Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 63, NWS Cleveland, OH

July 29, 2021Crawford County, Erie County, Pennsylvania; Ashtabula County, Lake County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 29, 2021, 11:35 AM EDT for Crawford County, Erie County, Pennsylvania; Ashtabula County, Lake County, Ohio. It was in force for 40 min. 5 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: Jul 29, 2021, 11:35 AM EDT (15:35 UTC)
Expired: Jul 29, 2021, 12:15 PM EDT
In force: 40 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Ashtabula County, OH, Lake County, OH, Crawford County, PA, Erie County, PA

The radar

The Cleveland radar (KCLE), 112 km from the middle of the area, began a volume at 15:36 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

Time	Report	Where	Remark
Jul 29, 11:36 AM EDT	TSTM WND DMG	2 Sw North Kingsville, OH	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 2 SW NORTH KINGSVILLE. TREE AND WIRES DOWN.
Jul 29, 11:36 AM EDT	TSTM WND GST 59	4 W Ashtabula, OH
Jul 29, 11:37 AM EDT	TSTM WND DMG	2 S North Kingsville, OH	NUMEROUS TREES DOWN THROUGHOUT KINGSVILLE.
Jul 29, 11:47 AM EDT	TSTM WND DMG	2 Sw North Kingsville, OH	TREE AND WIRES DOWN.
Jul 29, 11:48 AM EDT	TSTM WND DMG	2 Ne Jefferson, OH	ROOF BLOWN OFF OF A BARN, ALONG WITH SEVERAL SMALL TREES BLOWN OVER ON PERRY RD. ADDITIONAL TREE DAMAGE OCCURRED ON GIDDINGS RD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 3.6 hours before the alert went out and 162 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: 136 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1222 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

709 
WUUS51 KCLE 291535
SVRCLE
OHC007-085-PAC039-049-291615-
/O.NEW.KCLE.SV.W.0063.210729T1535Z-210729T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
1135 AM EDT Thu Jul 29 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Northeastern Lake County in northeastern Ohio...
  Ashtabula County in northeastern Ohio...
  Southwestern Erie County in northwestern Pennsylvania...
  Northwestern Crawford County in northwestern Pennsylvania...

* Until 1215 PM EDT.

* At 1134 AM EDT, severe thunderstorms were located along a line
  extending from Conneaut to near Geneva-On-The-Lake, moving
  southeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Ashtabula, Meadville, Conneaut, Geneva-On-The-Lake, Geneva,
  Madison, North Kingsville, Albion, Andover, Linesville, Pymatuning
  Central, Harmonsburg, Pymatuning North, Austinburg, Kingsville,
  Roaming Shores, Pierpont, Saegertown, Cherry Valley and
  Conneautville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4169 8004 4150 8076 4176 8104 4185 8108
      4192 8082 4193 8074 4197 8059 4200 8046
TIME...MOT...LOC 1534Z 307DEG 35KT 4192 8056 4192 8101 

HAIL...<.75IN
WIND...60MPH
 
$$

Saunders

2 follow-up statements

762 
WWUS51 KCLE 291606
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1206 PM EDT Thu Jul 29 2021

OHC085-PAC049-291616-
/O.CAN.KCLE.SV.W.0063.000000T0000Z-210729T1615Z/
Lake OH-Erie PA-
1206 PM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LAKE AND
SOUTHWESTERN ERIE COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 4169 8004 4155 8057 4188 8098 4192 8082
      4183 8050 4185 8046 4185 8025
TIME...MOT...LOC 1606Z 307DEG 39KT 4183 8030 4170 8056 

$$

OHC007-PAC039-291615-
/O.CON.KCLE.SV.W.0063.000000T0000Z-210729T1615Z/
Ashtabula OH-Crawford PA-
1206 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR NORTHEASTERN ASHTABULA AND NORTHWESTERN CRAWFORD COUNTIES...

At 1206 PM EDT, severe thunderstorms were located along a line
extending from near Albion to near Pymatuning North, moving southeast
at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Ashtabula, Meadville, Geneva-On-The-Lake, Andover, Linesville,
Harmonsburg, Pymatuning North, Pymatuning Central, Pierpont,
Saegertown, Conneautville, Springboro, Edgewood, Plymouth Center,
Conneaut Lakeshore and Kelloggsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4169 8004 4155 8057 4188 8098 4192 8082
      4183 8050 4185 8046 4185 8025
TIME...MOT...LOC 1606Z 307DEG 39KT 4183 8030 4170 8056 

HAIL...<.75IN
WIND...60MPH
 
$$

Saunders

563 
WWUS51 KCLE 291615
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1215 PM EDT Thu Jul 29 2021

OHC007-PAC039-291624-
/O.EXP.KCLE.SV.W.0063.000000T0000Z-210729T1615Z/
Ashtabula OH-Crawford PA-
1215 PM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ASHTABULA AND
NORTHWESTERN CRAWFORD COUNTIES WILL EXPIRE AT 1215 PM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

LAT...LON 4169 8004 4155 8057 4188 8098 4192 8082
      4183 8050 4185 8046 4185 8025
TIME...MOT...LOC 1614Z 307DEG 35KT 4180 8024 4167 8050 

$$

Saunders

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 10:05 AM EDT	Beach Hazards Statement	CLE	Erie	28 hr
Jul 29, 10:17 AM EDT	Special Weather Statement	CLE	Crawford, Erie	28 min
Jul 29, 10:21 AM EDT	Severe Thunderstorm Warning	CLE	Crawford, Erie	39 min
Jul 29, 11:11 AM EDT	Areal Flood Advisory	CLE	Erie	3 hr
Jul 29, 11:45 AM EDT	Tornado Warning	CLE	Crawford, Erie	27 min
Jul 29, 12:52 PM EDT	Areal Flood Advisory	CLE	Crawford	3 hr
Jul 29, 1:01 PM EDT	Special Weather Statement	CLE	Crawford	29 min
Jul 29, 1:08 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	37 min
Jul 29, 8:57 AM EDT	Special Weather Statement	CLE	Marion	33 min
Jul 29, 9:11 AM EDT	Special Marine Warning	CLE		94 min
Jul 29, 9:46 AM EDT	Special Weather Statement	CLE	Ashtabula, Geauga, Lake	29 min
Jul 29, 10:03 AM EDT	Small Craft Advisory	CLE		28 hr
Jul 29, 10:09 AM EDT	Special Marine Warning	CLE		2 hr
Jul 29, 10:47 AM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Lake	43 min
Jul 29, 11:16 AM EDT	Special Marine Warning	CLE		60 min
Jul 29, 11:50 AM EDT	Areal Flood Advisory	CLE	Ashtabula	3 hr
Jul 29, 12:03 PM EDT	Flash Flood Warning	CLE	Ashtabula	3 hr
Jul 29, 12:31 PM EDT	Special Weather Statement	CLE	Ashtabula	29 min
Jul 29, 3:28 PM EDT	Areal Flood Warning	CLE	Ashtabula	2 hr
Jul 29, 3:46 PM EDT	Special Weather Statement	CLE	Stark	29 min
Jul 29, 4:15 PM EDT	Special Weather Statement	CLE	Stark	30 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2021 Severe Thunderstorm Warnings in Ohio, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.