Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 4, NWS Indianapolis, IN

January 17, 2012Hancock County, Henry County, Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jan 17, 2012, 6:29 AM EST for Hancock County, Henry County, Madison County, Indiana. It was in force for 31 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: Jan 17, 2012, 6:29 AM EST (11:29 UTC)
Expired: Jan 17, 2012, 7:00 AM EST
In force: 31 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Hancock County, IN, Henry County, IN, Madison County, IN

The radar

The Indianapolis radar (KIND), 58 km from the middle of the area, began a volume at 11:30 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 11.5 hours before the alert went out and 168 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 779 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 587 m²/s²
0-3 km storm-relative helicity: 671 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

370 
WUUS53 KIND 171129
SVRIND
INC059-065-095-171200-
/O.NEW.KIND.SV.W.0004.120117T1129Z-120117T1200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
629 AM EST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HANCOCK COUNTY IN CENTRAL INDIANA...
  WESTERN HENRY COUNTY IN EAST CENTRAL INDIANA...
  SOUTHERN MADISON COUNTY IN CENTRAL INDIANA...

* UNTIL 700 AM EST

* AT 626 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR LAWRENCE...OR 13 MILES EAST
  OF INDIANAPOLIS...AND MOVING EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GREENFIELD...
  FORTVILLE...
  INGALLS...
  WILKINSON...
  MARKLEVILLE...
  SHIRLEY...
  KENNARD...
  GREENSBORO...
  CADIZ...
  SPICELAND...
  SULPHUR SPRINGS...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 95 AND 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3981 8540 3977 8594 3993 8593 3993 8587
      3995 8586 4008 8542 4007 8541
TIME...MOT...LOC 1129Z 253DEG 51KT 3985 8586
WIND...HAIL 60MPH <.75IN

$$

NIELD

2 follow-up statements

583 
WWUS53 KIND 171147
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
647 AM EST TUE JAN 17 2012

INC059-065-095-171200-
/O.CON.KIND.SV.W.0004.000000T0000Z-120117T1200Z/
HANCOCK-HENRY-MADISON-
647 AM EST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
HANCOCK...WESTERN HENRY AND SOUTHEASTERN MADISON COUNTIES UNTIL 700
AM EST...

AT 644 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 11 MILES WEST OF NEW CASTLE...OR 14
MILES SOUTHEAST OF ANDERSON...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  GREENSBORO...CADIZ...SPICELAND AND SULPHUR SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3978 8573 3997 8573 4008 8543 4007 8541
      3981 8540
TIME...MOT...LOC 1148Z 253DEG 51KT 3993 8551
WIND...HAIL 60MPH <.75IN

$$

NIELD

560 
WWUS53 KIND 171156
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
656 AM EST TUE JAN 17 2012

INC059-065-095-171206-
/O.EXP.KIND.SV.W.0004.000000T0000Z-120117T1200Z/
HANCOCK-HENRY-MADISON-
656 AM EST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HANCOCK...WESTERN
HENRY AND SOUTHEASTERN MADISON COUNTIES WILL EXPIRE AT 700 AM EST...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER SMALL HAIL AND GUSTY WINDS UP TO 45 MPH ARE STILL POSSIBLE 
WITH THIS THUNDERSTORM.

LAT...LON 3978 8573 3997 8573 4008 8543 4007 8541
      3981 8540
TIME...MOT...LOC 1156Z 253DEG 51KT 3976 8530

$$

NIELD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 17, 3:53 AM EST	Special Weather Statement	IND	Carroll, Tippecanoe	52 min
Jan 17, 4:41 AM EST	Special Weather Statement	IND	Howard	34 min
Jan 17, 5:55 AM EST	Special Weather Statement	IND	Greene, Owen, Sullivan	65 min
Jan 17, 6:10 AM EST	Severe Thunderstorm Warning	IND	Hendricks, Johnson, Marion, Morgan	35 min
Jan 17, 6:13 AM EST	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Greene, Lawrence, Monroe, Owen and 1 more	62 min
Jan 17, 6:20 AM EST	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Marion	25 min
Jan 17, 6:37 AM EST	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox, Sullivan	68 min
Jan 17, 7:06 AM EST	Tornado Warning	IND	Daviess, Knox	24 min
Jan 17, 7:18 AM EST	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	42 min
Jan 17, 7:21 AM EST	Areal Flood Advisory	IND	Decatur, Delaware, Hamilton, Hancock, Henry, Johnson and 6 more	3 hr
Jan 17, 7:23 AM EST	Areal Flood Advisory	IND	Bartholomew, Brown, Daviess, Decatur, Greene, Jackson and 5 more	4 hr
Jan 17, 7:27 AM EST	Tornado Warning	IND	Daviess, Greene, Lawrence, Martin	48 min
Jan 17, 8:11 AM EST	Tornado Warning	IND	Jackson, Lawrence	49 min
Jan 17, 8:39 AM EST	Severe Thunderstorm Warning	IND	Jennings	21 min
Jan 17, 8:42 AM EST	Severe Thunderstorm Warning	IND	Daviess, Knox	48 min
Jan 17, 9:00 AM EST	Special Weather Statement	IND	Jennings	30 min
Jan 17, 9:11 AM EST	Severe Thunderstorm Warning	IND	Martin	34 min
Jan 17, 9:24 AM EST	Severe Thunderstorm Warning	IND	Lawrence	36 min
Jan 17, 10:05 AM EST	River Flood Warning	IND	Jackson, Lawrence, Washington	4 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Parke, Vermillion, Vigo	51 hr
Jan 17, 10:05 AM EST	River Flood Warning	IND	Sullivan, Vigo	19 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Knox, Sullivan	23 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Knox, Sullivan	23 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Gibson, Knox, Posey	21 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Daviess, Greene, Knox	14 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Daviess, Greene, Knox	4 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	16 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	19 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Gibson, Knox	20 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Fountain, Parke, Tippecanoe, Vermillion, Warren	16 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Fountain, Parke, Vermillion, Warren	16 days
Jan 17, 10:05 AM EST	River Flood Warning	IND	Parke, Vermillion, Vigo	18 days
Jan 17, 12:25 PM EST	Areal Flood Advisory	IND	Bartholomew, Brown, Daviess, Decatur, Greene, Jackson and 7 more	6 hr
Jan 17, 6:31 PM EST	Areal Flood Advisory	IND	Bartholomew, Brown, Decatur, Jackson, Jennings, Rush and 1 more	4 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 Every severe thunderstorm warning in 2012

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.