Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 3, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jan 17, 2012, 7:20 PM EST for 4 counties in Pennsylvania. It was in force for 55 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
- Jan 17, 2012, 7:20 PM EST (00:20 UTC)
- Expired
- Jan 17, 2012, 8:15 PM EST
- In force
- 55 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Cambria County, PA, Cameron County, PA, Clearfield County, PA, Elk County, PA
The radar
The State College radar (KCCX), 66 km from the middle of the area, began a volume at 00:22 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
Pittsburgh, PA (KPIT), launched 00:00Z, 0.3 hours before the alert went out and 144 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
- 60 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 718 m above ground
- 0-6 km bulk shear
- 94 kt
- 0-1 km storm-relative helicity
- 410 m²/s²
- 0-3 km storm-relative helicity
- 424 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
622
WUUS51 KCTP 180020
SVRCTP
PAC021-023-033-047-180115-
/O.NEW.KCTP.SV.W.0003.120118T0020Z-120118T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
720 PM EST TUE JAN 17 2012
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL CAMBRIA COUNTY IN CENTRAL PENNSYLVANIA...
SOUTHEASTERN CAMERON COUNTY IN NORTH CENTRAL PENNSYLVANIA...
CLEARFIELD COUNTY IN CENTRAL PENNSYLVANIA...
SOUTHERN ELK COUNTY IN NORTH CENTRAL PENNSYLVANIA...
* UNTIL 815 PM EST
* AT 718 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
PORTLAND MILLS TO WEST LEBANON...MOVING EAST AT 55 MPH. THESE
STORMS ARE CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND HAIL.
* LOCATIONS IN THE WARNING INCLUDE...
DUBOIS...
TREASURE LAKE...
FORCE AND ROCKTON...
MEDIX RUN AND S.B. ELLIOT STATE PARK...
BENEZETTE AND NORTHERN CAMBRIA...
HICKS RUN AND HASTINGS...
THIS WILL IMPACT I-80 BETWEEN MILE MARKERS 97 AND 123.
THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 119...ROUTE
219...ROUTE 322...STATE ROAD 120...STATE ROAD 153...STATE ROAD 255.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS CREATE WINDS OF MORE THAN 57 MPH...OR HAIL ONE
INCH OR LARGER.
SEVERE THUNDERSTORMS PRODUCE DAMAGE. MOVE INSIDE A PERMANENT BUILDING
NOW TO BE SAFE FROM STRONG WIND GUSTS AND LARGE HAIL.
PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.
&&
LAT...LON 4142 7897 4124 7868 4148 7800 4147 7799
4058 7864 4058 7888 4072 7881 4113 7881
4120 7878 4120 7872 4122 7872 4127 7876
4137 7897 4135 7902
TIME...MOT...LOC 0020Z 269DEG 47KT 4132 7883 4062 7934
$$
FORECASTER: MARTINThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 7:53 PM EST | Special Weather Statement | CTP | Blair, Cambria, Somerset | 52 min |
| Jan 17, 8:06 PM EST | Special Weather Statement | CTP | Centre, Clinton, Potter, Tioga | 54 min |
| Jan 17, 8:52 PM EST | Special Weather Statement | CTP | Bedford, Franklin, Fulton, Huntingdon, Juniata, Mifflin and 1 more | 53 min |
| Jan 17, 8:58 PM EST | Special Weather Statement | CTP | Lycoming, Montour, Snyder, Sullivan, Union | 47 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2012Every severe thunderstorm warning in 2012
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.