Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 61, NWS Indianapolis, IN

March 30, 20125 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 30, 2012, 4:26 PM EDT for 5 counties in Indiana. It was in force for 49 min. 5 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, 4:26 PM EDT (20:26 UTC)
Expired: Mar 30, 2012, 5:15 PM EDT
In force: 49 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Boone County, IN, Hendricks County, IN, Marion County, IN, Montgomery County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 23 km from the middle of the area, began a volume at 20:26 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

Time	Report	Where
Mar 30, 4:40 PM EDT	HAIL 0.7	4 E Bainbridge, IN
Mar 30, 5:02 PM EDT	TSTM WND GST 60	2 Nw Danville, IN
Mar 30, 5:02 PM EDT	HAIL 1.75	2 Nw Danville, IN
Mar 30, 5:04 PM EDT	HAIL 0.25	Avon, IN
Mar 30, 5:07 PM EDT	HAIL 0.25	1 N Danville, 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.

Issued	Product	Office	Lasted
Mar 30, 3:24 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.4 hours before the alert went out and 187 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

693 
WUUS53 KIND 302026
SVRIND
INC011-063-097-107-133-302115-
/O.NEW.KIND.SV.W.0061.120330T2026Z-120330T2115Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHERN BOONE COUNTY IN CENTRAL INDIANA...
  NORTHERN HENDRICKS COUNTY IN CENTRAL INDIANA...
  NORTHWESTERN MARION COUNTY IN CENTRAL INDIANA...
  SOUTHEASTERN MONTGOMERY COUNTY IN WEST CENTRAL INDIANA...
  NORTHERN PUTNAM COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 515 PM EDT

* AT 422 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 13
  MILES SOUTH OF CRAWFORDSVILLE...AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  DANVILLE...
  BROWNSBURG...
  SPEEDWAY...
  BAINBRIDGE...
  CARPENTERSVILLE...
  ROACHDALE...
  LADOGA...
  GROVELAND...
  NORTH SALEM...
  JAMESTOWN...
  LIZTON...
  PITTSBORO...
  AVON...
  EAGLE CREEK RESERVOIR...
  CLERMONT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 119 AND 129.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 74 AND 76.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 53 AND 73.

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 8624 3992 8624 3992 8622 3972 8623
      3976 8694 3994 8695
TIME...MOT...LOC 2026Z 270DEG 26KT 3985 8683
WIND...HAIL 60MPH 1.00IN

$$

KOCH

2 follow-up statements

191 
WWUS53 KIND 302041
SVSIND

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

INC011-302051-
/O.CAN.KIND.SV.W.0061.000000T0000Z-120330T2115Z/
BOONE-
441 PM EDT FRI MAR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHERN BOONE COUNTY
IS CANCELLED...

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

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

LAT...LON 3989 8679 3993 8629 3992 8622 3972 8623
      3976 8694
TIME...MOT...LOC 2041Z 270DEG 26KT 3985 8669

$$

INC063-097-107-133-302115-
/O.CON.KIND.SV.W.0061.000000T0000Z-120330T2115Z/
HENDRICKS-MARION-MONTGOMERY-PUTNAM-
441 PM EDT FRI MAR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
HENDRICKS...NORTHWESTERN MARION...SOUTHEASTERN MONTGOMERY AND
NORTHERN PUTNAM COUNTIES UNTIL 515 PM EDT...

AT 435 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 13 MILES
NORTHWEST OF DANVILLE...OR 16 MILES SOUTHEAST OF CRAWFORDSVILLE...
MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  DANVILLE...BROWNSBURG...SPEEDWAY...NORTH SALEM...LIZTON...
  PITTSBORO...AVON...EAGLE CREEK RESERVOIR AND CLERMONT.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 3989 8679 3993 8629 3992 8622 3972 8623
      3976 8694
TIME...MOT...LOC 2041Z 270DEG 26KT 3985 8669
WIND...HAIL 60MPH 1.00IN

$$

RYAN

182 
WWUS53 KIND 302055
SVSIND

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

INC107-302105-
/O.CAN.KIND.SV.W.0061.000000T0000Z-120330T2115Z/
MONTGOMERY-
455 PM EDT FRI MAR 30 2012

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

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

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

LAT...LON 3987 8672 3987 8670 3988 8669 3992 8622
      3972 8623 3976 8684
TIME...MOT...LOC 2055Z 270DEG 26KT 3985 8656

$$

INC063-097-133-302115-
/O.CON.KIND.SV.W.0061.000000T0000Z-120330T2115Z/
HENDRICKS-MARION-PUTNAM-
455 PM EDT FRI MAR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
HENDRICKS...NORTHWESTERN MARION AND NORTHEASTERN PUTNAM COUNTIES
UNTIL 515 PM EDT...

AT 449 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 8 MILES
NORTHWEST OF DANVILLE...OR 20 MILES SOUTHEAST OF CRAWFORDSVILLE... 
MOVING EAST AT 30 MPH. THIS STORM HAS INTENSIFIED OVER THE LAST TEN 
MINUTES.

LOCATIONS IMPACTED INCLUDE...
  DANVILLE...BROWNSBURG...SPEEDWAY...LIZTON...PITTSBORO...AVON...
  EAGLE CREEK RESERVOIR AND CLERMONT.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 3987 8672 3987 8670 3988 8669 3992 8622
      3972 8623 3976 8684
TIME...MOT...LOC 2055Z 270DEG 26KT 3985 8656
WIND...HAIL 60MPH 1.00IN

$$

RYAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 3:47 PM EDT	Severe Thunderstorm Warning	IND	Montgomery, Parke, Putnam	43 min
Mar 30, 4:18 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton	18 min
Mar 30, 4:29 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Parke, Putnam	46 min
Mar 30, 4:41 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Parke, Putnam, Vigo	49 min
Mar 30, 4:46 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Hamilton, Madison, Tipton	44 min
Mar 30, 5:00 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Johnson, Marion, Morgan, Shelby	45 min
Mar 30, 5:13 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Morgan, Putnam	47 min
Mar 30, 5:14 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Hendricks, Marion, Shelby	46 min
Mar 30, 5:16 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Henry, Madison	44 min
Mar 30, 5:20 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	40 min
Mar 30, 5:22 PM EDT	Severe Thunderstorm Warning	IND	Randolph	11 min
Mar 30, 5:27 PM EDT	Severe Thunderstorm Warning	IND	Delaware	24 min
Mar 30, 5:38 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	52 min
Mar 30, 5:43 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Putnam	47 min
Mar 30, 5:45 PM EDT	Severe Thunderstorm Warning	IND	Johnson, Marion, Morgan, Shelby	45 min
Mar 30, 5:54 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Johnson, Morgan, Owen, Putnam and 1 more	51 min
Mar 30, 6:00 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Rush, Shelby	45 min
Mar 30, 6:04 PM EDT	Areal Flood Advisory	IND	Hendricks, Johnson, Marion, Morgan, Putnam	116 min
Mar 30, 6:16 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Rush, Shelby	44 min
Mar 30, 6:35 PM EDT	Areal Flood Advisory	IND	Clay, Johnson, Morgan, Owen, Shelby	2 hr
Mar 30, 6:56 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush	21 min
Mar 30, 7:39 PM EDT	Severe Thunderstorm Warning	IND	Knox	15 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 Every 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.