Alert archive / Pennsylvania / Tornado Warnings in 2017
Tornado Warning 3, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at May 1, 2017, 2:29 PM EDT for Beaver County, Butler County, Pennsylvania. It was in force for 31 min. 1 report 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
- May 1, 2017, 2:29 PM EDT (18:29 UTC)
- Expired
- May 1, 2017, 3:00 PM EDT
- In force
- 31 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Beaver County, PA, Butler County, PA
The radar
The Pittsburgh radar (KPBZ), 49 km from the middle of the area, began a volume at 18:30 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 |
|---|---|---|---|
| May 1, 2:31 PM EDT | TORNADO | 1 Nw Prospect, PA | EF0 DAMAGE AT MAIN ST AND DOUGLAS ST |
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 |
|---|---|---|---|
| May 1, 12:32 PM EDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Pittsburgh, PA (KAGC), launched 12:00Z, 6.5 hours before the alert went out and 58 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
- 11 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1435 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
690
WFUS51 KPBZ 011829
TORPBZ
PAC007-019-011900-
/O.NEW.KPBZ.TO.W.0003.170501T1829Z-170501T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
229 PM EDT MON MAY 1 2017
The National Weather Service in Pittsburgh has issued a
* Tornado Warning for...
Northeastern Beaver County in western Pennsylvania...
Central Butler County in west central Pennsylvania...
* Until 300 PM EDT..
* At 228 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles north of Zelienople, or 11 miles west of
Butler, moving east at 50 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...
Meridian around 235 PM EDT.
Butler, Homeacre-Lyndora and Shanor-Northvue around 240 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Chicora, Fairview, Moraine State Park, Portersville, East Butler,
Prospect, West Sunbury, Hooker, Karns City and West Liberty.
This includes Interstate 79 in Pennsylvania between mile markers 62
and 70.
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 4093 7969 4090 7969 4082 8015 4085 8018
4086 8016 4094 8016 4112 7980
TIME...MOT...LOC 1828Z 248DEG 43KT 4090 8010
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
TAX5 follow-up statements
520
WWUS51 KPBZ 011833
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
233 PM EDT MON MAY 1 2017
PAC007-011843-
/O.CAN.KPBZ.TO.W.0003.000000T0000Z-170501T1900Z/
Beaver PA-
233 PM EDT MON MAY 1 2017
...THE TORNADO WARNING FOR NORTHEASTERN BEAVER COUNTY IS CANCELLED...
The tornadic thunderstorm that prompted the warning has moved out of
the area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 700 PM EDT for west central
Pennsylvania.
LAT...LON 4093 7969 4090 7969 4088 8006 4091 8010
4097 8009 4112 7980
TIME...MOT...LOC 1833Z 241DEG 42KT 4093 8004
$$
PAC019-011900-
/O.CON.KPBZ.TO.W.0003.000000T0000Z-170501T1900Z/
Butler PA-
233 PM EDT MON MAY 1 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR CENTRAL
BUTLER COUNTY...
At 233 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Shanor-Northvue, or 9 miles northwest of Butler,
moving northeast at 50 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...
Shanor-Northvue around 240 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Chicora, Fairview, Moraine State Park, Prospect, West Sunbury,
Hooker, Karns City and West Liberty.
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 4093 7969 4090 7969 4088 8006 4091 8010
4097 8009 4112 7980
TIME...MOT...LOC 1833Z 241DEG 42KT 4093 8004
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
24941
WWUS51 KPBZ 011837
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
237 PM EDT MON MAY 1 2017
PAC019-011900-
/O.CON.KPBZ.TO.W.0003.000000T0000Z-170501T1900Z/
Butler PA-
237 PM EDT MON MAY 1 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR CENTRAL
BUTLER COUNTY...
At 237 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Shanor-Northvue, or 7 miles northwest of Butler,
moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
central Butler County, including the following locations: Chicora,
Fairview, West Sunbury, Hooker, Karns City and Moraine State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 4093 7969 4090 7969 4090 7999 4093 8003
4101 8002 4112 7980
TIME...MOT...LOC 1837Z 248DEG 43KT 4095 7997
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
24742
WWUS51 KPBZ 011842
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
242 PM EDT MON MAY 1 2017
PAC019-011900-
/O.CON.KPBZ.TO.W.0003.000000T0000Z-170501T1900Z/
Butler PA-
242 PM EDT MON MAY 1 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR
NORTHEASTERN BUTLER COUNTY...
At 242 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Shanor-Northvue, or 9 miles north of Butler, moving
northeast at 55 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...
Shanor-Northvue... Karns City...
Fairview... West Sunbury...
Hooker...
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 4097 7971 4093 7994 4097 8000 4102 7999
4112 7980
TIME...MOT...LOC 1842Z 238DEG 48KT 4100 7990
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
24499
WWUS51 KPBZ 011847
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
247 PM EDT MON MAY 1 2017
PAC019-011900-
/O.CON.KPBZ.TO.W.0003.000000T0000Z-170501T1900Z/
Butler PA-
247 PM EDT MON MAY 1 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR
NORTHEASTERN BUTLER COUNTY...
At 247 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles northeast of Shanor-Northvue, or 12 miles north
of Butler, moving northeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Karns City... Fairview...
Hooker...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 4100 7973 4098 7981 4100 7989 4106 7991
4112 7980
TIME...MOT...LOC 1847Z 235DEG 46KT 4103 7984
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
24687
WWUS51 KPBZ 011853
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
253 PM EDT MON MAY 1 2017
PAC019-011900-
/O.CON.KPBZ.TO.W.0003.000000T0000Z-170501T1900Z/
Butler PA-
253 PM EDT MON MAY 1 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR
NORTHEASTERN BUTLER COUNTY...
At 252 PM EDT, a severe thunderstorm capable of producing a tornado
was located 13 miles west of Rimersburg, moving east at 50 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...
Fairview...
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 4102 7974 4099 7982 4100 7983 4107 7989
4108 7988 4112 7980
TIME...MOT...LOC 1852Z 248DEG 43KT 4106 7975
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 |
|---|---|---|---|---|
| May 1, 1:22 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Greene, Washington | 53 min |
| May 1, 1:35 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence, Mercer | 55 min |
| May 1, 1:47 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 43 min |
| May 1, 2:05 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence, Mercer, Venango and 1 more | 55 min |
| May 1, 2:11 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Greene, Washington | 49 min |
| May 1, 2:26 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Mercer, Venango | 49 min |
| May 1, 2:47 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Clarion, Indiana, Venango and 1 more | 58 min |
| May 1, 2:50 PM EDT | Tornado Warning | PBZ | Armstrong, Butler, Clarion, Venango | 25 min |
| May 1, 2:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 66 min |
| May 1, 3:03 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Butler, Fayette, Greene, Washington, Westmoreland | 3 hr |
| May 1, 3:10 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Forest, Jefferson, Venango | 65 min |
| May 1, 3:19 PM EDT | Tornado Warning | PBZ | Clarion, Forest, Venango | 26 min |
| May 1, 3:34 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson, Westmoreland | 56 min |
| May 1, 3:42 PM EDT | Special Weather Statement | PBZ | Fayette | 48 min |
| May 1, 5:03 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 41 min |
Nearby
Tornado Warnings in Pennsylvania, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.