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Tropical Depression TWO Forecast Discussion Number 1
2016-05-27 22:57:55| National Hurricane Center (Atlantic)
Issued at 500 PM EDT FRI MAY 27 2016 000 WTNT42 KNHC 272057 TCDAT2 TROPICAL DEPRESSION TWO DISCUSSION NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL022016 500 PM EDT FRI MAY 27 2016 An Air Force Reserve reconnaissance aircraft investigating the low pressure system located about 400 n mi southeast of Charleston, South Carolina, indicated that the system has developed a well-defined closed circulation. With this afternoon's increase in convection near the center, the system is now a tropical cyclone and advisories have been initiated. The strongest reliable SFMR surface wind measured was 30 kt, and that is the intensity set for this advisory. The initial motion estimate is 300/11 kt. A strong deep-layer ridge to the northeast of the depression is forecast to remain oriented northwest-southeast across the Carolinas through 36 hours or so, which should keep the depression moving in a general west-northwestward direction during that time. By 48 hours, however, a mid-level shortwave trough ejecting northeastward out of the south-central United States is forecast to erode the ridge, resulting in a significant weakening of the steering currents and a sharp decrease in forward speed as the cyclone is approaching the coast of South Carolina. By day 3 and beyond, the cyclone is forecast to move slowly northeastward or eastward off of the coast of North Carolina as a weakening system. The models are in good agreement on this track scenario, with only small differences in forward speed. The official track forecast is close to the consensus model TVCN and has incorporated the slightly slower speed of the ECMWF model. The depression will be moving over somewhat cooler sea surface temperatures of near 25C during the next 24 hours or so before moving over the warmer Gulfstream by 36 hours, where SSTs are 27C-28C. Over the next day or so, the cyclone will also be moving into weaker vertical wind shear conditions. The net result is expected to be slow strengthening to tropical storm status prior to landfall. The NHC intensity forecast is similar to the SHIPS model through 48 hours, and then closely follows the Decay-SHIPS model after that. FORECAST POSITIONS AND MAX WINDS INIT 27/2100Z 28.5N 74.7W 30 KT 35 MPH 12H 28/0600Z 29.5N 76.4W 35 KT 40 MPH 24H 28/1800Z 30.7N 78.3W 40 KT 45 MPH 36H 29/0600Z 32.0N 79.7W 40 KT 45 MPH 48H 29/1800Z 32.8N 80.2W 40 KT 45 MPH...INLAND 72H 30/1800Z 33.6N 78.7W 30 KT 35 MPH...OVER WATER 96H 31/1800Z 34.0N 77.2W 25 KT 30 MPH...POST-TROP/REMNT LOW 120H 01/1800Z 34.7N 75.6W 25 KT 30 MPH...POST-TROP/REMNT LOW $$ Forecaster Stewart
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Summary for Tropical Depression TWO (AT2/AL022016)
2016-05-27 22:49:54| National Hurricane Center (Atlantic)
...SECOND TROPICAL CYCLONE OF THE SEASON FORMS OFF OF THE SOUTHEASTERN UNITED STATES... ...TROPICAL STORM WARNING ISSUED FOR COASTAL SOUTH CAROLINA... As of 5:00 PM EDT Fri May 27 the center of TWO was located near 28.5, -74.7 with movement WNW at 13 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 35 mph.
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Tropical Depression TWO Wind Speed Probabilities Number 1
2016-05-27 22:49:54| National Hurricane Center (Atlantic)
Issued at 2100 UTC FRI MAY 27 2016 000 FONT12 KNHC 272049 PWSAT2 TROPICAL DEPRESSION TWO WIND SPEED PROBABILITIES NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL022016 2100 UTC FRI MAY 27 2016 AT 2100Z THE CENTER OF TROPICAL DEPRESSION TWO WAS LOCATED NEAR LATITUDE 28.5 NORTH...LONGITUDE 74.7 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 18Z FRI 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 FRI 06Z SAT 18Z SAT 06Z SUN 18Z SUN 18Z MON 18Z TUE PERIODS TO TO TO TO TO TO TO 06Z SAT 18Z SAT 06Z SUN 18Z SUN 18Z MON 18Z TUE 18Z WED FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT BALTIMORE MD 34 X X( X) X( X) X( X) 1( 1) X( 1) 2( 3) ANNAPOLIS MD 34 X X( X) X( X) X( X) 1( 1) 1( 2) 1( 3) WASHINGTON DC 34 X X( X) X( X) X( X) 1( 1) 1( 2) 1( 3) CAPE HENLOPEN 34 X X( X) X( X) X( X) X( X) 1( 1) 2( 3) OCEAN CITY MD 34 X X( X) X( X) X( X) 1( 1) 1( 2) 2( 4) PAX RIVER NAS 34 X X( X) X( X) X( X) 1( 1) 2( 3) 1( 4) WALLOPS CDA 34 X X( X) X( X) X( X) 2( 2) 1( 3) 2( 5) CHARLOTTESVIL 34 X X( X) X( X) 1( 1) 1( 2) 2( 4) 1( 5) RICHMOND VA 34 X X( X) X( X) 1( 1) 2( 3) 2( 5) 2( 7) DANVILLE VA 34 X X( X) 1( 1) 3( 4) 4( 8) 1( 9) 2(11) NORFOLK NAS 34 X X( X) X( X) 1( 1) 3( 4) 2( 6) 2( 8) NORFOLK VA 34 X X( X) X( X) 1( 1) 3( 4) 2( 6) 2( 8) OCEANA NAS VA 34 X X( X) X( X) 1( 1) 3( 4) 2( 6) 2( 8) ELIZABETH CTY 34 X X( X) 1( 1) 1( 2) 4( 6) 2( 8) 2(10) GREENSBORO NC 34 X X( X) 1( 1) 4( 5) 5(10) 2(12) 1(13) RALEIGH NC 34 X X( X) 2( 2) 4( 6) 6(12) 2(14) 2(16) ROCKY MT NC 34 X X( X) 2( 2) 3( 5) 5(10) 2(12) 2(14) CAPE HATTERAS 34 X X( X) 1( 1) 2( 3) 4( 7) 4(11) 2(13) FAYETTEVILLE 34 X 1( 1) 3( 4) 8(12) 9(21) 2(23) 2(25) FAYETTEVILLE 50 X X( X) X( X) 1( 1) 3( 4) X( 4) X( 4) CHARLOTTE NC 34 X X( X) 2( 2) 9(11) 6(17) 1(18) 1(19) CHARLOTTE NC 50 X X( X) X( X) 1( 1) 2( 3) X( 3) X( 3) CHERRY PT NC 34 X 1( 1) 2( 3) 3( 6) 8(14) 3(17) 2(19) CHERRY PT NC 50 X X( X) X( X) X( X) 2( 2) 1( 3) X( 3) NEW RIVER NC 34 X 2( 2) 1( 3) 3( 6) 7(13) 3(16) 2(18) MOREHEAD CITY 34 X 2( 2) 2( 4) 3( 7) 7(14) 3(17) 2(19) SURF CITY NC 34 X 2( 2) 3( 5) 4( 9) 11(20) 2(22) 2(24) SURF CITY NC 50 X X( X) X( X) 1( 1) 3( 4) X( 4) X( 4) WILMINGTON NC 34 X 2( 2) 4( 6) 6(12) 11(23) 2(25) 2(27) WILMINGTON NC 50 X X( X) X( X) 1( 1) 3( 4) X( 4) 1( 5) BALD HEAD ISL 34 X 3( 3) 7(10) 5(15) 12(27) 2(29) 2(31) BALD HEAD ISL 50 X X( X) 1( 1) 1( 2) 4( 6) X( 6) X( 6) FLORENCE SC 34 X 2( 2) 7( 9) 15(24) 10(34) 1(35) 1(36) FLORENCE SC 50 X X( X) X( X) 2( 2) 4( 6) X( 6) X( 6) FLORENCE SC 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) COLUMBIA SC 34 X 1( 1) 5( 6) 17(23) 8(31) 1(32) X(32) COLUMBIA SC 50 X X( X) X( X) 3( 3) 3( 6) X( 6) X( 6) COLUMBIA SC 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) LITTLE RIVER 34 X 3( 3) 9(12) 9(21) 12(33) 1(34) 1(35) LITTLE RIVER 50 X X( X) 1( 1) 2( 3) 3( 6) 1( 7) X( 7) LITTLE RIVER 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) MYRTLE BEACH 34 X 3( 3) 12(15) 11(26) 11(37) 1(38) X(38) MYRTLE BEACH 50 X X( X) 1( 1) 2( 3) 4( 7) X( 7) X( 7) MYRTLE BEACH 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1) GEORGETOWN SC 34 X 3( 3) 16(19) 13(32) 9(41) 1(42) X(42) GEORGETOWN SC 50 X X( X) 1( 1) 4( 5) 3( 8) X( 8) X( 8) GEORGETOWN SC 64 X X( X) X( X) 1( 1) 1( 2) X( 2) X( 2) CHARLESTON SC 34 X 4( 4) 24(28) 13(41) 6(47) X(47) 1(48) CHARLESTON SC 50 X X( X) 3( 3) 5( 8) 2(10) X(10) X(10) CHARLESTON SC 64 X X( X) X( X) 1( 1) 1( 2) X( 2) X( 2) BEAUFORT MCAS 34 X 3( 3) 21(24) 12(36) 7(43) X(43) 1(44) BEAUFORT MCAS 50 X X( X) 3( 3) 5( 8) 1( 9) X( 9) X( 9) BEAUFORT MCAS 64 X X( X) X( X) 1( 1) X( 1) X( 1) X( 1) ATLANTA GA 34 X X( X) 1( 1) 2( 3) 1( 4) 1( 5) 1( 6) AUGUSTA GA 34 X 1( 1) 4( 5) 14(19) 7(26) X(26) 1(27) AUGUSTA GA 50 X X( X) X( X) 2( 2) 1( 3) 1( 4) X( 4) SAVANNAH GA 34 X 3( 3) 13(16) 11(27) 6(33) 1(34) X(34) SAVANNAH GA 50 X X( X) 2( 2) 4( 6) 2( 8) X( 8) X( 8) KINGS BAY GA 34 X 2( 2) 5( 7) 7(14) 3(17) 1(18) X(18) WAYCROSS GA 34 X 1( 1) 3( 4) 7(11) 4(15) X(15) X(15) MAYPORT NS FL 34 X 2( 2) 5( 7) 5(12) 3(15) X(15) X(15) JACKSONVILLE 34 X 1( 1) 4( 5) 6(11) 3(14) X(14) X(14) GAINESVILLE FL 34 X 1( 1) X( 1) 3( 4) 1( 5) X( 5) X( 5) DAYTONA BEACH 34 X 1( 1) 2( 3) 2( 5) 1( 6) X( 6) X( 6) THE VILLAGES 34 X 1( 1) X( 1) 2( 3) 1( 4) X( 4) X( 4) ORLANDO FL 34 X 1( 1) X( 1) 1( 2) 1( 3) X( 3) X( 3) COCOA BEACH FL 34 X 1( 1) X( 1) 1( 2) 1( 3) X( 3) X( 3) PATRICK AFB 34 X 1( 1) X( 1) 1( 2) 1( 3) X( 3) X( 3) CEDAR KEY FL 34 X X( X) 1( 1) 1( 2) 1( 3) X( 3) X( 3) TALLAHASSEE FL 34 X X( X) 1( 1) X( 1) 1( 2) X( 2) 1( 3) ST MARKS FL 34 X X( X) 1( 1) 1( 2) X( 2) X( 2) 1( 3) COLUMBUS GA 34 X X( X) 1( 1) 1( 2) 1( 3) X( 3) 1( 4) $$ FORECASTER STEWART
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Tropical Depression TWO Public Advisory Number 1
2016-05-27 22:49:54| National Hurricane Center (Atlantic)
Issued at 500 PM EDT FRI MAY 27 2016 000 WTNT32 KNHC 272049 TCPAT2 BULLETIN TROPICAL DEPRESSION TWO ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL022016 500 PM EDT FRI MAY 27 2016 ...SECOND TROPICAL CYCLONE OF THE SEASON FORMS OFF OF THE SOUTHEASTERN UNITED STATES... ...TROPICAL STORM WARNING ISSUED FOR COASTAL SOUTH CAROLINA... SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...28.5N 74.7W ABOUT 435 MI...695 KM SE OF CHARLESTON SOUTH CAROLINA ABOUT 440 MI...705 KM SE OF HILTON HEAD ISLAND SOUTH CAROLINA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Tropical Storm Warning has been issued for the coast of South Carolina from the Savannah River northeastward to Little River Inlet. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Savannah River to Little River Inlet South Carolina A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 PM EDT (2100 UTC), the center of Tropical Depression Two was located near latitude 28.5 North, longitude 74.7 West. The depression is moving toward the west-northwest near 13 mph (20 km/h) and this general motion is expected to continue for the next 24 hours. A reduction of the forward speed is expected by Saturday night as the system nears the coast. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Some strengthening is forecast during the next 48 hours, and the depression is expected to become a tropical storm later tonight or on Saturday. The estimated minimum central pressure is 1009 mb (29.80 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected to first reach the coast within the warning area by Saturday night, making outside preparations difficult. RAINFALL: The depression is expected to produce total rainfall accumulations of 2 to 4 inches from the upper coast of Georgia through eastern South Carolina and into southeastern North Carolina. STORM SURGE: Storm surge inundation of 1 to 2 feet above ground level is expected within the tropical storm warning area. NEXT ADVISORY ------------- Next intermediate advisory at 800 PM EDT. Next complete advisory at 1100 PM EDT. $$ Forecaster Stewart
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Tropical Depression TWO Forecast Advisory Number 1
2016-05-27 22:48:27| National Hurricane Center (Atlantic)
Issued at 2100 UTC FRI MAY 27 2016 000 WTNT22 KNHC 272048 TCMAT2 TROPICAL DEPRESSION TWO FORECAST/ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL022016 2100 UTC FRI MAY 27 2016 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A TROPICAL STORM WARNING HAS BEEN ISSUED FOR THE COAST OF SOUTH CAROLINA FROM THE SAVANNAH RIVER NORTHEASTWARD TO LITTLE RIVER INLET. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * SAVANNAH RIVER TO LITTLE RIVER INLET SOUTH CAROLINA A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. TROPICAL DEPRESSION CENTER LOCATED NEAR 28.5N 74.7W AT 27/2100Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 11 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1009 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 12 FT SEAS..120NE 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 28.5N 74.7W AT 27/2100Z AT 27/1800Z CENTER WAS LOCATED NEAR 28.2N 74.2W FORECAST VALID 28/0600Z 29.5N 76.4W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 50NE 0SE 0SW 50NW. FORECAST VALID 28/1800Z 30.7N 78.3W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 60NE 40SE 0SW 60NW. FORECAST VALID 29/0600Z 32.0N 79.7W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 60NE 40SE 0SW 60NW. FORECAST VALID 29/1800Z 32.8N 80.2W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 60NE 40SE 0SW 20NW. FORECAST VALID 30/1800Z 33.6N 78.7W...OVER WATER MAX WIND 30 KT...GUSTS 40 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 31/1800Z 34.0N 77.2W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 01/1800Z 34.7N 75.6W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.5N 74.7W NEXT ADVISORY AT 28/0300Z $$ FORECASTER STEWART
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