Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 114, NWS State College, PA

July 12, 2022Adams County, Cumberland County, Franklin County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 12, 2022, 3:04 PM EDT for Adams County, Cumberland County, Franklin County, Pennsylvania. It was in force for 71 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 12, 2022, 3:04 PM EDT (19:04 UTC)
Expired: Jul 12, 2022, 4:15 PM EDT
In force: 71 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Adams County, PA, Cumberland County, PA, Franklin County, PA

The radar

The Sterling radar (KLWX), 113 km from the middle of the area, began a volume at 19:06 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.

Issued	Product	Office	Lasted
Jul 12, 1:26 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 7.1 hours before the alert went out and 115 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 0 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

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 12, 2:57 PM EDT, 7 minutes earlier.

Area forecast discussion, Jul 12, 2:57 PM EDT, 7 minutes before

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Hazardous weather outlook, Jul 12, 1:47 PM EDT, 1 hour 17 minutes before

Hazardous Weather Outlook
National Weather Service State College PA
147 PM EDT Tue Jul 12 2022

PAZ004-005-010-131800-
Warren-McKean-Elk-
147 PM EDT Tue Jul 12 2022

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ006-011-012-017>019-037-041-042-045-046-131800-
Potter-Cameron-Northern Clinton-Clearfield-Northern Centre-
Southern Centre-Tioga-Northern Lycoming-Sullivan-Southern Clinton-
Southern Lycoming-
147 PM EDT Tue Jul 12 2022

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Showers and thunderstorms with gusty winds are possible this
afternoon.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ024>028-033>036-049>053-056>059-063>066-131800-
Cambria-Blair-Huntingdon-Mifflin-Juniata-Somerset-Bedford-Fulton-
Franklin-Union-Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-
Schuylkill-Lebanon-Cumberland-Adams-York-Lancaster-
147 PM EDT Tue Jul 12 2022

...SEVERE THUNDERSTORM WATCH 461 IN EFFECT UNTIL 7 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...Wednesday through Monday.

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, Jul 12, 1:59 PM EDT, 1 hour 5 minutes before

Special Weather Statement
National Weather Service State College PA
159 PM EDT Tue Jul 12 2022

PAZ033-034-121845-
Bedford PA-Somerset PA-
159 PM EDT Tue Jul 12 2022

...STRONG THUNDERSTORMS WILL IMPACT SOUTHWESTERN BEDFORD AND
SOUTHEASTERN SOMERSET COUNTIES THROUGH 245 PM EDT...

At 158 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 15 miles southwest of Bedford to 10 miles north
of Bittinger. Movement was east at 15 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Meyersdale, Berlin, Lake Gordon, Mount Davis, Hyndman, Salisbury,
Ellerslie, Garrett, Addison, Wellersburg, Rainsburg and Callimont.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
south central Pennsylvania.

&&

LAT...LON 3972 7925 3974 7935 3991 7914 3993 7874
      3987 7839 3972 7874
TIME...MOT...LOC 1758Z 290DEG 12KT 3989 7874 3975 7919

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Colbert

Special weather statement, Jul 12, 2:01 PM EDT, 1 hour 3 minutes before

Special Weather Statement
National Weather Service State College PA
201 PM EDT Tue Jul 12 2022

PAZ017-018-121845-
Northern Centre PA-Clearfield PA-
201 PM EDT Tue Jul 12 2022

...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL CLEARFIELD AND
NORTHWESTERN CENTRE COUNTIES THROUGH 245 PM EDT...

At 201 PM EDT, Doppler radar was tracking a strong thunderstorm near
Clearfield, moving east at 35 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Clearfield, Woodland, Karthaus, Snow Shoe, Clarence, Moshannon, Pine
Glen, Lecontes Mills, Grassflat, Kylertown, Wallaceton and
Clearfield-Lawrence Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4095 7792 4097 7844 4109 7842 4116 7804
      4114 7801 4117 7800 4116 7799 4117 7798
      4118 7792
TIME...MOT...LOC 1801Z 268DEG 30KT 4101 7832

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

Colbert

Special weather statement, Jul 12, 2:20 PM EDT, 44 minutes before

Special Weather Statement
National Weather Service State College PA
220 PM EDT Tue Jul 12 2022

PAZ018-019-045-121900-
Southern Clinton PA-Northern Centre PA-Southern Centre PA-
220 PM EDT Tue Jul 12 2022

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL CENTRE AND SOUTHEASTERN
CLINTON COUNTIES THROUGH 300 PM EDT...

At 220 PM EDT, Doppler radar was tracking a strong thunderstorm near
Bellefonte, moving east at 55 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...
Bellefonte, Carroll, Woodward, Lamar, Zion, Mill Hall, Milesburg,
Millheim, Snow Shoe, Blanchard, Clarence, Aaronsburg, Rebersburg,
Madisonburg, Bald Eagle State Park, Mackeyville, Howard, Beech Creek,
Loganton and McCall Dam State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
central Pennsylvania.

&&

LAT...LON 4109 7719 4107 7716 4107 7714 4104 7714
      4100 7719 4092 7727 4086 7735 4092 7793
      4110 7795 4110 7764 4109 7762 4110 7761
TIME...MOT...LOC 1820Z 274DEG 49KT 4101 7778

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

Colbert

Special weather statement, Jul 12, 2:24 PM EDT, 40 minutes before

Special Weather Statement
National Weather Service State College PA
224 PM EDT Tue Jul 12 2022

PAZ034-035-121900-
Bedford PA-Fulton PA-
224 PM EDT Tue Jul 12 2022

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN BEDFORD AND
SOUTHERN FULTON COUNTIES THROUGH 300 PM EDT...

At 224 PM EDT, Doppler radar was tracking a strong thunderstorm 14
miles south of Bedford, moving east at 45 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...
Warfordsburg, Big Cove Tannery, Needmore, Barnes Gap, Inglesmith and
Locust Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
south central Pennsylvania.

&&

LAT...LON 3972 7872 3988 7839 3989 7797 3982 7801
      3972 7810
TIME...MOT...LOC 1824Z 274DEG 40KT 3981 7846

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

Colbert

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 1:59 PM EDT	Special Weather Statement	CTP	Somerset	46 min
Jul 12, 2:01 PM EDT	Special Weather Statement	CTP	Clearfield	44 min
Jul 12, 2:20 PM EDT	Special Weather Statement	CTP	Centre	40 min
Jul 12, 2:24 PM EDT	Special Weather Statement	CTP	Fulton	36 min
Jul 12, 2:37 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Fulton	38 min
Jul 12, 2:46 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton	44 min
Jul 12, 3:27 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, York	63 min
Jul 12, 3:30 PM EDT	Special Weather Statement	CTP	Columbia	45 min
Jul 12, 3:34 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland	41 min
Jul 12, 3:42 PM EDT	Special Weather Statement	CTP	Dauphin	33 min
Jul 12, 4:15 PM EDT	Special Weather Statement	CTP	Adams	30 min
Jul 12, 4:16 PM EDT	Areal Flood Advisory	CTP	Adams, Franklin	89 min
Jul 12, 4:33 PM EDT	Special Weather Statement	CTP	Lancaster	42 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2022 Every 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.