Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 103, NWS Wilmington, OH

August 13, 2021Pickaway County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 13, 2021, 4:03 PM EDT for Pickaway County, Ohio. It was in force for 27 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
Aug 13, 2021, 4:03 PM EDT (20:03 UTC)
Expired
Aug 13, 2021, 4:30 PM EDT
In force
27 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Pickaway County, OH

The radar

The Cincinnati radar (KILN), 75 km from the middle of the area, began a volume at 20:06 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
Aug 13, 4:09 PM EDTTSTM WND DMGWilliamsport, OHTREES DOWN. TIME ESTIMATED FROM RADAR.
Aug 13, 4:20 PM EDTTSTM WND DMGCircleville, OHTREES DOWN. TIME ESTIMATED FROM RADAR.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.1 hours before the alert went out and 73 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 12:00Z on 2021-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1416 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, Cncnati-Daytn, OH at 12:00Z on 2021-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939Sfc1 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
1416 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
1025 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

842 
WUUS51 KILN 132003
SVRILN
OHC129-132030-
/O.NEW.KILN.SV.W.0103.210813T2003Z-210813T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
403 PM EDT Fri Aug 13 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Central Pickaway County in central Ohio...

* Until 430 PM EDT.

* At 403 PM EDT, a severe thunderstorm was located over Williamsport,
  moving northeast at 20 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is possible. Expect wind 
           damage to trees and power lines.

* Locations impacted include...
  Circleville, Ashville, South Bloomfield, Williamsport, Logan Elm
  Village, Fox, Aw Marion State Park, State Route 207 at US Route 22
  and State Route 138 at US Route 22.

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 3952 8317 3958 8322 3975 8288 3959 8284
      3956 8284 3956 8283 3952 8282
TIME...MOT...LOC 2003Z 243DEG 19KT 3959 8308 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Clark
2 follow-up statements
470 
WWUS51 KILN 132021
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
421 PM EDT Fri Aug 13 2021

OHC129-132030-
/O.CON.KILN.SV.W.0103.000000T0000Z-210813T2030Z/
Pickaway OH-
421 PM EDT Fri Aug 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR CENTRAL PICKAWAY COUNTY...

At 421 PM EDT, a severe thunderstorm was located over Circleville,
moving northeast at 20 mph.

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

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and power lines.

Locations impacted include...
Circleville, Ashville, South Bloomfield, Williamsport, Logan Elm
Village, Fox, Aw Marion State Park and State Route 138 at US Route
22.

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 3952 8317 3959 8318 3975 8288 3959 8284
      3956 8284 3956 8283 3952 8282
TIME...MOT...LOC 2021Z 243DEG 19KT 3963 8297 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Clark
013 
WWUS51 KILN 132024
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
424 PM EDT Fri Aug 13 2021

OHC129-132033-
/O.EXP.KILN.SV.W.0103.000000T0000Z-210813T2030Z/
Pickaway OH-
424 PM EDT Fri Aug 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PICKAWAY COUNTY WILL
EXPIRE AT 430 PM EDT...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning will be allowed to expire.  However gusty 
winds are still possible with this thunderstorm.

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 3952 8317 3959 8318 3975 8288 3959 8284
      3956 8284 3956 8283 3952 8282
TIME...MOT...LOC 2023Z 243DEG 19KT 3964 8296 

$$

Clark

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 8:05 PM EDTSpecial Weather StatementILNClark25 min
Aug 12, 8:17 PM EDTSpecial Weather StatementILNPreble28 min
Aug 12, 8:20 PM EDTSpecial Weather StatementILNDelaware25 min
Aug 12, 8:26 PM EDTSpecial Weather StatementILNButler34 min
Aug 12, 8:45 PM EDTSpecial Weather StatementILNMiami30 min
Aug 12, 9:04 PM EDTSpecial Weather StatementILNClermont26 min
Aug 12, 10:24 PM EDTAreal Flood WarningILNClark, Madison7 hr
Aug 12, 11:44 PM EDTSpecial Weather StatementILNDelaware16 min
Aug 12, 11:51 PM EDTSevere Thunderstorm WarningILNDelaware24 min
Aug 13, 6:58 AM EDTSpecial Weather StatementILNClark17 min
Aug 13, 8:34 AM EDTSpecial Weather StatementILNLicking41 min
Aug 13, 3:02 PM EDTSpecial Weather StatementILNScioto43 min
Aug 13, 3:19 PM EDTSevere Thunderstorm WarningILNPike, Scioto20 min
Aug 13, 3:26 PM EDTSpecial Weather StatementILNPickaway34 min
Aug 13, 3:30 PM EDTSpecial Weather StatementILNClermont, Fayette, Highland45 min
Aug 13, 3:54 PM EDTSevere Thunderstorm WarningILNFayette, Highland, Pickaway, Pike, Ross51 min
Aug 13, 4:10 PM EDTSpecial Weather StatementILNBrown, Highland50 min
Aug 13, 4:15 PM EDTSpecial Weather StatementILNHocking30 min
Aug 13, 4:18 PM EDTSevere Thunderstorm WarningILNAdams, Brown, Highland, Pike42 min
Aug 13, 4:26 PM EDTSpecial Weather StatementILNPickaway34 min
Aug 13, 4:37 PM EDTSpecial Weather StatementILNFairfield23 min
Aug 13, 6:39 PM EDTSpecial Weather StatementILNMercer51 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.