Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 6, NWS Indianapolis, IN

January 17, 20125 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jan 17, 2012, 7:18 AM EST for 5 counties in Indiana. It was in force for 42 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, 7:18 AM EST (12:18 UTC)
Expired
Jan 17, 2012, 8:00 AM EST
In force
42 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bartholomew County, IN, Brown County, IN, Decatur County, IN, Jackson County, IN, Jennings County, IN

The radar

The Indianapolis radar (KIND), 77 km from the middle of the area, began a volume at 12:22 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 12:00Z, 0.3 hours before the alert went out and 164 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, Cncnati-Daytn, OH at 12:00Z on 2012-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 818 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
818 m²/s²
0-3 km storm-relative helicity
844 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.

547 
WUUS53 KIND 171218
SVRIND
INC005-013-031-071-079-171300-
/O.NEW.KIND.SV.W.0006.120117T1218Z-120117T1300Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BARTHOLOMEW COUNTY IN CENTRAL INDIANA...
  SOUTHEASTERN BROWN COUNTY IN SOUTH CENTRAL INDIANA...
  DECATUR COUNTY IN CENTRAL INDIANA...
  NORTHERN JACKSON COUNTY IN SOUTH CENTRAL INDIANA...
  JENNINGS COUNTY IN SOUTHEAST INDIANA...

* UNTIL 800 AM EST

* AT 717 AM EST...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
  THUNDERSTORMS PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES WEST OF
  OLDENBURG TO 9 MILES NORTH OF NORTH VERNON TO 8 MILES NORTHWEST OF
  BROWNSTOWN...AND MOVING EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SEYMOUR...
  BROWNSTOWN...
  NORTH VERNON...
  VERNON...
  SCIPIO...
  MILLHOUSEN...
  CORTLAND...
  COUNTRY SQUIRE LAKES...
  HAYDEN...
  NEBRASKA...
  BUTLERVILLE...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 45 AND 69.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 129 AND 144.

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 3919 8543 3891 8545 3886 8626 3899 8628
      3903 8630 3935 8567 3935 8563 3937 8563
      3943 8551 3942 8529 3927 8529
TIME...MOT...LOC 1218Z 270DEG 52KT 3934 8530 3914 8558
          3895 8614
WIND...HAIL 60MPH <.75IN

$$

NIELD
3 follow-up statements
102 
WWUS53 KIND 171231
SVSIND

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

INC005-013-031-071-079-171300-
/O.CON.KIND.SV.W.0006.000000T0000Z-120117T1300Z/
BARTHOLOMEW-BROWN-DECATUR-JACKSON-JENNINGS-
731 AM EST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR DECATUR...
SOUTHEASTERN BROWN...BARTHOLOMEW...NORTHERN JACKSON AND JENNINGS
COUNTIES UNTIL 800 AM EST...

AT 726 AM EST...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
THUNDERSTORMS PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES WEST OF
BATESVILLE TO 6 MILES NORTH OF NORTH VERNON TO 8 MILES NORTHWEST OF
BROWNSTOWN...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  SEYMOUR...BROWNSTOWN...NORTH VERNON...VERNON...COUNTRY SQUIRE
  LAKES...NEBRASKA...HAYDEN AND BUTLERVILLE.

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 3919 8543 3891 8545 3886 8626 3899 8628
      3903 8630 3935 8567 3935 8563 3937 8563
      3943 8551 3942 8529 3927 8529
TIME...MOT...LOC 1231Z 270DEG 52KT 3928 8523 3910 8552
          3893 8609
WIND...HAIL 60MPH <.75IN

$$

NIELD
363 
WWUS53 KIND 171245
SVSIND

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

INC005-013-031-071-079-171300-
/O.CON.KIND.SV.W.0006.000000T0000Z-120117T1300Z/
BARTHOLOMEW-BROWN-DECATUR-JACKSON-JENNINGS-
745 AM EST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
DECATUR...SOUTHEASTERN BROWN...SOUTHERN BARTHOLOMEW...NORTHERN
JACKSON AND JENNINGS COUNTIES UNTIL 800 AM EST...

AT 740 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 7 MILES NORTHWEST OF OSGOOD TO NORTH VERNON TO 11 MILES WEST OF
BROWNSTOWN...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  SEYMOUR...BROWNSTOWN...NORTH VERNON...VERNON...NEBRASKA...
  BUTLERVILLE AND HAYDEN.

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 3922 8562 3928 8547 3927 8529 3919 8543
      3891 8545 3886 8626 3899 8628 3903 8630
TIME...MOT...LOC 1246Z 263DEG 50KT 3923 8525 3907 8555
          3893 8613
WIND...HAIL 60MPH <.75IN

$$

NIELD
129 
WWUS53 KIND 171257
SVSIND

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

INC005-013-031-071-079-171307-
/O.EXP.KIND.SV.W.0006.000000T0000Z-120117T1300Z/
BARTHOLOMEW-BROWN-DECATUR-JACKSON-JENNINGS-
757 AM EST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN DECATUR...
SOUTHEASTERN BROWN...SOUTHERN BARTHOLOMEW...NORTHERN JACKSON AND
JENNINGS COUNTIES WILL EXPIRE AT 800 AM EST/700 AM CST/...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY.  HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THESE
THUNDERSTORMS.

LAT...LON 3922 8562 3928 8547 3927 8529 3919 8543
      3891 8545 3886 8626 3899 8628 3903 8630
TIME...MOT...LOC 1257Z 263DEG 50KT 3924 8505 3908 8535
          3895 8594

$$

PUMA

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 3:53 AM ESTSpecial Weather StatementINDCarroll, Tippecanoe52 min
Jan 17, 4:41 AM ESTSpecial Weather StatementINDHoward34 min
Jan 17, 5:55 AM ESTSpecial Weather StatementINDGreene, Owen, Sullivan65 min
Jan 17, 6:10 AM ESTSevere Thunderstorm WarningINDHendricks, Johnson, Marion, Morgan35 min
Jan 17, 6:13 AM ESTSevere Thunderstorm WarningINDBartholomew, Brown, Greene, Lawrence, Monroe, Owen and 1 more62 min
Jan 17, 6:20 AM ESTSevere Thunderstorm WarningINDHamilton, Hancock, Marion25 min
Jan 17, 6:29 AM ESTSevere Thunderstorm WarningINDHancock, Henry, Madison31 min
Jan 17, 6:37 AM ESTSevere Thunderstorm WarningINDDaviess, Greene, Knox, Sullivan68 min
Jan 17, 7:06 AM ESTTornado WarningINDDaviess, Knox24 min
Jan 17, 7:21 AM ESTAreal Flood AdvisoryINDDecatur, Delaware, Hamilton, Hancock, Henry, Johnson and 6 more3 hr
Jan 17, 7:23 AM ESTAreal Flood AdvisoryINDBartholomew, Brown, Daviess, Decatur, Greene, Jackson and 5 more4 hr
Jan 17, 7:27 AM ESTTornado WarningINDDaviess, Greene, Lawrence, Martin48 min
Jan 17, 8:11 AM ESTTornado WarningINDJackson, Lawrence49 min
Jan 17, 8:39 AM ESTSevere Thunderstorm WarningINDJennings21 min
Jan 17, 8:42 AM ESTSevere Thunderstorm WarningINDDaviess, Knox48 min
Jan 17, 9:00 AM ESTSpecial Weather StatementINDJennings30 min
Jan 17, 9:11 AM ESTSevere Thunderstorm WarningINDMartin34 min
Jan 17, 9:24 AM ESTSevere Thunderstorm WarningINDLawrence36 min
Jan 17, 10:05 AM ESTRiver Flood WarningINDJackson, Lawrence, Washington4 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDParke, Vermillion, Vigo51 hr
Jan 17, 10:05 AM ESTRiver Flood WarningINDSullivan, Vigo19 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDKnox, Sullivan23 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDKnox, Sullivan23 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDGibson, Knox, Posey21 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Greene, Knox14 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Greene, Knox4 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Gibson, Knox, Pike16 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Gibson, Knox, Pike19 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDGibson, Knox20 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDFountain, Parke, Tippecanoe, Vermillion, Warren16 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDFountain, Parke, Vermillion, Warren16 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDParke, Vermillion, Vigo18 days
Jan 17, 12:25 PM ESTAreal Flood AdvisoryINDBartholomew, Brown, Daviess, Decatur, Greene, Jackson and 7 more6 hr
Jan 17, 6:31 PM ESTAreal Flood AdvisoryINDBartholomew, Brown, Decatur, Jackson, Jennings, Rush and 1 more4 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2012Every 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.