Alert archive / Indiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 21, NWS Indianapolis, IN

March 31, 20239 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 31, 2023, 10:55 PM EDT for 9 counties in Indiana. It was in force for 50 min. 6 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 31, 2023, 10:55 PM EDT (02:55 UTC)
Expired: Mar 31, 2023, 11:45 PM EDT
In force: 50 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 mph

Counties Boone County, IN, Clay County, IN, Hendricks County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 32 km from the middle of the area, began a volume at 02:58 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	Remark
Mar 31, 11:29 PM EDT	TSTM WND DMG	Monrovia, IN	PRIVACY FENCE DESTROYED AND WINDOW BROKEN.
Mar 31, 11:29 PM EDT	TSTM WND DMG	Monrovia, IN	PRIVACY FENCE DESTROYED AND WINDOW BROKEN.
Mar 31, 11:29 PM EDT	TSTM WND DMG	Monrovia, IN	PRIVACY FENCE DESTROYED AND WINDOW BROKEN.
Mar 31, 11:40 PM EDT	TSTM WND GST 65	3 E Avon, IN
Mar 31, 11:40 PM EDT	TSTM WND GST 65	3 E Avon, IN
Mar 31, 11:40 PM EDT	TSTM WND GST 65	3 E Avon, 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 31, 7:59 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.9 hours before the alert went out and 172 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: 638 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 921 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 347 m²/s²
0-3 km storm-relative helicity: 369 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 7.1

Open this sounding in Storm Lab

The text

As transmitted.

268 
WUUS53 KIND 010255
SVRIND
INC011-021-063-107-109-119-121-133-167-010345-
/O.NEW.KIND.SV.W.0021.230401T0255Z-230401T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
1055 PM EDT Fri Mar 31 2023

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Northeastern Vigo County in west central Indiana...
  Northern Morgan County in central Indiana...
  Hendricks County in central Indiana...
  Northern Clay County in west central Indiana...
  Northeastern Owen County in west central Indiana...
  Southeastern Parke County in west central Indiana...
  Boone County in central Indiana...
  Putnam County in west central Indiana...
  Southeastern Montgomery County in west central Indiana...

* Until 1145 PM EDT.

* At 1055 PM EDT, severe thunderstorms were located along a line
  extending from 6 miles south of Crawfordsville to 9 miles south of
  Rockville to near Brazil, moving east at 55 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Severe thunderstorms will be near...
  Ladoga and New Market around 1100 PM EDT.
  New Ross around 1105 PM EDT.
  Jamestown, Advance and Cagles Mill Lake around 1110 PM EDT.
  Greencastle, Cloverdale and Bainbridge around 1115 PM EDT.

Other locations in the path of these severe thunderstorms include
Fillmore, Ulen, Groveland, Carpentersville, Lebanon, Whitestown,
Coatesville, Amo, Belle Union, Little Point, Eminence, Zionsville,
North Salem, Stilesville, Danville, Monrovia, Clayton, Lizton and
Lake Hart.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 300 AM EDT for central and
west central Indiana.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3962 8725 3999 8694 4018 8624 3993 8624
      3992 8633 3963 8632 3963 8629 3948 8641
      3939 8725
TIME...MOT...LOC 0255Z 253DEG 49KT 3995 8692 3964 8718 3948 8718 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

BRB

3 follow-up statements

742 
WWUS53 KIND 010308
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1108 PM EDT Fri Mar 31 2023

INC121-167-010318-
/O.CAN.KIND.SV.W.0021.000000T0000Z-230401T0345Z/
Vigo IN-Parke IN-
1108 PM EDT Fri Mar 31 2023

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN VIGO AND
SOUTHEASTERN PARKE COUNTIES IS CANCELLED...

The storms which prompted the warning have  moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 300 AM EDT for central and
west central Indiana.

LAT...LON 3993 8624 3992 8633 3963 8632 3963 8629
      3948 8641 3942 8703 3967 8701 4001 8680
      4018 8624
TIME...MOT...LOC 0308Z 253DEG 49KT 4000 8671 3969 8697 3953 8697 

$$

INC011-021-063-107-109-119-133-010345-
/O.CON.KIND.SV.W.0021.000000T0000Z-230401T0345Z/
Morgan IN-Hendricks IN-Clay IN-Owen IN-Boone IN-Putnam IN-
Montgomery IN-
1108 PM EDT Fri Mar 31 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR NORTHERN MORGAN...HENDRICKS...NORTHEASTERN CLAY...NORTHEASTERN
OWEN...BOONE...PUTNAM AND SOUTHEASTERN MONTGOMERY COUNTIES...

At 1108 PM EDT, severe thunderstorms were located along a line
extending from 10 miles east of Crawfordsville to 7 miles northwest
of Greencastle to 8 miles east of Brazil, moving east at 55 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

These severe storms will be near...
  Jamestown, Advance and New Ross around 1115 PM EDT.

Other locations in the path of these severe thunderstorms include
Roachdale, Lebanon, Coatesville, Ulen, Groveland, Belle Union, Little
Point, Eminence, Whitestown, North Salem, Amo, Stilesville, Danville,
Monrovia, Clayton, Lizton, Brownsburg, Avon, Pittsboro, Brooklyn,
Lake Hart, Plainfield, Mooresville and Clermont.

This includes the following highways...
 Interstate 65 between mile markers 128 and 143.
 Interstate 70 between mile markers 29 and 69.
 Interstate 74 between mile markers 43 and 70.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 300 AM EDT for central and
west central Indiana.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3993 8624 3992 8633 3963 8632 3963 8629
      3948 8641 3942 8703 3967 8701 4001 8680
      4018 8624
TIME...MOT...LOC 0308Z 253DEG 49KT 4000 8671 3969 8697 3953 8697 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

White

258 
WWUS53 KIND 010318
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1118 PM EDT Fri Mar 31 2023

INC021-107-119-010328-
/O.CAN.KIND.SV.W.0021.000000T0000Z-230401T0345Z/
Clay IN-Owen IN-Montgomery IN-
1118 PM EDT Fri Mar 31 2023

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CLAY...
NORTHEASTERN OWEN AND SOUTHEASTERN MONTGOMERY COUNTIES IS
CANCELLED...

The storms which prompted the warning have  moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 300 AM EDT for central and
west central Indiana.

LAT...LON 3993 8624 3992 8633 3963 8633 3963 8629
      3952 8637 3947 8693 3947 8694 3979 8665
      4005 8656 4018 8624
TIME...MOT...LOC 0318Z 255DEG 61KT 4005 8643 3974 8659 3957 8681 

$$

INC011-063-109-133-010345-
/O.CON.KIND.SV.W.0021.000000T0000Z-230401T0345Z/
Morgan IN-Hendricks IN-Boone IN-Putnam IN-
1118 PM EDT Fri Mar 31 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR NORTHERN MORGAN...HENDRICKS...EASTERN BOONE AND SOUTHEASTERN
PUTNAM COUNTIES...

At 1118 PM EDT, severe thunderstorms were located along a line
extending from near Lebanon to near Danville to near Greencastle,
moving east at 70 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

These severe storms will be near...
  Brownsburg, Zionsville, Avon, Pittsboro and Whitestown around 1125 
  PM EDT.

Other locations in the path of these severe thunderstorms include
Plainfield, Brooklyn, Monrovia, Lake Hart and Mooresville.

This includes the following highways...
 Interstate 65 between mile markers 128 and 142.
 Interstate 70 between mile markers 37 and 68.
 Interstate 74 between mile markers 54 and 69.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 300 AM EDT for central and
west central Indiana.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3993 8624 3992 8633 3963 8633 3963 8629
      3952 8637 3947 8693 3947 8694 3979 8665
      4005 8656 4018 8624
TIME...MOT...LOC 0318Z 255DEG 61KT 4005 8643 3974 8659 3957 8681 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

White

226 
WWUS53 KIND 010334
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1134 PM EDT Fri Mar 31 2023

INC133-010344-
/O.CAN.KIND.SV.W.0021.000000T0000Z-230401T0345Z/
Putnam IN-
1134 PM EDT Fri Mar 31 2023

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

The storms which prompted the warning have  moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 300 AM EDT for central
Indiana.

LAT...LON 3993 8624 3992 8633 3963 8633 3963 8629
      3952 8637 3951 8653 3967 8647 3997 8632
      4018 8624
TIME...MOT...LOC 0334Z 253DEG 49KT 4011 8618 3980 8634 3963 8656 

$$

INC011-063-109-010345-
/O.CON.KIND.SV.W.0021.000000T0000Z-230401T0345Z/
Morgan IN-Hendricks IN-Boone IN-
1134 PM EDT Fri Mar 31 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR NORTHEASTERN MORGAN...EASTERN HENDRICKS AND SOUTHEASTERN BOONE
COUNTIES...

At 1134 PM EDT, severe thunderstorms were located along a line
extending from near Georgetown to near Brownsburg to 9 miles south of
Danville, moving east at 55 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
  Avon and Plainfield.

This includes the following highways...
 Interstate 65 near mile marker 128.
 Interstate 70 between mile markers 59 and 68.
 Interstate 74 between mile markers 67 and 69.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 300 AM EDT for central
Indiana.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3993 8624 3992 8633 3963 8633 3963 8629
      3952 8637 3951 8653 3967 8647 3997 8632
      4018 8624
TIME...MOT...LOC 0334Z 253DEG 49KT 4011 8618 3980 8634 3963 8656 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

White

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 9:12 PM EDT	Severe Thunderstorm Warning	IND	Warren	33 min
Mar 31, 9:38 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Tippecanoe	52 min
Mar 31, 9:58 PM EDT	Special Weather Statement	IND	Sullivan	32 min
Mar 31, 10:00 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Parke, Vermillion, Warren	45 min
Mar 31, 10:08 PM EDT	Tornado Warning	IND	Clay, Greene, Sullivan	52 min
Mar 31, 10:19 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Parke, Tippecanoe	26 min
Mar 31, 10:27 PM EDT	Severe Thunderstorm Warning	IND	Clay, Montgomery, Parke, Putnam, Vermillion, Vigo	33 min
Mar 31, 10:37 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Knox, Owen, Sullivan, Vigo	23 min
Mar 31, 10:37 PM EDT	Tornado Warning Tornado observed	IND	Clay, Greene, Owen, Sullivan	38 min
Mar 31, 10:40 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Hamilton, Howard, Montgomery, Tippecanoe and 1 more	35 min
Mar 31, 10:42 PM EDT	Tornado Warning	IND	Boone, Clinton, Hamilton, Howard, Montgomery, Tipton	33 min
Mar 31, 10:56 PM EDT	Tornado Warning	IND	Carroll, Clinton, Howard	19 min
Mar 31, 10:57 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IND	Clay, Greene, Monroe, Morgan, Owen, Sullivan and 1 more	33 min
Mar 31, 11:00 PM EDT	Tornado Warning	IND	Brown, Monroe, Morgan, Owen	30 min
Mar 31, 11:11 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Delaware, Hamilton, Howard, Madison and 1 more	34 min
Mar 31, 11:12 PM EDT	Tornado Warning	IND	Clinton, Howard, Tipton	33 min
Mar 31, 11:16 PM EDT	Tornado Warning	IND	Johnson, Morgan, Shelby	44 min
Mar 31, 11:22 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IND	Bartholomew, Brown, Johnson, Monroe, Morgan, Owen and 1 more	23 min
Mar 31, 11:24 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IND	Boone, Hamilton, Hancock, Hendricks, Johnson, Madison and 4 more	36 min
Mar 31, 11:42 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IND	Delaware, Henry, Madison, Randolph	48 min
Mar 31, 11:42 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IND	Brown, Decatur, Hancock, Henry, Johnson, Marion and 2 more	33 min
Mar 31, 11:55 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IND	Decatur, Hancock, Henry, Johnson, Madison, Marion and 2 more	50 min
Apr 1, 12:08 AM EDT	Tornado Warning	IND	Rush	9 min
Apr 1, 2:44 AM EDT	Wind Advisory	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	15 hr
Apr 1, 10:36 AM EDT	High Wind Warning	IND	Bartholomew, Boone, Brown, Clay, Clinton, Daviess and 28 more	5 hr
Apr 1, 11:05 AM EDT	River Flood Warning	IND	Fountain, Parke, Tippecanoe, Vermillion, Warren	72 hr
Apr 1, 11:05 AM EDT	River Flood Warning	IND	Fountain, Parke, Vermillion, Warren	4 days

Nearby

Severe Thunderstorm Warnings in Indiana, 2023 Every severe thunderstorm warning in 2023

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.