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Tropical Depression Irma Public Advisory Number 52
2017-09-12 05:59:50| National Hurricane Center (Atlantic)
Issued at 1100 PM EDT Mon Sep 11 2017 000 WTNT31 KNHC 120359 CCA TCPAT1 BULLETIN Tropical Depression Irma Advisory Number 52...Corrected NWS National Hurricane Center Miami FL AL112017 1100 PM EDT Mon Sep 11 2017 CORRECT DAYS IN THE DISCUSSION PARAGRAPHS ...IRMA WEAKENS TO A TROPICAL DEPRESSION... ...HEAVY RAINFALL CONTINUES ACROSS THE SOUTHEASTERN UNITED STATES... SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...32.4N 84.9W ABOUT 5 MI...10 KM S OF COLUMBUS GEORGIA ABOUT 95 MI...150 KM SSW OF ATLANTA GEORGIA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: All Storm Surge Warnings and Tropical Storm Warnings have been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. Interests in the southeastern United States should monitor the progress of Irma. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 1100 PM EDT (0300 UTC), the center of Tropical Depression Irma was located near latitude 32.4 North, longitude 84.9 West. The depression is moving toward the northwest near 15 mph (24 km/h), and this motion at a slightly slower speed is expected through Tuesday. A turn toward the north-northwest is forecast Tuesday night. On the forecast track, the center of Irma will move into Alabama soon and then into western Tennessee by Tuesday evening. Maximum sustained winds have decreased to near 35 mph (55 km/h) with higher gusts. Additional weakening is forecast, and Irma is expected to degenerate into a remnant low by Tuesday evening. The low is likely to dissipate by Wednesday evening. The estimated minimum central pressure is 988 mb (29.18 inches). HAZARDS AFFECTING LAND ---------------------- STORM SURGE: Water levels are gradually subsiding along the southeastern United States coast and the west coast of Florida. WIND: Gusty winds to tropical storm force are possible near the coast of South Carolina and in heavier rainbands across the southeastern United States overnight. RAINFALL: Irma is expected to produce rain accumulations of 2 to 5 inches with isolated 8 inches through Wednesday across South Carolina and northern portions of Georgia, Alabama, and Mississippi into Tennessee and North Carolina. SURF: Swells generated by Irma are affecting the southeast coast of the United States. These swells are likely to cause life- threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on this system. Future information on this system can be found in Public Advisories issued by the Weather Prediction Center beginning at 5 AM EDT, under AWIPS header TCPAT1, WMO header WTNT31 KWNH, and on the web at http://www.wpc.ncep.noaa.gov. $$ Forecaster Berg
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Tropical Depression Irma Graphics
2017-09-12 04:39:11| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Tue, 12 Sep 2017 02:39:11 GMT Wind Speed Probabilities last updated Tue, 12 Sep 2017 03:25:04 GMT
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Tropical Depression Fifteen-E Graphics
2017-09-12 04:36:36| National Hurricane Center (East Pacific)
5-Day Uncertainty Track last updated Tue, 12 Sep 2017 02:36:36 GMT Wind Speed Probabilities last updated Tue, 12 Sep 2017 02:36:36 GMT
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Tropical Depression Irma Wind Speed Probabilities Number 52
2017-09-12 04:31:53| National Hurricane Center (Atlantic)
Issued at 0300 UTC TUE SEP 12 2017 000 FONT11 KNHC 120231 PWSAT1 TROPICAL DEPRESSION IRMA WIND SPEED PROBABILITIES NUMBER 52 NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017 0300 UTC TUE SEP 12 2017 AT 0300Z THE CENTER OF TROPICAL DEPRESSION IRMA WAS LOCATED NEAR LATITUDE 32.4 NORTH...LONGITUDE 84.9 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 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 CHARLOTTE NC 34 99 X(99) X(99) X(99) X(99) X(99) X(99) FLORENCE SC 34 99 X(99) X(99) X(99) X(99) X(99) X(99) COLUMBIA SC 34 99 X(99) X(99) X(99) X(99) X(99) X(99) GEORGETOWN SC 34 99 X(99) X(99) X(99) X(99) X(99) X(99) CHARLESTON SC 34 99 X(99) X(99) X(99) X(99) X(99) X(99) BEAUFORT MCAS 34 99 X(99) X(99) X(99) X(99) X(99) X(99) ATLANTA GA 34 99 X(99) X(99) X(99) X(99) X(99) X(99) AUGUSTA GA 34 99 X(99) X(99) X(99) X(99) X(99) X(99) SAVANNAH GA 34 99 X(99) X(99) X(99) X(99) X(99) X(99) KINGS BAY GA 34 99 X(99) X(99) X(99) X(99) X(99) X(99) WAYCROSS GA 34 99 X(99) X(99) X(99) X(99) X(99) X(99) MAYPORT NS FL 34 99 X(99) X(99) X(99) X(99) X(99) X(99) JACKSONVILLE 34 99 X(99) X(99) X(99) X(99) X(99) X(99) GAINESVILLE FL 34 99 X(99) X(99) X(99) X(99) X(99) X(99) DAYTONA BEACH 34 99 X(99) X(99) X(99) X(99) X(99) X(99) THE VILLAGES 34 99 X(99) X(99) X(99) X(99) X(99) X(99) CEDAR KEY FL 34 99 X(99) X(99) X(99) X(99) X(99) X(99) TALLAHASSEE FL 34 99 X(99) X(99) X(99) X(99) X(99) X(99) ST MARKS FL 34 99 X(99) X(99) X(99) X(99) X(99) X(99) COLUMBUS GA 34 23 1(24) X(24) X(24) X(24) X(24) X(24) BIRMINGHAM AL 34 3 12(15) X(15) X(15) X(15) X(15) X(15) MONTGOMERY AL 34 6 1( 7) X( 7) X( 7) X( 7) X( 7) X( 7) $$ FORECASTER BERG
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Summary for Tropical Depression Irma (AT1/AL112017)
2017-09-12 04:31:22| National Hurricane Center (Atlantic)
...IRMA WEAKENS TO A TROPICAL DEPRESSION... ...HEAVY RAINFALL CONTINUES ACROSS THE SOUTHEASTERN UNITED STATES... As of 11:00 PM EDT Mon Sep 11 the center of Irma was located near 32.4, -84.9 with movement NW at 15 mph. The minimum central pressure was 988 mb with maximum sustained winds of about 35 mph.
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