Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 46, NWS Wilmington, OH

June 29, 2021Delaware County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 29, 2021, 4:06 PM EDT for Delaware County, Ohio. It was in force for 39 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, 4:06 PM EDT (20:06 UTC)
Expired: Jun 29, 2021, 4:45 PM EDT
In force: 39 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Delaware County, OH

The radar

The Cincinnati radar (KILN), 129 km from the middle of the area, began a volume at 20:10 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, 8.1 hours before the alert went out and 127 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: 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.

385 
WUUS51 KILN 292006
SVRILN
OHC041-292045-
/O.NEW.KILN.SV.W.0046.210629T2006Z-210629T2045Z/

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

The National Weather Service in Wilmington has issued a

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

* Until 445 PM EDT.

* At 406 PM EDT, a severe thunderstorm was located near Delaware,
  moving northeast at 10 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Delaware, Ashley, Interstate 71 at US Route 36/State Route 37,
  Kilbourne, Leonardsburg and Olive Green.

This includes I-71 in Ohio between mile markers 130 and 138.
 
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 4043 8302 4042 8302 4042 8301 4041 8293
      4036 8293 4036 8292 4035 8276 4034 8275
      4031 8275 4023 8301 4029 8310 4043 8304
TIME...MOT...LOC 2006Z 223DEG 7KT 4029 8302 

HAIL...0.75IN
WIND...60MPH
 
$$

Campbell

3 follow-up statements

516 
WWUS51 KILN 292022
SVSILN

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

OHC041-292045-
/O.CON.KILN.SV.W.0046.000000T0000Z-210629T2045Z/
Delaware OH-
422 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR CENTRAL DELAWARE COUNTY...

At 421 PM EDT, a severe thunderstorm was located near Delaware,
moving northeast at 10 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Delaware, Ashley, Interstate 71 at US Route 36/State Route 37,
Kilbourne, Leonardsburg and Olive Green.

This includes I-71 in Ohio between mile markers 130 and 138.
 
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 4043 8302 4042 8302 4042 8301 4041 8293
      4036 8293 4036 8292 4035 8276 4034 8275
      4031 8275 4023 8301 4029 8310 4043 8304
TIME...MOT...LOC 2021Z 223DEG 7KT 4031 8299 

HAIL...0.75IN
WIND...60MPH
 
$$

Campbell

574 
WWUS51 KILN 292031
SVSILN

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

OHC041-292045-
/O.CON.KILN.SV.W.0046.000000T0000Z-210629T2045Z/
Delaware OH-
431 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHEASTERN DELAWARE COUNTY...

At 431 PM EDT, a severe thunderstorm was located near Ashley, moving
northeast at 10 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Ashley, Interstate 71 at US Route 36/State Route 37, Kilbourne,
Leonardsburg and Olive Green.

This includes I-71 in Ohio between mile markers 130 and 138.
 
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 4039 8302 4042 8299 4041 8293 4036 8293
      4036 8292 4035 8276 4034 8275 4031 8275
      4025 8294 4032 8306
TIME...MOT...LOC 2031Z 223DEG 7KT 4032 8297 

HAIL...0.75IN
WIND...60MPH
 
$$

Campbell

791 
WWUS51 KILN 292037
SVSILN

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

OHC041-292046-
/O.EXP.KILN.SV.W.0046.000000T0000Z-210629T2045Z/
Delaware OH-
437 PM EDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DELAWARE COUNTY
WILL EXPIRE AT 445 PM EDT...
                
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.

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 4039 8302 4042 8299 4041 8293 4036 8293
      4036 8292 4035 8276 4034 8275 4031 8275
      4025 8294 4032 8306
TIME...MOT...LOC 2036Z 223DEG 7KT 4033 8296 

$$

Campbell

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 2:02 PM EDT	Special Weather Statement	ILN	Union	28 min
Jun 29, 2:28 PM EDT	Special Weather Statement	ILN	Delaware	32 min
Jun 29, 4:03 PM EDT	Special Weather Statement	ILN	Delaware	27 min
Jun 29, 4:20 PM EDT	Areal Flood Advisory	ILN	Delaware	3 hr
Jun 29, 4:30 PM EDT	Severe Thunderstorm Warning	ILN	Clark, Greene	45 min
Jun 29, 4:43 PM EDT	Special Weather Statement	ILN	Union	32 min
Jun 29, 4:44 PM EDT	Special Weather Statement	ILN	Fayette	31 min
Jun 29, 5:12 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark, Logan, Madison, Union	36 min
Jun 29, 5:21 PM EDT	Areal Flood Advisory	ILN	Champaign, Delaware, Logan, Union	3 hr
Jun 29, 5:47 PM EDT	Special Weather Statement	ILN	Champaign, Union	28 min
Jun 29, 5:55 PM EDT	Special Weather Statement	ILN	Warren	35 min
Jun 29, 5:57 PM EDT	Special Weather Statement	ILN	Fayette	33 min
Jun 29, 6:14 PM EDT	Special Weather Statement	ILN	Hamilton	31 min
Jun 29, 6:31 PM EDT	Severe Thunderstorm Warning	ILN	Hamilton	44 min
Jun 29, 6:38 PM EDT	Areal Flood Advisory	ILN	Clinton, Fayette	3 hr
Jun 29, 6:53 PM EDT	Areal Flood Advisory	ILN	Hamilton	3 hr
Jun 29, 6:54 PM EDT	Special Weather Statement	ILN	Franklin	36 min
Jun 29, 7:00 PM EDT	Special Weather Statement	ILN	Warren	30 min
Jun 29, 7:08 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Clermont, Hamilton, Warren	52 min
Jun 29, 7:14 PM EDT	Special Weather Statement	ILN	Clinton	31 min
Jun 29, 7:20 PM EDT	Special Weather Statement	ILN	Hamilton	25 min
Jun 29, 7:33 PM EDT	Areal Flood Advisory	ILN	Butler, Warren	2 hr
Jun 29, 7:39 PM EDT	Special Weather Statement	ILN	Montgomery	36 min
Jun 29, 7:40 PM EDT	Special Weather Statement	ILN	Clinton	35 min
Jun 29, 7:55 PM EDT	Areal Flood Advisory	ILN	Clinton	106 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.