Severe Thunderstorm Warning 121, NWS Wakefield, VA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WAKEFIELD VA
345 PM EDT WED JUL 14 2004

.SYNOPSIS...
LATEST SURFACE ANALYSIS INDICATES A COLD FRONT MOVING EWD ACROSS WRN
VA...WITH TSTRMS OUT AHD OF FRONT. MOST OF THESE ARE N OF THE AKQ
FA...AS STORM THE DEVELOPED EARLIER OVER CUMBERLAND COUNTY WEAKENED
AS IT MOVED INTO APPARENTLY A WEAKLY CAPPED AMS. HOWEVER...LINE
BEGINNING TO DEVELOP JUST N OF THE AREA...AND THIS WILL LIKELY
EFFECT OUR NORTHERN COUNTIES OVER NEXT FEW HOURS. WATER VAPOR AND
UPPER AIR DATA SHOW UPPER VORT TRACKING WELL N OF THE AREA...AS WELL
AS ABUNDANT DRY AIR IN THE MID LEVELS.

 &&

.SHORT TERM (TONIGHT AND THU)...SFC TROF TO MOVE ACROSS THE AREA
TONIGHT...FOLLOWED CLOSELY BY COLD FRONT OVERNIGHT. THIS SHOULD
ALLOW REMAINING TSTMS TO PUSH E OF THE AREA EARLY TONIGHT.
TOMORROW SHOULD BE A REFRESHING CHANGE...WITH DEWPTS DROPPING BACK
INTO THE LOWER 60S...WHICH WILL BE A NOTICEABLE DIFFERENCE FROM THE
MID TO UPPER 70S WEVE EXPERIENCED THE PAST FEW DAYS. GIVEN THE
LOWER HUMIDITY...WILL GO DRY FOR THU.

&&

.LONG TERM (FRI THROUGH NEXT WED)...FRI AND SAT APPEAR DRY...WITH
CONTINUED LOWER HUMIDITY LEVELS...AND FRONT STALLED OUT JUST TO OUR
S. A GOOD AMT OF UNCERTAINTY BEYOND SAT.BMEDIUM RANGE MODELS FAIRLY
CONSISTENT IN SHOWING A LOW PRESSURE SYSTEM APPROACHING FROM THE W ON
SUN. AT UPPER LEVELS...TREND IS FOR A RIDGE BUILDING OVER THE WESTERN
US...AND UPPER TROF DEEPENS OVER THE EAST...WITH UPPER LOW TENDING TO
CUT OFF OVER THE MID ATLC. AGREE WITH FCSTR CONSENSUS AND HPC IN
GOING WITH MORE PESSIMISTIC FORECAST FOR MON AND TUE...WITH DEEP
CYCLONIC FLOW FCST. NEXT WED WILL DEPEND ON WHETHER UPPER LOW LIFTS
OUT...BUT TOO FAR OUT TO MAKE A CALL ON THAT. HAVE GONE WITH 20 POP
FOR KNOW.

&&

.AVIATION...
VFR...EXCEPT IFR IN ISOLD TO SCT TSTRMS THIS EVENING.
&&

.MARINE...
NO FLAGS NEXT 5 DAYS...WITH GENERALLY LIGHT WINDS.
&&

.AKQ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
VA...NONE.
NC...NONE.
MARINE...NONE.

&&

.PRELIMINARY POINT TEMPS/POPS...
SBY   65  85  62  85 /  40  10  10  10
OXB   67  84  65  82 /  40  10  10  10
WAL   70  85  68  86 /  40  10  10  10
FVX   66  87  63  87 /  20  10  10  10
RIC   68  87  64  87 /  30  10  10  10
PTB   68  88  63  87 /  30  10  10  10
AKQ   68  88  64  87 /  30  10  10  10
PHF   70  87  67  87 /  30  10  10  10
ORF   73  87  70  87 /  30  10  10  10
ECG   72  88  69  87 /  30  10  10  10
&&

18/33

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
535 AM EDT WED JUL 14 2004

MDZ021>025-NCZ012>017-030>032-102-VAZ048-049-060>100-150900-
ACCOMACK VA-AMELIA VA-BERTIE NC-BRUNSWICK VA-CAMDEN NC-CAROLINE VA-
CHARLES CITY VA-CHESAPEAKE VA-CHESTERFIELD VA-CHOWAN NC-
CUMBERLAND VA-DINWIDDIE VA-DORCHESTER MD-EASTERN CURRITUCK NC-
ESSEX VA-FLUVANNA VA-GATES NC-GLOUCESTER VA-GOOCHLAND VA-
GREENSVILLE VA-HANOVER VA-HENRICO VA-HERTFORD NC-INLAND WORCESTER MD-
ISLE OF WIGHT VA-JAMES CITY VA-KING AND QUEEN VA-KING WILLIAM VA-
LANCASTER VA-LOUISA VA-LUNENBURG VA-MARYLAND BEACHES MD-MATHEWS VA-
MECKLENBURG VA-MIDDLESEX VA-NEW KENT VA-NEWPORT NEWS/HAMPTON VA-
NORFOLK/PORTSMOUTH VA-NORTHAMPTON VA-NORTHAMPTON NC-
NORTHUMBERLAND VA-NOTTOWAY VA-PASQUOTANK NC-PERQUIMANS NC-
POWHATAN VA-PRINCE EDWARD VA-PRINCE GEORGE VA-RICHMOND VA-
SOMERSET MD-SOUTHAMPTON VA-SUFFOLK VA-SURRY VA-SUSSEX VA-
VIRGINIA BEACH VA-WESTERN CURRITUCK NC-WESTMORELAND VA-WICOMICO MD-
YORK VA-
535 AM EDT WED JUL 14 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND EASTERN VIRGINIA...
NORTHEAST NORTH CAROLINA AND THE EASTERN MARYLAND SHORE.

.DAY ONE...TODAY...
THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS PLACED THE
REGION IN AN AREA FOR A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH
THIS EVENING. A COLD FRONT WILL CROSS THE REGION THIS AFTERNOON AND
EVENING. HOT AND HUMID AIR AHEAD OF THE COLD FRONT AND STRONG WINDS
ALOFT WILL PROVIDE AN ENVIRONMENT CONDUCIVE TO THE DEVELOPMENT OF
SEVERE THUNDERSTORMS. THE MAIN THREATS WITH THESE STORMS WILL BE
DAMAGING WINDS AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED TODAY.

FORECASTER ID
32

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...AND
STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
WAKEFIELD, VA CAN BE FOUND ON THE INTERNET AT THE FOLLOWING
(LOWER CASE): HTTP://WWW.ERH.NOAA.GOV/AKQ.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
618 PM EDT WED JUL 14 2004

MDZ021>025-VAZ048-049-060>100-142300-
ACCOMACK VA-AMELIA VA-BRUNSWICK VA-CAROLINE VA-CHARLES CITY VA-
CHESAPEAKE VA-CHESTERFIELD VA-CUMBERLAND VA-DINWIDDIE VA-
DORCHESTER MD-ESSEX VA-FLUVANNA VA-GLOUCESTER VA-GOOCHLAND VA-
GREENSVILLE VA-HANOVER VA-HENRICO VA-INLAND WORCESTER MD-
ISLE OF WIGHT VA-JAMES CITY VA-KING AND QUEEN VA-KING WILLIAM VA-
LANCASTER VA-LOUISA VA-LUNENBURG VA-MARYLAND BEACHES MD-MATHEWS VA-
MECKLENBURG VA-MIDDLESEX VA-NEW KENT VA-NEWPORT NEWS/HAMPTON VA-
NORFOLK/PORTSMOUTH VA-NORTHAMPTON VA-NORTHUMBERLAND VA-NOTTOWAY VA-
POWHATAN VA-PRINCE EDWARD VA-PRINCE GEORGE VA-RICHMOND VA-
SOMERSET MD-SOUTHAMPTON VA-SUFFOLK VA-SURRY VA-SUSSEX VA-
VIRGINIA BEACH VA-WESTMORELAND VA-WICOMICO MD-YORK VA-
618 PM EDT WED JUL 14 2004

...TORNADO WATCH CONTINUES UNTIL 7 PM FOR MUCH OF CENTRAL AND
SOUTHERN VIRGINIA AND THE MARYLAND AND VIRGINIA EASTERN SHORES...

AT 620 PM...WEATHER SERVICE RADAR SHOWED NUMEROUS THUNDERSTORMS OVER
CENTRAL VIRGINIA AND THE MARYLAND VIRGINIA EASTERN SHORE. THE
STRONGEST STORMS WILL CONTINUE TO PRODUCE LARGE HAIL AND DAMAGING
WINDS. CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF AN ISOLATED
TORNADO IN THE WATCH AREA.

ADVANCE PLANNING DURING A WATCH IS ESSENTIAL. PERSONS SHOULD KNOW
WHERE TO GO AND WHAT TO DO IN THE EVENT A TORNADO WARNING IS ISSUED.
REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OFFICIALS AND ASK THEM
TO RELAY YOUR INFORMATION TO THE NATIONAL WEATHER SERVICE.

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