Alert archive / Indiana / Special Weather Statements in 2016

Special Weather Statement, NWS Louisville, KY

May 4, 2016Washington County, Indiana

NWS Louisville, KY issued this special weather statement at May 4, 2016, 2:35 PM EDT for Washington County, Indiana. It was in force for 25 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: May 4, 2016, 2:35 PM EDT (18:35 UTC)
Expired: May 4, 2016, 3:00 PM EDT
In force: 25 min
Issued by: NWS Louisville, KY

County Washington County, IN

The radar

The Louisville radar (KLVX), 63 km from the middle of the area, began a volume at 18:34 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

Nashville Metro, TN (KBNA), launched 12:00Z, 6.6 hours before the alert went out and 274 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: 1192 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 63 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 Louisville, KY wrote its last area forecast discussion before this special weather statement went out at May 4, 1:38 PM EDT, 57 minutes earlier.

Area forecast discussion, May 4, 1:38 PM EDT, 57 minutes before

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Hazardous weather outlook, May 4, 3:41 AM EDT, 10 hours 54 minutes before

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In the hours before

Special weather statement, May 4, 2:35 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
235 PM EDT WED MAY 4 2016

INZ077-041900-
WASHINGTON-
235 PM EDT WED MAY 4 2016

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL WASHINGTON COUNTY...

AT 233 PM EDT...A STRONG THUNDERSTORM WAS OVER SALEM...MOVING
SOUTHEAST AT 25 MPH.

HALF INCH HAIL IS POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SALEM...BLUE RIVER...NEW PEKIN...PLATTSBURG...KOSSUTH...NEW LIBERTY...BECKS
MILL...HITCHCOCK...HARRISTOWN AND SHORTS CORNER.

LAT...LON 3859 8589 3858 8588 3856 8585 3855 8585
      3855 8587 3854 8587 3850 8594 3850 8596
      3849 8597 3849 8599 3847 8599 3842 8610
      3861 8630 3873 8609
TIME...MOT...LOC 1833Z 320DEG 23KT 3862 8612

RJS

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 4, 3:24 PM EDT	Special Weather Statement	LMK	Edmonson, Grayson	36 min
May 4, 3:28 PM EDT	Special Weather Statement	LMK	Breckinridge, Hancock	32 min
May 4, 3:49 PM EDT	Severe Thunderstorm Warning	LMK	Logan	26 min
May 4, 4:00 PM EDT	Special Weather Statement	LMK	Breckinridge, Grayson, Hardin	30 min
May 4, 4:03 PM EDT	Special Weather Statement	LMK	Bullitt	27 min
May 4, 4:08 PM EDT	Special Weather Statement	LMK	Edmonson, Hart	37 min
May 4, 4:10 PM EDT	Special Weather Statement	LMK	Boyle, Taylor	35 min
May 4, 4:17 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Jefferson, Meade	28 min
May 4, 4:38 PM EDT	Severe Thunderstorm Warning	LMK	Barren, Metcalfe	37 min
May 4, 5:31 PM EDT	Severe Thunderstorm Warning	LMK	Clinton, Cumberland, Russell	29 min
May 4, 3:35 PM EDT	Special Weather Statement	LMK	Harrison	25 min

Nearby

Special Weather Statements in Indiana, 2016 Every special weather statement in 2016

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.