Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 111, NWS State College, PA

July 2, 2022Lancaster County, York County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 2, 2022, 6:09 PM EDT for Lancaster County, York County, Pennsylvania. It was in force for 63 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
Jul 2, 2022, 6:09 PM EDT (22:09 UTC)
Expired
Jul 2, 2022, 7:12 PM EDT
In force
63 min
Issued by
NWS State College, PA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Lancaster County, PA, York County, PA

The radar

The Sterling radar (KLWX), 141 km from the middle of the area, began a volume at 22:11 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
Jul 2, 3:02 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.2 hours before the alert went out and 139 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 2022-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 499 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 2022-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.193958Sfc1 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
499 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1039 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
88 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 Jul 2, 5:25 PM EDT, 44 minutes earlier.

Area forecast discussion, Jul 2, 5:25 PM EDT, 44 minutes before
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Hazardous weather outlook, Jul 2, 3:03 PM EDT, 3 hours 6 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
303 PM EDT Sat Jul 2 2022

PAZ004>006-010>012-017>019-024-025-033-037-041-045-031915-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Cambria-Blair-Somerset-Tioga-
Northern Lycoming-Southern Clinton-
303 PM EDT Sat Jul 2 2022

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ036-056>059-063-031915-
Franklin-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-
303 PM EDT Sat Jul 2 2022

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Scattered severe thunderstorms with damaging winds 60 mph or greater
and large hail exceeding 1 inch in diameter are possible this
afternoon and evening. Locally heavy rain of 1 to 2 inches and minor
flooding of poor drainage areas is possible where a few storms
impact the same locations.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ026>028-034-035-042-046-049>053-031915-
Huntingdon-Mifflin-Juniata-Bedford-Fulton-Sullivan-Southern Lycoming-
Union-Snyder-Montour-Northumberland-Columbia-
303 PM EDT Sat Jul 2 2022

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

A few strong to marginally severe thunderstorms may produce isolated
damaging wind gusts and possibly some hail this afternoon and
evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ064>066-031915-
Adams-York-Lancaster-
303 PM EDT Sat Jul 2 2022

...SEVERE THUNDERSTORM WATCH 420 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.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

In the hours before

Local storm report, Jul 2, 4:55 PM EDT, 1 hour 14 minutes before
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Local storm report, Jul 2, 4:56 PM EDT, 1 hour 13 minutes before
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Special weather statement, Jul 2, 5:04 PM EDT, 1 hour 5 minutes before
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Special weather statement, Jul 2, 5:05 PM EDT, 1 hour 4 minutes before
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Local storm report, Jul 2, 5:08 PM EDT, 1 hour 1 minute before
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Local storm report, Jul 2, 5:11 PM EDT, 58 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 8:45 PM EDTSpecial Weather StatementCTPSullivan15 min
Jul 1, 8:56 PM EDTSpecial Weather StatementCTPLycoming34 min
Jul 1, 9:31 PM EDTSpecial Weather StatementCTPSullivan44 min
Jul 1, 9:35 PM EDTSpecial Weather StatementCTPForest25 min
Jul 1, 9:56 PM EDTAreal Flood AdvisoryCTPSullivan2 hr
Jul 1, 10:26 PM EDTSpecial Weather StatementCTPClearfield19 min
Jul 1, 10:48 PM EDTSpecial Weather StatementCTPClearfield27 min
Jul 1, 10:55 PM EDTSpecial Weather StatementCTPClearfield20 min
Jul 1, 11:10 PM EDTSpecial Weather StatementCTPClearfield20 min
Jul 1, 11:18 PM EDTSevere Thunderstorm WarningCTPClearfield42 min
Jul 1, 11:28 PM EDTSpecial Weather StatementCTPCentre17 min
Jul 1, 11:52 PM EDTSpecial Weather StatementCTPCentre23 min
Jul 2, 12:05 AM EDTSevere Thunderstorm WarningCTPCentre40 min
Jul 2, 12:15 AM EDTSpecial Weather StatementCTPMifflin45 min
Jul 2, 12:17 AM EDTAreal Flood AdvisoryCTPLycoming, Sullivan, Tioga118 min
Jul 2, 12:25 AM EDTSevere Thunderstorm WarningCTPCentre, Clinton, Lycoming, Union32 min
Jul 2, 12:33 AM EDTSpecial Weather StatementCTPSullivan57 min
Jul 2, 12:43 AM EDTSevere Thunderstorm WarningCTPColumbia, Lycoming, Sullivan47 min
Jul 2, 12:47 AM EDTSpecial Weather StatementCTPCambria43 min
Jul 2, 1:24 AM EDTSpecial Weather StatementCTPCambria, Somerset36 min
Jul 2, 1:39 AM EDTSpecial Weather StatementCTPBedford, Blair51 min
Jul 2, 2:22 AM EDTSpecial Weather StatementCTPHuntingdon23 min
Jul 2, 3:35 AM EDTSpecial Weather StatementCTPSomerset40 min
Jul 2, 3:56 AM EDTSpecial Weather StatementCTPBedford49 min
Jul 2, 2:58 PM EDTSpecial Weather StatementCTPLancaster32 min
Jul 2, 3:07 PM EDTSevere Thunderstorm WarningCTPLancaster, York38 min
Jul 2, 3:42 PM EDTSevere Thunderstorm WarningCTPLancaster48 min
Jul 2, 4:11 PM EDTSpecial Weather StatementCTPAdams19 min
Jul 2, 4:30 PM EDTSpecial Weather StatementCTPAdams15 min
Jul 2, 4:33 PM EDTSevere Thunderstorm WarningCTPAdams57 min
Jul 2, 4:47 PM EDTSpecial Weather StatementCTPColumbia28 min
Jul 2, 5:04 PM EDTSpecial Weather StatementCTPLancaster26 min
Jul 2, 5:05 PM EDTSpecial Weather StatementCTPYork25 min
Jul 2, 5:35 PM EDTAreal Flood AdvisoryCTPLancaster2 hr
Jul 2, 7:02 PM EDTSpecial Weather StatementCTPBerks13 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2022Every severe thunderstorm warning in 2022

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.