Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 58, NWS Cleveland, OH

July 20, 2021Mahoning County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 20, 2021, 6:02 PM EDT for Mahoning County, Trumbull County, Ohio. It was in force for 28 min. 3 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 20, 2021, 6:02 PM EDT (22:02 UTC)
Expired: Jul 20, 2021, 6:30 PM EDT
In force: 28 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Mahoning County, OH, Trumbull County, OH

The radar

The Pittsburgh radar (KPBZ), 80 km from the middle of the area, began a volume at 22:02 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 20, 6:05 PM EDT	HAIL 0.7	1 S Vienna, OH	MPING REPORT OF DIME-SIZED HAIL.
Jul 20, 6:10 PM EDT	TSTM WND DMG	Hubbard, OH	SEVERAL REPORTS OF TREES DOWN IN HUBBARD. TIME ESTIMATED VIA RADAR.
Jul 20, 6:30 PM EDT	TSTM WND DMG	1 Ne Campbell, OH	PD REPORTED APPROXIMATELY 20 TREES AND 10 POWER POLLS BLOWN DOWN IN THE SAME DIRECTION AT ROOSEVELT PARK AROUND 630 PM.

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, 10.0 hours before the alert went out and 96 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: 66 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 852 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

269 
WUUS51 KCLE 202202
SVRCLE
OHC099-155-202230-
/O.NEW.KCLE.SV.W.0058.210720T2202Z-210720T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
Issued by National Weather Service Wilmington OH
602 PM EDT Tue Jul 20 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Southeastern Trumbull County in northeastern Ohio...
  Northeastern Mahoning County in northeastern Ohio...

* Until 630 PM EDT.

* At 602 PM EDT, a severe thunderstorm was located over Hubbard,
  moving southeast at 20 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...
  Youngstown, Boardman, Niles, Campbell, Hubbard, Vienna Center,
  Hilltop, Maplewood Park, Austintown, Struthers, Girard, Vienna,
  McDonald, Poland, Lowellville, Orangeville, Yankee Lake, Brookfield
  Center, Churchill and West Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4105 8077 4118 8074 4137 8063 4135 8052
      4099 8052
TIME...MOT...LOC 2202Z 295DEG 19KT 4119 8058 

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

Hatzos

2 follow-up statements

517 
WWUS51 KCLE 202217
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
Issued by National Weather Service Wilmington OH
617 PM EDT Tue Jul 20 2021

OHC099-155-202230-
/O.CON.KCLE.SV.W.0058.000000T0000Z-210720T2230Z/
Trumbull OH-Mahoning OH-
617 PM EDT Tue Jul 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHEASTERN TRUMBULL AND NORTHEASTERN MAHONING COUNTIES...

At 616 PM EDT, a severe thunderstorm was located over Maplewood Park,
moving southeast 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...
Youngstown, Boardman, Campbell, Hubbard, Maplewood Park, Vienna
Center, Austintown, Struthers, Girard, McDonald, Poland, Lowellville,
Yankee Lake, Brookfield Center, Churchill and West Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4104 8072 4117 8072 4130 8063 4132 8052
      4099 8052
TIME...MOT...LOC 2216Z 313DEG 13KT 4115 8057 

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

Hatzos

376 
WWUS51 KCLE 202230
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
Issued by National Weather Service Wilmington OH
630 PM EDT Tue Jul 20 2021

OHC099-155-202240-
/O.EXP.KCLE.SV.W.0058.000000T0000Z-210720T2230Z/
Trumbull OH-Mahoning OH-
630 PM EDT Tue Jul 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TRUMBULL AND
NORTHEASTERN MAHONING COUNTIES HAS EXPIRED...
                
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 allowed to expire.  However small
hail and gusty winds are still possible with this thunderstorm.

LAT...LON 4104 8072 4117 8072 4130 8063 4132 8052
      4099 8052
TIME...MOT...LOC 2230Z 295DEG 19KT 4112 8048 

$$

Hatzos

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 20, 6:30 PM EDT	Special Weather Statement	CLE	Mahoning	30 min
Jul 20, 6:39 PM EDT	Areal Flood Advisory	CLE	Mahoning, Trumbull	3 hr
Jul 20, 6:53 PM EDT	Flash Flood Warning	CLE	Mahoning	75 min
Jul 20, 6:57 PM EDT	Special Weather Statement	CLE	Mahoning	33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.