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Tropical Storm Karina Graphics

2020-09-15 04:45:22| National Hurricane Center (East Pacific)

5-Day Uncertainty Track last updated Tue, 15 Sep 2020 02:45:22 GMT Wind Speed Probabilities last updated Tue, 15 Sep 2020 02:45:22 GMT

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Tropical Storm Karina Forecast Discussion Number 9

2020-09-15 04:39:21| National Hurricane Center (East Pacific)

Issued at 800 PM PDT Mon Sep 14 2020 000 WTPZ41 KNHC 150239 TCDEP1 Tropical Storm Karina Discussion Number 9 NWS National Hurricane Center Miami FL EP162020 Issued by NWS Central Pacific Hurricane Center Honolulu HI 800 PM PDT Mon Sep 14 2020 Karina may not have reached its peak after all. The northeasterly vertical wind shear appears to have eased a bit, allowing the dense cirrus overcast from the central convection to fully obscure the low level cloud center. The cyclone also appears to be better organized than 24 hours ago. As a result, most of the Dvorak intensity estimates have increased, with ADT up to 39 kt, and PHFO and TAFB indicating 55 kt. SAB was unchanged from the 6 hours ago at 35 kt. Based on a blend of the estimates, the initial intensity for this advisory has been increased to 45 kt. The 12 ft seas radii have also been adjusted based on guidance from TAFB. Moderate shear should continue to affect Karina for another 12 to 24 hours. The shear is forecast to weaken after that, but by then the cyclone is expected to be over sub-26 degree C sea surface temperatures. There is still a narrow window for additional intensification, but most of the guidance holds the intensity for another 12 to 24 hours, with gradual weakening occurring afterward. The forecast holds Karina at 45 kt for 24 hours, followed by weakening to post-tropical remnant low status by 72 hours. This is close to the HCCA guidance. The initial motion for this advisory is 310/10 kt. Karina is forecast to continue moving northwestward to the southwest of a mid-level anticyclone. This motion is expected to continue through 60 to 72 hours. Karina should turn toward the southwest as deep convection ceases and the cyclone becomes steered by the low level flow. The objective guidance is tightly packed through around 60 hours, with variations occurring thereafter regarding when the southwestward turn will occur. The forecast track is close to the previous forecast and closely follows the consensus guidance. FORECAST POSITIONS AND MAX WINDS INIT 15/0300Z 19.1N 119.8W 45 KT 50 MPH 12H 15/1200Z 20.0N 120.7W 45 KT 50 MPH 24H 16/0000Z 21.3N 122.2W 45 KT 50 MPH 36H 16/1200Z 22.4N 123.7W 40 KT 45 MPH 48H 17/0000Z 23.3N 124.9W 35 KT 40 MPH 60H 17/1200Z 23.8N 125.8W 25 KT 30 MPH 72H 18/0000Z 23.9N 126.6W 25 KT 30 MPH...POST-TROP/REMNT LOW 96H 19/0000Z 23.5N 128.5W 25 KT 30 MPH...POST-TROP/REMNT LOW 120H 20/0000Z...DISSIPATED $$ Forecaster Kodama

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Summary for Tropical Storm Karina (EP1/EP162020)

2020-09-15 04:37:41| National Hurricane Center (East Pacific)

...KARINA A LITTLE STRONGER THIS EVENING... As of 8:00 PM PDT Mon Sep 14 the center of Karina was located near 19.1, -119.8 with movement NW at 14 mph. The minimum central pressure was 996 mb with maximum sustained winds of about 50 mph.

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Tropical Storm Karina Public Advisory Number 9

2020-09-15 04:37:41| National Hurricane Center (East Pacific)

Issued at 800 PM PDT Mon Sep 14 2020 000 WTPZ31 KNHC 150237 TCPEP1 BULLETIN Tropical Storm Karina Advisory Number 9 NWS National Hurricane Center Miami FL EP162020 Issued by NWS Central Pacific Hurricane Center Honolulu HI 800 PM PDT Mon Sep 14 2020 ...KARINA A LITTLE STRONGER THIS EVENING... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...19.1N 119.8W ABOUT 690 MI...1110 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.42 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 800 PM PDT (0300 UTC), the center of Tropical Storm Karina was located near latitude 19.1 North, longitude 119.8 West. Karina is moving toward the northwest near 14 mph (22 km/h), and this motion is expected to continue over the next couple of days. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Little change in strength is expected over the next 24 hours, with gradual weakening thereafter. Tropical-storm-force winds extend outward up to 205 miles (335 km) from the center. The estimated minimum central pressure is 996 mb (29.42 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 200 AM PDT. $$ Forecaster Kodama

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Tropical Storm Karina Wind Speed Probabilities Number 9

2020-09-15 04:35:09| National Hurricane Center (East Pacific)

Issued at 0300 UTC TUE SEP 15 2020 000 FOPZ11 KNHC 150235 PWSEP1 TROPICAL STORM KARINA WIND SPEED PROBABILITIES NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL EP162020 ISSUED BY NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI 0300 UTC TUE SEP 15 2020 AT 0300Z THE CENTER OF TROPICAL STORM KARINA WAS LOCATED NEAR LATITUDE 19.1 NORTH...LONGITUDE 119.8 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 45 KTS...50 MPH...85 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 TUE 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 TUE 12Z TUE 00Z WED 12Z WED 00Z THU 00Z FRI 00Z SAT PERIODS TO TO TO TO TO TO TO 12Z TUE 00Z WED 12Z WED 00Z THU 00Z FRI 00Z SAT 00Z SUN FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT 20N 120W 34 90 2(92) X(92) X(92) X(92) X(92) X(92) 20N 120W 50 13 1(14) X(14) X(14) X(14) X(14) X(14) 20N 125W 34 1 6( 7) 3(10) X(10) X(10) X(10) X(10) 25N 125W 34 X 1( 1) 2( 3) 5( 8) 4(12) 1(13) X(13) 25N 130W 34 X X( X) X( X) X( X) 1( 1) 2( 3) X( 3) $$ FORECASTER KODAMA

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