Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 67, NWS Cleveland, OH

June 18, 2017Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 18, 2017, 2:40 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 65 min. 4 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 18, 2017, 2:40 PM EDT (18:40 UTC)
Expired
Jun 18, 2017, 3:45 PM EDT
In force
65 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Crawford County, PA, Erie County, PA

The radar

The Pittsburgh radar (KPBZ), 135 km from the middle of the area, began a volume at 18:44 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 18, 2:45 PM EDTTSTM WND DMGS Saegertown, PATREE DOWN SOUTH OF TOWN. TIME ESTIMATED BY RADAR.
Jun 18, 2:46 PM EDTTSTM WND DMG2 Ese Blooming Valley, PA2 TREES DOWN ON COX ROAD. TIME ESTIMATED FROM RADAR.
Jun 18, 2:55 PM EDTTSTM WND DMG6 E Meadville, PASEVERAL TREES DOWN BY THUNDERSTORM WINDS IN GUYS MILLS. TIME ESTIMATED BY RADAR.
Jun 18, 3:36 PM EDTTSTM WND DMGS Saegertown, PATREE DOWN SOUTH OF TOWN.

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 18, 1:37 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 6.7 hours before the alert went out and 147 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 2017-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 2017-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
10 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1243 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

052 
WUUS51 KCLE 181840
SVRCLE
PAC039-049-181945-
/O.NEW.KCLE.SV.W.0067.170618T1840Z-170618T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
240 PM EDT SUN JUN 18 2017

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Southeastern Erie County in northwestern Pennsylvania...
  Crawford County in northwestern Pennsylvania...

* Until 345 PM EDT

* At 239 PM EDT, a severe thunderstorm was located near Guys Mills,
  or near Meadville, moving northeast at 35 mph.

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

  SOURCE...Radar indicated. 

  IMPACT...Minor damage to vehicles is possible. Expect damage to 
           trees and power lines. 

* Locations impacted include...
  Meadville, Corry, Edinboro, Titusville, Union City, Cambridge
  Springs, Waterford, Wattsburg, Riceville, Harmonsburg,
  Lincolnville, Canadohta Lake, Guys Mills, Cochranton, Saegertown,
  Hydetown, Mill Village, Blooming Valley, Townville and
  Spartansburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4162 7982 4154 7993 4151 7998 4149 8000
      4149 8012 4168 8035 4185 8036 4203 7977
      4200 7975 4200 7962 4199 7961 4162 7961
TIME...MOT...LOC 1839Z 229DEG 32KT 4162 8004 

HAIL...1.00IN
WIND...60MPH
 
$$

Kosarik
3 follow-up statements
526 
WWUS51 KCLE 181908
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
308 PM EDT SUN JUN 18 2017

PAC039-049-181945-
/O.CON.KCLE.SV.W.0067.000000T0000Z-170618T1945Z/
Erie PA-Crawford PA-
308 PM EDT SUN JUN 18 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN ERIE AND EASTERN CRAWFORD COUNTIES...

At 307 PM EDT, a severe thunderstorm was located near Riceville, or
16 miles southwest of Corry, moving northeast at 30 mph.

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

SOURCE...Radar indicated. 

IMPACT...Minor damage to vehicles is possible. Expect damage to 
         trees and power lines. 

Locations impacted include...
Meadville, Corry, Titusville, Union City, Cambridge Springs,
Waterford, Wattsburg, Riceville, Lincolnville, Canadohta Lake, Guys
Mills, Cochranton, Saegertown, Hydetown, Mill Village, Blooming
Valley, Townville, Spartansburg, Venango and Elgin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4162 7982 4154 7993 4151 7998 4149 8000
      4149 8012 4162 8027 4166 8023 4176 8014
      4185 8010 4193 8010 4203 7977 4200 7975
      4200 7962 4199 7961 4162 7961
TIME...MOT...LOC 1907Z 234DEG 26KT 4174 7982 

HAIL...1.00IN
WIND...60MPH
 
$$

Kosarik
400 
WWUS51 KCLE 181926
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
326 PM EDT SUN JUN 18 2017

PAC039-049-181945-
/O.CON.KCLE.SV.W.0067.000000T0000Z-170618T1945Z/
Erie PA-Crawford PA-
326 PM EDT SUN JUN 18 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN ERIE AND EASTERN CRAWFORD COUNTIES...

At 325 PM EDT, a severe thunderstorm was located 7 miles east of 
Guys Mills, or 13 miles northwest of Oil City. Another strong storm 
was near Spartansburg. The storms were moving northeast at 40 mph.

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

SOURCE...Radar indicated. 

IMPACT...Minor damage to vehicles is possible. Expect damage to 
         trees and power lines. 

Locations impacted include...
Meadville, Corry, Titusville, Union City, Cambridge Springs,
Wattsburg, Riceville, Lincolnville, Canadohta Lake, Guys Mills,
Cochranton, Saegertown, Hydetown, Mill Village, Blooming Valley,
Townville, Spartansburg, Venango, Elgin and Woodcock.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4162 7982 4154 7993 4151 7998 4149 8000
      4149 8012 4175 8014 4176 8014 4184 8004
      4194 7989 4203 7977 4200 7975 4200 7962
      4199 7961 4162 7961
TIME...MOT...LOC 1925Z 229DEG 35KT 4160 7984 

HAIL...1.00IN
WIND...60MPH
 
$$

Kosarik
955 
WWUS51 KCLE 181949
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
349 PM EDT SUN JUN 18 2017

PAC039-049-181957-
/O.EXP.KCLE.SV.W.0067.000000T0000Z-170618T1945Z/
Erie PA-Crawford PA-
349 PM EDT SUN JUN 18 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ERIE AND EASTERN
CRAWFORD COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved east of Crawford and 
Erie Counties therefore the warning has been allowed to expire. 
However heavy rain is still possible with these thunderstorms, 
especially near Spartansburg until 430 PM or so.

A severe thunderstorm watch remains in effect until 900 PM EDT for
northwestern Pennsylvania.

LAT...LON 4162 7982 4154 7993 4151 7998 4149 8000
      4149 8012 4175 8014 4176 8014 4184 8004
      4194 7989 4203 7977 4200 7975 4200 7962
      4199 7961 4162 7961
TIME...MOT...LOC 1947Z 229DEG 32KT 4172 7965 

$$

Kosarik

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 1:31 PM EDTSevere Thunderstorm WarningCLECrawford44 min
Jun 18, 2:06 PM EDTSpecial Weather StatementCLECrawford, Erie24 min
Jun 18, 6:10 PM EDTSevere Thunderstorm WarningCLECrawford, Erie50 min
Jun 18, 6:25 PM EDTFlash Flood WarningCLEErie4 hr
Jun 18, 6:37 PM EDTSevere Thunderstorm WarningCLECrawford, Erie68 min
Jun 18, 6:50 PM EDTFlash Flood WarningCLEErie11 hr
Jun 18, 6:53 PM EDTAreal Flood AdvisoryCLECrawford, Erie4 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.