Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 59, NWS State College, PA

June 26, 2024Potter County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 26, 2024, 2:33 PM EDT for Potter County, Pennsylvania. It was in force for 42 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
Jun 26, 2024, 2:33 PM EDT (18:33 UTC)
Expired
Jun 26, 2024, 3:15 PM EDT
In force
42 min
Issued by
NWS State College, PA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Potter County, PA

The radar

The State College radar (KCCX), 92 km from the middle of the area, began a volume at 18:35 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 26, 1:11 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.6 hours before the alert went out and 147 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, Buffalo Intl Airport, NY at 12:00Z on 2024-06-26Temperature 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, Buffalo Intl Airport, NY at 12:00Z on 2024-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 square meters per square second.19395878Sfc1 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
2097 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

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 State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 26, 1:52 PM EDT, 41 minutes earlier.

Area forecast discussion, Jun 26, 1:52 PM EDT, 41 minutes before
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Hazardous weather outlook, Jun 26, 1:14 PM EDT, 1 hour 19 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
114 PM EDT Wed Jun 26 2024

PAZ024>028-033>036-056>059-063>066-271715-
Cambria-Blair-Huntingdon-Mifflin-Juniata-Somerset-Bedford-Fulton-
Franklin-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-Adams-York-
Lancaster-
114 PM EDT Wed Jun 26 2024

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Clusters of severe thunderstorms with potentially damaging wind
gusts 60 mph or greater are possible this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ019-045-046-049>053-271715-
Southern Centre-Southern Clinton-Southern Lycoming-Union-Snyder-
Montour-Northumberland-Columbia-
114 PM EDT Wed Jun 26 2024

...SEVERE THUNDERSTORM WATCH 464 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.

Clusters of severe thunderstorms with potentially damaging wind
gusts 60 mph or greater are possible this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ004>006-010>012-017-018-037-041-042-271715-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Tioga-Northern Lycoming-Sullivan-
114 PM EDT Wed Jun 26 2024

...SEVERE THUNDERSTORM WATCH 464 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.

Clusters of severe thunderstorms with potentially damaging wind
gusts 60 mph or greater are possible this afternoon and evening.

Training storms are expected to spread across the northern tier of
central PA during the afternoon with the threat of locally heavy
rain and possible flooding through the evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

MRS

In the hours before

Special weather statement, Jun 26, 1:24 PM EDT, 1 hour 9 minutes before
Special Weather Statement
National Weather Service State College PA
124 PM EDT Wed Jun 26 2024

PAZ004-261800-
Warren PA-
124 PM EDT Wed Jun 26 2024

...STRONG THUNDERSTORMS WILL IMPACT CENTRAL WARREN COUNTY THROUGH 200
PM EDT...

At 122 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Spartansburg to north of Tidioute.
Movement was east at 20 mph.

HAZARD...Wind gusts of 50 to 55 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Warren, Youngsville, Warren South, Garland, Kinzua Dam, Grand Valley,
and Starbrick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
north central Pennsylvania.

&&

LAT...LON 4190 7945 4190 7892 4187 7892 4173 7929
      4172 7961 4182 7961
TIME...MOT...LOC 1722Z 250DEG 16KT 4178 7964 4177 7932

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...55 MPH

Banghoff

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 1:24 PM EDTSpecial Weather StatementCTPWarren36 min
Jun 26, 1:51 PM EDTSevere Thunderstorm WarningCTPWarren24 min
Jun 26, 2:11 PM EDTSevere Thunderstorm WarningCTPMcKean, Warren34 min
Jun 26, 2:19 PM EDTSevere Thunderstorm WarningCTPWarren26 min
Jun 26, 2:44 PM EDTSevere Thunderstorm WarningCTPMcKean46 min
Jun 26, 2:48 PM EDTSevere Thunderstorm WarningCTPMcKean, Warren42 min
Jun 26, 3:13 PM EDTSevere Thunderstorm WarningCTPPotter, Tioga47 min
Jun 26, 3:20 PM EDTSevere Thunderstorm WarningCTPMcKean, Potter40 min
Jun 26, 3:33 PM EDTFlash Flood WarningCTPMcKean, Warren2 hr
Jun 26, 4:16 PM EDTSevere Thunderstorm WarningCTPPotter, Tioga29 min
Jun 26, 4:28 PM EDTSevere Thunderstorm WarningCTPTioga47 min
Jun 26, 4:32 PM EDTSevere Thunderstorm WarningCTPCameron, Clearfield, Elk, McKean, Potter43 min
Jun 26, 4:48 PM EDTSevere Thunderstorm WarningCTPLycoming, Sullivan42 min
Jun 26, 4:54 PM EDTSevere Thunderstorm WarningCTPClearfield, Elk36 min
Jun 26, 4:54 PM EDTSevere Thunderstorm WarningCTPColumbia, Lycoming, Montour, Northumberland51 min
Jun 26, 5:14 PM EDTSevere Thunderstorm WarningCTPCameron, Clinton, Lycoming, Potter, Tioga46 min
Jun 26, 5:15 PM EDTSevere Thunderstorm WarningCTPTioga30 min
Jun 26, 5:17 PM EDTSevere Thunderstorm WarningCTPCameron, Clearfield, Clinton, Elk28 min
Jun 26, 5:21 PM EDTSpecial Weather StatementCTPDauphin, Lancaster, Lebanon, Northumberland, Schuylkill, Snyder and 1 more39 min
Jun 26, 5:28 PM EDTSevere Thunderstorm WarningCTPColumbia32 min
Jun 26, 5:31 PM EDTSevere Thunderstorm WarningCTPDauphin, Lancaster, Lebanon, Schuylkill, York44 min
Jun 26, 5:35 PM EDTSevere Thunderstorm WarningCTPColumbia, Montour, Northumberland, Schuylkill, Snyder, Union40 min
Jun 26, 5:42 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton18 min
Jun 26, 5:49 PM EDTSevere Thunderstorm WarningCTPColumbia, Lycoming, Sullivan26 min
Jun 26, 6:14 PM EDTSevere Thunderstorm WarningCTPColumbia, Lycoming, Schuylkill31 min
Jun 26, 6:38 PM EDTSpecial Weather StatementCTPSullivan37 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2024Every severe thunderstorm warning in 2024

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.