Alert archive / Indiana / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 13, NWS Indianapolis, IN

May 15, 2018Daviess County, Martin County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 15, 2018, 7:38 PM EDT for Daviess County, Martin County, Indiana. It was in force for 37 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 15, 2018, 7:38 PM EDT (23:38 UTC)
Expired: May 15, 2018, 8:15 PM EDT
In force: 37 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Daviess County, IN, Martin County, IN

The radar

The Evansville,IN radar (KVWX), 88 km from the middle of the area, began a volume at 23:38 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 12:00Z, 11.6 hours before the alert went out and 218 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: 19 J/kg
Mixed-layer CIN: -285 J/kg
Mixed-layer LCL: 1063 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

257 
WUUS53 KIND 152338
SVRIND
INC027-101-160015-
/O.NEW.KIND.SV.W.0013.180515T2338Z-180516T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
738 PM EDT TUE MAY 15 2018

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Central Martin County in southwestern Indiana...
  East central Daviess County in southwestern Indiana...

* Until 815 PM EDT.

* At 737 PM EDT, a severe thunderstorm was located 8 miles west of
  Shoals, or 23 miles northeast of Petersburg, and is nearly
  stationary.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Shoals, Loogootee, Cannelburg, West Boggs Lake, Indian Springs and
  Lacy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Indianapolis.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3868 8704 3882 8698 3879 8669 3856 8669
TIME...MOT...LOC 2337Z 290DEG 4KT 3871 8694 

HAIL...1.00IN
WIND...60MPH
 
$$

CP

1 follow-up statement

823 
WWUS53 KIND 160004
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
804 PM EDT TUE MAY 15 2018

INC027-101-160015-
/O.CON.KIND.SV.W.0013.000000T0000Z-180516T0015Z/
Martin IN-Daviess IN-
804 PM EDT TUE MAY 15 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR CENTRAL MARTIN AND EAST CENTRAL DAVIESS COUNTIES...

At 804 PM EDT, a severe thunderstorm was located 7 miles northwest of
Shoals, or 24 miles southwest of Bedford, and is nearly stationary.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Shoals, Loogootee, Cannelburg, West Boggs Lake, Indian Springs and
Lacy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Indianapolis.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3868 8704 3882 8698 3879 8669 3856 8669
TIME...MOT...LOC 0004Z 281DEG 3KT 3872 8691 

HAIL...1.00IN
WIND...60MPH
 
$$

CP

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 1:04 PM EDT	Special Weather Statement	IND	Tippecanoe	26 min
May 15, 1:29 PM EDT	Special Weather Statement	IND	Howard	31 min
May 15, 2:00 PM EDT	Special Weather Statement	IND	Howard	15 min
May 15, 3:44 PM EDT	Special Weather Statement	IND	Boone	46 min
May 15, 7:31 PM EDT	Severe Thunderstorm Warning	IND	Sullivan, Vigo	44 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2018 Every severe thunderstorm warning in 2018

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.