Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 121, NWS Wilmington, OH

December 11, 2021Fayette County, Union County, Wayne County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at Dec 11, 2021, 3:46 AM EST for Fayette County, Union County, Wayne County, Indiana. It was in force for 44 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
Dec 11, 2021, 3:46 AM EST (08:46 UTC)
Expired
Dec 11, 2021, 4:30 AM EST
In force
44 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Fayette County, IN, Union County, IN, Wayne County, IN

The radar

The Indianapolis radar (KIND), 97 km from the middle of the area, began a volume at 08:49 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
Dec 11, 4:01 AM ESTTSTM WND DMG2 Sse Cambridge City, INMULTIPLE TREES DOWN IN MILTON. TIME ESTIMATED FROM RADAR.
Dec 11, 4:18 AM ESTTSTM WND DMGN Connersville, INSEVERAL TREES DOWN IN CONNERSVILLE. TIME ESTIMATED FROM RADAR.

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
Dec 11, 12:20 AM ESTTornado WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.8 hours before the alert went out and 123 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, Cncnati-Daytn, OH at 00:00Z on 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 square meters per square second.1939587897Sfc1 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
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.

288 
WUUS51 KILN 110846
SVRILN
INC041-161-177-110930-
/O.NEW.KILN.SV.W.0121.211211T0846Z-211211T0930Z/

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

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Wayne County in east central Indiana...
  Northern Union County in east central Indiana...
  Fayette County in east central Indiana...

* Until 430 AM EST.

* At 346 AM EST, severe thunderstorms were located along a line 
  extending from 6 miles southwest of Dublin to Rushville, moving 
  east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Richmond, Connersville, Centerville, Cambridge City, Liberty,
  Hagerstown, Fountain City, Dublin, Glenwood, Franklin, Waterloo,
  Columbia, Bunker Hill, Abington, Brownsville, Greens Fork, East
  Germantown, Spring Grove, Bethel and Economy.

This includes I-70 in Indiana between mile markers 134 and 156.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM EST for east central
Indiana...and west central Ohio.

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.

A Tornado Watch remains in effect until 600 AM EST for east central
Indiana...and west central Ohio.

&&

LAT...LON 3979 8530 3979 8522 3987 8522 3987 8520
      4000 8520 4000 8481 3963 8482 3954 8530
TIME...MOT...LOC 0846Z 249DEG 52KT 3977 8532 3955 8542 

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

$$

Hatzos
3 follow-up statements
284 
WWUS51 KILN 110901
SVSILN

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

INC041-161-177-110930-
/O.CON.KILN.SV.W.0121.000000T0000Z-211211T0930Z/
Wayne IN-Union IN-Fayette IN-
401 AM EST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM EST
FOR WAYNE...NORTHERN UNION AND FAYETTE COUNTIES IN EAST CENTRAL
INDIANA...

At 401 AM EST, severe thunderstorms were located along a line
extending from near Centerville to near Glenwood, moving east at 60
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Richmond, Connersville, Centerville, Cambridge City, Liberty,
Hagerstown, Fountain City, Dublin, Glenwood, Waterloo, Columbia,
Bunker Hill, Abington, Brownsville, Greens Fork, East Germantown,
Spring Grove, Bethel, Boston and Mount Auburn.

This includes I-70 in Indiana between mile markers 134 and 156.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM EST for east central
Indiana...and west central Ohio.

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 3971 8530 3979 8522 3987 8522 3987 8520
      4000 8504 4000 8481 3963 8482 3954 8530
TIME...MOT...LOC 0901Z 247DEG 51KT 3988 8504 3959 8524 

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

$$

Hatzos
663 
WWUS51 KILN 110912
SVSILN

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

INC041-161-177-110930-
/O.CON.KILN.SV.W.0121.000000T0000Z-211211T0930Z/
Wayne IN-Union IN-Fayette IN-
412 AM EST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM EST
FOR EASTERN WAYNE...NORTHERN UNION AND SOUTHEASTERN FAYETTE COUNTIES
IN EAST CENTRAL INDIANA...

At 412 AM EST, severe thunderstorms were located along a line
extending from near Fountain City to near Connersville, moving east
at 65 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Richmond, Connersville, Centerville, Liberty, Fountain City,
Waterloo, Columbia, Abington, Brownsville, Spring Grove, Bethel,
Boston, Whitewater, Richmond Municipal Airport, Whitewater State 
Park, Goodwins Corner, Mettel Field, Springersville and Witts 
Station.

This includes I-70 in Indiana between mile markers 143 and 156.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM EST for east central
Indiana...and west central Ohio.

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 4000 8495 4000 8481 3963 8482 3956 8524
TIME...MOT...LOC 0912Z 251DEG 55KT 3993 8485 3963 8508 

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

$$

Hatzos
428 
WWUS51 KILN 110929
SVSILN

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

INC041-161-177-110939-
/O.EXP.KILN.SV.W.0121.000000T0000Z-211211T0930Z/
Wayne IN-Union IN-Fayette IN-
429 AM EST Sat Dec 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WAYNE...NORTHERN UNION
AND SOUTHEASTERN FAYETTE COUNTIES IN EAST CENTRAL INDIANA WILL EXPIRE
AT 430 AM EST...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 600 AM EST for east central
Indiana...and west central Ohio.

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 4000 8495 4000 8481 3963 8482 3956 8524
TIME...MOT...LOC 0929Z 249DEG 52KT 4002 8456 3972 8479 

$$

Hatzos

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 1:23 AM ESTAreal Flood AdvisoryILNFayette, Franklin, Ripley, Union65 min
Dec 11, 1:27 AM ESTSpecial Weather StatementILNDearborn, Ripley33 min
Dec 11, 1:34 AM ESTSevere Thunderstorm WarningILNDearborn, Ohio, Ripley, Switzerland28 min
Dec 11, 3:20 AM ESTSpecial Weather StatementILNWayne25 min
Dec 11, 3:40 AM ESTSpecial Weather StatementILNFayette, Wayne35 min

Nearby

Severe Thunderstorm Warnings in Indiana, 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.