Alert archive / Pennsylvania / Tornado Warnings in 2009
Tornado Warning 3, NWS State College, PA
NWS State College, PA issued this tornado warning at May 16, 2009, 1:42 PM EDT for Tioga County, Pennsylvania. It was in force for 33 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
- May 16, 2009, 1:42 PM EDT (17:42 UTC)
- Expired
- May 16, 2009, 2:15 PM EDT
- In force
- 33 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
County Tioga County, PA
The radar
The State College radar (KCCX), 90 km from the middle of the area, began a volume at 17:43 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 |
|---|---|---|---|
| May 16, 1:00 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.7 hours before the alert went out and 180 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
- 434 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1076 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 303 m²/s²
- 0-3 km storm-relative helicity
- 301 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS51 KCTP 161742
TORCTP
PAC117-161815-
/O.NEW.KCTP.TO.W.0003.090516T1742Z-090516T1815Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
142 PM EDT SAT MAY 16 2009
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN TIOGA COUNTY IN NORTH CENTRAL PENNSYLVANIA...
* UNTIL 215 PM EDT
* AT 139 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LEETONIA...
OR 16 MILES SOUTHWEST OF WELLSBORO...MOVING EAST AT 30 MPH.
* THE TORNADO WILL BE NEAR...
MORRIS AROUND 205 PM EDT...
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...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.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
SATURDAY EVENING FOR CENTRAL PENNSYLVANIA.
&&
LAT...LON 4172 7724 4159 7719 4154 7757 4154 7758
4159 7761 4160 7760
TIME...MOT...LOC 1741Z 248DEG 26KT 4159 7749
$$
FORECASTER: LA CORTE2 follow-up statements
000 WWUS51 KCTP 161753 SVSCTP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 153 PM EDT SAT MAY 16 2009 PAC117-161815- /O.CON.KCTP.TO.W.0003.000000T0000Z-090516T1815Z/ TIOGA PA- 153 PM EDT SAT MAY 16 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR SOUTH CENTRAL TIOGA COUNTY... AT 149 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM AND POSSIBLE TORNADO 8 MILES WEST OF MORRIS...OR 11 MILES SOUTHWEST OF WELLSBORO...MOVING EAST AT 30 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SATURDAY EVENING FOR CENTRAL PENNSYLVANIA. && LAT...LON 4172 7724 4160 7721 4155 7753 4160 7756 TIME...MOT...LOC 1752Z 248DEG 26KT 4162 7739 $$ FORECASTER: LA CORTE
000 WWUS51 KCTP 161816 SVSCTP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 216 PM EDT SAT MAY 16 2009 PAC117-161826- /O.EXP.KCTP.TO.W.0003.000000T0000Z-090516T1815Z/ TIOGA PA- 216 PM EDT SAT MAY 16 2009 ...THE TORNADO WARNING FOR SOUTH CENTRAL TIOGA COUNTY HAS EXPIRED... THE TORNADO WARNING WAS ALLOWED TO EXPIRE. 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. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SATURDAY EVENING FOR CENTRAL PENNSYLVANIA. LAT...LON 4172 7724 4160 7721 4155 7753 4160 7756 TIME...MOT...LOC 1753Z 248DEG 26KT 4162 7738 $$ FORECASTER: BEACHLER
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 1:33 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Potter, Tioga | 57 min |
| May 16, 2:16 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean | 59 min |
| May 16, 3:38 PM EDT | Special Weather Statement | CTP | Tioga | 37 min |
| May 16, 3:48 PM EDT | Special Weather Statement | CTP | Potter | 27 min |
| May 16, 3:54 PM EDT | Special Weather Statement | CTP | Cameron | 36 min |
| May 16, 4:16 PM EDT | Special Weather Statement | CTP | Tioga | 29 min |
| May 16, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 65 min |
| May 16, 4:29 PM EDT | Special Weather Statement | CTP | Sullivan | 31 min |
| May 16, 5:11 PM EDT | Special Weather Statement | CTP | Juniata, Mifflin | 34 min |
| May 16, 5:34 PM EDT | Special Weather Statement | CTP | Juniata, Snyder | 26 min |
| May 16, 6:00 PM EDT | Special Weather Statement | CTP | Columbia, Montour, Northumberland, Snyder | 45 min |
| May 16, 6:22 PM EDT | Special Weather Statement | CTP | Sullivan | 23 min |
| May 16, 6:31 PM EDT | Special Weather Statement | CTP | Franklin | 29 min |
| May 16, 6:35 PM EDT | Special Weather Statement | CTP | Columbia, Schuylkill | 40 min |
| May 16, 6:57 PM EDT | Special Weather Statement | CTP | Franklin | 33 min |
| May 16, 7:11 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon, Perry | 64 min |
| May 16, 7:32 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Schuylkill | 58 min |
| May 16, 7:38 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 52 min |
| May 16, 7:50 PM EDT | Special Weather Statement | CTP | York | 70 min |
| May 16, 7:58 PM EDT | Special Weather Statement | CTP | Carbon | 17 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.