Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Northern Indiana

June 18, 20215 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 18, 2021, 3:28 PM EDT for 5 counties in Indiana. It was in force for 47 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: Jun 18, 2021, 3:28 PM EDT (19:28 UTC)
Expired: Jun 18, 2021, 4:15 PM EDT
In force: 47 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 1.25 in
Wind: 70.0 mph

Counties Blackford County, IN, Grant County, IN, Huntington County, IN, Wabash County, IN, Wells County, IN

The radar

The Northern Indiana radar (KIWX), 84 km from the middle of the area, began a volume at 19:30 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.5 hours before the alert went out and 199 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1560 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

078 
WUUS53 KIWX 181928
SVRIWX
INC009-053-069-169-179-182015-
/O.NEW.KIWX.SV.W.0002.210618T1928Z-210618T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
328 PM EDT Fri Jun 18 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Southeastern Wabash County in north central Indiana...
  Northeastern Grant County in central Indiana...
  Northwestern Blackford County in east central Indiana...
  Southern Huntington County in northeastern Indiana...
  Southwestern Wells County in northeastern Indiana...

* Until 415 PM EDT.

* At 327 PM EDT, a severe thunderstorm was located near La Fontaine,
  or near Marion, moving east at 25 mph.

  HAZARD...70 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Marion, Montpelier, La Fontaine, Van Buren, Warren, Mcnatts,
  Landess, Mount Zion, Dillman, Jalapa, Hanfield, Keystone, Banquo,
  Roll, Lake Wood and Arcana.

This includes Interstate 69 in Indiana between mile markers 263 and
274.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

&&

LAT...LON 4061 8578 4071 8568 4065 8519 4048 8537
TIME...MOT...LOC 1927Z 287DEG 23KT 4063 8564 

HAIL...1.25IN
WIND...70MPH
 
$$

JBALL

1 follow-up statement

890 
WWUS53 KIWX 181944
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
344 PM EDT Fri Jun 18 2021

INC069-169-181954-
/O.CAN.KIWX.SV.W.0002.000000T0000Z-210618T2015Z/
Wabash IN-Huntington IN-
344 PM EDT Fri Jun 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WABASH AND
SOUTHERN HUNTINGTON COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4055 8561 4065 8551 4062 8522 4048 8537
TIME...MOT...LOC 1944Z 287DEG 23KT 4060 8550 

$$

INC009-053-179-182015-
/O.CON.KIWX.SV.W.0002.000000T0000Z-210618T2015Z/
Grant IN-Blackford IN-Wells IN-
344 PM EDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHEASTERN GRANT...NORTHWESTERN BLACKFORD AND SOUTHWESTERN
WELLS COUNTIES...

At 344 PM EDT, a severe thunderstorm was located over Van Buren, or 9
miles north of Upland, moving east at 25 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Montpelier, Van Buren, Mcnatts, Keystone, Roll, Dillman, Lake Wood
and Arcana.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

LAT...LON 4055 8561 4065 8551 4062 8522 4048 8537
TIME...MOT...LOC 1944Z 287DEG 23KT 4060 8550 

HAIL...1.25IN
WIND...70MPH
 
$$

JBALL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 5:53 AM EDT	Special Marine Warning	IWX		82 min
Jun 18, 6:39 AM EDT	Special Weather Statement	IWX	LaPorte, Saint Joseph	66 min
Jun 18, 7:15 AM EDT	Special Weather Statement	IWX	Elkhart, LaGrange	45 min
Jun 18, 7:56 AM EDT	Special Weather Statement	IWX	DeKalb, Steuben	64 min
Jun 18, 8:22 AM EDT	Special Weather Statement	IWX	Adams, Allen, Wells	53 min
Jun 18, 2:21 PM EDT	Special Weather Statement	IWX	Miami	24 min
Jun 18, 2:45 PM EDT	Special Weather Statement	IWX	Grant, Miami	45 min
Jun 18, 2:52 PM EDT	Severe Thunderstorm Warning	IWX	Grant, Huntington, Miami, Wabash	38 min
Jun 18, 3:34 PM EDT	Severe Thunderstorm Warning	IWX	Adams, Jay, Wells	41 min
Jun 18, 3:54 PM EDT	Tornado Warning	IWX	Jay	19 min
Jun 18, 3:58 PM EDT	Severe Thunderstorm Warning	IWX	Blackford, Jay	47 min
Jun 18, 4:16 PM EDT	Severe Thunderstorm Warning	IWX	Jay	13 min
Jun 18, 4:48 PM EDT	Severe Thunderstorm Warning	IWX	Jay	18 min
Jun 18, 6:48 PM EDT	Special Weather Statement	IWX	Jay	27 min

Nearby

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