Alert archive / Ohio / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 70, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 29, 2021, 3:43 PM EDT for 5 counties in Ohio. It was in force for 24 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
- Jul 29, 2021, 3:43 PM EDT (19:43 UTC)
- Expired
- Jul 29, 2021, 4:07 PM EDT
- In force
- 24 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Delaware County, OH, Franklin County, OH, Licking County, OH, Madison County, OH, Union County, OH
The radar
The Cincinnati radar (KILN), 110 km from the middle of the area, began a volume at 19:43 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 29, 3:44 PM EDT | TSTM WND DMG | 6 Ne Powell, OH | NUMEROUS TREES DOWNED NEAR THE INTERSECTION OF S OLD STATE ROAD AND HOLLENBACK ROAD. TIME ESTIMATED FROM RADAR. |
| Jul 29, 3:49 PM EDT | TSTM WND DMG | 2 Nw Dublin, OH | LARGE TREE LIMB DOWN |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 29, 3:13 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.7 hours before the alert went out and 108 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.
- Mixed-layer CAPE
- 1163 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 775 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted.
195
WUUS51 KILN 291943
SVRILN
OHC041-049-089-097-159-292030-
/O.NEW.KILN.SV.W.0070.210729T1943Z-210729T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
343 PM EDT Thu Jul 29 2021
The National Weather Service in Wilmington has issued a
* Severe Thunderstorm Warning for...
Northern Franklin County in central Ohio...
Southern Delaware County in central Ohio...
Northwestern Licking County in central Ohio...
Northeastern Madison County in central Ohio...
Southeastern Union County in central Ohio...
* Until 430 PM EDT.
* At 343 PM EDT, a severe thunderstorm was located over Powell,
moving east at 45 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...
Columbus, Dublin, Westerville, Reynoldsburg, Delaware, Upper
Arlington, Gahanna, Hilliard, Worthington, Pataskala, Powell,
Johnstown, Sunbury, Plain City, Minerva Park, New California,
Polaris, Easton, Summit Station and Whitehall.
This includes I-71 in Ohio between mile markers 111 and 132.
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 3995 8279 4008 8334 4032 8324 4027 8264
4011 8264
TIME...MOT...LOC 1943Z 277DEG 40KT 4016 8312
HAIL...1.00IN
WIND...60MPH
$$
Hatzos2 follow-up statements
598
WWUS51 KILN 291953
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
353 PM EDT Thu Jul 29 2021
OHC097-159-292003-
/O.CAN.KILN.SV.W.0070.000000T0000Z-210729T2030Z/
Madison OH-Union OH-
353 PM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MADISON AND
SOUTHEASTERN UNION COUNTIES IN CENTRAL OHIO IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central Ohio.
LAT...LON 3995 8279 4005 8321 4011 8321 4011 8317
4018 8317 4030 8304 4027 8264 4011 8264
TIME...MOT...LOC 1953Z 286DEG 31KT 4013 8308
$$
OHC041-049-089-292030-
/O.CON.KILN.SV.W.0070.000000T0000Z-210729T2030Z/
Franklin OH-Delaware OH-Licking OH-
353 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHERN FRANKLIN...SOUTHERN DELAWARE AND NORTHWESTERN LICKING
COUNTIES...
At 353 PM EDT, a severe thunderstorm was located over Powell, moving
east at 35 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...
Columbus, Dublin, Westerville, Reynoldsburg, Delaware, Upper
Arlington, Gahanna, Hilliard, Worthington, Pataskala, Powell,
Johnstown, Sunbury, Minerva Park, Polaris, Easton, Summit Station,
Whitehall, New Albany and Jersey.
This includes I-71 in Ohio between mile markers 111 and 132.
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 3995 8279 4005 8321 4011 8321 4011 8317
4018 8317 4030 8304 4027 8264 4011 8264
TIME...MOT...LOC 1953Z 286DEG 31KT 4013 8308
HAIL...1.00IN
WIND...60MPH
$$
Hatzos196
WWUS51 KILN 292007
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
407 PM EDT Thu Jul 29 2021
OHC041-049-089-292017-
/O.CAN.KILN.SV.W.0070.000000T0000Z-210729T2030Z/
Franklin OH-Delaware OH-Licking OH-
407 PM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN FRANKLIN...SOUTHERN
DELAWARE AND NORTHWESTERN LICKING COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
This storm may still produce small hail and gusty winds.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central Ohio.
Please report previous wind damage or hail to the National Weather
Service by going to our website at weather.gov/iln and submitting
your report via social media.
LAT...LON 3995 8279 4005 8321 4011 8321 4011 8317
4018 8317 4030 8304 4027 8264 4011 8264
TIME...MOT...LOC 2004Z 277DEG 40KT 4011 8287
$$
HatzosThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 6:30 AM EDT | Special Weather Statement | ILN | Auglaize, Mercer | 60 min |
| Jul 29, 7:19 AM EDT | Special Weather Statement | ILN | Darke | 41 min |
| Jul 29, 9:51 AM EDT | Special Weather Statement | ILN | Licking | 39 min |
| Jul 29, 2:29 PM EDT | Special Weather Statement | ILN | Franklin | 31 min |
| Jul 29, 2:49 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Fairfield, Franklin, Licking | 41 min |
| Jul 29, 3:13 PM EDT | Special Weather Statement | ILN | Licking | 17 min |
| Jul 29, 3:13 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Franklin, Pickaway | 47 min |
| Jul 29, 3:37 PM EDT | Special Weather Statement | ILN | Delaware | 23 min |
| Jul 29, 3:44 PM EDT | Special Weather Statement | ILN | Madison | 31 min |
| Jul 29, 3:50 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Franklin | 40 min |
| Jul 29, 3:57 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Madison | 48 min |
| Jul 29, 4:06 PM EDT | Areal Flood Advisory | ILN | Franklin | 114 min |
| Jul 29, 4:06 PM EDT | Special Weather Statement | ILN | Licking | 24 min |
| Jul 29, 4:07 PM EDT | Special Weather Statement | ILN | Franklin | 23 min |
| Jul 29, 4:24 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Hocking | 37 min |
| Jul 29, 4:35 PM EDT | Special Weather Statement | ILN | Clark, Madison | 25 min |
| Jul 29, 4:43 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Franklin, Madison, Pickaway | 47 min |
| Jul 29, 4:48 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Fayette, Madison | 42 min |
| Jul 29, 5:00 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Pickaway, Ross | 45 min |
| Jul 29, 5:01 PM EDT | Areal Flood Advisory | ILN | Clark, Franklin, Madison, Pickaway | 85 min |
| Jul 29, 5:20 PM EDT | Tornado Warning | ILN | Pickaway, Ross | 25 min |
| Jul 29, 5:24 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Highland, Ross | 66 min |
| Jul 29, 5:44 PM EDT | Special Weather Statement | ILN | Greene | 31 min |
| Jul 29, 5:58 PM EDT | Severe Thunderstorm Warning | ILN | Pike, Ross, Scioto | 62 min |
| Jul 29, 6:13 PM EDT | Severe Thunderstorm Warning | ILN | Clinton, Fayette, Greene | 47 min |
| Jul 29, 6:34 PM EDT | Areal Flood Advisory | ILN | Fayette, Greene, Highland, Pickaway, Pike, Ross | 3 hr |
| Jul 29, 6:51 PM EDT | Special Weather Statement | ILN | Fayette, Greene | 24 min |
| Jul 29, 6:55 PM EDT | Special Weather Statement | ILN | Pike, Scioto | 35 min |
| Jul 29, 7:02 PM EDT | Special Weather Statement | ILN | Clinton | 28 min |
| Jul 29, 7:25 PM EDT | Special Weather Statement | ILN | Pike, Scioto | 35 min |
| Jul 29, 7:26 PM EDT | Special Weather Statement | ILN | Highland | 34 min |
| Jul 29, 7:45 PM EDT | Areal Flood Advisory | ILN | Adams, Clinton, Fayette, Greene, Highland, Pike and 1 more | 4 hr |
| Jul 29, 7:52 PM EDT | Special Weather Statement | ILN | Adams, Highland | 38 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.