Alert archive / Indiana / Special Weather Statements in 2017

Special Weather Statement, NWS Indianapolis, IN

August 29, 2017Shelby County, Indiana

NWS Indianapolis, IN issued this special weather statement at Aug 29, 2017, 12:45 AM EDT for Shelby County, Indiana. It was in force for 45 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: Aug 29, 2017, 12:45 AM EDT (04:45 UTC)
Expired: Aug 29, 2017, 1:30 AM EDT
In force: 45 min
Issued by: NWS Indianapolis, IN

County Shelby County, IN

The radar

The Indianapolis radar (KIND), 34 km from the middle of the area, began a volume at 04:44 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 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 Aug 28, 10:15 PM EDT, 2 hours 30 minutes earlier.

Area forecast discussion, Aug 28, 10:15 PM EDT, 2 hours 30 minutes before

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Hazardous weather outlook, Aug 28, 4:29 PM EDT, 8 hours 16 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Indianapolis IN
429 PM EDT Mon Aug 28 2017

INZ021-028>031-035>049-051>057-060>065-067>072-292030-
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
429 PM EDT Mon Aug 28 2017

This hazardous weather outlook is for central Indiana.

.DAY ONE...Tonight.

Outlook: Scattered showers and thunderstorms are expected.

Hazards: Lightning...brief heavy rainfall...small hail and gusty
winds.

Timing: Any time.

Discussion: Scattered showers and thunderstorms will form as an
upper level low dives into the region from the northwest.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Outlook: Scattered thunderstorms are possible across central Indiana
on Tuesday. Isolated thunderstorms are possible Friday through
Saturday night. Severe weather is not expected at this time.
However, any thunderstorm is capable of producing cloud to ground
lightning, brief heavy rain and gusty winds.

Discussion: Scattered showers and thunderstorms will continue on Tuesday
as an upper level wave moves slowly through the region. Additional
frontal boundaries may spark showers and isolated thunderstorms
from Friday through Saturday night.

.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, Aug 28, 9:55 PM EDT, 2 hours 50 minutes before

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Special weather statement, Aug 28, 11:54 PM EDT, 51 minutes before

Special Weather Statement
National Weather Service Indianapolis IN
1154 PM EDT MON AUG 28 2017

INZ047-290445-
Marion IN-
1154 PM EDT MON AUG 28 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MARION COUNTY UNTIL 1245
AM EDT...

At 1153 PM EDT, Doppler radar was tracking a strong thunderstorm near
Speedway, or 7 miles southwest of Indianapolis, moving east at 15
mph.

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

Locations impacted include...
Indianapolis, Greenwood, Beech Grove, Speedway, Southport, Warren
Park, Clermont, Homecroft, Indianapolis Int'l Airport, Monument
Circle and Camby.

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.

&&

LAT...LON 3964 8602 3963 8623 3963 8631 3980 8633
      3982 8633 3983 8603
TIME...MOT...LOC 0353Z 268DEG 12KT 3972 8625

Ryan

Local storm report, Aug 29, 12:40 AM EDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1240 AM EDT TUE AUG 29 2017

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

1225 AM     HAIL             4 W HOMECROFT           39.66N 86.20W
08/29/2017  E0.75 INCH       MARION             IN   PUBLIC

1147 PM     TSTM WND GST     3 S CLERMONT            39.77N 86.32W
08/28/2017  M54 MPH          MARION             IN   ASOS

&&

Special weather statement, Aug 29, 12:45 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service Indianapolis IN
1245 AM EDT TUE AUG 29 2017

INZ047-048-055-056-290530-
Johnson IN-Shelby IN-Hancock IN-Marion IN-
1245 AM EDT TUE AUG 29 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN SHELBY...SOUTHERN
HANCOCK...NORTHEASTERN JOHNSON AND SOUTHEASTERN MARION COUNTIES UNTIL
130 AM EDT...

At 1244 AM EDT, Doppler radar was tracking a strong thunderstorm over
Southport, or 9 miles southeast of Indianapolis, moving east at 25
mph.

Dime size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Indianapolis, Shelbyville, Greenwood, Franklin, Greenfield, Beech
Grove, Southport, New Whiteland, Whiteland, Bargersville, New
Palestine, Morristown, Homecroft, Fairland and Boggstown.

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.

&&

LAT...LON 3952 8617 3974 8616 3977 8564 3966 8563
      3951 8563
TIME...MOT...LOC 0444Z 268DEG 22KT 3965 8606

Ryan

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 8:40 PM EDT	Areal Flood Advisory	IND	Fountain, Vermillion, Warren	4 hr
Aug 28, 9:55 PM EDT	Special Weather Statement	IND	Jennings	35 min
Aug 28, 11:49 PM EDT	Areal Flood Advisory	IND	Henry, Rush	3 hr
Aug 28, 11:54 PM EDT	Special Weather Statement	IND	Marion	51 min
Aug 29, 12:15 AM EDT	Areal Flood Advisory	IND	Marion	3 hr
Aug 29, 1:13 AM EDT	Flash Flood Warning	IND	Henry, Rush	3 hr
Aug 29, 1:50 AM EDT	Special Weather Statement	IND	Shelby	25 min
Aug 29, 2:24 AM EDT	Special Weather Statement	IND	Rush	36 min
Aug 29, 3:32 AM EDT	Areal Flood Advisory	IND	Randolph	3 hr
Aug 29, 3:35 AM EDT	Areal Flood Advisory	IND	Decatur, Rush	3 hr

Nearby

Special Weather Statements in Indiana, 2017 Every special weather statement in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.