Alert archive / Virginia / Flash Flood Warnings in 2006
Flash Flood Warning 22, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Jun 25, 2006, 7:30 AM EDT for Prince William County, 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 25, 2006, 7:30 AM EDT (11:30 UTC)
- Expired
- Jun 25, 2006, 11:30 AM EDT
- In force
- 4 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Counties, with a storm outline in the text
County Prince William County, VA
The radar
The Sterling radar (KLWX), 30 km from the middle of the area, began a volume at 11:30 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 11.5 hours before the alert went out and 201 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.
- Mixed-layer CAPE
- 1207 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 533 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, 4:14 AM EDT, 3 hours 16 minutes earlier.
Area forecast discussion, Jun 25, 4:14 AM EDT, 3 hours 16 minutes before
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Local storm report, Jun 25, 5:47 AM EDT, 1 hour 43 minutes before
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</html>The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 11:31 AM EDT | Flash Flood Warning | LWX | Fairfax | 4 hr |
| Jun 25, 1:48 PM EDT | Flash Flood Warning | LWX | Fauquier, Prince William, City of Manassas | 4 hr |
| Jun 25, 3:26 PM EDT | Flash Flood Warning | LWX | Augusta, Rockingham, City of Harrisonburg, City of Staunton, City of Waynesboro | 6 hr |
| Jun 25, 3:39 PM EDT | Flash Flood Warning | LWX | Frederick, City of Winchester | 6 hr |
| Jun 25, 3:54 PM EDT | Flash Flood Warning | LWX | Shenandoah | 6 hr |
| Jun 25, 4:01 PM EDT | Flash Flood Warning | LWX | Albemarle, Nelson, City of Charlottesville | 6 hr |
| Jun 25, 7:26 PM EDT | Flash Flood Warning | LWX | Fauquier | 4 hr |
| Jun 25, 7:26 PM EDT | Flash Flood Warning | LWX | Fairfax, Prince William, City of Fairfax, City of Manassas, City of Manassas Park | 4 hr |
| Jun 25, 7:49 PM EDT | Flash Flood Warning | LWX | Loudoun | 3 hr |
| Jun 25, 3:43 PM EDT | Flash Flood Warning | LWX | Washington | 6 hr |
| Jun 25, 7:06 PM EDT | Flash Flood Warning | LWX | Montgomery | 4 hr |
| Jun 25, 7:17 PM EDT | Flash Flood Warning | LWX | Howard | 4 hr |
| Jun 25, 1:08 PM EDT | Flash Flood Warning | LWX | Hampshire | 4 hr |
Nearby
Flash Flood Warnings in Virginia, 2006Every 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.