Alert archive / Virginia / Flash Flood Warnings in 2009

Flash Flood Warning 11, NWS Baltimore/Washington

June 3, 2009Spotsylvania County, City of Fredericksburg, Virginia

NWS Baltimore/Washington issued this flash flood warning at Jun 3, 2009, 1:32 AM EDT for Spotsylvania County, City of Fredericksburg, Virginia. It was in force for 113 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, 1:32 AM EDT (05:32 UTC)
Expired: Jun 3, 2009, 3:25 AM EDT
In force: 113 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Flood severity: None

Counties City of Fredericksburg, VA, Spotsylvania County, VA

The radar

The Sterling radar (KLWX), 82 km from the middle of the area, began a volume at 05:32 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, 5.5 hours before the alert went out and 80 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: 751 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1939 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 2, 10:32 PM EDT, 3 hours earlier.

Area forecast discussion, Jun 2, 10:32 PM EDT, 3 hours before

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Hazardous weather outlook, Jun 2, 10:41 PM EDT, 2 hours 51 minutes before

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In the hours before

Special weather statement, Jun 2, 10:34 PM EDT, 2 hours 58 minutes before

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Special weather statement, Jun 2, 10:44 PM EDT, 2 hours 48 minutes before

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Special weather statement, Jun 2, 11:22 PM EDT, 2 hours 10 minutes before

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Special weather statement, Jun 2, 11:28 PM EDT, 2 hours 4 minutes before

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Special weather statement, Jun 3, 12:24 AM EDT, 1 hour 8 minutes before

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Special weather statement, Jun 3, 12:25 AM EDT, 1 hour 7 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, 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, 4:22 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier, Rappahannock	38 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

Flash Flood Warnings in Virginia, 2009 Every flash flood 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.