Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 12, NWS Indianapolis, IN

June 18, 2021Delaware County, Henry County, Randolph County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 18, 2021, 3:27 PM EDT for Delaware County, Henry County, Randolph County, Indiana. It was in force for 33 min. 2 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, 3:27 PM EDT (19:27 UTC)
Expired
Jun 18, 2021, 4:00 PM EDT
In force
33 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Delaware County, IN, Henry County, IN, Randolph County, IN

The radar

The Indianapolis radar (KIND), 107 km from the middle of the area, began a volume at 19:27 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, 3:27 PM EDTHAIL 12 Sse Royerton, INESTIMATED QUARTER SIZE HAIL NEAR HWY 35 AND 67.
Jun 18, 3:30 PM EDTHAIL 0.73 Ene Royerton, 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 12:00Z, 7.5 hours before the alert went out and 146 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.

351 
WUUS53 KIND 181927
SVRIND
INC035-065-135-182000-
/O.NEW.KIND.SV.W.0012.210618T1927Z-210618T2000Z/

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

The National Weather Service in Indianapolis has issued a

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

* Until 400 PM EDT.

* At 327 PM EDT, a severe thunderstorm was located near Albany, or
  near Muncie, moving east at 45 mph.

  HAZARD...60 mph wind gusts and quarter 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...
  Albany around 330 PM EDT.
  Parker City around 335 PM EDT.
  Farmland around 340 PM EDT.
  Ridgeville around 345 PM EDT.

Other locations in the path of this severe thunderstorm include
Winchester, Saratoga and Union City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4000 8515 4004 8557 4024 8555 4038 8527
      4038 8522 4031 8522 4031 8480 4001 8481
TIME...MOT...LOC 1927Z 272DEG 41KT 4025 8528 

HAIL...1.00IN
WIND...60MPH
 
$$

TDUD
3 follow-up statements
927 
WWUS53 KIND 181938
SVSIND

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

INC035-065-135-182000-
/O.CON.KIND.SV.W.0012.000000T0000Z-210618T2000Z/
Delaware IN-Randolph IN-Henry IN-
338 PM EDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR SOUTHERN DELAWARE...RANDOLPH AND NORTHEASTERN HENRY COUNTIES...

At 338 PM EDT, a severe thunderstorm was located 7 miles southeast of
Albany, or 11 miles southeast of Dunkirk, moving east at 50 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
  Winchester, Saratoga and Union City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4000 8515 4004 8554 4012 8553 4025 8534
      4028 8526 4031 8522 4031 8480 4001 8481
TIME...MOT...LOC 1938Z 274DEG 43KT 4022 8513 

HAIL...1.00IN
WIND...60MPH
 
$$

TDUD
085 
WWUS53 KIND 181950
SVSIND

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

INC035-065-135-182000-
/O.CON.KIND.SV.W.0012.000000T0000Z-210618T2000Z/
Delaware IN-Randolph IN-Henry IN-
350 PM EDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR SOUTHEASTERN DELAWARE...RANDOLPH AND NORTHEASTERN HENRY
COUNTIES...

At 350 PM EDT, a severe thunderstorm was located over Winchester, or
15 miles south of Portland, moving east at 40 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Winchester, Union City, Parker City, Farmland, Lynn, Ridgeville,
Saratoga, Losantville, Modoc, Springport, Blountsville, Summit Lake
State Park and Prairie Creek Reservoir.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4000 8515 4003 8540 4009 8539 4015 8532
      4018 8524 4028 8520 4031 8480 4001 8481
TIME...MOT...LOC 1950Z 274DEG 34KT 4021 8500 

HAIL...1.00IN
WIND...60MPH
 
$$

TDUD
143 
WWUS53 KIND 182000
SVSIND

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

INC035-065-135-182009-
/O.EXP.KIND.SV.W.0012.000000T0000Z-210618T2000Z/
Delaware IN-Randolph IN-Henry IN-
400 PM EDT Fri Jun 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DELAWARE...
RANDOLPH AND NORTHEASTERN HENRY COUNTIES WILL EXPIRE AT 400 PM EDT...
                
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 will be allowed to expire.  However small hail
is still possible with this thunderstorm.

LAT...LON 4000 8515 4003 8540 4009 8539 4015 8532
      4018 8524 4028 8520 4031 8480 4001 8481
TIME...MOT...LOC 1959Z 272DEG 41KT 4021 8489 

$$

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, 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, 7:31 PM EDTSevere Thunderstorm WarningINDHancock, Marion, Rush, Shelby44 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.