Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 54, NWS Indianapolis, IN

July 16, 2021Decatur County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 16, 2021, 5:53 PM EDT for Decatur County, Indiana. It was in force for 22 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
Jul 16, 2021, 5:53 PM EDT (21:53 UTC)
Expired
Jul 16, 2021, 6:15 PM EDT
In force
22 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Decatur County, IN

The radar

The Indianapolis radar (KIND), 94 km from the middle of the area, began a volume at 21:56 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 12:00Z, 9.9 hours before the alert went out and 137 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 2021-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 291 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2021-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
291 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
941 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

256 
WUUS53 KIND 162153
SVRIND
INC031-162215-
/O.NEW.KIND.SV.W.0054.210716T2153Z-210716T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
553 PM EDT Fri Jul 16 2021

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Southeastern Decatur County in central Indiana...

* Until 615 PM EDT.

* At 552 PM EDT, a severe thunderstorm was located 9 miles south of
  Greensburg, or 14 miles southwest of Batesville, moving east at 20
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Decatur County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3926 8530 3918 8547 3921 8550 3928 8530
TIME...MOT...LOC 2152Z 252DEG 17KT 3920 8546 

HAIL...<.75IN
WIND...60MPH
 
$$
TWF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 8:06 PM EDTSpecial Weather StatementINDRandolph24 min
Jul 15, 8:11 PM EDTSpecial Weather StatementINDTippecanoe49 min
Jul 15, 8:39 PM EDTAreal Flood AdvisoryINDCarroll3 hr
Jul 16, 8:54 AM EDTRiver Flood WarningINDJohnson21 days
Jul 16, 9:23 AM EDTRiver Flood WarningINDMarion23 hr
Jul 16, 11:19 AM EDTRiver Flood WarningINDBartholomew, Johnson, Shelby4 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDMonroe, Morgan, Owen24 hr
Jul 16, 11:19 AM EDTRiver Flood WarningINDMonroe, Morgan, Owen24 hr
Jul 16, 11:19 AM EDTRiver Flood WarningINDShelby50 hr
Jul 16, 11:19 AM EDTRiver Flood WarningINDClay, Greene24 hr
Jul 16, 11:19 AM EDTRiver Flood WarningINDBartholomew, Jackson3 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDDaviess, Greene, Knox8 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDGreene, Monroe, Owen3 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDParke, Vermillion, Vigo5 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDKnox, Sullivan7 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDBartholomew66 hr
Jul 16, 11:19 AM EDTRiver Flood WarningINDKnox, Sullivan7 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDJackson, Lawrence, Washington5 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDSullivan, Vigo5 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDDaviess, Greene, Knox4 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDMarion, Morgan3 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDDaviess, Gibson, Knox, Pike10 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDDaviess, Gibson, Knox, Pike6 days
Jul 16, 11:19 AM EDTRiver Flood WarningINDMarion, Morgan69 hr
Jul 16, 12:16 PM EDTSevere Thunderstorm WarningINDDecatur, Jennings29 min
Jul 16, 3:04 PM EDTSpecial Weather StatementINDBrown26 min
Jul 16, 3:11 PM EDTSevere Thunderstorm WarningINDDaviess, Greene, Martin34 min
Jul 16, 3:44 PM EDTSpecial Weather StatementINDBrown31 min
Jul 16, 4:45 PM EDTSpecial Weather StatementINDMorgan30 min
Jul 16, 5:20 PM EDTSpecial Weather StatementINDLawrence, Martin25 min
Jul 16, 5:49 PM EDTSpecial Weather StatementINDLawrence26 min
Jul 16, 6:19 PM EDTSpecial Weather StatementINDBartholomew41 min
Jul 16, 7:47 PM EDTSpecial Weather StatementINDRipley13 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.