Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Northern Indiana

June 19, 2021Marshall County, Starke County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 19, 2021, 9:43 PM EDT for Marshall County, Starke County, Indiana. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 19, 2021, 9:43 PM EDT (01:43 UTC)
Expired
Jun 19, 2021, 10:30 PM EDT
In force
47 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Marshall County, IN, Starke County, IN

The radar

The Northern Indiana radar (KIWX), 81 km from the middle of the area, began a volume at 01:47 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.

What was reported inside it

TimeReportWhereRemark
Jun 19, 10:15 PM EDTTSTM WND DMG2 Ssw Brems, INREPORTS OF TREES AND LIMBS DOWN ALONG SR 8 BETWEEN N CR 100 W AND N RANGE ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 19, 8:50 PM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.7 hours before the alert went out and 208 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 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2088 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, Lincoln, IL at 00:00Z on 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
2088 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1087 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.7

Open this sounding in Storm Lab

The text

As transmitted.

081 
WUUS53 KIWX 200143
SVRIWX
INC099-149-200230-
/O.NEW.KIWX.SV.W.0013.210620T0143Z-210620T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
943 PM EDT Sat Jun 19 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Starke County in northwestern Indiana...
  Southwestern Marshall County in north central Indiana...

* Until 1030 PM EDT/930 PM CDT/.

* At 943 PM EDT/843 PM CDT/, a severe thunderstorm was located near
  Hamlet, or near Knox, moving southeast at 30 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Knox, North Judson, Culver, Hamlet, Koontz Lake, Oak Grove, Ober,
  Twin Lakes, Rutland, Burr Oak, Maxinkuckee, Brems, Toto, Hibbard,
  Winona, Bass Lake, Donaldson, Grovertown and Ora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4132 8674 4133 8674 4135 8672 4136 8672
      4140 8669 4143 8664 4143 8647 4118 8622
      4117 8667 4117 8680 4127 8681
TIME...MOT...LOC 0143Z 306DEG 26KT 4135 8662 

HAIL...0.75IN
WIND...60MPH
 
$$

MARSILI
1 follow-up statement
399 
WWUS53 KIWX 200214
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
1014 PM EDT Sat Jun 19 2021

INC099-149-200230-
/O.CON.KIWX.SV.W.0013.000000T0000Z-210620T0230Z/
Starke IN-Marshall IN-
1014 PM EDT Sat Jun 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM
EDT/930 PM CDT/ FOR STARKE AND SOUTHWESTERN MARSHALL COUNTIES...

At 1014 PM EDT/914 PM CDT/, a severe thunderstorm was located over
Knox, moving southeast at 20 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Knox, North Judson, Culver, Oak Grove, Ober, Rutland, Burr Oak,
Maxinkuckee, Brems, Toto, Hibbard, Winona, Bass Lake and Ora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4132 8674 4133 8674 4136 8666 4136 8659
      4135 8655 4134 8645 4118 8622 4117 8667
      4117 8680 4127 8681
TIME...MOT...LOC 0214Z 314DEG 18KT 4127 8659 

HAIL...0.75IN
WIND...60MPH
 
$$

MARSILI

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 8:16 PM EDTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph44 min
Jun 19, 8:20 PM EDTSevere Thunderstorm WarningIWXElkhart, LaGrange, Saint Joseph40 min
Jun 19, 8:51 PM EDTAreal Flood AdvisoryIWXElkhart, LaGrange, Saint Joseph3 hr
Jun 19, 8:53 PM EDTSevere Thunderstorm WarningIWXLaPorte, Marshall, Saint Joseph, Starke52 min
Jun 19, 9:14 PM EDTAreal Flood AdvisoryIWXLaPorte, Saint Joseph, Starke3 hr
Jun 19, 9:21 PM EDTSevere Thunderstorm WarningIWXSteuben39 min
Jun 19, 10:30 PM EDTSevere Thunderstorm WarningIWXPulaski, Starke60 min
Jun 20, 4:49 AM EDTSmall Craft AdvisoryIWX45 hr
Jun 20, 5:12 AM EDTBeach Hazards StatementIWX49 hr
Jun 20, 5:52 PM EDTSevere Thunderstorm WarningIWXLaPorte, Marshall, Saint Joseph, Starke38 min
Jun 20, 5:57 PM EDTSevere Thunderstorm WarningIWXLaPorte, Starke33 min
Jun 20, 6:39 PM EDTSevere Thunderstorm WarningIWXElkhart, Fulton, Kosciusko, Marshall51 min
Jun 20, 6:42 PM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Marshall, Saint Joseph26 min
Jun 20, 6:53 PM EDTSevere Thunderstorm WarningIWXMarshall, Starke22 min
Jun 20, 7:07 PM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Marshall, Saint Joseph23 min
Jun 20, 7:19 PM EDTSevere Thunderstorm WarningIWXElkhart, LaGrange, Noble41 min
Jun 20, 7:47 PM EDTSpecial Marine WarningIWX28 min
Jun 20, 7:49 PM EDTSevere Thunderstorm WarningIWXAllen, DeKalb10 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.