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Tropical Storm Henriette Forecast Advisory Number 3
2019-08-12 16:32:03| National Hurricane Center (East Pacific)
Issued at 1500 UTC MON AUG 12 2019 000 WTPZ24 KNHC 121431 TCMEP4 TROPICAL STORM HENRIETTE FORECAST/ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL EP092019 1500 UTC MON AUG 12 2019 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 19.7N 112.2W AT 12/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT....... 0NE 0SE 30SW 30NW. 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 19.7N 112.2W AT 12/1500Z AT 12/1200Z CENTER WAS LOCATED NEAR 19.5N 111.7W FORECAST VALID 13/0000Z 20.2N 113.9W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 0NE 0SE 30SW 30NW. FORECAST VALID 13/1200Z 20.9N 116.1W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 14/0000Z 21.4N 118.8W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 14/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.7N 112.2W NEXT ADVISORY AT 12/2100Z $$ FORECASTER LATTO/PASCH
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Tropical Storm Henriette Graphics
2019-08-12 10:37:24| National Hurricane Center (East Pacific)
5-Day Uncertainty Track last updated Mon, 12 Aug 2019 08:37:24 GMT Wind Speed Probabilities last updated Mon, 12 Aug 2019 09:24:26 GMT
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Tropical Storm Henriette Wind Speed Probabilities Number 2
2019-08-12 10:36:31| National Hurricane Center (East Pacific)
Issued at 0900 UTC MON AUG 12 2019 000 FOPZ14 KNHC 120836 PWSEP4 TROPICAL STORM HENRIETTE WIND SPEED PROBABILITIES NUMBER 2 NWS NATIONAL HURRICANE CENTER MIAMI FL EP092019 0900 UTC MON AUG 12 2019 AT 0900Z THE CENTER OF TROPICAL STORM HENRIETTE WAS LOCATED NEAR LATITUDE 19.5 NORTH...LONGITUDE 110.9 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 35 KTS...40 MPH...65 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 06Z 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 06Z MON 18Z MON 06Z TUE 18Z TUE 06Z WED 06Z THU 06Z FRI PERIODS TO TO TO TO TO TO TO 18Z MON 06Z TUE 18Z TUE 06Z WED 06Z THU 06Z FRI 06Z SAT FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT 20N 115W 34 X 4( 4) 3( 7) X( 7) X( 7) X( 7) X( 7) 20N 120W 34 X X( X) X( X) 2( 2) 1( 3) X( 3) X( 3) $$ FORECASTER BROWN
Tropical Storm Henriette Forecast Discussion Number 2
2019-08-12 10:36:28| National Hurricane Center (East Pacific)
Issued at 300 AM MDT Mon Aug 12 2019 000 WTPZ44 KNHC 120836 TCDEP4 Tropical Storm Henriette Discussion Number 2 NWS National Hurricane Center Miami FL EP092019 300 AM MDT Mon Aug 12 2019 Deep convection has continued to burst over the western portion of the cyclone overnight. Although the system is sheared with the center located near the northeastern edge of the convective mass, a couple of ASCAT passes have shown a very small area of 30-35 kt winds over the northwestern portion of the circulation. These winds extend no more than about 15-20 n mi from the center, but based on these data the initial wind speed has been increased to 35 kt. Henriette becomes the eighth named storm in the eastern Pacific basin this season. The ASCAT data also assisted in locating the center this morning, and recent fixes show that Henriette continues to move west- northwestward or 295/12 kt. The tropical storm should move west-northwestward around the southwestern portion of a deep-layer ridge that extends westward from northern Mexico. As Henriette weakens, it is likely to turn westward within the low-level flow. The updated NHC track forecast is similar to the previous advisory through 36 hours, but has been adjusted southward at 48 hours to be closer to the various consensus aids. Henriette is not anticipated to strengthen much more. Although the system is predicted to remain over warm waters and within an area of light to moderate northeasterly shear today, nearby dry mid-level air is likely to prevent significant strengthening. By Tuesday morning, Henriette will be moving over cooler waters and into a more stable airmass. This should lead to weakening, and the cyclone is predicted to degenerate into a remnant low within 48 hours, with dissipation occurring shortly thereafter. FORECAST POSITIONS AND MAX WINDS INIT 12/0900Z 19.5N 110.9W 35 KT 40 MPH 12H 12/1800Z 20.2N 112.4W 35 KT 40 MPH 24H 13/0600Z 21.0N 114.4W 35 KT 40 MPH 36H 13/1800Z 21.7N 116.8W 30 KT 35 MPH 48H 14/0600Z 22.0N 120.0W 25 KT 30 MPH...POST-TROP/REMNT LOW 72H 15/0600Z...DISSIPATED $$ Forecaster Brown
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Summary for Tropical Storm Henriette (EP4/EP092019)
2019-08-12 10:35:59| National Hurricane Center (East Pacific)
...HENRIETTE FORMS BUT EXPECTED TO WEAKEN BY TUESDAY... As of 3:00 AM MDT Mon Aug 12 the center of Henriette was located near 19.5, -110.9 with movement WNW at 14 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.
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