Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 19, NWS Indianapolis, IN

June 18, 20214 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 18, 2021, 7:31 PM EDT for 4 counties in Indiana. It was in force for 44 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
Jun 18, 2021, 7:31 PM EDT (23:31 UTC)
Expired
Jun 18, 2021, 8:15 PM EDT
In force
44 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
2.0 in
Wind
60.0 mph

Counties Hancock County, IN, Marion County, IN, Rush County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 52 km from the middle of the area, began a volume at 23:32 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
Jun 18, 7:40 PM EDTHAIL 11 Wnw New Palestine, IN
Jun 18, 7:43 PM EDTTSTM WND DMG1 Wnw New Palestine, INTREE DOWN ACROSS ROAD. TIME ESTIMATED FROM RADAR.
Jun 18, 7:47 PM EDTHAIL 15 Wsw New Palestine, IN
Jun 18, 7:50 PM EDTTSTM WND DMG2 Se Fairland, INTREES DOWN.
Jun 18, 7:50 PM EDTHAIL 2.5New Palestine, IN
Jun 18, 7:50 PM EDTHAIL 3New Palestine, IN
Jun 18, 7:50 PM EDTHAIL 3.4New Palestine, INTIME ESTIMATED FROM RADAR. PHOTOGRAPHED NEXT TO TAPE MEASURE.
Jun 18, 7:55 PM EDTHAIL 3.25New Palestine, INTIME ESTIMATED FROM RADAR.
Jun 18, 7:59 PM EDTTSTM WND GST 683 Ese Fairland, IN
Jun 18, 8:00 PM EDTTSTM WND DMG3 Nne Fairland, INTIME ESTIMATED FROM RADAR. MATURE TREE SNAPPED AT BASE. FEW POWER LINES AND POLES BLOWN OVER. LARGE SEGMENT OF METAL BARN ROOF BLOWN OFF. SEVERAL BRANCHES BLOWN DOWN. 325W JUST SOUTH OF 800N.
Jun 18, 8:00 PM EDTTSTM WND DMG3 Nne Fairland, INTIME ESTIMATED FROM RADAR. TOP SEGMENT OF SLIO BLOWN OFF. 2582 WEST 800 NORTH.
Jun 18, 8:00 PM EDTTSTM WND DMG3 Ssw Fountaintown, INTIME ESTIMATED FROM RADAR. TOP HALF OF TREE SNAPPED OFF. ANOTHER TREE UPROOTED AND INTO BARN DOOR. 1377 WEST 900 NORTH.
Jun 18, 8:00 PM EDTTSTM WND DMG3 Sw Fountaintown, INTIME ESTIMATED FROM RADAR. LARGER TREE UPROOTED, SMALLER TREE SNAPPED. 1949W 900N.
Jun 18, 8:00 PM EDTTSTM WND DMG4 Nne Fairland, INTIME ESTIMATED FROM RADAR. 900N IMPASSABLE FROM 200W TO 400W WITH TREES AND POWERLINES ON ROAD. 5 TREES IN A ROW DOWNED AT 325W.

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.

IssuedProductOfficeLasted
Jun 18, 6:23 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.5 hours before the alert went out and 163 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 12:00Z on 2021-06-18Temperature 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 12:00Z on 2021-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.193958Sfc1 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
1560 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

111 
WUUS53 KIND 182331
SVRIND
INC059-097-139-145-190015-
/O.NEW.KIND.SV.W.0019.210618T2331Z-210619T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
731 PM EDT Fri Jun 18 2021

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Northern Shelby County in central Indiana...
  Southwestern Hancock County in central Indiana...
  Southern Rush County in central Indiana...
  Southeastern Marion County in central Indiana...

* Until 815 PM EDT.

* At 731 PM EDT, a severe thunderstorm was located near Beech Grove,
  or 9 miles southeast of Indianapolis, moving southeast at 25 mph.

  HAZARD...Two inch 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.

* This severe thunderstorm will be near...
  New Palestine around 740 PM EDT.

Other locations in the path of this severe thunderstorm include
Fairland, Morristown, Shelbyville and Manilla.

This includes the following highways...
 Interstate 70 near mile marker 89.
 Interstate 74 between mile markers 93 and 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3945 8563 3973 8612 3981 8605 3970 8583
      3970 8563 3968 8563 3958 8530 3945 8530
TIME...MOT...LOC 2331Z 306DEG 20KT 3972 8598 

HAIL...2.00IN
WIND...60MPH
 
$$

TDUD
1 follow-up statement
949 
WWUS53 KIND 182341
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
741 PM EDT Fri Jun 18 2021

INC059-097-139-145-190015-
/O.CON.KIND.SV.W.0019.000000T0000Z-210619T0015Z/
Shelby IN-Hancock IN-Rush IN-Marion IN-
741 PM EDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTHERN SHELBY...SOUTHWESTERN HANCOCK...SOUTHERN RUSH AND
SOUTHEASTERN MARION COUNTIES...

At 740 PM EDT, a severe thunderstorm was located 7 miles east of
Beech Grove, or 12 miles southeast of Indianapolis, moving southeast
at 20 mph.

HAZARD...Two inch 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.

This severe storm will be near...
  New Palestine around 745 PM EDT.

Other locations in the path of this severe thunderstorm include
Fairland, Morristown, Shelbyville and Manilla.

This includes Interstate 74 between mile markers 96 and 123.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3945 8563 3969 8604 3978 8598 3970 8583
      3970 8563 3968 8563 3958 8530 3945 8530
TIME...MOT...LOC 2340Z 305DEG 17KT 3970 8594 

HAIL...2.00IN
WIND...60MPH
 
$$

TDUD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 9:38 AM EDTSpecial Weather StatementINDHenry37 min
Jun 18, 2:10 PM EDTSpecial Weather StatementINDCarroll35 min
Jun 18, 2:48 PM EDTFlash Flood WatchINDBartholomew, Boone, Brown, Clay, Decatur, Delaware and 21 more19 hr
Jun 18, 3:27 PM EDTSevere Thunderstorm WarningINDDelaware, Henry, Randolph33 min
Jun 18, 4:26 PM EDTSevere Thunderstorm WarningINDDelaware, Randolph34 min
Jun 18, 5:04 PM EDTSevere Thunderstorm WarningINDRandolph26 min
Jun 18, 6:42 PM EDTSevere Thunderstorm WarningINDHamilton, Hancock, Marion33 min
Jun 18, 6:53 PM EDTSevere Thunderstorm WarningINDRandolph37 min
Jun 18, 6:55 PM EDTSevere Thunderstorm WarningINDClay, Morgan, Owen, Putnam50 min
Jun 18, 7:15 PM EDTSevere Thunderstorm WarningINDHancock, Henry, Madison, Marion, Rush60 min
Jun 18, 7:45 PM EDTSevere Thunderstorm WarningINDBrown, Monroe, Morgan, Owen45 min
Jun 18, 7:56 PM EDTTornado WarningINDShelby13 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.