Alert archive / Indiana / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 115, NWS Indianapolis, IN

June 21, 20196 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 21, 2019, 4:42 PM EDT for 6 counties in Indiana. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 21, 2019, 4:42 PM EDT (20:42 UTC)
Expired
Jun 21, 2019, 5:30 PM EDT
In force
48 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Clay County, IN, Daviess County, IN, Greene County, IN, Knox County, IN, Sullivan County, IN, Vigo County, IN

The radar

The Evansville,IN radar (KVWX), 98 km from the middle of the area, began a volume at 20:46 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 21, 1:06 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.7 hours before the alert went out and 169 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, Lincoln, IL at 12:00Z on 2019-06-21Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2019-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
1187 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 4:21 PM EDT, 21 minutes earlier.

Area forecast discussion, Jun 21, 4:21 PM EDT, 21 minutes before
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Hazardous weather outlook, Jun 21, 1:23 PM EDT, 3 hours 19 minutes before
Hazardous Weather Outlook
National Weather Service Indianapolis IN
123 PM EDT Fri Jun 21 2019

INZ021-028>031-035>049-054>057-062>065-070>072-221000-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Morgan-Johnson-Shelby-Rush-Monroe-
Brown-Bartholomew-Decatur-Lawrence-Jackson-Jennings-
Including the cities of Delphi, Flora, Williamsport, West Lebanon,
Lafayette, West Lafayette, Frankfort, Kokomo, Attica, Covington,
Veedersburg, Crawfordsville, Lebanon, Zionsville, Tipton, Fishers,
Carmel, Noblesville, Anderson, Muncie, Winchester, Clinton, Newport,
Rockville, Greencastle, Plainfield, Brownsburg, Danville,
Indianapolis, Greenfield, Cumberland, New Castle, Martinsville,
Mooresville, Greenwood, Franklin, Shelbyville, Rushville,
Bloomington, Nashville, Columbus, Greensburg, Bedford, Mitchell,
Seymour, Brownstown, and North Vernon
123 PM EDT Fri Jun 21 2019

This hazardous weather outlook is for central Indiana.

.DAY ONE...This Afternoon and Tonight.

Outlook: Thunderstorm activity is expected by late this afternoon
and tonight. A few severe storms are possible later this afternoon
and evening, especially southwest of a Kokomo to New Castle line.

Hazards: Main hazards are damaging winds...heavy rainfall causing
flooding and frequent cloud to ground lightning. Secondary hazard is
large hail.

Timing: Best chances for severe storms between 400 PM and 900 PM
EDT.

Discussion: A large complex of thunderstorms is expected to move
southeast out of Illinois this afternoon. A few severe storms are
possible as this complex moves through the area later this afternoon
and evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Outlook: Periodic threats for showers and thunderstorms will exist
through Tuesday. Additional threats for severe weather and torrential
rainfall causing flooding will exist into early next week.

Heat indices will peak in the low to mid 90s on Sunday.

Discussion: A nearby frontal boundary and several upper waves will
maintain the threat for clusters of showers and thunderstorms across
central Indiana through the weekend and into early next week.
Repeated heavy rainfall over the same areas will likely cause
flooding problems.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report severe weather as well as rainfall
amounts and any new flooding.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

INZ051>053-060-061-067>069-221000-
Vigo-Clay-Owen-Sullivan-Greene-Knox-Daviess-Martin-
Including the cities of Terre Haute, Brazil, Clay City, Spencer,
Sullivan, Linton, Bloomfield, Vincennes, Washington, Loogootee,
and Shoals
123 PM EDT Fri Jun 21 2019

This hazardous weather outlook is for central Indiana.

.DAY ONE...This Afternoon and Tonight.

Outlook: Thunderstorm activity is expected by late this afternoon and
tonight. Severe storms are possible late this afternoon and evening.

Hazards: Main hazards are damaging winds...heavy rainfall causing
flooding and frequent cloud to ground lightning. Secondary hazards
isolated tornadoes and large hail.

Timing: Best chances for severe storms between 400 PM and 900 PM
EDT.

Discussion: A large complex of thunderstorms is expected to move
southeast out of Illinois this afternoon. Severe storms are possible
as this complex moves through the area later this afternoon and
evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Outlook: Periodic threats for showers and thunderstorms will exist
through Tuesday. Additional threats for severe weather and torrential
rainfall causing flooding will exist into early next week.

Heat indices will peak in the low to mid 90s on Sunday.

Discussion: A nearby frontal boundary and several upper waves will
maintain the threat for clusters of showers and thunderstorms across
central Indiana through the weekend and into early next week.
Repeated heavy rainfall over the same areas will likely cause
flooding problems.

.SPOTTER INFORMATION STATEMENT...

Severe storm spotter activation is possible later this afternoon and
evening.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:33 AM EDTRiver Flood WarningINDFountain, Parke, Vermillion, Warren39 hr
Jun 21, 3:45 PM EDTFlash Flood WatchINDBrown, Clay, Daviess, Greene, Jackson, Knox and 6 more20 hr
Jun 21, 4:26 PM EDTSevere Thunderstorm WarningINDKnox49 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2019Every severe thunderstorm warning in 2019

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.