Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 60, NWS Indianapolis, IN

March 30, 2012Boone County, Hamilton County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 30, 2012, 4:18 PM EDT for Boone County, Hamilton County, Indiana. It was in force for 18 min. 2 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
Mar 30, 2012, 4:18 PM EDT (20:18 UTC)
Expired
Mar 30, 2012, 4:36 PM EDT
In force
18 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Boone County, IN, Hamilton County, IN

The radar

The Indianapolis radar (KIND), 32 km from the middle of the area, began a volume at 20:22 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
Mar 30, 4:24 PM EDTHAIL 0.25Lebanon, IN
Mar 30, 4:39 PM EDTHAIL 0.7Sheridan, 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
Mar 30, 3:24 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 203 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 2012-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 164 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 2012-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 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
164 J/kg
Mixed-layer CIN
-244 J/kg
Mixed-layer LCL
1045 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
230 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.

815 
WUUS53 KIND 302018
SVRIND
INC011-057-302100-
/O.NEW.KIND.SV.W.0060.120330T2018Z-120330T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
418 PM EDT FRI MAR 30 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

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

* UNTIL 500 PM EDT

* AT 417 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE   
THUNDERSTORM PRODUCING QUARTER SIZE HAIL NEAR ADVANCE. THIS STORM 
WAS LOCATED NEAR LEBANON...OR 18 MILES SOUTH OF FRANKFORT...AND 
MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ZIONSVILLE...
  CARMEL...
  NOBLESVILLE...
  FISHERS...
  ULEN...
  WHITESTOWN...
  SHERIDAN...
  WESTFIELD...
  MORSE RESERVOIR...
  CICERO...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 129 AND 144.

THIS INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 4 AND 12.

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 3993 8587 3992 8654 3992 8659 4010 8661
      4018 8589
TIME...MOT...LOC 2018Z 265DEG 27KT 4002 8647
WIND...HAIL <50MPH 1.00IN

$$

KOCH
1 follow-up statement
843 
WWUS53 KIND 302036
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
436 PM EDT FRI MAR 30 2012

INC011-057-302046-
/O.CAN.KIND.SV.W.0060.000000T0000Z-120330T2100Z/
BOONE-HAMILTON-
436 PM EDT FRI MAR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BOONE AND HAMILTON 
COUNTIES IS CANCELLED...

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...GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE 
WITH THIS THUNDERSTORM.

IN ADDITION...SEVERE THUNDERSTORMS MAY REDEVELOP. A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 11 PM EDT.

LAT...LON 3993 8587 3992 8654 3992 8659 4010 8661
      4018 8589
TIME...MOT...LOC 2036Z 265DEG 27KT 4003 8629

$$

RYAN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 3:47 PM EDTSevere Thunderstorm WarningINDMontgomery, Parke, Putnam43 min
Mar 30, 4:26 PM EDTSevere Thunderstorm WarningINDBoone, Hendricks, Marion, Montgomery, Putnam49 min
Mar 30, 4:29 PM EDTSevere Thunderstorm WarningINDHendricks, Parke, Putnam46 min
Mar 30, 4:41 PM EDTSevere Thunderstorm WarningINDClay, Owen, Parke, Putnam, Vigo49 min
Mar 30, 4:46 PM EDTSevere Thunderstorm WarningINDDelaware, Hamilton, Madison, Tipton44 min
Mar 30, 5:00 PM EDTSevere Thunderstorm WarningINDHendricks, Johnson, Marion, Morgan, Shelby45 min
Mar 30, 5:13 PM EDTSevere Thunderstorm WarningINDHendricks, Morgan, Putnam47 min
Mar 30, 5:14 PM EDTSevere Thunderstorm WarningINDHancock, Hendricks, Marion, Shelby46 min
Mar 30, 5:16 PM EDTSevere Thunderstorm WarningINDHamilton, Hancock, Henry, Madison44 min
Mar 30, 5:20 PM EDTSevere Thunderstorm WarningINDDelaware, Randolph40 min
Mar 30, 5:22 PM EDTSevere Thunderstorm WarningINDRandolph11 min
Mar 30, 5:27 PM EDTSevere Thunderstorm WarningINDDelaware24 min
Mar 30, 5:38 PM EDTSevere Thunderstorm WarningINDDelaware, Randolph52 min
Mar 30, 5:43 PM EDTSevere Thunderstorm WarningINDClay, Owen, Putnam47 min
Mar 30, 5:45 PM EDTSevere Thunderstorm WarningINDJohnson, Marion, Morgan, Shelby45 min
Mar 30, 5:54 PM EDTSevere Thunderstorm WarningINDBartholomew, Brown, Johnson, Morgan, Owen, Putnam and 1 more51 min
Mar 30, 6:00 PM EDTSevere Thunderstorm WarningINDHancock, Henry, Rush, Shelby45 min
Mar 30, 6:04 PM EDTAreal Flood AdvisoryINDHendricks, Johnson, Marion, Morgan, Putnam116 min
Mar 30, 6:16 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur, Rush, Shelby44 min
Mar 30, 6:35 PM EDTAreal Flood AdvisoryINDClay, Johnson, Morgan, Owen, Shelby2 hr
Mar 30, 6:56 PM EDTSevere Thunderstorm WarningINDDecatur, Rush21 min
Mar 30, 7:39 PM EDTSevere Thunderstorm WarningINDKnox15 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.