Alert archive / Ohio / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 33, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Apr 8, 2020, 4:08 AM EDT for 4 counties in Ohio. It was in force for 52 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
- Apr 8, 2020, 4:08 AM EDT (08:08 UTC)
- Expired
- Apr 8, 2020, 5:00 AM EDT
- In force
- 52 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clark County, OH, Fayette County, OH, Greene County, OH, Madison County, OH
The radar
The Cincinnati radar (KILN), 42 km from the middle of the area, began a volume at 08:08 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 |
|---|---|---|---|
| Apr 7, 11:40 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.1 hours before the alert went out and 40 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
- 773 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1493 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.5
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 Apr 8, 1:50 AM EDT, 2 hours 18 minutes earlier.
Area forecast discussion, Apr 8, 1:50 AM EDT, 2 hours 18 minutes before
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</html>Hazardous weather outlook, Apr 7, 3:33 PM EDT, 12 hours 35 minutes before
Hazardous Weather Outlook National Weather Service Wilmington OH 333 PM EDT Tue Apr 7 2020 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-081945- Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Ohio- Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant- Pendleton-Bracken-Robertson-Mason-Lewis-Hardin-Mercer-Auglaize-Darke- Shelby-Logan-Union OH-Delaware-Miami-Champaign-Clark-Madison- Franklin OH-Licking-Preble-Montgomery-Greene-Fayette OH-Pickaway- Fairfield-Butler-Warren-Clinton-Ross-Hocking-Hamilton-Clermont-Brown- Highland-Adams-Pike-Scioto- 333 PM EDT Tue Apr 7 2020 This Hazardous Weather Outlook is for East Central Indiana, Southeast Indiana, Northeast Kentucky, Northern Kentucky, Central Ohio, South Central Ohio, Southwest Ohio and West Central Ohio. .DAY ONE...This afternoon and tonight. Thunderstorms are expected to cross the region late this evening and overnight. Some strong to severe storms are possible, with large hail and damaging wind being the primary threats. A tornado cannot be ruled out. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. There is a low probability for widespread hazardous weather. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed, while following all local, state and CDC guidelines.
In the hours before
Local storm report, Apr 8, 3:34 AM EDT, 34 minutes before
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</html>Local storm report, Apr 8, 3:41 AM EDT, 27 minutes before
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</html>Local storm report, Apr 8, 3:47 AM EDT, 21 minutes before
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</html>Special weather statement, Apr 8, 3:49 AM EDT, 19 minutes before
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</html>Local storm report, Apr 8, 3:54 AM EDT, 14 minutes before
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</html>Local storm report, Apr 8, 4:03 AM EDT, 5 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 |
|---|---|---|---|---|
| Apr 8, 12:44 AM EDT | Special Weather Statement | ILN | Auglaize, Mercer | 31 min |
| Apr 8, 1:10 AM EDT | Special Weather Statement | ILN | Auglaize, Mercer | 35 min |
| Apr 8, 1:20 AM EDT | Special Weather Statement | ILN | Mercer | 25 min |
| Apr 8, 1:24 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Hardin, Logan, Shelby | 51 min |
| Apr 8, 1:27 AM EDT | Areal Flood Advisory | ILN | Auglaize, Mercer | 3 hr |
| Apr 8, 1:44 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Delaware, Logan, Union | 27 min |
| Apr 8, 1:47 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Mercer, Miami, Shelby | 43 min |
| Apr 8, 2:06 AM EDT | Special Weather Statement | ILN | Delaware | 24 min |
| Apr 8, 2:18 AM EDT | Special Weather Statement | ILN | Darke, Miami | 27 min |
| Apr 8, 2:21 AM EDT | Special Weather Statement | ILN | Franklin, Madison | 24 min |
| Apr 8, 2:38 AM EDT | Special Weather Statement | ILN | Fairfield, Franklin, Madison | 37 min |
| Apr 8, 2:40 AM EDT | Special Weather Statement | ILN | Clark, Darke, Miami | 35 min |
| Apr 8, 2:45 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Darke, Greene, Miami, Montgomery | 45 min |
| Apr 8, 3:05 AM EDT | Special Weather Statement | ILN | Fairfield, Hocking, Pickaway | 25 min |
| Apr 8, 3:26 AM EDT | Severe Thunderstorm Warning | ILN | Clark, Fayette, Greene, Madison, Miami, Montgomery | 49 min |
| Apr 8, 3:27 AM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Hocking, Pickaway, Ross | 23 min |
| Apr 8, 3:49 AM EDT | Special Weather Statement | ILN | Pickaway | 26 min |
| Apr 8, 4:03 AM EDT | Areal Flood Advisory | ILN | Clark, Greene, Madison, Miami, Montgomery | 3 hr |
| Apr 8, 4:36 AM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Hocking, Pickaway, Ross | 39 min |
| Apr 8, 5:05 AM EDT | Special Weather Statement | ILN | Fayette, Pickaway, Pike, Ross | 25 min |
| Apr 8, 1:15 PM EDT | Special Weather Statement | ILN | Scioto | 30 min |
| Apr 8, 1:28 PM EDT | Special Weather Statement | ILN | Adams | 32 min |
| Apr 8, 12:44 PM EDT | Special Weather Statement | ILN | Mason | 31 min |
| Apr 8, 12:50 PM EDT | Special Weather Statement | ILN | Gallatin | 25 min |
| Apr 8, 12:58 PM EDT | Severe Thunderstorm Warning | ILN | Carroll, Gallatin, Grant, Owen | 47 min |
| Apr 8, 1:08 PM EDT | Severe Thunderstorm Warning | ILN | Bracken, Grant, Pendleton, Robertson | 27 min |
| Apr 8, 1:18 PM EDT | Special Weather Statement | ILN | Mason | 27 min |
| Apr 8, 1:45 PM EDT | Severe Thunderstorm Warning | ILN | Grant, Owen | 32 min |
| Apr 8, 1:48 PM EDT | Special Weather Statement | ILN | Lewis | 27 min |
| Apr 8, 1:56 PM EDT | Special Weather Statement | ILN | Lewis | 34 min |
| Apr 8, 2:18 PM EDT | Special Weather Statement | ILN | Lewis | 12 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 2020Every severe thunderstorm warning in 2020
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.