Alert archive / Indiana / Special Weather Statements in 2017

Special Weather Statement, NWS Indianapolis, IN

June 30, 2017Daviess County, Martin County, Indiana

NWS Indianapolis, IN issued this special weather statement at Jun 30, 2017, 7:21 PM EDT for Daviess County, Martin County, Indiana. It was in force for 24 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 30, 2017, 7:21 PM EDT (23:21 UTC)
Expired
Jun 30, 2017, 7:45 PM EDT
In force
24 min
Issued by
NWS Indianapolis, IN

Counties Daviess County, IN, Martin County, IN

The radar

The Evansville,IN radar (KVWX), 70 km from the middle of the area, began a volume at 23:23 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, 11.4 hours before the alert went out and 226 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 2017-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 79 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2017-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
79 J/kg
Mixed-layer CIN
-298 J/kg
Mixed-layer LCL
1391 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

078 
WWUS83 KIND 302321
SPSIND

Special Weather Statement
National Weather Service Indianapolis IN
721 PM EDT FRI JUN 30 2017
 
INZ068-069-302345-
Daviess IN-Martin IN-
721 PM EDT FRI JUN 30 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MARTIN AND SOUTHERN
DAVIESS COUNTIES UNTIL 745 PM EDT...

At 721 PM EDT, Doppler radar was tracking a strong thunderstorm near
Washington, or 10 miles northeast of Petersburg, moving east at 35
mph.

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

Locations impacted include...
Washington, Shoals, Loogootee, Montgomery, Cannelburg, Alfordsville,
Roland, Glendale Fishery, Lacy and Portersville.

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 3850 8696 3850 8698 3851 8700 3851 8704
      3850 8706 3854 8711 3853 8712 3853 8714
      3852 8713 3852 8715 3855 8718 3855 8721
      3874 8720 3870 8668 3853 8668 3853 8683
      3849 8688 3850 8692 3851 8693 3849 8695
TIME...MOT...LOC 2321Z 268DEG 31KT 3858 8713 

$$

50

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 9:29 PM EDTSpecial Weather StatementINDFountain46 min
Jun 30, 2:41 AM EDTAreal Flood WarningINDDelaware, Randolph3 hr
Jun 30, 2:02 PM EDTSpecial Weather StatementINDVigo43 min
Jun 30, 2:08 PM EDTRiver Flood WarningINDDelaware, Randolph20 hr
Jun 30, 2:19 PM EDTSpecial Weather StatementINDCarroll41 min
Jun 30, 3:04 PM EDTSpecial Weather StatementINDHendricks26 min
Jun 30, 3:52 PM EDTSpecial Weather StatementINDMarion23 min
Jun 30, 4:06 PM EDTSevere Thunderstorm WarningINDHendricks, Marion24 min
Jun 30, 4:15 PM EDTAreal Flood WarningINDMadison, Tipton3 hr
Jun 30, 4:53 PM EDTSpecial Weather StatementINDHancock37 min
Jun 30, 6:11 PM EDTAreal Flood WarningINDClay, Vigo3 hr
Jun 30, 6:50 PM EDTAreal Flood WarningINDMarion3 hr
Jun 30, 6:55 PM EDTSpecial Weather StatementINDRandolph35 min
Jun 30, 7:31 PM EDTSpecial Weather StatementINDRush, Shelby29 min
Jun 30, 7:45 PM EDTSevere Thunderstorm WarningINDMartin15 min

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.