Alert archive / Indiana / Special Weather Statements in 2020

Special Weather Statement, NWS Indianapolis, IN

July 8, 2020Boone County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jul 8, 2020, 5:36 PM EDT for Boone County, Indiana. It was in force for 39 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 8, 2020, 5:36 PM EDT (21:36 UTC)
Expired
Jul 8, 2020, 6:15 PM EDT
In force
39 min
Issued by
NWS Indianapolis, IN

County Boone County, IN

The radar

The Indianapolis radar (KIND), 48 km from the middle of the area, began a volume at 21:38 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

Lincoln, IL (KILX), launched 12:00Z, 9.6 hours before the alert went out and 173 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 2020-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 943 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, Lincoln, IL at 12:00Z on 2020-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939Sfc1 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
943 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
1263 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 8, 5:11 PM EDT, 25 minutes earlier.

Area forecast discussion, Jul 8, 5:11 PM EDT, 25 minutes before
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Hazardous weather outlook, Jul 8, 6:02 AM EDT, 11 hours 34 minutes before
Hazardous Weather Outlook
National Weather Service Indianapolis IN
602 AM EDT Wed Jul 8 2020

INZ021-028>031-035>049-051>057-060>065-067>072-091015-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-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, Terre Haute,
Brazil, Clay City, Spencer, Martinsville, Mooresville, Greenwood,
Franklin, Shelbyville, Rushville, Sullivan, Linton, Bloomfield,
Bloomington, Nashville, Columbus, Greensburg, Vincennes, Washington,
Loogootee, Shoals, Bedford, Mitchell, Seymour, Brownstown,
and North Vernon
602 AM EDT Wed Jul 8 2020

This hazardous weather outlook is for central Indiana.

.DAY ONE...Today and Tonight.

Outlook: Patchy morning fog is possible. Thunderstorms are possible
by this afternoon.

Hazards: Reduced visibilities. Lightning strikes and brief heavy
rain.

Timing: Fog through 8 am. Thunderstorms after 1 pm.

Discussion: High pressure will keep it hot and humid today with
another chance of thunderstorms by afternoon.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Outlook: Thunderstorms are possible over all or parts of central
Indiana through Monday. The best chance will be on Friday afternoon
when a few strong or severe storms are possible.

Lightning, brief heavy rain and gusty winds are threats from any
thunderstorm. The Heat index will reach 100 Wednesday and Thursday
afternoons.

Discussion: A sharp upper level trough of low pressure and cold front
will move through Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

&&

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

In the hours before

Special weather statement, Jul 8, 3:16 PM EDT, 2 hours 20 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
316 PM EDT Wed Jul 8 2020

INZ047-055-082015-
Johnson IN-Marion IN-
316 PM EDT Wed Jul 8 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN JOHNSON AND SOUTHERN
MARION COUNTIES UNTIL 415 PM EDT...

At 315 PM EDT, Doppler radar was tracking a strong thunderstorm near
Southport, or 8 miles south of Indianapolis. This storm was nearly
stationary.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Indianapolis, Greenwood, Beech Grove, Southport, Warren Park,
Homecroft and Monument Circle.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3958 8620 3971 8632 3982 8603 3964 8599
TIME...MOT...LOC 1915Z 253DEG 1KT 3967 8620

NIELD
Special weather statement, Jul 8, 3:43 PM EDT, 1 hour 53 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
343 PM EDT Wed Jul 8 2020

INZ021-028>031-035>049-051>057-060>065-067>072-082345-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-
Boone-Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-
Putnam-Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-
Johnson-Shelby-Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-
Decatur-Knox-Daviess-Martin-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, Terre Haute, Brazil, Clay City, Spencer,
Martinsville, Mooresville, Greenwood, Franklin, Shelbyville,
Rushville, Sullivan, Linton, Bloomfield, Bloomington, Nashville,
Columbus, Greensburg, Vincennes, Washington, Loogootee, Shoals,
Bedford, Mitchell, Seymour, Brownstown, and North Vernon
343 PM EDT Wed Jul 8 2020

...Heat Index Values 95 to 100 Degrees This Evening...

The combination of temperatures in the low to mid 90s and dew
points in the lower 70s will result in the heat index values of
95 to 100 degrees through early evening.

Heat indices are expected to reach 95 to 100 degrees again
tomorrow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of water to stay hydrated. Limit outdoor activity
when possible. If driving, always remember to never leave children
or pets unattended in a vehicle.
Special weather statement, Jul 8, 4:33 PM EDT, 1 hour 3 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
433 PM EDT Wed Jul 8 2020

INZ031-082130-
Howard IN-
433 PM EDT Wed Jul 8 2020

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL HOWARD COUNTY UNTIL 530
PM EDT...

At 433 PM EDT, Doppler radar was tracking a strong thunderstorm over
Kokomo. This storm was nearly stationary.

Pea size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Kokomo and Indian Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4041 8601 4040 8619 4040 8624 4056 8623
      4056 8600
TIME...MOT...LOC 2033Z 209DEG 2KT 4049 8610

NIELD
Local storm report, Jul 8, 4:46 PM EDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
446 PM EDT WED JUL 8 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0445 PM     TSTM WND DMG     1 N KOKOMO              40.49N 86.13W
07/08/2020                   HOWARD             IN   TRAINED SPOTTER

            TREES AND POWER POLES DOWN ON NORTH END OF
            KOKOMO.

&&
Special weather statement, Jul 8, 5:36 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 1:12 PM EDTSevere Thunderstorm WarningINDLawrence33 min
Jul 8, 3:16 PM EDTSpecial Weather StatementINDMarion59 min
Jul 8, 4:33 PM EDTSpecial Weather StatementINDHoward57 min
Jul 8, 4:43 PM EDTSevere Thunderstorm WarningINDHoward32 min
Jul 8, 4:55 PM EDTSevere Thunderstorm WarningINDTipton35 min
Jul 8, 5:13 PM EDTAreal Flood AdvisoryINDHoward, Tipton4 hr
Jul 8, 5:15 PM EDTAreal Flood AdvisoryINDCarroll4 hr
Jul 8, 5:45 PM EDTSpecial Weather StatementINDMadison45 min
Jul 8, 5:46 PM EDTSpecial Weather StatementINDTipton44 min
Jul 8, 6:11 PM EDTAreal Flood AdvisoryINDDelaware, Madison3 hr
Jul 8, 6:13 PM EDTAreal Flood AdvisoryINDBoone, Hamilton, Montgomery3 hr
Jul 8, 7:20 PM EDTSpecial Weather StatementINDFountain40 min
Jul 8, 7:43 PM EDTSpecial Weather StatementINDParke47 min

Nearby

Special Weather Statements in Indiana, 2020Every special weather statement in 2020

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.