Alert archive / Virginia / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 17, NWS Wakefield, VA
NWS Wakefield, VA issued this severe thunderstorm warning at May 7, 2004, 7:24 PM EDT for Caroline County, Virginia. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 7, 2004, 7:24 PM EDT (23:24 UTC)
- Expired
- May 7, 2004, 8:00 PM EDT
- In force
- 36 min
- Issued by
- NWS Wakefield, VA
- Area
- Counties, with a storm outline in the text
County Caroline County, VA
The radar
The Sterling radar (KLWX), 106 km from the middle of the area, began a volume at 23:25 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 7, 7:20 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.4 hours before the alert went out and 103 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 28 J/kg
- Mixed-layer CIN
- -314 J/kg
- Mixed-layer LCL
- 1566 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 184 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Wakefield, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 5:30 PM EDT, 1 hour 54 minutes earlier.
Area forecast discussion, May 7, 5:30 PM EDT, 1 hour 54 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WAKEFIELD VA 530 PM EDT FRI MAY 7 2004 UPDATED FCSTS SENT FOR SVR TSTM WATCH #157 WHICH INCLUDES ALL LOWER MD COUNTIES AND WESTMORELAND COUNTY VA UNTIL 10 PM. THIS WATCH IS MAINLY FOR MCS MOVING THRU FAR NW VA ATTM. CONVECTION HAS BEEN TRYING TO DEVELOP ALONG BLUE RIDGE BUT HAS FALLEN APART ENCOUNTERING THE DRY AIR AND MID LVL CAPPING OVER VA PIEDMONT. SO NOW LOOKING FOR MAIN THREAT SVR TO BE ACRS FAR NORTHERN COUNTIES BETWEEN 7 AND 10 PM. STILL CANT RULE OUT TSTM DEVELOPMENT FURTHER SOUTH INTO SOUTH CENTRAL/SOUTHEASTERN VA LATER THIS EVE SO NO OTHER CHGS TO FCST ATTM. ------------------------------------------------------------------- .OVERVIEW/SYNOPSIS...ACTIVE WEATHER IN THE SHORT TERM HAS ALL OUR ATTENTION AS SEVERAL CONVECTIVE SYSTEMS DEVELOP ALONG COLD FRONT DROPPING THRU MASON DIXON ATTM. SO FAR CONVECIVE WATCH BOXES HAVE BEEN PLACED JUST N OF AKQ COUNTY WARNING AREA BUT ANTICIPATE SEVERE WEATHER WILL ALSO BE LIKELY FOR LOWER MD/EASTERN VA LATE THIS AFTN AND EVENING. AS COLD FRONT DROPS SOUTH OF THE MID ATLC COAST LATER TONIGHT...A DRASTIC TEMPERATURE DIFF FOR MOST AS HIGHS ON SATURDAY LIKELY TO BE 15-20F COOLER THAN TODAY. && .DISCUSSION...EXPECT FIRST MCS ALONG PA/MD BORDER TO STAY N OF AKQ FORECAST AREAS THIS AFTN. MCS OF CONCERN NOW OVR SE OHIO AND SHUD CROSS MTNS OF N WVA/VA DURING RMNDR AFTN. WEAK CAPPING HAS LIMITED CU DEVELOP E OF MTNS THUS FAR...BUT UPR COOLING ASSOCD WITH MCS SHUD HELP BREAK CAP BY LATE AFTN AND CUD SEE SOME EXPLOSIVE DEVELOPMENT ACRS VA PIEDMONT IN HIGHLY VOLATILE AIRMASS. WL CONT OUR ENHANCED TSTM WORDING IN LATE AFTN/EVE FCST. MARINE LAYER FIRMLY ENTRENCHED ON SATURDAY AS STRONG SFC HIGH NOSES DOWN FROM SOUTH OF NEW ENG. MODEL TIME SECTIONS SHOW PLENTY OF LOW LVL MOISTURE SO EXPECT MOCLDY AND COOL CONDS TO PREVAIL MUCH OF THE DAY. LOW LVL WIND TRAJECTORY TURNING MORE SE/S WELL INLAND BY SAT AFTN AND ANY SUN WILL HELP TEMPS RECOVER BY LATE IN THE DAY. LOW LVL WEDGE GRADUALLY ERODES LATE SAT NIGHT INTO SUNDAY BUT MAY LINGER OVR NE FORECAST AREA EVEN THROUGH MUCH OF THE WEEKEND. HIGHS ON SUNDAY BACK TO ABV NORM OVR MOST INLAND LOCATIONS BUT MAY BE STUCK WITH MOCLOUDY/COOL CONDS OVR ERN SHORE/NRN NECK AREAS. MUCH OF NEXT WEEK LOOKS TO BE DOMINATED BY BUILDING UPR RDG OVR SE STATES SO WILL KEEP DRY FCST WITH ABV NORM TEMPS. CUD BE SOME ISOLD/SCT DIURNAL CONVECTION JUST ABOUT ANY DAY BUT SEE NO FOCUS FOR MORE ORGANIZED PCPN ATTM. GFS HINTING AT ANTHR BACKDOOR FRONT POSSIBILITY TUES NIGHT/WED BUT WL LTR ADDRESS THIS WITH LTR MODEL RUNS. && .MARINE...STILL EXPECT MARGINAL SCA CONDITIONS (MAINLY FOR SEAS) ACROSS THE NRN CSTL WATERS SAT AND POSSIBLY SAT NIGHT...AS A RESULT OF THE INCREASING NE FLOW AND LONG FETCH WITH THE HIGH STRENGTHENING OFF THE NEW ENGLAND COAST. && .AVIATION...VFR EXCEPT MVFR/IFR VCNTY TSTMS. && .PRELIMINARY POINT TEMPS/POPS... SBY 54 62 52 78 / 30 10 10 20 OXB 54 57 53 70 / 30 10 10 20 WAL 55 60 54 76 / 30 10 10 20 FVX 61 71 59 87 / 30 10 10 20 RIC 59 68 59 85 / 30 10 10 20 PTB 61 69 58 86 / 30 10 10 20 AKQ 61 68 57 85 / 30 10 10 20 PHF 60 63 57 83 / 30 10 10 20 ORF 60 64 60 83 / 30 10 10 20 ECG 62 65 61 83 / 20 10 10 20 && .AKQ WATCHES/WARNINGS/ADVISORIES... MD...NONE. VA...NONE. NC...NONE. && CULLEN(B1)/HURLEY(B2)
Hazardous weather outlook, May 7, 5:35 PM EDT, 1 hour 49 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE WAKEFIELD VA 535 PM EDT FRI MAY 07 2004 MDZ021>025-NCZ012>017-030>032-102-VAZ048-049-060>100-072330- 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- 430 AM EDT FRI MAY 07 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND EASTERN VIRGINIA... NORTHEAST NORTH CAROLINA AND THE EASTERN MARYLAND SHORE. .DAY ONE...TODAY... SEVERE THUNDERSTORM WATCH #157 IN EFFECT UNTIL 10 PM EDT FOR WESTMORELAND COUNTY IN THE NORTHERN NECK OF VIRGINIA...AND FOR THE LOWER MARYLAND EASTERN SHORE. A FEW OF THESE STORMS MAY PRODUCE LARGE HAIL AND OR DAMAGING WINDS. SEE SLSVA AND SLSDC FOR DETAILS. IN ADDITION...THERE IS A CHANCE FOR THUNDERSTORMS ACROSS THE REMAINDER OF CENTRAL AND SOUTHEAST VIRGINIA...AND NORTHEAST NORTH CAROLINA LATER THIS EVENING AND TONIGHT. SEE SPSAKQ FOR DETAILS. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED THROUGH THE PERIOD. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING AND EARLY TONIGHT. BROWN 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.
In the hours before
Special weather statement, May 7, 5:45 PM EDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED FORMAT NATIONAL WEATHER SERVICE WAKEFIELD VA 545 PM EDT FRI MAY 7 2004 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE LOWER MARYLAND EASTERN SHORE AND WESTMORELAND COUNTY UNTIL 10 PM... MDZ021>025-VAZ075-080031- DORCHESTER MD-INLAND WORCESTER MD-MARYLAND BEACHES MD-SOMERSET MD- WESTMORELAND VA-WICOMICO MD- 545 PM EDT FRI MAY 7 2004 STRONG TO SEVERE THUNDERSTORMS ARE OCCURRING OVER THE VIRGINIA HIGHLANDS LATE THIS AFTERNOON. THESE STORMS HAVE HAD A HISTORY OF PRODUCING DAMAGING WIND GUSTS AND ARE EXPECTED TO MAINTAIN THEIR INTENSITY AS THEY MOVE ACROSS NORTHERN VIRGINIA AND SOUTHERN MARYLAND THIS EVENING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST UPDATES. CULLEN
The office that day
Everything else NWS Wakefield, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 7:51 PM EDT | Severe Thunderstorm Warning | AKQ | Essex, Richmond, Westmoreland | 39 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2004Every severe thunderstorm warning in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.