Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 124, NWS Indianapolis, IN

June 29, 2012Boone County, Hamilton County, Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 29, 2012, 3:20 PM EDT for Boone County, Hamilton County, Marion County, Indiana. It was in force for 40 min. 7 reports 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
Jun 29, 2012, 3:20 PM EDT (19:20 UTC)
Expired
Jun 29, 2012, 4:00 PM EDT
In force
40 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Boone County, IN, Hamilton County, IN, Marion County, IN

The radar

The Indianapolis radar (KIND), 31 km from the middle of the area, began a volume at 19:22 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.

What was reported inside it

TimeReportWhereRemark
Jun 29, 3:30 PM EDTTSTM WND DMG3 Ne Fishers, INPOWER OUT FROM OUTFLOW WINDS AT SR37 AND 146TH ST.
Jun 29, 3:40 PM EDTFUNNEL CLOUD2 Nw Lebanon, INSLIGHT ROTATION OBSERVED
Jun 29, 3:50 PM EDTTSTM WND GST 40Westfield, INWIND BLOWN RAIN RESTRICTED VISIBILITY TO UNDER 100 YARDS
Jun 29, 3:53 PM EDTTSTM WND GST 55Carmel, IN
Jun 29, 4:05 PM EDTTSTM WND DMGWestfield, INONE TREE DOWN ABOUT 1 FOOT IN DIAMETER
Jun 29, 4:10 PM EDTHAIL 0.25Carmel, IN
Jun 29, 4:10 PM EDTHAIL 0.5Fishers, IN

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 29, 11:49 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.3 hours before the alert went out and 198 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 2012-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4040 joules per kilogram.LCLLFCEL10008507005003002001001 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, Lincoln, IL at 12:00Z on 2012-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 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
4040 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
1426 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

811 
WUUS53 KIND 291920
SVRIND
INC011-057-097-292000-
/O.NEW.KIND.SV.W.0124.120629T1920Z-120629T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
320 PM EDT FRI JUN 29 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BOONE COUNTY IN CENTRAL INDIANA...
  SOUTHERN HAMILTON COUNTY IN CENTRAL INDIANA...
  NORTHWESTERN MARION COUNTY IN CENTRAL INDIANA...

* UNTIL 400 PM EDT

* AT 317 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES NORTHEAST OF LEBANON...
  OR 12 MILES SOUTHEAST OF FRANKFORT...AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ZIONSVILLE...
  CARMEL...
  FISHERS...
  WHITESTOWN...
  WYNNEDALE...
  SPRING HILL...
  WESTFIELD...
  CROWS NEST...
  ROCKY RIPPLE...
  NORTH CROWS NEST...
  MERIDIAN HILLS...
  WILLIAMS CREEK...
  BROAD RIPPLE...
  CASTLETON...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 116 AND 146.

THIS INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 0 AND 9.

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 3998 8592 3981 8618 3988 8633 3992 8633
      3992 8642 4001 8660 4018 8648 4018 8637
TIME...MOT...LOC 1920Z 280DEG 26KT 4012 8639
WIND...HAIL 60MPH <.75IN

$$

KOCH
2 follow-up statements
821 
WWUS53 KIND 291932
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
332 PM EDT FRI JUN 29 2012

INC011-057-097-292000-
/O.CON.KIND.SV.W.0124.000000T0000Z-120629T2000Z/
BOONE-HAMILTON-MARION-
332 PM EDT FRI JUN 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR BOONE...
SOUTHERN HAMILTON AND NORTHWESTERN MARION COUNTIES UNTIL 400 PM
EDT...

AT 331 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 10 MILES EAST OF LEBANON...OR 17
MILES SOUTHEAST OF FRANKFORT...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  ZIONSVILLE...CARMEL...FISHERS...WYNNEDALE...SPRING HILL...
  WESTFIELD...CROWS NEST...ROCKY RIPPLE...NORTH CROWS NEST...MERIDIAN
  HILLS...WILLIAMS CREEK...BROAD RIPPLE AND CASTLETON.

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.

WIND DAMAGE WITH THIS STORM MAY OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3998 8592 3981 8618 3988 8633 3992 8633
      3992 8642 4001 8660 4018 8648 4018 8637
TIME...MOT...LOC 1932Z 280DEG 26KT 4010 8628
WIND...HAIL 60MPH <.75IN

$$

HOMANN/KOCH
896 
WWUS53 KIND 291941
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
341 PM EDT FRI JUN 29 2012

INC011-057-097-292000-
/O.CON.KIND.SV.W.0124.000000T0000Z-120629T2000Z/
BOONE-HAMILTON-MARION-
341 PM EDT FRI JUN 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR BOONE...
SOUTHERN HAMILTON AND NORTHWESTERN MARION COUNTIES UNTIL 400 PM
EDT...

AT 335 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 7 MILES NORTH OF ZIONSVILLE...OR 19
MILES SOUTHEAST OF FRANKFORT...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  ZIONSVILLE...CARMEL...FISHERS...WYNNEDALE...SPRING HILL...
  WESTFIELD...CROWS NEST...ROCKY RIPPLE...NORTH CROWS NEST...MERIDIAN
  HILLS...WILLIAMS CREEK...BROAD RIPPLE AND CASTLETON.

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.

WIND DAMAGE WITH THIS STORM MAY OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3998 8592 3981 8618 3988 8633 3992 8633
      3992 8642 4001 8660 4018 8648 4018 8637
TIME...MOT...LOC 1941Z 280DEG 26KT 4004 8627
WIND...HAIL 60MPH <.75IN

$$

HOMANN/KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 4:19 AM EDTHeat AdvisoryINDBoone, Carroll, Clinton, Delaware, Hamilton, Henry and 6 more9 hr
Jun 29, 2:36 PM EDTSpecial Weather StatementINDTippecanoe, Warren39 min
Jun 29, 2:50 PM EDTSevere Thunderstorm WarningINDCarroll, Clinton, Tippecanoe40 min
Jun 29, 2:59 PM EDTSevere Thunderstorm WarningINDHoward, Tipton46 min
Jun 29, 3:02 PM EDTSevere Thunderstorm WarningINDBoone, Clinton, Fountain, Montgomery, Tippecanoe43 min
Jun 29, 3:05 PM EDTSevere Thunderstorm WarningINDBoone, Clinton, Hamilton, Tipton40 min
Jun 29, 3:11 PM EDTSevere Thunderstorm WarningINDDelaware, Henry, Madison, Tipton49 min
Jun 29, 3:32 PM EDTSevere Thunderstorm WarningINDFountain, Vermillion, Warren43 min
Jun 29, 3:36 PM EDTSevere Thunderstorm WarningINDHamilton, Hancock, Henry, Madison, Rush39 min
Jun 29, 3:44 PM EDTSevere Thunderstorm WarningINDDelaware, Henry, Randolph46 min
Jun 29, 3:52 PM EDTSevere Thunderstorm WarningINDHenry, Rush38 min
Jun 29, 4:03 PM EDTSevere Thunderstorm WarningINDHancock, Hendricks, Johnson, Marion, Morgan, Rush and 1 more42 min
Jun 29, 4:11 PM EDTSevere Thunderstorm WarningINDHamilton, Hancock, Marion49 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.