Alert archive / Pennsylvania / Tornado Warnings in 2009
Tornado Warning 7, NWS State College, PA
NWS State College, PA issued this tornado warning at Jul 11, 2009, 7:17 PM EDT for Elk County, Pennsylvania. It was in force for 28 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
- Jul 11, 2009, 7:17 PM EDT (23:17 UTC)
- Expired
- Jul 11, 2009, 7:45 PM EDT
- In force
- 28 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
County Elk County, PA
The radar
The State College radar (KCCX), 63 km from the middle of the area, began a volume at 23:18 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 12:00Z, 11.3 hours before the alert went out and 167 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
- 1949 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 560 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS51 KCTP 112317
TORCTP
PAC047-112345-
/O.NEW.KCTP.TO.W.0007.090711T2317Z-090711T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
717 PM EDT SAT JUL 11 2009
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN ELK COUNTY IN NORTH CENTRAL PENNSYLVANIA...
* UNTIL 745 PM EDT
* AT 716 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BRANDY
CAMP...OR NEAR RIDGWAY...MOVING EAST AT 25 MPH.
* THE TORNADO WILL BE NEAR...
FORCE...MEDIX RUN AND BENEZETTE AROUND 745 PM EDT...
THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 219...STATE ROAD
120...STATE ROAD 255.
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...TAKE SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN A MOBILE HOME OR VEHICLE...LEAVE IT AND GET INSIDE A STRONG
BUILDING. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 4135 7828 4123 7833 4125 7865 4133 7884
4144 7878
TIME...MOT...LOC 2317Z 290DEG 23KT 4135 7871
$$
FORECASTER: STEINBUGL1 follow-up statement
000
WWUS51 KCTP 112329
SVSCTP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
729 PM EDT SAT JUL 11 2009
PAC047-112345-
/O.CON.KCTP.TO.W.0007.000000T0000Z-090711T2345Z/
ELK PA-
729 PM EDT SAT JUL 11 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
SOUTHEASTERN ELK COUNTY...
AT 728 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 7 MILES NORTHWEST OF
FORCE...OR 7 MILES SOUTH OF ST. MARYS...MOVING EAST AT 25 MPH.
THIS WILL IMPACT STATE ROAD 255.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
&&
LAT...LON 4141 7859 4135 7828 4123 7833 4125 7857
4125 7865 4141 7864
TIME...MOT...LOC 2329Z 290DEG 23KT 4133 7858
$$
FORECASTER: STEINBUGLThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 12:09 PM EDT | Special Weather Statement | CTP | Blair | 36 min |
| Jul 11, 12:23 PM EDT | Special Weather Statement | CTP | McKean, Warren | 82 min |
| Jul 11, 12:43 PM EDT | Special Weather Statement | CTP | Bedford | 32 min |
| Jul 11, 12:46 PM EDT | Special Weather Statement | CTP | McKean, Warren | 74 min |
| Jul 11, 12:57 PM EDT | Areal Flood Advisory | CTP | McKean, Warren | 3 hr |
| Jul 11, 1:42 PM EDT | Special Weather Statement | CTP | McKean, Potter | 63 min |
| Jul 11, 1:47 PM EDT | Special Weather Statement | CTP | Blair | 43 min |
| Jul 11, 1:57 PM EDT | Special Weather Statement | CTP | Fulton | 63 min |
| Jul 11, 2:04 PM EDT | Special Weather Statement | CTP | Centre, Mifflin | 56 min |
| Jul 11, 2:27 PM EDT | Areal Flood Advisory | CTP | Fulton | 117 min |
| Jul 11, 2:35 PM EDT | Areal Flood Advisory | CTP | Cameron, Elk, McKean, Potter, Tioga | 117 min |
| Jul 11, 2:48 PM EDT | Special Weather Statement | CTP | Franklin | 57 min |
| Jul 11, 2:59 PM EDT | Special Weather Statement | CTP | Lycoming, Tioga | 76 min |
| Jul 11, 3:01 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 59 min |
| Jul 11, 3:38 PM EDT | Areal Flood Advisory | CTP | Franklin | 112 min |
| Jul 11, 3:52 PM EDT | Special Weather Statement | CTP | Dauphin, Lebanon | 53 min |
| Jul 11, 3:58 PM EDT | Special Weather Statement | CTP | Adams | 62 min |
| Jul 11, 4:30 PM EDT | Special Weather Statement | CTP | Lycoming | 60 min |
| Jul 11, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Northumberland, Union | 62 min |
| Jul 11, 5:13 PM EDT | Special Weather Statement | CTP | Columbia, Sullivan | 62 min |
| Jul 11, 5:28 PM EDT | Tornado Warning | CTP | Lycoming, Northumberland, Union | 32 min |
| Jul 11, 5:38 PM EDT | Special Weather Statement | CTP | Warren | 37 min |
| Jul 11, 5:42 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 63 min |
| Jul 11, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 59 min |
| Jul 11, 5:51 PM EDT | Tornado Warning | CTP | Columbia, Montour, Northumberland | 54 min |
| Jul 11, 5:57 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk | 63 min |
| Jul 11, 6:07 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Clearfield | 42 min |
| Jul 11, 6:33 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 87 min |
| Jul 11, 6:42 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Clearfield, Huntingdon, Mifflin | 63 min |
| Jul 11, 6:43 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 62 min |
| Jul 11, 7:05 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Perry | 40 min |
| Jul 11, 7:13 PM EDT | Special Weather Statement | CTP | Adams, Franklin | 62 min |
| Jul 11, 7:19 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Huntingdon, Lycoming, Mifflin, Montour and 3 more | 71 min |
| Jul 11, 7:32 PM EDT | Special Weather Statement | CTP | Schuylkill | 58 min |
| Jul 11, 7:44 PM EDT | Special Weather Statement | CTP | Columbia, Dauphin, Montour, Northumberland | 61 min |
| Jul 11, 7:50 PM EDT | Special Weather Statement | CTP | Cameron | 40 min |
Nearby
Tornado Warnings in Pennsylvania, 2009Every tornado warning in 2009Tornadoes in 2009
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.