Alert archive / Virginia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 121, NWS Wakefield, VA

June 16, 2008Caroline County, Hanover County, Louisa County, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Jun 16, 2008, 4:42 PM EDT for Caroline County, Hanover County, Louisa County, Virginia. It was in force for 63 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 16, 2008, 4:42 PM EDT (20:42 UTC)
Expired
Jun 16, 2008, 5:45 PM EDT
In force
63 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon

Counties Caroline County, VA, Hanover County, VA, Louisa County, VA

The radar

The Norfolk radar (KAKQ), 117 km from the middle of the area, began a volume at 20:42 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.

IssuedProductOfficeLasted
Jun 16, 4:35 PM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.7 hours before the alert went out and 186 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.

Skew-T log-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2008-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2008-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
20 J/kg
Mixed-layer CIN
-368 J/kg
Mixed-layer LCL
1663 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 16, 3:00 PM EDT, 1 hour 42 minutes earlier.

Area forecast discussion, Jun 16, 3:00 PM EDT, 1 hour 42 minutes before
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Hazardous weather outlook, Jun 16, 12:29 PM EDT, 4 hours 13 minutes before
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In the hours before

Special weather statement, Jun 16, 3:01 PM EDT, 1 hour 41 minutes before
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Local storm report, Jun 16, 3:49 PM EDT, 53 minutes before
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Special weather statement, Jun 16, 4:11 PM EDT, 31 minutes before
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Local storm report, Jun 16, 4:14 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
414 PM EDT MON JUN 16 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0405 PM     HAIL             3 N BOSWELLS TAVERN     38.11N 78.19W
06/16/2008  E1.50 INCH       LOUISA             VA   FIRE DEPT/RESCUE

&&

MMONTE
Special weather statement, Jun 16, 4:35 PM EDT, 7 minutes before
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The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 12:01 PM EDTDense Smoke AdvisoryAKQCity of Chesapeake, City of Virginia Beach8 hr
Jun 16, 3:11 PM EDTSevere Thunderstorm WarningAKQLouisa49 min
Jun 16, 3:56 PM EDTSevere Thunderstorm WarningAKQLouisa49 min
Jun 16, 5:12 PM EDTSevere Thunderstorm WarningAKQCaroline, Essex, Hanover, King and Queen, King William, Richmond and 1 more63 min
Jun 16, 5:47 PM EDTSevere Thunderstorm WarningAKQGoochland, Hanover, Henrico, King William, Powhatan, City of Richmond33 min
Jun 16, 5:53 PM EDTSevere Thunderstorm WarningAKQEssex, King and Queen, Lancaster, Middlesex, Northumberland, Richmond and 1 more52 min
Jun 16, 5:55 PM EDTSpecial Marine WarningAKQ2 hr
Jun 16, 6:08 PM EDTSevere Thunderstorm WarningAKQCharles City, Chesterfield, Gloucester, Hanover, Henrico, James City and 10 more52 min
Jun 16, 6:19 PM EDTSpecial Marine WarningAKQ116 min
Jun 16, 6:22 PM EDTSevere Thunderstorm WarningAKQGloucester, Lancaster, Mathews, Middlesex, Northumberland38 min
Jun 16, 6:34 PM EDTSpecial Marine WarningAKQ116 min
Jun 16, 6:39 PM EDTSpecial Marine WarningAKQ66 min
Jun 16, 6:49 PM EDTSevere Thunderstorm WarningAKQAccomack, Northampton56 min
Jun 16, 4:59 PM EDTSevere Thunderstorm WarningAKQDorchester61 min
Jun 16, 6:05 PM EDTSevere Thunderstorm WarningAKQSomerset, Wicomico, Worcester55 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2008Every severe thunderstorm warning in 2008

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.