Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 83, NWS Cleveland, OH

September 17, 2016Crawford County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 17, 2016, 5:37 PM EDT for Crawford County, Pennsylvania. It was in force for 38 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
Sep 17, 2016, 5:37 PM EDT (21:37 UTC)
Expired
Sep 17, 2016, 6:15 PM EDT
In force
38 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Crawford County, PA

The radar

The Pittsburgh radar (KPBZ), 127 km from the middle of the area, began a volume at 21:37 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, 9.6 hours before the alert went out and 138 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 2016-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 76 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2016-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
76 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
974 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

476 
WUUS51 KCLE 172137
SVRCLE
PAC039-172215-
/O.NEW.KCLE.SV.W.0083.160917T2137Z-160917T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
537 PM EDT SAT SEP 17 2016

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CRAWFORD COUNTY IN NORTHWESTERN PENNSYLVANIA...

* UNTIL 615 PM EDT

* AT 537 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER GUYS
  MILLS... OR 10 MILES EAST OF MEADVILLE...MOVING NORTHEAST AT 30
  MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  TITUSVILLE...RICEVILLE...LINCOLNVILLE...GUYS MILLS...HYDETOWN...
  BLOOMING VALLEY...TOWNVILLE...SPARTANSBURG AND CENTERVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4161 7964 4162 7982 4161 7983 4157 7988
      4155 7992 4154 7993 4151 7998 4167 8010
      4185 7974 4185 7961 4162 7962
TIME...MOT...LOC 2137Z 233DEG 28KT 4164 7995 

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

LAPLANTE
2 follow-up statements
386 
WWUS51 KCLE 172153
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
553 PM EDT SAT SEP 17 2016

PAC039-172215-
/O.CON.KCLE.SV.W.0083.000000T0000Z-160917T2215Z/
CRAWFORD PA-
553 PM EDT SAT SEP 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHEASTERN CRAWFORD COUNTY...

AT 553 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTH OF
RICEVILLE...OR 17 MILES NORTH OF OIL CITY...MOVING NORTHEAST AT 30
MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
TITUSVILLE...RICEVILLE...LINCOLNVILLE...HYDETOWN...TOWNVILLE...
SPARTANSBURG AND CENTERVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4161 7964 4162 7982 4161 7983 4157 7988
      4175 7991 4185 7974 4185 7961 4162 7962
TIME...MOT...LOC 2153Z 241DEG 26KT 4168 7980 

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

LAPLANTE
132 
WWUS51 KCLE 172213
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
613 PM EDT SAT SEP 17 2016

PAC039-172223-
/O.EXP.KCLE.SV.W.0083.000000T0000Z-160917T2215Z/
CRAWFORD PA-
613 PM EDT SAT SEP 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CRAWFORD COUNTY
WILL EXPIRE AT 615 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE.

LAT...LON 4161 7964 4162 7982 4161 7983 4157 7988
      4175 7991 4185 7974 4185 7961 4162 7962
TIME...MOT...LOC 2211Z 233DEG 28KT 4168 7980 

$$

LAPLANTE

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 17, 4:30 PM EDTSevere Thunderstorm WarningCLECrawford45 min
Sep 17, 5:05 PM EDTSevere Thunderstorm WarningCLEErie25 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2016Every severe thunderstorm warning in 2016

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.