Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 29, NWS Northern Indiana

June 20, 2021Fulton County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Jun 20, 2021, 8:43 PM EDT for Fulton County, Ohio. It was in force for 32 min. 2 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, 8:43 PM EDT (00:43 UTC)
Expired
Jun 20, 2021, 9:15 PM EDT
In force
32 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Fulton County, OH

The radar

The Northern Indiana radar (KIWX), 121 km from the middle of the area, began a volume at 00:46 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
Jun 20, 8:53 PM EDTTSTM WND DMG1 W Tedrow, OHWAUSEON FIRE REPORTED THERE WERE WIRES DOWN ON COUNTY ROAD 19 AND CO RD J.
Jun 20, 9:00 PM EDTTSTM WND DMGFayette, OHTREE DOWNED ACROSS THE ROAD.

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.

IssuedProductOfficeLasted
Jun 20, 6:06 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 0.7 hours before the alert went out and 144 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 00:00Z on 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 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 00:00Z on 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.19395878Sfc1 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
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.

866 
WUUS53 KIWX 210043
SVRIWX
OHC051-210115-
/O.NEW.KIWX.SV.W.0029.210621T0043Z-210621T0115Z/

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

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Western Fulton County in northwestern Ohio...

* Until 915 PM EDT.

* At 843 PM EDT, a severe thunderstorm was located over Archbold,
  moving northeast at 40 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Wauseon, Archbold, Fayette, Lyons, Oakshade, Elmira, Tedrow,
  Pettisville, Zone, Seward, Denson and Ottokee.

This includes Interstate 80 in Ohio between mile markers 23 and 36.
 
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 4148 8419 4148 8434 4151 8434 4151 8438
      4161 8438 4162 8440 4164 8440 4171 8436
      4172 8402 4171 8402
TIME...MOT...LOC 0043Z 204DEG 33KT 4153 8432 

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

Brown
1 follow-up statement
220 
WWUS53 KIWX 210108
SVSIWX

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

OHC051-210117-
/O.EXP.KIWX.SV.W.0029.000000T0000Z-210621T0115Z/
Fulton OH-
908 PM EDT Sun Jun 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN FULTON COUNTY WILL
EXPIRE AT 915 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

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

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

LAT...LON 4148 8419 4148 8434 4151 8434 4151 8438
      4161 8438 4162 8440 4164 8440 4171 8436
      4172 8402 4171 8402
TIME...MOT...LOC 0107Z 204DEG 33KT 4172 8421 

$$

Brown

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 9:13 PM EDTSevere Thunderstorm WarningIWXDefiance, Fulton, Henry, Williams47 min
Jun 20, 9:56 PM EDTSevere Thunderstorm WarningIWXFulton, Henry34 min
Jun 20, 11:32 PM EDTSpecial Weather StatementIWXPutnam43 min
Jun 21, 2:49 AM EDTSpecial Weather StatementIWXWilliams26 min
Jun 21, 3:25 AM EDTSpecial Weather StatementIWXDefiance, Fulton, Henry, Paulding, Williams35 min
Jun 21, 3:39 AM EDTSevere Thunderstorm WarningIWXDefiance, Fulton, Henry, Williams38 min
Jun 21, 4:11 AM EDTSpecial Weather StatementIWXDefiance, Henry, Paulding, Putnam, Van Wert34 min
Jun 21, 4:37 AM EDTSpecial Weather StatementIWXAllen38 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.