Alert archive / Pennsylvania / Tornado Warnings in 2004

Tornado Warning 2, NWS Pittsburgh, PA

May 25, 2004Indiana County, Pennsylvania

NWS Pittsburgh, PA issued this tornado warning at May 25, 2004, 3:57 PM EDT for Indiana County, Pennsylvania. It was in force for 48 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 25, 2004, 3:57 PM EDT (19:57 UTC)
Expired: May 25, 2004, 4:45 PM EDT
In force: 48 min
Issued by: NWS Pittsburgh, PA
Area: Counties, with a storm outline in the text

County Indiana County, PA

The radar

The Pittsburgh radar (KPBZ), 96 km from the middle of the area, began a volume at 19:59 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, 8.0 hours before the alert went out and 85 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1145 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 131 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.

801 
WFUS51 KPBZ 251957
TORPBZ
PAC063-252045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
358 PM EDT TUE MAY 25 2004

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* TORNADO WARNING FOR...
  INDIANA COUNTY IN PENNSYLVANIA

* UNTIL 445 PM EDT

* AT 354 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BLACK
  LICK...AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BRUSH VLY...
  NEW FLORENCE...
  ARMAGH...

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. EVACUATE MOBILE HOMES AND
GET INSIDE A SUBSTANTIAL SHELTER.

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 4040 7898 4042 7901 4042 7904 4038 7906
      4039 7908 4037 7912 4040 7913 4040 7915
      4041 7916 4041 7921 4043 7923 4055 7923
      4055 7890

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 2:49 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny	26 min
May 25, 3:19 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Westmoreland	41 min
May 25, 3:25 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	65 min
May 25, 4:31 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	59 min
May 25, 5:27 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer	63 min
May 25, 5:32 PM EDT	Severe Thunderstorm Warning	PBZ	Venango	58 min
May 25, 5:37 PM EDT	Tornado Warning	PBZ	Venango	53 min
May 25, 6:07 PM EDT	Severe Thunderstorm Warning	PBZ	Forest	68 min
May 25, 7:55 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Venango	65 min

Nearby

Tornado Warnings in Pennsylvania, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.