Alert archive / Ohio / Special Weather Statements in 2021

Special Weather Statement, NWS Wilmington, OH

June 21, 2021Hardin County, Ohio

NWS Wilmington, OH issued this special weather statement at Jun 21, 2021, 5:21 AM EDT for Hardin County, Ohio. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 21, 2021, 5:21 AM EDT (09:21 UTC)
Expired
Jun 21, 2021, 6:00 AM EDT
In force
39 min
Issued by
NWS Wilmington, OH

County Hardin County, OH

The radar

The Cincinnati radar (KILN), 136 km from the middle of the area, began a volume at 09:24 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 00:00Z, 9.4 hours before the alert went out and 135 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 00:00Z on 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1412 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
1412 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1197 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.2

Open this sounding in Storm Lab

The text

As transmitted.

342 
WWUS81 KILN 210921
SPSILN

Special Weather Statement
National Weather Service Wilmington OH
521 AM EDT Mon Jun 21 2021
 
OHZ026-035-211000-
Auglaize OH-Hardin OH-
521 AM EDT Mon Jun 21 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN AUGLAIZE AND HARDIN
COUNTIES UNTIL 600 AM EDT...

At 521 AM EDT, radar indicated a strong thunderstorm over Alger,
moving east at 45 mph.

STORM HAZARDS INCLUDE...
Winds to 50 mph...

Locations impacted include...
Kenton, Ada, Forest, Dunkirk, Alger, Waynesfield, Blanchard,
Roundhead, Mount Victory, Mcguffey, Ridgeway, Uniopolis, Patterson,
Dola, Huntersville, Pfeiffer, Grant, Silver Creek and Jumbo.

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 4082 8350 4070 8350 4070 8344 4069 8344
      4069 8342 4050 8342 4053 8388 4054 8388
      4054 8399 4050 8399 4049 8407 4064 8409
      4065 8388 4082 8388
TIME...MOT...LOC 0921Z 265DEG 41KT 4072 8386 

$$

Hatzos

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 4:15 AM EDTSpecial Weather StatementILNMercer45 min
Jun 21, 4:51 AM EDTSpecial Weather StatementILNAuglaize, Hardin, Mercer39 min
Jun 21, 12:03 PM EDTSpecial Weather StatementILNDelaware27 min
Jun 21, 12:22 PM EDTSpecial Weather StatementILNDelaware23 min
Jun 21, 12:44 PM EDTSpecial Weather StatementILNDelaware31 min
Jun 21, 1:14 PM EDTSpecial Weather StatementILNLicking31 min
Jun 21, 1:43 PM EDTSpecial Weather StatementILNLicking32 min
Jun 21, 2:00 PM EDTSpecial Weather StatementILNHighland, Ross45 min
Jun 21, 2:38 PM EDTSpecial Weather StatementILNRoss37 min
Jun 21, 2:58 PM EDTSpecial Weather StatementILNHocking32 min

Nearby

Special Weather Statements in Ohio, 2021Every special weather statement in 2021

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.