Alert archive / Pennsylvania / Tornado Warnings in 2011
Tornado Warning 22, NWS State College, PA
NWS State College, PA issued this tornado warning at May 26, 2011, 5:07 PM EDT for 4 counties in Pennsylvania. It was in force for 68 min. 19 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 26, 2011, 5:07 PM EDT (21:07 UTC)
- Expired
- May 26, 2011, 6:15 PM EDT
- In force
- 68 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Adams County, PA, Cumberland County, PA, Franklin County, PA, Fulton County, PA
The radar
The Sterling radar (KLWX), 109 km from the middle of the area, began a volume at 21:07 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 26, 5:25 PM EDT | TSTM WND DMG | Chambersburg, PA | ROOF DAMAGED. |
| May 26, 5:30 PM EDT | HAIL 2 | 4 Ssw Big Cove Tannery, PA | |
| May 26, 5:32 PM EDT | HAIL 1 | 5 Ssw Chambersburg, PA | AT MARION IN GUILFORD TOWNSHIP |
| May 26, 5:35 PM EDT | HAIL 1 | Chambersburg, PA | |
| May 26, 5:38 PM EDT | HAIL 2 | Mercersburg, PA | MOST OF THE HAIL WAS QUARTER-SIZED...BUT HAIL UP TO 2 INCHES IN DIAMETER WAS OBSERVED. |
| May 26, 5:40 PM EDT | TSTM WND DMG | Mercersburg, PA | 911 CENTER REPORTED TREES DOWN WITH HEAVY RAIN AND SMALL HAIL IN MERCERSBURG AND CHAMBERSBURG. |
| May 26, 5:44 PM EDT | HAIL 1.75 | Mercersburg, PA | QUARTER TO GOLF BALL SIZED HAIL REPORTED |
| May 26, 5:53 PM EDT | TSTM WND GST 60 | Greencastle, PA | WIND GUST NW AT 60 MPH. |
| May 26, 6:00 PM EDT | TSTM WND DMG | 5 Ssw Chambersburg, PA | TREES AND WIRES DOWN AT MARION IN GUILFORD TOWNSHIP |
| May 26, 6:00 PM EDT | TSTM WND DMG | Warfordsburg, PA | NUMEROUS TREES AND WIRES DOWN COUNTY WIDE WITH SOME ROAD CLOSURES |
| May 26, 6:05 PM EDT | HAIL 1 | 5 Ssw Chambersburg, PA | AT MARION IN GUILFORD TOWNSHIP. |
| May 26, 6:07 PM EDT | HAIL 1 | Williamson, PA | |
| May 26, 6:08 PM EDT | HAIL 1.5 | Marion, PA | |
| May 26, 6:10 PM EDT | TSTM WND DMG | Chambersburg, PA | NUMEROUS LARGE BRANCHES DOWN |
| May 26, 6:10 PM EDT | HAIL 1 | Mercersburg, PA | |
| May 26, 6:10 PM EDT | TORNADO | New Franklin, PA | A TORNADO BRIEFLY TOUCHED DOWN JUST WEST OF ROUTE 316 IN NEW FRANKLIN IN A HEAVILY WOODED AREA. MORE THAN A DOZEN PINE TREES WERE SNAPPED OFF. THE TORNADO DAMAGE AREA WAS LOCATED ON THE SOUTHERN EDGE OF A MUCH LARGER AREA OF DOWNBURST WIND DAMAGE WHICH EXTENDE |
| May 26, 6:13 PM EDT | TSTM WND DMG | 3 Se Chambersburg, PA | TRACTOR TRAILER BLOWN OVER ON I 81 NEAR WAYNE EXIT. ROAD SIGNS ALSO BLOWN OVER |
| May 26, 6:20 PM EDT | TSTM WND DMG | Chambersburg, PA | ROOF DAMAGED. |
| May 26, 6:24 PM EDT | HAIL 1 | Chambersburg, PA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 26, 2:53 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.1 hours before the alert went out and 112 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 240 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
242 WFUS51 KCTP 262107 TORCTP PAC001-041-055-057-262215- /O.NEW.KCTP.TO.W.0022.110526T2107Z-110526T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 507 PM EDT THU MAY 26 2011 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * TORNADO WARNING FOR... WESTERN ADAMS COUNTY IN SOUTH CENTRAL PENNSYLVANIA... WESTERN CUMBERLAND COUNTY IN SOUTH CENTRAL PENNSYLVANIA... FRANKLIN COUNTY IN SOUTH CENTRAL PENNSYLVANIA... SOUTHERN FULTON COUNTY IN SOUTH CENTRAL PENNSYLVANIA... * UNTIL 615 PM EDT * AT 503 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM CONTAINING THE POSSIBLE TORNADO WAS NEAR FOREST PARK...MOVING NORTHEAST AT 40 MPH. * THE TORNADO WILL BE NEAR... COVE MILLS AROUND 515 PM EDT... BIG COVE TANNERY AROUND 530 PM EDT... CLAYLICK AROUND 535 PM EDT... MERCERSBURG AROUND 540 PM EDT... FORT LOUDON AROUND 545 PM EDT... GREENCASTLE AROUND 550 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. THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES... I-70 BETWEEN MILE MARKERS 165 AND 170...I-81 BETWEEN MILE MARKERS 1 AND 38. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 11...ROUTE 15...ROUTE 30...ROUTE 522...STATE ROAD 97. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER INSIDE NOW. DO NOT WAIT TO SEE OR HEAR THE TORNADO. MOVE TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF A STURDY BUILDING. PUT AS MANY WALLS BETWEEN YOU AND THE OUTSIDE AS YOU CAN. AVOID WINDOWS. PROTECT YOURSELF FROM FLYING DEBRIS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR CENTRAL PENNSYLVANIA. && LAT...LON 4019 7736 3972 7711 3972 7835 TIME...MOT...LOC 2107Z 243DEG 33KT 3969 7823 $$ FORECASTER: CERU/GRUMM
2 follow-up statements
625 WWUS51 KCTP 262143 SVSCTP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 543 PM EDT THU MAY 26 2011 PAC001-041-055-057-262215- /O.CON.KCTP.TO.W.0022.000000T0000Z-110526T2215Z/ ADAMS PA-CUMBERLAND PA-FRANKLIN PA-FULTON PA- 543 PM EDT THU MAY 26 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR SOUTH CENTRAL FULTON...FRANKLIN...SOUTHWESTERN CUMBERLAND AND WESTERN ADAMS COUNTIES... AT 538 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION THAT MAY BE PRODUCING A TORNADO. THIS STORM THAT MAY BE PRODUCING A TORNADO WAS LOCATED NEAR MERCERSBURG...OR 13 MILES WEST OF GREENCASTLE...MOVING EAST AT 40 MPH. THE TORNADO WILL BE NEAR... FORT LOUDON AROUND 550 PM EDT... GREENCASTLE AROUND 555 PM EDT... MARION AND ST. THOMAS AROUND 600 PM EDT... CHAMBERSBURG AND UPPER STRASBURG AROUND 605 PM EDT... FAYETTEVILLE AND SCOTLAND AROUND 610 PM EDT... SHIPPENSBURG AROUND 615 PM EDT... THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES... I-70 BETWEEN MILE MARKERS 166 AND 170...I-81 BETWEEN MILE MARKERS 1 AND 36. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 11...ROUTE 30...ROUTE 522. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE...AND STAY AWAY FROM WINDOWS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR CENTRAL PENNSYLVANIA. && LAT...LON 3977 7824 4019 7736 3972 7736 3972 7818 TIME...MOT...LOC 2142Z 250DEG 34KT 3982 7792 $$ FORECASTER: CERU
158
WWUS51 KCTP 262202
SVSCTP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
602 PM EDT THU MAY 26 2011
PAC057-262211-
/O.CAN.KCTP.TO.W.0022.000000T0000Z-110526T2215Z/
FULTON PA-
602 PM EDT THU MAY 26 2011
...THE TORNADO WARNING FOR SOUTH CENTRAL FULTON COUNTY IS
CANCELLED...
THE STORM THAT PROMPTED THE TORNADO WARNING HAS MOVED OUT OF THE
AREA...THEREFORE THE TORNADO WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR CENTRAL PENNSYLVANIA.
LAT...LON 3988 7797 3989 7797 4019 7736 3972 7736
3972 7793
TIME...MOT...LOC 2201Z 250DEG 34KT 3988 7770
$$
PAC001-041-055-262215-
/O.CON.KCTP.TO.W.0022.000000T0000Z-110526T2215Z/
ADAMS PA-CUMBERLAND PA-FRANKLIN PA-
602 PM EDT THU MAY 26 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
FRANKLIN...SOUTHWESTERN CUMBERLAND AND WESTERN ADAMS COUNTIES...
THE TORNADO WILL BE NEAR...
FAYETTEVILLE AND SCOTLAND AROUND 610 PM EDT...
SHIPPENSBURG AROUND 615 PM EDT...
THIS WILL IMPACT I-81 BETWEEN MILE MARKERS 1 AND 36.
THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 11...ROUTE
30.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR CENTRAL PENNSYLVANIA.
&&
LAT...LON 3988 7797 3989 7797 4019 7736 3972 7736
3972 7793
TIME...MOT...LOC 2201Z 250DEG 34KT 3988 7770
$$
FORECASTER: KREKELER/KOZARThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 8:10 PM EDT | Special Weather Statement | CTP | Warren | 110 min |
| May 25, 9:19 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 56 min |
| May 25, 10:14 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 61 min |
| May 25, 10:40 PM EDT | Special Weather Statement | CTP | Cameron, Elk | 80 min |
| May 25, 11:10 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Clinton, Elk, McKean, Potter | 65 min |
| May 25, 11:24 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter, Tioga | 66 min |
| May 25, 11:55 PM EDT | Special Weather Statement | CTP | Clinton, Tioga | 80 min |
| May 26, 12:13 AM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Potter, Tioga | 62 min |
| May 26, 1:26 AM EDT | Special Weather Statement | CTP | Lycoming | 64 min |
| May 26, 2:25 AM EDT | Special Weather Statement | CTP | Sullivan | 50 min |
| May 26, 3:09 PM EDT | Special Weather Statement | CTP | Northumberland, Snyder | 36 min |
| May 26, 3:19 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Snyder, Union | 56 min |
| May 26, 3:43 PM EDT | Special Weather Statement | CTP | Tioga | 62 min |
| May 26, 4:11 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 49 min |
| May 26, 4:19 PM EDT | Special Weather Statement | CTP | Schuylkill | 26 min |
| May 26, 4:26 PM EDT | Special Weather Statement | CTP | Bedford | 64 min |
| May 26, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 76 min |
| May 26, 4:49 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland, Schuylkill | 56 min |
| May 26, 4:54 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland | 66 min |
| May 26, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Franklin, Fulton, Huntingdon | 60 min |
| May 26, 5:35 PM EDT | Special Weather Statement | CTP | Clinton | 55 min |
| May 26, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Clearfield, Elk, Somerset | 55 min |
| May 26, 5:49 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 41 min |
| May 26, 5:49 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Juniata, Perry | 56 min |
| May 26, 6:11 PM EDT | Tornado Warning | CTP | Adams, Cumberland, Franklin, Fulton | 49 min |
| May 26, 6:28 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cameron, Centre, Clearfield, Clinton, Elk and 3 more | 62 min |
| May 26, 6:29 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 61 min |
| May 26, 6:40 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Franklin, Lebanon, Northumberland and 3 more | 65 min |
| May 26, 6:48 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin, Perry, York | 3 hr |
| May 26, 7:10 PM EDT | Flash Flood Warning | CTP | Franklin, Fulton | 3 hr |
| May 26, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Potter, Sullivan, Tioga | 67 min |
| May 26, 7:28 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland, Schuylkill | 62 min |
| May 26, 7:34 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 1 more | 56 min |
| May 26, 7:54 PM EDT | Tornado Warning | CTP | Dauphin, Lebanon, Schuylkill | 36 min |
Nearby
Tornado Warnings in Pennsylvania, 2011Every tornado warning in 2011Tornadoes in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.