Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 6, NWS Indianapolis, IN

March 27, 2021Delaware County, Hamilton County, Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 27, 2021, 10:56 PM EDT for Delaware County, Hamilton County, Madison County, Indiana. It was in force for 34 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 27, 2021, 10:56 PM EDT (02:56 UTC)
Expired
Mar 27, 2021, 11:30 PM EDT
In force
34 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Delaware County, IN, Hamilton County, IN, Madison County, IN

The radar

The Indianapolis radar (KIND), 71 km from the middle of the area, began a volume at 03:00 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

TimeReportWhereRemark
Mar 27, 10:57 PM EDTHAIL 0.754 Se Noblesville, INREPORT FROM MPING: DIME (0.75 IN.).
Mar 27, 10:59 PM EDTHAIL 0.755 W Lapel, IN
Mar 27, 11:06 PM EDTHAIL 0.752 N Country Club Height, INREPORT FROM MPING: DIME (0.75 IN.).
Mar 27, 11:14 PM EDTHAIL 1Country Club Heights, IN1 INCH HAIL AT COMMUNITY HOSPITAL.
Mar 27, 11:16 PM EDTHAIL 0.881 N Country Club Height, INESTIMATED 35-45 MPH WINDS.
Mar 27, 11:17 PM EDTHAIL 0.881 N Country Club Height, IN

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, 2.9 hours before the alert went out and 177 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2021-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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.

986 
WUUS53 KIND 280256
SVRIND
INC035-057-095-280330-
/O.NEW.KIND.SV.W.0006.210328T0256Z-210328T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
1056 PM EDT Sat Mar 27 2021

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Central Madison County in central Indiana...
  Southwestern Delaware County in east central Indiana...
  Eastern Hamilton County in central Indiana...

* Until 1130 PM EDT.

* At 1055 PM EDT, a severe thunderstorm was located near Noblesville,
  or 11 miles west of Anderson, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Anderson, Noblesville, Alexandria, Yorktown, Cicero, Chesterfield,
  Lapel, Edgewood, Frankton, Daleville, Woodlawn Heights, Country
  Club Heights and River Forest.

This includes Interstate 69 between mile markers 231 and 246.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4011 8541 3999 8596 4015 8603 4031 8551
TIME...MOT...LOC 0255Z 245DEG 49KT 4008 8590 

HAIL...1.25IN
WIND...60MPH
 
$$

JAS
2 follow-up statements
340 
WWUS53 KIND 280311
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1111 PM EDT Sat Mar 27 2021

INC057-280321-
/O.CAN.KIND.SV.W.0006.000000T0000Z-210328T0330Z/
Hamilton IN-
1111 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HAMILTON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4011 8541 4003 8578 4020 8586 4031 8551
TIME...MOT...LOC 0311Z 243DEG 47KT 4017 8567 

$$

INC035-095-280330-
/O.CON.KIND.SV.W.0006.000000T0000Z-210328T0330Z/
Madison IN-Delaware IN-
1111 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR CENTRAL MADISON AND SOUTHWESTERN DELAWARE COUNTIES...

At 1111 PM EDT, a severe thunderstorm was located near Anderson,
moving northeast at 55 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...
Anderson, Alexandria, Yorktown, Chesterfield, Edgewood, Frankton,
Daleville, Country Club Heights, Woodlawn Heights and River Forest.

This includes Interstate 69 between mile markers 231 and 245.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4011 8541 4003 8578 4020 8586 4031 8551
TIME...MOT...LOC 0311Z 243DEG 47KT 4017 8567 

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

JAS
425 
WWUS53 KIND 280326
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1126 PM EDT Sat Mar 27 2021

INC035-095-280335-
/O.EXP.KIND.SV.W.0006.000000T0000Z-210328T0330Z/
Madison IN-Delaware IN-
1126 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MADISON AND
SOUTHWESTERN DELAWARE COUNTIES WILL EXPIRE AT 1130 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small hail
and gusty winds are still possible with this thunderstorm.

LAT...LON 4011 8541 4003 8578 4020 8586 4031 8551
TIME...MOT...LOC 0325Z 245DEG 49KT 4025 8544 

$$

JAS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 8:45 PM EDTSpecial Weather StatementINDVermillion30 min
Mar 27, 9:16 PM EDTSpecial Weather StatementINDMontgomery44 min
Mar 27, 9:19 PM EDTSpecial Weather StatementINDMontgomery41 min
Mar 27, 9:47 PM EDTSpecial Weather StatementINDMontgomery28 min
Mar 27, 10:00 PM EDTSevere Thunderstorm WarningINDBoone, Hendricks, Montgomery30 min
Mar 27, 10:26 PM EDTSevere Thunderstorm WarningINDBoone, Hamilton34 min
Mar 27, 10:53 PM EDTSpecial Weather StatementINDClay, Vigo37 min
Mar 27, 11:24 PM EDTAreal Flood AdvisoryINDBoone, Montgomery3 hr
Mar 27, 11:35 PM EDTSpecial Weather StatementINDDelaware25 min
Mar 28, 12:22 AM EDTSpecial Weather StatementINDLawrence38 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2021Every 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.