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Summary for Post-Tropical Cyclone Andres (EP1/EP012021)
2021-05-11 16:36:10| National Hurricane Center (East Pacific)
...ANDRES BECOMES A REMNANT LOW... ...THIS IS THE LAST NHC ADVISORY ON ANDRES... As of 9:00 AM MDT Tue May 11 the center of Andres was located near 15.8, -111.4 with movement W at 6 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 30 mph.
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Post-Tropical Cyclone Andres Public Advisory Number 10
2021-05-11 16:36:10| National Hurricane Center (East Pacific)
Issued at 900 AM MDT Tue May 11 2021 000 WTPZ31 KNHC 111436 TCPEP1 BULLETIN Post-Tropical Cyclone Andres Advisory Number 10 NWS National Hurricane Center Miami FL EP012021 900 AM MDT Tue May 11 2021 ...ANDRES BECOMES A REMNANT LOW... ...THIS IS THE LAST NHC ADVISORY ON ANDRES... SUMMARY OF 900 AM MDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...15.8N 111.4W ABOUT 500 MI...805 KM SSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...W OR 265 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 900 AM MDT (1500 UTC), the center of Post-Tropical Cyclone Andres was located near latitude 15.8 North, longitude 111.4 West. The post-tropical cyclone is moving toward the west near 6 mph (9 km/h), and this general motion is expected to continue for the next day or so. Maximum sustained winds are near 30 mph (45 km/h) with higher gusts. Additional weakening is expected, and the remnant low is forecast to dissipate on Wednesday night. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on Andres. For additional information on the remnant low please see High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php $$ Forecaster Reinhart/Brown
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Post-Tropical Cyclone Andres Forecast Advisory Number 10
2021-05-11 16:35:09| National Hurricane Center (East Pacific)
Issued at 1500 UTC TUE MAY 11 2021 000 WTPZ21 KNHC 111435 TCMEP1 POST-TROPICAL CYCLONE ANDRES FORECAST/ADVISORY NUMBER 10 NWS NATIONAL HURRICANE CENTER MIAMI FL EP012021 1500 UTC TUE MAY 11 2021 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. POST-TROPICAL CYCLONE CENTER LOCATED NEAR 15.8N 111.4W AT 11/1500Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 265 DEGREES AT 5 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 35 KT. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 15.8N 111.4W AT 11/1500Z AT 11/1200Z CENTER WAS LOCATED NEAR 15.9N 111.1W FORECAST VALID 12/0000Z 15.8N 112.3W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 12/1200Z 15.7N 113.5W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 13/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.8N 111.4W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON ANDRES. FOR ADDITIONAL INFORMATION ON THE REMNANT LOW PLEASE SEE HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFEPI AND WMO HEADER FZPN02 KWBC. $$ FORECASTER REINHART/BROWN
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Post-Tropical Cyclone Polo Graphics
2020-11-19 21:42:09| National Hurricane Center (East Pacific)
5-Day Uncertainty Track last updated Thu, 19 Nov 2020 20:42:09 GMT Wind Speed Probabilities last updated Thu, 19 Nov 2020 21:24:26 GMT
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Post-Tropical Cyclone Polo Forecast Discussion Number 9
2020-11-19 21:32:50| National Hurricane Center (East Pacific)
Issued at 100 PM PST Thu Nov 19 2020 000 WTPZ41 KNHC 192032 TCDEP1 Post-Tropical Cyclone Polo Discussion Number 9 NWS National Hurricane Center Miami FL EP212020 100 PM PST Thu Nov 19 2020 A few convective cells continue to pulse over 100 n mi northeast of Polo's center, but overall the cyclone has not produced persistent, organized deep convection since yesterday evening. Therefore, Polo is being designated as a remnant low. A recent ASCAT pass sampled the eastern part of Polo's circulation and showed winds around 25 kt, so it is assumed that 30-kt winds are still occurring closer to the center. Moderate westerly shear, marginally warm waters, and a dry environment should cause Polo's winds to gradually decrease, and the circulation is expected to open up into a trough by 36 hours, per the latest global model guidance. Polo is moving just south of due west (265/10 kt), steered by a low- to mid-level ridge to its north. This general motion is expected to continue until the low dissipates, and the NHC track forecast is down the middle of the tightly packed guidance envelope. For additional information on the remnant low please see High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php FORECAST POSITIONS AND MAX WINDS INIT 19/2100Z 16.9N 121.3W 30 KT 35 MPH...POST-TROP/REMNT LOW 12H 20/0600Z 16.9N 122.9W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 20/1800Z 16.8N 125.2W 25 KT 30 MPH...POST-TROP/REMNT LOW 36H 21/0600Z...DISSIPATED $$ Forecaster Berg
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