Alert archive / Virginia / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 283, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Sep 4, 2018, 4:11 PM EDT for King George County, Virginia; Charles County, Maryland. It was in force for 49 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
- Sep 4, 2018, 4:11 PM EDT (20:11 UTC)
- Expired
- Sep 4, 2018, 5:00 PM EDT
- In force
- 49 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Charles County, MD, King George County, VA
The radar
The Sterling radar (KLWX), 76 km from the middle of the area, began a volume at 20:12 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.
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 Sep 4, 12:41 PM EDT, 3 hours 30 minutes earlier.
Area forecast discussion, Sep 4, 12:41 PM EDT, 3 hours 30 minutes before
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</html>Hazardous weather outlook, Sep 4, 5:19 AM EDT, 10 hours 52 minutes before
Hazardous Weather Outlook National Weather Service Baltimore MD/Washington DC 519 AM EDT Tue Sep 4 2018 ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-050930- Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island-District of Columbia-Southern Baltimore-Prince Georges- Anne Arundel-Charles-St. Marys-Calvert-Southeast Harford- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Stafford-Spotsylvania- King George- 519 AM EDT Tue Sep 4 2018 This Hazardous Weather Outlook is for the Maryland portion of the Chesapeake Bay, Tidal Potomac River, and adjacent counties in central Maryland and northern Virginia as well as the District of Columbia. .DAY ONE...Today and Tonight A heat advisory is in effect for much of northern Virginia, southern, central and northern Maryland, and the District of Columbia for heat indices near 105 degrees this afternoon. .DAYS TWO THROUGH SEVEN...Wednesday through Monday A combination of heat and humidity may result in heat index values around 105 Wednesday and Thursday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MDZ003>006-501>507-VAZ025>031-036>040-050-051-501>508-WVZ050>053- 055-501>506-050930- Washington-Frederick MD-Carroll-Northern Baltimore- Extreme Western Allegany-Central and Eastern Allegany- Northwest Montgomery-Central and Southeast Montgomery- Northwest Howard-Central and Southeast Howard-Northwest Harford- Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Nelson-Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper- Northern Fauquier-Southern Fauquier-Western Highland- Eastern Highland-Western Loudoun-Eastern Loudoun- Northern Virginia Blue Ridge-Central Virginia Blue Ridge- Hampshire-Morgan-Berkeley-Jefferson-Hardy-Western Grant- Eastern Grant-Western Mineral-Eastern Mineral-Western Pendleton- Eastern Pendleton- 519 AM EDT Tue Sep 4 2018 This Hazardous Weather Outlook is for eastern West Virginia, northern and central Virginia, and central and western Maryland with the exception of Garrett County. .DAY ONE...Today and Tonight A heat advisory is in effect for much of northern Virginia, portions of eastern West Virginia and portions of northern and western Maryland for heat indices of 100 to 105 degrees this afternoon. .DAYS TWO THROUGH SEVEN...Wednesday through Monday A combination of heat and humidity may result in heat index values of 100 to 105 Wednesday and Thursday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 2:17 AM EDT | Heat Advisory | LWX | Arlington, Clarke, Culpeper, Fairfax, Fauquier, Frederick and 13 more | 17 hr |
| Sep 4, 4:08 PM EDT | Special Marine Warning | LWX | 74 min | |
| Sep 4, 3:49 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 26 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2018Severe Thunderstorm Warnings in Maryland, 2018Every severe thunderstorm warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.