Alert archive / Pennsylvania / Tornado Warnings in 2018

Tornado Warning 2, NWS Pittsburgh, PA

June 13, 2018Armstrong County, Indiana County, Pennsylvania

NWS Pittsburgh, PA issued this tornado warning at Jun 13, 2018, 6:12 PM EDT for Armstrong County, Indiana County, Pennsylvania. It was in force for 33 min. 6 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 13, 2018, 6:12 PM EDT (22:12 UTC)
Expired
Jun 13, 2018, 6:45 PM EDT
In force
33 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Armstrong County, PA, Indiana County, PA

The radar

The Pittsburgh radar (KPBZ), 74 km from the middle of the area, began a volume at 22:14 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 13, 6:15 PM EDTTSTM WND DMGKittanning, PATREES DOWN, WIRES DOWN
Jun 13, 6:15 PM EDTTSTM WND DMGWick City, PATREE DOWN AT TARRTOWN ROAD, BLOCKING THE ROADWAY
Jun 13, 6:20 PM EDTFUNNEL CLOUDKittanning, PAFUNNEL CLOUD REPORTED NEAR EAST FRANKLIN SHOPPING CENTER
Jun 13, 6:20 PM EDTTSTM WND DMG1 Wsw Green Acres, PATREE ON POWER LINES, ACTIVE ARCHING ALONG INDIAN HILLS ROAD
Jun 13, 6:20 PM EDTTSTM WND DMGKittanning, PAMULTIPLE TREES DOWN
Jun 13, 6:30 PM EDTTSTM WND DMG1 E Blanket Hill, PATREE DOWN BLOCKING ROADWAY ALONG SR 2007/FROG POND ROAD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 10.2 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.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2018-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 191 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 2018-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.193958Sfc1 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
191 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

790 
WFUS51 KPBZ 132212
TORPBZ
PAC005-063-132245-
/O.NEW.KPBZ.TO.W.0002.180613T2212Z-180613T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
612 PM EDT WED JUN 13 2018

The National Weather Service in Pittsburgh has issued a

* Tornado Warning for...
  Central Indiana County in west central Pennsylvania...
  Central Armstrong County in west central Pennsylvania...

* Until 645 PM EDT..

* At 611 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over West Kittanning, or over Kittanning, moving
  southeast at 30 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Indiana around 645 PM EDT.

Other locations impacted by this tornadic thunderstorm include Chevy
Chase Heights, Creekside, Atwood, Manorville, Ford Cliff, Elderton,
Lenape Heights, West Hills, Shelocta and Dixonville.

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 4081 7961 4090 7952 4073 7900 4051 7922
TIME...MOT...LOC 2211Z 300DEG 26KT 4082 7953 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

TAX
2 follow-up statements
183 
WWUS51 KPBZ 132222
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
622 PM EDT WED JUN 13 2018

PAC005-063-132245-
/O.CON.KPBZ.TO.W.0002.000000T0000Z-180613T2245Z/
Indiana PA-Armstrong PA-
622 PM EDT WED JUN 13 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR CENTRAL
INDIANA AND SOUTHEASTERN ARMSTRONG COUNTIES...
    
At 622 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Ford City, or near Kittanning, moving southeast at
30 mph.

HAZARD...Tornado and quarter-size hail.

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...
  Indiana around 645 PM EDT.

Other locations impacted by this tornadic thunderstorm include Chevy
Chase Heights, Elderton, Creekside, Atwood, Shelocta, Dixonville,
Rural Valley, Ernest, Lenape Heights and Manorville.

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 4074 7952 4080 7952 4084 7946 4085 7937
      4073 7900 4051 7922
TIME...MOT...LOC 2222Z 300DEG 26KT 4078 7943 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

TAX
762 
WWUS51 KPBZ 132238
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
638 PM EDT WED JUN 13 2018

PAC005-063-132247-
/O.EXP.KPBZ.TO.W.0002.000000T0000Z-180613T2245Z/
Indiana PA-Armstrong PA-
638 PM EDT WED JUN 13 2018

...THE TORNADO WARNING FOR CENTRAL INDIANA AND SOUTHEASTERN ARMSTRONG
COUNTIES WILL EXPIRE AT 645 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.  However gusty winds are still
possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
west central Pennsylvania.

LAT...LON 4074 7952 4080 7952 4084 7946 4085 7937
      4073 7900 4051 7922
TIME...MOT...LOC 2237Z 300DEG 26KT 4074 7934 

$$

TAX

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 5:28 PM EDTSpecial Weather StatementPBZButler47 min
Jun 13, 5:44 PM EDTSevere Thunderstorm WarningPBZArmstrong, Butler46 min
Jun 13, 6:05 PM EDTSevere Thunderstorm WarningPBZButler, Mercer, Venango34 min
Jun 13, 6:48 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver42 min
Jun 13, 6:53 PM EDTSevere Thunderstorm WarningPBZArmstrong, Clarion, Indiana, Jefferson52 min
Jun 13, 7:00 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Washington45 min
Jun 13, 7:06 PM EDTTornado WarningPBZArmstrong, Clarion, Indiana24 min
Jun 13, 7:27 PM EDTTornado WarningPBZArmstrong, Indiana22 min
Jun 13, 7:45 PM EDTAreal Flood WarningPBZAllegheny, Washington105 min

Nearby

Tornado Warnings in Pennsylvania, 2018Every tornado warning in 2018Tornadoes in 2018

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.