Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 5, NWS Indianapolis, IN

March 27, 2021Boone County, Hamilton County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 27, 2021, 10:26 PM EDT for Boone County, Hamilton County, Indiana. It was in force for 34 min. 14 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 27, 2021, 10:26 PM EDT (02:26 UTC)
Expired: Mar 27, 2021, 11:00 PM EDT
In force: 34 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

The radar

The Indianapolis radar (KIND), 42 km from the middle of the area, began a volume at 02:25 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 27, 10:27 PM EDT	HAIL 0.75	5 Nne Whitestown, IN	REPORT FROM MPING: DIME (0.75 IN.).
Mar 27, 10:37 PM EDT	HAIL 1	4 Sw Westfield, IN
Mar 27, 10:38 PM EDT	HAIL 1	3 Sw Westfield, IN	REPORT FROM MPING: QUARTER (1.00 IN.).
Mar 27, 10:39 PM EDT	HAIL 0.75	1 S Westfield, IN	REPORT FROM MPING: DIME (0.75 IN.).
Mar 27, 10:40 PM EDT	TSTM WND DMG	Carmel, IN	* 1 FATAL * TREE FELL DUE TO THUNDERSTORM WINDS ONTO A 22 YEAR OLD MAN IN BACKYARD. TIME ESTIMATED FROM 911 CALL.
Mar 27, 10:41 PM EDT	HAIL 0.75	1 Ese Westfield, IN	REPORT FROM MPING: DIME (0.75 IN.).
Mar 27, 10:44 PM EDT	HAIL 0.75	1 Ese Westfield, IN	REPORT FROM MPING: DIME (0.75 IN.).
Mar 27, 10:44 PM EDT	HAIL 0.75	2 Nne Westfield, IN	REPORT FROM MPING: DIME (0.75 IN.).
Mar 27, 10:45 PM EDT	HAIL 0.75	2 Ne Carmel, IN
Mar 27, 10:46 PM EDT	HAIL 0.88	3 Sw Noblesville, IN
Mar 27, 10:49 PM EDT	HAIL 1	1 Sw Noblesville, IN
Mar 27, 10:57 PM EDT	HAIL 0.75	4 Se Noblesville, IN	REPORT FROM MPING: DIME (0.75 IN.).
Mar 27, 10:59 PM EDT	HAIL 0.75	5 W Lapel, IN
Mar 27, 11:07 PM EDT	TSTM WND DMG	1 Nw Carmel, IN	SEVERAL HOMES WITH TREES DOWN IN CARMEL. ONE TREE INTO A HOUSE. TIME REPORT WAS SENT--TIME DAMAGE OCCURRED TBD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.4 hours before the alert went out and 209 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: 1403 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

852 
WUUS53 KIND 280226
SVRIND
INC011-057-280300-
/O.NEW.KIND.SV.W.0005.210328T0226Z-210328T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
1026 PM EDT Sat Mar 27 2021

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Southeastern Boone County in central Indiana...
  Hamilton County in central Indiana...

* Until 1100 PM EDT.

* At 1026 PM EDT, severe thunderstorms were located along a line
  extending from 10 miles northeast of Lebanon to Zionsville, moving
  northeast at 45 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Carmel, Fishers, Noblesville, Zionsville, Westfield, Cicero,
  Whitestown, Sheridan, Arcadia, Atlanta and Morse Reservoir.

This includes Interstate 65 between mile markers 128 and 132.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4001 8586 3992 8632 3992 8639 4010 8639
      4022 8603 4022 8589
TIME...MOT...LOC 0226Z 242DEG 51KT 4013 8629 3994 8629 

HAIL...1.00IN
WIND...60MPH
 
$$

JAS

1 follow-up statement

385 
WWUS53 KIND 280241
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1041 PM EDT Sat Mar 27 2021

INC011-280250-
/O.CAN.KIND.SV.W.0005.000000T0000Z-210328T0300Z/
Boone IN-
1041 PM EDT Sat Mar 27 2021

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

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

LAT...LON 4001 8586 3994 8621 4004 8624 4015 8624
      4022 8603 4022 8589
TIME...MOT...LOC 0240Z 245DEG 45KT 4017 8616 3997 8609 

$$

INC057-280300-
/O.CON.KIND.SV.W.0005.000000T0000Z-210328T0300Z/
Hamilton IN-
1041 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR HAMILTON COUNTY...

At 1040 PM EDT, severe thunderstorms were located along a line
extending from 9 miles southwest of Tipton to Carmel, moving
northeast at 45 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Carmel, Fishers, Noblesville, Westfield, Cicero, Sheridan, Arcadia,
Atlanta and Morse Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4001 8586 3994 8621 4004 8624 4015 8624
      4022 8603 4022 8589
TIME...MOT...LOC 0240Z 245DEG 45KT 4017 8616 3997 8609 

HAIL...1.50IN
WIND...60MPH
 
$$

JAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 8:45 PM EDT	Special Weather Statement	IND	Vermillion	30 min
Mar 27, 9:16 PM EDT	Special Weather Statement	IND	Montgomery	44 min
Mar 27, 9:19 PM EDT	Special Weather Statement	IND	Montgomery	41 min
Mar 27, 9:47 PM EDT	Special Weather Statement	IND	Montgomery	28 min
Mar 27, 10:00 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks, Montgomery	30 min
Mar 27, 10:53 PM EDT	Special Weather Statement	IND	Clay, Vigo	37 min
Mar 27, 10:56 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Hamilton, Madison	34 min
Mar 27, 11:24 PM EDT	Areal Flood Advisory	IND	Boone, Montgomery	3 hr
Mar 27, 11:35 PM EDT	Special Weather Statement	IND	Delaware	25 min
Mar 28, 12:22 AM EDT	Special Weather Statement	IND	Lawrence	38 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2021 Every severe thunderstorm warning in 2021

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.