Alert archive / Pennsylvania / Tornado Warnings in 2017
Tornado Warning 13, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at Aug 22, 2017, 4:43 PM EDT for Fayette County, Greene County, Pennsylvania; Monongalia County, West Virginia. It was in force for 32 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 22, 2017, 4:43 PM EDT (20:43 UTC)
- Expired
- Aug 22, 2017, 5:15 PM EDT
- In force
- 32 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Fayette County, PA, Greene County, PA, Monongalia County, WV
The radar
The Pittsburgh radar (KPBZ), 94 km from the middle of the area, began a volume at 20:45 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 22, 12:39 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Pittsburgh, PA (KAGC), launched 12:00Z, 8.7 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.
- Mixed-layer CAPE
- 434 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1009 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
300
WFUS51 KPBZ 222043
TORPBZ
PAC051-059-WVC061-222115-
/O.NEW.KPBZ.TO.W.0013.170822T2043Z-170822T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
443 PM EDT TUE AUG 22 2017
The National Weather Service in Pittsburgh has issued a
* Tornado Warning for...
Southeastern Greene County in southwestern Pennsylvania...
Southwestern Fayette County in southwestern Pennsylvania...
Northeastern Monongalia County in northern West Virginia...
* Until 515 PM EDT..
* At 442 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Cassville, or near Star City, moving east at 40
mph. Recent live social media video from the Mount Morris area
showed extremely strong winds in the area.
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...
Point Marion around 455 PM EDT.
Other locations impacted by this tornadic thunderstorm include Mount
Morris, Bobtown and Cheat Lake.
This includes the following highways...
Interstate 79 in Pennsylvania between mile markers 0 and 2.
Interstate 79 in West Virginia between mile markers 158 and 160.
Please report severe weather by calling 412-262-1988, 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 3969 8008 3977 8008 3977 7976 3969 7977
3968 7977
TIME...MOT...LOC 2042Z 268DEG 35KT 3971 8004
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Bookbinder2 follow-up statements
356
WWUS51 KPBZ 222056
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
456 PM EDT TUE AUG 22 2017
PAC051-059-WVC061-222115-
/O.CON.KPBZ.TO.W.0013.000000T0000Z-170822T2115Z/
Greene PA-Fayette PA-Monongalia WV-
456 PM EDT TUE AUG 22 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
SOUTHEASTERN GREENE...SOUTHWESTERN FAYETTE AND NORTHEASTERN
MONONGALIA COUNTIES...
At 456 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Point Marion, or 7 miles northeast of Star City,
moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southeastern Greene...southwestern Fayette and northeastern
Monongalia Counties, including the following locations: Cheat Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3969 7995 3977 7992 3977 7976 3969 7977
3968 7977
TIME...MOT...LOC 2056Z 266DEG 34KT 3972 7988
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Bookbinder092
WWUS51 KPBZ 222113
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
513 PM EDT TUE AUG 22 2017
PAC051-059-WVC061-222121-
/O.EXP.KPBZ.TO.W.0013.000000T0000Z-170822T2115Z/
Greene PA-Fayette PA-Monongalia WV-
513 PM EDT TUE AUG 22 2017
...THE TORNADO WARNING FOR SOUTHEASTERN GREENE...SOUTHWESTERN FAYETTE
AND NORTHEASTERN MONONGALIA COUNTIES WILL EXPIRE AT 515 PM EDT...
The storm which prompted the warning has weakened below severe limits
and no longer appears capable of producing a tornado. Therefore, the
warning will be allowed to expire. Conditions may support additional
severe weather as this storm tracks along the Pennsylvania and West
Virginia border...toward Markleyburg north of Interstate 68.
LAT...LON 3969 7995 3977 7992 3977 7976 3969 7977
3968 7977
TIME...MOT...LOC 2111Z 268DEG 35KT 3972 7972
$$
BookbinderThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 1:02 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 43 min |
| Aug 22, 1:10 PM EDT | Special Weather Statement | PBZ | Venango | 35 min |
| Aug 22, 1:20 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 40 min |
| Aug 22, 1:23 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Forest, Mercer, Venango | 52 min |
| Aug 22, 1:33 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 42 min |
| Aug 22, 1:38 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 37 min |
| Aug 22, 1:41 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 34 min |
| Aug 22, 1:52 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 40 min |
| Aug 22, 1:55 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 50 min |
| Aug 22, 1:57 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 48 min |
| Aug 22, 2:02 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 43 min |
| Aug 22, 2:36 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 39 min |
| Aug 22, 2:37 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 38 min |
| Aug 22, 2:51 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 24 min |
| Aug 22, 2:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 36 min |
| Aug 22, 3:24 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 36 min |
| Aug 22, 3:40 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Washington, Westmoreland | 3 hr |
| Aug 22, 3:54 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 36 min |
| Aug 22, 3:55 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 35 min |
| Aug 22, 4:03 PM EDT | Special Weather Statement | PBZ | Forest, Venango | 27 min |
| Aug 22, 4:16 PM EDT | Tornado Warning | PBZ | Greene | 29 min |
| Aug 22, 4:26 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 49 min |
| Aug 22, 4:29 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 3 hr |
| Aug 22, 4:34 PM EDT | Special Weather Statement | PBZ | Clarion | 41 min |
| Aug 22, 5:05 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 25 min |
| Aug 22, 5:08 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 52 min |
| Aug 22, 3:44 PM EDT | Severe Thunderstorm Warning | PBZ | Ohio | 16 min |
Nearby
Tornado Warnings in Pennsylvania, 2017Tornado Warnings in West Virginia, 2017Every tornado warning in 2017Tornadoes in 2017
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.