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Post-Tropical Cyclone RICK Forecast Discussion Number 18

2015-11-22 21:28:20| National Hurricane Center (East Pacific)

Issued at 100 PM PST SUN NOV 22 2015 000 WTPZ41 KNHC 222028 TCDEP1 POST-TROPICAL CYCLONE RICK DISCUSSION NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL EP212015 100 PM PST SUN NOV 22 2015 Rick has become a swirl of low clouds that has been devoid of organized deep convection for more than 12 hours. As a result, Rick is now a post-tropical remnant low, and this will be the last NHC advisory on this system. The initial intensity remains 30 kt, which is in agreement with the latest Dvorak current intensity estimate from TAFB. Dry air, strong southwesterly shear, and cooler sea surface temperatures along the forecast track of the low should cause weakening during the next couple of days, and dissipation is expected within 72 hours. The initial motion estimate is 310/7 kt. The low should turn northward during the next day or so, then become nearly stationary as the low-level steering flow weakens. After that time, the remnant low is forecast to turn eastward or southeastward before dissipation occurs. The new NHC track forecast is in good agreement with the latest global model guidance and is similar to the previous NHC advisory. FORECAST POSITIONS AND MAX WINDS INIT 22/2100Z 18.1N 119.1W 30 KT 35 MPH...POST-TROP/REMNT LOW 12H 23/0600Z 18.9N 119.9W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 23/1800Z 19.8N 120.4W 20 KT 25 MPH...POST-TROP/REMNT LOW 36H 24/0600Z 20.5N 120.7W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 24/1800Z 21.0N 120.7W 15 KT 15 MPH...POST-TROP/REMNT LOW 72H 25/1800Z...DISSIPATED $$ Forecaster Brown

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Post-Tropical Cyclone RICK Wind Speed Probabilities Number 18

2015-11-22 21:28:20| National Hurricane Center (East Pacific)

Issued at 2100 UTC SUN NOV 22 2015 000 FOPZ11 KNHC 222028 PWSEP1 POST-TROPICAL CYCLONE RICK WIND SPEED PROBABILITIES NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL EP212015 2100 UTC SUN NOV 22 2015 AT 2100Z THE CENTER OF POST-TROPICAL CYCLONE RICK WAS LOCATED NEAR LATITUDE 18.1 NORTH...LONGITUDE 119.1 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 30 KTS...35 MPH...55 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) PACIFIC STANDARD TIME (PST)...SUBTRACT 8 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 18Z SUN 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 64 KT ARE SHOWN WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 18Z SUN 06Z MON 18Z MON 06Z TUE 18Z TUE 18Z WED 18Z THU PERIODS TO TO TO TO TO TO TO 06Z MON 18Z MON 06Z TUE 18Z TUE 18Z WED 18Z THU 18Z FRI FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER BROWN

Tags: number speed wind rick

 
 

Post-Tropical Cyclone RICK Forecast Advisory Number 18

2015-11-22 21:27:44| National Hurricane Center (East Pacific)

Issued at 2100 UTC SUN NOV 22 2015 000 WTPZ21 KNHC 222027 TCMEP1 POST-TROPICAL CYCLONE RICK FORECAST/ADVISORY NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL EP212015 2100 UTC SUN NOV 22 2015 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. POST-TROPICAL CYCLONE CENTER LOCATED NEAR 18.1N 119.1W AT 22/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 7 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 12 FT SEAS.. 30NE 30SE 0SW 0NW. 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 18.1N 119.1W AT 22/2100Z AT 22/1800Z CENTER WAS LOCATED NEAR 17.8N 118.9W FORECAST VALID 23/0600Z 18.9N 119.9W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 23/1800Z 19.8N 120.4W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 24/0600Z 20.5N 120.7W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 24/1800Z 21.0N 120.7W...POST-TROP/REMNT LOW MAX WIND 15 KT...GUSTS 20 KT. FORECAST VALID 25/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.1N 119.1W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON RICK. 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 FZPN01 KWBC. $$ FORECASTER BROWN

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Post-Tropical Cyclone KATE Graphics

2015-11-12 10:07:54| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Thu, 12 Nov 2015 08:48:42 GMT Wind Speed Probabilities last updated Thu, 12 Nov 2015 09:03:46 GMT

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Summary for Post-Tropical Cyclone KATE (AT2/AL122015)

2015-11-12 09:46:59| National Hurricane Center (Atlantic)

...KATE BECOMES AN EXTRATROPICAL STORM OVER THE NORTH ATLANTIC... As of 5:00 AM AST Thu Nov 12 the center of KATE was located near 40.7, -50.8 with movement ENE at 26 mph. The minimum central pressure was 983 mb with maximum sustained winds of about 70 mph.

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