Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 40, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 18, 2024, 7:57 PM EDT for McKean County, Warren County, Pennsylvania. It was in force for 63 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 18, 2024, 7:57 PM EDT (23:57 UTC)
- Expired
- Jun 18, 2024, 9:00 PM EDT
- In force
- 63 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties McKean County, PA, Warren County, PA
The radar
The State College radar (KCCX), 125 km from the middle of the area, began a volume at 23:57 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 nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 12.0 hours before the alert went out and 126 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.
- Mixed-layer CAPE
- 401 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 1100 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 18, 7:21 PM EDT, 36 minutes earlier.
Area forecast discussion, Jun 18, 7:21 PM EDT, 36 minutes before
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</html>Hazardous weather outlook, Jun 18, 1:12 PM EDT, 6 hours 45 minutes before
Hazardous Weather Outlook National Weather Service State College PA 112 PM EDT Tue Jun 18 2024 PAZ004>006-010>012-017>019-024>027-033-034-037-041-042-045-046- 049>053-191715- Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield- Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin- Somerset-Bedford-Tioga-Northern Lycoming-Sullivan-Southern Clinton- Southern Lycoming-Union-Snyder-Montour-Northumberland-Columbia- 112 PM EDT Tue Jun 18 2024 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... 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. Heat Advisory. Isolated strong to severe thunderstorms may produce localized wind damage and brief heavy rainfall this afternoon and evening. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Please listen to NOAA Weather Radio or go to weather.gov/StateCollege on the internet for more information about the following hazards. Heat Advisory. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. PAZ028-035-036-056>059-063>066-191715- Juniata-Fulton-Franklin-Perry-Dauphin-Schuylkill-Lebanon-Cumberland- Adams-York-Lancaster- 112 PM EDT Tue Jun 18 2024 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY... 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. Heat Advisory. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Please listen to NOAA Weather Radio or go to weather.gov/StateCollege on the internet for more information about the following hazards. Heat Advisory. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather.
In the hours before
Local storm report, Jun 18, 2:19 PM EDT, 5 hours 38 minutes before
Preliminary Local Storm Report
National Weather Service State College PA
219 PM EDT Tue Jun 18 2024
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0200 PM Tstm Wnd Dmg 1 W Carrolltown 40.60N 78.73W
06/18/2024 Cambria PA Fire Dept/Rescue
Tree and wires on Back Road west of
Carrolltown.
&&Special weather statement, Jun 18, 2:20 PM EDT, 5 hours 37 minutes before
Special Weather Statement
National Weather Service State College PA
220 PM EDT Tue Jun 18 2024
PAZ024-181845-
Cambria PA-
220 PM EDT Tue Jun 18 2024
...A STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL CAMBRIA COUNTY
THROUGH 245 PM EDT...
At 220 PM EDT, Doppler radar was tracking a strong thunderstorm over
Nanty-Glo, moving northwest at 10 mph.
HAZARD...Wind gusts of 50 to 55 mph and half inch 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...
Ebensburg, Nanty-Glo, Vinco, Belsano, Mundys Corner, and Vintondale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4042 7897 4057 7888 4050 7881 4049 7872
4040 7881 4039 7892 4040 7897
TIME...MOT...LOC 1820Z 120DEG 7KT 4047 7889
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH
ColbertSpecial weather statement, Jun 18, 2:48 PM EDT, 5 hours 9 minutes before
Special Weather Statement
National Weather Service State College PA
248 PM EDT Tue Jun 18 2024
PAZ019-181930-
Southern Centre PA-
248 PM EDT Tue Jun 18 2024
...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL CENTRE COUNTY
THROUGH 330 PM EDT...
At 248 PM EDT, Doppler radar was tracking a strong thunderstorm over
State College, moving north at 10 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...
State College, Park Forest Village, Lemont, Houserville, Pine Grove
Mills, Julian, Pennsylvania State University, and State College
Regional Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4075 7797 4087 7803 4087 7790 4084 7778
4074 7782 4073 7787
TIME...MOT...LOC 1848Z 179DEG 9KT 4080 7790
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
ColbertSpecial weather statement, Jun 18, 3:32 PM EDT, 4 hours 25 minutes before
Special Weather Statement
National Weather Service State College PA
332 PM EDT Tue Jun 18 2024
PAZ018-019-182000-
Northern Centre PA-Southern Centre PA-
332 PM EDT Tue Jun 18 2024
...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN CENTRE COUNTY
THROUGH 400 PM EDT...
At 331 PM EDT, Doppler radar was tracking a strong thunderstorm 11
miles northwest of State College, moving northwest at 10 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 is
possible.
Locations impacted include...
Stormstown, Port Matilda, Julian, and Black Moshannon State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Very heavy rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4084 7790 4079 7795 4077 7802 4084 7814
4095 7808 4097 7797
TIME...MOT...LOC 1931Z 144DEG 8KT 4089 7803
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH
ColbertSpecial weather statement, Jun 18, 4:19 PM EDT, 3 hours 38 minutes before
Special Weather Statement
National Weather Service State College PA
419 PM EDT Tue Jun 18 2024
PAZ052-053-182100-
Columbia PA-Northumberland PA-
419 PM EDT Tue Jun 18 2024
...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN NORTHUMBERLAND AND
SOUTH CENTRAL COLUMBIA COUNTIES THROUGH 500 PM EDT...
At 419 PM EDT, Doppler radar was tracking a strong thunderstorm over
Shamokin, moving west southwest at 10 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...
Sunbury, Shamokin, Kulpmont, Elysburg, Fairview-Ferndale, Trevorton,
Marshallton, Rebuck, Stonington, Knoebels Grove, Edgewood, Marion
Heights, Snydertown, and Seven Points.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Very heavy rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.
&&
LAT...LON 4069 7673 4085 7681 4088 7680 4094 7659
4094 7656 4092 7657 4090 7656 4088 7654
4088 7652 4089 7653 4094 7652 4086 7644
4078 7642
TIME...MOT...LOC 2019Z 069DEG 8KT 4082 7655
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
LambertSpecial weather statement, Jun 18, 6:52 PM EDT, 1 hour 5 minutes before
Special Weather Statement
National Weather Service State College PA
652 PM EDT Tue Jun 18 2024
PAZ004-182345-
Warren PA-
652 PM EDT Tue Jun 18 2024
...STRONG THUNDERSTORMS WILL IMPACT SOUTHWESTERN WARREN COUNTY
THROUGH 745 PM EDT...
At 652 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 15 miles east of Meadville to 10 miles
northwest of Oil City to 19 miles northeast of Franklin. Movement was
northeast at 20 mph.
HAZARD...Wind gusts of 50 to 55 mph and half inch 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...
Enterprise, Garland, Grand Valley, Chapman State Park, and Tidioute.
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.
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.
Persons in campgrounds should consider seeking sturdy shelter until
these storms pass.
&&
LAT...LON 4188 7961 4178 7920 4172 7909 4163 7909
4162 7961
TIME...MOT...LOC 2252Z 220DEG 16KT 4165 7984 4156 7979 4156 7954
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH
LambertThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 8:23 PM EDT | Special Weather Statement | CTP | Potter | 52 min |
| Jun 17, 8:50 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Potter, Tioga | 55 min |
| Jun 18, 12:46 PM EDT | Special Weather Statement | CTP | Sullivan | 29 min |
| Jun 18, 1:47 PM EDT | Special Weather Statement | CTP | Cambria | 28 min |
| Jun 18, 1:54 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 51 min |
| Jun 18, 2:20 PM EDT | Special Weather Statement | CTP | Cambria | 25 min |
| Jun 18, 2:30 PM EDT | Areal Flood Advisory | CTP | Cambria | 90 min |
| Jun 18, 2:48 PM EDT | Special Weather Statement | CTP | Centre | 42 min |
| Jun 18, 3:32 PM EDT | Special Weather Statement | CTP | Centre | 28 min |
| Jun 18, 4:19 PM EDT | Special Weather Statement | CTP | Northumberland | 41 min |
| Jun 18, 6:52 PM EDT | Special Weather Statement | CTP | Warren | 53 min |
| Jun 18, 7:13 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 62 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2024Every severe thunderstorm warning in 2024
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.