Severe Thunderstorm Warning 214, NWS Raleigh, NC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RALEIGH NC
827 PM EDT THU SEP 14 2000

APPROACHING SHORT WAVE FROM THE WEST IS CAUSING ENHANCED UPPER LEVEL
DIVERGENCE.  SURFACE MOISTURE CONVERGENCE OF 70 TO 75 DEGREE DEW
POINT AIR IS INDICATED OVER CENTRAL NC POINTING TOWARD THE NORTHWEST
PIEDMONT AT 00Z.  THIS SHOULD CONTINUE TO FEED THE AREA OF DEEP
CONVECTION NOW MOVING EAST OF THE NORTHERN FOOTHILLS TO THE
NORTHWEST EDGE OF THE RAH CWA.  CURRENT TRENDS APPEAR TO SUPPORT THE
18Z MESOETA SOLUTION OF A NARROW BAND OF ENHANCED UPWARD VERTICAL
MOTION MOVING ACROSS THE CWA DURING THE NIGHT.

GSO RAOB NOT YET IN AT 0025Z BUT TIMELY ARRIVAL OF 00Z RNK SOUNDING
CONFIRMS AVAILABLE INSTABILITY... LOW LEVEL MOISTURE...MID LEVEL
DRYING...AND STRENGTHENING WINDS AROUND THE 850 MB LEVEL TO SUPPORT
OVERNIGHT CONVECTION.

POPS AND WORDING WILL INDICATE GREATER COVERAGE OF SCATTERED SHOWERS
AND THUNDERSTORMS... AT LEAST OVER THE NORTHERN SECTIONS OF THE CWA
TONIGHT.  THE MENTION OF LOCALLY HEAVY RAIN AND GUSTY WINDS MAY ALSO
BE NEEDED WITH THE STORMS TRACKING ACROSS THE NORTHERN TIER.

.RAH...NONE.

RFG

NCZ023>025-039>041-142220-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
458 PM EDT THU SEP 14 2000

...THUNDERSTORMS WITH HEAVY RAIN CONTINUE OVER THE PIEDMONT...
SEVERAL CLUSTERS OF THUNDERSTORMS CONTINUE TO DROP HEAVY RAIN OVER
THE PIEDMONT AT 450 PM. ONE CLUSTER OF THUNDERSTORMS WITH HEAVY
RAIN WAS MOVING SLOWLY EAST AT 15 MPH ACROSS SOUTHEAST RANDOLPH AND
WESTERN CHATHAM COUNTY FROM COLERIDGE TO SILER CITY. ANOTHER
CLUSTER OF THUNDERSTORMS WITH HEAVY RAIN WAS MOVING MORE TO THE
NORTHEAST AT 15 MPH ACROSS AREAS FROM CENTRAL ORANGE COUNTY EAST TO
CENTRAL DURHAM COUNTY AND SOUTHEAST INTO WAKE COUNTY FROM
HILLSBOROUGH TO DURHAM TO MORRISVILLE.

RADAR AND SPOTTERS INDICATE 1 TO 2 INCHES OF RAINFALL IN AN HOUR
WITH THESE STORMS. THIS HAS CAUSED MINOR FLOODING OF STREETS AND
ROADS CREATING POOR DRIVING CONDITIONS. THESE CLUSTERS OF STORMS
WILL CONTINUE TO MOVE EAST-NORTHEAST AND AFFECT MUCH OF CHATHAM
COUNTY THROUGH 600 PM INCLUDING SILER CITY AND PITTSBORO. THE OTHER
CLUSTER OF STORMS WILL CONTINUE TO DROP HEAVY RAIN FROM
HILLSBOROUGH TO ROUGEMONT AND DURHAM TO FALLS LAKE. ADDITIONAL
THUNDERSTORM DEVELOPMENT WILL LIKELY OCCUR TO THE NORTH OVER
ROXBORO TO NEAR OXFORD AND STOVALL.

FREQUENT AND INTENSE LIGHTNING HAS BEEN REPORTED WITH THESE STORMS
AS WELL. EVERYONE IN AND NEAR THE PATH  OF THESE STORMS SHOULD SEEK
A SAFE SHELTER INDOORS UNTIL THUNDER IS NO LONGER HEARD. MOTORISTS
SHOULD USE EXTREME CAUTION DUE TO THE BLINDING DOWNPOURS ESPECIALLY
OVER THE DURHAM AND ORANGE SIDE OF THE TRIANGLE THROUGH THE EVENING
RUSH HOUR.

PLEASE STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR FURTHER
UPDATES.

BADGETT

N

NCZ007>011-024>026-040-041-076-077-088-142255-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
603 PM EDT THU SEP 14 2000

...THUNDERSTORMS ON THE WANE...

SEVERAL CLUSTERS OF THUNDERSTORMS CONTINUED ACROSS THE PIEDMONT AND
SANDHILLS AT 600 PM. HOWEVER... THE ACTIVITY HAS GREATLY
DIMINISHED DURING THE PAST HOUR. THIS DIMINISHING TREND IS EXPECTED
TO CONTINUE.

A CLUSTER OF THUNDERSTORMS MOVING NORTHEAST AT 20 MPH WILL CONTINUE
TO BRING BRIEF HEAVY RAIN ALONG THE NORTH CAROLINA AND VIRGINIA
BORDER COUNTIES FROM PERSON EAST TO HALIFAX THROUGH 630 PM... BUT
THE TREND WILL CONTINUE FOR THE STORMS TO PUSH INTO SOUTHERN
VIRGINIA BY 630 PM. THE HEAVIEST RAIN WILL OCCUR JUST NORTH OF A
LINE FROM OAK HILL IN NORTHERN GRANVILLE COUNTY... EAST TO THE KERR
LAKE RESERVOIR IN NORTHERN VANCE COUNTY.

SEVERAL OTHER CLUSTERS OF THUNDERSTORMS WILL AFFECT THE WESTERN
AREAS OF THE TRIANGLE FROM NEAR HILLSBOROUGH TO CHAPEL HILL AND
JORDAN LAKE AND ALSO AREAS AROUND HOPE MILLS IN SOUTHWEST
CUMBERLAND COUNTY THROUGH 630 PM OR 700 PM. BRIEF HEAVY RAIN AND
OCCASIONAL LIGHTNING WILL OCCUR AS THE ACTIVITY MOVES NORTHEAST AT
15 TO 20 MPH.

EVERYONE IN OR NE@AR THE PATH OF THESE STORMS SHOULD SEEK SHELTER
INDOORS UNTIL THUNDER IS NO LONGER HEARD. LISTEN TO NOAA WEATHER
RADIO OR LOCAL MEDIA FOR THE LATEST INFORMATION FROM THE NATIONAL
WEATHER SERVICE.

BADGETT

N

NCZ021>024-150240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
926 PM EDT THU SEP 14 2000

...STRONG THUNDERSTORMS ARE POISED TO MOVE INTO PORTIONS OF THE
TRIAD AREA...

AT 920 PM... A CLUSTER OF STRONG THUNDERSTORMS OVER EASTERN STOKES
AND WESTERN ROCKINGHAM COUNTIES CONTINUES TO DEVELOP TO THE EAST AND
SOUTH TOWARD NORTHEAST FORSYTH AND NORTHERN GUILFORD COUNTIES.
THESE THUNDERSTORMS ARE EXPECTED TO CONTINUE DEVELOPING AND MOVING
SOUTHEAST TOWARD THE PIEDMONT-TRIAD AIRPORT... KERNERSVILLE AND
GREENSBORO BETWEEN 930 AND 1000 PM. FREQUENT LIGHTNING... VERY
HEAVY RAIN... AND GUSTY WIND TO 40 MPH WILL ACCOMPANY THESE
THUNDERSTORMS. THE STORMS SHOULD BEGIN TO AFFECT AREAS FROM RURAL
HALL TO STOKESDALE BY 930 PM... AND KERNERSVILLE...COLFAX AND THE
PIEDMONT-TRIAD AIRPORT REGION BETWEEN 930 AND 945 PM. THE CITY OF
GREENSBORO SHOULD SEE THESE STORMS BY 945 PM.

EVERYONE SHOULD SEEK SHELTER INDOORS UNTIL THESE STORMS PASS.
FREQUENT LIGHTNING WILL POSE A DANGER IN OR NEAR THESE STORMS.
MOTORISTS ARE URGED TO BE EXTRA CAUTIOUS OR DELAY TRAVEL PLANS FOR
AN HOUR OR SO DUE TO THE BLINDING DOWNPOURS AND GUSTY WINDS.

LISTEN TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE LATEST
INFORMATION FROM THE NATIONAL WEATHER SERVICE.

BADGETT
N