Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 65, NWS Cleveland, OH

June 15, 2017Crawford County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 15, 2017, 6:49 PM EDT for Crawford County, Pennsylvania. It was in force for 26 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
Jun 15, 2017, 6:49 PM EDT (22:49 UTC)
Expired
Jun 15, 2017, 7:15 PM EDT
In force
26 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Crawford County, PA

The radar

The Pittsburgh radar (KPBZ), 108 km from the middle of the area, began a volume at 22:49 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, 10.8 hours before the alert went out and 122 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 2017-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 290 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 2017-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939Sfc1 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
290 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

271 
WUUS51 KCLE 152249
SVRCLE
PAC039-152315-
/O.NEW.KCLE.SV.W.0065.170615T2249Z-170615T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
649 PM EDT THU JUN 15 2017

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Southwestern Crawford County in northwestern Pennsylvania...

* Until 715 PM EDT

* At 649 PM EDT, a severe thunderstorm was located over Adamsville,
  or 16 miles southwest of Meadville, moving southeast at 20 mph.

  HAZARD...60 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to trees and power lines. 

* Locations impacted include...
  Adamsville, Atlantic, Cochranton, Jamestown, Hartstown and Geneva. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4149 8000 4149 8009 4148 8013 4148 8037
      4149 8044 4149 8051 4162 8051 4151 7998
      4150 7998
TIME...MOT...LOC 2249Z 294DEG 15KT 4150 8040 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

Clark
2 follow-up statements
613 
WWUS51 KCLE 152305
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
705 PM EDT THU JUN 15 2017

PAC039-152315-
/O.CON.KCLE.SV.W.0065.000000T0000Z-170615T2315Z/
Crawford PA-
705 PM EDT THU JUN 15 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTH CENTRAL CRAWFORD COUNTY...

At 704 PM EDT, a severe thunderstorm was located over Atlantic, or 13
miles southwest of Meadville, moving east at 20 mph.

HAZARD...60 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to trees and power lines. 

Locations impacted include...
Atlantic, Adamsville and Cochranton. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4149 8000 4149 8009 4148 8013 4148 8037
      4149 8042 4157 8032 4151 7998 4150 7998
TIME...MOT...LOC 2304Z 282DEG 15KT 4149 8031 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

Clark
952 
WWUS51 KCLE 152314
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
714 PM EDT THU JUN 15 2017

PAC039-152324-
/O.EXP.KCLE.SV.W.0065.000000T0000Z-170615T2315Z/
Crawford PA-
714 PM EDT THU JUN 15 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CRAWFORD COUNTY
WILL EXPIRE AT 715 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

LAT...LON 4149 8000 4149 8009 4148 8013 4148 8037
      4149 8042 4157 8032 4151 7998 4150 7998
TIME...MOT...LOC 2314Z 294DEG 15KT 4148 8027 

$$

LaPlante

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2017Every severe thunderstorm warning 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.