Alert archive / Ohio / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 87, NWS Northern Indiana

August 20, 2022Allen County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Aug 20, 2022, 3:29 PM EDT for Allen County, Ohio. It was in force for 31 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
Aug 20, 2022, 3:29 PM EDT (19:29 UTC)
Expired
Aug 20, 2022, 4:00 PM EDT
In force
31 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Damage threat
Considerable
Hail
0.75 in
Wind
70.0 mph

County Allen County, OH

The radar

The Northern Indiana radar (KIWX), 149 km from the middle of the area, began a volume at 19:32 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, 7.5 hours before the alert went out and 151 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 2022-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 950 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 2022-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
950 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1075 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
92 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 Northern Indiana wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 20, 2:50 PM EDT, 39 minutes earlier.

Area forecast discussion, Aug 20, 2:50 PM EDT, 39 minutes before
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Hazardous weather outlook, Aug 20, 3:20 PM EDT, 9 minutes before
Hazardous Weather Outlook
National Weather Service Northern Indiana
320 PM EDT Sat Aug 20 2022

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005-
015-016-024-025-211000-
La Porte-St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-
Pulaski-Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-White-Cass IN-
Miami-Wabash-Huntington-Wells-Adams-Grant-Blackford-Jay-Berrien-
Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-Fulton OH-Defiance-
Henry-Paulding-Putnam-Van Wert-Allen OH-
320 PM EDT Sat Aug 20 2022 /220 PM CDT Sat Aug 20 2022/

This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.

.DAY ONE...This afternoon and tonight.

Isolated thunderstorms are possible tonight with locally heavy rain
possible.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Isolated thunderstorms are possible Sunday afternoon mainly east of
I69. Locally heavy rain is possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LMZ043-046-211000-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
320 PM EDT Sat Aug 20 2022

This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.

.DAY ONE...This afternoon and tonight.

Isolated thunderstorms are possible this evening. Winds and waves
could be higher in and around thunderstorms.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Moderate swim risk along Lake Michigan beaches expected Monday.

In the hours before

Special weather statement, Aug 20, 1:40 PM EDT, 1 hour 49 minutes before
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Special weather statement, Aug 20, 2:17 PM EDT, 1 hour 12 minutes before
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Special weather statement, Aug 20, 2:32 PM EDT, 57 minutes before
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Special weather statement, Aug 20, 3:00 PM EDT, 29 minutes before
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Special weather statement, Aug 20, 3:16 PM EDT, 13 minutes before
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Local storm report, Aug 20, 3:29 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 12:52 PM EDTSpecial Weather StatementIWXAdams23 min
Aug 20, 3:44 PM EDTSpecial Weather StatementIWXJay31 min
Aug 20, 1:15 PM EDTSpecial Weather StatementIWXPaulding30 min
Aug 20, 1:40 PM EDTSpecial Weather StatementIWXPaulding35 min
Aug 20, 2:17 PM EDTSpecial Weather StatementIWXPaulding28 min
Aug 20, 2:32 PM EDTSpecial Weather StatementIWXPutnam28 min
Aug 20, 3:00 PM EDTSpecial Weather StatementIWXHenry30 min
Aug 20, 3:16 PM EDTSpecial Weather StatementIWXAllen29 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2022Every severe thunderstorm warning in 2022

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.