Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 39, NWS Northern Indiana

June 21, 20214 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 21, 2021, 2:26 AM EDT for 4 counties in Indiana. It was in force for 21 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 21, 2021, 2:26 AM EDT (06:26 UTC)
Expired
Jun 21, 2021, 2:47 AM EDT
In force
21 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Elkhart County, IN, Kosciusko County, IN, LaGrange County, IN, Noble County, IN

The radar

The Northern Indiana radar (KIWX), 16 km from the middle of the area, began a volume at 06:26 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 21, 2:27 AM EDTTSTM WND DMGNew Paris, INSEVERAL REPORTS OF TREES DOWNED ACROSS THE COUNTY. RECEIVED IN THE LAST HOUR.

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 21, 1:00 AM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 6.4 hours before the alert went out and 232 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 00:00Z on 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 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 00:00Z on 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
133 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1501 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

490 
WUUS53 KIWX 210626
SVRIWX
INC039-085-087-113-210700-
/O.NEW.KIWX.SV.W.0039.210621T0626Z-210621T0700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
226 AM EDT Mon Jun 21 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Southeastern Elkhart County in north central Indiana...
  Northwestern Noble County in northeastern Indiana...
  Northeastern Kosciusko County in north central Indiana...
  Southwestern Lagrange County in northeastern Indiana...

* Until 300 AM EDT.

* At 226 AM EDT, a severe thunderstorm was located over New Paris, or
  near Goshen, moving east at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Goshen, Nappanee, Ligonier, Syracuse, Topeka, Millersburg, New
  Paris, Benton, Cromwell, Southwest, Foraker, Gravelton and
  Waterford Mills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4155 8554 4139 8555 4144 8597 4156 8596
TIME...MOT...LOC 0626Z 269DEG 42KT 4150 8587 

HAIL...<.75IN
WIND...60MPH
 
$$

MARSILI
2 follow-up statements
475 
WWUS53 KIWX 210637
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
237 AM EDT Mon Jun 21 2021

INC039-085-087-113-210700-
/O.CON.KIWX.SV.W.0039.000000T0000Z-210621T0700Z/
Elkhart IN-Noble IN-Kosciusko IN-Lagrange IN-
237 AM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM EDT
FOR SOUTHEASTERN ELKHART...NORTHWESTERN NOBLE...NORTHEASTERN
KOSCIUSKO AND SOUTHWESTERN LAGRANGE COUNTIES...

At 236 AM EDT, a severe thunderstorm was located near Syracuse, 
moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Ligonier, Syracuse, Topeka, Millersburg, Benton and Cromwell. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4155 8554 4139 8555 4143 8585 4154 8575
TIME...MOT...LOC 0636Z 269DEG 42KT 4150 8570 

HAIL...<.75IN
WIND...60MPH
 
$$

MARSILI
780 
WWUS53 KIWX 210647
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
247 AM EDT Mon Jun 21 2021

INC039-085-087-113-210657-
/O.CAN.KIWX.SV.W.0039.000000T0000Z-210621T0700Z/
Elkhart IN-Noble IN-Kosciusko IN-Lagrange IN-
247 AM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ELKHART...
NORTHWESTERN NOBLE...NORTHEASTERN KOSCIUSKO AND SOUTHWESTERN LAGRANGE
COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 600 AM EDT for
north central and northeastern Indiana.

LAT...LON 4155 8554 4139 8555 4143 8585 4154 8575
TIME...MOT...LOC 0645Z 269DEG 42KT 4150 8553 

$$

MARSILI

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 11:20 PM EDTSpecial Weather StatementIWXLaGrange25 min
Jun 20, 11:39 PM EDTSevere Thunderstorm WarningIWXDeKalb, LaGrange, Noble, Steuben22 min
Jun 21, 12:02 AM EDTSpecial Weather StatementIWXLaGrange28 min
Jun 21, 12:18 AM EDTSpecial Marine WarningIWX117 min
Jun 21, 12:47 AM EDTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph43 min
Jun 21, 1:21 AM EDTTornado WarningIWXLaPorte24 min
Jun 21, 1:30 AM EDTSevere Thunderstorm WarningIWXElkhart, Fulton, LaPorte, Marshall, Pulaski, Saint Joseph and 1 more45 min
Jun 21, 1:31 AM EDTTornado WarningIWXLaPorte, Starke29 min
Jun 21, 2:13 AM EDTSpecial Weather StatementIWXElkhart, Fulton, Kosciusko, LaGrange, Marshall, Noble47 min
Jun 21, 2:49 AM EDTSpecial Weather StatementIWXDeKalb, Kosciusko, Noble, Steuben, Wabash, Whitley26 min
Jun 21, 3:25 AM EDTSpecial Weather StatementIWXAllen, DeKalb, Huntington, Miami, Wabash, Wells and 1 more35 min
Jun 21, 4:11 AM EDTSpecial Weather StatementIWXAdams, Blackford, Huntington, Wells34 min
Jun 21, 4:37 AM EDTSpecial Weather StatementIWXJay38 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.