Alert archive / Pennsylvania / Tornado Warnings in 2011
Tornado Warning 2, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at Mar 23, 2011, 4:54 PM EDT for Indiana County, Westmoreland County, Pennsylvania. It was in force for 36 min. 7 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
- Mar 23, 2011, 4:54 PM EDT (20:54 UTC)
- Expired
- Mar 23, 2011, 5:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
Counties Indiana County, PA, Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 84 km from the middle of the area, began a volume at 20:54 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 |
|---|---|---|---|
| Mar 23, 4:56 PM EDT | HAIL 1.75 | Latrobe, PA | |
| Mar 23, 4:57 PM EDT | HAIL 1.25 | Latrobe, PA | |
| Mar 23, 4:59 PM EDT | HAIL 1 | Latrobe, PA | |
| Mar 23, 5:03 PM EDT | HAIL 1.75 | Latrobe, PA | |
| Mar 23, 5:04 PM EDT | HAIL 1.75 | 1 N Whitney, PA | |
| Mar 23, 5:10 PM EDT | HAIL 1.75 | Latrobe, PA | LAWSON HEIGHTS AREA |
| Mar 23, 5:14 PM EDT | HAIL 1.75 | Latrobe, PA | LAWSON HEIGHTS |
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 |
|---|---|---|---|
| Mar 23, 1:13 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 8.9 hours before the alert went out and 71 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
- 742 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 546 m²/s²
- 0-3 km storm-relative helicity
- 612 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
736 WFUS51 KPBZ 232054 TORPBZ PAC063-129-232130- /O.NEW.KPBZ.TO.W.0002.110323T2054Z-110323T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 454 PM EDT WED MAR 23 2011 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A * TORNADO WARNING FOR... CENTRAL WESTMORELAND COUNTY IN SOUTHWEST PENNSYLVANIA... EXTREME SOUTH CENTRAL INDIANA COUNTY IN WEST CENTRAL PENNSYLVANIA... * UNTIL 530 PM EDT * AT 450 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES NORTH OF NORVELT...MOVING EAST AT 45 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW ALEXANDRIA... LATROBE... DERRY... LIGONIER... NEW FLORENCE... 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. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND SOUTHWESTERN PENNSYLVANIA AND NORTHERN WEST VIRGINIA. && LAT...LON 4040 7905 4018 7916 4021 7955 4042 7952 TIME...MOT...LOC 2055Z 272DEG 39KT 4030 7945 $$
3 follow-up statements
162 WWUS51 KPBZ 232104 SVSPBZ SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 504 PM EDT WED MAR 23 2011 PAC063-129-232130- /O.CON.KPBZ.TO.W.0002.000000T0000Z-110323T2130Z/ WESTMORELAND PA-INDIANA PA- 504 PM EDT WED MAR 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR INDIANA AND WESTMORELAND COUNTIES... AT 502 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR MCCANCE...MOVING EAST AT 40 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW ALEXANDRIA... LATROBE... DERRY... LIGONIER... NEW FLORENCE... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND SOUTHWESTERN PENNSYLVANIA AND NORTHERN WEST VIRGINIA. LAT...LON 4040 7905 4018 7916 4021 7955 4042 7952 TIME...MOT...LOC 2104Z 281DEG 80KT 4027 7924 $$
419 WWUS51 KPBZ 232108 SVSPBZ SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 508 PM EDT WED MAR 23 2011 PAC063-129-232130- /O.CON.KPBZ.TO.W.0002.000000T0000Z-110323T2130Z/ WESTMORELAND PA-INDIANA PA- 508 PM EDT WED MAR 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR INDIANA AND WESTMORELAND COUNTIES... AT 507 PM EDT...THIS TORNADO WAS LOCATED NEAR OAK GROVE...MOVING EAST AT 40 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LIGONIER... DERRY... 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. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND SOUTHWESTERN PENNSYLVANIA AND NORTHERN WEST VIRGINIA. LAT...LON 4020 7937 4039 7928 4037 7906 4018 7916 TIME...MOT...LOC 2108Z 281DEG 80KT 4025 7918 $$
411 WWUS51 KPBZ 232122 SVSPBZ SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 522 PM EDT WED MAR 23 2011 PAC063-129-232132- /O.EXP.KPBZ.TO.W.0002.000000T0000Z-110323T2130Z/ WESTMORELAND PA-INDIANA PA- 522 PM EDT WED MAR 23 2011 ...THE TORNADO WARNING FOR INDIANA AND WESTMORELAND COUNTIES EXPIRES AT 530 PM EDT... A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND SOUTHWESTERN PENNSYLVANIA AND NORTHERN WEST VIRGINIA. LAT...LON 4020 7937 4039 7928 4037 7906 4018 7916 TIME...MOT...LOC 2122Z 281DEG 80KT 4019 7903 $$
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 3:16 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 59 min |
| Mar 23, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 54 min |
| Mar 23, 3:45 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Indiana, Westmoreland | 60 min |
| Mar 23, 3:47 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 58 min |
| Mar 23, 4:09 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 66 min |
| Mar 23, 4:18 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 27 min |
| Mar 23, 4:20 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 40 min |
| Mar 23, 4:25 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 65 min |
| Mar 23, 4:34 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Indiana, Westmoreland | 56 min |
| Mar 23, 4:37 PM EDT | Tornado Warning | PBZ | Westmoreland | 23 min |
| Mar 23, 4:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 63 min |
| Mar 23, 4:55 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Washington, Westmoreland | 65 min |
| Mar 23, 5:14 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 47 min |
| Mar 23, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 42 min |
| Mar 23, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 39 min |
| Mar 23, 5:38 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 22 min |
| Mar 23, 5:46 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 59 min |
| Mar 23, 6:02 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 45 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.