Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 85, NWS State College, PA

June 22, 2022Adams County, Cumberland County, Franklin County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 22, 2022, 2:28 PM EDT for Adams County, Cumberland County, Franklin County, Pennsylvania. It was in force for 47 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 22, 2022, 2:28 PM EDT (18:28 UTC)
Expired: Jun 22, 2022, 3:15 PM EDT
In force: 47 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Hail: 0.88 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 18:29 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
Jun 22, 1:34 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 6.5 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: 6 J/kg
Mixed-layer CIN: -425 J/kg
Mixed-layer LCL: 1689 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 287 m²/s²
0-3 km storm-relative helicity: 297 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 Jun 22, 10:36 AM EDT, 3 hours 52 minutes earlier.

Area forecast discussion, Jun 22, 10:36 AM EDT, 3 hours 52 minutes before

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Hazardous weather outlook, Jun 22, 1:38 PM EDT, 50 minutes before

Hazardous Weather Outlook
National Weather Service State College PA
138 PM EDT Wed Jun 22 2022

PAZ042-231745-
Sullivan-
138 PM EDT Wed Jun 22 2022

...FLOOD WATCH 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.

   Flood Watch.

Isolated thunderstorms may produce locally strong wind gusts.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ006-012-018-019-025>028-034>037-041-045-046-049-050-056-063-064-
231745-
Potter-Northern Clinton-Northern Centre-Southern Centre-Blair-
Huntingdon-Mifflin-Juniata-Bedford-Fulton-Franklin-Tioga-
Northern Lycoming-Southern Clinton-Southern Lycoming-Union-Snyder-
Perry-Cumberland-Adams-
138 PM EDT Wed Jun 22 2022

...SEVERE THUNDERSTORM WATCH 400 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
...FLOOD WATCH 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.

   Severe Thunderstorm Watch.
   Flood Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ004-005-053-058-059-066-231745-
Warren-McKean-Columbia-Schuylkill-Lebanon-Lancaster-
138 PM EDT Wed Jun 22 2022

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Isolated strong thunderstorms with gusty winds and heavy rainfall
are possible on this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ010-011-017-024-033-051-052-057-065-231745-
Elk-Cameron-Clearfield-Cambria-Somerset-Montour-Northumberland-
Dauphin-York-
138 PM EDT Wed Jun 22 2022

...SEVERE THUNDERSTORM WATCH 400 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.

Locally heavy rainfall is possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

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 22, 1:19 PM EDT, 1 hour 9 minutes before

Special Weather Statement
National Weather Service State College PA
119 PM EDT Wed Jun 22 2022

PAZ027-028-056-221745-
Perry PA-Juniata PA-Mifflin PA-
119 PM EDT Wed Jun 22 2022

...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL MIFFLIN...CENTRAL
JUNIATA AND CENTRAL PERRY COUNTIES THROUGH 145 PM EDT...

At 119 PM EDT, Doppler radar was tracking a strong thunderstorm near
Lewistown, moving southeast at 35 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel 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...
Lewistown, Burnham, Highland Park, Yeagertown, Spruce Hill, Juniata
Terrace, Mexico, Alfarata, Ickesburg, Walnut, Mifflintown, Port
Royal, Mifflin and Maitland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4061 7760 4069 7752 4068 7741 4044 7720
      4035 7744
TIME...MOT...LOC 1719Z 334DEG 30KT 4058 7745

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

Colbert

Special weather statement, Jun 22, 1:46 PM EDT, 42 minutes before

Special Weather Statement
National Weather Service State College PA
146 PM EDT Wed Jun 22 2022

PAZ028-056-063-064-221845-
Perry PA-Adams PA-Cumberland PA-Juniata PA-
146 PM EDT Wed Jun 22 2022

...STRONG THUNDERSTORMS WILL IMPACT NORTHERN ADAMS...SOUTHWESTERN
JUNIATA...CUMBERLAND AND PERRY COUNTIES THROUGH 245 PM EDT...

At 145 PM EDT, Doppler radar was tracking a cluster of strong
thunderstorms extending from near Mechanicsburg to near Carlisle to
near Lewistown. Movement was south at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel 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...
Carlisle, Mechanicsburg, Shippensburg, Hampton, Plainfield,
Schlusser, Boiling Springs, Lake Meade, Mount Holly Springs, East
Berlin, Newville, Honey Grove, New Bloomfield, Spruce Hill, New
Kingstown, Aspers, East Waterford, Loysville, Hogestown and
Ickesburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Very heavy rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 Severe Thunderstorm Watch remains in effect until 900 PM EDT for
south central and central Pennsylvania.

&&

LAT...LON 3998 7746 4005 7753 4012 7756 4016 7762
      4023 7761 4023 7765 4029 7767 4028 7769
      4038 7775 4041 7773 4054 7747 4044 7715
      4016 7692 4015 7703 4007 7714 4002 7702
      3994 7697 3991 7698 3990 7747
TIME...MOT...LOC 1745Z 340DEG 22KT 4035 7718 4021 7736 4034 7758

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

Colbert

Special weather statement, Jun 22, 1:57 PM EDT, 31 minutes before

Special Weather Statement
National Weather Service State College PA
157 PM EDT Wed Jun 22 2022

PAZ064-221830-
Adams PA-
157 PM EDT Wed Jun 22 2022

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL ADAMS COUNTY
THROUGH 230 PM EDT...

At 157 PM EDT, Doppler radar was tracking a strong thunderstorm over
Gettysburg, moving south at 25 mph.

HAZARD...Wind gusts of 50 to 55 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...
Gettysburg, Littlestown, Bonneauville, Lake Heritage, Hunterstown,
McKnightstown, Two Taverns, Gettysburg National Military Park and
Gettysburg College.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm 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 Severe Thunderstorm Watch remains in effect until 900 PM EDT for
south central Pennsylvania.

&&

LAT...LON 3986 7734 3993 7723 3991 7713 3972 7705
      3972 7734
TIME...MOT...LOC 1757Z 352DEG 22KT 3986 7722

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH

Colbert

Special weather statement, Jun 22, 2:20 PM EDT, 8 minutes before

Special Weather Statement
National Weather Service State College PA
220 PM EDT Wed Jun 22 2022

PAZ036-064-221900-
Adams PA-Franklin PA-
220 PM EDT Wed Jun 22 2022

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN ADAMS AND
SOUTHEASTERN FRANKLIN COUNTIES THROUGH 300 PM EDT...

At 220 PM EDT, Doppler radar was tracking a strong thunderstorm near
Shippensburg, moving south at 40 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...
Chambersburg, Waynesboro, Shippensburg, Guilford, Carroll Valley,
Fayetteville, Wayne Heights, Mont Alto, Scotland, Rouzerville,
Cashtown, Orrtanna, Fairfield, McKnightstown, Quincy, Liberty
Mountain Resort and Penn State Mont Alto.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
south central Pennsylvania.

&&

LAT...LON 3999 7767 4004 7757 4004 7752 4001 7750
      3998 7746 3995 7746 3999 7741 3990 7729
      3972 7721 3972 7758
TIME...MOT...LOC 1820Z 339DEG 33KT 3996 7752

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
Jun 22, 3:46 AM EDT	Flood Watch	CTP	Adams, Bedford, Blair, Centre, Clinton, Cumberland and 12 more	19 hr
Jun 22, 1:19 PM EDT	Special Weather Statement	CTP	Juniata	26 min
Jun 22, 1:46 PM EDT	Special Weather Statement	CTP	Cumberland, Perry	59 min
Jun 22, 1:57 PM EDT	Special Weather Statement	CTP	Adams	33 min
Jun 22, 2:20 PM EDT	Special Weather Statement	CTP	Adams	40 min
Jun 22, 2:45 PM EDT	Special Weather Statement	CTP	Franklin	15 min
Jun 22, 3:56 PM EDT	Special Weather Statement	CTP	Fulton	34 min
Jun 22, 3:56 PM EDT	Special Weather Statement	CTP	Clinton	19 min
Jun 22, 4:06 PM EDT	Severe Thunderstorm Warning	CTP	Clinton	39 min
Jun 22, 4:07 PM EDT	Special Weather Statement	CTP	Warren	23 min
Jun 22, 4:09 PM EDT	Special Weather Statement	CTP	Warren	21 min
Jun 22, 4:14 PM EDT	Special Weather Statement	CTP	Tioga	16 min
Jun 22, 4:19 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	41 min
Jun 22, 4:25 PM EDT	Special Weather Statement	CTP	Centre	50 min
Jun 22, 4:36 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon, Mifflin	39 min
Jun 22, 4:38 PM EDT	Special Weather Statement	CTP	Lycoming	22 min
Jun 22, 4:44 PM EDT	Special Weather Statement	CTP	Union	31 min
Jun 22, 5:13 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon, Mifflin	33 min
Jun 22, 5:20 PM EDT	Special Weather Statement	CTP	Elk	40 min
Jun 22, 5:33 PM EDT	Special Weather Statement	CTP	Cameron	12 min
Jun 22, 5:42 PM EDT	Special Weather Statement	CTP	Somerset	48 min
Jun 22, 5:45 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Elk, McKean, Potter	44 min
Jun 22, 5:51 PM EDT	Special Weather Statement	CTP	Cameron	9 min
Jun 22, 5:57 PM EDT	Special Weather Statement	CTP	Clinton	33 min
Jun 22, 6:03 PM EDT	Special Weather Statement	CTP	Centre	27 min
Jun 22, 6:06 PM EDT	Special Weather Statement	CTP	Huntingdon	24 min
Jun 22, 6:09 PM EDT	Special Weather Statement	CTP	Somerset	36 min
Jun 22, 6:13 PM EDT	Special Weather Statement	CTP	Cambria	17 min
Jun 22, 6:17 PM EDT	Special Weather Statement	CTP	Centre	28 min
Jun 22, 6:21 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	39 min
Jun 22, 6:26 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	43 min
Jun 22, 6:34 PM EDT	Special Weather Statement	CTP	Centre	26 min
Jun 22, 6:39 PM EDT	Areal Flood Advisory	CTP	Tioga	2 hr
Jun 22, 6:43 PM EDT	Special Weather Statement	CTP	Bedford	17 min
Jun 22, 6:45 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Somerset	45 min
Jun 22, 6:58 PM EDT	Special Weather Statement	CTP	Blair	32 min
Jun 22, 7:09 PM EDT	Areal Flood Advisory	CTP	Blair, Huntingdon	2 hr
Jun 22, 7:16 PM EDT	Areal Flood Advisory	CTP	Centre	4 hr
Jun 22, 7:21 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton	39 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.