Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 35, NWS Cleveland, OH

July 1, 2021Marion County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 1, 2021, 7:18 PM EDT for Marion County, Ohio. It was in force for 19 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: Jul 1, 2021, 7:18 PM EDT (23:18 UTC)
Expired: Jul 1, 2021, 7:37 PM EDT
In force: 19 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Marion County, OH

The radar

The Cincinnati radar (KILN), 135 km from the middle of the area, began a volume at 23:19 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.3 hours before the alert went out and 133 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: 133 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 627 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: -47 m²/s²
0-3 km storm-relative helicity: -20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted.

127 
WUUS51 KCLE 012318
SVRCLE
OHC101-020000-
/O.NEW.KCLE.SV.W.0035.210701T2318Z-210702T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
718 PM EDT Thu Jul 1 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Marion County in north central Ohio...

* Until 800 PM EDT.

* At 718 PM EDT, a severe thunderstorm was located near Marion,
  moving southeast at 25 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...
  Marion, Prospect, Morral, Waldo, New Bloomington, Green Camp and
  State Route 229 at US Route 23.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4044 8317 4044 8325 4050 8325 4051 8330
      4068 8332 4070 8314 4058 8298 4049 8296
      4048 8302 4043 8303
TIME...MOT...LOC 2318Z 332DEG 23KT 4061 8321 

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

Campbell

2 follow-up statements

033 
WWUS51 KCLE 012326
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
726 PM EDT Thu Jul 1 2021

OHC101-020000-
/O.CON.KCLE.SV.W.0035.000000T0000Z-210702T0000Z/
Marion OH-
726 PM EDT Thu Jul 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR EASTERN MARION COUNTY...

At 726 PM EDT, a severe thunderstorm was located near Marion, moving
southeast at 25 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...
Marion, Prospect, Waldo, Green Camp and State Route 229 at US Route
23.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4044 8317 4044 8325 4051 8325 4059 8328
      4067 8313 4057 8302 4049 8296 4048 8302
      4043 8303
TIME...MOT...LOC 2326Z 332DEG 23KT 4056 8318 

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

Campbell

489 
WWUS51 KCLE 012337
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
737 PM EDT Thu Jul 1 2021

OHC101-012346-
/O.CAN.KCLE.SV.W.0035.000000T0000Z-210702T0000Z/
Marion OH-
737 PM EDT Thu Jul 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MARION COUNTY IS
CANCELLED...
                
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 has been cancelled.

LAT...LON 4044 8317 4044 8325 4051 8325 4059 8328
      4067 8313 4057 8302 4049 8296 4048 8302
      4043 8303
TIME...MOT...LOC 2329Z 332DEG 23KT 4050 8314 

$$

Campbell

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 8:05 PM EDT	Areal Flood Advisory	CLE	Stark	4 hr
Jul 1, 3:44 AM EDT	Beach Hazards Statement	CLE	Ashtabula, Cuyahoga, Erie, Lake, Lorain	45 hr
Jul 1, 3:44 AM EDT	Small Craft Advisory	CLE		45 hr
Jul 1, 6:13 AM EDT	Areal Flood Advisory	CLE	Ashland, Medina	3 hr
Jul 1, 4:25 PM EDT	Special Weather Statement	CLE	Sandusky	35 min
Jul 1, 6:31 PM EDT	Severe Thunderstorm Warning	CLE	Wyandot	44 min
Jul 1, 6:37 PM EDT	Tornado Warning	CLE	Wyandot	38 min
Jul 1, 6:58 PM EDT	Tornado Warning	CLE	Marion	21 min

Nearby

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.