Alert archive / Ohio / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 93, NWS Wilmington, OH

June 4, 2020Champaign County, Logan County, Union County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 4, 2020, 11:32 AM EDT for Champaign County, Logan County, Union County, Ohio. It was in force for 43 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
Jun 4, 2020, 11:32 AM EDT (15:32 UTC)
Expired
Jun 4, 2020, 12:15 PM EDT
In force
43 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Champaign County, OH, Logan County, OH, Union County, OH

The radar

The Cincinnati radar (KILN), 96 km from the middle of the area, began a volume at 15:31 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, 3.5 hours before the alert went out and 95 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 2020-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 208 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 2020-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
208 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1207 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Jun 4, 6:53 AM EDT, 4 hours 39 minutes earlier.

Area forecast discussion, Jun 4, 6:53 AM EDT, 4 hours 39 minutes before
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Hazardous weather outlook, Jun 4, 5:00 AM EDT, 6 hours 32 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington OH
500 AM EDT Thu Jun 4 2020

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-050900-
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-
500 AM EDT Thu Jun 4 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...Today and tonight.

Showers and thunderstorms will occur this afternoon into the evening.
A few of the storms could be strong to severe with damaging winds,
hail, and locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

More showers and thunderstorms are forecast for Friday. A few of the
storms could be strong to severe with damaging winds, hail, and
locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Jun 4, 7:58 AM EDT, 3 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
758 AM EDT THU JUN 4 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0940 PM     TSTM WND DMG     3 WSW MONROE            39.42N 84.41W
06/03/2020                   BUTLER             OH   PUBLIC

            5 TREES REPORTED DOWN AT TWO PROPERTIES. A CHILDRENS
            PLAYHOUSE WAS ALSO DAMAGED. TIME ESTIMATED FROM RADAR.

&&

HICKMAN
Local storm report, Jun 4, 8:22 AM EDT, 3 hours 10 minutes before
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Local storm report, Jun 4, 8:37 AM EDT, 2 hours 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
837 AM EDT THU JUN 4 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0907 PM     TSTM WND DMG     OXFORD                  39.51N 84.75W
06/03/2020                   BUTLER             OH   911 CALL CENTER

            TREES REPORTED DOWN.

&&

HICKMAN
Local storm report, Jun 4, 8:55 AM EDT, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
855 AM EDT THU JUN 4 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0942 PM     TSTM WND DMG     4 WSW LEBANON           39.42N 84.28W
06/03/2020                   WARREN             OH   911 CALL CENTER

            ONE TREE REPORTED DOWN OFF OF OH-741.

&&

HICKMAN
Special weather statement, Jun 4, 11:23 AM EDT, 9 minutes before
Special Weather Statement
National Weather Service Wilmington OH
1123 AM EDT Thu Jun 4 2020

OHZ044-052-041600-
Champaign OH-Logan OH-
1123 AM EDT Thu Jun 4 2020

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL CHAMPAIGN AND
SOUTHEASTERN LOGAN COUNTIES UNTIL NOON EDT...

At 1122 AM EDT, radar indicated a strong thunderstorm near St. Paris,
moving east at 20 mph.

STORM HAZARDS INCLUDE...
Winds to 45 mph...
One half inch diameter hail...
Frequent cloud-to-ground lightning...
Very heavy rain...

Locations impacted include...
Urbana, St. Paris, West Liberty, Mechanicsburg, Valley Hi, Mutual,
Cable, Thackery, Westville, Pickrelltown, Lippincott, Kiser Lake
State Park, Millerstown, Mingo, Kennard and Terre Haute.

Do not stay in the open or seek shelter under trees when lightning
threatens. Move indoors when a thunderstorm approaches.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

To report hazardous weather conditions, go to our website at
weather.gov/iln and submit your report via social media, when you can
do so safely.

LAT...LON 4004 8393 4018 8397 4034 8365 4008 8352
TIME...MOT...LOC 1522Z 256DEG 19KT 4012 8388

Novak

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 8:18 PM EDTSpecial Weather StatementILNFayette27 min
Jun 3, 8:32 PM EDTSevere Thunderstorm WarningILNClinton, Fayette43 min
Jun 3, 8:52 PM EDTSevere Thunderstorm WarningILNButler, Preble23 min
Jun 3, 8:58 PM EDTSpecial Weather StatementILNClinton32 min
Jun 3, 9:07 PM EDTSpecial Weather StatementILNWarren23 min
Jun 3, 9:15 PM EDTSpecial Weather StatementILNButler30 min
Jun 3, 9:29 PM EDTSpecial Weather StatementILNHighland31 min
Jun 3, 9:34 PM EDTSpecial Weather StatementILNWarren26 min
Jun 3, 9:43 PM EDTAreal Flood AdvisoryILNButler3 hr
Jun 3, 9:43 PM EDTSevere Thunderstorm WarningILNButler, Warren32 min
Jun 3, 9:59 PM EDTSpecial Weather StatementILNHighland31 min
Jun 3, 10:31 PM EDTSpecial Weather StatementILNHighland29 min
Jun 3, 10:54 PM EDTSpecial Weather StatementILNRoss36 min
Jun 4, 11:23 AM EDTSpecial Weather StatementILNChampaign37 min
Jun 4, 12:10 PM EDTSevere Thunderstorm WarningILNChampaign, Delaware, Logan, Madison, Union50 min
Jun 4, 12:52 PM EDTSevere Thunderstorm WarningILNDelaware, Licking38 min
Jun 4, 12:59 PM EDTAreal Flood AdvisoryILNDelaware, Union3 hr
Jun 4, 12:59 PM EDTSevere Thunderstorm WarningILNHamilton46 min
Jun 4, 1:08 PM EDTSevere Thunderstorm WarningILNFranklin, Madison, Pickaway37 min
Jun 4, 1:27 PM EDTSpecial Weather StatementILNClinton33 min
Jun 4, 1:44 PM EDTSevere Thunderstorm WarningILNFranklin, Pickaway46 min
Jun 4, 1:48 PM EDTSpecial Weather StatementILNFairfield27 min
Jun 4, 1:54 PM EDTSevere Thunderstorm WarningILNFairfield36 min
Jun 4, 2:11 PM EDTSpecial Weather StatementILNWarren34 min
Jun 4, 2:17 PM EDTSpecial Weather StatementILNUnion28 min
Jun 4, 2:33 PM EDTSpecial Weather StatementILNFairfield27 min
Jun 4, 2:45 PM EDTSpecial Weather StatementILNUnion30 min
Jun 4, 2:47 PM EDTSpecial Weather StatementILNFranklin28 min
Jun 4, 2:55 PM EDTSpecial Weather StatementILNHighland35 min
Jun 4, 3:08 PM EDTAreal Flood AdvisoryILNFairfield, Hocking112 min
Jun 4, 3:21 PM EDTSpecial Weather StatementILNRoss24 min
Jun 4, 3:27 PM EDTAreal Flood AdvisoryILNRoss3 hr
Jun 4, 3:46 PM EDTSpecial Weather StatementILNRoss29 min
Jun 4, 3:55 PM EDTSpecial Weather StatementILNPickaway35 min
Jun 4, 4:22 PM EDTSpecial Weather StatementILNUnion38 min
Jun 4, 4:26 PM EDTSpecial Weather StatementILNLicking34 min
Jun 4, 3:20 PM EDTSpecial Weather StatementILNKenton25 min
Jun 4, 4:32 PM EDTSpecial Weather StatementILNBracken, Pendleton28 min
Jun 3, 8:14 PM EDTSpecial Weather StatementILNFayette31 min
Jun 3, 8:40 PM EDTSpecial Weather StatementILNUnion35 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.