Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 99, NWS Cleveland, OH

August 13, 2021Ashtabula County, Ohio; Crawford County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 13, 2021, 7:11 PM EDT for Ashtabula County, Ohio; Crawford County, Pennsylvania. It was in force for 49 min. 1 report 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: Aug 13, 2021, 7:11 PM EDT (23:11 UTC)
Expired: Aug 13, 2021, 8:00 PM EDT
In force: 49 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Ashtabula County, OH, Crawford County, PA

The radar

The Pittsburgh radar (KPBZ), 114 km from the middle of the area, began a volume at 23:12 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
Aug 13, 7:31 PM EDT	TSTM WND DMG	2 Sw Conneaut Lake, PA	TREE DOWN. TIME ESTIMATED FROM RADAR.

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, 11.2 hours before the alert went out and 128 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: 1595 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 800 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

099 
WUUS51 KCLE 132311
SVRCLE
OHC007-PAC039-140000-
/O.NEW.KCLE.SV.W.0099.210813T2311Z-210814T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
711 PM EDT Fri Aug 13 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Southeastern Ashtabula County in northeastern Ohio...
  Southwestern Crawford County in northwestern Pennsylvania...

* Until 800 PM EDT.

* At 710 PM EDT, a severe thunderstorm was located over Andover, or
  19 miles west of Meadville, moving east at 25 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Meadville, Andover, Linesville, Harmonsburg, Pymatuning North,
  Pymatuning Central, Atlantic, Adamsville, Saegertown, Conneaut
  Lake, Conneaut Lakeshore, Geneva and Hartstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4148 8013 4148 8019 4155 8059 4168 8058
      4175 8011 4149 8009
TIME...MOT...LOC 2310Z 273DEG 21KT 4161 8052 

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

$$

Saunders

2 follow-up statements

917 
WWUS51 KCLE 132327
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
727 PM EDT Fri Aug 13 2021

OHC007-132337-
/O.CAN.KCLE.SV.W.0099.000000T0000Z-210814T0000Z/
Ashtabula OH-
727 PM EDT Fri Aug 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ASHTABULA COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4156 8048 4166 8049 4169 8040 4171 8038
      4175 8011 4150 8009
TIME...MOT...LOC 2327Z 273DEG 21KT 4160 8039 

$$

PAC039-140000-
/O.CON.KCLE.SV.W.0099.000000T0000Z-210814T0000Z/
Crawford PA-
727 PM EDT Fri Aug 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHWESTERN CRAWFORD COUNTY...

At 727 PM EDT, a severe thunderstorm was located near Linesville, or
12 miles west of Meadville, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Meadville, Linesville, Harmonsburg, Pymatuning North, Pymatuning
Central, Saegertown, Conneaut Lake, Conneaut Lakeshore, Geneva and
Hartstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4156 8048 4166 8049 4169 8040 4171 8038
      4175 8011 4150 8009
TIME...MOT...LOC 2327Z 273DEG 21KT 4160 8039 

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

$$

Saunders

213 
WWUS51 KCLE 132355
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
755 PM EDT Fri Aug 13 2021

PAC039-140005-
/O.EXP.KCLE.SV.W.0099.000000T0000Z-210814T0000Z/
Crawford PA-
755 PM EDT Fri Aug 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CRAWFORD COUNTY
WILL EXPIRE AT 800 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

LAT...LON 4156 8048 4166 8049 4169 8040 4171 8038
      4175 8011 4150 8009
TIME...MOT...LOC 2355Z 273DEG 21KT 4159 8020 

$$

Saunders

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 8:07 PM EDT	Special Weather Statement	CLE	Stark	53 min
Aug 12, 11:51 PM EDT	Severe Thunderstorm Warning	CLE	Knox, Morrow	33 min
Aug 13, 3:54 PM EDT	Special Weather Statement	CLE	Knox	51 min
Aug 13, 4:34 PM EDT	Special Weather Statement	CLE	Lucas	41 min
Aug 13, 4:42 PM EDT	Special Marine Warning	CLE		93 min
Aug 13, 4:49 PM EDT	Special Weather Statement	CLE	Stark	26 min
Aug 13, 4:52 PM EDT	Special Weather Statement	CLE	Lucas	23 min
Aug 13, 5:28 PM EDT	Special Marine Warning	CLE		92 min
Aug 13, 5:46 PM EDT	Special Weather Statement	CLE	Lorain	29 min
Aug 13, 5:55 PM EDT	Special Weather Statement	CLE	Knox	35 min
Aug 13, 6:11 PM EDT	Special Marine Warning	CLE		94 min
Aug 13, 6:22 PM EDT	Special Weather Statement	CLE	Lorain	38 min
Aug 13, 6:26 PM EDT	Special Marine Warning	CLE		95 min
Aug 13, 6:46 PM EDT	Areal Flood Advisory	CLE	Cuyahoga, Lorain	4 hr
Aug 13, 6:49 PM EDT	Special Weather Statement	CLE	Knox	26 min
Aug 13, 6:57 PM EDT	Special Weather Statement	CLE	Ashtabula	33 min
Aug 13, 7:39 PM EDT	Special Weather Statement	CLE	Geauga	51 min
Aug 13, 7:42 PM EDT	Areal Flood Advisory	CLE	Lake	3 hr
Aug 13, 7:57 PM EDT	Special Weather Statement	CLE	Stark	33 min
Aug 13, 7:59 PM EDT	Special Weather Statement	CLE	Portage	31 min
Aug 13, 7:54 PM EDT	Special Weather Statement	CLE	Crawford	51 min

Nearby

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