Alert archive / Ohio / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 174, NWS Wilmington, OH

July 12, 2020Fairfield County, Franklin County, Licking County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 12, 2020, 5:13 PM EDT for Fairfield County, Franklin County, Licking County, Ohio. It was in force for 21 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 12, 2020, 5:13 PM EDT (21:13 UTC)
Expired
Jul 12, 2020, 5:34 PM EDT
In force
21 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Fairfield County, OH, Franklin County, OH, Licking County, OH

The radar

The Cincinnati radar (KILN), 111 km from the middle of the area, began a volume at 21:13 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.2 hours before the alert went out and 109 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2020-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2020-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
31 J/kg
Mixed-layer CIN
-159 J/kg
Mixed-layer LCL
1301 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 12, 3:50 PM EDT, 1 hour 23 minutes earlier.

Area forecast discussion, Jul 12, 3:50 PM EDT, 1 hour 23 minutes before
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Hazardous weather outlook, Jul 12, 12:04 PM EDT, 5 hours 9 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington OH
1204 PM EDT Sun Jul 12 2020

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-131615-
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-
1204 PM EDT Sun Jul 12 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.

Scattered showers and thunderstorms will develop this afternoon.
A few of the storms may become strong to severe. Damaging winds are
the primary threat, although isolated large hail is also possible.
Slow storm motions may allow torrential rainfall lingering in the
same area, producing localized and brief flooding.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jul 12, 3:56 PM EDT, 1 hour 17 minutes before
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Special weather statement, Jul 12, 4:13 PM EDT, 1 hour before
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Special weather statement, Jul 12, 4:30 PM EDT, 43 minutes before
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Special weather statement, Jul 12, 4:56 PM EDT, 17 minutes before
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Special weather statement, Jul 12, 4:58 PM EDT, 15 minutes before
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Special weather statement, Jul 12, 4:58 PM EDT, 15 minutes before
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The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 12, 1:48 PM EDTAreal Flood AdvisoryILNDarke3 hr
Jul 12, 2:24 PM EDTSpecial Weather StatementILNShelby51 min
Jul 12, 3:17 PM EDTSpecial Weather StatementILNShelby43 min
Jul 12, 3:19 PM EDTSpecial Weather StatementILNClinton41 min
Jul 12, 3:22 PM EDTSpecial Weather StatementILNMontgomery38 min
Jul 12, 3:35 PM EDTSpecial Weather StatementILNUnion40 min
Jul 12, 3:41 PM EDTSpecial Weather StatementILNGreene34 min
Jul 12, 3:46 PM EDTSevere Thunderstorm WarningILNClark, Greene25 min
Jul 12, 3:54 PM EDTAreal Flood AdvisoryILNGreene, Montgomery2 hr
Jul 12, 4:56 PM EDTSpecial Weather StatementILNClinton34 min
Jul 12, 4:58 PM EDTSpecial Weather StatementILNFairfield32 min
Jul 12, 5:11 PM EDTSevere Thunderstorm WarningILNClinton, Highland, Warren49 min
Jul 12, 5:32 PM EDTSpecial Weather StatementILNClermont28 min
Jul 12, 5:38 PM EDTSpecial Weather StatementILNLicking37 min
Jul 12, 6:23 PM EDTSpecial Weather StatementILNAdams37 min
Jul 12, 6:36 PM EDTSpecial Weather StatementILNHocking39 min
Jul 12, 6:41 PM EDTSpecial Weather StatementILNPike34 min
Jul 12, 7:03 PM EDTSpecial Weather StatementILNAdams27 min
Jul 12, 7:25 PM EDTSpecial Weather StatementILNAdams35 min
Jul 11, 8:04 PM EDTSpecial Weather StatementILNMason, Robertson26 min
Jul 11, 8:48 PM EDTSpecial Weather StatementILNOwen42 min
Jul 12, 2:16 AM EDTSpecial Weather StatementILNCarroll29 min
Jul 12, 5:35 PM EDTSpecial Weather StatementILNBoone25 min
Jul 12, 5:51 PM EDTSpecial Weather StatementILNBoone, Kenton24 min
Jul 12, 6:09 PM EDTSpecial Weather StatementILNCampbell, Kenton36 min
Jul 12, 6:29 PM EDTSpecial Weather StatementILNBracken, Pendleton31 min
Jul 12, 7:22 PM EDTSpecial Weather StatementILNGreenup38 min
Jul 12, 3:24 PM EDTSpecial Weather StatementILNWayne36 min
Jul 12, 3:49 PM EDTSpecial Weather StatementILNFayette, Union, Wayne26 min
Jul 12, 4:13 PM EDTSpecial Weather StatementILNFranklin, Union17 min
Jul 12, 4:30 PM EDTSpecial Weather StatementILNFranklin30 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.