Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 47, NWS Indianapolis, IN

March 23, 2012Boone County, Hendricks County, Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 23, 2012, 6:46 PM EDT for Boone County, Hendricks County, Marion County, Indiana. It was in force for 44 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: Mar 23, 2012, 6:46 PM EDT (22:46 UTC)
Expired: Mar 23, 2012, 7:30 PM EDT
In force: 44 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Boone County, IN, Hendricks County, IN, Marion County, IN

The radar

The Indianapolis radar (KIND), 21 km from the middle of the area, began a volume at 22:46 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.

Issued	Product	Office	Lasted
Mar 23, 4:39 PM EDT	Severe Thunderstorm Watch	SPC	4 hr
Mar 23, 6:25 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.8 hours before the alert went out and 184 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 808 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 57 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.

792 
WUUS53 KIND 232246
SVRIND
INC011-063-097-232330-
/O.NEW.KIND.SV.W.0047.120323T2246Z-120323T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
646 PM EDT FRI MAR 23 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL BOONE COUNTY IN CENTRAL INDIANA...
  HENDRICKS COUNTY IN CENTRAL INDIANA...
  NORTHWESTERN MARION COUNTY IN CENTRAL INDIANA...

* UNTIL 730 PM EDT

* AT 641 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 8 MILES SOUTHWEST OF DANVILLE...OR 26 MILES WEST
  OF INDIANAPOLIS...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  DANVILLE...
  BROWNSBURG...
  CLAYTON...
  LIZTON...
  PITTSBORO...
  EAGLE CREEK RESERVOIR...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 124 AND 137.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 56 AND 70.

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 3990 8624 3960 8658 3960 8660 3967 8669
      3979 8669 4003 8645
TIME...MOT...LOC 2246Z 218DEG 23KT 3971 8660
WIND...HAIL <50MPH 1.00IN

$$

MRD/JP

4 follow-up statements

484 
WWUS53 KIND 232259
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
659 PM EDT FRI MAR 23 2012

INC011-063-097-232330-
/O.CON.KIND.SV.W.0047.000000T0000Z-120323T2330Z/
BOONE-HENDRICKS-MARION-
659 PM EDT FRI MAR 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
BOONE...HENDRICKS AND NORTHWESTERN MARION COUNTIES UNTIL 730 PM
EDT...

AT 655 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
DANVILLE...OR 20 MILES WEST OF INDIANAPOLIS...MOVING NORTHEAST AT 25
MPH.

LOCATIONS IMPACTED INCLUDE...
  BROWNSBURG...LIZTON...PITTSBORO AND EAGLE CREEK RESERVOIR.

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 3990 8624 3960 8658 3960 8660 3967 8669
      3979 8669 4003 8645
TIME...MOT...LOC 2259Z 219DEG 23KT 3979 8650
WIND...HAIL 60MPH 1.00IN

$$

JAS

600 
WWUS53 KIND 232305
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
705 PM EDT FRI MAR 23 2012

INC011-063-097-232330-
/O.CON.KIND.SV.W.0047.000000T0000Z-120323T2330Z/
BOONE-HENDRICKS-MARION-
705 PM EDT FRI MAR 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
BOONE...HENDRICKS AND NORTHWESTERN MARION COUNTIES UNTIL 730 PM
EDT...

AT 704 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
DANVILLE...OR 18 MILES WEST OF INDIANAPOLIS...MOVING NORTHEAST AT 25
MPH.

LOCATIONS IMPACTED INCLUDE...
  BROWNSBURG...LIZTON...PITTSBORO AND EAGLE CREEK RESERVOIR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

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 3990 8624 3960 8658 3960 8660 3967 8669
      3979 8669 4003 8645
TIME...MOT...LOC 2305Z 219DEG 23KT 3979 8648
WIND...HAIL 60MPH 1.00IN

$$

KOCH

172 
WWUS53 KIND 232324
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
724 PM EDT FRI MAR 23 2012

INC011-063-097-232330-
/O.CON.KIND.SV.W.0047.000000T0000Z-120323T2330Z/
BOONE-HENDRICKS-MARION-
724 PM EDT FRI MAR 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
BOONE...HENDRICKS AND NORTHWESTERN MARION COUNTIES UNTIL 730 PM
EDT...

AT 723 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
PLAINFIELD...OR 18 MILES WEST OF INDIANAPOLIS...MOVING NORTHEAST AT
25 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

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 3990 8624 3960 8658 3960 8660 3967 8669
      3979 8669 4003 8645
TIME...MOT...LOC 2324Z 219DEG 23KT 3971 8647
WIND...HAIL 60MPH 1.00IN

$$

KOCH

369 
WWUS53 KIND 232328
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
728 PM EDT FRI MAR 23 2012

INC011-063-097-232338-
/O.EXP.KIND.SV.W.0047.000000T0000Z-120323T2330Z/
BOONE-HENDRICKS-MARION-
728 PM EDT FRI MAR 23 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL BOONE...
HENDRICKS AND NORTHWESTERN MARION COUNTIES WILL EXPIRE AT 730 PM
EDT/630 PM CDT/...

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 IS STILL POSSIBLE WITH THIS THUNDERSTORM.

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

LAT...LON 3990 8624 3960 8658 3960 8660 3967 8669
      3979 8669 4003 8645
TIME...MOT...LOC 2328Z 221DEG 16KT 3971 8646

$$

PUMA

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 4:04 PM EDT	Special Weather Statement	IND	Knox, Sullivan	26 min
Mar 23, 4:10 PM EDT	Severe Thunderstorm Warning	IND	Sullivan, Vigo	35 min
Mar 23, 4:14 PM EDT	Severe Thunderstorm Warning	IND	Greene, Knox, Sullivan	31 min
Mar 23, 4:38 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	37 min
Mar 23, 4:43 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Owen, Parke, Sullivan, Vermillion and 1 more	47 min
Mar 23, 5:12 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Martin	33 min
Mar 23, 5:17 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Parke, Putnam	28 min
Mar 23, 5:24 PM EDT	Tornado Warning	IND	Daviess, Greene, Martin	21 min
Mar 23, 5:29 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Parke	46 min
Mar 23, 5:41 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Lawrence, Martin, Monroe, Owen	34 min
Mar 23, 5:54 PM EDT	Tornado Warning	IND	Greene, Lawrence, Monroe	21 min
Mar 23, 6:12 PM EDT	Tornado Warning	IND	Greene, Monroe	33 min
Mar 23, 6:42 PM EDT	Tornado Warning	IND	Brown, Monroe, Morgan	33 min
Mar 23, 7:14 PM EDT	Special Weather Statement	IND	Morgan	61 min
Mar 23, 7:30 PM EDT	Special Weather Statement	IND	Hendricks	45 min
Mar 23, 7:34 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Morgan	41 min
Mar 23, 7:51 PM EDT	Tornado Warning	IND	Brown	24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.