Alert archive / Pennsylvania / Tornado Warnings in 2017

Tornado Warning 9, NWS Pittsburgh, PA

June 23, 2017Fayette County, Greene County, Pennsylvania

NWS Pittsburgh, PA issued this tornado warning at Jun 23, 2017, 5:35 PM EDT for Fayette County, Greene County, Pennsylvania. It was in force for 25 min. 3 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
Jun 23, 2017, 5:35 PM EDT (21:35 UTC)
Expired
Jun 23, 2017, 6:00 PM EDT
In force
25 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Fayette County, PA, Greene County, PA

The radar

The Pittsburgh radar (KPBZ), 89 km from the middle of the area, began a volume at 21:34 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

TimeReportWhereRemark
Jun 23, 5:45 PM EDTTSTM WND DMG3 Nnw Oliver, PATREES DOWN
Jun 23, 5:46 PM EDTFUNNEL CLOUD4 Nne New Salem-Buffing, PATTRAINED SPOTTER REPORTED FUNNEL CLOUD BUT DID NOT TOUCH THE GROUND.
Jun 23, 5:47 PM EDTTORNADO1 Sw Uniontown, PASPOTTER REPORTED ROPE TORNADO ON THE GROUND SOUTHWEST OF UNIONTOWN

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.

IssuedProductOfficeLasted
Jun 23, 2:20 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 9.6 hours before the alert went out and 72 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2017-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2017-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 263 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
36 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
263 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

400 
WFUS51 KPBZ 232135
TORPBZ
PAC051-059-232200-
/O.NEW.KPBZ.TO.W.0009.170623T2135Z-170623T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
535 PM EDT FRI JUN 23 2017

The National Weather Service in Pittsburgh has issued a

* Tornado Warning for...
  East central Greene County in southwestern Pennsylvania...
  Central Fayette County in southwestern Pennsylvania...

* Until 600 PM EDT..

* At 535 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Masontown, or 7 miles west of Uniontown, 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 dangerous storm will be near...
  Uniontown around 545 PM EDT. 
  Connellsville and South Connellsville around 600 PM EDT. 

Other locations impacted by this tornadic thunderstorm include Mill
Run, Ohiopyle, Chalkhill, New Salem, Dunbar, Nemacolin, Isabella,
Republic, Fairchance and Normalville.

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 3983 7993 3994 7995 4006 7949 3989 7940
      3985 7942 3984 7939 3983 7938
TIME...MOT...LOC 2135Z 252DEG 35KT 3988 7985 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
34
3 follow-up statements
251 
WWUS51 KPBZ 232148
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
548 PM EDT FRI JUN 23 2017

PAC051-059-232200-
/O.CON.KPBZ.TO.W.0009.000000T0000Z-170623T2200Z/
Greene PA-Fayette PA-
548 PM EDT FRI JUN 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR EAST
CENTRAL GREENE AND CENTRAL FAYETTE COUNTIES...
    
At 548 PM EDT, a confirmed tornado was located over Uniontown, moving
east at 40 mph.

HAZARD...Damaging tornado. 

SOURCE...Weather spotters confirmed tornado. 

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 tornado will be near...
  Connellsville and South Connellsville around 600 PM EDT. 

Other locations impacted by this tornadic thunderstorm include Mill
Run, Ohiopyle, Chalkhill, New Salem, Dunbar, Nemacolin, Isabella,
Republic, Fairchance and Normalville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3983 7993 3994 7995 4006 7949 3989 7940
      3985 7942 3984 7939 3983 7938
TIME...MOT...LOC 2148Z 252DEG 34KT 3991 7971 

TORNADO...OBSERVED
HAIL...<.75IN

$$
34
101 
WWUS51 KPBZ 232153
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
553 PM EDT FRI JUN 23 2017

PAC059-232202-
/O.CAN.KPBZ.TO.W.0009.000000T0000Z-170623T2200Z/
Greene PA-
553 PM EDT FRI JUN 23 2017

...THE TORNADO WARNING FOR EAST CENTRAL GREENE COUNTY IS CANCELLED...
    
The tornadic thunderstorm that prompted the warning has moved out of
the area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 1000 PM EDT for
southwestern Pennsylvania.

LAT...LON 3985 7973 3999 7974 4006 7949 3989 7940
      3985 7942
TIME...MOT...LOC 2152Z 252DEG 35KT 3992 7965 

$$

PAC051-232200-
/O.CON.KPBZ.TO.W.0009.000000T0000Z-170623T2200Z/
Fayette PA-
553 PM EDT FRI JUN 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR CENTRAL
FAYETTE COUNTY...
    
At 552 PM EDT, a confirmed tornado was located near Uniontown, moving
east at 40 mph.

HAZARD...Damaging tornado. 

SOURCE...Weather spotters confirmed tornado. 

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 Fayette County, including the following locations: Mill Run,
Dunbar, Ohiopyle, Chalkhill and Normalville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3985 7973 3999 7974 4006 7949 3989 7940
      3985 7942
TIME...MOT...LOC 2152Z 252DEG 35KT 3992 7965 

TORNADO...OBSERVED
HAIL...<.75IN

$$
34
765 
WWUS51 KPBZ 232200
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
600 PM EDT FRI JUN 23 2017

PAC051-232209-
/O.EXP.KPBZ.TO.W.0009.000000T0000Z-170623T2200Z/
Fayette PA-
600 PM EDT FRI JUN 23 2017

...THE TORNADO WARNING FOR CENTRAL FAYETTE COUNTY WILL EXPIRE AT 600
PM EDT...
    
The tornado threat has diminished the Tornado Warning has been 
cancelled. However, damaging wind remain likely, and a Severe 
Thunderstorm Warning remains in effect for the area.

A severe thunderstorm watch remains in effect until 1000 PM EDT for
southwestern Pennsylvania.

LAT...LON 3985 7973 3999 7974 4006 7949 3989 7940
      3985 7942
TIME...MOT...LOC 2159Z 252DEG 35KT 3994 7957 

$$
34

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 2:59 AM EDTAreal Flood WarningPBZArmstrong, Indiana24 hr
Jun 23, 1:48 PM EDTSpecial Weather StatementPBZLawrence27 min
Jun 23, 2:47 PM EDTTornado WarningPBZWashington28 min
Jun 23, 2:56 PM EDTFlash Flood WarningPBZAllegheny3 hr
Jun 23, 3:09 PM EDTSevere Thunderstorm WarningPBZAllegheny, Fayette, Washington, Westmoreland36 min
Jun 23, 3:29 PM EDTSpecial Weather StatementPBZGreene31 min
Jun 23, 3:40 PM EDTFlash Flood WarningPBZWashington6 hr
Jun 23, 3:47 PM EDTSevere Thunderstorm WarningPBZFayette, Washington, Westmoreland43 min
Jun 23, 3:59 PM EDTSevere Thunderstorm WarningPBZFayette, Greene46 min
Jun 23, 4:04 PM EDTFlash Flood Warning EmergencyPBZIndiana6 hr
Jun 23, 4:27 PM EDTFlash Flood WarningPBZFayette, Greene8 hr
Jun 23, 4:30 PM EDTSevere Thunderstorm WarningPBZFayette, Westmoreland30 min
Jun 23, 4:38 PM EDTFlash Flood WarningPBZWestmoreland8 hr
Jun 23, 4:40 PM EDTTornado WarningPBZGreene35 min
Jun 23, 4:46 PM EDTSevere Thunderstorm WarningPBZFayette, Greene, Washington44 min
Jun 23, 5:29 PM EDTSevere Thunderstorm WarningPBZFayette, Greene61 min
Jun 23, 5:57 PM EDTAreal Flood AdvisoryPBZAllegheny3 hr

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.