Alert archive / Virginia / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 64, NWS Baltimore/Washington

June 3, 2009Culpeper County, Fauquier County, Rappahannock County, Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 3, 2009, 4:22 PM EDT for Culpeper County, Fauquier County, Rappahannock County, Virginia. It was in force for 38 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 3, 2009, 4:22 PM EDT (20:22 UTC)
Expired: Jun 3, 2009, 5:00 PM EDT
In force: 38 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon

Counties Culpeper County, VA, Fauquier County, VA, Rappahannock County, VA

The radar

The Sterling radar (KLWX), 57 km from the middle of the area, began a volume at 20:25 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 3, 1:06 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.4 hours before the alert went out and 61 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: 152 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 980 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 3, 2:53 PM EDT, 1 hour 29 minutes earlier.

Area forecast discussion, Jun 3, 2:53 PM EDT, 1 hour 29 minutes before

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Hazardous weather outlook, Jun 3, 3:01 PM EDT, 1 hour 21 minutes before

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In the hours before

Local storm report, Jun 3, 2:59 PM EDT, 1 hour 23 minutes before

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Special weather statement, Jun 3, 3:24 PM EDT, 58 minutes before

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Special weather statement, Jun 3, 3:36 PM EDT, 46 minutes before

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Special weather statement, Jun 3, 3:50 PM EDT, 32 minutes before

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Special weather statement, Jun 3, 3:52 PM EDT, 30 minutes before

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Special weather statement, Jun 3, 4:22 PM EDT, 0 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
Jun 2, 8:24 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Orange, Spotsylvania, Stafford, City of Fredericksburg	51 min
Jun 2, 8:48 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Orange, Spotsylvania	42 min
Jun 2, 8:53 PM EDT	Special Marine Warning	LWX		77 min
Jun 2, 9:07 PM EDT	Severe Thunderstorm Warning	LWX	King George, Stafford	38 min
Jun 2, 9:27 PM EDT	Severe Thunderstorm Warning	LWX	King George, Orange, Spotsylvania, Stafford, City of Fredericksburg	48 min
Jun 2, 9:30 PM EDT	Flash Flood Warning	LWX	Spotsylvania	3 hr
Jun 2, 10:37 PM EDT	Flash Flood Warning	LWX	Orange	113 min
Jun 2, 10:57 PM EDT	Special Marine Warning	LWX		63 min
Jun 2, 11:10 PM EDT	Special Marine Warning	LWX		95 min
Jun 2, 11:58 PM EDT	Special Marine Warning	LWX		92 min
Jun 3, 12:45 AM EDT	Special Marine Warning	LWX		60 min
Jun 3, 12:48 AM EDT	Special Marine Warning	LWX		57 min
Jun 3, 1:32 AM EDT	Flash Flood Warning	LWX	Spotsylvania, City of Fredericksburg	113 min
Jun 3, 4:39 AM EDT	Flash Flood Watch	LWX	Arlington, Culpeper, Fairfax, Greene, King George, Madison and 15 more	20 hr
Jun 3, 2:28 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle	47 min
Jun 3, 3:46 PM EDT	Severe Thunderstorm Warning	LWX	Greene, Madison, Orange	26 min
Jun 3, 4:20 PM EDT	Special Marine Warning	LWX		115 min
Jun 3, 4:56 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier, Orange	64 min
Jun 3, 4:59 PM EDT	Special Marine Warning	LWX		91 min
Jun 3, 5:02 PM EDT	Severe Thunderstorm Warning	LWX	Augusta, City of Staunton	43 min
Jun 3, 5:05 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle	40 min
Jun 3, 5:13 PM EDT	Special Marine Warning	LWX		92 min
Jun 3, 5:19 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle, Augusta, Nelson, City of Waynesboro	26 min
Jun 3, 5:28 PM EDT	Special Marine Warning	LWX		92 min
Jun 3, 5:31 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier, Orange, Spotsylvania, Stafford, City of Fredericksburg	59 min
Jun 3, 5:36 PM EDT	Special Marine Warning	LWX		84 min
Jun 3, 5:43 PM EDT	Severe Thunderstorm Warning	LWX	Rockingham, Shenandoah	47 min
Jun 3, 5:47 PM EDT	Flash Flood Warning	LWX	Albemarle, City of Charlottesville	118 min
Jun 3, 5:50 PM EDT	Special Marine Warning	LWX		48 min
Jun 3, 5:53 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle, Augusta, Greene, Rockingham, City of Charlottesville	37 min
Jun 3, 6:17 PM EDT	Special Marine Warning	LWX		88 min
Jun 3, 6:18 PM EDT	Severe Thunderstorm Warning	LWX	Page, Rockingham, Shenandoah	57 min
Jun 3, 6:21 PM EDT	Severe Thunderstorm Warning	LWX	King George, Spotsylvania, Stafford, City of Fredericksburg	39 min
Jun 3, 6:22 PM EDT	Severe Thunderstorm Warning	LWX	Page, Rockingham	38 min
Jun 3, 6:25 PM EDT	Special Marine Warning	LWX		95 min
Jun 3, 6:30 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle, City of Charlottesville	45 min
Jun 3, 6:43 PM EDT	Tornado Warning	LWX	Madison, Page	23 min
Jun 3, 6:44 PM EDT	Severe Thunderstorm Warning	LWX	Arlington, Fairfax, City of Alexandria	46 min
Jun 3, 7:01 PM EDT	Tornado Warning	LWX	Madison, Page, Rappahannock	23 min
Jun 3, 7:14 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier, Madison, Orange, Rappahannock, Stafford	46 min
Jun 3, 7:33 PM EDT	Flash Flood Warning	LWX	Arlington, Fairfax, Loudoun, City of Alexandria, City of Fairfax, City of Falls Church	3 hr
Jun 3, 7:35 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier, King George, Orange, Prince William, Spotsylvania and 2 more	40 min
Jun 3, 7:39 PM EDT	Special Marine Warning	LWX		2 hr
Jun 3, 7:43 PM EDT	Severe Thunderstorm Warning	LWX	Fauquier, Rappahannock, Warren	33 min
Jun 3, 7:47 PM EDT	Flash Flood Warning	LWX	Spotsylvania, Stafford, City of Fredericksburg	3 hr
Jun 2, 9:37 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Saint Mary's	29 min
Jun 3, 6:19 PM EDT	Severe Thunderstorm Warning	LWX	Calvert, Saint Mary's	41 min
Jun 3, 7:18 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Montgomery, Prince George's	42 min
Jun 3, 6:47 PM EDT	Severe Thunderstorm Warning	LWX	Hampshire, Hardy	43 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2009 Every 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.