Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 23, NWS Northern Indiana

June 20, 2021Elkhart County, LaGrange County, Noble County, Indiana; Saint Joseph County, Michigan

NWS Northern Indiana issued this severe thunderstorm warning at Jun 20, 2021, 7:19 PM EDT for Elkhart County, LaGrange County, Noble County, Indiana; Saint Joseph County, Michigan. It was in force for 41 min. 4 reports 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 20, 2021, 7:19 PM EDT (23:19 UTC)
Expired
Jun 20, 2021, 8:00 PM EDT
In force
41 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, Noble County, IN, Saint Joseph County, MI

The radar

The Northern Indiana radar (KIWX), 37 km from the middle of the area, began a volume at 23:21 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.

What was reported inside it

TimeReportWhereRemark
Jun 20, 7:20 PM EDTTSTM WND DMGBristol, INEMERGENCY MANAGEMENT REPORTS NUMEROUS TREES AND TREE LIMBS DOWN ACROSS THE NORTHERN PART OF ELKHART COUNTY. UNABLE TO PROVIDE SPECIFICS AT THIS TIME.
Jun 20, 7:36 PM EDTTSTM WND GST 522 Nw Benton, INASOS STATION KGSH GOSHEN.
Jun 20, 7:45 PM EDTTSTM WND DMG2 W Sturgis, MITREE DOWNED AND BLOCKING ROAD.
Jun 20, 7:50 PM EDTTSTM WND DMGSturgis, MIMULTIPLE POWER LINES DOWN.

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 20, 6:06 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 11.3 hours before the alert went out and 209 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 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 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, Detroit, MI at 12:00Z on 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.193958Sfc1 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
46 J/kg
Mixed-layer CIN
-265 J/kg
Mixed-layer LCL
737 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

523 
WUUS53 KIWX 202319
SVRIWX
INC039-087-113-MIC149-210000-
/O.NEW.KIWX.SV.W.0023.210620T2319Z-210621T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
719 PM EDT Sun Jun 20 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Eastern Elkhart County in north central Indiana...
  Northern Noble County in northeastern Indiana...
  Lagrange County in northeastern Indiana...
  Southern St. Joseph County in southwestern Michigan...

* Until 800 PM EDT.

* At 719 PM EDT, severe thunderstorms were located along a line
  extending from near Bristol to near Goshen to New Paris, moving
  northeast at 40 mph.

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

  SOURCE...Public reported wind damage and golf ball sized hail in 
           the greater Mishawaka area.

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

* Locations impacted include...
  Goshen, Sturgis, Kendallville, Ligonier, Syracuse, Lagrange,
  Middlebury, Constantine, Bristol, White Pigeon, Rome City, Colon,
  Topeka, Millersburg, New Paris, Benton, Scott, Fawn River,
  Mottville and Wolcottville.

This includes Interstate 80 in Indiana between mile markers 98 and
132.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4176 8529 4176 8520 4142 8519 4142 8565
      4144 8565 4143 8583 4176 8587 4176 8579
      4182 8576 4196 8529
TIME...MOT...LOC 2319Z 232DEG 36KT 4177 8581 4158 8578 4149 8583 

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

Brown
3 follow-up statements
283 
WWUS53 KIWX 202338
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
738 PM EDT Sun Jun 20 2021

INC039-087-113-MIC149-210000-
/O.CON.KIWX.SV.W.0023.000000T0000Z-210621T0000Z/
Elkhart IN-Noble IN-Lagrange IN-St. Joseph MI-
738 PM EDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR EASTERN ELKHART...NORTHERN NOBLE...LAGRANGE AND SOUTHERN ST.
JOSEPH COUNTIES...

At 737 PM EDT, severe thunderstorms were located along a line
extending from near Constantine to 6 miles east of Middlebury to near
Millersburg, moving northeast at 40 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...
Sturgis, Kendallville, Ligonier, Syracuse, Lagrange, Middlebury,
Constantine, White Pigeon, Rome City, Colon, Topeka, Millersburg,
Benton, Scott, Fawn River, Wolcottville, Burr Oak, Shipshewana,
Brimfield and Honeyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4176 8529 4176 8520 4142 8519 4142 8565
      4144 8565 4143 8583 4163 8571 4175 8572
      4185 8567 4196 8529
TIME...MOT...LOC 2337Z 232DEG 36KT 4188 8562 4169 8559 4160 8565 

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

Brown
871 
WWUS53 KIWX 202347
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
747 PM EDT Sun Jun 20 2021

INC039-087-113-MIC149-210000-
/O.CON.KIWX.SV.W.0023.000000T0000Z-210621T0000Z/
Elkhart IN-Noble IN-Lagrange IN-St. Joseph MI-
747 PM EDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHEASTERN ELKHART...NORTHERN NOBLE...LAGRANGE AND SOUTHEASTERN
ST. JOSEPH COUNTIES...

At 746 PM EDT, severe thunderstorms were located along a line
extending from Centreville to 6 miles southwest of Sturgis to 7 miles
east of Middlebury, moving northeast at 40 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Sturgis, Kendallville, Ligonier, Syracuse, Lagrange, Rome City,
Colon, Topeka, Millersburg, Scott, Fawn River, Wolcottville, Burr
Oak, Shipshewana, Brimfield, Honeyville, Brushy Prairie, Klinger
Lake, Big Long Lake and Howe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4176 8529 4176 8520 4142 8519 4142 8565
      4144 8565 4143 8580 4162 8566 4176 8562
      4187 8559 4196 8529
TIME...MOT...LOC 2346Z 232DEG 36KT 4192 8554 4173 8551 4164 8557 

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

Brown
646 
WWUS53 KIWX 202353
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
753 PM EDT Sun Jun 20 2021

INC039-087-113-MIC149-210003-
/O.EXP.KIWX.SV.W.0023.000000T0000Z-210621T0000Z/
Elkhart IN-Noble IN-Lagrange IN-St. Joseph MI-
753 PM EDT Sun Jun 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ELKHART...
NORTHERN NOBLE...LAGRANGE AND SOUTHEASTERN ST. JOSEPH COUNTIES WILL
EXPIRE AT 800 PM EDT...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.  However heavy rain is still possible with
these thunderstorms.

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

LAT...LON 4176 8529 4176 8520 4142 8519 4142 8565
      4144 8565 4143 8580 4162 8566 4176 8562
      4187 8559 4196 8529
TIME...MOT...LOC 2353Z 232DEG 36KT 4194 8550 4175 8547 4166 8553 

$$

Brown

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, 9:43 PM EDTSevere Thunderstorm WarningIWXMarshall, Starke47 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, 7:47 PM EDTSpecial Marine WarningIWX28 min
Jun 20, 7:49 PM EDTSevere Thunderstorm WarningIWXAllen, DeKalb10 min
Jun 19, 9:59 PM EDTSevere Thunderstorm WarningIWXHillsdale17 min
Jun 20, 6:58 PM EDTSevere Thunderstorm WarningIWXBerrien, Cass28 min
Jun 20, 7:29 PM EDTSevere Thunderstorm WarningIWXHillsdale31 min
Jun 20, 7:49 PM EDTSevere Thunderstorm WarningIWXHillsdale26 min
Jun 20, 7:58 PM EDTSevere Thunderstorm WarningIWXBranch, Saint Joseph32 min

Nearby

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