Alert archive / Indiana / Tornado Warnings in 2017

Tornado Warning 25, NWS Indianapolis, IN

August 3, 2017Carroll County, Howard County, Indiana

NWS Indianapolis, IN issued this tornado warning at Aug 3, 2017, 6:16 PM EDT for Carroll County, Howard County, Indiana. It was in force for 17 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 3, 2017, 6:16 PM EDT (22:16 UTC)
Expired
Aug 3, 2017, 6:33 PM EDT
In force
17 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Carroll County, IN, Howard County, IN

The radar

The Indianapolis radar (KIND), 95 km from the middle of the area, began a volume at 22:16 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

Lincoln, IL (KILX), launched 12:00Z, 10.3 hours before the alert went out and 201 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 2017-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 668 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 2017-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
668 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

932 
WFUS53 KIND 032216
TORIND
INC015-067-032245-
/O.NEW.KIND.TO.W.0025.170803T2216Z-170803T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Indianapolis IN
616 PM EDT THU AUG 3 2017

The National Weather Service in Indianapolis has issued a

* Tornado Warning for...
  East central Carroll County in north central Indiana...
  Northwestern Howard County in central Indiana...

* Until 645 PM EDT
    
* At 616 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles southwest of Walton, or 13 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...
  Kokomo around 645 PM EDT. 

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 4056 8603 4050 8600 4047 8642
      4061 8647 4065 8637
TIME...MOT...LOC 2216Z 256DEG 25KT 4055 8639 

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

$$

MK
1 follow-up statement
663 
WWUS53 KIND 032233
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
633 PM EDT THU AUG 3 2017

INC015-067-032243-
/O.CAN.KIND.TO.W.0025.000000T0000Z-170803T2245Z/
Carroll IN-Howard IN-
633 PM EDT THU AUG 3 2017

...THE TORNADO WARNING FOR EAST CENTRAL CARROLL AND NORTHWESTERN
HOWARD COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

LAT...LON 4056 8637 4056 8603 4050 8600 4047 8642
      4061 8647 4065 8637
TIME...MOT...LOC 2231Z 256DEG 25KT 4058 8624 

$$

MK

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 3, 6:08 PM EDTSpecial Weather StatementINDHoward52 min

Nearby

Tornado Warnings in Indiana, 2017Every tornado warning in 2017Tornadoes in 2017

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.