Alert archive / Pennsylvania / Tornado Warnings in 2016
Tornado Warning 7, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at Sep 17, 2016, 6:01 PM EDT for 4 counties in Pennsylvania. It was in force for 29 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
- Sep 17, 2016, 6:01 PM EDT (22:01 UTC)
- Expired
- Sep 17, 2016, 6:30 PM EDT
- In force
- 29 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Butler County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA
The radar
The Pittsburgh radar (KPBZ), 62 km from the middle of the area, began a volume at 22:04 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, 10.0 hours before the alert went out and 74 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
- 76 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
178
WFUS51 KPBZ 172201
TORPBZ
PAC019-073-085-121-172230-
/O.NEW.KPBZ.TO.W.0007.160917T2201Z-160917T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
601 PM EDT SAT SEP 17 2016
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN MERCER COUNTY IN NORTHWESTERN PENNSYLVANIA...
SOUTHWESTERN VENANGO COUNTY IN NORTHWESTERN PENNSYLVANIA...
NORTHWESTERN BUTLER COUNTY IN WEST CENTRAL PENNSYLVANIA...
NORTHEASTERN LAWRENCE COUNTY IN WESTERN PENNSYLVANIA...
* UNTIL 630 PM EDT..
* AT 601 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR SLIPPERY ROCK...OR 7 MILES SOUTH OF GROVE
CITY... MOVING NORTHEAST AT 35 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
DAMAGE IS LIKELY.
* THIS DANGEROUS STORM WILL BE NEAR...
SLIPPERY ROCK AROUND 610 PM EDT.
OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE PLAIN
GROVE TOWNSHIP AND HARRISVILLE.
THIS INCLUDES INTERSTATE 79 IN PENNSYLVANIA BETWEEN MILE MARKERS 104
AND 110.
PLEASE REPORT SEVERE WEATHER BY CALLING 4 1 2...2 6 2...1 9 8 8...
POSTING TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4102 8017 4109 8021 4118 7992 4105 7983
TIME...MOT...LOC 2201Z 247DEG 29KT 4106 8014
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
242 follow-up statements
819
WWUS51 KPBZ 172213
SVSPBZ
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
613 PM EDT SAT SEP 17 2016
PAC073-172223-
/O.CAN.KPBZ.TO.W.0007.000000T0000Z-160917T2230Z/
LAWRENCE PA-
613 PM EDT SAT SEP 17 2016
...THE TORNADO WARNING FOR NORTHEASTERN LAWRENCE COUNTY IS
CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.
LAT...LON 4103 8006 4105 8009 4112 8012 4118 7992
4105 7983
TIME...MOT...LOC 2213Z 245DEG 28KT 4110 8004
$$
PAC019-085-121-172230-
/O.CON.KPBZ.TO.W.0007.000000T0000Z-160917T2230Z/
MERCER PA-VENANGO PA-BUTLER PA-
613 PM EDT SAT SEP 17 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
SOUTHEASTERN MERCER...SOUTHWESTERN VENANGO AND NORTHWESTERN BUTLER
COUNTIES...
AT 613 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER SLIPPERY ROCK...OR NEAR GROVE CITY...MOVING
NORTHEAST AT 30 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE DAMAGE
IS LIKELY.
THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHEASTERN MERCER...SOUTHWESTERN VENANGO AND NORTHWESTERN BUTLER
COUNTIES...INCLUDING THE FOLLOWING LOCATIONS: HARRISVILLE.
PLEASE REPORT SEVERE WEATHER BY CALLING 4 1 2...2 6 2...1 9 8 8...
POSTING TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4103 8006 4105 8009 4112 8012 4118 7992
4105 7983
TIME...MOT...LOC 2213Z 245DEG 28KT 4110 8004
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
24348
WWUS51 KPBZ 172219
SVSPBZ
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
619 PM EDT SAT SEP 17 2016
PAC085-172229-
/O.CAN.KPBZ.TO.W.0007.000000T0000Z-160917T2230Z/
MERCER PA-
619 PM EDT SAT SEP 17 2016
...THE TORNADO WARNING FOR SOUTHEASTERN MERCER COUNTY IS CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.
LAT...LON 4105 7983 4104 7999 4107 8005 4112 8005
4115 8002 4118 7992
TIME...MOT...LOC 2219Z 247DEG 29KT 4112 7998
$$
PAC019-121-172230-
/O.CON.KPBZ.TO.W.0007.000000T0000Z-160917T2230Z/
VENANGO PA-BUTLER PA-
619 PM EDT SAT SEP 17 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
SOUTHWESTERN VENANGO AND NORTH CENTRAL BUTLER COUNTIES...
AT 619 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR SLIPPERY ROCK...OR NEAR GROVE CITY...MOVING
NORTHEAST AT 35 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE DAMAGE
IS LIKELY.
LOCATIONS IMPACTED INCLUDE...
HARRISVILLE.
PLEASE REPORT SEVERE WEATHER BY CALLING 4 1 2...2 6 2...1 9 8 8...
POSTING TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4105 7983 4104 7999 4107 8005 4112 8005
4115 8002 4118 7992
TIME...MOT...LOC 2219Z 247DEG 29KT 4112 7998
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
24The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 4:08 PM EDT | Special Weather Statement | PBZ | Mercer | 37 min |
| Sep 17, 5:46 PM EDT | Special Weather Statement | PBZ | Mercer | 29 min |
| Sep 17, 5:49 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 26 min |
| Sep 17, 6:25 PM EDT | Tornado Warning | PBZ | Armstrong, Butler, Clarion, Venango | 35 min |
| Sep 17, 7:17 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 28 min |
| Sep 17, 7:33 PM EDT | Special Weather Statement | PBZ | Venango | 27 min |
| Sep 17, 7:38 PM EDT | Tornado Warning | PBZ | Armstrong, Butler, Clarion, Venango | 37 min |
| Sep 17, 7:40 PM EDT | Tornado Warning | PBZ | Forest, Venango | 35 min |
Nearby
Tornado Warnings in Pennsylvania, 2016Every tornado warning in 2016Tornadoes in 2016
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.