Alert archive / Ohio / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 208, NWS Wilmington, OH

July 21, 2019Fairfield County, Franklin County, Pickaway County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 21, 2019, 2:48 PM EDT for Fairfield County, Franklin County, Pickaway County, Ohio. It was in force for 27 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 21, 2019, 2:48 PM EDT (18:48 UTC)
Expired
Jul 21, 2019, 3:15 PM EDT
In force
27 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, Pickaway County, OH

The radar

The Cincinnati radar (KILN), 90 km from the middle of the area, began a volume at 18:51 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, 6.8 hours before the alert went out and 88 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 2019-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 899 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 2019-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 square meters per square second.1939Sfc1 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
899 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1056 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
-21 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 21, 2:13 PM EDT, 35 minutes earlier.

Area forecast discussion, Jul 21, 2:13 PM EDT, 35 minutes before
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Hazardous weather outlook, Jul 21, 4:08 AM EDT, 10 hours 40 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington OH
408 AM EDT Sun Jul 21 2019

INZ050-058-059-066-073-074-OHZ026-034-035-042>046-051>056-060-062-
070-220815-
Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Hardin-Mercer-
Auglaize-Darke-Shelby-Logan-Union OH-Delaware-Miami-Champaign-Clark-
Madison-Franklin OH-Licking-Preble-Greene-Butler-
408 AM EDT Sun Jul 21 2019

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for East Central Indiana,
Southeast Indiana, Central Ohio, Southwest Ohio and West Central
Ohio.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

Scattered storms are expected to develop this afternoon through
tonight, with a few strong to severe storms possible during this
time. The main threat will be damaging winds. Additionally, some of
these storms could produce locally heavy rainfall, with isolated and
localized flooding possible.

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

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

OHZ061-220815-
Montgomery-
408 AM EDT Sun Jul 21 2019

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for West Central Ohio.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Excessive Heat Warning.

Scattered storms are expected to develop this afternoon through
tonight, with a few strong to severe storms possible during this
time. The main threat will be damaging winds. Additionally, some of
these storms could produce locally heavy rainfall, with isolated and
localized flooding possible.

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

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

INZ075-080-KYZ089>100-OHZ063>065-071>074-078>082-088-220815-
Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-
Pendleton-Bracken-Robertson-Mason-Lewis-Fayette OH-Pickaway-
Fairfield-Warren-Clinton-Ross-Hocking-Clermont-Brown-Highland-Adams-
Pike-Scioto-
408 AM EDT Sun Jul 21 2019

...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for Southeast Indiana, Northeast
Kentucky, Northern Kentucky, Central Ohio, South Central Ohio and
Southwest Ohio.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

Scattered storms are expected to develop this afternoon through
tonight, with a few strong to severe storms possible during this
time. The main threat will be damaging winds. Additionally, some of
these storms could produce locally heavy rainfall, with isolated and
localized flooding possible.

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

Additional scattered storms are expected Monday morning through
early evening, with a few strong to severe storms possible during the
afternoon. The main threat will be damaging winds. Some of these
storms could also produce locally heavy rainfall, with isolated and
localized flooding possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

OHZ077-220815-
Hamilton-
408 AM EDT Sun Jul 21 2019

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for Southwest Ohio.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Excessive Heat Warning.

Scattered storms are expected to develop this afternoon through
tonight, with a few strong to severe storms possible during this
time. The main threat will be damaging winds. Additionally, some of
these storms could produce locally heavy rainfall, with isolated and
localized flooding possible.

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

Additional scattered storms are expected Monday morning through
early evening, with a few strong to severe storms possible during the
afternoon. The main threat will be damaging winds. Some of these
storms could also produce locally heavy rainfall, with isolated and
localized flooding possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jul 21, 2:04 PM EDT, 44 minutes before
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Special weather statement, Jul 21, 2:08 PM EDT, 40 minutes before
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Special weather statement, Jul 21, 2:29 PM EDT, 19 minutes before
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Special weather statement, Jul 21, 2:37 PM EDT, 11 minutes before
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Local storm report, Jul 21, 2:44 PM EDT, 4 minutes before
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Local storm report, Jul 21, 2:47 PM EDT, 1 minute before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 12:24 PM EDTSevere Thunderstorm WarningILNBrown, Clermont36 min
Jul 21, 12:44 PM EDTSpecial Weather StatementILNBrown31 min
Jul 21, 12:48 PM EDTAreal Flood AdvisoryILNAdams, Brown, Clermont77 min
Jul 21, 1:05 PM EDTSevere Thunderstorm WarningILNHighland40 min
Jul 21, 1:27 PM EDTAreal Flood AdvisoryILNAdams, Highland, Pike, Ross90 min
Jul 21, 1:27 PM EDTSevere Thunderstorm WarningILNHighland18 min
Jul 21, 1:48 PM EDTSpecial Weather StatementILNPike27 min
Jul 21, 1:52 PM EDTSpecial Weather StatementILNFayette23 min
Jul 21, 2:08 PM EDTSpecial Weather StatementILNRoss37 min
Jul 21, 2:29 PM EDTSpecial Weather StatementILNRoss31 min
Jul 21, 2:36 PM EDTAreal Flood AdvisoryILNWarren22 min
Jul 21, 2:37 PM EDTSpecial Weather StatementILNFairfield38 min
Jul 21, 3:41 PM EDTSpecial Weather StatementILNFairfield19 min
Jul 21, 3:43 PM EDTSpecial Weather StatementILNLicking32 min
Jul 21, 5:40 PM EDTSpecial Weather StatementILNMiami35 min
Jul 21, 5:47 PM EDTSpecial Weather StatementILNButler28 min
Jul 21, 5:53 PM EDTSpecial Weather StatementILNMontgomery37 min
Jul 21, 5:58 PM EDTSpecial Weather StatementILNButler32 min
Jul 21, 6:08 PM EDTSevere Thunderstorm WarningILNMiami, Montgomery37 min
Jul 21, 6:13 PM EDTSevere Thunderstorm WarningILNButler, Montgomery, Preble33 min
Jul 21, 7:04 PM EDTSpecial Weather StatementILNAuglaize, Mercer26 min
Jul 21, 7:15 PM EDTSpecial Weather StatementILNLogan30 min
Jul 21, 11:48 AM EDTSpecial Weather StatementILNBracken, Mason, Robertson42 min
Jul 21, 3:19 PM EDTSpecial Weather StatementILNKenton26 min
Jul 21, 3:24 PM EDTSpecial Weather StatementILNOwen36 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2019Every severe thunderstorm warning in 2019

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.