Alert archive / Virginia / Wind Advisories in 2008
Wind Advisory 8, NWS Baltimore/Washington
NWS Baltimore/Washington issued this wind advisory at Sep 5, 2008, 5:56 PM EDT for 9 counties in Virginia; Baltimore County, Carroll County, Frederick County, Maryland. It took effect at Sep 6, 2008, 8:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Sep 5, 2008, 5:56 PM EDT (21:56 UTC)
- In effect from
- Sep 6, 2008, 8:00 AM EDT
- Expired
- Sep 6, 2008, 4:42 PM EDT
- In force
- 9 hr
- Issued by
- NWS Baltimore/Washington
Counties Baltimore County, MD, Carroll County, MD, Frederick County, MD, City of Charlottesville, VA, City of Fredericksburg, VA, Culpeper County, VA, Greene County, VA, Madison County, VA, Nelson County, VA, Orange County, VA, Rappahannock County, VA, Spotsylvania County, VA
The radar
The Sterling radar (KLWX), 55 km from the middle of the area, began a volume at 21:58 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.9 hours before the alert went out and 182 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1025 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind advisory 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 wind advisory went out at Sep 5, 5:32 PM EDT, 24 minutes earlier.
Area forecast discussion, Sep 5, 5:32 PM EDT, 24 minutes before
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</html>Hazardous weather outlook, Sep 5, 12:00 PM EDT, 5 hours 56 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 |
|---|---|---|---|---|
| Sep 5, 11:40 AM EDT | Inland Tropical Storm Warning | LWX | Culpeper, Greene, Madison, Nelson, Orange, Rappahannock and 3 more | 6 hr |
| Sep 5, 11:40 AM EDT | Tropical Storm Warning | LWX | 24 hr | |
| Sep 5, 11:40 AM EDT | Tropical Storm Warning | LWX | Arlington, Fairfax, King George, Stafford, City of Alexandria, City of Fairfax and 1 more | 24 hr |
Nearby
Wind Advisories in Virginia, 2008Wind Advisories in Maryland, 2008Every wind advisory 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.