Alert archive / Pennsylvania / Special Weather Statements in 2023

Special Weather Statement, NWS State College, PA

August 4, 2023Clinton County, Pennsylvania

NWS State College, PA issued this special weather statement at Aug 4, 2023, 1:53 PM EDT for Clinton County, Pennsylvania. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 4, 2023, 1:53 PM EDT (17:53 UTC)
Expired
Aug 4, 2023, 2:30 PM EDT
In force
37 min
Issued by
NWS State College, PA
Hail
0.50 in
Wind
50

County Clinton County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.9 hours before the alert went out and 181 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 2023-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1103 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, Buffalo Intl Airport, NY at 12:00Z on 2023-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
1103 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
734 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 4, 12:15 PM EDT, 1 hour 38 minutes earlier.

Area forecast discussion, Aug 4, 12:15 PM EDT, 1 hour 38 minutes before
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Hazardous weather outlook, Aug 4, 12:13 PM EDT, 1 hour 40 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
1213 PM EDT Fri Aug 4 2023

PAZ006-012-018-019-027-028-037-041-042-045-046-049>053-056>058-
051615-
Potter-Northern Clinton-Northern Centre-Southern Centre-Mifflin-
Juniata-Tioga-Northern Lycoming-Sullivan-Southern Clinton-
Southern Lycoming-Union-Snyder-Montour-Northumberland-Columbia-Perry-
Dauphin-Schuylkill-
1213 PM EDT Fri Aug 4 2023

...SEVERE THUNDERSTORM WATCH 584 IN EFFECT UNTIL 8 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...Saturday through Thursday.

Severe thunderstorms with damaging winds 60 mph or greater and
large hail exceeding 1 inch in diameter are possible in a few spots
Monday afternoon or early evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ011-051615-
Cameron-
1213 PM EDT Fri Aug 4 2023

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Strong thunderstorms with gusty winds and small hail are possible
this afternoon or early evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Severe thunderstorms with damaging winds 60 mph or greater and
large hail exceeding 1 inch in diameter are possible in a few spots
Monday afternoon or early evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ004-005-010-017-024-033>036-063>066-051615-
Warren-McKean-Elk-Clearfield-Cambria-Somerset-Bedford-Fulton-
Franklin-Cumberland-Adams-York-Lancaster-
1213 PM EDT Fri Aug 4 2023

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Strong thunderstorms with gusty winds and small hail are possible
this afternoon or early evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Severe thunderstorms with damaging winds 60 mph or greater and
large hail exceeding 1 inch in diameter are possible in a few spots
Monday afternoon or early evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ025-026-059-051615-
Blair-Huntingdon-Lebanon-
1213 PM EDT Fri Aug 4 2023

...SEVERE THUNDERSTORM WATCH 584 IN EFFECT UNTIL 8 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...Saturday through Thursday.

Severe thunderstorms with damaging winds 60 mph or greater and
large hail exceeding 1 inch in diameter are possible in a few spots
Monday afternoon or early evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 4, 1:01 PM EDT, 52 minutes before
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Special weather statement, Aug 4, 1:12 PM EDT, 41 minutes before
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Special weather statement, Aug 4, 1:16 PM EDT, 37 minutes before
Special Weather Statement
National Weather Service State College PA
116 PM EDT Fri Aug 4 2023

PAZ011-012-041815-
Northern Clinton PA-Cameron PA-
116 PM EDT Fri Aug 4 2023

...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL CAMERON AND
NORTHWESTERN CLINTON COUNTIES THROUGH 215 PM EDT...

At 115 PM EDT, Doppler radar was tracking a strong thunderstorm 23
miles east of St. Marys, moving east at 25 mph.

HAZARD...Wind gusts up to 50 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...
Keating, Renovo, South Renovo, Westport, Tamarack, Stevenson Dam,
Kettle Creek State Park and Driftwood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central and north central Pennsylvania.

&&

LAT...LON 4135 7822 4147 7816 4140 7763 4118 7769
TIME...MOT...LOC 1715Z 284DEG 22KT 4139 7811

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

DeVoir
Special weather statement, Aug 4, 1:53 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 1:01 PM EDTSpecial Weather StatementCTPPotter44 min
Aug 4, 1:12 PM EDTSpecial Weather StatementCTPTioga48 min
Aug 4, 1:16 PM EDTSpecial Weather StatementCTPCameron59 min
Aug 4, 1:36 PM EDTSevere Thunderstorm WarningCTPLycoming, Tioga39 min
Aug 4, 1:44 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton46 min
Aug 4, 2:11 PM EDTSpecial Weather StatementCTPLycoming49 min
Aug 4, 2:11 PM EDTSpecial Weather StatementCTPClearfield34 min
Aug 4, 2:16 PM EDTSpecial Weather StatementCTPCambria29 min
Aug 4, 2:19 PM EDTSpecial Weather StatementCTPLycoming41 min
Aug 4, 2:27 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton48 min
Aug 4, 2:41 PM EDTSpecial Weather StatementCTPCentre34 min
Aug 4, 3:00 PM EDTSpecial Weather StatementCTPLycoming30 min
Aug 4, 3:05 PM EDTSpecial Weather StatementCTPBlair40 min
Aug 4, 3:09 PM EDTSpecial Weather StatementCTPSnyder51 min
Aug 4, 3:11 PM EDTSevere Thunderstorm WarningCTPColumbia, Lycoming, Montour, Northumberland, Union49 min
Aug 4, 3:16 PM EDTSevere Thunderstorm WarningCTPCentre, Juniata, Mifflin, Snyder, Union59 min
Aug 4, 3:18 PM EDTSpecial Weather StatementCTPCentre42 min
Aug 4, 3:47 PM EDTSevere Thunderstorm WarningCTPCentre, Huntingdon, Mifflin31 min
Aug 4, 3:50 PM EDTSpecial Weather StatementCTPLycoming40 min
Aug 4, 3:58 PM EDTSpecial Weather StatementCTPMontour32 min
Aug 4, 4:06 PM EDTSevere Thunderstorm WarningCTPColumbia, Montour, Northumberland, Schuylkill17 min
Aug 4, 4:19 PM EDTSpecial Weather StatementCTPPerry41 min
Aug 4, 4:39 PM EDTSpecial Weather StatementCTPCumberland36 min
Aug 4, 4:55 PM EDTSpecial Weather StatementCTPDauphin35 min
Aug 4, 4:58 PM EDTSpecial Weather StatementCTPClinton32 min
Aug 4, 5:08 PM EDTSpecial Weather StatementCTPCumberland52 min
Aug 4, 5:23 PM EDTSpecial Weather StatementCTPUnion52 min
Aug 4, 5:29 PM EDTSpecial Weather StatementCTPLebanon31 min
Aug 4, 5:48 PM EDTSevere Thunderstorm WarningCTPAdams, Cumberland, Franklin, York42 min
Aug 4, 6:04 PM EDTSpecial Weather StatementCTPLycoming26 min
Aug 4, 6:15 PM EDTSpecial Weather StatementCTPHuntingdon30 min
Aug 4, 6:24 PM EDTSpecial Weather StatementCTPMifflin36 min
Aug 4, 6:27 PM EDTSevere Thunderstorm WarningCTPCumberland, Franklin, Huntingdon, Juniata, Mifflin, Perry48 min
Aug 4, 6:30 PM EDTSpecial Weather StatementCTPLycoming30 min
Aug 4, 7:18 PM EDTSevere Thunderstorm WarningCTPAdams, Cumberland, Franklin42 min
Aug 4, 7:56 PM EDTSevere Thunderstorm WarningCTPAdams, Franklin33 min

Nearby

Special Weather Statements in Pennsylvania, 2023Every special weather statement 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.