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Summary for Tropical Depression Rene (AT3/AL182020)
2020-09-13 04:33:58| National Hurricane Center (Atlantic)
...RENE WEAKENS AND IS NOW FORECAST TO BECOME A REMNANT LOW ON MONDAY... As of 11:00 PM AST Sat Sep 12 the center of Rene was located near 25.3, -46.4 with movement NW at 13 mph. The minimum central pressure was 1011 mb with maximum sustained winds of about 30 mph.
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Tropical Depression Rene Public Advisory Number 24
2020-09-13 04:33:58| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Sat Sep 12 2020 000 WTNT33 KNHC 130233 TCPAT3 BULLETIN Tropical Depression Rene Advisory Number 24 NWS National Hurricane Center Miami FL AL182020 1100 PM AST Sat Sep 12 2020 ...RENE WEAKENS AND IS NOW FORECAST TO BECOME A REMNANT LOW ON MONDAY... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...25.3N 46.4W ABOUT 1175 MI...1895 KM ENE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1011 MB...29.86 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Tropical Depression Rene was located near latitude 25.3 North, longitude 46.4 West. The depression is moving toward the northwest near 13 mph (20 km/h). A slower northwestward motion is expected on Sunday, and a slow westward motion is forecast by Sunday night. On Monday and Tuesday, the system is forecast to move west-southwestward. Maximum sustained winds have decreased near 30 mph (45 km/h) with higher gusts. Rene should slowly weaken over the next few days and is forecast to become a remnant low on Monday. The estimated minimum central pressure is 1011 mb (29.86 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Blake
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Tropical Depression Rene Forecast Advisory Number 24
2020-09-13 04:33:28| National Hurricane Center (Atlantic)
Issued at 0300 UTC SUN SEP 13 2020 000 WTNT23 KNHC 130233 TCMAT3 TROPICAL DEPRESSION RENE FORECAST/ADVISORY NUMBER 24 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182020 0300 UTC SUN SEP 13 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 25.3N 46.4W AT 13/0300Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT 11 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1011 MB MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 35 KT. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 25.3N 46.4W AT 13/0300Z AT 13/0000Z CENTER WAS LOCATED NEAR 24.9N 46.1W FORECAST VALID 13/1200Z 26.4N 47.3W MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 14/0000Z 27.3N 48.1W MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 14/1200Z 27.4N 48.6W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 15/0000Z 27.2N 49.3W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 15/1200Z 26.5N 50.5W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 16/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.3N 46.4W NEXT ADVISORY AT 13/0900Z $$ FORECASTER BLAKE
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Tropical Depression Twenty Forecast Discussion Number 1
2020-09-12 23:03:24| National Hurricane Center (Atlantic)
Issued at 500 PM AST Sat Sep 12 2020 000 WTNT45 KNHC 122103 TCDAT5 Tropical Depression Twenty Discussion Number 1 NWS National Hurricane Center Miami FL AL202020 500 PM AST Sat Sep 12 2020 The tropical wave and associated area of low pressure that NHC has been tracking since it emerged off of Africa a couple of days ago has become sufficiently organized to be designated as a tropical depression. A curved band of deep convection developed early this morning and persisted just to the west of a well-defined low level circulation throughout the day. An earlier ASCAT overpass showed that 25-30 kt winds over the northwestern portion of the circulation, which is the basis for the initial intensity being set at 30 kt. The depression has a rather large circulation, with the radius of maximum winds nearly 100 n mi from the center and the overall wind field appearing to extend outward over 300 n mi. The environment surrounding the cyclone over the next 36 h is characterized by moderate northeasterly vertical wind shear and plenty of warm water and atmospheric moisture. These factors are supportive of gradual strengthening, however, due to the large size of the system, it may take some time for it to consolidate. The NHC intensity forecast shows only slight strengthening through 36 h as the system consolidates, and that portion of the forecast is well below the intensity guidance. By early next week, the wind shear is expected to decrease to under 10 kt and a faster rate of intensification is indicated from 36-96 h in anticipation of the cyclone having a better structure to take advantage of the lower shear. After 96 h the intensity is held steady as northwesterly shear is forecast to increase while the system encounters some slightly drier air and moves over lower oceanic heat content. The NHC intensity forecast beyond 36 h starts well below most of the guidance, and trends close to the IVCN/ICON later on in the forecast period. The depression is moving toward the west-northwest at 8 kt, steered by a mid-level ridge to its north. This ridge is forecast to build westward over the next few days, which should result in a continued general west-northwest motion, perhaps at a slightly faster forward speed early next week. By the middle of next week, a weakness is forecast to develop in the ridge, partially due to interaction of Paulette and a mid- to- upper level trough over the northern Atlantic at that time, and the cyclone should turn to the northwest into this weakness. Overall, track guidance from the global and regional models is in decent agreement on this scenario, and the NHC forecast is between the HFIP corrected consensus HCCA and the TVCN multimodel consensus. FORECAST POSITIONS AND MAX WINDS INIT 12/2100Z 11.4N 33.5W 30 KT 35 MPH 12H 13/0600Z 11.5N 34.5W 30 KT 35 MPH 24H 13/1800Z 12.1N 36.1W 35 KT 40 MPH 36H 14/0600Z 12.8N 38.3W 40 KT 45 MPH 48H 14/1800Z 13.3N 40.7W 50 KT 60 MPH 60H 15/0600Z 14.0N 42.8W 60 KT 70 MPH 72H 15/1800Z 15.0N 44.5W 70 KT 80 MPH 96H 16/1800Z 17.7N 47.3W 80 KT 90 MPH 120H 17/1800Z 21.0N 49.7W 80 KT 90 MPH $$ Forecaster Latto
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Tropical Depression Twenty Graphics
2020-09-12 22:43:25| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sat, 12 Sep 2020 20:43:25 GMT Wind Speed Probabilities last updated Sat, 12 Sep 2020 21:46:39 GMT
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