Alert archive / Indiana / Tornado Warnings in 2017

Tornado Warning 24, NWS Indianapolis, IN

July 23, 2017Howard County, Indiana

NWS Indianapolis, IN issued this tornado warning at Jul 23, 2017, 4:46 PM EDT for Howard County, Indiana. It was in force for 29 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: Jul 23, 2017, 4:46 PM EDT (20:46 UTC)
Expired: Jul 23, 2017, 5:15 PM EDT
In force: 29 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Howard County, IN

The radar

The Indianapolis radar (KIND), 91 km from the middle of the area, began a volume at 20:43 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

Time	Report	Where	Remark
Jul 23, 4:50 PM EDT	TSTM WND DMG	1 Nw Kokomo, IN	TREE FELL ON VEHICLE. NO INJURIES KNOWN. A FEW TREES DOWN IN THE AREA WITH ONE TREE THAT FELL ON A POWER LINE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.8 hours before the alert went out and 222 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: 333 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 701 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted.

257 
WFUS53 KIND 232046
TORIND
INC067-232115-
/O.NEW.KIND.TO.W.0024.170723T2046Z-170723T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Indianapolis IN
446 PM EDT SUN JUL 23 2017

The National Weather Service in Indianapolis has issued a

* Tornado Warning for...
  Howard County in central Indiana...

* Until 515 PM EDT
    
* At 446 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Kokomo, moving east at 50 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...
  Greentown around 455 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 8586 4041 8586 4040 8613 4041 8625
      4056 8617 4057 8587
TIME...MOT...LOC 2046Z 289DEG 42KT 4050 8610 

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

$$

TDUD

2 follow-up statements

039 
WWUS53 KIND 232102
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
502 PM EDT SUN JUL 23 2017

INC067-232115-
/O.CON.KIND.TO.W.0024.000000T0000Z-170723T2115Z/
Howard IN-
502 PM EDT SUN JUL 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR EASTERN
HOWARD COUNTY...
    
At 502 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Kokomo, moving east at 40 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...
Kokomo, Greentown and Indian Heights. 

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 8586 4041 8586 4040 8613 4042 8615
      4056 8609 4057 8587
TIME...MOT...LOC 2102Z 289DEG 35KT 4046 8604 

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

$$

TDUD

078 
WWUS53 KIND 232112
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
512 PM EDT SUN JUL 23 2017

INC067-232121-
/O.EXP.KIND.TO.W.0024.000000T0000Z-170723T2115Z/
Howard IN-
512 PM EDT SUN JUL 23 2017

...THE TORNADO WARNING FOR EASTERN HOWARD COUNTY WILL EXPIRE AT 515
PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.

LAT...LON 4056 8586 4041 8586 4040 8613 4042 8615
      4056 8609 4057 8587
TIME...MOT...LOC 2111Z 289DEG 42KT 4043 8592 

$$

TDUD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 8:03 PM EDT	Special Weather Statement	IND	Monroe, Owen	42 min
Jul 22, 8:25 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Sullivan, Vigo	21 min
Jul 22, 11:25 PM EDT	Areal Flood Warning	IND	Clay, Greene, Owen, Sullivan, Vigo	3 hr
Jul 22, 11:40 PM EDT	Special Weather Statement	IND	Clay, Greene, Owen, Sullivan	50 min
Jul 23, 12:39 AM EDT	Special Weather Statement	IND	Sullivan	51 min
Jul 23, 1:18 AM EDT	Flash Flood Warning	IND	Clay, Greene, Sullivan, Vigo	3 hr
Jul 23, 1:25 AM EDT	Special Weather Statement	IND	Greene	50 min
Jul 23, 1:38 AM EDT	Special Weather Statement	IND	Knox	52 min
Jul 23, 2:06 AM EDT	Flash Flood Warning	IND	Lawrence, Martin	3 hr
Jul 23, 4:50 AM EDT	Areal Flood Advisory	IND	Lawrence, Martin	3 hr
Jul 23, 6:10 AM EDT	Flash Flood Warning	IND	Daviess, Martin	3 hr
Jul 23, 6:37 AM EDT	Severe Thunderstorm Warning	IND	Knox	38 min
Jul 23, 7:34 AM EDT	Special Weather Statement	IND	Daviess	41 min
Jul 23, 7:52 AM EDT	Areal Flood Warning	IND	Daviess, Knox, Sullivan	3 hr
Jul 23, 8:25 AM EDT	Areal Flood Warning	IND	Daviess, Greene, Lawrence, Martin	3 hr
Jul 23, 9:09 AM EDT	Areal Flood Warning	IND	Daviess, Martin	3 hr
Jul 23, 11:14 AM EDT	River Flood Warning	IND	Knox, Sullivan	4 days
Jul 23, 11:14 AM EDT	River Flood Warning	IND	Knox, Sullivan	4 days
Jul 23, 1:04 PM EDT	Special Weather Statement	IND	Tippecanoe	41 min
Jul 23, 2:36 PM EDT	Special Weather Statement	IND	Hendricks	24 min
Jul 23, 2:56 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion	34 min

Nearby

Tornado Warnings in Indiana, 2017 Every tornado warning in 2017 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.