Alert archive / Virginia / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 93, NWS Wakefield, VA
NWS Wakefield, VA issued this severe thunderstorm warning at Jul 7, 2004, 3:28 PM EDT for Isle of Wight County, Surry County, Virginia. It was in force for 32 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
- Jul 7, 2004, 3:28 PM EDT (19:28 UTC)
- Expired
- Jul 7, 2004, 4:00 PM EDT
- In force
- 32 min
- Issued by
- NWS Wakefield, VA
- Area
- Counties, with a storm outline in the text
Counties Isle of Wight County, VA, Surry County, VA
The radar
The Norfolk radar (KAKQ), 19 km from the middle of the area, began a volume at 19:29 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 |
|---|---|---|---|
| Jul 7, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.5 hours before the alert went out and 160 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
- 202 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 1297 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
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 Jul 7, 10:20 AM EDT, 5 hours 8 minutes earlier.
Area forecast discussion, Jul 7, 10:20 AM EDT, 5 hours 8 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WAKEFIELD VA 1020 AM EDT WED JUL 7 2004 ANOTHER TYPICAL SUMMER DAY HERE IN AKQ CWA LAND...AS HOT AND VRY HUMID CONDITIONS COMBINED WITH AN APPROACHING SHRTWV (TROF) WILL TRIGGER SCTD TSRAS THIS AFTN AND EVENG. AGAIN...ATMOS PRIMED ENUF FOR A FEW TSRAS TO BE STRNG OR SVR WITH POTENTIAL FOR DAMAGING WNDS AND HAIL. ALSO...HVY DWNPOURS WILL BE LIKELY. HIER POPS W AND LWR POPS E. ....PREVIOUS DISCUSSION.... .SYNOPSIS...TYPICAL SUMMER WX PTRN WELL ESTABLISHED ACROSS RGN AS WRN XTNSN OF BERMUDA HIGH REMAINS THE DOMINANT WX FTR. SVRL CHCS FOR PCPN EXIST DUE TO PERSISTENT TROF E OF MTS. MAY BE DEALING WITH MCS MOVMNTS ARND PERIFRY OF RIDGE BY ERLY NXT WEEK. && .SHORT TERM...PERSISTENCE RULES THE FCST TDY AS TROF AXIS REMAINS OVR RGN. SHUD SEE CONVECTION DVLPNG BY ERLY AFTRN ALONG MTS THEN DRIFT SE ACROSS FA THIS AFTRN AND EVE. ETA DVLPS SFC FTR ACROSS NC THEN DRIFTS IN N INTO PIEDMONT AFTR 18Z. THUS WILL CONT CHC POPS FA WIDE...BUT HOLDING OFF TIL LATE AFTRN CSTL AREAS. AS FOR SEVERE THREAT...PARAMETERS SUGGEST PULSE TYPE TSRA AGAIN WITH PTNTL FOR DMNGG WNDS & PSBL HAIL...AS HAS BEEN THE CASE PAST FEW DAYS. MID & HIGH LVL CLDNS FROM DSPTG MID WEST SYSTM OVRSPRDG RGN ATTM. HOWEVER...NOT OPAQUE ENUF TO SLOW DOWN SUNS HTNG. TMPS AOA 90 MOST AREAS COMBINED WITH DP TMPS IN THE L-M70S RESULTS IN HEAT INDEX VALUES ARND 100...100 TO 105 SRN INTERIOR CNTYS. PCPN GRDLY TAPERS OFF AFTR MIDNITE TONITE...BUT FIRES UP ONCE AGAIN THU AS TROF AXIS REMAINS ACROSS RGN. SO CONT POPS INTO THU NITE. FRI APPEARS DRY AS TROF AXIS SLIDES E. && .LONG TERM...MCS TYPE SYSTMS MIGRATING SE ARND BERMUDA HIGH WILL MAKE TIMING OF PCPN BY ERLY NXT WEEK DIFFICULT AT BEST. && .AVIATION...MAINLY VFR CNDTNS XPCT FCST PRD...EXCEPT LOWER VSBYS AND CIGS THIS AFTERNOON AND EVENING WITH SCT TSTRMS. && .MARINE...NO FLAGS EXPECTED WITH GENERALLY LIGHT WINDS THROUGH SUN. WAVES ON BAY GENERALLY AROUND 1 FT...2 TO 3 FT COASTAL WATERS. && .AKQ WATCHES/WARNINGS/ADVISORIES... MD...NONE. VA...NONE. NC...NONE. MARINE...NONE. && .PRELIMINARY POINT TEMPS/POPS... SBY 88 69 90 68 / 30 40 30 20 OXB 83 71 87 69 / 30 40 30 20 WAL 88 72 88 70 / 30 40 30 30 FVX 92 70 92 67 / 40 30 30 20 RIC 92 71 92 68 / 40 30 30 20 PTB 93 71 93 68 / 40 30 30 20 AKQ 92 71 92 69 / 30 40 30 30 PHF 92 72 91 71 / 30 40 30 30 ORF 90 73 91 72 / 30 40 30 30 ECG 92 74 93 73 / 30 40 30 30 && 44/18/32
Hazardous weather outlook, Jul 7, 5:30 AM EDT, 9 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WAKEFIELD VA 530 AM EDT WED JUL 07 2004 MDZ021>025-NCZ012>017-030>032-102-VAZ048-049-060>100-080900- 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- 530 AM EDT WED JUL 07 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND EASTERN VIRGINIA... NORTHEAST NORTH CAROLINA AND THE EASTERN MARYLAND SHORE. .DAY ONE...TODAY... HEAT INDEX VALUES WILL RANGE BETWEEN 100 AND 105 DEGREES OVER INLAND PORTIONS OF VIRGINIA AND NORTH CAROLINA. ISOLATED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING. A FEW STRONG TO SEVERE STORMS ARE POSSIBLE...PRODUCING GUSTY WINDS AND HAIL. SEE SPSAKQ FOR DETAILS. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING. FORECASTER ID 44 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
Local storm report, Jul 7, 2:26 PM EDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
226 PM EDT WED JUL 07 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0115 PM TSTM WND DMG 5 NNW DOWNTOWN RICHMOND 37.60N 77.51W
07/07/2004 HENRICO VA PUBLIC
SEVERAL TREES DOWN NEAR I-295 AND STAPLES MILL RD.
&&
SAMMLERLocal storm report, Jul 7, 2:48 PM EDT, 40 minutes before
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</html>The office that day
Everything else NWS Wakefield, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 12:38 PM EDT | Severe Thunderstorm Warning | AKQ | Amelia, Powhatan | 37 min |
| Jul 7, 12:41 PM EDT | Severe Thunderstorm Warning | AKQ | Amelia | 34 min |
| Jul 7, 1:14 PM EDT | Severe Thunderstorm Warning | AKQ | Hanover, Henrico | 31 min |
| Jul 7, 1:35 PM EDT | Severe Thunderstorm Warning | AKQ | Caroline, Essex, King and Queen | 25 min |
| Jul 7, 2:01 PM EDT | Severe Thunderstorm Warning | AKQ | Prince George | 29 min |
| Jul 7, 2:10 PM EDT | Severe Thunderstorm Warning | AKQ | Essex, Lancaster, Northumberland, Richmond, Westmoreland | 50 min |
| Jul 7, 2:19 PM EDT | Severe Thunderstorm Warning | AKQ | Surry, Sussex | 26 min |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | AKQ | Prince George | 30 min |
| Jul 7, 2:42 PM EDT | Severe Thunderstorm Warning | AKQ | Surry | 33 min |
| Jul 7, 2:46 PM EDT | Severe Thunderstorm Warning | AKQ | Dinwiddie, Greensville, Southampton, Sussex, City of Emporia | 29 min |
| Jul 7, 2:49 PM EDT | Special Marine Warning | AKQ | 86 min | |
| Jul 7, 3:17 PM EDT | Severe Thunderstorm Warning | AKQ | Southampton, Sussex | 28 min |
| Jul 7, 3:35 PM EDT | Special Marine Warning | AKQ | 85 min | |
| Jul 7, 3:54 PM EDT | Severe Thunderstorm Warning | AKQ | Isle of Wight, Surry | 21 min |
| Jul 7, 3:55 PM EDT | Severe Thunderstorm Warning | AKQ | James City, York, City of Hampton, City of Newport News, City of Poquoson, City of Williamsburg | 35 min |
| Jul 7, 4:12 PM EDT | Special Marine Warning | AKQ | 63 min | |
| Jul 7, 4:28 PM EDT | Special Marine Warning | AKQ | 92 min | |
| Jul 7, 4:34 PM EDT | Severe Thunderstorm Warning | AKQ | City of Virginia Beach | 26 min |
| Jul 7, 4:38 PM EDT | Severe Thunderstorm Warning | AKQ | City of Chesapeake, City of Norfolk, City of Portsmouth | 22 min |
| Jul 7, 4:46 PM EDT | Severe Thunderstorm Warning | AKQ | City of Suffolk | 29 min |
| Jul 7, 4:58 PM EDT | Special Marine Warning | AKQ | 62 min | |
| Jul 7, 5:11 PM EDT | Severe Thunderstorm Warning | AKQ | City of Chesapeake | 34 min |
| Jul 7, 5:32 PM EDT | Special Marine Warning | AKQ | 58 min | |
| Jul 7, 5:46 PM EDT | Severe Thunderstorm Warning | AKQ | City of Virginia Beach | 29 min |
| Jul 7, 5:55 PM EDT | Special Marine Warning | AKQ | 65 min | |
| Jul 7, 7:45 PM EDT | Special Marine Warning | AKQ | 60 min | |
| Jul 7, 3:43 PM EDT | Severe Thunderstorm Warning | AKQ | Northampton | 47 min |
| Jul 7, 4:12 PM EDT | Severe Thunderstorm Warning | AKQ | Hertford, Northampton | 33 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.