Alert archive / Indiana / Special Weather Statements in 2019

Special Weather Statement, NWS Indianapolis, IN

November 27, 20194 counties in Indiana

NWS Indianapolis, IN issued this special weather statement at Nov 27, 2019, 3:39 AM EST for 4 counties in 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: Nov 27, 2019, 3:39 AM EST (08:39 UTC)
Expired: Nov 27, 2019, 4:15 AM EST
In force: 36 min
Issued by: NWS Indianapolis, IN

Counties Daviess County, IN, Greene County, IN, Knox County, IN, Owen County, IN

The radar

The Evansville,IN radar (KVWX), 76 km from the middle of the area, began a volume at 08:38 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 00:00Z, 8.7 hours before the alert went out and 179 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 596 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: 417 m²/s²
0-3 km storm-relative helicity: 467 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 Nov 26, 11:48 PM EST, 3 hours 51 minutes earlier.

Area forecast discussion, Nov 26, 11:48 PM EST, 3 hours 51 minutes before

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Hazardous weather outlook, Nov 26, 9:42 PM EST, 5 hours 57 minutes before

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In the hours before

Special weather statement, Nov 27, 3:39 AM EST, 0 minutes before

Special Weather Statement
National Weather Service Indianapolis IN
339 AM EST Wed Nov 27 2019

INZ052-053-060-061-067-068-270915-
Daviess IN-Knox IN-Owen IN-Clay IN-Greene IN-Sullivan IN-
339 AM EST Wed Nov 27 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN SULLIVAN...
NORTHEASTERN KNOX...SOUTHWESTERN CLAY...SOUTHERN OWEN...GREENE AND
NORTHERN DAVIESS COUNTIES UNTIL 415 AM EST...

At 339 AM EST, Doppler radar was tracking strong thunderstorms along
a line extending from 15 miles north of Linton to near Russellville.
Movement was northeast at 50 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Vincennes, Linton, Bloomfield, Spencer, Bicknell, Jasonville,
Worthington, Odon, Dugger, Clay City, Lyons, Carlisle, Elnora,
Oaktown, Bruceville, Plainville, Sandborn, Edwardsport, Switz City
and Newberry.

LAT...LON 3869 8753 3874 8750 3877 8750 3877 8751
      3878 8749 3882 8753 3885 8754 3932 8714
      3934 8669 3922 8668 3869 8706 3867 8757
TIME...MOT...LOC 0839Z 247DEG 43KT 3926 8712 3875 8757

CP

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 27, 4:05 AM EST	Special Weather Statement	IND	Morgan	40 min
Nov 27, 4:46 AM EST	Special Weather Statement	IND	Bartholomew, Brown, Johnson, Rush, Shelby	44 min

Nearby

Special Weather Statements in Indiana, 2019 Every special weather statement in 2019

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.