Alert archive / Indiana / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 21, NWS Indianapolis, IN

March 28, 20204 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 28, 2020, 10:02 PM EDT for 4 counties in Indiana. It was in force for 30 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 28, 2020, 10:02 PM EDT (02:02 UTC)
Expired
Mar 28, 2020, 10:32 PM EDT
In force
30 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Brown County, IN, Johnson County, IN, Morgan County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 39 km from the middle of the area, began a volume at 02:04 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.0 hours before the alert went out and 197 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 2020-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 557 joules per kilogram.LCLLFCEL10008507005003002001001 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 2020-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.1939587897Sfc1 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
557 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1072 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted.

988 
WUUS53 KIND 290202
SVRIND
INC013-081-109-145-290245-
/O.NEW.KIND.SV.W.0021.200329T0202Z-200329T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
1002 PM EDT Sat Mar 28 2020

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Western Shelby County in central Indiana...
  Southeastern Morgan County in central Indiana...
  Northeastern Brown County in south central Indiana...
  Johnson County in central Indiana...

* Until 1045 PM EDT.

* At 1002 PM EDT, a severe thunderstorm was located near
  Martinsville, or 19 miles northeast of Bloomington, moving
  northeast at 20 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...
  Franklin, Martinsville, Edinburgh, Whiteland, Bargersville, Flat
  Rock, Princes Lakes, Trafalgar, Morgantown, Fairland, Mahalasville,
  Peoga, Beanblossom, Boggstown, Marietta and Spearsville.

This includes the following highways...
 Interstate 65 between mile markers 80 and 95.
 Interstate 74 between mile markers 106 and 108.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3935 8608 3932 8609 3929 8631 3943 8644
      3964 8584 3935 8580
TIME...MOT...LOC 0202Z 243DEG 19KT 3940 8631 

HAIL...<.75IN
WIND...70MPH
 
$$

TDUD
2 follow-up statements
744 
WWUS53 KIND 290219
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1019 PM EDT Sat Mar 28 2020

INC013-109-290229-
/O.CAN.KIND.SV.W.0021.000000T0000Z-200329T0245Z/
Morgan IN-Brown IN-
1019 PM EDT Sat Mar 28 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORGAN AND
NORTHEASTERN BROWN COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. 

LAT...LON 3934 8625 3949 8625 3964 8584 3935 8580
TIME...MOT...LOC 0219Z 245DEG 47KT 3953 8595 

$$

INC081-145-290245-
/O.CON.KIND.SV.W.0021.000000T0000Z-200329T0245Z/
Shelby IN-Johnson IN-
1019 PM EDT Sat Mar 28 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR WESTERN SHELBY AND JOHNSON COUNTIES...

At 1019 PM EDT, a severe thunderstorm was located near Franklin, or 9
miles west of Shelbyville, moving northeast 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...
Franklin, Edinburgh, Whiteland, Bargersville, Flat Rock, Princes
Lakes, Trafalgar, Fairland, Marietta and Boggstown.

This includes the following highways...
 Interstate 65 between mile markers 79 and 95.
 Interstate 74 between mile markers 106 and 108.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3934 8625 3949 8625 3964 8584 3935 8580
TIME...MOT...LOC 0219Z 245DEG 47KT 3953 8595 

HAIL...<.75IN
WIND...70MPH
 
$$

TDUD
080 
WWUS53 KIND 290232
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
1032 PM EDT Sat Mar 28 2020

INC081-145-290242-
/O.CAN.KIND.SV.W.0021.000000T0000Z-200329T0245Z/
Shelby IN-Johnson IN-
1032 PM EDT Sat Mar 28 2020

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SHELBY AND JOHNSON
COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

LAT...LON 3934 8625 3949 8625 3964 8584 3935 8580
TIME...MOT...LOC 0231Z 243DEG 19KT 3956 8587 

$$

TDUD

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 9:21 PM EDTRiver Flood WarningINDHamilton, Madison61 hr
Mar 28, 9:21 PM EDTRiver Flood WarningINDMarion, Morgan3 days
Mar 28, 9:30 PM EDTAreal Flood WarningINDRandolph9 hr
Mar 28, 9:42 PM EDTSevere Thunderstorm WarningINDBoone, Hamilton, Hendricks, Marion48 min
Mar 28, 9:55 PM EDTSevere Thunderstorm WarningINDHancock, Johnson, Marion, Morgan, Shelby50 min
Mar 28, 10:25 PM EDTSevere Thunderstorm WarningINDHamilton, Hancock, Madison, Marion35 min
Mar 28, 10:49 PM EDTSevere Thunderstorm WarningINDDelaware26 min
Mar 28, 10:55 PM EDTSevere Thunderstorm WarningINDHenry31 min
Mar 28, 11:04 PM EDTSevere Thunderstorm WarningINDRandolph33 min
Mar 29, 12:55 AM EDTRiver Flood WarningINDBoone, Marion14 hr
Mar 29, 12:55 AM EDTRiver Flood WarningINDDelaware, Madison34 hr
Mar 29, 12:55 AM EDTRiver Flood WarningINDHamilton, Marion58 hr
Mar 29, 12:55 AM EDTRiver Flood WarningINDMarion, Morgan3 days
Mar 29, 12:55 AM EDTRiver Flood WarningINDMonroe, Morgan, Owen4 days
Mar 29, 12:55 AM EDTRiver Flood WarningINDMonroe, Morgan, Owen4 days
Mar 29, 12:55 AM EDTRiver Flood WarningINDDaviess, Greene, Knox7 days
Mar 29, 1:54 AM EDTAreal Flood WarningINDBoone, Delaware, Hamilton, Madison6 hr
Mar 29, 5:46 AM EDTAreal Flood WarningINDRandolph3 hr
Mar 29, 1:52 PM EDTRiver Flood WarningINDBartholomew, Johnson, Shelby32 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2020Every severe thunderstorm warning in 2020

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.