Alert archive / Pennsylvania / Tornado Warnings in 2011

Tornado Warning 25, NWS Cleveland, OH

November 14, 2011Erie County, Pennsylvania

NWS Cleveland, OH issued this tornado warning at Nov 14, 2011, 4:49 PM EST for Erie County, Pennsylvania. It was in force for 41 min. 1 report 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
Nov 14, 2011, 4:49 PM EST (21:49 UTC)
Expired
Nov 14, 2011, 5:30 PM EST
In force
41 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon

County Erie County, PA

The radar

The Buffalo radar (KBUF), 143 km from the middle of the area, began a volume at 21:49 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

TimeReportWhereRemark
Nov 14, 5:21 PM ESTHAIL 0.885 N Albion, 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.

IssuedProductOfficeLasted
Nov 14, 3:29 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.8 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2011-11-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2011-11-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 294 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
19 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1036 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
294 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

163 
WFUS51 KCLE 142149
TORCLE
PAC049-142230-
/O.NEW.KCLE.TO.W.0025.111114T2149Z-111114T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
449 PM EST MON NOV 14 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN ERIE COUNTY IN NORTHWEST PENNSYLVANIA...

* UNTIL 530 PM EST

* AT 444 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED TWO SEVERE THUNDERSTORMS CAPABLE OF PRODUCING  
  TORNADOES. THESE DANGEROUS STORM WAS LOCATED OFFSHORE OF ERIE 
  COUNTY. ONE STORM WAS LOCATED 6 MILES NORTH OF GIRARD...OR 12 MILES 
  WEST OF ERIE...AND MOVING EAST AT 70 MPH. THE OTHER STORM WAS 
  LOCATED 10 WEST OF NORTHEAST ALSO MOVING EAST AT 70 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ERIE AND NORTH EAST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR CLOSET.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4201 7975 4200 7965 4199 7965 4191 8051
      4199 8052 4204 8036 4210 8019 4217 8013
      4218 8007 4216 8006 4221 7995 4228 7976
TIME...MOT...LOC 2146Z 264DEG 62KT 4209 8027

$$

MULLEN
2 follow-up statements
765 
WWUS51 KCLE 142205
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
505 PM EST MON NOV 14 2011

PAC049-142230-
/O.CON.KCLE.TO.W.0025.000000T0000Z-111114T2230Z/
ERIE PA-
505 PM EST MON NOV 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EST FOR NORTHERN
ERIE COUNTY IN NORTHWEST PENNSYLVANIA...

AT 502 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A POSSIBLE TORNADO. THIS POSSIBLE TORNADO WAS LOCATED 6
MILES SOUTHWEST OF NORTH EAST...OR 8 MILES NORTHEAST OF ERIE...MOVING
EAST AT 40 MPH.  A SECOND THUNDERSTORM CAPABLE OF PRODUCING A 
TORNADO REMAINS OVER LAKE ERIE TO THE WEST OF THE CITY OF ERIE.  
THIS STORM WAS ALSO MOVING EAST AT 40 MPH AND WILL COME ONSHORE 
AROUND 515 PM.  

LOCATIONS NEAR THE PATH OF THE  POSSIBLE TORNADO INCLUDE....

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. OTHERWISE...SEEK
SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR
ROOM SUCH AS A CLOSET.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST MONDAY EVENING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

&&

LAT...LON 4201 7975 4200 7965 4199 7965 4191 8051
      4199 8052 4204 8036 4210 8019 4217 8013
      4218 8007 4216 8006 4221 7995 4228 7976
TIME...MOT...LOC 2204Z 264DEG 62KT 4218 7989

$$

KUBINA
647 
WWUS51 KCLE 142234
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
534 PM EST MON NOV 14 2011

PAC049-142244-
/O.EXP.KCLE.TO.W.0025.000000T0000Z-111114T2230Z/
ERIE PA-
534 PM EST MON NOV 14 2011

...THE TORNADO WARNING FOR NORTHERN ERIE COUNTY IN NORTHWEST
PENNSYLVANIA EXPIRES AT 530 PM EST...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST MONDAY EVENING
FOR NORTHERN OHIO AND NORTHWEST PENNSYLVANIA.

LAT...LON 4201 7975 4200 7965 4199 7965 4191 8051
      4199 8052 4204 8036 4210 8019 4217 8013
      4218 8007 4216 8006 4221 7995 4228 7976
TIME...MOT...LOC 2205Z 264DEG 62KT 4217 7986

$$

KUBINA

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 14, 4:37 PM ESTSevere Thunderstorm WarningCLEErie68 min
Nov 14, 5:10 PM ESTAreal Flood AdvisoryCLECrawford, Erie6 hr

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.