Alert archive / Ohio / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 145, NWS Northern Indiana

August 18, 2019Henry County, Putnam County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Aug 18, 2019, 3:42 PM EDT for Henry County, Putnam County, Ohio. It was in force for 33 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 18, 2019, 3:42 PM EDT (19:42 UTC)
Expired
Aug 18, 2019, 4:15 PM EDT
In force
33 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Henry County, OH, Putnam County, OH

The radar

The Northern Indiana radar (KIWX), 135 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 watch it was issued in

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

IssuedProductOfficeLasted
Aug 18, 3:24 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 7.7 hours before the alert went out and 180 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, Detroit, MI at 12:00Z on 2019-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 453 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, Detroit, MI at 12:00Z on 2019-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.19395878Sfc1 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
453 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
727 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.9

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 18, 2:37 PM EDT, 1 hour 5 minutes earlier.

Area forecast discussion, Aug 18, 2:37 PM EDT, 1 hour 5 minutes before
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Hazardous weather outlook, Aug 18, 3:30 PM EDT, 12 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Northern Indiana
330 PM EDT Sun Aug 18 2019

INZ003-004-MIZ077-078-191930-
La Porte-St. Joseph IN-Berrien-Cass MI-
330 PM EDT Sun Aug 18 2019 /230 PM CDT Sun Aug 18 2019/

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

.DAY ONE...This afternoon and tonight.

There is a chance for thunderstorms this afternoon. An isolated
strong storm is possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms are possible Monday through Wednesday. A strong storm
capable of gusty winds and locally heavy rainfall can't be ruled
out.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

INZ005>009-012>016-020-MIZ079>081-OHZ001-002-191930-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Kosciusko-White-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-
330 PM EDT Sun Aug 18 2019 /230 PM CDT Sun Aug 18 2019/

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

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms are expected this afternoon into
early this evening. Storms may become strong to severe,
capable of producing gusty winds, hail and locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms are possible Monday through Wednesday. A strong storm
capable of gusty winds and locally heavy rainfall can't be ruled
out.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late this afternoon.

INZ017-018-022>027-032>034-OHZ004-005-015-016-024-025-191930-
Whitley-Allen IN-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-
Blackford-Jay-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
330 PM EDT Sun Aug 18 2019

...SEVERE THUNDERSTORM WATCH 599 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

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

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

Scattered thunderstorms are expected this afternoon into
early this evening. Storms may become strong to severe,
capable of producing gusty winds, hail and locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms are possible Monday through Wednesday. A strong storm
capable of gusty winds and locally heavy rainfall can't be ruled
out.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is requested this afternoon into early this
evening.

LMZ043-046-191930-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
330 PM EDT Sun Aug 18 2019

This Hazardous Weather Outlook is for The Nearshore Waters of
Southeastern Lake Michigan.

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is a chance for thunderstorms at times between Monday through
Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Aug 18, 3:25 PM EDT, 17 minutes before
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Special weather statement, Aug 18, 3:25 PM EDT, 17 minutes before
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Special weather statement, Aug 18, 3:27 PM EDT, 15 minutes before
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Local storm report, Aug 18, 3:31 PM EDT, 11 minutes before
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Local storm report, Aug 18, 3:35 PM EDT, 7 minutes before
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Local storm report, Aug 18, 3:37 PM EDT, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 6:34 AM EDTSpecial Weather StatementIWXStarke41 min
Aug 18, 7:18 AM EDTSpecial Weather StatementIWXAllen, Whitley27 min
Aug 18, 7:21 AM EDTSpecial Weather StatementIWXWhitley24 min
Aug 18, 7:37 AM EDTSpecial Weather StatementIWXAllen38 min
Aug 18, 7:43 AM EDTSpecial Weather StatementIWXKosciusko32 min
Aug 18, 8:01 AM EDTSpecial Weather StatementIWXLaGrange29 min
Aug 18, 8:15 AM EDTSpecial Weather StatementIWXDeKalb, Noble45 min
Aug 18, 8:22 AM EDTSpecial Marine WarningIWX113 min
Aug 18, 8:29 AM EDTSpecial Weather StatementIWXSteuben46 min
Aug 18, 8:51 AM EDTSpecial Weather StatementIWXLaPorte39 min
Aug 18, 9:05 AM EDTAreal Flood AdvisoryIWXAllen3 hr
Aug 18, 9:44 AM EDTSpecial Weather StatementIWXElkhart, Saint Joseph46 min
Aug 18, 10:17 AM EDTSpecial Marine WarningIWX118 min
Aug 18, 10:20 AM EDTSpecial Weather StatementIWXElkhart, Marshall40 min
Aug 18, 10:39 AM EDTSpecial Weather StatementIWXLaGrange36 min
Aug 18, 10:59 AM EDTSpecial Weather StatementIWXNoble46 min
Aug 18, 11:07 AM EDTSpecial Weather StatementIWXPulaski38 min
Aug 18, 12:09 PM EDTSpecial Weather StatementIWXDeKalb36 min
Aug 18, 6:38 PM EDTSpecial Weather StatementIWXElkhart, LaGrange, Noble37 min
Aug 18, 7:12 PM EDTSpecial Weather StatementIWXElkhart48 min
Aug 18, 7:23 PM EDTSpecial Weather StatementIWXWhitley37 min
Aug 18, 7:40 PM EDTSpecial Weather StatementIWXNoble, Steuben50 min
Aug 18, 7:46 PM EDTSevere Thunderstorm WarningIWXAllen, DeKalb, Noble, Whitley29 min
Aug 18, 2:30 AM EDTSpecial Weather StatementIWXVan Wert45 min
Aug 18, 3:19 AM EDTSpecial Weather StatementIWXAllen26 min
Aug 18, 5:42 AM EDTSpecial Weather StatementIWXAllen63 min
Aug 18, 8:10 AM EDTSpecial Weather StatementIWXPaulding35 min
Aug 18, 8:21 AM EDTSpecial Weather StatementIWXDefiance39 min
Aug 18, 8:43 AM EDTSpecial Weather StatementIWXPaulding47 min
Aug 18, 9:12 AM EDTSpecial Weather StatementIWXHenry33 min
Aug 18, 9:28 AM EDTSpecial Weather StatementIWXPutnam47 min
Aug 18, 12:45 PM EDTSpecial Weather StatementIWXFulton30 min
Aug 18, 2:21 PM EDTSevere Thunderstorm WarningIWXDefiance, Fulton, Henry, Williams39 min
Aug 18, 2:57 PM EDTSevere Thunderstorm WarningIWXDefiance, Henry33 min
Aug 18, 3:05 PM EDTSpecial Weather StatementIWXDefiance25 min
Aug 18, 3:16 PM EDTSpecial Weather StatementIWXPutnam29 min
Aug 18, 3:25 PM EDTSpecial Weather StatementIWXHenry35 min
Aug 18, 3:27 PM EDTSpecial Weather StatementIWXDefiance33 min
Aug 18, 4:14 PM EDTSevere Thunderstorm WarningIWXHenry, Putnam31 min
Aug 18, 7:32 PM EDTSpecial Weather StatementIWXFulton43 min
Aug 18, 10:53 AM EDTSpecial Weather StatementIWXBerrien52 min
Aug 18, 6:19 PM EDTSpecial Weather StatementIWXSaint Joseph26 min
Aug 18, 6:43 PM EDTSpecial Weather StatementIWXBranch47 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2019Every severe thunderstorm warning in 2019

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.