Alert archive / Ohio / Freeze Warnings in 2020

Freeze Warning 3, NWS Wilmington, OH

April 13, 202023 counties in Ohio; 4 counties in Indiana

NWS Wilmington, OH issued this freeze warning at Apr 13, 2020, 3:44 PM EDT for 23 counties in Ohio; 4 counties in Indiana. It took effect at Apr 14, 2020, 12:00 AM EDT. It was in force for 9 hr. 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 13, 2020, 3:44 PM EDT (19:44 UTC)
In effect from
Apr 14, 2020, 12:00 AM EDT
Expired
Apr 14, 2020, 9:00 AM EDT
In force
9 hr
Issued by
NWS Wilmington, OH
All 27 counties

Fayette County, IN, Franklin County, IN, Union County, IN, Wayne County, IN, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hardin County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Preble County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 58 km from the middle of the area, began a volume at 19:42 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

Pittsburgh, PA (KPIT), launched 12:00Z, 7.7 hours before the alert went out and 332 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, Pittsburgh, PA at 12:00Z on 2020-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Pittsburgh, PA at 12:00Z on 2020-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 360 square meters per square second.1939587897117Sfc1 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
13 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
360 m²/s²
0-3 km storm-relative helicity
488 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 freeze 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 freeze warning went out at Apr 13, 3:36 PM EDT, 8 minutes earlier.

Area forecast discussion, Apr 13, 3:36 PM EDT, 8 minutes before
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Hazardous weather outlook, Apr 13, 4:25 AM EDT, 11 hours 19 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington OH
425 AM EDT Mon Apr 13 2020

INZ066-073>075-080-KYZ089>100-OHZ063>065-070>074-077>082-088-140900-
Franklin IN-Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-
Kenton-Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-
Fayette OH-Pickaway-Fairfield-Butler-Warren-Clinton-Ross-Hocking-
Hamilton-Clermont-Brown-Highland-Adams-Pike-Scioto-
425 AM EDT Mon Apr 13 2020

...WIND 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.

   Wind Advisory.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Much below normal temperatures are expected through the week. This
will result in several chances for frost or freezing temperatures.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

INZ050-058-059-OHZ026-034-035-042>046-051>056-060>062-140900-
Wayne-Fayette IN-Union IN-Hardin-Mercer-Auglaize-Darke-Shelby-Logan-
Union OH-Delaware-Miami-Champaign-Clark-Madison-Franklin OH-Licking-
Preble-Montgomery-Greene-
425 AM EDT Mon Apr 13 2020

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

This Hazardous Weather Outlook is for East Central Indiana, Central
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.

   Wind Advisory.

Temperatures will fall into the low to mid 30s tonight, which could
result in frost and/or freeze conditions.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Much below normal temperatures are expected through the week. This
will result in several chances for frost and/or freezing
temperatures.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Apr 13, 11:38 AM EDT, 4 hours 6 minutes before
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Local storm report, Apr 13, 11:39 AM EDT, 4 hours 5 minutes before
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Local storm report, Apr 13, 11:48 AM EDT, 3 hours 56 minutes before
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Local storm report, Apr 13, 11:51 AM EDT, 3 hours 53 minutes before
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Local storm report, Apr 13, 1:51 PM EDT, 1 hour 53 minutes before
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Local storm report, Apr 13, 3:13 PM EDT, 31 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 7:45 AM EDTSpecial Weather StatementILNScioto30 min
Apr 13, 7:52 AM EDTSevere Thunderstorm WarningILNScioto23 min
Apr 13, 7:20 AM EDTSpecial Weather StatementILNLewis25 min

Nearby

Freeze Warnings in Ohio, 2020Freeze Warnings in Indiana, 2020Every freeze 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.