BULLETIN
TROPICAL DEPRESSION DEBBY ADVISORY NUMBER 26
NWS NATIONAL HURRICANE CENTER MIAMI FL AL042024
500 PM EDT THU AUG 08 2024
...MAJOR FLOOD THREAT CONTINUES FOR PORTIONS OF THE CAROLINAS AND
WESTERN VIRGINIA...
...FUTURE ADVISORIES WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER...
SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...35.1N 80.2W
ABOUT 45 MI...75 KM E OF CHARLOTTE NORTH CAROLINA
ABOUT 95 MI...155 KM WSW OF RALEIGH NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...NNW OR 345 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...998 MB...29.47 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.
DISCUSSION AND OUTLOOK
----------------------
AT 500 PM EDT (2100 UTC), THE CENTER OF TROPICAL DEPRESSION DEBBY
WAS LOCATED INLAND NEAR LATITUDE 35.1 NORTH, LONGITUDE 80.2 WEST.
THE DEPRESSION IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 10 MPH (17
KM/H). A FASTER NORTHWARD OR NORTH-NORTHEASTWARD MOTION IS
EXPECTED DURING THE NEXT DAY OR TWO.
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH (55 KM/H) WITH HIGHER GUSTS.
LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT COUPLE OF
DAYS, BUT DEBBY IS EXPECTED TO BECOME A POST-TROPICAL CYCLONE ON
FRIDAY.
THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON SURFACE
OBSERVATIONS IS 998 MB (29.47 INCHES).
HAZARDS AFFECTING LAND
----------------------
KEY MESSAGES FOR DEBBY CAN BE FOUND IN THE TROPICAL CYCLONE
DISCUSSION UNDER AWIPS HEADER MIATCDAT4 AND WMO HEADER WTNT44 KNHC.
WIND: WIND GUSTS TO TROPICAL-STORM-FORCE COULD OCCUR FOR A FEW MORE
HOURS ALONG PORTIONS OF THE NORTH CAROLINA COAST.
STORM SURGE: COASTAL FLOODING IS POSSIBLE IN THE CAPE FEAR, NEUSE,
AND PAMLICO RIVERS...1 TO 3 FT.
FOR A COMPLETE DEPICTION OF AREAS AT RISK OF STORM SURGE INUNDATION,
PLEASE SEE THE NATIONAL WEATHER SERVICE PEAK STORM SURGE GRAPHIC,
AVAILABLE AT HURRICANES.GOV/GRAPHICS_AT4.SHTML?PEAKSURGE.
RAINFALL: DEBBY IS EXPECTED TO PRODUCE AN ADDITIONAL 3 TO 6 INCHES
OF RAINFALL WITH LOCALLY HIGHER AMOUNTS, ACROSS PORTIONS OF
SOUTHEASTERN NORTH CAROLINA LEADING TO MAXIMUM STORM TOTAL AMOUNTS
AS HIGH AS 15 INCHES. ADDITIONAL RAINFALL OF 1 TO 3 INCHES OVER
PORTIONS OF EASTERN SOUTH CAROLINA WILL BRING MAXIMUM STORM TOTAL
AMOUNTS AS HIGH AS 20 TO 25 INCHES. CONSIDERABLE FLOODING IS
EXPECTED ACROSS PORTIONS OF EASTERN SOUTH CAROLINA AND SOUTHEAST
NORTH CAROLINA THROUGH FRIDAY.
FROM CENTRAL NORTH CAROLINA NORTHWARD ACROSS PORTIONS OF VIRGINIA, 3
TO 7 INCHES WITH LOCAL AMOUNTS TO 10 INCHES, ARE EXPECTED THROUGH
FRIDAY. THIS RAINFALL WILL LIKELY RESULT IN AREAS OF CONSIDERABLE TO
LOCALLY CATASTROPHIC FLASH AND URBAN FLOODING, ESPECIALLY IN THE
TERRAIN OF WESTERN VIRGINIA, WITH RIVER FLOODING ALSO POSSIBLE.
FROM PORTIONS OF MARYLAND NORTH THROUGH UPSTATE NEW YORK AND
VERMONT, 2 TO 4 INCHES, WITH LOCAL AMOUNTS TO 6 INCHES, ARE EXPECTED
THROUGH FRIDAY NIGHT. THIS WILL LIKELY RESULT IN AREAS OF
CONSIDERABLE FLASH AND URBAN FLOODING AS WELL AS RIVER FLOODING.
FOR THE REMAINDER OF NORTHERN NEW ENGLAND, 1 TO 3 INCHES, WITH
LOCAL AMOUNTS TO 4 INCHES, ARE EXPECTED INTO SATURDAY. SCATTERED
INSTANCES OF FLASH FLOODING ARE POSSIBLE.
FOR A COMPLETE DEPICTION OF FORECAST RAINFALL AND FLASH FLOODING
ASSOCIATED WITH DEBBY, PLEASE SEE THE NATIONAL WEATHER SERVICE
STORM TOTAL RAINFALL GRAPHIC, AVAILABLE AT
HURRICANES.GOV/GRAPHICS_AT4.SHTML?RAINQPF AND THE FLASH FLOOD RISK
GRAPHIC AT HURRICANES.GOV/GRAPHICS_AT4.SHTML?ERO. FOR A LIST OF
RAINFALL OBSERVATIONS (AND WIND REPORTS) ASSOCIATED THIS STORM, SEE
THE COMPANION STORM SUMMARY AT WBCSCCNS4 WITH THE WMO HEADER ACUS44
KWBC OR AT THE FOLLOWING LINK:
WWW.WPC.NCEP.NOAA.GOV/DISCUSSIONS/NFDSCC4.HTML.
TORNADOES: A FEW TORNADOES MAY OCCUR THROUGH TONIGHT FROM CENTRAL
AND EASTERN NORTH CAROLINA INTO CENTRAL AND SOUTHEAST VIRGINIA.
THE THREAT FOR TORNADOES WILL SHIFT NORTHWARD INTO PARTS OF NEW
JERSEY AND EASTERN PENNSYLVANIA ON FRIDAY.
SURF: LARGE SWELLS WILL CONTINUE TO AFFECT THE SOUTHEAST U.S.
COAST FOR ANOTHER DAY OR SO. THESE CONDITIONS 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 DEBBY. FUTURE INFORMATION ON THIS SYSTEM CAN BE
FOUND IN PUBLIC ADVISORIES ISSUED BY THE WEATHER PREDICTION CENTER
BEGINNING AT 1100 PM EDT, UNDER AWIPS HEADER TCPAT4, WMO
HEADER WTNT34 KWNH, AND ON THE WEB AT WWW.HURRICANES.GOV.
RAINFALL FORECASTS FOR THE UNITED STATES CAN ALWAYS BE FOUND AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/QPF/QPF2.SHTML
AND OUTLOOKS OF FLASH FLOOD RISKS CAN BE FOUND AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/QPF/EXCESSIVE_RAINFALL_OUTLOOK_ERO.PHP
.
$$
|
