Alert archive / Virginia / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 133, NWS Baltimore/Washington

June 1, 2004Highland County, Virginia; Pendleton County, West Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 1, 2004, 7:10 PM EDT for Highland County, Virginia; Pendleton County, West Virginia. It was in force for 65 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 1, 2004, 7:10 PM EDT (23:10 UTC)
Expired: Jun 1, 2004, 8:15 PM EDT
In force: 65 min
Issued by: NWS Baltimore/Washington
Area: Counties, with a storm outline in the text

Counties Highland County, VA, Pendleton County, WV

The radar

The Sterling radar (KLWX), 178 km from the middle of the area, began a volume at 23:09 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 1, 5:15 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 11.2 hours before the alert went out and 147 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 27 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 991 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: -4 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 Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 1, 5:50 PM EDT, 1 hour 20 minutes earlier.

Area forecast discussion, Jun 1, 5:50 PM EDT, 1 hour 20 minutes before

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Hazardous weather outlook, Jun 1, 6:15 PM EDT, 55 minutes before

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In the hours before

Local storm report, Jun 1, 4:21 PM EDT, 2 hours 49 minutes before

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Local storm report, Jun 1, 4:25 PM EDT, 2 hours 45 minutes before

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Local storm report, Jun 1, 4:28 PM EDT, 2 hours 42 minutes before

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Local storm report, Jun 1, 5:27 PM EDT, 1 hour 43 minutes before

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Local storm report, Jun 1, 5:32 PM EDT, 1 hour 38 minutes before

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Local storm report, Jun 1, 6:05 PM EDT, 1 hour 5 minutes before

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The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 31, 8:13 PM EDT	Severe Thunderstorm Warning	LWX	Loudoun	32 min
May 31, 9:11 PM EDT	Special Marine Warning	LWX		2 hr
May 31, 9:37 PM EDT	Special Marine Warning	LWX		113 min
Jun 1, 1:35 PM EDT	Severe Thunderstorm Warning	LWX	Clarke, Frederick, City of Winchester	55 min
Jun 1, 1:50 PM EDT	Severe Thunderstorm Warning	LWX	Loudoun	55 min
Jun 1, 2:16 PM EDT	Special Marine Warning	LWX		119 min
Jun 1, 2:16 PM EDT	Special Marine Warning	LWX		119 min
Jun 1, 2:16 PM EDT	Special Marine Warning	LWX		119 min
Jun 1, 2:17 PM EDT	Severe Thunderstorm Warning	LWX	Fairfax, City of Fairfax, City of Falls Church	58 min
Jun 1, 2:43 PM EDT	Special Marine Warning	LWX		62 min
Jun 1, 2:47 PM EDT	Severe Thunderstorm Warning	LWX	Arlington, City of Alexandria	43 min
Jun 1, 3:41 PM EDT	Special Marine Warning	LWX		49 min
Jun 1, 3:49 PM EDT	Special Marine Warning	LWX		86 min
Jun 1, 4:15 PM EDT	Special Marine Warning	LWX		45 min
Jun 1, 2:37 PM EDT	Severe Thunderstorm Warning	LWX	Howard	53 min
Jun 1, 3:01 PM EDT	Severe Thunderstorm Warning	LWX	Prince George's	59 min
Jun 1, 3:10 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel	65 min
Jun 1, 3:46 PM EDT	Severe Thunderstorm Warning	LWX	Harford	29 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2004 Severe Thunderstorm Warnings in West Virginia, 2004 Every 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.