Alert archive / Virginia / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 178, NWS Wakefield, VA
NWS Wakefield, VA issued this severe thunderstorm warning at Jun 20, 2009, 3:25 PM EDT for Northumberland County, Westmoreland County, Virginia. It was in force for 50 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
- Jun 20, 2009, 3:25 PM EDT (19:25 UTC)
- Expired
- Jun 20, 2009, 4:15 PM EDT
- In force
- 50 min
- Issued by
- NWS Wakefield, VA
- Area
- Storm-based polygon
The radar
The Norfolk radar (KAKQ), 117 km from the middle of the area, began a volume at 19:28 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 |
|---|---|---|---|
| Jun 20, 3:05 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.4 hours before the alert went out and 109 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
- 1201 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 690 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.7
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 Jun 20, 2:07 PM EDT, 1 hour 18 minutes earlier.
Area forecast discussion, Jun 20, 2:07 PM EDT, 1 hour 18 minutes before
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</html>Hazardous weather outlook, Jun 20, 3:09 PM EDT, 16 minutes before
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Special weather statement, Jun 20, 12:02 PM EDT, 3 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WAKEFIELD VA 1202 PM EDT SAT JUN 20 2009 MDZ021-VAZ064-074-075-201700- CAROLINE VA-DORCHESTER MD-ESSEX VA-WESTMORELAND VA- 1202 PM EDT SAT JUN 20 2009 ...STRONG THUNDERSTORMS MOVING FROM NORTHEAST VIRGINIA TOWARDS THE LOWER MARYLAND EASTERN SHORE... AT 1158 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS FROM 39 MILES NORTHWEST OF COLONIAL BEACH TO 33 MILES WEST OF MILFORD...OR FROM 6 MILES WEST OF SPRINGFIELD TO LOUISA...MOVING EAST AT 45 MPH. THE STRONG THUNDERSTORMS WILL BE NEAR COLONIAL BEACH AROUND 1225 PM EDT... MILFORD AROUND 1240 PM EDT... CAMBRIDGE AROUND 100 PM EDT... WIND GUSTS TO 45 MPH...SMALL HAIL AND FREQUENT CLOUD TO GROUND LIGHTNING ARE EXPECTED IN THE PATH OF THESE STORMS. IF YOU HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE INTO A SAFE SHELTER BEFORE THESE STORMS REACH YOUR AREA. REMAIN INDOORS UNTIL THE STORMS HAVE PASSED. LEWITSKY
Special weather statement, Jun 20, 1:00 PM EDT, 2 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WAKEFIELD VA 100 PM EDT SAT JUN 20 2009 MDZ021>025-VAZ099-201800- ACCOMACK VA-DORCHESTER MD-INLAND WORCESTER MD-MARYLAND BEACHES MD-SOMERSET MD-WICOMICO MD- 100 PM EDT SAT JUN 20 2009 ...SHOWERS AND THUNDERSTORMS APPROACHING THE LOWER MARYLAND EASTERN SHORE... AT 1258 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS FROM 19 MILES NORTH OF SALISBURY TO 27 MILES WEST OF CRISFIELD...OR FROM SEAFORD TO 14 MILES NORTHEAST OF CALLAO...MOVING EAST AT 40 MPH. THE THUNDERSTORMS WILL BE NEAR... SALISBURY AROUND 115 PM EDT... CRISFIELD AROUND 135 PM EDT... SNUG HARBOR AROUND 150 PM EDT... WIND GUSTS TO 40 MPH...LOCALLY HEAVY DOWNPOURS AND FREQUENT LIGHTNING CAN BE EXPECTED IN THE PATH OF THESE STORMS. RUNOFF FROM THE HEAVY RAINFALL WILL LIKELY RESULT IN PONDING OF WATER ON ROADWAYS. IF YOU HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE INTO A SAFE SHELTER BEFORE THESE STORMS REACH YOUR AREA. REMAIN INDOORS UNTIL THE STORMS HAVE PASSED. 44
Special weather statement, Jun 20, 1:49 PM EDT, 1 hour 36 minutes before
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</html>Special weather statement, Jun 20, 2:09 PM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WAKEFIELD VA 209 PM EDT SAT JUN 20 2009 VAZ099-201915- ACCOMACK VA- 209 PM EDT SAT JUN 20 2009 ...STRONG THUNDERSTORM APPROACHING ACCOMACK COUNTY... AT 208 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 36 MILES WEST OF CHINCOTEAGUE...OR ABOUT 15 MILES SOUTHWEST OF CRISFIELD...MOVING SOUTHEAST AT 25 MPH. THE STRONG THUNDERSTORM WILL BE NEAR HARBORTON AT 235 PM EDT...PUNGOTEAGUE... AND...ONANCOCK AT 240 PM EDT...MELFA...AND...KELLER AT 245 PM EDT... LOCUSTVILLE AT 250 PM EDT...WACHAPREAGUE...AND...QUINBY AT 255 PM EDT. WIND GUSTS TO 45 MPH...SMALL HAIL AND FREQUENT CLOUD TO GROUND LIGHTNING ARE EXPECTED IN THE PATH OF THIS STORM. IF YOU HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE INTO A SAFE SHELTER BEFORE THIS STORM REACHES YOUR AREA. REMAIN INDOORS UNTIL THE STORM HAS PASSED. LEWITSKY
Special weather statement, Jun 20, 2:24 PM EDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WAKEFIELD VA 224 PM EDT SAT JUN 20 2009 VAZ099-100-201930- ACCOMACK VA-NORTHAMPTON VA- 224 PM EDT SAT JUN 20 2009 ...STRONG THUNDERSTORMS APPROACHING THE VIRGINIA EASTERN SHORE... AT 223 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS FROM 24 MILES WEST OF EXMORE TO 18 MILES WEST OF CAPE CHARLES...OR FROM 9 MILES EAST OF KILMARNOCK TO NEW POINT COMFORT...MOVING EAST AT 30 MPH. THE STRONG THUNDERSTORMS WILL BE NEAR CAPE CHARLES AROUND 255 PM EDT. WIND GUSTS TO 45 MPH...SMALL HAIL AND FREQUENT CLOUD TO GROUND LIGHTNING ARE EXPECTED IN THE PATH OF THESE STORMS. IF YOU HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE INTO A SAFE SHELTER BEFORE THESE STORMS REACH YOUR AREA. REMAIN INDOORS UNTIL THE STORMS HAVE PASSED. LEWITSKY
Special weather statement, Jun 20, 3:12 PM EDT, 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WAKEFIELD VA 312 PM EDT SAT JUN 20 2009 VAZ064-074>077-202015- CAROLINE VA-ESSEX VA-NORTHUMBERLAND VA-RICHMOND VA-WESTMORELAND VA- 312 PM EDT SAT JUN 20 2009 ...STRONG THUNDERSTORMS MOVING INTO THE NORTHERN NECK OF VIRGINIA... AT 312 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS 9 MILES WEST OF COLONIAL BEACH...MOVING SOUTHEAST AT 35 MPH. THE STRONG THUNDERSTORMS WILL BE NEAR POTOMAC BEACH AT 320 PM EDT...COLONIAL BEACH AT 325 PM EDT...POTOMAC MILLS AT 330 PM EDT...POTOMAC MILLS AT 335 PM EDT...WESTMORELAND STATE PARK AT 340 PM EDT...CURRIOMAN LANDING AT 345 PM EDT. WIND GUSTS TO 40 MPH...SMALL HAIL AND FREQUENT CLOUD TO GROUND LIGHTNING ARE EXPECTED IN THE PATH OF THESE STORMS. IF YOU HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE INTO A SAFE SHELTER BEFORE THESE STORMS REACH YOUR AREA. REMAIN INDOORS UNTIL THE STORMS HAVE PASSED. SMF
The office that day
Everything else NWS Wakefield, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 8:15 PM EDT | Tornado Warning | AKQ | Amelia, Chesterfield, Cumberland, Powhatan | 30 min |
| Jun 19, 8:35 PM EDT | Severe Thunderstorm Warning | AKQ | Amelia, Chesterfield, Dinwiddie, Nottoway, Prince Edward | 55 min |
| Jun 19, 9:09 PM EDT | Severe Thunderstorm Warning | AKQ | Amelia, Cumberland, Fluvanna, Goochland, Powhatan | 51 min |
| Jun 19, 9:40 PM EDT | Tornado Warning | AKQ | Amelia, Cumberland | 22 min |
| Jun 19, 10:01 PM EDT | Severe Thunderstorm Warning | AKQ | Amelia, Cumberland, Nottoway, Powhatan, Prince Edward | 44 min |
| Jun 20, 4:10 AM EDT | Small Craft Advisory | AKQ | 3 days | |
| Jun 20, 1:27 PM EDT | Special Marine Warning | AKQ | 63 min | |
| Jun 20, 2:07 PM EDT | Special Marine Warning | AKQ | 23 min | |
| Jun 20, 2:15 PM EDT | Special Marine Warning | AKQ | 60 min | |
| Jun 20, 2:25 PM EDT | Special Marine Warning | AKQ | 50 min | |
| Jun 20, 2:32 PM EDT | Special Marine Warning | AKQ | 58 min | |
| Jun 20, 2:40 PM EDT | Special Marine Warning | AKQ | 65 min | |
| Jun 20, 2:54 PM EDT | Severe Thunderstorm Warning | AKQ | Northampton | 39 min |
| Jun 20, 4:25 PM EDT | Special Marine Warning | AKQ | 65 min | |
| Jun 20, 4:34 PM EDT | Tornado Warning | AKQ | Northumberland | 26 min |
| Jun 20, 4:51 PM EDT | Special Marine Warning | AKQ | 54 min | |
| Jun 20, 4:59 PM EDT | Special Marine Warning | AKQ | 61 min | |
| Jun 20, 4:59 PM EDT | Severe Thunderstorm Warning | AKQ | Accomack, Northampton | 46 min |
| Jun 20, 6:11 PM EDT | Special Marine Warning | AKQ | 64 min | |
| Jun 20, 6:29 PM EDT | Special Marine Warning | AKQ | 61 min | |
| Jun 20, 7:05 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 25 min |
| Jun 20, 7:08 PM EDT | Tornado Warning | AKQ | Worcester | 22 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2009Every severe thunderstorm warning in 2009
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.