Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 48, NWS Wilmington, OH

June 29, 20215 counties in Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 29, 2021, 5:12 PM EDT for 5 counties in Ohio. It was in force for 36 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
Jun 29, 2021, 5:12 PM EDT (21:12 UTC)
Expired
Jun 29, 2021, 5:48 PM EDT
In force
36 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Champaign County, OH, Clark County, OH, Logan County, OH, Madison County, OH, Union County, OH

The radar

The Cincinnati radar (KILN), 86 km from the middle of the area, began a volume at 21:16 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 12:00Z, 9.2 hours before the alert went out and 85 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 2021-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1541 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 2021-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
1541 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
1248 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

523 
WUUS51 KILN 292112
SVRILN
OHC021-023-091-097-159-292200-
/O.NEW.KILN.SV.W.0048.210629T2112Z-210629T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
512 PM EDT Tue Jun 29 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Eastern Champaign County in west central Ohio...
  Southeastern Logan County in west central Ohio...
  Northeastern Clark County in west central Ohio...
  Northwestern Madison County in central Ohio...
  Southwestern Union County in central Ohio...

* Until 600 PM EDT.

* At 511 PM EDT, a severe thunderstorm was located over North 
  Lewisburg, moving northeast at 30 mph. Another severe thunderstorm 
  was located over Powhattan.

  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...
  Springfield, Marysville, Urbana, Mechanicsburg, North Lewisburg,
  Milford Center, Tremont City, Woodstock, Catawba, Mutual, Cable, 
  Raymond, Broadway, Middleburg, Powhattan, Mingo, Pottersburg, 
  Catawba Station 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 4017 8337 3996 8362 3998 8388 4035 8362
      4035 8335
TIME...MOT...LOC 2111Z 216DEG 26KT 4021 8352 

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

Hatzos
3 follow-up statements
633 
WWUS51 KILN 292123
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
523 PM EDT Tue Jun 29 2021

OHC021-023-091-097-159-292200-
/O.CON.KILN.SV.W.0048.000000T0000Z-210629T2200Z/
Champaign OH-Logan OH-Clark OH-Madison OH-Union OH-
523 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR EASTERN CHAMPAIGN...SOUTHEASTERN LOGAN AND NORTHEASTERN CLARK
COUNTIES IN WEST CENTRAL OHIO...NORTHWESTERN MADISON AND SOUTHWESTERN
UNION COUNTIES IN CENTRAL OHIO...

At 522 PM EDT, a severe thunderstorm was located 4 miles south of 
Urbana, 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...
Powhattan, Mutual, Urbana, Mechanicsburg, North Lewisburg, Milford 
Center, Tremont City, Woodstock, Catawba, Cable, Raymond, Broadway, 
Middleburg, Mingo, Pottersburg, Catawba Station 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 4017 8337 3996 8362 3998 8388 4035 8362
      4035 8335
TIME...MOT...LOC 2122Z 226DEG 19KT 4005 8372 

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

Hatzos
675 
WWUS51 KILN 292132
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
532 PM EDT Tue Jun 29 2021

OHC023-292142-
/O.CAN.KILN.SV.W.0048.000000T0000Z-210629T2200Z/
Clark OH-
532 PM EDT Tue Jun 29 2021

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

LAT...LON 4035 8335 4017 8337 4001 8356 4003 8384
      4035 8362
TIME...MOT...LOC 2132Z 216DEG 26KT 4011 8366 

$$

OHC021-091-097-159-292200-
/O.CON.KILN.SV.W.0048.000000T0000Z-210629T2200Z/
Champaign OH-Logan OH-Madison OH-Union OH-
532 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR EASTERN CHAMPAIGN AND SOUTHEASTERN LOGAN COUNTIES IN WEST CENTRAL
OHIO...NORTHWESTERN MADISON AND SOUTHWESTERN UNION COUNTIES IN
CENTRAL OHIO...

At 532 PM EDT, a severe thunderstorm was located near Urbana, moving
northeast at 30 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...
Urbana, Mutual, Mechanicsburg, North Lewisburg, Milford Center, 
Woodstock, Cable, Raymond, Broadway, Middleburg, Powhattan, Mingo, 
Pottersburg, Catawba Station, Kennard and East Liberty.

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 4035 8335 4017 8337 4001 8356 4003 8384
      4035 8362
TIME...MOT...LOC 2132Z 216DEG 26KT 4011 8366 

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

Hatzos
327 
WWUS51 KILN 292148
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
548 PM EDT Tue Jun 29 2021

OHC021-091-097-159-292157-
/O.CAN.KILN.SV.W.0048.000000T0000Z-210629T2200Z/
Champaign OH-Logan OH-Madison OH-Union OH-
548 PM EDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CHAMPAIGN AND
SOUTHEASTERN LOGAN COUNTIES IN WEST CENTRAL OHIO...NORTHWESTERN
MADISON AND SOUTHWESTERN UNION COUNTIES IN CENTRAL OHIO IS
CANCELLED...
                
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 has been cancelled.  However gusty winds and
heavy rain 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 4035 8335 4017 8337 4001 8356 4003 8384
      4035 8362
TIME...MOT...LOC 2146Z 216DEG 26KT 4020 8357 

$$

Hatzos

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 2:02 PM EDTSpecial Weather StatementILNUnion28 min
Jun 29, 2:28 PM EDTSpecial Weather StatementILNDelaware32 min
Jun 29, 4:03 PM EDTSpecial Weather StatementILNDelaware27 min
Jun 29, 4:06 PM EDTSevere Thunderstorm WarningILNDelaware39 min
Jun 29, 4:20 PM EDTAreal Flood AdvisoryILNDelaware3 hr
Jun 29, 4:30 PM EDTSevere Thunderstorm WarningILNClark, Greene45 min
Jun 29, 4:43 PM EDTSpecial Weather StatementILNUnion32 min
Jun 29, 4:44 PM EDTSpecial Weather StatementILNFayette31 min
Jun 29, 5:21 PM EDTAreal Flood AdvisoryILNChampaign, Delaware, Logan, Union3 hr
Jun 29, 5:47 PM EDTSpecial Weather StatementILNChampaign, Union28 min
Jun 29, 5:55 PM EDTSpecial Weather StatementILNWarren35 min
Jun 29, 5:57 PM EDTSpecial Weather StatementILNFayette33 min
Jun 29, 6:14 PM EDTSpecial Weather StatementILNHamilton31 min
Jun 29, 6:31 PM EDTSevere Thunderstorm WarningILNHamilton44 min
Jun 29, 6:38 PM EDTAreal Flood AdvisoryILNClinton, Fayette3 hr
Jun 29, 6:53 PM EDTAreal Flood AdvisoryILNHamilton3 hr
Jun 29, 6:54 PM EDTSpecial Weather StatementILNFranklin36 min
Jun 29, 7:00 PM EDTSpecial Weather StatementILNWarren30 min
Jun 29, 7:08 PM EDTSevere Thunderstorm WarningILNButler, Clermont, Hamilton, Warren52 min
Jun 29, 7:14 PM EDTSpecial Weather StatementILNClinton31 min
Jun 29, 7:20 PM EDTSpecial Weather StatementILNHamilton25 min
Jun 29, 7:33 PM EDTAreal Flood AdvisoryILNButler, Warren2 hr
Jun 29, 7:39 PM EDTSpecial Weather StatementILNMontgomery36 min
Jun 29, 7:40 PM EDTSpecial Weather StatementILNClinton35 min
Jun 29, 7:55 PM EDTAreal Flood AdvisoryILNClinton106 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.