Tropical Storm Rose

Post Tropixal Storm Rose Track 0900 Hours September 23 2021
Post Tropixal Storm Rose Track 0900 Hours September 23 2021

Tropical Storm Rose Wind Speed FieldTropical Storm Rose – NWS National Hurricane Center Miami FL 900 AM GMT Thu Sep 23, 2021 (see Thursday video below)

Rose has withered away. The cyclone has not produced organized deep convection for nearly 24 hours now, and therefore, the system no longer meets the definition of a tropical cyclone. The initial intensity of the remnant low is held at 30 kt based on the earlier ASCAT data.

Rose is moving northwestward at 9 kt. A turn to the north is expected by tonight, followed by a northeast to east motion as the shallow system moves in the low-level flow ahead of a deep-layer trough. The remnant low is expected to persist for a couple of days and could produce intermittent bursts of deep convection. However, west-northwesterly shear of 25-30 kt and dry mid-level air should prevent the convection from organizing.

FORECAST POSITIONS AND MAX WINDS

INIT  23/0900Z 25.2N  41.6W   30 KT  35 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 12H  23/1800Z 26.4N  42.3W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 24H  24/0600Z 27.8N  42.1W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 36H  24/1800Z 28.7N  40.6W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 48H  25/0600Z 29.2N  38.0W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 60H  25/1800Z...DISSIPATED

NWS National Hurricane Center Miami FL 1100 PM AST Wed Sep 22, 2021

Rose continues to be devoid of deep convection as shear and dry mid-level air has taken their toll on the system. Although Rose appears to be well on its way to post-tropical cyclone status, it seems prudent to maintain advisories a little longer since the system is over warm waters and some convection could return overnight. If that does not occur, Rose is likely to become a remnant low by tomorrow morning, and that is what is indicated in the official forecast. The remnant low is forecast to continue to gradually spin down over the next day or two. The GFS and ECMWF suggest that some convection could re-develop in the 48-96 h time period when the remnants of Rose interact with an upper-level trough, but the NHC forecast once again does not call for re-generation at that time. In fact, the latest forecast calls for the system to become an open trough by 96 h, which is supported by the GFS.

Rose has continued to move west-northwestward or 285/9 kt. The cyclone should turn northwestward very soon as it moves around the western flank of a low- to mid-level ridge. Rose or its remnants should then turn northward, northeastward, and then eventually east-northeastward as a deep-layer trough digs southward over the east-central Atlantic. The latest guidance envelope has again shifted westward in the short term, and the updated NHC track forecast has been adjusted accordingly. After 36 h, the official forecast lies near the previous advisory and is close to the various consensus aids.

FORECAST POSITIONS AND MAX WINDS

INIT  23/0300Z 24.6N  40.9W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 12H  23/1200Z 25.7N  41.9W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 24H  24/0000Z 27.2N  42.4W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 36H  24/1200Z 28.4N  41.4W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 48H  25/0000Z 29.0N  39.0W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 60H  25/1200Z 29.5N  36.0W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 72H  26/0000Z 30.2N  33.5W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 96H  27/0000Z...DISSIPATED

NWS National Hurricane Center Miami FL 500 PM AST Wed Sep 22, 2021

Rose is currently comprised of a swirl of low-level clouds, with the only significant convection occurring about 120 n mi southeast of the center. Satellite intensity estimates have decreased, and are now 25 kt from TAFB and too weak to classify from SAB. Based mainly on earlier scatterometer data, the initial intensity is held at a possibly generous 30 kt. Rose remain in an area of northwesterly shear and upper-level convergence, and dry mid-level air has been entraining into the circulation. The large-scale model guidance indicates that the hostile conditions will continue for at least another 36 h, and based on model forecasts of convection Rose is now expected to degenerate into a remnant low pressure area in 24 h or less. It should be noted that the GFS and HWRF models suggest the possibility that convection could re-develop in the 48-96 h period due to the remnant low interacting with an upper-level trough. For now, the intensity forecast will not call for re-generation at that time.

The initial motion is now west-northwestward or 300/9 kt. A northwestward motion is expected for the next 12-24 hours as Rose or its remnants are steered by a mid-level ridge over the eastern Atlantic. After that time, the system is expected to turn northward, northeastward, and eventually east-northeastward as it becomes steered by a deep-layer trough that includes the remnants of Odette. Since Rose has moved a bit to the west of the previous forecast, the guidance and the new forecast track have also shifted westward during the first 36 h. The new NHC track is to the east of the consensus models for the first 36 h, and close to the consensus aids after that time.

FORECAST POSITIONS AND MAX WINDS

INIT  22/2100Z 24.2N  40.2W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 12H  23/0600Z 25.2N  41.3W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 24H  23/1800Z 26.7N  41.7W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 36H  24/0600Z 28.0N  41.4W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 48H  24/1800Z 29.0N  39.3W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 60H  25/0600Z 29.5N  36.9W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 72H  25/1800Z 30.1N  34.1W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 96H  26/1800Z 31.9N  30.4W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
120H  27/1800Z...DISSIPATED

NWS National Hurricane Center Miami FL 1100 AM AST Wed Sep 22, 2021 

Rose is currently comprised of a swirl of low-level clouds with no significant convection, with an earlier burst dissipating during the last few hours. Recently received scatterometer data show 25-30 kt winds in the northeastern quadrant, so the initial intensity is held at 30 kt. The cyclone remains in an environment of northwesterly shear and upper-level convergence, and dry mid-level air has been entraining into the circulation. Since the shear is expected to increase during the next 2-3 days, the cyclone is expected to gradually weaken during this time. However, confidence in the timing of when the system will stop producing organized convection is still low. The new intensity forecast calls for Rose to degenerate into a remnant low between 60-72 h, but it is possible this could happen earlier.

The initial motion is now 305/8 kt. The depression is expected to turn northward in 24-36 hours as it moves on the west side of a low- to mid-level ridge over the eastern Atlantic. By 48-60 h, a turn to the northeast is expected as Rose gets caught in the flow on the southeast side of a deep-layer trough over the north Atlantic. Based on the initial position and motion, the first 36 h of the forecast track are shifted a little to the west of the previous track. After that time, the new forecast track is similar to the previous track.

FORECAST POSITIONS AND MAX WINDS

INIT  22/1500Z 23.6N  39.2W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 12H  23/0000Z 24.6N  40.1W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 24H  23/1200Z 26.1N  41.1W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 36H  24/0000Z 27.6N  41.1W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 48H  24/1200Z 28.8N  39.9W   25 KT  30 MPH - Depression (WSW Mosteiros,Cape Verde)
 60H  25/0000Z 29.4N  37.8W   25 KT  30 MPH - Depression (WSW Mosteiros,Cape Verde)
 72H  25/1200Z 29.9N  34.9W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 96H  26/1200Z 31.5N  30.5W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
120H  27/1200Z...DISSIPATED

NWS National Hurricane Center Miami FL 1100 PM AST Tue Sep 21, 2021 

Strong northwesterly shear has continued to take a toll on Rose this evening with the remaining deep convection becoming further separated from the low-level center. Unfortunately Rose fell within the gaps of the ASCAT satellite instruments this evening, so there has been no recent scatterometer data. Dvorak T-numbers from TAFB and SAB have continued to decline, and these subjective estimates support lowering Rose’s initial intensity to 30 kt. The environment ahead of the cyclone is expected to remain quite hostile with moderate westerly to northwesterly shear and a dry mid-level atmosphere. Simulated satellite imagery from the global models suggest Rose will continue to produce bursts of convection over the eastern portion of its circulation during the next few days which could allow it remain a tropical cyclone during that time. Alternatively, the shear and dry air could cause the system to degenerate into a remnant low much sooner. The latest NHC intensity forecast is similar to the previous advisory and calls for little overall change in strength during the next couple of days, followed by degeneration into a remnant low by day 3.

Rose continues to decelerate, now moving northwestward at about 9 kt. The depression should remain on a slow northwestward heading around the western portion of a subtropical ridge during the next 24 to 36 hours. After that time, the cyclone is forecast to turn northward, and then recurve northeastward ahead of a mid- to upper-level trough over the central Atlantic. The dynamical guidance envelope remained fairly steady this cycle and no significant change was made to the previous official forecast.

FORECAST POSITIONS AND MAX WINDS

INIT  22/0300Z 22.9N  37.9W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 12H  22/1200Z 23.9N  38.9W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 24H  23/0000Z 25.0N  40.1W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 36H  23/1200Z 26.3N  41.0W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 48H  24/0000Z 27.6N  41.2W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 60H  24/1200Z 28.9N  40.0W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 72H  25/0000Z 29.7N  37.8W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 96H  26/0000Z 31.3N  32.7W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
120H  27/0000Z...DISSIPATED

NWS National Hurricane Center Miami FL 1100 AM AST Tue Sep 21, 2021 

The center of Rose remains exposed this morning on satellite imagery, located about a degree west of a small area of deep convection, with a smaller low-level swirl rotating around the larger mean circulation. A pair of recent scatterometer passes indicated winds of only 30-35 kt, so the initial intensity is reduced to 35 kt on this advisory.

The storm’s environment is no bed of roses during the next several days, with persistent moderate westerly or northwesterly shear, plentiful dry air aloft and only marginally warm waters. Almost all of the guidance shows Rose decaying into a tropical depression this evening, and the new forecast is decreased from the previous one, especially in the near term. A continuation of this hostile environment should cause further weakening, and Rose is expected to be pushing up daisies in 3 days or less, degenerating into a weak remnant low and dissipating by the end of the forecast.

Rose is moving more slowly to the northwest this morning at about 12 kt. The storm should gradually turn northward during the next couple of days around the southwestern side of a subtropical ridge. Thereafter, a mid-latitude trough is anticipated to steer Rose faster to the northeast or east-northeast by the weekend, which should cause the weak tropical cyclone to open up into a trough towards the end of the forecast. While there are some speed differences among the models, the latest guidance suite is similar to the last forecast, so no significant changes were made to the NHC track prediction.

FORECAST POSITIONS AND MAX WINDS

INIT  21/1500Z 21.6N  36.9W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 12H  22/0000Z 22.8N  37.7W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 24H  22/1200Z 24.1N  38.8W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 36H  23/0000Z 25.4N  39.8W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 48H  23/1200Z 26.9N  40.6W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 60H  24/0000Z 28.3N  40.6W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 72H  24/1200Z 29.4N  39.3W   30 KT  35 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
 96H  25/1200Z 31.5N  34.0W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)
120H  26/1200Z...DISSIPATED

NWS National Hurricane Center Miami FL 500 PM AST Mon Sep 20, 2021 

Satellite images show that Rose hasn’t changed much during the past several hours, with the center on the northern side of the cloud shield. The last microwave pass from a few hours ago showed that the mid- and low-level centers of the cyclone remained 60-90 n mi apart, which is probably a sign that it isn’t strengthening. The initial wind speed remains 35 kt based on continuity, and hopefully scatterometer data will be available for the next advisory due to the recent high bias of the conventional satellite estimates.

The window for strengthening of the tropical cyclone is closing soon due to increasing shear and likely intrusions of dry mid-level air. These factors should cause the storm to start a weakening trend sometime tomorrow. The long-term future of Rose doesn’t look golden either due to further increasing shear from an incoming upper- level trough. The new forecast is just a shade lower than the previous one, near the model consensus, with Rose likely sinking to a depression in a few days and degenerating to a remnant low by day 5.

The initial motion remains northwestward at about 14 kt. Rose is is likely to continue moving in that general direction during the next couple of days around the southwestern and western periphery of a strong subtropical ridge. Beyond that time, guidance is coming into good agreement on a mid- to upper-level trough over the north-central Atlantic causing the cyclone to recurve to the north, northeast and even east-northeastward by the weekend. While the models don’t agree on how sharp of a turn will occur, they are at least consistent that this trough will take the storm into a hostile environment and decay. The new forecast is again adjusted well to northeast at long range, and still might not be far enough to the east.

FORECAST POSITIONS AND MAX WINDS

INIT  20/2100Z 18.4N  34.4W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 12H  21/0600Z 20.0N  35.6W   40 KT  45 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 24H  21/1800Z 21.8N  36.7W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 36H  22/0600Z 23.3N  37.8W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 48H  22/1800Z 24.5N  38.9W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 60H  23/0600Z 26.0N  39.9W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 72H  23/1800Z 27.3N  40.2W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 96H  24/1800Z 29.2N  38.8W   25 KT  30 MPH - Depression (WSW Mosteiros,Cape Verde)
120H  25/1800Z 31.5N  34.5W   25 KT  30 MPH - Post Tropical (WSW Mosteiros,Cape Verde)

NWS National Hurricane Center Miami FL 1100 AM AST Mon Sep 20, 2021

While a cursory look at visible satellite images would suggest Rose is intensifying, other data show that it remains a sheared storm. The low- and mid-level centers remain roughly 90 n mi apart according to SSMIS microwave, and a 1038Z ASCAT-A scatterometer pass showed no significant change in intensity overnight. The current wind speed is kept at 35 kt, with a much heavier weight on the 30-kt scatterometer pass than Dvorak estimates near 55 kt. This is a good example of the value of the scatterometer which can tell the forecaster much more about the surface winds that conventional satellite estimates can miss (even if the data is possibly too low with all the thunderstorm activity).

There are a lot of thorns in the way of Rose blossoming into a stronger storm. Increasing shear and drier mid-level air are on the way for tonight, competing against the somewhat warm SSTs. Thus Rose has about a day to flower into a moderate tropical storm, and no significant change was made to the short term forecast. At longer range, stronger shear and dry air should pull the petals off Rose one-by-one, causing the cyclone to slowly weaken. The new forecast is similar to the previous one, with some small 5-kt downward adjustments. Rose could even shrivel up into a remnant low by day 5, but that’s not shown yet in the forecast.

he initial motion remains northwestward at about 14 kt. Rose is still expected to move generally northwestward around the southwestern and western periphery of a strong subtropical ridge during the next few days. Around day 3, however, a mid- to upper-level trough over the north-central Atlantic is forecast to dig southeastward, causing the cyclone to turn northward and eventually northeastward by the weekend. Guidance is in much better agreement on this scenario than the last cycle (though there are still some westward model solutions), and the new NHC track forecast is shifted northeastward at long range.

FORECAST POSITIONS AND MAX WINDS

INIT  20/1500Z 17.3N  33.4W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 12H  21/0000Z 19.0N  34.8W   40 KT  45 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 24H  21/1200Z 21.0N  36.1W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 36H  22/0000Z 22.6N  37.1W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 48H  22/1200Z 24.1N  38.1W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 60H  23/0000Z 25.4N  39.1W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 72H  23/1200Z 26.7N  40.0W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 96H  24/1200Z 29.0N  40.0W   25 KT  30 MPH - Depression (WSW Mosteiros,Cape Verde)
120H  25/1200Z 31.0N  38.0W   25 KT  30 MPH - Depression (WSW Mosteiros,Cape Verde)

NWS National Hurricane Center Miami FL 800 PM CVT Sun Sep 19, 2021

Satellite images show that deep convection has increased in coverage near the low-level center during the last 6 hours, while the overall structure of the tropical cyclone has also improved. Based on the improved organization and consensus T-2.5 numbers from TAFB and SAB, the initial intensity is set to 35 kt, making Rose the seventeenth named storm of the busy 2021 Atlantic hurricane season. Only 2005 and 2020 have had the seventeenth named storm on an earlier date.

The 12-hour motion is north-northwest, or 330/14. However, Rose appears to be moving more in a northwest direction during the past few hours. This is probably the start of a northwest motion that should continue through day 4 as the system moves along the southwestern and western periphery of a subtropical ridge that extends from Africa across the Cabo Verde Islands. A turn to the north is predicted in about 5 days, as Rose comes under the influence of a strong mid-level trough approaching from the northwest. No significant changes were made to the previous track forecast.

Environmental conditions are conducive for strengthening during the next day or so, with low wind shear, SSTs near 27C, and sufficient mid-level atmospheric moisture. Therefore, a little more strengthening is shown compared to the previous NHC forecast. The new NHC forecast is in agreement with the various consensus aids, but slightly below the SHIPS model, in deference to the global models which show a weaker cyclone. Westerly wind shear will likely increase in about 36 hours as a strong upper-level trough approaches from the northwest. Given that the cyclone is forecast to remain rather small, it will likely be vulnerable to the higher shear so weakening is forecast in the 36-72 h time period. Beyond day 3, a further increase in wind shear is expected to cause Rose to weaken to a tropical depression. Although not explicitly forecast, it is possible that the cyclone could become a remnant low in 4-5 days if the shear is too much for the system to handle.

FORECAST POSITIONS AND MAX WINDS

INIT  19/2100Z 14.3N  29.9W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 12H  20/0600Z 15.9N  31.4W   40 KT  45 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 24H  20/1800Z 17.9N  33.3W   45 KT  50 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 36H  21/0600Z 20.0N  34.8W   45 KT  50 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 48H  21/1800Z 22.0N  36.0W   40 KT  45 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 60H  22/0600Z 23.5N  37.0W   40 KT  45 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 72H  22/1800Z 24.7N  38.0W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 96H  23/1800Z 26.7N  40.6W   30 KT  35 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
120H  24/1800Z 28.7N  41.2W   30 KT  35 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)

NWS National Hurricane Center Miami FL 800 AM CVT Sun Sep 19, 2021

The small low-pressure system that the NHC has been tracking the past few days has acquired a well-defined circulation and enough organized deep convection to be classified as a tropical depression. The initial intensity of 30 kt is based on 0000 UTC ASCAT wind data of about 30 kt. This intensity is also supported by consensus Dvorak satellite classifications of T2.0/30 kt from TAFB and SAB.

The initial motion estimate is north-northwestward or 330/12 kt. The small cyclone is forecast to move in a general northwestward direction throughout the remainder of the forecast period as the system moves along the southwestern and western periphery of a subtropical ridge that extends westward from Africa across the Cabo Verde Islands. The NHC forecast track lies down the middle of the tightly packed track models.

Only modest strengthening is expected during the next 48 hour so while the small cyclone remains over 27-28 deg C sea-surface temperatures and the vertical wind shear decreases to near 5 kt during that time. However, proximity to dry air is expected prevent any significant strengthening from occurring. By late Tuesday, a slow weakening trend is forecast to begin as the system moves over cooler water and the shear increases from the southwest. The NHC intensity forecast closely follows a blend of the IVCN and HCCA intensity consensus models through 72 hours, and then is lower than the HCCA model on days 4 and 5.

FORECAST POSITIONS AND MAX WINDS

INIT  19/0900Z 11.8N  28.2W   30 KT  35 MPH - Depression  (WSW Mosteiros,Cape Verde)
 12H  19/1800Z 13.4N  29.2W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 24H  20/0600Z 15.5N  31.2W   40 KT  45 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 36H  20/1800Z 17.6N  33.2W   40 KT  45 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 48H  21/0600Z 19.7N  34.7W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 60H  21/1800Z 21.7N  36.1W   35 KT  40 MPH - Tropical Storm (WSW Mosteiros,Cape Verde)
 72H  22/0600Z 23.2N  37.2W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
 96H  23/0600Z 25.6N  39.6W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)
120H  24/0600Z 28.1N  41.5W   30 KT  35 MPH - Depression (WSW Mosteiros,Cape Verde)

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