Alert archive / Pennsylvania / Tornado Warnings in 2014

Tornado Warning 2, NWS Pittsburgh, PA

June 24, 2014Clarion County, Forest County, Venango County, Pennsylvania

NWS Pittsburgh, PA issued this tornado warning at Jun 24, 2014, 2:44 PM EDT for Clarion County, Forest County, Venango County, Pennsylvania. It was in force for 31 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: Jun 24, 2014, 2:44 PM EDT (18:44 UTC)
Expired: Jun 24, 2014, 3:15 PM EDT
In force: 31 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon

Counties Clarion County, PA, Forest County, PA, Venango County, PA

The radar

The Pittsburgh radar (KPBZ), 131 km from the middle of the area, began a volume at 18:45 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 (KAGC), launched 12:00Z, 6.7 hours before the alert went out and 137 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 81 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 1040 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 189 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

172 
WFUS51 KPBZ 241844
TORPBZ
PAC031-053-121-241915-
/O.NEW.KPBZ.TO.W.0002.140624T1844Z-140624T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
244 PM EDT TUE JUN 24 2014

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CLARION COUNTY IN WEST CENTRAL PENNSYLVANIA...
  WESTERN FOREST COUNTY IN NORTHWEST PENNSYLVANIA...
  EASTERN VENANGO COUNTY IN NORTHWEST PENNSYLVANIA...

* UNTIL 315 PM EDT

* AT 242 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS 5 MILES SOUTHWEST OF TIONESTA...MOVING NORTHEAST AT 30
  MPH.

  HAZARD...TORNADO.

  SOURCE...RADAR.

  IMPACT...FLYING DEBRIS...STRUCTURAL DAMAGE.

* LOCATIONS IMPACTED INCLUDE...
  TIONESTA...           WEST HICKORY...       KELLETTVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS.

PLEASE REPORT SEVERE WEATHER BY CALLING...412-262-1988...POSTING TO
THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER @NWSPITTSBURGH.

&&

LAT...LON 4149 7912 4134 7960 4150 7971 4163 7940
      4163 7922
TIME...MOT...LOC 1844Z 245DEG 27KT 4147 7953

$$
34

3 follow-up statements

738 
WWUS51 KPBZ 241856
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
256 PM EDT TUE JUN 24 2014

PAC031-241906-
/O.CAN.KPBZ.TO.W.0002.000000T0000Z-140624T1915Z/
CLARION PA-
256 PM EDT TUE JUN 24 2014

...THE TORNADO WARNING IS CANCELLED FOR CLARION COUNTY...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE WARNED
AREA. THUS THE TORNADO WARNING HAS BEEN CANCELLED.

PLEASE REPORT SEVERE WEATHER BY CALLING...412-262-1988...POSTING TO
THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER @NWSPITTSBURGH.

LAT...LON 4149 7912 4140 7960 4152 7967 4163 7940
      4163 7922
TIME...MOT...LOC 1856Z 245DEG 17KT 4149 7948

$$

PAC053-121-241915-
/O.CON.KPBZ.TO.W.0002.000000T0000Z-140624T1915Z/
FOREST PA-VENANGO PA-
256 PM EDT TUE JUN 24 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR VENANGO
AND FOREST COUNTIES...

AT 254 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR TIONESTA...MOVING NORTHEAST AT 20 MPH.

  HAZARD...TORNADO.

  SOURCE...RADAR.

  IMPACT...FLYING DEBRIS...STRUCTURAL DAMAGE.

* LOCATIONS IMPACTED INCLUDE...
  TIONESTA...           WEST HICKORY...       KELLETTVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS.

PLEASE REPORT SEVERE WEATHER BY CALLING...412-262-1988...POSTING TO
THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER @NWSPITTSBURGH.

&&

LAT...LON 4149 7912 4140 7960 4152 7967 4163 7940
      4163 7922
TIME...MOT...LOC 1856Z 245DEG 17KT 4149 7948

$$
34

350 
WWUS51 KPBZ 241910
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
310 PM EDT TUE JUN 24 2014

PAC121-241920-
/O.CAN.KPBZ.TO.W.0002.000000T0000Z-140624T1915Z/
VENANGO PA-
310 PM EDT TUE JUN 24 2014

...THE TORNADO WARNING IS CANCELLED FOR VENANGO COUNTY...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE WARNED
AREA. THUS THE TORNADO WARNING HAS BEEN CANCELLED.

PLEASE REPORT SEVERE WEATHER BY CALLING...412-262-1988...POSTING TO
THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER @NWSPITTSBURGH.

LAT...LON 4149 7912 4148 7947 4158 7951 4163 7940
      4163 7922
TIME...MOT...LOC 1910Z 255DEG 17KT 4151 7941

$$

PAC053-241915-
/O.CON.KPBZ.TO.W.0002.000000T0000Z-140624T1915Z/
FOREST PA-
310 PM EDT TUE JUN 24 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR FOREST
COUNTY...

AT 306 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR TIONESTA...MOVING EAST AT 20 MPH.

  HAZARD...TORNADO.

  SOURCE...RADAR.

  IMPACT...FLYING DEBRIS...STRUCTURAL DAMAGE.

* LOCATIONS IMPACTED INCLUDE...
  TIONESTA...           WEST HICKORY...       KELLETTVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS.

PLEASE REPORT SEVERE WEATHER BY CALLING...412-262-1988...POSTING TO
THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER @NWSPITTSBURGH.

&&

LAT...LON 4149 7912 4148 7947 4158 7951 4163 7940
      4163 7922
TIME...MOT...LOC 1910Z 255DEG 17KT 4151 7941

$$
34

164 
WWUS51 KPBZ 241915
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
315 PM EDT TUE JUN 24 2014

PAC053-241925-
/O.EXP.KPBZ.TO.W.0002.000000T0000Z-140624T1915Z/
FOREST PA-
315 PM EDT TUE JUN 24 2014

...THE TORNADO WARNING HAS EXPIRED FOR FOREST COUNTY...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED. THUS THE 
TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

PLEASE REPORT SEVERE WEATHER BY CALLING...412-262-1988...POSTING TO
THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER @NWSPITTSBURGH.

LAT...LON 4149 7912 4148 7947 4158 7951 4163 7940
      4163 7922
TIME...MOT...LOC 1915Z 245DEG 17KT 4153 7937

$$
34

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 10:43 PM EDT	Areal Flood Warning	PBZ	Butler	6 hr
Jun 24, 12:02 PM EDT	Flash Flood Watch	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 4 more	26 hr
Jun 24, 2:35 PM EDT	Special Weather Statement	PBZ	Forest	55 min
Jun 24, 4:26 PM EDT	Special Weather Statement	PBZ	Forest	49 min
Jun 24, 6:52 PM EDT	Severe Thunderstorm Warning	PBZ	Butler	38 min
Jun 24, 7:29 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion, Indiana, Jefferson, Venango	46 min

Nearby

Tornado Warnings in Pennsylvania, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.