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Tropical Depression Omar Forecast Advisory Number 15
2020-09-04 10:34:27| National Hurricane Center (Atlantic)
Issued at 0900 UTC FRI SEP 04 2020 000 WTNT25 KNHC 040834 TCMAT5 TROPICAL DEPRESSION OMAR FORECAST/ADVISORY NUMBER 15 NWS NATIONAL HURRICANE CENTER MIAMI FL AL152020 0900 UTC FRI SEP 04 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 35.3N 58.5W AT 04/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE EAST OR 90 DEGREES AT 6 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1006 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 35.3N 58.5W AT 04/0900Z AT 04/0600Z CENTER WAS LOCATED NEAR 35.3N 58.8W FORECAST VALID 04/1800Z 35.6N 57.7W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 05/0600Z 36.5N 57.0W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 05/1800Z 38.1N 56.1W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 06/0600Z 40.5N 54.4W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 06/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 35.3N 58.5W NEXT ADVISORY AT 04/1500Z $$ FORECASTER PASCH
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Remnants of Nana Forecast Discussion Number 12
2020-09-04 04:40:24| National Hurricane Center (Atlantic)
Issued at 1000 PM CDT Thu Sep 03 2020 000 WTNT41 KNHC 040240 TCDAT1 Remnants Of Nana Discussion Number 12 NWS National Hurricane Center Miami FL AL162020 1000 PM CDT Thu Sep 03 2020 Satellite and surface data indicate that Nana's low-level circulation has dissipated over the mountainous terrain of southwestern Guatemala. Therefore, this will be the final NHC advisory on this system. The mid-level remnants are expected to emerge over the eastern Pacific waters near the Gulf of Tehuantepec later tonight or early Friday. The global models indicate that strong upper-level northeasterly flow will prevent re-development over the next couple of days. However, this system could produce locally heavy rainfall along portions of the southeastern and southern coasts of Mexico over the weekend. Additional information on the remnants on Nana can be found in the eastern Pacific basin Tropical Weather Outlook. This product can be found under AWIPS header MIATWOEP, WMO header ABPZ20 KNHC, and on the web at www.nhc.noaa.gov/text/refresh/MIATWOEP+shtml/ FORECAST POSITIONS AND MAX WINDS INIT 04/0300Z 15.6N 92.0W 25 KT 30 MPH 12H 04/1200Z...DISSIPATED $$ Forecaster Brown
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nana
Remnants of Nana Forecast Advisory Number 12
2020-09-04 04:37:32| National Hurricane Center (Atlantic)
Issued at 0300 UTC FRI SEP 04 2020 000 WTNT21 KNHC 040237 TCMAT1 REMNANTS OF NANA FORECAST/ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162020 0300 UTC FRI SEP 04 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. REMNANTS OF CENTER LOCATED NEAR 15.6N 92.0W AT 04/0300Z POSITION ACCURATE WITHIN 40 NM PRESENT MOVEMENT TOWARD THE WEST-SOUTHWEST OR 250 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1007 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 15.6N 92.0W AT 04/0300Z AT 04/0000Z CENTER WAS LOCATED NEAR 15.8N 91.4W FORECAST VALID 04/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.6N 92.0W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM. ADDITIONAL INFORMATION ON THE REMNANTS ON NANA CAN BE FOUND IN THE EASTERN PACIFIC BASIN TROPICAL WEATHER OUTLOOK. THIS PRODUCT CAN BE FOUND UNDER AWIPS HEADER MIATWOEP, WMO HEADER ABPZ20 KNHC, AND ON THE WEB AT WWW.NHC.NOAA.GOV/TEXT/REFRESH/MIATWOEP+SHTML/ $$ FORECASTER BROWN
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Tropical Depression Omar Forecast Discussion Number 14
2020-09-04 04:32:54| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Thu Sep 03 2020 000 WTNT45 KNHC 040232 TCDAT5 Tropical Depression Omar Discussion Number 14 NWS National Hurricane Center Miami FL AL152020 1100 PM AST Thu Sep 03 2020 The larger mass of deep convection from earlier today that was south of the exposed low-level center of Omar has since dissipated. The only convection that remains is a few small patches in the eastern semicircle. The initial intensity is being lowered to 25 kt, and is based off a recent ASCAT overpass showing peak 26 kt wind vectors. If the current state of the tropical depression persists through much of tonight, then by definition the system would no longer qualify as a tropical cyclone. The only chance for Omar to hang on despite very strong northerly wind shear is the fact that it is still over SSTs of about 27 C. After 24 h, dry air is expected to envelop the system. Therefore, over this weekend whatever remains of Omar is expected to dissipate ahead of an approaching mid-latitude frontal system. The official NHC forecast shows Omar degenerating into a remnant low by Friday morning and dissipating by Sunday morning, and this scenario is in agreement with the global models. The depression continues to move east-southeast at 9 kt in steering flow around a subtropical ridge to its south, and another, larger low pressure system to its northeast. The other low is forecast to continue to lift northeastward, which should result in an end to the southerly component of Omar's motion tonight or early Friday. By Friday night, a turn to the northeast is expected to occur as Omar gets caught in southwesterly flow ahead of the approaching frontal system. The latest NHC track forecast is little changed from the previous one, and lies near the various consensus aids. FORECAST POSITIONS AND MAX WINDS INIT 04/0300Z 35.2N 59.1W 25 KT 30 MPH 12H 04/1200Z 35.2N 58.0W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 05/0000Z 35.6N 57.2W 25 KT 30 MPH...POST-TROP/REMNT LOW 36H 05/1200Z 36.8N 56.5W 25 KT 30 MPH...POST-TROP/REMNT LOW 48H 06/0000Z 38.3N 55.6W 25 KT 30 MPH...POST-TROP/REMNT LOW 60H 06/1200Z...DISSIPATED $$ Forecaster Latto
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Tropical Depression Omar Forecast Advisory Number 14
2020-09-04 04:31:56| National Hurricane Center (Atlantic)
Issued at 0300 UTC FRI SEP 04 2020 000 WTNT25 KNHC 040231 TCMAT5 TROPICAL DEPRESSION OMAR FORECAST/ADVISORY NUMBER 14 NWS NATIONAL HURRICANE CENTER MIAMI FL AL152020 0300 UTC FRI SEP 04 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 35.2N 59.1W AT 04/0300Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE EAST-SOUTHEAST OR 105 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 40 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 35.2N 59.1W AT 04/0300Z AT 04/0000Z CENTER WAS LOCATED NEAR 35.3N 59.5W FORECAST VALID 04/1200Z 35.2N 58.0W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 05/0000Z 35.6N 57.2W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 05/1200Z 36.8N 56.5W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 06/0000Z 38.3N 55.6W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 06/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 35.2N 59.1W NEXT ADVISORY AT 04/0900Z $$ FORECASTER LATTO
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