Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 33, NWS Northern Indiana

June 20, 2021Fulton County, Henry County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Jun 20, 2021, 9:56 PM EDT for Fulton County, Henry County, Ohio. It was in force for 34 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: Jun 20, 2021, 9:56 PM EDT (01:56 UTC)
Expired: Jun 20, 2021, 10:30 PM EDT
In force: 34 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Fulton County, OH, Henry County, OH

The radar

The Northern Indiana radar (KIWX), 133 km from the middle of the area, began a volume at 01:58 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
Jun 20, 9:58 PM EDT	TSTM WND DMG	1 E Liberty Center, OH	LIMBS DOWN JUST EAST OF LIBERTY CENTER, OH. LIMBS RANGE FROM 3 TO 5 IN DIAMETER. TOWN IS WITHOUT POWER.
Jun 20, 10:00 PM EDT	TSTM WND DMG	2 Ne Gallup, OH	TREE DOWNED AND BLOCKING THE ROAD.
Jun 20, 10:05 PM EDT	TSTM WND DMG	3 N Gallup, OH	WIRES DOWN AT 14430 COUNTY ROAD B. REPORTED BY WAUSEON FIRE DEPT.
Jun 20, 10:07 PM EDT	TSTM WND DMG	1 Nw Liberty Center, OH	TREE DOWNED.
Jun 20, 10:10 PM EDT	TSTM WND DMG	2 Wnw Colton, OH	POWERLINES DOWNED.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 20, 6:06 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 1.9 hours before the alert went out and 151 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: -112 J/kg
Mixed-layer LCL: 1501 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

508 
WUUS53 KIWX 210156
SVRIWX
OHC051-069-210230-
/O.NEW.KIWX.SV.W.0033.210621T0156Z-210621T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
956 PM EDT Sun Jun 20 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Northeastern Henry County in northwestern Ohio...
  Southeastern Fulton County in northwestern Ohio...

* Until 1030 PM EDT.

* At 955 PM EDT, a severe thunderstorm was located near Wauseon,
  moving east at 40 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Napoleon, Wauseon, Swanton, Delta, Liberty Center, Texas, Colton,
  Brailey and Gerald.

This includes Interstate 80 in Ohio between mile markers 36 and 48.
 
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 4136 8423 4143 8423 4158 8422 4164 8388
      4139 8389
TIME...MOT...LOC 0155Z 260DEG 34KT 4150 8414 

HAIL...0.75IN
WIND...60MPH
 
$$

Brown

2 follow-up statements

474 
WWUS53 KIWX 210212
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
1012 PM EDT Sun Jun 20 2021

OHC051-069-210230-
/O.CON.KIWX.SV.W.0033.000000T0000Z-210621T0230Z/
Henry OH-Fulton OH-
1012 PM EDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR NORTHEASTERN HENRY AND SOUTHEASTERN FULTON COUNTIES...

At 1011 PM EDT, a severe thunderstorm was located near Liberty
Center, or near Swanton, moving east at 40 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Swanton, Delta, Liberty Center, Texas, Colton and Brailey. 

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 4138 8404 4147 8407 4158 8410 4162 8388
      4139 8389
TIME...MOT...LOC 0211Z 261DEG 33KT 4150 8394 

HAIL...0.75IN
WIND...60MPH
 
$$

MARSILI

137 
WWUS53 KIWX 210224
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
1024 PM EDT Sun Jun 20 2021

OHC051-069-210234-
/O.EXP.KIWX.SV.W.0033.000000T0000Z-210621T0230Z/
Henry OH-Fulton OH-
1024 PM EDT Sun Jun 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HENRY AND
SOUTHEASTERN FULTON COUNTIES WILL EXPIRE AT 1030 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
northwestern Ohio.

LAT...LON 4138 8404 4147 8407 4158 8410 4162 8388
      4139 8389
TIME...MOT...LOC 0224Z 260DEG 34KT 4152 8380 

$$

MARSILI

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 20, 8:43 PM EDT	Severe Thunderstorm Warning	IWX	Fulton	32 min
Jun 20, 9:13 PM EDT	Severe Thunderstorm Warning	IWX	Defiance, Fulton, Henry, Williams	47 min
Jun 20, 11:32 PM EDT	Special Weather Statement	IWX	Putnam	43 min
Jun 21, 2:49 AM EDT	Special Weather Statement	IWX	Williams	26 min
Jun 21, 3:25 AM EDT	Special Weather Statement	IWX	Defiance, Fulton, Henry, Paulding, Williams	35 min
Jun 21, 3:39 AM EDT	Severe Thunderstorm Warning	IWX	Defiance, Fulton, Henry, Williams	38 min
Jun 21, 4:11 AM EDT	Special Weather Statement	IWX	Defiance, Henry, Paulding, Putnam, Van Wert	34 min
Jun 21, 4:37 AM EDT	Special Weather Statement	IWX	Allen	38 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.