Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 124, NWS Wilmington, OH

December 11, 20214 counties in Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Dec 11, 2021, 4:15 AM EST for 4 counties in Ohio. It was in force for 45 min. 1 report 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, 4:15 AM EST (09:15 UTC)
Expired
Dec 11, 2021, 5:00 AM EST
In force
45 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Adams County, OH, Highland County, OH, Pike County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 78 km from the middle of the area, began a volume at 09:18 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, 4:37 AM ESTTSTM WND DMG3 Se Kincaid Springs, OHDOWNED TREES ON BEAVERS RIDGE RD. 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, 9.3 hours before the alert went out and 78 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.

137 
WUUS51 KILN 110915
SVRILN
OHC001-071-131-145-111000-
/O.NEW.KILN.SV.W.0124.211211T0915Z-211211T1000Z/

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

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Adams County in southwestern Ohio...
  Pike County in southwestern Ohio...
  Southeastern Highland County in southwestern Ohio...
  Northern Scioto County in southwestern Ohio...

* Until 500 AM EST.

* At 415 AM EST, a severe thunderstorm was located near Seaman,
  moving northeast at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Waverly, West Union, Piketon, Peebles, Winchester, Seaman, Pike
  Lake, Kincaid Springs, Lucasville, Cynthiana, Blue Creek, Beaver,
  Rarden, Cherry Fork, Sinking Spring, Otway, Wakefield, Pike County
  Airport, Dunkinsville and May Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM EST for southwestern
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 southwestern
Ohio.

&&

LAT...LON 3870 8356 3897 8368 3920 8332 3917 8279
      3895 8281 3894 8276 3890 8276
TIME...MOT...LOC 0915Z 239DEG 42KT 3890 8354 

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

$$

KC
3 follow-up statements
498 
WWUS51 KILN 110931
SVSILN

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

OHC071-110941-
/O.CAN.KILN.SV.W.0124.000000T0000Z-211211T1000Z/
Highland OH-
431 AM EST Sat Dec 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HIGHLAND COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 600 AM EST for southwestern
Ohio.

LAT...LON 3870 8356 3890 8365 3906 8339 3919 8320
      3917 8279 3895 8281 3894 8276 3890 8276
TIME...MOT...LOC 0931Z 239DEG 42KT 3900 8333 

$$

OHC001-131-145-111000-
/O.CON.KILN.SV.W.0124.000000T0000Z-211211T1000Z/
Adams OH-Pike OH-Scioto OH-
431 AM EST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM EST
FOR ADAMS...PIKE AND NORTHERN SCIOTO COUNTIES...

At 431 AM EST, a severe thunderstorm was located near Peebles, moving
northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Waverly, West Union, Piketon, Peebles, Seaman, Pike Lake, Kincaid
Springs, Lucasville, Blue Creek, Beaver, Rarden, Cherry Fork, Otway,
Wakefield, Pike County Airport, Dunkinsville, Omega, Locust Grove,
Givens and Mcdermott.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM EST for southwestern
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 3870 8356 3890 8365 3906 8339 3919 8320
      3917 8279 3895 8281 3894 8276 3890 8276
TIME...MOT...LOC 0931Z 239DEG 42KT 3900 8333 

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

$$

KC
819 
WWUS51 KILN 110942
SVSILN

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

OHC001-131-145-111000-
/O.CON.KILN.SV.W.0124.000000T0000Z-211211T1000Z/
Adams OH-Pike OH-Scioto OH-
442 AM EST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM EST
FOR ADAMS...PIKE AND NORTHERN SCIOTO COUNTIES...

At 442 AM EST, a severe thunderstorm was located near Piketon, moving
northeast at 70 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Waverly, West Union, Piketon, Peebles, Lucasville, Blue Creek,
Beaver, Rarden, Otway, Wakefield, Pike County Airport, Dunkinsville,
Omega, Locust Grove, Givens, Mcdermott, Mount Joy, Bear Creek, Cedar
Mills and Lake White.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 AM EST for southwestern
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 3870 8356 3886 8362 3903 8331 3918 8307
      3917 8279 3895 8281 3894 8276 3890 8276
TIME...MOT...LOC 0942Z 240DEG 60KT 3909 8305 

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

$$

KC
139 
WWUS51 KILN 110954
SVSILN

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

OHC001-131-145-111004-
/O.EXP.KILN.SV.W.0124.000000T0000Z-211211T1000Z/
Adams OH-Pike OH-Scioto OH-
454 AM EST Sat Dec 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR ADAMS...PIKE AND NORTHERN
SCIOTO COUNTIES WILL EXPIRE AT 500 AM EST...
                
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 will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 600 AM EST for southwestern
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 3870 8356 3886 8362 3903 8331 3918 8307
      3917 8279 3895 8281 3894 8276 3890 8276
TIME...MOT...LOC 0954Z 239DEG 42KT 3916 8291 

$$

KC

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 1:34 AM ESTSevere Thunderstorm WarningILNHamilton28 min
Dec 11, 2:00 AM ESTSpecial Weather StatementILNMercer30 min
Dec 11, 2:25 AM ESTSpecial Weather StatementILNAuglaize, Mercer35 min
Dec 11, 2:59 AM ESTSpecial Weather StatementILNHardin31 min
Dec 11, 3:11 AM ESTSevere Thunderstorm WarningILNDarke, Mercer49 min
Dec 11, 3:27 AM ESTSpecial Weather StatementILNAuglaize33 min
Dec 11, 3:41 AM ESTSevere Thunderstorm WarningILNAdams, Brown49 min
Dec 11, 3:47 AM ESTSpecial Weather StatementILNShelby28 min
Dec 11, 3:55 AM ESTSevere Thunderstorm WarningILNAdams, Brown32 min
Dec 11, 3:59 AM ESTSpecial Weather StatementILNDarke31 min
Dec 11, 4:07 AM ESTSpecial Weather StatementILNHardin38 min
Dec 11, 4:08 AM ESTAreal Flood AdvisoryILNAdams, Brown3 hr
Dec 11, 4:09 AM ESTSpecial Weather StatementILNLogan, Shelby36 min
Dec 11, 4:11 AM ESTSevere Thunderstorm WarningILNDarke, Miami, Montgomery, Preble, Shelby49 min
Dec 11, 4:25 AM ESTSevere Thunderstorm WarningILNChampaign, Clark, Logan, Miami, Shelby50 min
Dec 11, 4:36 AM ESTAreal Flood AdvisoryILNAdams, Pike, Ross, Scioto3 hr
Dec 11, 4:37 AM ESTSpecial Weather StatementILNUnion23 min
Dec 11, 4:53 AM ESTSpecial Weather StatementILNMontgomery22 min
Dec 11, 4:57 AM ESTSpecial Weather StatementILNLogan, Union33 min
Dec 11, 4:59 AM ESTSpecial Weather StatementILNAdams, Scioto46 min
Dec 11, 5:11 AM ESTSevere Thunderstorm WarningILNChampaign, Logan, Union29 min
Dec 11, 5:14 AM ESTSpecial Weather StatementILNClark, Montgomery31 min
Dec 11, 5:37 AM ESTSpecial Weather StatementILNPike23 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.