Alert archive / Pennsylvania / Tornado Warnings in 2004

Tornado Warning 7, NWS Pittsburgh, PA

August 19, 2004Indiana County, Pennsylvania

NWS Pittsburgh, PA issued this tornado warning at Aug 19, 2004, 2:26 PM EDT for Indiana County, Pennsylvania. It was in force for 34 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: Aug 19, 2004, 2:26 PM EDT (18:26 UTC)
Expired: Aug 19, 2004, 3:00 PM EDT
In force: 34 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), 89 km from the middle of the area, began a volume at 18:29 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, 6.4 hours before the alert went out and 79 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: 21 J/kg
Mixed-layer CIN: -234 J/kg
Mixed-layer LCL: 963 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 150 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.

000 
WFUS51 KPBZ 191826
TORPBZ
PAC063-191900-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
225 PM EDT THU AUG 19 2004

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* TORNADO WARNING FOR...
  INDIANA COUNTY IN PENNSYLVANIA

* UNTIL 300 PM EDT

* AT 224 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES
  NORTHWEST OF BLAIRSVILLE...AND MOVING SOUTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HOMER CITY...
  ARMAGH...
  NEW FLORENCE...

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 7904 4038 7906 4037 7912
      4040 7913 4041 7921 4043 7923 4042 7926
      4046 7931 4047 7939 4053 7944 4066 7933
      4048 7893

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 1:25 PM EDT	Severe Thunderstorm Warning	PBZ	Butler	50 min
Aug 19, 2:06 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong	39 min
Aug 19, 2:12 PM EDT	Tornado Warning	PBZ	Armstrong	33 min
Aug 19, 2:46 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny	59 min
Aug 19, 2:48 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	42 min
Aug 19, 3:01 PM EDT	Tornado Warning	PBZ	Indiana	59 min
Aug 19, 3:30 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	60 min
Aug 19, 4:25 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	65 min
Aug 19, 4:50 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	55 min
Aug 19, 4:58 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	62 min
Aug 19, 6:05 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny	55 min
Aug 19, 6:38 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	52 min
Aug 19, 6:38 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	67 min
Aug 19, 6:42 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	63 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.