Alert archive / Indiana / Tornado Warnings in 2016

Tornado Warning 17, NWS Northern Indiana

August 24, 2016Cass County, Indiana

NWS Northern Indiana issued this tornado warning at Aug 24, 2016, 5:46 PM EDT for Cass County, Indiana. It was in force for 29 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
Aug 24, 2016, 5:46 PM EDT (21:46 UTC)
Expired
Aug 24, 2016, 6:15 PM EDT
In force
29 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Cass County, IN

The radar

The Northern Indiana radar (KIWX), 98 km from the middle of the area, began a volume at 21:50 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 24, 3:10 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.8 hours before the alert went out and 202 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 12:00Z on 2016-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 550 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, Lincoln, IL at 12:00Z on 2016-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 255 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
550 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
741 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
255 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.0

Open this sounding in Storm Lab

The text

As transmitted.

654 
WFUS53 KIWX 242146
TORIWX
INC017-242215-
/O.NEW.KIWX.TO.W.0017.160824T2146Z-160824T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
546 PM EDT WED AUG 24 2016

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA  HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CASS COUNTY IN NORTH CENTRAL INDIANA...

* UNTIL 615 PM EDT
    
* AT 546 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 10 MILES SOUTHWEST OF WALTON...OR 14 MILES
  SOUTH OF LOGANSPORT...MOVING EAST AT 30 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. 

* THIS DANGEROUS STORM WILL BE NEAR...
  WALTON AROUND 605 PM EDT. 
  GRISSOM AFB AROUND 615 PM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
DEACON...GALVESTON AND LINCOLN.

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 YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4056 8637 4063 8637 4067 8617 4056 8616
TIME...MOT...LOC 2146Z 254DEG 26KT 4055 8639 

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

$$

NWS
1 follow-up statement
982 
WWUS53 KIWX 242200
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
600 PM EDT WED AUG 24 2016

INC017-242215-
/O.CON.KIWX.TO.W.0017.000000T0000Z-160824T2215Z/
CASS IN-
600 PM EDT WED AUG 24 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
SOUTHEASTERN CASS COUNTY...
    
AT 559 PM EDT...A CONFIRMED TORNADO WAS LOCATED NEAR GALVESTON...OR
8 MILES SOUTHWEST OF GRISSOM AFB...MOVING EAST AT 30 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...EMERGENCY MANAGEMENT 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 BY THIS TORNADIC THUNDERSTORM INCLUDE GALVESTON
AND LINCOLN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4056 8637 4060 8637 4065 8617 4056 8616
TIME...MOT...LOC 2159Z 256DEG 26KT 4057 8627 

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

$$

NWS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 3:09 PM EDTSpecial Weather StatementIWXMiami36 min
Aug 24, 3:34 PM EDTTornado Warning Tornado observedConsiderable damage threatIWXGrant, Miami26 min
Aug 24, 3:59 PM EDTTornado WarningIWXGrant31 min
Aug 24, 4:30 PM EDTTornado WarningIWXBlackford, Grant, Wells30 min
Aug 24, 4:41 PM EDTSpecial Weather StatementIWXPulaski34 min
Aug 24, 4:59 PM EDTTornado WarningIWXBlackford, Wells31 min
Aug 24, 5:14 PM EDTTornado WarningIWXAllen31 min
Aug 24, 5:25 PM EDTTornado Warning Tornado observedIWXAdams, Wells35 min
Aug 24, 5:39 PM EDTTornado Warning Tornado observedConsiderable damage threatIWXAllen36 min
Aug 24, 5:54 PM EDTTornado Warning Tornado observedIWXAdams36 min
Aug 24, 6:07 PM EDTTornado WarningIWXMiami, Wabash23 min
Aug 24, 6:11 PM EDTTornado WarningIWXMiami34 min
Aug 24, 6:31 PM EDTTornado WarningIWXWabash29 min
Aug 24, 6:32 PM EDTTornado WarningIWXKosciusko, Wabash, Whitley28 min
Aug 24, 6:41 PM EDTTornado WarningIWXGrant, Miami34 min
Aug 24, 6:53 PM EDTSevere Thunderstorm WarningIWXAllen, Huntington, Whitley37 min
Aug 24, 7:05 PM EDTTornado WarningIWXHuntington25 min
Aug 24, 7:25 PM EDTTornado WarningIWXAllen, Wells35 min
Aug 24, 7:32 PM EDTSpecial Weather StatementIWXAllen28 min
Aug 24, 7:50 PM EDTTornado WarningIWXGrant25 min
Aug 24, 7:55 PM EDTAreal Flood AdvisoryIWXAllen, Whitley3 hr

Nearby

Tornado Warnings in Indiana, 2016Every tornado warning in 2016Tornadoes in 2016

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.