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Tropical Depression Twenty Graphics
2020-09-13 10:53:53| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sun, 13 Sep 2020 08:53:53 GMT Wind Speed Probabilities last updated Sun, 13 Sep 2020 09:46:43 GMT
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Tropical Depression Twenty Wind Speed Probabilities Number 3
2020-09-13 10:53:07| National Hurricane Center (Atlantic)
Issued at 0900 UTC SUN SEP 13 2020 000 FONT15 KNHC 130852 PWSAT5 TROPICAL DEPRESSION TWENTY WIND SPEED PROBABILITIES NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL AL202020 0900 UTC SUN SEP 13 2020 AT 0900Z THE CENTER OF TROPICAL DEPRESSION TWENTY WAS LOCATED NEAR LATITUDE 12.2 NORTH...LONGITUDE 35.5 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 30 KTS...35 MPH...55 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 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 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 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 SUN 18Z SUN 06Z MON 18Z MON 06Z TUE 06Z WED 06Z THU PERIODS TO TO TO TO TO TO TO 18Z SUN 06Z MON 18Z MON 06Z TUE 06Z WED 06Z THU 06Z FRI FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER STEWART
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Summary for Tropical Depression Twenty (AT5/AL202020)
2020-09-13 10:52:31| National Hurricane Center (Atlantic)
...DEPRESSION EXPECTED TO GRADUALLY STRENGTHEN OVER THE NEXT SEVERAL DAYS... As of 5:00 AM AST Sun Sep 13 the center of Twenty was located near 12.2, -35.5 with movement WNW at 10 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.
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Tropical Depression Twenty Public Advisory Number 3
2020-09-13 10:52:31| National Hurricane Center (Atlantic)
Issued at 500 AM AST Sun Sep 13 2020 010 WTNT35 KNHC 130852 TCPAT5 BULLETIN Tropical Depression Twenty Advisory Number 3 NWS National Hurricane Center Miami FL AL202020 500 AM AST Sun Sep 13 2020 ...DEPRESSION EXPECTED TO GRADUALLY STRENGTHEN OVER THE NEXT SEVERAL DAYS... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...12.2N 35.5W ABOUT 1745 MI...2805 KM E OF THE LESSER ANTILLES ABOUT 815 MI...1310 KM WSW OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Depression Twenty was located near latitude 12.2 North, longitude 35.5 West. The depression is moving toward the west-northwest near 10 mph (17 km/h), and this general motion is expected to continue for the next few days. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual strengthening is expect over the next several days, and the system is forecast to become a tropical storm by Tuesday and it could become a hurricane in a few days. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Stewart
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Tropical Depression Twenty Forecast Advisory Number 3
2020-09-13 10:52:01| National Hurricane Center (Atlantic)
Issued at 0900 UTC SUN SEP 13 2020 791 WTNT25 KNHC 130851 TCMAT5 TROPICAL DEPRESSION TWENTY FORECAST/ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL AL202020 0900 UTC SUN SEP 13 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 12.2N 35.5W AT 13/0900Z POSITION ACCURATE WITHIN 45 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 12 FT SEAS.. 75NE 0SE 0SW 75NW. 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 12.2N 35.5W AT 13/0900Z AT 13/0600Z CENTER WAS LOCATED NEAR 12.0N 35.1W FORECAST VALID 13/1800Z 12.6N 36.9W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 14/0600Z 13.2N 39.2W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 70NE 80SE 0SW 70NW. FORECAST VALID 14/1800Z 13.7N 41.5W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 0SE 0SW 30NW. 34 KT...100NE 90SE 40SW 100NW. FORECAST VALID 15/0600Z 14.4N 43.8W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 30NE 30SE 0SW 30NW. 34 KT...100NE 90SE 50SW 100NW. FORECAST VALID 15/1800Z 15.3N 45.7W MAX WIND 70 KT...GUSTS 85 KT. 50 KT... 60NE 50SE 30SW 50NW. 34 KT...120NE 100SE 50SW 120NW. FORECAST VALID 16/0600Z 16.3N 46.9W MAX WIND 80 KT...GUSTS 100 KT. 50 KT... 60NE 50SE 40SW 60NW. 34 KT...130NE 110SE 70SW 130NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 17/0600Z 19.0N 49.6W MAX WIND 90 KT...GUSTS 110 KT. OUTLOOK VALID 18/0600Z 21.5N 51.8W MAX WIND 85 KT...GUSTS 105 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 12.2N 35.5W NEXT ADVISORY AT 13/1500Z $$ FORECASTER STEWART
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