Alert archive / Indiana / Tornado Warnings in 2010

Tornado Warning 41, NWS Indianapolis, IN

August 4, 2010Howard County, Indiana

NWS Indianapolis, IN issued this tornado warning at Aug 4, 2010, 12:31 AM EDT for Howard County, Indiana. It was in force for 14 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: Aug 4, 2010, 12:31 AM EDT (04:31 UTC)
Expired: Aug 4, 2010, 12:45 AM EDT
In force: 14 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon

County Howard County, IN

The radar

The Indianapolis radar (KIND), 95 km from the middle of the area, began a volume at 04:34 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
Aug 4, 12:40 AM EDT	TSTM WND DMG	Greentown, IN	TWO TREES DOWN AND ONE BLOCKING A ROAD. ROOFING BLOWN OFF OF A BARN.

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 00:00Z, 4.5 hours before the alert went out and 217 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: 175 J/kg
Mixed-layer CIN: -203 J/kg
Mixed-layer LCL: 1411 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 159 m²/s²
0-3 km storm-relative helicity: 206 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

772 
WFUS53 KIND 040431
TORIND
INC067-040445-
/O.NEW.KIND.TO.W.0041.100804T0431Z-100804T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1231 AM EDT WED AUG 4 2010

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN HOWARD COUNTY IN CENTRAL INDIANA...

* UNTIL 1245 AM EDT

* AT 1229 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 8 MILES WEST OF SWAYZEE...OR 9 MILES NORTHEAST OF
  KOKOMO...AND MOVING EAST AT 25 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  CONVERSE AROUND 1240 AM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO 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.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 4058 8586 4052 8586 4043 8586 4042 8586
      4045 8609 4058 8607 4058 8587
TIME...MOT...LOC 0431Z 277DEG 22KT 4053 8596

$$
JH

1 follow-up statement

861 
WWUS53 KIND 040446
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1246 AM EDT WED AUG 4 2010

INC067-040456-
/O.EXP.KIND.TO.W.0041.000000T0000Z-100804T0445Z/
HOWARD-
1246 AM EDT WED AUG 4 2010

...THE TORNADO WARNING FOR EASTERN HOWARD COUNTY HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

LAT...LON 4058 8586 4052 8586 4043 8586 4042 8586
      4045 8609 4058 8607 4058 8587
TIME...MOT...LOC 0431Z 277DEG 22KT 4053 8596

$$
JH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 1:06 AM EDT	Severe Thunderstorm Warning	IND	Carroll	24 min
Aug 4, 1:36 AM EDT	Severe Thunderstorm Warning	IND	Carroll, Howard, Tipton	24 min
Aug 4, 1:44 AM EDT	Areal Flood Warning	IND	Carroll	4 hr
Aug 4, 2:01 AM EDT	Severe Thunderstorm Warning	IND	Clinton, Howard, Tipton	29 min
Aug 4, 5:30 AM EDT	Excessive Heat Warning	IND	Bartholomew, Brown, Clay, Daviess, Decatur, Greene and 11 more	15 hr
Aug 4, 11:16 AM EDT	Special Weather Statement	IND	Delaware, Randolph	59 min
Aug 4, 11:49 AM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	41 min
Aug 4, 12:30 PM EDT	Special Weather Statement	IND	Randolph	15 min
Aug 4, 1:34 PM EDT	Special Weather Statement	IND	Rush	41 min
Aug 4, 4:41 PM EDT	Special Weather Statement	IND	Warren	49 min
Aug 4, 5:31 PM EDT	Special Weather Statement	IND	Tippecanoe, Warren	44 min
Aug 4, 6:20 PM EDT	Special Weather Statement	IND	Tippecanoe	40 min
Aug 4, 6:23 PM EDT	Special Weather Statement	IND	Warren	37 min
Aug 4, 6:30 PM EDT	Special Weather Statement	IND	Howard	45 min
Aug 4, 6:45 PM EDT	Special Weather Statement	IND	Clinton, Fountain, Tippecanoe	45 min
Aug 4, 6:50 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Fountain, Montgomery, Tippecanoe	40 min
Aug 4, 7:23 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Hamilton, Hendricks, Marion, Montgomery and 1 more	52 min
Aug 4, 7:27 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Parke, Putnam	48 min

Nearby

Tornado Warnings in Indiana, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.