Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 16, NWS Indianapolis, IN

June 18, 2021Randolph County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 18, 2021, 6:53 PM EDT for Randolph County, Indiana. It was in force for 37 min. 1 report 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, 6:53 PM EDT (22:53 UTC)
Expired: Jun 18, 2021, 7:30 PM EDT
In force: 37 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Randolph County, IN

The radar

The Indianapolis radar (KIND), 124 km from the middle of the area, began a volume at 22:52 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
Jun 18, 6:58 PM EDT	HAIL 1	6 Ne Saratoga, 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
Jun 18, 6:23 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.9 hours before the alert went out and 127 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: 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.

752 
WUUS53 KIND 182253
SVRIND
INC135-182330-
/O.NEW.KIND.SV.W.0016.210618T2253Z-210618T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
653 PM EDT Fri Jun 18 2021

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Eastern Randolph County in east central Indiana...

* Until 730 PM EDT.

* At 653 PM EDT, a severe thunderstorm was located near Winchester,
  or 13 miles south of Portland, moving southeast at 40 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.

* This severe thunderstorm will be near...
  Union City around 705 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4001 8502 4028 8506 4031 8500 4031 8480
      4001 8481
TIME...MOT...LOC 2253Z 302DEG 34KT 4025 8492 

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

TDUD

1 follow-up statement

407 
WWUS53 KIND 182304
SVSIND

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

INC135-182330-
/O.CON.KIND.SV.W.0016.000000T0000Z-210618T2330Z/
Randolph IN-
704 PM EDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR EASTERN RANDOLPH COUNTY...

At 704 PM EDT, a severe thunderstorm was located over Union City, or
13 miles northwest of Greenville, moving southeast at 35 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.

This severe thunderstorm will remain over mainly rural areas of
eastern Randolph County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4001 8502 4026 8501 4031 8500 4031 8480
      4001 8481
TIME...MOT...LOC 2304Z 296DEG 31KT 4023 8482 

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

TDUD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 9:38 AM EDT	Special Weather Statement	IND	Henry	37 min
Jun 18, 2:10 PM EDT	Special Weather Statement	IND	Carroll	35 min
Jun 18, 2:48 PM EDT	Flash Flood Watch	IND	Bartholomew, Boone, Brown, Clay, Decatur, Delaware and 21 more	19 hr
Jun 18, 3:27 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Randolph	33 min
Jun 18, 4:26 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	34 min
Jun 18, 5:04 PM EDT	Severe Thunderstorm Warning	IND	Randolph	26 min
Jun 18, 6:42 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Marion	33 min
Jun 18, 6:55 PM EDT	Severe Thunderstorm Warning	IND	Clay, Morgan, Owen, Putnam	50 min
Jun 18, 7:15 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Madison, Marion, Rush	60 min
Jun 18, 7:31 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Marion, Rush, Shelby	44 min
Jun 18, 7:45 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Morgan, Owen	45 min
Jun 18, 7:56 PM EDT	Tornado Warning	IND	Shelby	13 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.