380  
FXUS01 KWBC 060800  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
400 AM EDT TUE AUG 06 2024  
 
VALID 12Z TUE AUG 06 2024 - 12Z THU AUG 08 2024  
 
...TROPICAL STORM DEBBY IS EXPECTED TO CAUSE POTENTIALLY  
CATASTROPHIC FLASH AND URBAN FLOODING, LIFE-THREATENING STORM  
SURGE, AND STRONG WINDS ACROSS PORTIONS OF NORTH FLORIDA AND THE  
SOUTHEAST...  
 
...THERE'S POTENTIAL FOR EXCESSIVE RAINFALL AND SEVERE  
THUNDERSTORMS ACROSS PORTIONS OF THE NORTHERN HIGH PLAINS,  
MIDWEST, LOWER GREAT LAKES, NORTHEAST AND MID-ATLANTIC TODAY...  
 
...THERE ARE EXCESSIVE HEAT WARNINGS OVER PARTS OF  
CENTRAL/SOUTHEASTERN CALIFORNIA AND THE SOUTHWEST; HEAT ADVISORIES  
OVER PARTS OF THE LOWER MISSISSIPPI VALLEY...  
 
TROPICAL STORM DEBBY IS EXPECTED TO TRACK UP ALONG THE SOUTHEAST  
COAST OVER THE NEXT COUPLE OF DAYS. POTENTIALLY HISTORIC HEAVY  
RAINFALL ACROSS SOUTHEAST GEORGIA AND EASTERN SOUTH CAROLINA  
THROUGH FRIDAY WILL LIKELY RESULT IN AREAS OF CATASTROPHIC  
FLOODING. HEAVY RAINFALL WIL LIKELY RESULT IN CONSIDERABLE  
FLOODING IMPACTS FROM NORTHERN NORTH CAROLINA THROUGH PORTIONS OF  
THE MID-ATLANTIC AND SOUTHERN NEW ENGLAND THROUGH SUNDAY MORNING.  
DEBBY IS EXPECTED TO PRODUCE POTENTIALLY HISTORIC RAINFALL TOTALS  
OF 10-20 INCHES, WITH MAXIMUM AMOUNTS OF 25 INCHES. A HIGH RISK  
(AT LEAST 70%) OF EXCESSIVE RAINFALL LEADING TO FLASH FLOODING IS  
IN EFFECT FOR PARTS OF SOUTHEASTERN GEORGIA THROUGH EASTERN SOUTH  
CAROLINA AND INTO FAR SOUTHEASTERN NORTH CAROLINA TODAY. ON  
WEDNESDAY, ANOTHER HIGH RISK WILL ENCIRCLE PORTIONS OF SOUTH  
CAROLINAS CENTRAL COAST UP INTO SOUTHEASTERN NORTH CAROLINA. FOR  
MORE INFORMATION GO TO HURRICANES.GOV.  
 
A COLD FRONT WILL STALL OUT OVER THE NORTHEAST AND ACT AS A FOCUS  
FOR THUNDERSTORMS ACTIVITY FROM THE OHIO VALLEY THROUGH THE  
NORTHERN MID-ATLANTIC AND INTO PARTS OF THE TRI-STATE AREA TODAY.  
TROPICAL MOISTURE FROM DEBBY WILL INTERACT WITH THE STATIONARY  
FRONT IN THE NORTHEAST AND LIKELY GENERATE HEAVY RAINFALL OVER  
PARTS OF EASTERN PENNSYLVANIA, NORTHERN MARYLAND, NEW JERSEY, AND  
THE NYC METRO AREA. A MODERATE RISK (AT LEAST 40%) OF EXCESSIVE  
RAINFALL LEADING TO FLASH FLOODING IS IN EFFECT FOR MUCH OF THE  
AFOREMENTIONED AREAS SAVE FOR NORTHERN MARYLAND. THE STORM  
PREDICTION CENTER ISSUED A SLIGHT RISK (LEVEL 2/5) OF SEVERE  
THUNDERSTORMS FOR PORTIONS OF NORTHERN OHIO, PENNSYLVANIA AND  
WESTERN/NORTHERN NEW JERSEY, WHERE DAMAGING WIND GUSTS AND HAIL  
ARE POSSIBLE. A SLIGHT RISK OF EXCESSIVE RAINFALL IS ALSO IN  
EFFECT FOR PARTS OF SOUTHERN NEW JERSEY, NORTHEASTERN MARYLAND AND  
NORTHERN DELEWARE, WHERE LINGERING SHOWERS MAY PRODUCE ISOLATED  
FLASH FLOODING WEDNESDAY MORNING BEFORE THE STATIONARY FRONT TURNS  
COLD AND MOVES OFFSHORE.  
 
KEBEDE  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab HPC Page Main Text Page