Storm Pulse.
Live severe weather tracking across our Maryland, Pennsylvania, West Virginia, and Virginia service region. Active National Weather Service alerts, NEXRAD radar, and auto-published response pages — all in one operations view.
8 alerts active in our coverage area.
- Severe·Flash Flood Warning·Immediate
Flash Flood Warning issued July 10 at 3:55PM EDT until July 10 at 5:45PM EDT by NWS Pittsburgh PA
Fayette, PA; Greene, PA; Washington, PA; Westmoreland, PA
Expires Fri 9:45 PM
- Severe·Flash Flood Warning·Immediate
Flash Flood Warning issued July 10 at 3:55PM EDT until July 10 at 7:00PM EDT by NWS Pittsburgh PA
Carroll, OH; Columbiana, OH; Jefferson, OH; Allegheny, PA; Beaver, PA; Butler, PA; Lawrence, PA; Hancock, WV
Expires Fri 11:00 PM
- Severe·Flash Flood Warning·Immediate
Flash Flood Warning issued July 10 at 3:52PM EDT until July 10 at 5:45PM EDT by NWS State College PA
Lancaster, PA
Expires Fri 9:45 PM
- Severe·Flash Flood Warning·Immediate
Flash Flood Warning issued July 10 at 3:22PM EDT until July 10 at 4:15PM EDT by NWS Pittsburgh PA
Armstrong, PA; Butler, PA; Clarion, PA
Expires Fri 8:15 PM
- Severe·Flash Flood Warning·Immediate
Flash Flood Warning issued July 10 at 3:19PM EDT until July 10 at 6:15PM EDT by NWS Pittsburgh PA
Allegheny, PA
Expires Fri 10:15 PM
- Severe·Flash Flood Warning·Immediate
Flash Flood Warning issued July 10 at 3:10PM EDT until July 10 at 6:15PM EDT by NWS Pittsburgh PA
Armstrong, PA; Beaver, PA; Butler, PA; Indiana, PA; Lawrence, PA; Westmoreland, PA
Expires Fri 10:15 PM
- Severe·Flash Flood Warning·Immediate
Flash Flood Warning issued July 10 at 3:04PM EDT until July 10 at 6:00PM EDT by NWS Pittsburgh PA
Clarion, PA; Forest, PA; Jefferson, PA; Venango, PA
Expires Fri 10:00 PM
- Severe·Flash Flood Warning·Immediate
Flash Flood Warning issued July 10 at 2:38PM EDT until July 10 at 4:15PM EDT by NWS Pittsburgh PA
Butler, PA; Lawrence, PA; Mercer, PA; Venango, PA
Expires Fri 8:15 PM
Service region — all counties clear.
Stylized tile layout of the 18 priority counties Catalyst tracks across MD · PA · WV · VA. UGC-coded — when NOAA NWS issues an alert affecting a county code, the corresponding tile lights up here.
All service-area counties clear.
UGC-coded county status from NOAA NWS alerts. Mapping is deterministic — if a county code appears in any active alert affecting our coverage, it shows here.
Maryland · 5 counties
- Normal
Washington County
Hagerstown
- Normal
Frederick County
Frederick
- Normal
Carroll County
Westminster
- Normal
Allegany County
Cumberland
- Normal
Montgomery County
Rockville
West Virginia · 4 counties
- Normal
Berkeley County
Martinsburg
- Normal
Jefferson County
Charles Town
- Normal
Morgan County
Berkeley Springs
- Normal
Hampshire County
Romney
Pennsylvania · 4 counties
- Normal
Franklin County
Chambersburg
- Normal
Adams County
Gettysburg
- Normal
Cumberland County
Carlisle
- Normal
Fulton County
McConnellsburg
Virginia · 5 counties
- Normal
Frederick County, VA
Winchester
- Normal
Clarke County
Berryville
- Normal
Warren County
Front Royal
- Normal
Shenandoah County
Woodstock
- Normal
Loudoun County
Leesburg
Live regional radar.
KLWX Sterling, VA NEXRAD — covers our entire service region. Refreshes every few minutes from the National Weather Service.
Image source: radar.weather.gov · public domain
Storm Pulse tracks the weather. /emergency tracks your loss.
If a storm has actually damaged your property — water intrusion, roof breach, downed tree, structural compromise — start at /emergency/storm. The 30-minute action steps are there and the response is the same 24/7 dispatch.
Storm damage? Catalyst dispatches 24/7.
Catalyst crews stage across MD, PA, WV, and VA — call now or request emergency response.