Alert archive / Indiana / Tornado Warnings in 2021

Tornado Warning 8, NWS Northern Indiana

June 25, 2021Cass County, Indiana

NWS Northern Indiana issued this tornado warning at Jun 25, 2021, 9:17 PM EDT for Cass County, Indiana. It was in force for 28 min. 2 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 25, 2021, 9:17 PM EDT (01:17 UTC)
Expired
Jun 25, 2021, 9:45 PM EDT
In force
28 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Cass County, IN

The radar

The Indianapolis radar (KIND), 99 km from the middle of the area, began a volume at 01:19 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 25, 9:25 PM EDTFUNNEL CLOUD3 W Galveston, INROTATING WALL CLOUD AND FUNNEL CLOUD REPORTED BY A SPOTTER (VIDEO AND PICTURES SENT IN). NO OBSERVED DAMAGE AS OF THIS REPORT.
Jun 25, 9:42 PM EDTFUNNEL CLOUD2 Wsw Lincoln, INOBSERVER HAS VIDEO OF A ROTATING WALL CLOUD AND POSSIBLE FUNNEL CLOUD (THEY ARE LOOKING NORTHWEST). CANNOT SEE IF IT WAS TOUCHING THE GROUND, BUT OBSERVER DID REPORT THEY SAW DUST SWIRLING AND WHAT APPEARED TO BE PIECES OF WOOD FROM FOREST (LOCATION OF FOREST

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 25, 7:47 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.3 hours before the alert went out and 200 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 2021-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1254 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 2021-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
1254 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.6

Open this sounding in Storm Lab

The text

As transmitted.

254 
WFUS53 KIWX 260117
TORIWX
INC017-260145-
/O.NEW.KIWX.TO.W.0008.210626T0117Z-210626T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Northern Indiana
917 PM EDT Fri Jun 25 2021

The National Weather Service in Northern Indiana has issued a

* Tornado Warning for...
  Southeastern Cass County in north central Indiana...

* Until 945 PM EDT.
    
* At 916 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles southwest of Walton, or 14 miles south of
  Logansport, moving northeast at 20 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Walton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If in a mobile home, a
vehicle or outdoors, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 4056 8637 4061 8637 4069 8627 4056 8617
TIME...MOT...LOC 0116Z 240DEG 16KT 4055 8639 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CR
1 follow-up statement
260 
WWUS53 KIWX 260134
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
934 PM EDT Fri Jun 25 2021

INC017-260145-
/O.CON.KIWX.TO.W.0008.000000T0000Z-210626T0145Z/
Cass IN-
934 PM EDT Fri Jun 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR
SOUTHEASTERN CASS COUNTY...
    
At 933 PM EDT, a confirmed tornado was located near Walton, or 8
miles southwest of Grissom Afb, moving northeast at 20 mph.

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Walton, Galveston and Deacon. 

LAT...LON 4058 8636 4060 8636 4069 8627 4056 8617
      4056 8633
TIME...MOT...LOC 0133Z 238DEG 19KT 4060 8628 

TORNADO...OBSERVED
HAIL...<.75IN

$$

CR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 9:24 PM EDTTornado WarningIWXDeKalb14 min
Jun 25, 9:43 PM EDTTornado WarningIWXCass9 min
Jun 25, 10:37 PM EDTTornado WarningIWXFulton, Pulaski38 min
Jun 25, 10:58 PM EDTAreal Flood AdvisoryIWXFulton, Kosciusko, Pulaski3 hr
Jun 25, 11:52 PM EDTAreal Flood AdvisoryIWXFulton, Kosciusko, Marshall, Starke3 hr
Jun 25, 11:58 PM EDTSpecial Weather StatementIWXKosciusko32 min
Jun 26, 1:24 AM EDTAreal Flood AdvisoryIWXElkhart, Kosciusko, LaPorte, Marshall, Saint Joseph, Starke3 hr
Jun 26, 1:28 AM EDTSpecial Weather StatementIWXElkhart32 min
Jun 26, 1:59 AM EDTSpecial Weather StatementIWXElkhart31 min
Jun 26, 10:35 AM EDTRiver Flood WarningIWXElkhart, Saint Joseph70 hr
Jun 26, 10:35 AM EDTRiver Flood WarningIWXLaPorte, Saint Joseph, Starke5 days
Jun 26, 1:36 PM EDTSpecial Marine WarningIWX114 min
Jun 26, 3:26 PM EDTSpecial Marine WarningIWX34 min
Jun 26, 3:58 PM EDTSevere Thunderstorm WarningIWXLaPorte, Starke47 min
Jun 26, 4:09 PM EDTTornado WarningIWXSaint Joseph36 min
Jun 26, 4:38 PM EDTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph24 min
Jun 26, 6:16 PM EDTSpecial Marine WarningIWX95 min
Jun 26, 6:44 PM EDTSevere Thunderstorm WarningIWXLaPorte, Pulaski, Starke61 min
Jun 26, 7:16 PM EDTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph44 min
Jun 26, 7:20 PM EDTSevere Thunderstorm WarningIWXLaPorte, Marshall, Saint Joseph, Starke40 min
Jun 26, 7:31 PM EDTTornado WarningIWXLaPorte, Saint Joseph14 min
Jun 26, 7:49 PM EDTSevere Thunderstorm WarningIWXPulaski, Starke, White41 min
Jun 26, 7:53 PM EDTSevere Thunderstorm WarningIWXElkhart, Saint Joseph52 min
Jun 26, 7:59 PM EDTSpecial Weather StatementIWXElkhart31 min

Nearby

Tornado Warnings in Indiana, 2021Every tornado warning in 2021Tornadoes 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.