Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 40, NWS Indianapolis, IN

April 4, 20115 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 4, 2011, 7:03 AM EDT for 5 counties in Indiana. It was in force for 42 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: Apr 4, 2011, 7:03 AM EDT (11:03 UTC)
Expired: Apr 4, 2011, 7:45 AM EDT
In force: 42 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Hendricks County, IN, Marion County, IN, Morgan County, IN, Owen County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 37 km from the middle of the area, began a volume at 11:06 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
Apr 4, 5:30 AM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 11.1 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: 191 J/kg
Mixed-layer CIN: -426 J/kg
Mixed-layer LCL: 2183 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 363 m²/s²
0-3 km storm-relative helicity: 578 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.

992 
WUUS53 KIND 041103
SVRIND
INC063-097-109-119-133-041145-
/O.NEW.KIND.SV.W.0040.110404T1103Z-110404T1145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
703 AM EDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN HENDRICKS COUNTY IN CENTRAL INDIANA...
  SOUTHWESTERN MARION COUNTY IN CENTRAL INDIANA...
  MORGAN COUNTY IN CENTRAL INDIANA...
  NORTHEASTERN OWEN COUNTY IN WEST CENTRAL INDIANA...
  SOUTHERN PUTNAM COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 745 AM EDT

* AT 657 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES NORTHWEST OF SPENCER...
  OR 24 MILES NORTHWEST OF BLOOMINGTON...AND MOVING NORTHEAST AT 45
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  QUINCY AND GOSPORT AROUND 710 AM EDT...
  EMINENCE...PARAGON AND BELLE UNION AROUND 715 AM EDT...
  LITTLE POINT AND STILESVILLE AROUND 720 AM EDT...
  MARTINSVILLE AROUND 725 AM EDT...
  CENTERTON...LAKE HART...MONROVIA AND CLAYTON AROUND 730 AM EDT...
  BROOKLYN...BETHANY AND MOORESVILLE AROUND 735 AM EDT...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 33 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.

&&

LAT...LON 3979 8631 3938 8626 3933 8662 3934 8670
      3932 8671 3930 8683 3955 8698
TIME...MOT...LOC 1103Z 246DEG 40KT 3942 8678
WIND...HAIL 60MPH <.75IN

$$
JK

3 follow-up statements

834 
WWUS53 KIND 041120
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
720 AM EDT MON APR 4 2011

INC133-041130-
/O.CAN.KIND.SV.W.0040.000000T0000Z-110404T1145Z/
PUTNAM-
720 AM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PUTNAM COUNTY IS
CANCELLED...

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

LAT...LON 3952 8669 3954 8666 3958 8666 3962 8664
      3979 8631 3938 8626 3933 8662 3937 8666
      3932 8672
TIME...MOT...LOC 1120Z 246DEG 40KT 3949 8655

$$

INC063-097-109-119-041145-
/O.CON.KIND.SV.W.0040.000000T0000Z-110404T1145Z/
HENDRICKS-MARION-MORGAN-OWEN-
720 AM EDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
OWEN...MORGAN...SOUTHEASTERN HENDRICKS AND SOUTHWESTERN MARION
COUNTIES UNTIL 745 AM EDT...

AT 711 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 13 MILES NORTHEAST OF SPENCER...OR 21
MILES NORTH OF BLOOMINGTON...MOVING NORTHEAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MARTINSVILLE AROUND 725 AM EDT...
  CENTERTON...LAKE HART AND MONROVIA AROUND 730 AM EDT...
  BROOKLYN...BETHANY AND MOORESVILLE AROUND 735 AM EDT...
  CAMBY AND PLAINFIELD AROUND 740 AM EDT...

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 3952 8669 3954 8666 3958 8666 3962 8664
      3979 8631 3938 8626 3933 8662 3937 8666
      3932 8672
TIME...MOT...LOC 1120Z 246DEG 40KT 3949 8655
WIND...HAIL 60MPH <.75IN

$$

JK

290 
WWUS53 KIND 041124
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
724 AM EDT MON APR 4 2011

INC119-041134-
/O.CAN.KIND.SV.W.0040.000000T0000Z-110404T1145Z/
OWEN-
724 AM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OWEN COUNTY IS
CANCELLED...

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

LAT...LON 3933 8662 3954 8662 3962 8664 3979 8631
      3938 8626
TIME...MOT...LOC 1124Z 246DEG 40KT 3950 8650

$$

INC063-097-109-041145-
/O.CON.KIND.SV.W.0040.000000T0000Z-110404T1145Z/
HENDRICKS-MARION-MORGAN-
724 AM EDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MORGAN...
SOUTHEASTERN HENDRICKS AND SOUTHWESTERN MARION COUNTIES UNTIL 745 AM
EDT...

AT 715 AM 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 WEST OF MARTINSVILLE...OR 21
MILES NORTH OF BLOOMINGTON...MOVING NORTHEAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BETHANY...CENTERTON...LAKE HART AND MONROVIA AROUND 730 AM EDT...
  BROOKLYN AND MOORESVILLE AROUND 735 AM EDT...
  CAMBY AND PLAINFIELD AROUND 740 AM EDT...

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 3933 8662 3954 8662 3962 8664 3979 8631
      3938 8626
TIME...MOT...LOC 1124Z 246DEG 40KT 3950 8650
WIND...HAIL 60MPH <.75IN

$$

JK

305 
WWUS53 KIND 041138
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
738 AM EDT MON APR 4 2011

INC063-097-109-041148-
/O.EXP.KIND.SV.W.0040.000000T0000Z-110404T1145Z/
HENDRICKS-MARION-MORGAN-
738 AM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR MORGAN...SOUTHEASTERN
HENDRICKS AND SOUTHWESTERN MARION COUNTIES WILL EXPIRE AT 745 AM
EDT/645 AM CDT/...

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

LAT...LON 3933 8662 3954 8662 3962 8664 3979 8631
      3938 8626
TIME...MOT...LOC 1138Z 246DEG 40KT 3956 8631

$$

JK

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 4:12 AM EDT	Special Weather Statement	IND	Fountain, Tippecanoe, Warren	33 min
Apr 4, 4:52 AM EDT	Special Weather Statement	IND	Boone, Carroll, Clinton, Howard, Montgomery, Tipton	23 min
Apr 4, 5:04 AM EDT	Severe Thunderstorm Warning	IND	Carroll, Clinton, Howard, Tipton	26 min
Apr 4, 5:16 AM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Hamilton, Madison, Tipton	29 min
Apr 4, 5:31 AM EDT	Severe Thunderstorm Warning	IND	Howard	14 min
Apr 4, 5:47 AM EDT	Severe Thunderstorm Warning	IND	Delaware, Madison, Tipton	28 min
Apr 4, 6:12 AM EDT	Severe Thunderstorm Warning	IND	Delaware	19 min
Apr 4, 6:27 AM EDT	Severe Thunderstorm Warning	IND	Sullivan, Vigo	32 min
Apr 4, 7:08 AM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Morgan, Owen	35 min
Apr 4, 7:26 AM EDT	Severe Thunderstorm Warning	IND	Brown, Johnson, Morgan	23 min
Apr 4, 7:41 AM EDT	Severe Thunderstorm Warning	IND	Shelby	22 min
Apr 4, 7:56 AM EDT	Severe Thunderstorm Warning	IND	Rush, Shelby	28 min
Apr 4, 7:59 AM EDT	Severe Thunderstorm Warning	IND	Sullivan, Vigo	24 min
Apr 4, 10:23 AM EDT	Special Weather Statement	IND	Brown, Monroe	37 min
Apr 4, 10:35 AM EDT	Special Weather Statement	IND	Daviess, Knox, Martin	40 min
Apr 4, 12:08 PM EDT	Special Weather Statement	IND	Bartholomew, Decatur, Jackson, Jennings, Lawrence, Martin	37 min
Apr 4, 12:59 PM EDT	Areal Flood Advisory	IND	Bartholomew, Brown, Clay, Greene, Hancock, Henry and 7 more	11 hr
Apr 4, 6:14 PM EDT	River Flood Warning	IND	Shelby	43 hr
Apr 4, 6:14 PM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	5 days

Nearby

Severe Thunderstorm Warnings in Indiana, 2011 Every severe thunderstorm warning in 2011

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.