Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 172, NWS Indianapolis, IN

July 27, 20125 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 27, 2012, 4:16 PM EDT for 5 counties in Indiana. It was in force for 29 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 27, 2012, 4:16 PM EDT (20:16 UTC)
Expired
Jul 27, 2012, 4:45 PM EDT
In force
29 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Boone County, IN, Hamilton County, IN, Hancock County, IN, Madison County, IN, Marion County, IN

The radar

The Indianapolis radar (KIND), 44 km from the middle of the area, began a volume at 20:19 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 27, 2:43 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.3 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, Cncnati-Daytn, OH at 12:00Z on 2012-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 863 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2012-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
863 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
10 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.

591 
WUUS53 KIND 272016
SVRIND
INC011-057-059-095-097-272045-
/O.NEW.KIND.SV.W.0172.120727T2016Z-120727T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
416 PM EDT FRI JUL 27 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BOONE COUNTY IN CENTRAL INDIANA...
  SOUTHERN HAMILTON COUNTY IN CENTRAL INDIANA...
  NORTHWESTERN HANCOCK COUNTY IN CENTRAL INDIANA...
  SOUTHWESTERN MADISON COUNTY IN CENTRAL INDIANA...
  NORTHERN MARION COUNTY IN CENTRAL INDIANA...

* UNTIL 445 PM EDT

* AT 414 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  ZIONSVILLE...OR 15 MILES NORTH OF INDIANAPOLIS...AND MOVING EAST AT
  40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CARMEL...
  FISHERS...
  NOBLESVILLE...
  MERIDIAN HILLS...
  WILLIAMS CREEK...
  WESTFIELD...
  CASTLETON...
  GEIST RESERVOIR...
  MCCORDSVILLE...
  LAPEL...
  INGALLS...
  FORTVILLE...
  PENDLETON...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 125 AND 127.

THIS INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 0 AND 21.

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 4014 8574 3988 8572 3988 8632 4009 8636
TIME...MOT...LOC 2016Z 264DEG 33KT 3999 8622
WIND...HAIL 60MPH 1.00IN

$$

HOMANN/SMF
3 follow-up statements
035 
WWUS53 KIND 272027
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
427 PM EDT FRI JUL 27 2012

INC011-057-059-095-097-272045-
/O.CON.KIND.SV.W.0172.000000T0000Z-120727T2045Z/
BOONE-HAMILTON-HANCOCK-MADISON-MARION-
427 PM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
BOONE...SOUTHERN HAMILTON...NORTHWESTERN HANCOCK...SOUTHWESTERN
MADISON AND NORTHERN MARION COUNTIES UNTIL 445 PM EDT...

AT 423 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
ZIONSVILLE...OR 15 MILES NORTH OF INDIANAPOLIS...MOVING EAST AT 35
MPH.

LOCATIONS IMPACTED INCLUDE...
  CARMEL...FISHERS...NOBLESVILLE...WESTFIELD...CASTLETON...GEIST
  RESERVOIR...LAPEL...MCCORDSVILLE...FORTVILLE...INGALLS AND
  PENDLETON.

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 4014 8574 3988 8572 3988 8632 4009 8636
TIME...MOT...LOC 2027Z 263DEG 31KT 3999 8616
WIND...HAIL 60MPH 1.00IN

$$

HOMANN/SMF
122 
WWUS53 KIND 272032
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
432 PM EDT FRI JUL 27 2012

INC011-272042-
/O.CAN.KIND.SV.W.0172.000000T0000Z-120727T2045Z/
BOONE-
432 PM EDT FRI JUL 27 2012

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

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

LAT...LON 3992 8623 4010 8624 4014 8574 3988 8572
TIME...MOT...LOC 2032Z 263DEG 31KT 3999 8611

$$

INC057-059-095-097-272045-
/O.CON.KIND.SV.W.0172.000000T0000Z-120727T2045Z/
HAMILTON-HANCOCK-MADISON-MARION-
432 PM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
HAMILTON...NORTHWESTERN HANCOCK...SOUTHWESTERN MADISON AND
NORTHEASTERN MARION COUNTIES UNTIL 445 PM EDT...

AT 428 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
CARMEL...OR 14 MILES NORTH OF INDIANAPOLIS...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  FISHERS...NOBLESVILLE...CASTLETON...GEIST RESERVOIR...
  MCCORDSVILLE...FORTVILLE...LAPEL...INGALLS AND PENDLETON.

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 3992 8623 4010 8624 4014 8574 3988 8572
TIME...MOT...LOC 2032Z 263DEG 31KT 3999 8611
WIND...HAIL 60MPH 1.00IN

$$

HOMANN/SMF
444 
WWUS53 KIND 272039
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
439 PM EDT FRI JUL 27 2012

INC059-097-272049-
/O.CAN.KIND.SV.W.0172.000000T0000Z-120727T2045Z/
HANCOCK-MARION-
439 PM EDT FRI JUL 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HANCOCK AND
NORTHEASTERN MARION COUNTIES IS CANCELLED...

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

LAT...LON 3995 8572 3993 8614 4011 8616 4014 8574
TIME...MOT...LOC 2039Z 263DEG 31KT 4000 8604

$$

INC057-095-272045-
/O.CON.KIND.SV.W.0172.000000T0000Z-120727T2045Z/
HAMILTON-MADISON-
439 PM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
HAMILTON AND SOUTHWESTERN MADISON COUNTIES UNTIL 445 PM EDT...

AT 437 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
CARMEL...OR 16 MILES NORTH OF INDIANAPOLIS...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  NOBLESVILLE...LAPEL...INGALLS AND PENDLETON.

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 3995 8572 3993 8614 4011 8616 4014 8574
TIME...MOT...LOC 2039Z 263DEG 31KT 4000 8604
WIND...HAIL 60MPH 1.00IN

$$

HOMANN/SMF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 1:15 PM EDTSpecial Weather StatementINDPutnam30 min
Jul 27, 2:16 PM EDTSpecial Weather StatementINDMarion29 min
Jul 27, 2:22 PM EDTSevere Thunderstorm WarningINDHamilton, Madison, Marion23 min
Jul 27, 2:45 PM EDTSevere Thunderstorm WarningINDDelaware, Hancock, Henry, Madison30 min
Jul 27, 2:49 PM EDTSevere Thunderstorm WarningINDClay, Parke, Putnam, Vigo26 min
Jul 27, 3:13 PM EDTSevere Thunderstorm WarningINDClay, Hendricks, Morgan, Parke, Putnam47 min
Jul 27, 3:40 PM EDTSevere Thunderstorm WarningINDHamilton, Hendricks, Johnson, Marion, Morgan50 min
Jul 27, 3:42 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur35 min
Jul 27, 4:08 PM EDTSevere Thunderstorm WarningINDBrown, Monroe52 min
Jul 27, 4:08 PM EDTSevere Thunderstorm WarningINDHamilton, Madison, Tipton37 min
Jul 27, 4:28 PM EDTSevere Thunderstorm WarningINDBrown, Jackson, Monroe47 min
Jul 27, 4:36 PM EDTSevere Thunderstorm WarningINDHancock, Rush, Shelby24 min
Jul 27, 4:38 PM EDTSevere Thunderstorm WarningINDGreene, Lawrence37 min
Jul 27, 4:51 PM EDTSevere Thunderstorm WarningINDBartholomew, Brown, Jackson39 min
Jul 27, 5:05 PM EDTSpecial Weather StatementINDMarion25 min
Jul 27, 5:19 PM EDTSevere Thunderstorm WarningINDHancock, Marion, Shelby26 min
Jul 27, 5:21 PM EDTSevere Thunderstorm WarningINDGreene, Lawrence, Monroe24 min
Jul 27, 5:41 PM EDTSevere Thunderstorm WarningINDJennings14 min
Jul 27, 5:52 PM EDTSevere Thunderstorm WarningINDLawrence38 min
Jul 27, 6:16 PM EDTSevere Thunderstorm WarningINDJackson, Lawrence29 min
Jul 27, 6:30 PM EDTSevere Thunderstorm WarningINDLawrence45 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.