Alert archive / West Virginia / Flash Flood Warnings in 2006

Flash Flood Warning 45, NWS Baltimore/Washington

June 26, 2006Allegany County, Maryland; 4 counties in West Virginia

NWS Baltimore/Washington issued this flash flood warning at Jun 26, 2006, 2:32 AM EDT for Allegany County, Maryland; 4 counties in West Virginia. It was in force for 4 hr. 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, 2006, 2:32 AM EDT (06:32 UTC)
Expired: Jun 26, 2006, 6:30 AM EDT
In force: 4 hr
Issued by: NWS Baltimore/Washington
Area: Counties, with a storm outline in the text

Counties Allegany County, MD, Grant County, WV, Hardy County, WV, Mineral County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 133 km from the middle of the area, began a volume at 06:31 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

Washington/Dulle, VA (KIAD), launched 00:00Z, 6.5 hours before the alert went out and 141 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: 494 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 720 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jun 25, 10:16 PM EDT, 4 hours 16 minutes earlier.

Area forecast discussion, Jun 25, 10:16 PM EDT, 4 hours 16 minutes before

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Hazardous weather outlook, Jun 25, 10:45 PM EDT, 3 hours 47 minutes before

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In the hours before

Local storm report, Jun 25, 10:50 PM EDT, 3 hours 42 minutes before

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Local storm report, Jun 25, 10:51 PM EDT, 3 hours 41 minutes before

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Local storm report, Jun 25, 11:17 PM EDT, 3 hours 15 minutes before

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Local storm report, Jun 26, 12:10 AM EDT, 2 hours 22 minutes before

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Local storm report, Jun 26, 12:10 AM EDT, 2 hours 22 minutes before

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Local storm report, Jun 26, 1:08 AM EDT, 1 hour 24 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, 8:51 PM EDT	Flash Flood Warning	LWX	Arlington, City of Alexandria, City of Falls Church	4 hr
Jun 25, 11:43 PM EDT	Flash Flood Warning	LWX	Highland	4 hr
Jun 26, 12:26 AM EDT	Flash Flood Warning	LWX	Arlington, City of Alexandria, City of Falls Church	3 hr
Jun 26, 3:44 AM EDT	Flash Flood Warning	LWX	Highland	3 hr
Jun 26, 6:41 AM EDT	Coastal Flood Statement	LWX	Arlington, Fairfax, King George, Stafford, City of Alexandria, City of Fairfax and 1 more	109 min
Jun 26, 8:30 AM EDT	Coastal Flood Warning	LWX	Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church	4 hr
Jun 26, 9:34 AM EDT	Flash Flood Warning	LWX	Augusta, Highland, City of Staunton, City of Waynesboro	6 hr
Jun 26, 10:49 AM EDT	Flash Flood Warning	LWX	Rockingham, City of Harrisonburg	4 hr
Jun 26, 11:09 AM EDT	Flash Flood Warning	LWX	Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church	6 hr
Jun 26, 12:13 PM EDT	Flash Flood Warning	LWX	Fauquier, Prince William, City of Manassas, City of Manassas Park	6 hr
Jun 26, 1:06 PM EDT	Flash Flood Warning	LWX	Culpeper, Orange, Spotsylvania, Stafford, City of Fredericksburg	6 hr
Jun 26, 1:17 PM EDT	Flash Flood Warning	LWX	Loudoun	3 hr
Jun 26, 2:22 PM EDT	Flash Flood Warning	LWX	Nelson	6 hr
Jun 26, 4:56 PM EDT	Flash Flood Warning	LWX	Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church	6 hr
Jun 26, 5:39 PM EDT	Special Marine Warning	LWX		96 min
Jun 26, 6:08 PM EDT	Flash Flood Warning	LWX	Prince William, City of Manassas, City of Manassas Park	6 hr
Jun 25, 8:16 PM EDT	Flash Flood Warning	LWX	Baltimore, City of Baltimore	4 hr
Jun 25, 10:13 PM EDT	Flash Flood Warning	LWX	Harford	3 hr
Jun 25, 10:14 PM EDT	Flash Flood Warning	LWX	Prince George's	3 hr
Jun 25, 10:51 PM EDT	Flash Flood Warning	LWX	Montgomery	4 hr
Jun 25, 11:04 PM EDT	Flash Flood Warning	LWX	Howard	4 hr
Jun 26, 1:01 AM EDT	Flash Flood Warning	LWX	Harford	119 min
Jun 26, 4:37 AM EDT	Flash Flood Warning	LWX	Washington	3 hr
Jun 26, 11:15 AM EDT	Flash Flood Warning	LWX	Anne Arundel	4 hr
Jun 26, 11:31 AM EDT	Flash Flood Warning	LWX	Baltimore, Harford, City of Baltimore	6 hr
Jun 26, 1:16 PM EDT	Flash Flood Warning	LWX	Howard	6 hr
Jun 26, 3:34 PM EDT	Flash Flood Warning	LWX	Carroll	6 hr
Jun 26, 7:09 PM EDT	Flash Flood Warning	LWX	Howard	6 hr

Nearby

Flash Flood Warnings in West Virginia, 2006 Flash Flood Warnings in Maryland, 2006 Every flash flood warning in 2006

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.