Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 6, NWS Cleveland, OH

June 20, 2021Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 20, 2021, 11:19 PM EDT for Erie 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 20, 2021, 11:19 PM EDT (03:19 UTC)
Expired: Jun 20, 2021, 11:45 PM EDT
In force: 26 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Erie County, PA

The radar

The Buffalo radar (KBUF), 129 km from the middle of the area, began a volume at 03:22 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

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 3.3 hours before the alert went out and 130 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 315 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1222 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

608 
WUUS51 KCLE 210319
SVRCLE
PAC049-210345-
/O.NEW.KCLE.SV.W.0006.210621T0319Z-210621T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
1119 PM EDT Sun Jun 20 2021

The National Weather Service in Cleveland has issued a

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

* Until 1145 PM EDT.

* At 1119 PM EDT, a severe thunderstorm was located near North East,
  or 12 miles east of Erie, 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...
  Erie, North East, Northwest Harborcreek, Harborcreek, Lawrence
  Park, Wesleyville and Northwest Harborcr.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4227 7976 4209 7976 4205 7985 4213 8020
      4221 8006 4220 8004 4222 8001 4227 7990
TIME...MOT...LOC 0319Z 235DEG 36KT 4217 7986 

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

Campbell

2 follow-up statements

349 
WWUS51 KCLE 210333
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1133 PM EDT Sun Jun 20 2021

PAC049-210345-
/O.CON.KCLE.SV.W.0006.000000T0000Z-210621T0345Z/
Erie PA-
1133 PM EDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR NORTHEASTERN ERIE COUNTY...

At 1133 PM EDT, a severe thunderstorm was located 7 miles east of
North East, or 21 miles northeast of Erie, 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...
Erie, North East, Northwest Harborcreek, Harborcreek, Lawrence Park,
Wesleyville and Northwest Harborcr.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4227 7976 4213 7976 4213 7993 4214 8018
      4221 8006 4220 8004 4222 8001 4227 7990
TIME...MOT...LOC 0333Z 235DEG 36KT 4225 7970 

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

Campbell

964 
WWUS51 KCLE 210340
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1140 PM EDT Sun Jun 20 2021

PAC049-210350-
/O.EXP.KCLE.SV.W.0006.000000T0000Z-210621T0345Z/
Erie PA-
1140 PM EDT Sun Jun 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ERIE COUNTY WILL
EXPIRE AT 1145 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 4227 7976 4213 7976 4213 7993 4214 8018
      4221 8006 4220 8004 4222 8001 4227 7990
TIME...MOT...LOC 0340Z 235DEG 36KT 4227 7967 

$$

Campbell

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 10:45 PM EDT	Special Weather Statement	CLE	Erie	45 min
Jun 21, 3:09 AM EDT	Special Weather Statement	CLE	Erie	66 min
Jun 21, 7:40 AM EDT	Special Weather Statement	CLE	Crawford, Erie	35 min
Jun 21, 1:15 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	60 min
Jun 21, 1:53 PM EDT	Areal Flood Advisory	CLE	Crawford	5 hr
Jun 21, 2:06 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	54 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2021 Every 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; radar from the NEXRAD Level II archive.