Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 112, NWS Cleveland, OH

October 8, 2021Ottawa County, Sandusky County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Oct 8, 2021, 1:52 PM EDT for Ottawa County, Sandusky County, Ohio. It was in force for 38 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
Oct 8, 2021, 1:52 PM EDT (17:52 UTC)
Expired
Oct 8, 2021, 2:30 PM EDT
In force
38 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Ottawa County, OH, Sandusky County, OH

The radar

The Cleveland radar (KCLE), 89 km from the middle of the area, began a volume at 17:56 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

TimeReportWhereRemark
Oct 8, 2:00 PM EDTHAIL 14 Nne Clyde, OH

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

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 5.9 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, Detroit, MI at 12:00Z on 2021-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 421 joules per kilogram.LCLLFCEL10008507005003002001001 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, Detroit, MI at 12:00Z on 2021-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.1939Sfc1 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
421 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
683 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

035 
WUUS51 KCLE 081752
SVRCLE
OHC123-143-081830-
/O.NEW.KCLE.SV.W.0112.211008T1752Z-211008T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
152 PM EDT Fri Oct 8 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Ottawa County in northwestern Ohio...
  Eastern Sandusky County in northwestern Ohio...

* Until 230 PM EDT.

* At 152 PM EDT, a severe thunderstorm was located near Clyde, or
  near Fremont, moving north at 15 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...
  Port Clinton, Clyde, Catawba Island, Bay View, Whites Landing and
  Vickery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4165 8308 4156 8293 4156 8291 4158 8292
      4161 8289 4156 8273 4147 8279 4147 8281
      4144 8285 4137 8284 4128 8291 4129 8298
      4140 8313
TIME...MOT...LOC 1752Z 196DEG 11KT 4138 8300 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Sefcovic
2 follow-up statements
092 
WWUS51 KCLE 081814
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
214 PM EDT Fri Oct 8 2021

OHC123-143-081830-
/O.CON.KCLE.SV.W.0112.000000T0000Z-211008T1830Z/
Ottawa OH-Sandusky OH-
214 PM EDT Fri Oct 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR OTTAWA AND NORTHEASTERN SANDUSKY COUNTIES...

At 212 PM EDT, a severe thunderstorm was located near Vickery, or 
south of Port Clinton, moving northeast at 10 mph. Trained spotters 
reported quarter-sized hail near the Commodore Perry Service Plaza 
on the Ohio Turnpike. 

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

SOURCE...Trained weather spotters.

IMPACT...Minor damage to vehicles is possible. Expect damage to 
         trees and power lines.

Locations impacted include...
Port Clinton, Catawba Island, Bay View, Whites Landing and Vickery. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4159 8300 4156 8295 4156 8291 4159 8291
      4161 8288 4156 8273 4148 8278 4144 8285
      4135 8285 4134 8290 4137 8298 4144 8306
TIME...MOT...LOC 1812Z 210DEG 11KT 4141 8294 

HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Sefcovic
601 
WWUS51 KCLE 081827
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
227 PM EDT Fri Oct 8 2021

OHC123-143-081837-
/O.EXP.KCLE.SV.W.0112.000000T0000Z-211008T1830Z/
Ottawa OH-Sandusky OH-
227 PM EDT Fri Oct 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR OTTAWA AND NORTHEASTERN
SANDUSKY COUNTIES WILL EXPIRE AT 230 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.  However small hail
and torrential rainfall is still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Cleveland.

LAT...LON 4159 8300 4156 8295 4156 8291 4159 8291
      4161 8288 4156 8273 4148 8278 4144 8285
      4135 8285 4134 8290 4137 8298 4144 8306
TIME...MOT...LOC 1827Z 196DEG 11KT 4144 8293 

$$

Sefcovic

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 1:19 PM EDTSpecial Weather StatementCLESandusky26 min
Oct 8, 1:47 PM EDTSpecial Weather StatementCLEOttawa43 min
Oct 8, 2:01 PM EDTSpecial Marine WarningCLE98 min
Oct 8, 2:26 PM EDTSpecial Weather StatementCLEOttawa49 min
Oct 8, 2:40 PM EDTSpecial Weather StatementCLEErie50 min
Oct 8, 2:44 PM EDTSpecial Marine WarningCLE100 min
Oct 8, 4:43 PM EDTSpecial Weather StatementCLELorain47 min
Oct 8, 4:47 PM EDTSevere Thunderstorm WarningCLELorain28 min
Oct 8, 4:50 PM EDTSpecial Marine WarningCLE55 min
Oct 8, 5:14 PM EDTSpecial Weather StatementCLELorain46 min
Oct 8, 5:21 PM EDTSpecial Weather StatementCLEMedina39 min
Oct 8, 6:08 PM EDTSpecial Weather StatementCLEHancock52 min
Oct 8, 6:13 PM EDTSevere Thunderstorm WarningCLEHancock26 min
Oct 8, 6:19 PM EDTSpecial Marine WarningCLE41 min
Oct 8, 7:01 PM EDTSpecial Marine WarningCLE59 min
Oct 8, 7:14 PM EDTSpecial Weather StatementCLECuyahoga46 min

Nearby

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