Alert archive / Pennsylvania / Tornado Watches in 2025

Tornado Watch 54

March 16, 20254 states

The Storm Prediction Center issued this tornado watch at Mar 16, 2025, 12:50 PM EDT for 4 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Mar 16, 2025, 12:50 PM EDT (16:50 UTC)
Expired
Mar 16, 2025, 7:52 PM EDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 46 counties

Allegany County, MD, Garrett County, MD, Washington County, MD, Bedford County, PA, Blair County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Cumberland County, PA, Elk County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lycoming County, PA, McKean County, PA, Mifflin County, PA, Perry County, PA, Potter County, PA, Snyder County, PA, Somerset County, PA, Tioga County, PA, Union County, PA, Warren County, PA, Augusta County, VA, City of Harrisonburg, VA, City of Staunton, VA, City of Waynesboro, VA, City of Winchester, VA, Clarke County, VA, Frederick County, VA, Highland County, VA, Page County, VA, Rockingham County, VA, Shenandoah County, VA, Warren County, VA, Berkeley County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Jefferson County, WV, Mineral County, WV, Morgan County, WV, Pendleton County, WV

The radar

The State College radar (KCCX), 56 km from the middle of the area, began a volume at 16:53 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
10%
Ten or more severe wind reports
70%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
10%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 16, 12:52 PM EDTSevere Thunderstorm WarningLWXGarrett53 min
Mar 16, 12:59 PM EDTSevere Thunderstorm WarningCTPBedford, Cambria, Somerset61 min
Mar 16, 1:27 PM EDTSevere Thunderstorm WarningCTPClearfield, Elk, McKean, Warren63 min
Mar 16, 1:44 PM EDTSevere Thunderstorm WarningLWXAllegany, Garrett37 min
Mar 16, 1:47 PM EDTSevere Thunderstorm WarningCTPBedford, Blair, Cambria, Centre, Clearfield, Elk and 1 more43 min
Mar 16, 1:55 PM EDTTornado WarningCTPCambria, Clearfield35 min
Mar 16, 2:00 PM EDTTornado WarningCTPCameron, Elk, McKean30 min
Mar 16, 2:03 PM EDTTornado WarningCTPClearfield, Elk27 min
Mar 16, 2:27 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPCameron, Centre, Clearfield, Clinton, Elk, McKean and 1 more78 min
Mar 16, 2:27 PM EDTSevere Thunderstorm WarningCTPBlair, Huntingdon, Mifflin78 min
Mar 16, 2:30 PM EDTTornado WarningCTPCameron, Centre, Clearfield, Clinton, Elk30 min
Mar 16, 2:34 PM EDTTornado WarningCTPMcKean, Potter26 min
Mar 16, 2:42 PM EDTTornado WarningCTPMcKean, Potter33 min
Mar 16, 2:57 PM EDTSevere Thunderstorm WarningLWXHighland48 min
Mar 16, 3:18 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton, Lycoming, Tioga57 min
Mar 16, 3:32 PM EDTSevere Thunderstorm WarningLWXGrant, Hardy, Pendleton15 min
Mar 16, 3:56 PM EDTSevere Thunderstorm WarningLWXGrant, Hampshire, Hardy, Mineral34 min
Mar 16, 3:58 PM EDTSevere Thunderstorm WarningCTPCumberland, Franklin, Fulton, Huntingdon, Juniata, Perry62 min
Mar 16, 4:20 PM EDTSevere Thunderstorm WarningLWXFrederick, Rockingham, Shenandoah40 min
Mar 16, 4:24 PM EDTSevere Thunderstorm WarningLWXAllegany, Washington33 min
Mar 16, 4:54 PM EDTSevere Thunderstorm WarningLWXAllegany, Washington31 min
Mar 16, 6:03 PM EDTSevere Thunderstorm WarningLWXRockingham, Shenandoah27 min
Mar 16, 6:14 PM EDTSevere Thunderstorm WarningLWXShenandoah16 min
Mar 16, 6:19 PM EDTTornado WarningLWXShenandoah11 min
Mar 16, 6:29 PM EDTSevere Thunderstorm WarningLWXFrederick, Shenandoah, City of Winchester31 min
Mar 16, 6:53 PM EDTSevere Thunderstorm WarningLWXWashington27 min
Mar 16, 7:35 PM EDTFlash Flood WarningLWXFrederick, Shenandoah81 min
Mar 16, 7:51 PM EDTSevere Thunderstorm WarningLWXClarke, Frederick, Shenandoah, Warren, City of Winchester24 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 4.8 hours before the alert went out and 163 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.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2025-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2025-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 590 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
941 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
590 m²/s²
0-3 km storm-relative helicity
790 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 16, 10:04 AM EDTMesoscale DiscussionSPCGarrett86 min
Mar 16, 12:08 PM EDTMesoscale DiscussionSPCAllegany, Garrett97 min
Mar 16, 4:26 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Carroll, Charles, Frederick, Harford and 5 more94 min
Mar 16, 6:17 PM EDTMesoscale DiscussionSPCCharles118 min
Mar 16, 10:31 AM EDTTornado WatchSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more5 hr
Mar 16, 1:35 PM EDTSevere Thunderstorm WatchSPCBradford, Lackawanna, Luzerne, Susquehanna, Wyoming5 hr
Mar 16, 2:07 PM EDTMesoscale DiscussionSPCAdams, Bedford, Blair, Bradford, Cambria, Cameron and 28 more53 min
Mar 16, 6:20 PM EDTMesoscale DiscussionSPCLackawanna, Luzerne, Monroe, Pike, Susquehanna, Wayne and 1 more115 min
Mar 16, 9:49 AM EDTMesoscale DiscussionSPCAmelia, Brunswick, Charles City, Charlotte, Chesterfield, Dinwiddie and 30 more116 min
Mar 16, 1:13 PM EDTMesoscale DiscussionSPCIsle of Wight, Southampton, City of Chesapeake, City of Franklin, City of Norfolk, City of Portsmouth and 2 more92 min
Mar 16, 4:25 PM EDTMesoscale DiscussionSPCAmherst, Appomattox, Bedford, Buckingham, Campbell, Charlotte and 13 more95 min
Mar 16, 7:38 PM EDTTornado WatchSPCAmelia, Appomattox, Brunswick, Buckingham, Campbell, Charles City and 27 more5 hr

Nearby

Tornado Watches in Pennsylvania, 2025Tornado Watches in Virginia, 2025Tornado Watches in West Virginia, 2025Every tornado watch in 2025

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.