Alert archive / Indiana / Special Weather Statements in 2017

Special Weather Statement, NWS Indianapolis, IN

November 6, 2017Decatur County, Indiana

NWS Indianapolis, IN issued this special weather statement at Nov 6, 2017, 1:39 AM EST for Decatur County, Indiana. It was in force for 51 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
Nov 6, 2017, 1:39 AM EST (06:39 UTC)
Expired
Nov 6, 2017, 2:30 AM EST
In force
51 min
Issued by
NWS Indianapolis, IN

County Decatur County, IN

The radar

The Indianapolis radar (KIND), 85 km from the middle of the area, began a volume at 06:42 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.7 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 00:00Z on 2017-11-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 175 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, Cncnati-Daytn, OH at 00:00Z on 2017-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 441 square meters per square second.19395878Sfc1 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
175 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
966 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
441 m²/s²
0-3 km storm-relative helicity
595 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.5

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 Nov 5, 11:48 PM EST, 1 hour 51 minutes earlier.

Area forecast discussion, Nov 5, 11:48 PM EST, 1 hour 51 minutes before
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</head>
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Hazardous weather outlook, Nov 5, 8:10 PM EST, 5 hours 29 minutes before
Hazardous Weather Outlook
National Weather Service Indianapolis IN
810 PM EST Sun Nov 5 2017

INZ021-028>031-035>049-051>057-060>062-070115-
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-
Including the cities of Lafayette, Frankfort, Kokomo,
Crawfordsville, Anderson, Muncie, Indianapolis, Terre Haute,
Shelbyville, and Bloomington
810 PM EST Sun Nov 5 2017

This hazardous weather outlook is for central Indiana.

.DAY ONE...Tonight.

Outlook: Scattered thunderstorms into tonight.

Hazards: Gusty winds...small hail...brief downpours...and cloud to
ground lightning.

Timing: Through 3 am EST.

Discussion: The passage of a cold front into tonight will bring the
threat for scattered thunderstorms to portions of central Indiana.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Outlook: Scattered showers are possible late Monday into
Tuesday...especially south of Interstate 70. Showers will be possible
again on Saturday.

Discussion: The passage of low pressure through the Tennessee Valley
will bring scattered showers to south central Indiana Monday night
and early Tuesday. Dry and cooler weather is then expected with high
pressure through the rest of the work week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is no longer anticipated at this time.

&&

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

INZ063>065-067>072-070115-
Brown-Bartholomew-Decatur-Knox-Daviess-Martin-Lawrence-Jackson-
Jennings-
Including the cities of Columbus, Vincennes, Bedford, and Seymour
810 PM EST Sun Nov 5 2017

This hazardous weather outlook is for central Indiana.

.DAY ONE...Tonight.

Outlook: Severe thunderstorms and heavy rainfall.

Hazards: Damaging winds...large hail...a few tornadoes...heavy
rainfall causing flooding and cloud to ground lightning.

Timing: Through 4 am EST.

Discussion: The approach and passage of a cold front into tonight
will bring the threat for severe thunderstorms and heavy rainfall.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Outlook: Scattered showers are possible late Monday into
Tuesday...especially south of Interstate 70. Showers will be possible
again on Saturday.

Discussion: The passage of low pressure through the Tennessee Valley
will bring scattered showers to south central Indiana Monday night
and early Tuesday. Dry and cooler weather is then expected with high
pressure through the rest of the work week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed into tonight.

&&

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

In the hours before

Local storm report, Nov 5, 9:30 PM EST, 4 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
930 PM EST SUN NOV 5 2017

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

0120 PM     TSTM WND DMG     SPRINGVILLE             38.93N 86.62W
11/05/2017                   LAWRENCE           IN   BROADCAST MEDIA

            WIDESPREAD DAMAGE ACROSS PORTIONS OF
            SPRINGVILLE NEAR POPCORN ROAD. MOBILE HOME
            DAMAGED, TRAILER KNOCKED OVER AND NUMEROUS
            TREES DAMAGED.

&&

AW
Local storm report, Nov 5, 9:37 PM EST, 4 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
937 PM EST SUN NOV 5 2017

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

0640 PM     TSTM WND DMG     3 NNE POLAND            39.49N 86.93W
11/05/2017                   PUTNAM             IN   PUBLIC

            TREE LIMBS SNAPPED ALONG COUNTY ROAD 1200
            SOUTH. RELAYED VIA SOCIAL MEDIA.

&&

AW
Local storm report, Nov 5, 9:58 PM EST, 3 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
958 PM EST SUN NOV 5 2017

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

0700 PM     FLASH FLOOD      MUNCIE                  40.19N 85.39W
11/05/2017                   DELAWARE           IN   PUBLIC

            FLASH FLOODING IN MUNCIE AND ACROSS MUCH OF
            DELEWARE COUNTY. SEVERAL STREETS CLOSED WITH
            WATER FLOWING OVER THEM IN MUNCIE.

&&

AW
Local storm report, Nov 5, 10:02 PM EST, 3 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1002 PM EST SUN NOV 5 2017

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

0600 PM     FLASH FLOOD      JONESVILLE              39.06N 85.89W
11/05/2017                   BARTHOLOMEW        IN   PUBLIC

            DISPATCH REPORTED FLOODED ROADS ACROSS
            PORTIONS OF JONESVILLE.

&&

AW
Local storm report, Nov 5, 10:13 PM EST, 3 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1013 PM EST SUN NOV 5 2017

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

0955 PM     FLOOD            1 ENE HELMSBURG         39.27N 86.27W
11/05/2017                   BROWN              IN   TRAINED SPOTTER

            SPOTTER REPORTS 6-9 INCHES OF STANDING WATER
            ON LICK CREEK ROAD NORTH OF STATE ROAD 45.
            SEVERAL VEHICLES STALLED IN WATER.

&&

AW
Special weather statement, Nov 6, 1:39 AM EST, 0 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
139 AM EST MON NOV 6 2017

INZ065-060730-
Decatur IN-
139 AM EST MON NOV 6 2017

...SIGNIFICANT WEATHER ADVISORY FOR DECATUR COUNTY UNTIL 230 AM
EST...

At 138 AM EST, Doppler radar was tracking a strong thunderstorm 12
miles east of Columbus, moving northeast at 40 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Greensburg, Westport, Millhousen, Newpoint, Letts and Lake Santee.

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 3921 8541 3913 8565 3913 8569 3925 8569
      3942 8537 3945 8530 3927 8530
TIME...MOT...LOC 0638Z 236DEG 35KT 3921 8569

Ryan

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 5, 7:00 PM ESTFlash Flood WarningINDJohnson, Morgan, Rush, Shelby3 hr
Nov 5, 7:18 PM ESTAreal Flood WarningINDBrown, Monroe3 hr
Nov 5, 7:32 PM ESTAreal Flood WarningINDBartholomew, Decatur3 hr
Nov 5, 7:43 PM ESTSevere Thunderstorm WarningINDBartholomew, Decatur32 min
Nov 5, 9:56 PM ESTAreal Flood WarningINDDelaware3 hr
Nov 5, 10:03 PM ESTTornado WarningINDJackson11 min
Nov 5, 10:17 PM ESTRiver Flood WarningINDShelby36 hr
Nov 5, 10:17 PM ESTRiver Flood WarningINDBartholomew, Johnson, Shelby69 hr
Nov 5, 10:17 PM ESTRiver Flood WarningINDJackson, Lawrence, Washington5 days
Nov 5, 10:17 PM ESTRiver Flood WarningINDHamilton, Madison44 hr
Nov 5, 10:17 PM ESTRiver Flood WarningINDHamilton, Marion38 hr
Nov 5, 10:17 PM ESTRiver Flood WarningINDMarion, Morgan50 hr
Nov 5, 10:17 PM ESTRiver Flood WarningINDMarion, Morgan55 hr
Nov 5, 10:17 PM ESTRiver Flood WarningINDDelaware, Randolph17 hr
Nov 5, 10:19 PM ESTRiver Flood WarningINDHenry, Rush, Shelby29 hr
Nov 5, 10:19 PM ESTRiver Flood WarningINDBartholomew23 hr
Nov 5, 10:43 PM ESTRiver Flood WarningINDJohnson36 hr
Nov 5, 10:55 PM ESTAreal Flood WarningINDBartholomew, Brown, Daviess, Decatur, Jackson, Jennings and 2 more3 hr
Nov 5, 10:56 PM ESTRiver Flood WarningINDBartholomew15 hr
Nov 6, 4:51 AM ESTRiver Flood WarningINDJackson, Jennings, Washington17 hr
Nov 6, 11:25 AM ESTRiver Flood WarningINDJackson, Lawrence, Washington6 days
Nov 6, 11:25 AM ESTRiver Flood WarningINDDaviess, Greene, Knox53 hr
Nov 6, 11:25 AM ESTRiver Flood WarningINDDaviess, Gibson, Knox, Pike56 hr

Nearby

Special Weather Statements in Indiana, 2017Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.