Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 157, NWS Indianapolis, IN

July 19, 2012Hendricks County, Montgomery County, Putnam County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 19, 2012, 6:29 PM EDT for Hendricks County, Montgomery County, Putnam 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
Jul 19, 2012, 6:29 PM EDT (22:29 UTC)
Expired
Jul 19, 2012, 7:00 PM EDT
In force
31 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hendricks County, IN, Montgomery County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 53 km from the middle of the area, began a volume at 22:30 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 watch it was issued in

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

IssuedProductOfficeLasted
Jul 19, 4:11 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 151 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 2012-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1080 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2012-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.1939Sfc1 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
1080 J/kg
Mixed-layer CIN
-228 J/kg
Mixed-layer LCL
1472 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
111 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.

517 
WUUS53 KIND 192229
SVRIND
INC063-107-133-192300-
/O.NEW.KIND.SV.W.0157.120719T2229Z-120719T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
629 PM EDT THU JUL 19 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN HENDRICKS COUNTY IN CENTRAL INDIANA...
  SOUTHEASTERN MONTGOMERY COUNTY IN WEST CENTRAL INDIANA...
  NORTHERN PUTNAM COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 700 PM EDT

* AT 626 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 14 MILES SOUTH OF
  CRAWFORDSVILLE...AND MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LADOGA...
  ROACHDALE...
  CARPENTERSVILLE...
  BAINBRIDGE...
  GROVELAND...
  NORTH SALEM...
  FILLMORE...
  COATESVILLE...

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 3996 8695 3985 8655 3959 8666 3978 8701
      3987 8701 3987 8702
TIME...MOT...LOC 2230Z 299DEG 21KT 3983 8688
WIND...HAIL 60MPH <.75IN

$$

50
2 follow-up statements
706 
WWUS53 KIND 192246
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
646 PM EDT THU JUL 19 2012

INC107-192256-
/O.CAN.KIND.SV.W.0157.000000T0000Z-120719T2300Z/
MONTGOMERY-
646 PM EDT THU JUL 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY COUNTY
IS CANCELLED...

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

LAT...LON 3987 8677 3987 8670 3989 8669 3985 8655
      3959 8666 3977 8699
TIME...MOT...LOC 2246Z 299DEG 21KT 3978 8677

$$

INC063-133-192300-
/O.CON.KIND.SV.W.0157.000000T0000Z-120719T2300Z/
HENDRICKS-PUTNAM-
646 PM EDT THU JUL 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
HENDRICKS AND NORTHERN PUTNAM COUNTIES UNTIL 700 PM EDT...

AT 644 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 11 MILES NORTH OF GREENCASTLE...OR 19
MILES SOUTH OF CRAWFORDSVILLE...MOVING SOUTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  GROVELAND...NORTH SALEM...FILLMORE AND COATESVILLE.

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 3987 8677 3987 8670 3989 8669 3985 8655
      3959 8666 3977 8699
TIME...MOT...LOC 2246Z 299DEG 21KT 3978 8677
WIND...HAIL 60MPH <.75IN

$$

50
529 
WWUS53 KIND 192259
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
659 PM EDT THU JUL 19 2012

INC063-133-192309-
/O.EXP.KIND.SV.W.0157.000000T0000Z-120719T2300Z/
HENDRICKS-PUTNAM-
659 PM EDT THU JUL 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN HENDRICKS AND NORTHERN
PUTNAM COUNTIES WILL EXPIRE AT 700 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER GUSTY WINDS AROUND 50 MPH ARE STILL POSSIBLE WITH THIS 
THUNDERSTORM.

LAT...LON 3987 8677 3987 8670 3989 8669 3985 8655
      3959 8666 3977 8699
TIME...MOT...LOC 2259Z 299DEG 21KT 3974 8668

$$

50

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 3:19 AM EDTHeat AdvisoryINDBartholomew, Brown, Clay, Daviess, Decatur, Greene and 9 more17 hr
Jul 19, 3:33 PM EDTSpecial Weather StatementINDLawrence27 min
Jul 19, 3:58 PM EDTSpecial Weather StatementINDMonroe32 min
Jul 19, 4:13 PM EDTSpecial Weather StatementINDJackson32 min
Jul 19, 4:28 PM EDTSevere Thunderstorm WarningINDJackson, Lawrence47 min
Jul 19, 4:40 PM EDTSpecial Weather StatementINDDaviess50 min
Jul 19, 4:54 PM EDTSpecial Weather StatementINDJennings36 min
Jul 19, 5:23 PM EDTSpecial Weather StatementINDTippecanoe37 min
Jul 19, 5:50 PM EDTSpecial Weather StatementINDFountain25 min
Jul 19, 5:59 PM EDTSevere Thunderstorm WarningINDClinton, Montgomery, Tippecanoe31 min
Jul 19, 6:16 PM EDTSpecial Weather StatementINDParke29 min
Jul 19, 6:32 PM EDTSevere Thunderstorm WarningINDBoone, Clinton28 min
Jul 19, 7:17 PM EDTSpecial Weather StatementINDHamilton28 min
Jul 19, 7:48 PM EDTSevere Thunderstorm WarningINDHancock, Marion, Rush, Shelby27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.