Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 81, NWS State College, PA

June 16, 2022Centre County, Mifflin County, Snyder County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 16, 2022, 7:26 PM EDT for Centre County, Mifflin County, Snyder County, Pennsylvania. It was in force for 49 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 16, 2022, 7:26 PM EDT (23:26 UTC)
Expired
Jun 16, 2022, 8:15 PM EDT
In force
49 min
Issued by
NWS State College, PA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Centre County, PA, Mifflin County, PA, Snyder County, PA

The radar

The State College radar (KCCX), 46 km from the middle of the area, began a volume at 23:30 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 16, 2:43 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.4 hours before the alert went out and 223 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, Pittsburgh, PA at 12:00Z on 2022-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1836 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, Pittsburgh, PA at 12:00Z on 2022-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
1836 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.5

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 16, 4:20 PM EDT, 3 hours 6 minutes earlier.

Area forecast discussion, Jun 16, 4:20 PM EDT, 3 hours 6 minutes before
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Hazardous weather outlook, Jun 16, 2:59 PM EDT, 4 hours 27 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
259 PM EDT Thu Jun 16 2022

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-171900-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin-
Juniata-Somerset-Bedford-Fulton-Franklin-Tioga-Northern Lycoming-
Sullivan-Southern Clinton-Southern Lycoming-Union-Snyder-Montour-
Northumberland-Columbia-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-
Adams-York-Lancaster-
259 PM EDT Thu Jun 16 2022

...TORNADO WATCH 376 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.

   Tornado Watch.

Severe thunderstorms with damaging winds 60 mph or greater and
large hail exceeding 1 inch in diameter are probable this afternoon
and will linger into tonight. A few tornadoes are also possible.

Have multiple ways to receive weather warnings today and tonight and
have a safety and sheltering plan prepared.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

In the hours before

Special weather statement, Jun 16, 6:04 PM EDT, 1 hour 22 minutes before
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Special weather statement, Jun 16, 6:21 PM EDT, 1 hour 5 minutes before
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Local storm report, Jun 16, 6:24 PM EDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
624 PM EDT THU JUN 16 2022

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

0618 PM     TSTM WND DMG     2 N SNOW SHOE           41.06N 77.95W
06/16/2022                   CENTRE             PA   911 CALL CENTER

            POWERLINES DOWN ON HARTLINE ROAD.

&&
Local storm report, Jun 16, 6:31 PM EDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
631 PM EDT THU JUN 16 2022

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

0535 PM     TSTM WND DMG     3 NE BENEZETTE          41.33N 78.31W
06/16/2022                   ELK                PA   911 CALL CENTER

            TREES DOWN ON WIRES ALONG ROUTE 555.

&&
Special weather statement, Jun 16, 7:02 PM EDT, 24 minutes before
Special Weather Statement
National Weather Service State College PA
702 PM EDT Thu Jun 16 2022

PAZ019-162330-
Southern Centre PA-
702 PM EDT Thu Jun 16 2022

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL CENTRE COUNTY
THROUGH 730 PM EDT...

At 701 PM EDT, Doppler radar was tracking a strong thunderstorm
over Unionville, moving southeast at 30 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
         possible.

Locations impacted include...
State College, Park Forest Village, Boalsburg, Lemont, Houserville,
Pine Grove Mills, Seven Mountains, Tussey Mountain Ski Area,
Pennsylvania State University, University Park Airport and
Pennsylvania Military Museum.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Tornado Watch remains in effect until 1100 PM EDT for central
Pennsylvania.

&&

LAT...LON 4073 7772 4072 7777 4074 7782 4073 7786
      4083 7798 4088 7785 4076 7760 4074 7765
      4072 7771
TIME...MOT...LOC 2301Z 303DEG 26KT 4084 7785

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

Dangelo
Special weather statement, Jun 16, 7:15 PM EDT, 11 minutes before
Special Weather Statement
National Weather Service State College PA
715 PM EDT Thu Jun 16 2022

PAZ019-027-049-050-170000-
Union PA-Mifflin PA-Snyder PA-Southern Centre PA-
715 PM EDT Thu Jun 16 2022

...STRONG THUNDERSTORMS WILL IMPACT NORTHEASTERN MIFFLIN...
SOUTHEASTERN CENTRE...WEST CENTRAL SNYDER AND SOUTHWESTERN UNION
COUNTIES THROUGH 800 PM EDT...

At 715 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 17 miles south of Lock Haven to near State
College. Movement was southeast at 25 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Boalsburg, Milroy, Yeagertown, Beaver Springs, Reedsville, Coburn,
Troxelville, Potters Mills, Belltown, Snyder-Middleswart State Park,
Seven Mountains, Poe Valley State Park, Reeds Gap State Park and
Siglerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

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 Tornado Watch remains in effect until 1100 PM EDT for central
Pennsylvania.

&&

LAT...LON 4064 7759 4072 7768 4073 7768 4073 7769
      4080 7778 4088 7736 4078 7710
TIME...MOT...LOC 2315Z 308DEG 21KT 4088 7743 4081 7773

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

Dangelo

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 3:04 AM EDTSpecial Weather StatementCTPSchuylkill56 min
Jun 16, 4:19 AM EDTSpecial Weather StatementCTPSchuylkill56 min
Jun 16, 5:16 AM EDTSpecial Weather StatementCTPLancaster44 min
Jun 16, 5:36 AM EDTSpecial Weather StatementCTPLycoming54 min
Jun 16, 8:00 AM EDTSpecial Weather StatementCTPLebanon30 min
Jun 16, 8:30 AM EDTSpecial Weather StatementCTPLancaster30 min
Jun 16, 9:01 AM EDTSpecial Weather StatementCTPLancaster14 min
Jun 16, 9:04 AM EDTSevere Thunderstorm WarningCTPLancaster26 min
Jun 16, 12:33 PM EDTSpecial Weather StatementCTPHuntingdon27 min
Jun 16, 12:58 PM EDTSpecial Weather StatementCTPFulton17 min
Jun 16, 1:53 PM EDTSevere Thunderstorm WarningCTPFranklin, Fulton40 min
Jun 16, 2:10 PM EDTSevere Thunderstorm WarningCTPFranklin, Fulton50 min
Jun 16, 2:46 PM EDTSevere Thunderstorm WarningCTPWarren74 min
Jun 16, 3:04 PM EDTSevere Thunderstorm WarningCTPFranklin27 min
Jun 16, 3:47 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPWarren43 min
Jun 16, 4:25 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPCameron, Elk80 min
Jun 16, 5:08 PM EDTSpecial Weather StatementCTPClinton22 min
Jun 16, 5:19 PM EDTTornado WarningCTPElk26 min
Jun 16, 5:30 PM EDTSpecial Weather StatementCTPClinton45 min
Jun 16, 5:39 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPCameron, Centre, Clearfield, Clinton36 min
Jun 16, 5:44 PM EDTSpecial Weather StatementCTPClearfield31 min
Jun 16, 5:54 PM EDTSevere Thunderstorm WarningCTPClinton, Lycoming36 min
Jun 16, 6:00 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPCentre, Clinton60 min
Jun 16, 6:04 PM EDTSpecial Weather StatementCTPCentre41 min
Jun 16, 6:17 PM EDTSevere Thunderstorm Warning Destructive damage threatCTPCentre28 min
Jun 16, 6:21 PM EDTSpecial Weather StatementCTPUnion39 min
Jun 16, 6:42 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton33 min
Jun 16, 7:02 PM EDTSpecial Weather StatementCTPCentre28 min
Jun 16, 7:15 PM EDTSpecial Weather StatementCTPMifflin45 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.