Alert archive / Virginia / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 99, NWS Wakefield, VA
NWS Wakefield, VA issued this severe thunderstorm warning at Jul 7, 2004, 4:38 PM EDT for City of Chesapeake, City of Norfolk, City of Portsmouth, Virginia. It was in force for 22 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, 4:38 PM EDT (20:38 UTC)
- Expired
- Jul 7, 2004, 5:00 PM EDT
- In force
- 22 min
- Issued by
- NWS Wakefield, VA
- Area
- Whole counties
Counties City of Chesapeake, VA, City of Norfolk, VA, City of Portsmouth, VA
The radar
The Norfolk radar (KAKQ), 66 km from the middle of the area, began a volume at 20:39 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, 8.6 hours before the alert went out and 148 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, 3:50 PM EDT, 48 minutes earlier.
Area forecast discussion, Jul 7, 3:50 PM EDT, 48 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WAKEFIELD VA 350 PM EDT WED JUL 7 2004 .SYNOPSIS...SFC TROF ASSOC WITH SHRTWV MOVES THRU REGION THIS EVNG/OVRNGT. COLD FRNT PUSHES ACRS FA THU INTO THU NGT. WK SFC HI/UA RDG BLDS OVR REGION FOR FRI INTO SUN. ANOTHER FRNT AFFECTS THE AREA MON INTO TUE. && .SHORT TERM...(TONIGHT THRU FRI)...STRNG/SVR TSRAS PUSHING ACRS FA LATE THIS AFTN/EVENG ASSOC WITH SFC TROF COMBINING WITH VRY UNSTABLE AIRMASS. THIS TROF WILL MOVE OFFSHR LATER THIS EVENG...WITH PCPN ENDING AND PRTLY CLDY SKY. COLD FRNT WILL THEN PUSH ACRS FA THU INTO THU EVENG. THIS FRNT RUNNING INTO HOT AND HUMID AIRMASS...CUD AGAIN TRIGGER SCTD TSRAS...ESPLY DURING AFTN/EVENG HRS. FRNT THEN SINKS SE OF CWA BY FRI MORNG...WITH WK SFC HI/UA RDG BLDG IN FOR THE REMAINDER OF FRI. && .LONG TERM...(SAT THRU WED)...UA RDG SHUD MAINTAIN DRY BUT VRY WRM CONDITIONS SAT INTO SUN. ANOTHER FRNT WILL AFFECT THE AREA WITH SLGT CHCS FOR TSRAS POSSIBLE SUN NGT INTO TUE. && .AVIATION...LOCAL MVFR/IFR WITH TSRAS THIS EVENG AND FOG OVRNGT. IMPROVING TO VFR LATER IN THE MORNG THU. && .MARINE...LGT WNDS OVRALL THRU THE PERIOD. NO FLAGS. && .AKQ WATCHES/WARNINGS/ADVISORIES... MD...NONE. VA...NONE. NC...NONE. MARINE...NONE. && .PRELIMINARY POINT TEMPS/POPS... SBY 69 89 68 89 / 40 30 30 10 OXB 70 87 69 87 / 40 30 30 10 WAL 70 88 69 89 / 40 30 30 10 FVX 67 92 67 91 / 20 30 10 10 RIC 70 92 69 91 / 20 30 10 10 PTB 71 93 70 91 / 20 30 10 10 AKQ 71 92 70 91 / 20 30 30 10 PHF 73 92 71 91 / 40 30 30 10 ORF 75 92 74 90 / 40 30 30 10 ECG 76 93 74 91 / 40 30 30 10 && 32/19
Hazardous weather outlook, Jul 7, 5:30 AM EDT, 11 hours 8 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, 3:59 PM EDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
359 PM EDT WED JUL 07 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0347 PM TSTM WND DMG IVOR 36.90N 76.90W
07/07/2004 SOUTHAMPTON VA LAW ENFORCEMENT
SHED DESTROYED
&&
CYLocal storm report, Jul 7, 4:09 PM EDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
409 PM EDT WED JUL 07 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0400 PM WATER SPOUT NE FORT MONROE 37.01N 76.31W
07/07/2004 CITY OF HAMPTON VA TRAINED SPOTTER
&&
CYSpecial weather statement, Jul 7, 4:18 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WAKEFIELD VA 418 PM EDT WED JUL 7 2004 VAZ095-098-072045- NORFOLK/PORTSMOUTH VA-VIRGINIA BEACH VA- 418 PM EDT WED JUL 7 2004 ...STRONG THUNDERSTORMS TO CLIP PORTIONS OF PORTSMOUTH...NORFOLK AND NORTHERN VIRGINIA BEACH.. AT 418 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS FROM 5 MILES NORTHWEST OF OCEAN VIEW TO CHURCHLAND...MOVING EAST AT 45 MPH. THE THUNDERSTORMS WILL AFFECT MAINLY THE NORTHERN AREAS OF DOWNTOWN NORFOLK AND DOWNTOWN PORTSMOUTH...AND NEAR THE SHORE OF THE CHESAPEAKE BAY IN NORTHERN VIRGINIA BEACH THROUGH 445 PM. WIND GUSTS TO 45 MPH ARE POSSIBLE WITH THESE STORM. EXPECT FREQUENT DANGEROUS LIGHTNING AND RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL CAUSE PONDING OF WATER ON ROADWAYS AND POSSIBLE LOCALIZED FLOODING IN LOW LYING AND POOR DRAINAGE AREAS. 25
Special weather statement, Jul 7, 4:24 PM EDT, 14 minutes before
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</html>Local storm report, Jul 7, 4:28 PM EDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
428 PM EDT WED JUL 07 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0420 PM TSTM WND DMG COMO 36.50N 77.01W
07/07/2004 HERTFORD NC LAW ENFORCEMENT
TREES DOWN ACROSS RTE 258
&&
CYLocal storm report, Jul 7, 4:33 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
433 PM EDT WED JUL 07 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
1240 PM HAIL CHULA 37.39N 77.90W
07/07/2004 0.75 INCH AMELIA VA TRAINED SPOTTER
PENNY SIZE HAIL
&&
CYThe 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, 3:28 PM EDT | Severe Thunderstorm Warning | AKQ | Isle of Wight, Surry | 32 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, 4:46 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.