Alert archive / Indiana / Special Weather Statements in 2018

Special Weather Statement, NWS Indianapolis, IN

June 9, 2018Hamilton County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jun 9, 2018, 1:09 PM EDT for Hamilton County, Indiana. It was in force for 36 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: Jun 9, 2018, 1:09 PM EDT (17:09 UTC)
Expired: Jun 9, 2018, 1:45 PM EDT
In force: 36 min
Issued by: NWS Indianapolis, IN

County Hamilton County, IN

The radar

The Indianapolis radar (KIND), 33 km from the middle of the area, began a volume at 17:10 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, 5.2 hours before the alert went out and 205 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1519 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1159 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 82 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 Jun 9, 10:25 AM EDT, 2 hours 44 minutes earlier.

Area forecast discussion, Jun 9, 10:25 AM EDT, 2 hours 44 minutes before

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Hazardous weather outlook, Jun 9, 5:47 AM EDT, 7 hours 22 minutes before

Hazardous Weather Outlook
National Weather Service Indianapolis IN
547 AM EDT Sat Jun 9 2018

INZ021-028>031-035>049-051>057-060>065-067>072-101000-
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 Lafayette, Frankfort, Kokomo,
Crawfordsville, Anderson, Muncie, Indianapolis, Terre Haute,
Shelbyville, Bloomington, Columbus, Vincennes, Bedford, and Seymour
547 AM EDT Sat Jun 9 2018

This hazardous weather outlook is for central Indiana.

.DAY ONE...Today and Tonight.

Outlook: Thunderstorms possible. Isolated storms could be severe.

Hazards: Lightning. Brief heavy rain. Damaging winds or large hail.

Timing: Possible anytime, but mainly 2 PM to 10 PM.

Discussion: Storms may be triggered by a front stalled over the area.
Storms will be most numerous and strongest during the afternoon and
evening when the air will be hot and unstable.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Outlook: There will a chance for storms most days except for
Wednesday. It is too early to say if there will be severe weather.

Discussion: A front lingering over Indiana into early next week could
cause storms. There should be a brief dry spell under high pressure
midweek, then a renewed chance of storms with another front later in
the week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon or evening.

&&

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, Jun 9, 11:46 AM EDT, 1 hour 23 minutes before

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Special weather statement, Jun 9, 12:40 PM EDT, 29 minutes before

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Special weather statement, Jun 9, 1:09 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Indianapolis IN
109 PM EDT SAT JUN 9 2018

INZ037-039-091745-
Boone IN-Hamilton IN-
109 PM EDT SAT JUN 9 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BOONE AND WESTERN
HAMILTON COUNTIES UNTIL 145 PM EDT...

At 108 PM EDT, Doppler radar was tracking a strong thunderstorm over
Zionsville, or 16 miles northwest of Indianapolis, moving east at 30
mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Carmel, Fishers, Noblesville, Zionsville, Westfield, Cicero,
Whitestown, Sheridan, Arcadia and Morse Reservoir.

LAT...LON 3993 8600 3992 8631 3992 8643 4009 8643
      4018 8601
TIME...MOT...LOC 1708Z 254DEG 26KT 3999 8628

CP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 9:25 PM EDT	Special Weather Statement	IND	Henry	35 min
Jun 8, 9:51 PM EDT	Areal Flood Advisory	IND	Henry	3 hr
Jun 9, 11:46 AM EDT	Special Weather Statement	IND	Parke, Vermillion	44 min
Jun 9, 12:40 PM EDT	Special Weather Statement	IND	Hendricks	50 min
Jun 9, 12:54 PM EDT	Severe Thunderstorm Warning	IND	Hendricks	30 min
Jun 9, 1:18 PM EDT	Special Weather Statement	IND	Brown, Hamilton, Hancock, Johnson, Marion, Morgan	42 min
Jun 9, 2:14 PM EDT	Special Weather Statement	IND	Delaware	46 min
Jun 9, 2:47 PM EDT	Special Weather Statement	IND	Delaware, Randolph	43 min
Jun 9, 2:54 PM EDT	Special Weather Statement	IND	Sullivan	51 min
Jun 9, 3:16 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Sullivan	44 min
Jun 9, 3:41 PM EDT	Special Weather Statement	IND	Knox	34 min
Jun 9, 3:47 PM EDT	Special Weather Statement	IND	Greene	43 min
Jun 9, 3:57 PM EDT	Special Weather Statement	IND	Daviess, Martin	63 min
Jun 9, 3:58 PM EDT	Special Weather Statement	IND	Daviess, Martin	62 min
Jun 9, 4:27 PM EDT	Special Weather Statement	IND	Brown, Lawrence, Monroe	33 min
Jun 9, 4:48 PM EDT	Special Weather Statement	IND	Jackson	42 min

Nearby

Special Weather Statements in Indiana, 2018 Every special weather statement in 2018

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.