Alert archive / Ohio / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 74, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 29, 2021, 4:43 PM EDT for 4 counties in Ohio. It was in force for 47 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, 4:43 PM EDT (20:43 UTC)
- Expired
- Jul 29, 2021, 5:30 PM EDT
- In force
- 47 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Fayette County, OH, Franklin County, OH, Madison County, OH, Pickaway County, OH
The radar
The Cincinnati radar (KILN), 58 km from the middle of the area, began a volume at 20:44 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, 4:59 PM EDT | TSTM WND DMG | Mount Sterling, OH | MULTIPLE REPORTS OF TREES AND POWER LINES REPORTED DOWN. TIME ESTIMATED FROM RADAR. |
| Jul 29, 5:17 PM EDT | TSTM WND DMG | 2 Ene Bloomingburg, OH | MULTIPLE TREES DOWN ON US-62N. TIME EST 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.
| 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, 8.7 hours before the alert went out and 56 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.
970
WUUS51 KILN 292043
SVRILN
OHC047-049-097-129-292130-
/O.NEW.KILN.SV.W.0074.210729T2043Z-210729T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
443 PM EDT Thu Jul 29 2021
The National Weather Service in Wilmington has issued a
* Severe Thunderstorm Warning for...
Southwestern Franklin County in central Ohio...
Northeastern Fayette County in central Ohio...
Northwestern Pickaway County in central Ohio...
Southeastern Madison County in central Ohio...
* Until 530 PM EDT.
* At 442 PM EDT, a severe thunderstorm was located 7 miles southeast
of London, moving southeast 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...
Mount Sterling, Williamsport, Harrisburg, Newport, Deer Creek Lake,
Chenoweth, Madison Mills, Derby, Big Plain, Pancoastburg and
Wrightsville.
This includes I-71 in Ohio between mile markers 78 and 91.
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 3958 8314 3961 8337 3984 8348 3988 8328
3978 8312
TIME...MOT...LOC 2042Z 325DEG 19KT 3980 8337
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
Hatzos3 follow-up statements
205
WWUS51 KILN 292053
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
453 PM EDT Thu Jul 29 2021
OHC049-292103-
/O.CAN.KILN.SV.W.0074.000000T0000Z-210729T2130Z/
Franklin OH-
453 PM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN FRANKLIN COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central Ohio.
LAT...LON 3958 8314 3961 8337 3982 8344 3982 8328
3978 8312
TIME...MOT...LOC 2053Z 327DEG 21KT 3974 8332
$$
OHC047-097-129-292130-
/O.CON.KILN.SV.W.0074.000000T0000Z-210729T2130Z/
Fayette OH-Pickaway OH-Madison OH-
453 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHEASTERN FAYETTE...NORTHWESTERN PICKAWAY AND SOUTHEASTERN
MADISON COUNTIES...
At 453 PM EDT, a severe thunderstorm was located near Mount Sterling,
moving southeast at 25 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Mount Sterling, Williamsport, Deer Creek Lake, Chenoweth, Madison
Mills, Derby and Pancoastburg.
This includes I-71 in Ohio between mile markers 79 and 90.
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 3958 8314 3961 8337 3982 8344 3982 8328
3978 8312
TIME...MOT...LOC 2053Z 327DEG 21KT 3974 8332
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
$$
Hatzos848
WWUS51 KILN 292108
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
508 PM EDT Thu Jul 29 2021
OHC047-097-129-292130-
/O.CON.KILN.SV.W.0074.000000T0000Z-210729T2130Z/
Fayette OH-Pickaway OH-Madison OH-
508 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHEASTERN FAYETTE...WEST CENTRAL PICKAWAY AND SOUTHEASTERN
MADISON COUNTIES...
At 507 PM EDT, a severe thunderstorm was located near Mount Sterling,
moving southeast at 25 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Mount Sterling, Williamsport, Deer Creek Lake, Madison Mills and
Pancoastburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.
&&
LAT...LON 3958 8314 3961 8332 3972 8337 3975 8329
3973 8313
TIME...MOT...LOC 2107Z 328DEG 23KT 3965 8325
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
$$
Hatzos449
WWUS51 KILN 292122 RRA
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
522 PM EDT Thu Jul 29 2021
OHC047-097-129-292132-
/O.EXP.KILN.SV.W.0074.000000T0000Z-210729T2130Z/
Fayette OH-Pickaway OH-Madison OH-
522 PM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FAYETTE...WEST
CENTRAL PICKAWAY AND SOUTHEASTERN MADISON COUNTIES WILL EXPIRE AT 530
PM EDT...
An additional severe thunderstorm warning remains in effect for
portions of Fayette and Pickaway Counties until 545 PM, and a
tornado warning is in effect for southwestern Pickaway County until
545 PM.
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 3958 8314 3961 8332 3972 8337 3975 8329
3973 8313
TIME...MOT...LOC 2122Z 325DEG 19KT 3959 8320
$$
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, 3:43 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Licking, Madison, Union | 24 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, 4:48 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.