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Post-Tropical Cyclone HILARY Forecast Discussion Number 39
2017-07-31 04:34:08| National Hurricane Center (East Pacific)
Issued at 800 PM PDT Sun Jul 30 2017 000 WTPZ44 KNHC 310234 TCDEP4 Post-Tropical Cyclone Hilary Discussion Number 39 NWS National Hurricane Center Miami FL EP092017 800 PM PDT Sun Jul 30 2017 Hilary has been without deep convection for over 15 hours now, and there is little chance of any convection redeveloping since the cyclone is now over very cold waters. Thus, Hilary is no longer a tropical cyclone, and this is the last advisory. The initial wind speed is set to 30 kt, assuming some spin-down of the winds since the ASCAT pass nine hours ago. The remnant low should gradually weaken due to the cold waters and dry air mass. The remnants are forecast to turn westward and slow down in a day or so with most models dissipating the circulation in a couple of days. FORECAST POSITIONS AND MAX WINDS INIT 31/0300Z 25.6N 128.5W 30 KT 35 MPH...POST-TROP/REMNT LOW 12H 31/1200Z 26.4N 130.3W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 01/0000Z 27.3N 132.3W 20 KT 25 MPH...POST-TROP/REMNT LOW 36H 01/1200Z 27.5N 133.6W 15 KT 15 MPH...POST-TROP/REMNT LOW 48H 02/0000Z...DISSIPATED $$ Forecaster Blake
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Post-Tropical Cyclone HILARY Wind Speed Probabilities Number 39
2017-07-31 04:33:09| National Hurricane Center (East Pacific)
Issued at 0300 UTC MON JUL 31 2017 000 FOPZ14 KNHC 310233 PWSEP4 POST-TROPICAL CYCLONE HILARY WIND SPEED PROBABILITIES NUMBER 39 NWS NATIONAL HURRICANE CENTER MIAMI FL EP092017 0300 UTC MON JUL 31 2017 AT 0300Z THE CENTER OF POST-TROPICAL CYCLONE HILARY WAS LOCATED NEAR LATITUDE 25.6 NORTH...LONGITUDE 128.5 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 30 KTS...35 MPH...55 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) PACIFIC DAYLIGHT TIME (PDT)...SUBTRACT 7 HOURS FROM Z TIME HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 00Z MON AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 00Z MON 12Z MON 00Z TUE 12Z TUE 00Z WED 00Z THU 00Z FRI PERIODS TO TO TO TO TO TO TO 12Z MON 00Z TUE 12Z TUE 00Z WED 00Z THU 00Z FRI 00Z SAT FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER BLAKE
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hilary
Post-Tropical Cyclone HILARY Forecast Advisory Number 39
2017-07-31 04:32:41| National Hurricane Center (East Pacific)
Issued at 0300 UTC MON JUL 31 2017 000 WTPZ24 KNHC 310232 TCMEP4 POST-TROPICAL CYCLONE HILARY FORECAST/ADVISORY NUMBER 39 NWS NATIONAL HURRICANE CENTER MIAMI FL EP092017 0300 UTC MON JUL 31 2017 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. POST-TROPICAL CYCLONE CENTER LOCATED NEAR 25.6N 128.5W AT 31/0300Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 12 FT SEAS.. 60NE 0SE 0SW 60NW. 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 25.6N 128.5W AT 31/0300Z AT 31/0000Z CENTER WAS LOCATED NEAR 25.3N 127.9W FORECAST VALID 31/1200Z 26.4N 130.3W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 01/0000Z 27.3N 132.3W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 01/1200Z 27.5N 133.6W...POST-TROP/REMNT LOW MAX WIND 15 KT...GUSTS 20 KT. FORECAST VALID 02/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.6N 128.5W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM. 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 BLAKE
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Summary for Post-Tropical Cyclone HILARY (EP4/EP092017)
2017-07-31 04:32:40| National Hurricane Center (East Pacific)
...HILARY DEGENERATES INTO A REMNANT LOW, THIS IS THE LAST ADVISORY... As of 8:00 PM PDT Sun Jul 30 the center of HILARY was located near 25.6, -128.5 with movement WNW at 14 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.
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Post-Tropical Cyclone HILARY Public Advisory Number 39
2017-07-31 04:32:40| National Hurricane Center (East Pacific)
Issued at 800 PM PDT Sun Jul 30 2017 000 WTPZ34 KNHC 310232 TCPEP4 BULLETIN Post-Tropical Cyclone Hilary Advisory Number 39 NWS National Hurricane Center Miami FL EP092017 800 PM PDT Sun Jul 30 2017 ...HILARY DEGENERATES INTO A REMNANT LOW, THIS IS THE LAST ADVISORY... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...25.6N 128.5W ABOUT 1185 MI...1905 KM WNW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 800 PM PDT (0300 UTC), the center of Post-Tropical Cyclone Hilary was located near latitude 25.6 North, longitude 128.5 West. The post-tropical cyclone is moving toward the west-northwest near 14 mph (22 km/h), and this general motion is expected to continue for the next day or so with some decrease in forward speed. Maximum sustained winds have dropped to near 35 mph (55 km/h) with higher gusts. The remnant low should gradually spin down over the next day or so. 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 this system. 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 http://www.opc.ncep.noaa.gov/shtml/NFDHSFEPI.shtml. $$ Forecaster Blake
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