Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 104, NWS Cleveland, OH

September 13, 2021Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 13, 2021, 5:05 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 25 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 13, 2021, 5:05 PM EDT (21:05 UTC)
Expired
Sep 13, 2021, 5:30 PM EDT
In force
25 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Crawford County, PA, Erie County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.1 hours before the alert went out and 143 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, Buffalo Intl Airport, NY at 12:00Z on 2021-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 2021-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1305 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

977 
WUUS51 KCLE 132105
SVRCLE
PAC039-049-132130-
/O.NEW.KCLE.SV.W.0104.210913T2105Z-210913T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
505 PM EDT Mon Sep 13 2021

The National Weather Service in Cleveland has issued a

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

* Until 530 PM EDT.

* At 504 PM EDT, a severe thunderstorm was located over Union City,
  or 17 miles southeast of Erie, moving east at 55 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Corry, Edinboro, Union City, Waterford, Wattsburg, Canadohta Lake,
  Mill Village, Spartansburg and Elgin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4187 8012 4204 7993 4202 7976 4200 7975
      4200 7961 4199 7961 4175 7962
TIME...MOT...LOC 2104Z 283DEG 47KT 4194 7986 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Saunders
2 follow-up statements
432 
WWUS51 KCLE 132119
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
519 PM EDT Mon Sep 13 2021

PAC039-049-132130-
/O.CON.KCLE.SV.W.0104.000000T0000Z-210913T2130Z/
Erie PA-Crawford PA-
519 PM EDT Mon Sep 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHEASTERN ERIE AND NORTHEASTERN CRAWFORD COUNTIES...

At 519 PM EDT, a severe thunderstorm was located over Corry, or 23
miles southwest of Jamestown, moving east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Corry, Canadohta Lake, Spartansburg and Elgin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4181 7988 4200 7975 4200 7961 4199 7961
      4175 7962
TIME...MOT...LOC 2119Z 283DEG 47KT 4190 7960 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Saunders
614 
WWUS51 KCLE 132125
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
525 PM EDT Mon Sep 13 2021

PAC039-049-132135-
/O.EXP.KCLE.SV.W.0104.000000T0000Z-210913T2130Z/
Erie PA-Crawford PA-
525 PM EDT Mon Sep 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ERIE AND
NORTHEASTERN CRAWFORD COUNTIES WILL EXPIRE AT 530 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 4181 7988 4200 7975 4200 7961 4199 7961
      4175 7962
TIME...MOT...LOC 2125Z 283DEG 47KT 4189 7952 

$$

Saunders

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 11:23 PM EDTSevere Thunderstorm WarningCLEErie37 min
Sep 13, 4:39 PM EDTSpecial Weather StatementCLEErie36 min
Sep 13, 5:16 PM EDTSpecial Weather StatementCLECrawford44 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2021Every severe thunderstorm warning in 2021

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.