Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 45, NWS State College, PA

June 26, 2023York County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 26, 2023, 7:08 PM EDT for York County, Pennsylvania. It was in force for 52 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, 2023, 7:08 PM EDT (23:08 UTC)
Expired: Jun 26, 2023, 8:00 PM EDT
In force: 52 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County York County, PA

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 26, 1:11 PM EDT	Severe Thunderstorm Watch	SPC	11 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.1 hours before the alert went out and 122 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 543 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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, 6:57 PM EDT, 11 minutes earlier.

Area forecast discussion, Jun 26, 6:57 PM EDT, 11 minutes before

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Hazardous weather outlook, Jun 26, 2:07 PM EDT, 5 hours 1 minute before

Hazardous Weather Outlook
National Weather Service State College PA
207 PM EDT Mon Jun 26 2023

PAZ017-024-033-271815-
Clearfield-Cambria-Somerset-
207 PM EDT Mon Jun 26 2023

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Isolated strong to severe thunderstorms with gusty winds are
possible this afternoon.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ042-053-058-059-066-271815-
Sullivan-Columbia-Schuylkill-Lebanon-Lancaster-
207 PM EDT Mon Jun 26 2023

...FLOOD WATCH IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 391 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.
   Flood Watch.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ004>006-010>012-018-019-025>028-034>037-041-045-046-049>052-056-
057-063>065-271815-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Northern Centre-
Southern Centre-Blair-Huntingdon-Mifflin-Juniata-Bedford-Fulton-
Franklin-Tioga-Northern Lycoming-Southern Clinton-Southern Lycoming-
Union-Snyder-Montour-Northumberland-Perry-Dauphin-Cumberland-Adams-
York-
207 PM EDT Mon Jun 26 2023

...SEVERE THUNDERSTORM WATCH 391 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...Tuesday through Sunday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jun 26, 5:52 PM EDT, 1 hour 16 minutes before

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Special weather statement, Jun 26, 5:54 PM EDT, 1 hour 14 minutes before

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Special weather statement, Jun 26, 6:04 PM EDT, 1 hour 4 minutes before

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Special weather statement, Jun 26, 6:25 PM EDT, 43 minutes before

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Special weather statement, Jun 26, 6:47 PM EDT, 21 minutes before

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Special weather statement, Jun 26, 6:58 PM EDT, 10 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 8:39 PM EDT	Special Weather Statement	CTP	Cambria	51 min
Jun 25, 9:30 PM EDT	Special Weather Statement	CTP	Cambria	30 min
Jun 25, 10:48 PM EDT	Special Weather Statement	CTP	Blair	27 min
Jun 26, 3:49 AM EDT	Flood Watch	CTP	Columbia, Lancaster, Lebanon, Schuylkill, Sullivan	19 hr
Jun 26, 8:02 AM EDT	Special Weather Statement	CTP	Lycoming	43 min
Jun 26, 8:16 AM EDT	Special Weather Statement	CTP	Warren	59 min
Jun 26, 8:37 AM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Sullivan	38 min
Jun 26, 9:14 AM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Sullivan	46 min
Jun 26, 9:15 AM EDT	Special Weather Statement	CTP	Warren	60 min
Jun 26, 9:58 AM EDT	Special Weather Statement	CTP	Sullivan	62 min
Jun 26, 12:16 PM EDT	Special Weather Statement	CTP	Warren	29 min
Jun 26, 12:30 PM EDT	Special Weather Statement	CTP	Dauphin	45 min
Jun 26, 12:45 PM EDT	Special Weather Statement	CTP	Tioga	30 min
Jun 26, 12:45 PM EDT	Special Weather Statement	CTP	Lebanon	45 min
Jun 26, 12:52 PM EDT	Special Weather Statement	CTP	Northumberland	23 min
Jun 26, 1:00 PM EDT	Special Weather Statement	CTP	Warren	30 min
Jun 26, 1:04 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon, Schuylkill	41 min
Jun 26, 1:06 PM EDT	Special Weather Statement	CTP	Sullivan	24 min
Jun 26, 1:23 PM EDT	Special Weather Statement	CTP	Columbia	37 min
Jun 26, 1:30 PM EDT	Areal Flood Advisory	CTP	Lebanon	2 hr
Jun 26, 1:34 PM EDT	Special Weather Statement	CTP	Elk	26 min
Jun 26, 1:41 PM EDT	Areal Flood Advisory	CTP	Cumberland	88 min
Jun 26, 1:41 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon, Schuylkill	49 min
Jun 26, 1:47 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Northumberland, Schuylkill	43 min
Jun 26, 2:07 PM EDT	Areal Flood Advisory	CTP	Columbia, Northumberland, Schuylkill	61 min
Jun 26, 2:14 PM EDT	Special Weather Statement	CTP	Sullivan	31 min
Jun 26, 2:21 PM EDT	Flash Flood Warning	CTP	Northumberland	46 min
Jun 26, 2:29 PM EDT	Special Weather Statement	CTP	Schuylkill	31 min
Jun 26, 2:31 PM EDT	Special Weather Statement	CTP	Bedford	29 min
Jun 26, 2:36 PM EDT	Special Weather Statement	CTP	Lycoming	24 min
Jun 26, 2:36 PM EDT	Severe Thunderstorm Warning	CTP	Bedford	39 min
Jun 26, 3:10 PM EDT	Special Weather Statement	CTP	Blair	35 min
Jun 26, 3:13 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton	47 min
Jun 26, 3:51 PM EDT	Special Weather Statement	CTP	Fulton	24 min
Jun 26, 4:08 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin	52 min
Jun 26, 4:14 PM EDT	Special Weather Statement	CTP	Lebanon	31 min
Jun 26, 4:44 PM EDT	Special Weather Statement	CTP	Lebanon	31 min
Jun 26, 4:53 PM EDT	Severe Thunderstorm Warning	CTP	York	42 min
Jun 26, 4:54 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon	51 min
Jun 26, 5:01 PM EDT	Special Weather Statement	CTP	Clearfield	29 min
Jun 26, 5:14 PM EDT	Special Weather Statement	CTP	Clinton	31 min
Jun 26, 5:34 PM EDT	Areal Flood Advisory	CTP	Lebanon	86 min
Jun 26, 5:52 PM EDT	Special Weather Statement	CTP	Blair, Clearfield	38 min
Jun 26, 5:54 PM EDT	Special Weather Statement	CTP	Lycoming	36 min
Jun 26, 6:04 PM EDT	Special Weather Statement	CTP	Fulton	26 min
Jun 26, 6:17 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming	43 min
Jun 26, 6:22 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	53 min
Jun 26, 6:25 PM EDT	Special Weather Statement	CTP	Snyder, Union	35 min
Jun 26, 6:34 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Snyder, Union	41 min
Jun 26, 6:47 PM EDT	Special Weather Statement	CTP	Adams	13 min
Jun 26, 6:58 PM EDT	Special Weather Statement	CTP	Adams	17 min
Jun 26, 7:04 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin	43 min
Jun 26, 7:10 PM EDT	Special Weather Statement	CTP	Union	35 min
Jun 26, 7:26 PM EDT	Severe Thunderstorm Warning	CTP	Adams	34 min
Jun 26, 7:55 PM EDT	Special Weather Statement	CTP	Juniata	35 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2023 Every severe thunderstorm warning in 2023

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.