Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Northern Indiana

June 19, 2021Elkhart County, LaGrange County, Saint Joseph County, Indiana; Cass County, Saint Joseph County, Michigan

NWS Northern Indiana issued this severe thunderstorm warning at Jun 19, 2021, 8:20 PM EDT for Elkhart County, LaGrange County, Saint Joseph County, Indiana; Cass County, Saint Joseph County, Michigan. It was in force for 40 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, 8:20 PM EDT (00:20 UTC)
Expired: Jun 19, 2021, 9:00 PM EDT
In force: 40 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Elkhart County, IN, LaGrange County, IN, Saint Joseph County, IN, Cass County, MI, Saint Joseph County, MI

The radar

The Northern Indiana radar (KIWX), 43 km from the middle of the area, began a volume at 00:23 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

Time	Report	Where	Remark
Jun 19, 8:20 PM EDT	TSTM WND DMG	Eagle Lake, MI	NUMEROUS TREES AND POWERLINES DOWNED ALL ACROSS THE SOUTHERN PART OF THE COUNTY.

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

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 0.3 hours before the alert went out and 231 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 36 J/kg
Mixed-layer CIN: -214 J/kg
Mixed-layer LCL: 969 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

278 
WUUS53 KIWX 200020
SVRIWX
INC039-087-141-MIC027-149-200100-
/O.NEW.KIWX.SV.W.0010.210620T0020Z-210620T0100Z/

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

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Northern Elkhart County in north central Indiana...
  Northeastern St. Joseph County in north central Indiana...
  Western Lagrange County in northeastern Indiana...
  Southeastern Cass County in southwestern Michigan...
  Southwestern St. Joseph County in southwestern Michigan...

* Until 900 PM EDT.

* At 820 PM EDT, a severe thunderstorm was located over Simonton
  Lake, moving southeast at 30 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Elkhart, Mishawaka, Goshen, Granger, Dunlap, Simonton Lake,
  Middlebury, Cassopolis, Bristol, White Pigeon, Edwardsburg, Union,
  Scott, Mottville, Shipshewana, Honeyville, Calvin Center,
  Adamsville, Juno Lake and Shavehead Lake.

This includes Interstate 80 in Indiana between mile markers 81 and
121.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4171 8619 4191 8601 4176 8541 4153 8563
TIME...MOT...LOC 0020Z 304DEG 27KT 4177 8594 

HAIL...1.00IN
WIND...60MPH
 
$$

MARSILI

2 follow-up statements

112 
WWUS53 KIWX 200042
SVSIWX

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

INC039-087-141-MIC027-149-200100-
/O.CON.KIWX.SV.W.0010.000000T0000Z-210620T0100Z/
Elkhart IN-St. Joseph IN-Lagrange IN-Cass MI-St. Joseph MI-
842 PM EDT Sat Jun 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR NORTHERN ELKHART...NORTHEASTERN ST. JOSEPH...WESTERN LAGRANGE...
SOUTHEASTERN CASS AND SOUTHWESTERN ST. JOSEPH COUNTIES...

At 842 PM EDT, severe thunderstorms were located along a line
extending from 8 miles west of Constantine to near Elkhart, moving
southeast at 25 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Elkhart, Mishawaka, Goshen, Granger, Dunlap, Simonton Lake,
Middlebury, Cassopolis, Bristol, White Pigeon, Edwardsburg, Union,
Scott, Mottville, Shipshewana, Honeyville, Calvin Center, Adamsville,
Juno Lake and Shavehead Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4171 8619 4191 8601 4176 8541 4153 8563
TIME...MOT...LOC 0042Z 303DEG 22KT 4185 8583 4166 8598 

HAIL...1.00IN
WIND...60MPH
 
$$

MARSILI

253 
WWUS53 KIWX 200059
SVSIWX

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

INC039-087-141-MIC027-149-200109-
/O.EXP.KIWX.SV.W.0010.000000T0000Z-210620T0100Z/
Elkhart IN-St. Joseph IN-Lagrange IN-Cass MI-St. Joseph MI-
859 PM EDT Sat Jun 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ELKHART...
NORTHEASTERN ST. JOSEPH...WESTERN LAGRANGE...SOUTHEASTERN CASS AND
SOUTHWESTERN ST. JOSEPH COUNTIES WILL EXPIRE AT 900 PM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty 
winds and heavy rain are still possible with these thunderstorms. 
Storms may reintensify so stay tuned for any later statements or 
warnings.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
north central and northeastern Indiana.

LAT...LON 4171 8619 4191 8601 4176 8541 4153 8563
TIME...MOT...LOC 0059Z 304DEG 27KT 4178 8569 4159 8584 

$$

MARSILI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 8:16 PM EDT	Severe Thunderstorm Warning	IWX	LaPorte, Saint Joseph	44 min
Jun 19, 8:51 PM EDT	Areal Flood Advisory	IWX	Elkhart, LaGrange, Saint Joseph	3 hr
Jun 19, 8:53 PM EDT	Severe Thunderstorm Warning	IWX	LaPorte, Marshall, Saint Joseph, Starke	52 min
Jun 19, 9:14 PM EDT	Areal Flood Advisory	IWX	LaPorte, Saint Joseph, Starke	3 hr
Jun 19, 9:21 PM EDT	Severe Thunderstorm Warning	IWX	Steuben	39 min
Jun 19, 9:43 PM EDT	Severe Thunderstorm Warning	IWX	Marshall, Starke	47 min
Jun 19, 10:30 PM EDT	Severe Thunderstorm Warning	IWX	Pulaski, Starke	60 min
Jun 20, 4:49 AM EDT	Small Craft Advisory	IWX		45 hr
Jun 20, 5:12 AM EDT	Beach Hazards Statement	IWX		49 hr
Jun 20, 5:52 PM EDT	Severe Thunderstorm Warning	IWX	LaPorte, Marshall, Saint Joseph, Starke	38 min
Jun 20, 5:57 PM EDT	Severe Thunderstorm Warning	IWX	LaPorte, Starke	33 min
Jun 20, 6:39 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, Fulton, Kosciusko, Marshall	51 min
Jun 20, 6:42 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, Kosciusko, Marshall, Saint Joseph	26 min
Jun 20, 6:53 PM EDT	Severe Thunderstorm Warning	IWX	Marshall, Starke	22 min
Jun 20, 7:07 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, Kosciusko, Marshall, Saint Joseph	23 min
Jun 20, 7:19 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, LaGrange, Noble	41 min
Jun 20, 7:47 PM EDT	Special Marine Warning	IWX		28 min
Jun 20, 7:49 PM EDT	Severe Thunderstorm Warning	IWX	Allen, DeKalb	10 min
Jun 19, 9:59 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	17 min
Jun 20, 6:58 PM EDT	Severe Thunderstorm Warning	IWX	Berrien, Cass	28 min
Jun 20, 7:29 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	31 min
Jun 20, 7:49 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	26 min
Jun 20, 7:58 PM EDT	Severe Thunderstorm Warning	IWX	Branch, Saint Joseph	32 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2021 Severe Thunderstorm Warnings in Michigan, 2021 Every 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.