Alert archive / Kentucky / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 121, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 20, 2018, 7:10 PM EDT for Carroll County, Gallatin County, Kentucky; Switzerland County, Indiana. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 20, 2018, 7:10 PM EDT (23:10 UTC)
- Expired
- Jul 20, 2018, 7:45 PM EDT
- In force
- 35 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Switzerland County, IN, Carroll County, KY, Gallatin County, KY
The radar
The Louisville radar (KLVX), 119 km from the middle of the area, began a volume at 23:10 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 20, 1:37 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 11.2 hours before the alert went out and 324 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
- 918 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.7
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 20, 6:36 PM EDT, 34 minutes earlier.
Area forecast discussion, Jul 20, 6:36 PM EDT, 34 minutes before
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Hazardous Weather Outlook National Weather Service Wilmington OH 425 PM EDT Fri Jul 20 2018 INZ050-058-059-066-OHZ026-034-035-042>045-051>054-060>063-070>072- 080-211100- Wayne-Fayette IN-Union IN-Franklin IN-Hardin-Mercer-Auglaize-Darke- Shelby-Logan-Union OH-Miami-Champaign-Clark-Madison-Preble- Montgomery-Greene-Fayette OH-Butler-Warren-Clinton-Highland- 425 PM EDT Fri Jul 20 2018 This Hazardous Weather Outlook is for East Central Indiana, Southeast Indiana, Central Ohio, South Central Ohio, Southwest Ohio and West Central Ohio. .DAY ONE...Tonight. Occasional thunderstorms will continue into tonight. Some of the storms may become severe through this evening. The main threat will be damaging wind. However, the threat for large hail and possibly a tornado will also persist into this evening. Torrential rain is also possible. While widespread flash flooding is not likely, where thunderstorms track repeatedly over the same area, there will also be a flash flood threat. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to relay severe weather reports to the National Weather Service. INZ073>075-080-KYZ089>100-OHZ077>079-081-211100- Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton- Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-Hamilton- Clermont-Brown-Adams- 425 PM EDT Fri Jul 20 2018 ...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... This Hazardous Weather Outlook is for Southeast Indiana, Northeast Kentucky, Northern Kentucky, South Central Ohio and Southwest Ohio. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flash Flood Watch. Occasional thunderstorms will continue into tonight. Some of the storms may become severe through this evening. The main threat will be damaging wind. However, the threat for large hail and possibly a tornado will also persist into this evening. Torrential rain is also possible with the storms and this could result in some flash flooding. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to relay severe weather reports to the National Weather Service. OHZ088-211100- Scioto- 425 PM EDT Fri Jul 20 2018 ...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... This Hazardous Weather Outlook is for South Central Ohio. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flash Flood Watch. Occasional thunderstorms will continue into tonight. Some of the storms may become severe through this evening. The main threat will be damaging wind. Torrential rain is also possible with the storms and this could result in some flash flooding. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to relay severe weather reports to the National Weather Service. OHZ046-055-056-064-065-073-074-082-211100- Delaware-Franklin OH-Licking-Pickaway-Fairfield-Ross-Hocking-Pike- 425 PM EDT Fri Jul 20 2018 This Hazardous Weather Outlook is for Central Ohio and South Central Ohio. .DAY ONE...Tonight. Occasional thunderstorms will continue into tonight. Some of the storms may become severe through this evening. The main threat will be damaging wind. Torrential rain is also possible. While widespread flash flooding is not likely, where thunderstorms track repeatedly over the same area, there will also be a flash flood threat. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to relay severe weather reports to the National Weather Service.
In the hours before
Local storm report, Jul 20, 6:29 PM EDT, 41 minutes before
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</html>The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 7:37 AM EDT | Special Weather Statement | ILN | Brown | 23 min |
| Jul 20, 7:57 AM EDT | Special Weather Statement | ILN | Brown | 33 min |
| Jul 20, 11:21 AM EDT | Special Weather Statement | ILN | Preble | 24 min |
| Jul 20, 11:36 AM EDT | Special Weather Statement | ILN | Mercer | 24 min |
| Jul 20, 11:53 AM EDT | Special Weather Statement | ILN | Darke | 37 min |
| Jul 20, 12:02 PM EDT | Special Weather Statement | ILN | Montgomery | 43 min |
| Jul 20, 12:49 PM EDT | Special Weather Statement | ILN | Darke, Shelby | 26 min |
| Jul 20, 1:38 PM EDT | Special Weather Statement | ILN | Preble | 37 min |
| Jul 20, 2:01 PM EDT | Special Weather Statement | ILN | Montgomery, Preble | 44 min |
| Jul 20, 2:32 PM EDT | Areal Flood Advisory | ILN | Hamilton | 118 min |
| Jul 20, 2:36 PM EDT | Severe Thunderstorm Warning | ILN | Hamilton | 39 min |
| Jul 20, 3:15 PM EDT | Severe Thunderstorm Warning | ILN | Brown, Clermont | 30 min |
| Jul 20, 3:56 PM EDT | Areal Flood Advisory | ILN | Brown, Clermont | 99 min |
| Jul 20, 3:58 PM EDT | Flash Flood Watch | ILN | Adams, Brown, Clermont, Hamilton, Scioto | 5 hr |
| Jul 20, 4:32 PM EDT | Special Weather Statement | ILN | Pike, Scioto | 43 min |
| Jul 20, 6:27 AM EDT | Special Weather Statement | ILN | Owen | 33 min |
| Jul 20, 6:54 AM EDT | Special Weather Statement | ILN | Owen | 36 min |
| Jul 20, 8:43 AM EDT | Special Weather Statement | ILN | Owen | 32 min |
| Jul 20, 8:58 AM EDT | Severe Thunderstorm Warning | ILN | Owen | 20 min |
| Jul 20, 9:51 AM EDT | Areal Flood Advisory | ILN | Owen | 100 min |
| Jul 20, 10:31 AM EDT | Special Weather Statement | ILN | Gallatin, Kenton | 29 min |
| Jul 20, 11:09 AM EDT | Special Weather Statement | ILN | Campbell, Kenton | 36 min |
| Jul 20, 2:27 PM EDT | Tornado Warning | ILN | Carroll | 33 min |
| Jul 20, 2:49 PM EDT | Severe Thunderstorm Warning | ILN | Boone, Campbell, Carroll, Gallatin, Kenton | 25 min |
| Jul 20, 3:17 PM EDT | Areal Flood Advisory | ILN | Boone, Campbell, Carroll, Gallatin, Grant, Kenton and 2 more | 113 min |
| Jul 20, 3:34 PM EDT | Severe Thunderstorm Warning | ILN | Grant, Owen, Pendleton | 18 min |
| Jul 20, 4:12 PM EDT | Special Weather Statement | ILN | Gallatin | 33 min |
| Jul 20, 6:59 PM EDT | Special Weather Statement | ILN | Gallatin | 31 min |
| Jul 20, 7:23 PM EDT | Special Weather Statement | ILN | Gallatin | 37 min |
| Jul 20, 7:38 PM EDT | Special Weather Statement | ILN | Gallatin, Grant, Owen | 37 min |
| Jul 20, 10:51 AM EDT | Special Weather Statement | ILN | Fayette | 24 min |
| Jul 20, 1:12 PM EDT | Special Weather Statement | ILN | Dearborn, Ripley | 63 min |
| Jul 20, 1:24 PM EDT | Severe Thunderstorm Warning | ILN | Dearborn, Ripley | 51 min |
| Jul 20, 1:47 PM EDT | Areal Flood Advisory | ILN | Dearborn, Ripley | 2 hr |
| Jul 20, 2:10 PM EDT | Severe Thunderstorm Warning | ILN | Dearborn, Ohio, Ripley, Switzerland | 50 min |
| Jul 20, 2:11 PM EDT | Flash Flood Warning | ILN | Dearborn, Ripley | 3 hr |
| Jul 20, 4:37 PM EDT | Special Weather Statement | ILN | Ohio, Switzerland | 23 min |
| Jul 20, 5:17 PM EDT | Special Weather Statement | ILN | Ripley | 28 min |
| Jul 20, 5:25 PM EDT | Severe Thunderstorm Warning | ILN | Ripley | 35 min |
| Jul 20, 5:52 PM EDT | Flash Flood Warning | ILN | Ripley | 113 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2018Severe Thunderstorm Warnings in Indiana, 2018Every severe thunderstorm warning in 2018
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.