Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 126, NWS Wilmington, OH

December 11, 2021Champaign County, Logan County, Union County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Dec 11, 2021, 5:11 AM EST for Champaign County, Logan County, Union County, Ohio. It was in force for 29 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: Dec 11, 2021, 5:11 AM EST (10:11 UTC)
Expired: Dec 11, 2021, 5:40 AM EST
In force: 29 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Champaign County, OH, Logan County, OH, Union County, OH

The radar

The Cincinnati radar (KILN), 96 km from the middle of the area, began a volume at 10:13 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 00:00Z, 10.2 hours before the alert went out and 94 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 519 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 325 m²/s²
0-3 km storm-relative helicity: 431 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

694 
WUUS51 KILN 111011
SVRILN
OHC021-091-159-111100-
/O.NEW.KILN.SV.W.0126.211211T1011Z-211211T1100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
511 AM EST Sat Dec 11 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Champaign County in west central Ohio...
  Southeastern Logan County in west central Ohio...
  Union County in central Ohio...

* Until 600 AM EST.

* At 511 AM EST, a severe thunderstorm was located near Urbana,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Dublin, Marysville, Bellefontaine, Urbana, Plain City, Richwood,
  St. Paris, West Liberty, North Lewisburg, West Mansfield, New
  California, Milford Center, Woodstock, Magnetic Springs, Unionville
  Center, Valley Hi, Zanesfield, Cable, Thackery and Raymond.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 4050 8325 4025 8325 4024 8317 4011 8317
      4011 8350 4010 8351 4005 8391 4008 8401
      4032 8387 4045 8358
TIME...MOT...LOC 1011Z 260DEG 38KT 4017 8379 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hatzos

3 follow-up statements

219 
WWUS51 KILN 111022
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
522 AM EST Sat Dec 11 2021

OHC021-091-159-111100-
/O.CON.KILN.SV.W.0126.000000T0000Z-211211T1100Z/
Champaign OH-Logan OH-Union OH-
522 AM EST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM EST
FOR CENTRAL CHAMPAIGN...SOUTHEASTERN LOGAN COUNTIES IN WEST CENTRAL
OHIO AND UNION COUNTIES IN CENTRAL OHIO...

At 521 AM EST, severe thunderstorms were located along a line
extending from Richwood to Urbana, moving east at 65 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Dublin, Marysville, Urbana, Plain City, Richwood, North Lewisburg,
West Mansfield, New California, Milford Center, Woodstock, Magnetic 
Springs, Unionville Center, Cable, Raymond, Westville, Broadway, 
Pottersburg and Kennard.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 4050 8325 4025 8325 4024 8317 4011 8317
      4011 8350 4010 8351 4005 8391 4012 8390
      4046 8347
TIME...MOT...LOC 1021Z 251DEG 56KT 4041 8336 4014 8373 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hatzos

507 
WWUS51 KILN 111032
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
532 AM EST Sat Dec 11 2021

OHC021-091-159-111100-
/O.CON.KILN.SV.W.0126.000000T0000Z-211211T1100Z/
Champaign OH-Logan OH-Union OH-
532 AM EST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM EST
FOR EASTERN CHAMPAIGN...SOUTHEASTERN LOGAN COUNTIES IN WEST CENTRAL
OHIO AND UNION COUNTIES IN CENTRAL OHIO...

At 532 AM EST, severe thunderstorms were located along a line
extending from near Prospect to near North Lewisburg, moving east at
45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Dublin, Marysville, Urbana, Plain City, Richwood, North Lewisburg,
New California, Milford Center, Woodstock, Magnetic Springs,
Unionville Center, Cable, Raymond, Westville, Broadway, State Route 4
at State Route 161, US Route 33 at US Route 42, Pottersburg, Kennard
and Essex.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 4050 8325 4025 8325 4024 8317 4011 8317
      4011 8350 4010 8351 4005 8391 4013 8388
      4049 8333
TIME...MOT...LOC 1032Z 260DEG 38KT 4043 8323 4016 8361 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

KC

020 
WWUS51 KILN 111040
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
540 AM EST Sat Dec 11 2021

OHC021-091-159-111050-
/O.CAN.KILN.SV.W.0126.000000T0000Z-211211T1100Z/
Champaign OH-Logan OH-Union OH-
540 AM EST Sat Dec 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CHAMPAIGN...
SOUTHEASTERN LOGAN COUNTIES IN WEST CENTRAL OHIO AND UNION COUNTIES
IN CENTRAL OHIO IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.

Please report previous wind damage or hail to the National Weather
Service by going to our website at weather.gov/iln and submitting
your report via social media.

LAT...LON 4050 8325 4025 8325 4024 8317 4011 8317
      4011 8350 4010 8351 4005 8391 4013 8388
      4049 8333
TIME...MOT...LOC 1038Z 260DEG 38KT 4044 8314 4017 8352 

$$

Hatzos

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 11, 1:34 AM EST	Severe Thunderstorm Warning	ILN	Hamilton	28 min
Dec 11, 2:00 AM EST	Special Weather Statement	ILN	Mercer	30 min
Dec 11, 2:25 AM EST	Special Weather Statement	ILN	Auglaize, Mercer	35 min
Dec 11, 2:59 AM EST	Special Weather Statement	ILN	Hardin	31 min
Dec 11, 3:11 AM EST	Severe Thunderstorm Warning	ILN	Darke, Mercer	49 min
Dec 11, 3:27 AM EST	Special Weather Statement	ILN	Auglaize	33 min
Dec 11, 3:41 AM EST	Severe Thunderstorm Warning	ILN	Adams, Brown	49 min
Dec 11, 3:47 AM EST	Special Weather Statement	ILN	Shelby	28 min
Dec 11, 3:55 AM EST	Severe Thunderstorm Warning	ILN	Adams, Brown	32 min
Dec 11, 3:59 AM EST	Special Weather Statement	ILN	Darke	31 min
Dec 11, 4:07 AM EST	Special Weather Statement	ILN	Hardin	38 min
Dec 11, 4:08 AM EST	Areal Flood Advisory	ILN	Adams, Brown	3 hr
Dec 11, 4:09 AM EST	Special Weather Statement	ILN	Logan, Shelby	36 min
Dec 11, 4:11 AM EST	Severe Thunderstorm Warning	ILN	Darke, Miami, Montgomery, Preble, Shelby	49 min
Dec 11, 4:15 AM EST	Severe Thunderstorm Warning	ILN	Adams, Highland, Pike, Scioto	45 min
Dec 11, 4:25 AM EST	Severe Thunderstorm Warning	ILN	Champaign, Clark, Logan, Miami, Shelby	50 min
Dec 11, 4:36 AM EST	Areal Flood Advisory	ILN	Adams, Pike, Ross, Scioto	3 hr
Dec 11, 4:37 AM EST	Special Weather Statement	ILN	Union	23 min
Dec 11, 4:53 AM EST	Special Weather Statement	ILN	Montgomery	22 min
Dec 11, 4:57 AM EST	Special Weather Statement	ILN	Logan, Union	33 min
Dec 11, 4:59 AM EST	Special Weather Statement	ILN	Adams, Scioto	46 min
Dec 11, 5:14 AM EST	Special Weather Statement	ILN	Clark, Montgomery	31 min
Dec 11, 5:37 AM EST	Special Weather Statement	ILN	Pike	23 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.