Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 66, NWS Indianapolis, IN

August 7, 2021Randolph County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 7, 2021, 8:50 PM EDT for Randolph County, Indiana. It was in force for 32 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
Aug 7, 2021, 8:50 PM EDT (00:50 UTC)
Expired
Aug 7, 2021, 9:22 PM EDT
In force
32 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Randolph County, IN

The radar

The Indianapolis radar (KIND), 118 km from the middle of the area, began a volume at 00:54 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
Aug 7, 8:58 PM EDTHAIL 15 Wsw Ridgeville, 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, 0.8 hours before the alert went out and 134 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 2021-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 323 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 2021-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
323 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1502 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

146 
WUUS53 KIND 080050
SVRIND
INC135-080145-
/O.NEW.KIND.SV.W.0066.210808T0050Z-210808T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
850 PM EDT Sat Aug 7 2021

The National Weather Service in Indianapolis has issued a

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

* Until 945 PM EDT.

* At 850 PM EDT, a severe thunderstorm was located near Redkey, or 9
  miles southeast of Dunkirk, moving south at 15 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Parker City around 910 PM EDT.

Other locations in the path of this severe thunderstorm include
Farmland and Winchester.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4009 8483 4006 8521 4018 8522 4031 8520
      4031 8493
TIME...MOT...LOC 0050Z 350DEG 11KT 4027 8509 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

TDUD
2 follow-up statements
867 
WWUS53 KIND 080103
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
903 PM EDT Sat Aug 7 2021

INC135-080145-
/O.CON.KIND.SV.W.0066.000000T0000Z-210808T0145Z/
Randolph IN-
903 PM EDT Sat Aug 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR RANDOLPH COUNTY...

At 903 PM EDT, a severe thunderstorm was located 7 miles southeast of
Redkey, or 10 miles southeast of Dunkirk, moving south at 10 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
  Parker City, Farmland and Winchester.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4009 8483 4006 8521 4018 8522 4031 8520
      4031 8493
TIME...MOT...LOC 0103Z 351DEG 10KT 4025 8509 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

TDUD
072 
WWUS53 KIND 080122
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
922 PM EDT Sat Aug 7 2021

INC135-080132-
/O.CAN.KIND.SV.W.0066.000000T0000Z-210808T0145Z/
Randolph IN-
922 PM EDT Sat Aug 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR RANDOLPH COUNTY IS
CANCELLED...
                
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 has been cancelled.

LAT...LON 4009 8483 4006 8521 4018 8522 4031 8520
      4031 8493
TIME...MOT...LOC 0120Z 350DEG 11KT 4019 8508 

$$

TDUD

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.