648 
WWUS82 KRAH 171318
SPSRAH
NCZ007>011-021>028-038>043-073>078-083>086-088-089-172000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
915 AM EDT SUN AUG 17 2003

THIS OUTLOOK IS FOR CENTRAL NORTH CAROLINA FOR THIS AFTERNOON AND 
THIS EVENING.

.SKYWARN SPOTTERS...
SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON. ACTIVATION 
TIME COULD START AS EARLY AS 12 NOON....BUT IS MORE LIKELY BETWEEN
2 PM AND 10 PM. SPOTTERS ARE ENCOURAGED TO REPORT THREATENING 
WEATHER OF ANY KIND TO THE NATIONAL WEATHER SERVICE.

.SYNOPTIC PATTERN...
A WEAK SURFACE BOUNDARY WILL DRIFT SOUTH INTO CENTRAL NORTH CAROLINA 
THIS AFTERNOON AND TONIGHT. THIS BOUNDARY COUPLED WITH A MOIST AND 
VERY UNSTABLE AIRMASS WILL SERVE AS A FOCUS FOR THE DEVELOPMENT OF 
SCATTERED THUNDERSTORMS THIS AFTERNOON AND TONIGHT.

HAZARDOUS WEATHER DETAILS...
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP EARLY THIS AFTERNOON 
AND LINGER INTO THE EVENING HOURS. THE PRIMARY SEVERE WEATHER THREAT 
WILL BE LARGE HAIL AND DAMAGING DOWNBURST WINDS. SINCE THE AIRMASS 
IS VERY MOIST...THE THUNDERSTORMS WILL ALSO PRODUCE LOCALLY 
EXCESSIVE RAINFALL...POSSIBLY RESULTING IN THE FLOODING OF CREEKS 
AND POOR DRAINAGE AREAS. 

STAY TUNED TO NOAA WEATHER RADIO OR OTHER RELIABLE SOURCES OF 
WEATHER INFORMATION FOR ADDITIONAL STATEMENTS OR POSSIBLE WATCHES 
AND WARNINGS.

$$

WSS/MLM