Alert archive / Ohio / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 100, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Aug 12, 2021, 11:51 PM EDT for Delaware County, Ohio. It was in force for 24 min. 1 report 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 12, 2021, 11:51 PM EDT (03:51 UTC)
- Expired
- Aug 13, 2021, 12:15 AM EDT
- In force
- 24 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Delaware County, OH
The radar
The Cincinnati radar (KILN), 130 km from the middle of the area, began a volume at 03:50 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 |
|---|---|---|---|
| Aug 12, 11:58 PM EDT | TSTM WND DMG | 5 Ne Sunbury, OH | SEVERAL TREES DOWN. LIGHTNING STRUCK A HOUSE. 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 00:00Z, 3.9 hours before the alert went out and 128 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
- 2022 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1499 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.7
The text
As transmitted.
409
WUUS51 KILN 130351
SVRILN
OHC041-130415-
/O.NEW.KILN.SV.W.0100.210813T0351Z-210813T0415Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
1151 PM EDT Thu Aug 12 2021
The National Weather Service in Wilmington has issued a
* Severe Thunderstorm Warning for...
East central Delaware County in central Ohio...
* Until 1215 AM EDT.
* At 1151 PM EDT, a severe thunderstorm was located near Sunbury,
moving northeast at 25 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible.
* Locations impacted include...
Sunbury and Olive Green.
This includes I-71 in Ohio between mile markers 132 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 4035 8275 4028 8275 4026 8276 4022 8285
4031 8297 4036 8292
TIME...MOT...LOC 0351Z 239DEG 21KT 4030 8288
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
$$
Franks3 follow-up statements
251
WWUS51 KILN 130403
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
1203 AM EDT Fri Aug 13 2021
OHC041-130415-
/O.CON.KILN.SV.W.0100.000000T0000Z-210813T0415Z/
Delaware OH-
1203 AM EDT Fri Aug 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR EAST CENTRAL DELAWARE COUNTY...
At 1203 AM EDT, a severe thunderstorm was located near Centerburg,
moving northeast at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Sunbury and Olive Green.
This includes I-71 in Ohio between mile markers 136 and 139.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.
&&
LAT...LON 4035 8275 4028 8275 4026 8276 4022 8285
4032 8290 4035 8288
TIME...MOT...LOC 0403Z 239DEG 21KT 4034 8280
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Novak450
WWUS51 KILN 130408
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
1208 AM EDT Fri Aug 13 2021
OHC041-130415-
/O.CON.KILN.SV.W.0100.000000T0000Z-210813T0415Z/
Delaware OH-
1208 AM EDT Fri Aug 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR EAST CENTRAL DELAWARE COUNTY...
At 1208 AM EDT, a severe thunderstorm was located near Sparta, moving
northeast at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Olive Green.
This includes I-71 in Ohio near mile marker 139.
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 8275 4028 8275 4026 8276 4028 8281
4033 8288 4035 8288
TIME...MOT...LOC 0408Z 239DEG 21KT 4036 8277
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Novak196
WWUS51 KILN 130415
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
1215 AM EDT Fri Aug 13 2021
OHC041-130425-
/O.EXP.KILN.SV.W.0100.000000T0000Z-210813T0415Z/
Delaware OH-
1215 AM EDT Fri Aug 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL DELAWARE COUNTY
HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire. However gusty
winds are still possible with this thunderstorm.
Please report previous wind damage or hail to the National Weather
Service by going to our website at weather.gov/iln and submitting
your report via social media.
LAT...LON 4035 8275 4028 8275 4026 8276 4028 8281
4033 8288 4035 8288
TIME...MOT...LOC 0415Z 239DEG 21KT 4038 8273
$$
NovakThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 8:05 PM EDT | Special Weather Statement | ILN | Clark | 25 min |
| Aug 12, 8:17 PM EDT | Special Weather Statement | ILN | Preble | 28 min |
| Aug 12, 8:20 PM EDT | Special Weather Statement | ILN | Delaware | 25 min |
| Aug 12, 8:26 PM EDT | Special Weather Statement | ILN | Butler | 34 min |
| Aug 12, 8:45 PM EDT | Special Weather Statement | ILN | Miami | 30 min |
| Aug 12, 9:04 PM EDT | Special Weather Statement | ILN | Clermont | 26 min |
| Aug 12, 10:24 PM EDT | Areal Flood Warning | ILN | Clark, Madison | 7 hr |
| Aug 12, 11:44 PM EDT | Special Weather Statement | ILN | Delaware | 16 min |
| Aug 13, 6:58 AM EDT | Special Weather Statement | ILN | Clark | 17 min |
| Aug 13, 8:34 AM EDT | Special Weather Statement | ILN | Licking | 41 min |
| Aug 13, 3:02 PM EDT | Special Weather Statement | ILN | Scioto | 43 min |
| Aug 13, 3:19 PM EDT | Severe Thunderstorm Warning | ILN | Pike, Scioto | 20 min |
| Aug 13, 3:26 PM EDT | Special Weather Statement | ILN | Pickaway | 34 min |
| Aug 13, 3:30 PM EDT | Special Weather Statement | ILN | Clermont, Fayette, Highland | 45 min |
| Aug 13, 3:54 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Highland, Pickaway, Pike, Ross | 51 min |
| Aug 13, 4:03 PM EDT | Severe Thunderstorm Warning | ILN | Pickaway | 27 min |
| Aug 13, 4:10 PM EDT | Special Weather Statement | ILN | Brown, Highland | 50 min |
| Aug 13, 4:15 PM EDT | Special Weather Statement | ILN | Hocking | 30 min |
| Aug 13, 4:18 PM EDT | Severe Thunderstorm Warning | ILN | Adams, Brown, Highland, Pike | 42 min |
| Aug 13, 4:26 PM EDT | Special Weather Statement | ILN | Pickaway | 34 min |
| Aug 13, 4:37 PM EDT | Special Weather Statement | ILN | Fairfield | 23 min |
| Aug 13, 6:39 PM EDT | Special Weather Statement | ILN | Mercer | 51 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.