Alert archive / Virginia / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 285, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 22, 2008, 8:03 PM EDT for Page County, Rappahannock County, Warren County, Virginia. It was in force for 42 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
- Jul 22, 2008, 8:03 PM EDT (00:03 UTC)
- Expired
- Jul 22, 2008, 8:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
Counties Page County, VA, Rappahannock County, VA, Warren County, VA
The radar
The Sterling radar (KLWX), 74 km from the middle of the area, began a volume at 00:06 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, 0.1 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.
- Mixed-layer CAPE
- 934 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1560 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 5.6
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 Jul 22, 2:47 PM EDT, 5 hours 16 minutes earlier.
Area forecast discussion, Jul 22, 2:47 PM EDT, 5 hours 16 minutes before
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</html>Hazardous weather outlook, Jul 22, 3:16 PM EDT, 4 hours 47 minutes before
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Special weather statement, Jul 22, 6:57 PM EDT, 1 hour 6 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 |
|---|---|---|---|---|
| Jul 22, 8:56 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier, Rappahannock | 35 min |
| Jul 22, 10:24 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier, Prince William | 22 min |
| Jul 22, 11:07 PM EDT | Special Marine Warning | LWX | 41 min | |
| Jul 22, 11:28 PM EDT | Special Marine Warning | LWX | 92 min | |
| Jul 23, 12:52 AM EDT | Severe Thunderstorm Warning | LWX | Clarke, Frederick, Warren, City of Winchester | 53 min |
| Jul 23, 4:17 AM EDT | Flash Flood Watch | LWX | Arlington, Fairfax, King George, Spotsylvania, Stafford, City of Alexandria and 3 more | 18 hr |
| Jul 23, 3:21 PM EDT | Special Marine Warning | LWX | 69 min | |
| Jul 23, 4:49 PM EDT | Special Marine Warning | LWX | 86 min | |
| Jul 23, 5:16 PM EDT | Special Marine Warning | LWX | 71 min | |
| Jul 23, 5:24 PM EDT | Special Marine Warning | LWX | 96 min | |
| Jul 23, 5:33 PM EDT | Special Marine Warning | LWX | 117 min | |
| Jul 23, 5:45 PM EDT | Special Marine Warning | LWX | 90 min | |
| Jul 23, 6:05 PM EDT | Special Marine Warning | LWX | 115 min | |
| Jul 23, 6:07 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Madison, Page, Rappahannock | 38 min |
| Jul 23, 6:19 PM EDT | Tornado Warning | LWX | Rappahannock | 26 min |
| Jul 23, 6:43 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Fauquier, Madison, Orange, Rappahannock | 62 min |
| Jul 23, 6:58 PM EDT | Special Marine Warning | LWX | 2 hr | |
| Jul 23, 7:22 PM EDT | Special Marine Warning | LWX | 83 min | |
| Jul 23, 7:25 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax, Loudoun, Prince William, City of Fairfax, City of Manassas, City of Manassas Park | 80 min |
| Jul 23, 7:32 PM EDT | Tornado Warning | LWX | Fairfax, Fauquier, Loudoun, Prince William, City of Manassas, City of Manassas Park | 43 min |
| Jul 23, 7:35 PM EDT | Special Marine Warning | LWX | 115 min | |
| Jul 22, 11:14 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 30 min |
| Jul 23, 12:27 AM EDT | Severe Thunderstorm Warning | LWX | Harford | 48 min |
| Jul 23, 3:44 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford, City of Baltimore | 46 min |
| Jul 23, 6:09 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 51 min |
| Jul 23, 6:53 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 52 min |
| Jul 23, 7:33 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 42 min |
| Jul 23, 7:52 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 38 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2008Every severe thunderstorm warning in 2008
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.