Alert archive / Ohio / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 108, NWS Northern Indiana

October 23, 2020Allen County, Van Wert County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Oct 23, 2020, 4:31 PM EDT for Allen County, Van Wert County, Ohio. It was in force for 14 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
Oct 23, 2020, 4:31 PM EDT (20:31 UTC)
Expired
Oct 23, 2020, 4:45 PM EDT
In force
14 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Allen County, OH, Van Wert County, OH

The radar

The Northern Indiana radar (KIWX), 129 km from the middle of the area, began a volume at 20:31 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 23, 1:56 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.5 hours before the alert went out and 161 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 2020-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 204 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 2020-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
204 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1014 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 23, 4:16 AM EDTLakeshore Flood AdvisoryIWX31 hr
Oct 23, 1:24 PM EDTSpecial Weather StatementIWXLaGrange36 min
Oct 23, 2:08 PM EDTSpecial Weather StatementIWXNoble37 min
Oct 23, 2:24 PM EDTSpecial Weather StatementIWXKosciusko, Noble36 min
Oct 23, 2:46 PM EDTSpecial Weather StatementIWXGrant29 min
Oct 23, 3:14 PM EDTSpecial Weather StatementIWXWells31 min
Oct 23, 3:34 PM EDTSpecial Weather StatementIWXBlackford41 min
Oct 23, 3:44 PM EDTSpecial Weather StatementIWXAllen31 min
Oct 23, 2:13 PM EDTSpecial Weather StatementIWXAllen32 min
Oct 23, 4:20 PM EDTSpecial Weather StatementIWXVan Wert25 min
Oct 23, 4:35 PM EDTSpecial Weather StatementIWXHenry25 min
Oct 23, 4:47 PM EDTSpecial Weather StatementIWXAllen, Putnam28 min
Oct 23, 1:01 PM EDTSpecial Weather StatementIWXSaint Joseph29 min
Oct 23, 2:02 PM EDTSpecial Weather StatementIWXHillsdale28 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.