Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 119, NWS Northern Indiana

December 10, 2021LaPorte County, Starke County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Dec 10, 2021, 10:18 PM CST for LaPorte County, Starke County, Indiana. It was in force for 27 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
Dec 10, 2021, 10:18 PM CST (04:18 UTC)
Expired
Dec 10, 2021, 10:45 PM CST
In force
27 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties LaPorte County, IN, Starke County, IN

The radar

The Northern Indiana radar (KIWX), 97 km from the middle of the area, began a volume at 04:21 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

Lincoln, IL (KILX), launched 00:00Z, 4.3 hours before the alert went out and 217 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, Lincoln, IL at 00:00Z on 2021-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 119 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, Lincoln, IL at 00:00Z on 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 341 square meters per square second.1939587897Sfc1 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
119 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
662 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
341 m²/s²
0-3 km storm-relative helicity
357 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

720 
WUUS53 KIWX 110418
SVRIWX
INC091-149-110445-
/O.NEW.KIWX.SV.W.0119.211211T0418Z-211211T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
1018 PM CST Fri Dec 10 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Central Starke County in northwestern Indiana...
  La Porte County in northwestern Indiana...

* Until 1045 PM CST.

* At 1017 PM CST, severe thunderstorms were located along a line
  extending from near Burns Harbor to Dunns Bridge, moving northeast
  at 75 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Michigan City, La Porte, Westville, Trail Creek, New Carlisle,
  Kingsford Heights, Long Beach, Wanatah, Hamlet, La Crosse,
  Pottawattamie Park, Hanna, Michiana Shores, Kingsbury, Lomax,
  Waterford, Pinhook, English Lake, Salem Heights and Fish Lake.

This includes the following highways...
 Interstate 80 in Indiana between mile markers 38 and 61.
 Interstate 94 in Indiana between mile markers 33 and 45.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4171 8693 4173 8691 4175 8693 4176 8691
      4176 8652 4142 8652 4117 8691 4117 8693
TIME...MOT...LOC 0417Z 219DEG 65KT 4165 8713 4122 8700 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

FISHER
1 follow-up statement
568 
WWUS53 KIWX 110433
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
1033 PM CST Fri Dec 10 2021

INC091-149-110445-
/O.CON.KIWX.SV.W.0119.000000T0000Z-211211T0445Z/
Starke IN-La Porte IN-
1033 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CST
FOR NORTHWESTERN STARKE AND LA PORTE COUNTIES...

At 1032 PM CST, severe thunderstorms were located along a line
extending from near Town Of Pines to near La Crosse, moving northeast
at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Michigan City, La Porte, Westville, Trail Creek, New Carlisle,
Kingsford Heights, Long Beach, Wanatah, La Crosse, Pottawattamie
Park, Hanna, Michiana Shores, Kingsbury, Lomax, Waterford, Pinhook,
English Lake, Salem Heights, Fish Lake and Otis.

This includes the following highways...
 Interstate 80 in Indiana between mile markers 38 and 61.
 Interstate 94 in Indiana between mile markers 34 and 45.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4168 8692 4173 8691 4175 8692 4175 8693
      4176 8691 4176 8652 4152 8652 4151 8653
      4143 8652 4119 8692
TIME...MOT...LOC 0432Z 240DEG 36KT 4173 8697 4133 8682 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

FISHER

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 9:58 PM CSTSevere Thunderstorm WarningIWXPulaski, White32 min
Dec 10, 10:22 PM CSTSevere Thunderstorm WarningIWXFulton, Marshall, Pulaski, Starke38 min
Dec 10, 10:23 PM CSTSpecial Marine WarningIWX37 min
Dec 10, 10:44 PM CSTSevere Thunderstorm WarningIWXFulton, Marshall, Pulaski, Starke31 min
Dec 10, 10:47 PM CSTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph28 min
Dec 10, 10:49 PM CSTSevere Thunderstorm WarningIWXCass, Fulton, Pulaski, White26 min
Dec 10, 11:07 PM CSTSevere Thunderstorm WarningIWXMarshall23 min
Dec 10, 11:16 PM CSTAreal Flood AdvisoryIWXLaPorte, Marshall, Saint Joseph, Starke3 hr
Dec 10, 11:19 PM CSTSevere Thunderstorm WarningIWXCass, Fulton, Grant, Miami, Pulaski, Wabash and 1 more56 min
Dec 10, 11:32 PM CSTSpecial Weather StatementIWXKosciusko, Noble, Whitley28 min
Dec 10, 11:41 PM CSTSevere Thunderstorm WarningIWXFulton, Kosciusko, Noble, Whitley34 min
Dec 11, 12:11 AM CSTSevere Thunderstorm WarningIWXBlackford, Grant, Huntington, Wabash, Wells49 min
Dec 11, 12:15 AM CSTSpecial Weather StatementIWXAllen, DeKalb, Huntington, Wabash, Whitley30 min
Dec 11, 12:33 AM CSTSevere Thunderstorm WarningIWXAdams, Blackford, Jay, Wells34 min
Dec 11, 1:43 AM CSTSpecial Weather StatementIWXJay32 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2021Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.