Alert archive / Indiana / Special Marine Warnings in 2021

Special Marine Warning 19, NWS Northern Indiana

August 24, 2021

NWS Northern Indiana issued this special marine warning at Aug 24, 2021, 7:24 PM EDT. It was in force for 66 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 24, 2021, 7:24 PM EDT (23:24 UTC)
Expired
Aug 24, 2021, 8:30 PM EDT
In force
66 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
0.0 in
Wind
34.0 mph

What forecasters said that day

The local office's own words before this special marine 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 special marine warning went out at Aug 24, 3:55 PM EDT, 3 hours 29 minutes earlier.

Area forecast discussion, Aug 24, 3:55 PM EDT, 3 hours 29 minutes before
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Hazardous weather outlook, Aug 24, 3:58 PM EDT, 3 hours 26 minutes before
Hazardous Weather Outlook
National Weather Service Northern Indiana
358 PM EDT Tue Aug 24 2021

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005-
015-016-024-025-252000-
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-
358 PM EDT Tue Aug 24 2021 /258 PM CDT Tue Aug 24 2021/

...HEAT ADVISORY IN EFFECT UNTIL 9 PM EDT /8 PM CDT/ THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 11 AM EDT /10 AM CDT/ TO 9 PM EDT
/8 PM CDT/ WEDNESDAY...

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

   Heat Advisory.

Thunderstorms are possible today but widespread severe weather is
not expected.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

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

   Heat Advisory.

Heat index values will be around 100 again Wednesday.

Periodic thunderstorms are possible through the week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LMZ043-046-252000-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
358 PM EDT Tue Aug 24 2021

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

.DAY ONE...This afternoon and tonight.

There is a slight chance of thunderstorms today.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Periodic thunderstorms are possible Wednesday through Monday.

In the hours before

Special weather statement, Aug 24, 5:10 PM EDT, 2 hours 14 minutes before
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Special weather statement, Aug 24, 6:02 PM EDT, 1 hour 22 minutes before
Special Weather Statement
National Weather Service Northern Indiana
602 PM EDT Tue Aug 24 2021

MIZ077-242245-
Berrien MI-
602 PM EDT Tue Aug 24 2021

...A strong thunderstorm will impact portions of Berrien County
through 645 PM EDT...

At 601 PM EDT, Doppler radar was tracking a strong thunderstorm over
Shorewood-Tower Hills-Harbert, or 12 miles west of Buchanan, moving
northeast at 5 mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This strong thunderstorm will be near...
  Shorewood-Tower Hill around 610 PM EDT.

Other locations in the path of this storm include Shorewood-Tower
Hills-Harbert and Bridgman.

This includes Interstate 94 in Michigan between mile markers 2 and
16.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4187 8665 4193 8658 4201 8648 4211 8623
      4180 8623 4176 8660 4178 8678
TIME...MOT...LOC 2201Z 234DEG 5KT 4185 8662

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

SKIP
Special weather statement, Aug 24, 6:53 PM EDT, 31 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 3:30 AM EDTHeat AdvisoryIWXAdams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more18 hr
Aug 24, 3:53 PM EDTHeat AdvisoryIWXAdams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more29 hr
Aug 24, 5:43 PM EDTSpecial Marine WarningIWX62 min
Aug 24, 6:47 PM EDTSpecial Marine WarningIWX58 min
Aug 24, 5:10 PM EDTSpecial Weather StatementIWXBerrien50 min
Aug 24, 6:02 PM EDTSpecial Weather StatementIWXBerrien43 min
Aug 24, 6:12 PM EDTAreal Flood AdvisoryIWXBerrien3 hr
Aug 24, 6:20 PM EDTSevere Thunderstorm WarningIWXBerrien25 min
Aug 24, 6:53 PM EDTSpecial Weather StatementIWXCass52 min
Aug 24, 7:53 PM EDTSpecial Weather StatementIWXCass22 min

Nearby

Special Marine Warnings in Indiana, 2021Every special marine warning 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.