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Tropical Depression Bertha Public Advisory Number 3

2020-05-27 22:33:44| National Hurricane Center (Atlantic)

Issued at 500 PM EDT Wed May 27 2020 000 WTNT32 KNHC 272033 TCPAT2 BULLETIN Tropical Depression Bertha Advisory Number 3 NWS National Hurricane Center Miami FL AL022020 500 PM EDT Wed May 27 2020 ...CENTER OF BERTHA MOVING FARTHER INLAND... ...HEAVY RAINFALL SPREADING ACROSS THE CAROLINAS... SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...34.4N 80.3W ABOUT 55 MI...85 KM ENE OF COLUMBIA SOUTH CAROLINA ABOUT 95 MI...150 KM WNW OF MYRTLE BEACH SOUTH CAROLINA MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM EDT (2100 UTC), the center of Tropical Depression Bertha was located near latitude 34.4 North, longitude 80.3 West. The depression is moving toward the north-northwest near 15 mph (24 km/h). A turn toward the north at a faster forward speed is expected tonight, followed by a turn toward the north-northeast on Thursday. On the forecast track, Bertha will move across northern South Carolina this evening and into central North Carolina and southwestern Virginia later tonight. Maximum sustained winds have decreased to near 30 mph (45 km/h) with higher gusts, mainly along the coast to the east of the center. Additional weakening is expected, and Bertha is forecast to degenerate to a remnant low pressure area on Thursday. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Bertha is expected to produce total rain accumulation of 2 to 4 inches with isolated totals of 8 inches across northeastern South Carolina into west central to far southeastern North Carolina and southwest Virginia. Given very saturated antecedent conditions, this rainfall may produce life threatening flash flooding, aggravate and prolong ongoing river flooding, and produce rapid out of bank rises on smaller rivers. WIND: Gusty winds will continue over portions of eastern South Carolina this evening. 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 11 PM EDT, under AWIPS header TCPAT2, WMO header WTNT32 KWNH, and on the web at http://www.wpc.ncep.noaa.gov. $$ Forecaster Beven

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Tropical Depression Bertha Forecast Advisory Number 3

2020-05-27 22:33:44| National Hurricane Center (Atlantic)

Issued at 2100 UTC WED MAY 27 2020 000 WTNT22 KNHC 272033 TCMAT2 TROPICAL DEPRESSION BERTHA FORECAST/ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL AL022020 2100 UTC WED MAY 27 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 34.4N 80.3W AT 27/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 340 DEGREES AT 13 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 35 KT. 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 34.4N 80.3W AT 27/2100Z AT 27/1800Z CENTER WAS LOCATED NEAR 33.6N 80.2W FORECAST VALID 28/0600Z 37.0N 80.7W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 28/1800Z 41.7N 79.7W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 29/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 34.4N 80.3W THIS IS THE LAST FORECAST/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 0300 UTC UNDER AWIPS HEADER TCPAT2, WMO HEADER WTNT32 KWNH, AND ON THE WEB AT HTTP://WWW.WPC.NCEP.NOAA.GOV. $$ FORECASTER BEVEN

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Tropical Depression Bertha Graphics

2020-05-27 19:47:04| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Wed, 27 May 2020 17:47:04 GMT Wind Speed Probabilities last updated Wed, 27 May 2020 15:23:33 GMT

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Tropical Depression Bertha Public Advisory Number 2A

2020-05-27 19:46:12| National Hurricane Center (Atlantic)

Issued at 200 PM EDT Wed May 27 2020 621 WTNT32 KNHC 271746 TCPAT2 BULLETIN Tropical Depression Bertha Intermediate Advisory Number 2A NWS National Hurricane Center Miami FL AL022020 200 PM EDT Wed May 27 2020 ...BERTHA WEAKENS TO A TROPICAL DEPRESSION... ...HEAVY RAINFALL SPREADING ACROSS THE CAROLINAS... SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...33.7N 80.2W ABOUT 65 MI...105 KM NNW OF CHARLESTON SOUTH CAROLINA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NNW OR 330 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: All Tropical Storm Warnings have been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. 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 OUTLOOK ---------------------- At 200 PM EDT (1800 UTC), the center of Tropical Depression Bertha was located near latitude 33.7 North, longitude 80.2 West. Bertha is moving toward the north-northwest near 15 mph (24 km/h). This general motion is expected to continue through tonight, followed by a turn to the north along with an increase in forward speed on Thursday. On the forecast track, Bertha will move across northern South Carolina later today and into central North Carolina by tonight. Maximum sustained winds have decreased to near 35 mph (55 km/h) with higher gusts, mainly along the coast to the east of the center. Additional weakening is forecast during the next 48 hours, and Bertha is expected to become a remnant low tonight. At Oyster Landing, SC a wind gust to 41 mph (66 km/h) was reported at 1245 PM EDT The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Bertha is expected to produce total rain accumulation of 2 to 4 inches with isolated totals of 8 inches across eastern and central South Carolina into west central to far southeastern North Carolina and southwest Virginia. Given very saturated antecedent conditions, this rainfall may produce life threatening flash flooding, aggravate and prolong ongoing river flooding, and produce rapid out of bank rises on smaller rivers. WIND: Gusty winds will continue over eastern South Carolina for the remainder of today. NEXT ADVISORY ------------- Next complete advisory at 500 PM EDT. $$ Forecaster Latto

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