Alert archive / Virginia / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 103, NWS Baltimore/Washington

June 26, 2013Culpeper County, Madison County, Rappahannock County, Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 26, 2013, 1:41 PM EDT for Culpeper County, Madison County, Rappahannock County, Virginia. It was in force for 49 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 26, 2013, 1:41 PM EDT (17:41 UTC)
Expired: Jun 26, 2013, 2:30 PM EDT
In force: 49 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon

Counties Culpeper County, VA, Madison County, VA, Rappahannock County, VA

The radar

The Sterling radar (KLWX), 75 km from the middle of the area, began a volume at 17:44 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 nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 5.7 hours before the alert went out and 190 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: 926 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 608 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 53 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 26, 9:39 AM EDT, 4 hours 2 minutes earlier.

Area forecast discussion, Jun 26, 9:39 AM EDT, 4 hours 2 minutes before

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Hazardous weather outlook, Jun 26, 1:16 PM EDT, 25 minutes before

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In the hours before

Local storm report, Jun 26, 10:50 AM EDT, 2 hours 51 minutes before

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Local storm report, Jun 26, 10:53 AM EDT, 2 hours 48 minutes before

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Local storm report, Jun 26, 11:34 AM EDT, 2 hours 7 minutes before

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Local storm report, Jun 26, 11:40 AM EDT, 2 hours 1 minute before

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Local storm report, Jun 26, 1:12 PM EDT, 29 minutes before

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Local storm report, Jun 26, 1:15 PM EDT, 26 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 25, 8:57 PM EDT	Severe Thunderstorm Warning	LWX	Frederick	48 min
Jun 25, 9:37 PM EDT	Severe Thunderstorm Warning	LWX	Loudoun	38 min
Jun 25, 9:40 PM EDT	Special Marine Warning	LWX		95 min
Jun 25, 9:56 PM EDT	Special Marine Warning	LWX		79 min
Jun 25, 10:06 PM EDT	Severe Thunderstorm Warning	LWX	Fairfax, Loudoun, City of Fairfax	54 min
Jun 25, 10:33 PM EDT	Severe Thunderstorm Warning	LWX	Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church	57 min
Jun 25, 10:47 PM EDT	Special Marine Warning	LWX		88 min
Jun 25, 11:13 PM EDT	Special Marine Warning	LWX		47 min
Jun 25, 11:13 PM EDT	Special Marine Warning	LWX		62 min
Jun 25, 11:27 PM EDT	Special Marine Warning	LWX		93 min
Jun 25, 11:39 PM EDT	Special Marine Warning	LWX		2 hr
Jun 26, 3:45 AM EDT	Small Craft Advisory	LWX		49 hr
Jun 26, 2:22 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier, Madison, Orange, Prince William, Spotsylvania and 1 more	38 min
Jun 26, 2:36 PM EDT	Special Marine Warning	LWX		84 min
Jun 26, 2:46 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier, King George, Orange, Spotsylvania, Stafford and 1 more	44 min
Jun 26, 2:47 PM EDT	Severe Thunderstorm Warning	LWX	Clarke, Fauquier, Loudoun, Warren	43 min
Jun 26, 3:01 PM EDT	Severe Thunderstorm Warning	LWX	Madison, Page, Rappahannock, Rockingham, Shenandoah, Warren	44 min
Jun 26, 3:18 PM EDT	Flash Flood Warning	LWX	Albemarle, Augusta, Rockingham	3 hr
Jun 26, 3:20 PM EDT	Severe Thunderstorm Warning	LWX	King George, Prince William, Spotsylvania, Stafford, City of Fredericksburg	55 min
Jun 26, 3:28 PM EDT	Special Marine Warning	LWX		92 min
Jun 26, 3:50 PM EDT	Severe Thunderstorm Warning	LWX	King George	55 min
Jun 26, 3:51 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle, City of Charlottesville	39 min
Jun 26, 4:08 PM EDT	Flash Flood Warning	LWX	Albemarle, City of Charlottesville	3 hr
Jun 26, 4:40 PM EDT	Special Marine Warning	LWX		95 min
Jun 26, 4:59 PM EDT	Special Marine Warning	LWX		91 min
Jun 26, 6:20 PM EDT	Special Marine Warning	LWX		55 min
Jun 26, 7:12 PM EDT	Special Marine Warning	LWX		93 min
Jun 25, 9:20 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick, Washington	40 min
Jun 25, 9:55 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 1 more	65 min
Jun 26, 4:50 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Howard, City of Baltimore	40 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2013 Every severe thunderstorm warning in 2013

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.