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Post-Tropical Cyclone Alvin Wind Speed Probabilities Number 12
2025-05-31 16:36:55| National Hurricane Center (East Pacific)
Issued at 1500 UTC SAT MAY 31 2025 000 FOPZ11 KNHC 311436 PWSEP1 POST-TROPICAL CYCLONE ALVIN WIND SPEED PROBABILITIES NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL EP012025 1500 UTC SAT MAY 31 2025 AT 1500Z THE CENTER OF POST-TROPICAL CYCLONE ALVIN WAS LOCATED NEAR LATITUDE 20.7 NORTH...LONGITUDE 109.5 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 30 KTS...35 MPH...55 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) PACIFIC DAYLIGHT TIME (PDT)...SUBTRACT 7 HOURS FROM Z TIME HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 12Z SAT AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 12Z SAT 00Z SUN 12Z SUN 00Z MON 12Z MON 12Z TUE 12Z WED PERIODS TO TO TO TO TO TO TO 00Z SUN 12Z SUN 00Z MON 12Z MON 12Z TUE 12Z WED 12Z THU FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER BROWN [ more ]
Category:Transportation and Logistics
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Post-Tropical Cyclone Alvin Forecast Advisory Number 12
2025-05-31 16:36:25| National Hurricane Center (East Pacific)
Issued at 1500 UTC SAT MAY 31 2025 000 WTPZ21 KNHC 311436 TCMEP1 POST-TROPICAL CYCLONE ALVIN FORECAST/ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL EP012025 1500 UTC SAT MAY 31 2025 POST-TROPICAL CYCLONE CENTER LOCATED NEAR 20.7N 109.5W AT 31/1500Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 4 M SEAS.... 60NE 45SE 45SW 45NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 20.7N 109.5W AT 31/1500Z AT 31/1200Z CENTER WAS LOCATED NEAR 20.4N 109.5W FORECAST VALID 01/0000Z 21.8N 109.7W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 01/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.7N 109.5W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON ALVIN. FOR ADDITIONAL INFORMATION ON THE REMNANT LOW PLEASE SEE HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFEPI AND WMO HEADER FZPN02 KWBC. $$ FORECASTER BROWN [ more ]
Category: Transportation and Logistics
Eastern North Pacific Tropical Weather Outlook
2025-05-31 13:34:07| National Hurricane Center (East Pacific)
533 ABPZ20 KNHC 311132TWOEP Tropical Weather OutlookNWS National Hurricane Center Miami FL500 AM PDT Sat May 31 2025For the eastern North Pacific...east of 140 degrees west longitude:Active Systems:The National Hurricane Center is issuing advisories on Tropical Storm Alvin, located a couple of hundred miles south of the southern tip of the Baja California peninsula.Offshore of Central America and Southern Mexico:An area of low pressure is likely to form by the middle part of next week offshore of the coasts of Central America and southern Mexico. Environmental conditions appear favorable for some development of this system thereafter, and a tropical depression could form late next week while it moves generally westward to west-northwestward at around 5 to 10 mph.* Formation chance through 48 hours...low...near 0 percent.* Formation chance through 7 days...medium...40 percent.$$Forecaster Hagen [ more ]
Category: Transportation and Logistics