Alert archive / Pennsylvania / Flash Flood Warnings in 2025

Flash Flood Warning 43, NWS State College, PA

July 1, 20255 counties in Pennsylvania

NWS State College, PA issued this flash flood warning at Jul 1, 2025, 1:34 PM EDT for 5 counties in Pennsylvania. It was in force for 3 hr. 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 1, 2025, 1:34 PM EDT (17:34 UTC)
Expired
Jul 1, 2025, 4:30 PM EDT
In force
3 hr
Issued by
NWS State College, PA
Area
Storm-based polygon
Flood severity
None

Counties Bedford County, PA, Blair County, PA, Huntingdon County, PA, Mifflin County, PA, Somerset County, PA

The radar

The State College radar (KCCX), 74 km from the middle of the area, began a volume at 17:35 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 12:00Z, 5.6 hours before the alert went out and 168 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, Washington/Dulle, VA at 12:00Z on 2025-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 822 joules per kilogram.LCLLFCEL10008507005003002001001 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, Washington/Dulle, VA at 12:00Z on 2025-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 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
822 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
994 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this flash flood warning went out at Jul 1, 12:17 PM EDT, 1 hour 17 minutes earlier.

Area forecast discussion, Jul 1, 12:17 PM EDT, 1 hour 17 minutes before
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Hazardous weather outlook, Jul 1, 1:05 PM EDT, 29 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
105 PM EDT Tue Jul 1 2025

PAZ006-011-012-037-041-042-045-046-021715-
Potter-Cameron-Northern Clinton-Tioga-Northern Lycoming-Sullivan-
Southern Clinton-Southern Lycoming-
105 PM EDT Tue Jul 1 2025

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Isolated strong to marginally severe thunderstorms with gusty winds
and heavy rain are possible this afternoon and early this evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ018-019-025>028-034>036-049-050-052-056>059-063>066-021715-
Northern Centre-Southern Centre-Blair-Huntingdon-Mifflin-Juniata-
Bedford-Fulton-Franklin-Union-Snyder-Northumberland-Perry-Dauphin-
Schuylkill-Lebanon-Cumberland-Adams-York-Lancaster-
105 PM EDT Tue Jul 1 2025

...SEVERE THUNDERSTORM WATCH 481 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
...FLOOD WATCH IN EFFECT UNTIL 11 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Severe Thunderstorm Watch.
   Flood Watch.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ017-024-033-021715-
Clearfield-Cambria-Somerset-
105 PM EDT Tue Jul 1 2025

...FLOOD WATCH IN EFFECT UNTIL 11 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Flood Watch.

Isolated strong to marginally severe thunderstorms with gusty winds
and heavy rain are possible this afternoon.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ051-053-021715-
Montour-Columbia-
105 PM EDT Tue Jul 1 2025

...SEVERE THUNDERSTORM WATCH 481 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Severe Thunderstorm Watch.

Isolated flash flooding is possible this afternoon through early
this evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ004-005-010-021715-
Warren-McKean-Elk-
105 PM EDT Tue Jul 1 2025

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MRS

In the hours before

Local storm report, Jul 1, 11:16 AM EDT, 2 hours 18 minutes before
Preliminary Local Storm Report
National Weather Service State College PA
1116 AM EDT Tue Jul 1 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 AM     Rain             Wrightsville            40.02N 76.53W
07/01/2025  M2.79 Inch       York               PA   Public

&&

MRC

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 8:46 PM EDTFlash Flood WarningCTPDauphin, Lancaster, Lebanon4 hr
Jun 30, 10:47 PM EDTFlash Flood Warning EmergencyCatastrophic damage threatCTPLancaster, Lebanon4 hr
Jun 30, 10:55 PM EDTSevere Thunderstorm WarningCTPLancaster, York80 min
Jun 30, 11:10 PM EDTFlash Flood WarningCTPAdams, York3 hr
Jul 1, 12:23 AM EDTSevere Thunderstorm WarningCTPLancaster, York52 min
Jul 1, 1:22 AM EDTRiver Flood WarningCTPLancaster37 hr
Jul 1, 2:23 AM EDTFlood WatchCTPAdams, Bedford, Blair, Cambria, Centre, Clearfield and 16 more20 hr
Jul 1, 2:33 AM EDTAreal Flood WarningCTPLancaster, Lebanon3 hr
Jul 1, 2:27 PM EDTFlash Flood WarningCTPHuntingdon, Juniata, Perry3 hr
Jul 1, 3:17 PM EDTSevere Thunderstorm WarningCTPCumberland, Dauphin, Lebanon, Perry, Schuylkill, York58 min
Jul 1, 4:00 PM EDTFlash Flood WarningCTPDauphin, Lebanon3 hr
Jul 1, 4:28 PM EDTFlash Flood WarningCTPLancaster3 hr
Jul 1, 4:29 PM EDTSevere Thunderstorm WarningCTPLancaster31 min
Jul 1, 4:32 PM EDTFlash Flood WarningCTPLancaster3 hr
Jul 1, 6:27 PM EDTRiver Flood WarningCTPLebanon, Schuylkill15 hr
Jul 1, 7:27 PM EDTAreal Flood WarningCTPLancaster3 hr
Jul 1, 7:32 PM EDTAreal Flood WarningCTPLancaster3 hr

Nearby

Flash Flood Warnings in Pennsylvania, 2025Every flash flood warning 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.