Alert archive / Indiana / Tornado Warnings in 2018

Tornado Warning 5, NWS Indianapolis, IN

May 31, 2018Daviess County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 31, 2018, 1:01 PM EDT for Daviess County, Indiana. It was in force for 14 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 31, 2018, 1:01 PM EDT (17:01 UTC)
Expired: May 31, 2018, 1:15 PM EDT
In force: 14 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Tornado: Radar indicated

County Daviess County, IN

The radar

The Evansville,IN radar (KVWX), 66 km from the middle of the area, began a volume at 17:01 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.

What was reported inside it

Time	Report	Where	Remark
May 31, 1:19 PM EDT	TSTM WND GST 45	Portersville, IN	45-50 MPH WINDS REPORTED BY A TRAINED SPOTTER IN PORTERSVILLE AREA NW OF DUBOIS COUNTY.
May 31, 1:24 PM EDT	TSTM WND GST 45	Portersville, IN	45-50 MPH WINDS REPORTED BY TRAINED SPOTTER IN PORTERSVILLE AREA, NW OF DUBOIS COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 31, 11:31 AM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.0 hours before the alert went out and 225 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: 828 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

As transmitted.

744 
WFUS53 KIND 311701
TORIND
INC027-311715-
/O.NEW.KIND.TO.W.0005.180531T1701Z-180531T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Indianapolis IN
101 PM EDT THU MAY 31 2018

The National Weather Service in Indianapolis has issued a

* Tornado Warning for...
  Southeastern Daviess County in southwestern Indiana...

* Until 115 PM EDT

* At 100 PM EDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located 9
  miles northeast of Winslow, or 9 miles east of Petersburg, moving
  east at 50 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* These dangerous storms will be near...
  Glendale Fishery around 105 PM EDT. 
  Alfordsville and Portersville around 110 PM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3849 8696 3850 8696 3850 8698 3851 8700
      3851 8704 3850 8706 3851 8707 3851 8709
      3854 8711 3853 8712 3853 8714 3852 8713
      3852 8715 3853 8715 3856 8720 3861 8693
      3851 8693 3849 8695
TIME...MOT...LOC 1700Z 258DEG 46KT 3849 8710 

TORNADO...RADAR INDICATED
HAIL...<.75

$$

PUMA

2 follow-up statements

665 
WWUS53 KIND 311705
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
105 PM EDT THU MAY 31 2018

INC027-311715-
/O.CON.KIND.TO.W.0005.000000T0000Z-180531T1715Z/
Daviess IN-
105 PM EDT THU MAY 31 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM EDT FOR
SOUTHEASTERN DAVIESS COUNTY...

At 105 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located 10
miles northwest of Jasper, or 13 miles east of Petersburg, moving
east at 55 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

These dangerous storms will be near...
  Alfordsville around 110 PM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3850 8696 3850 8698 3851 8700 3851 8704
      3850 8706 3851 8707 3851 8709 3852 8708
      3854 8711 3853 8712 3853 8713 3857 8711
      3861 8693 3851 8693 3849 8695
TIME...MOT...LOC 1705Z 255DEG 50KT 3852 8704 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

PUMA

223 
WWUS53 KIND 311713
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
113 PM EDT THU MAY 31 2018

INC027-311722-
/O.EXP.KIND.TO.W.0005.000000T0000Z-180531T1715Z/
Daviess IN-
113 PM EDT THU MAY 31 2018

...THE TORNADO WARNING FOR SOUTHEASTERN DAVIESS COUNTY WILL EXPIRE AT
115 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds are still possible with
this thunderstorm.

A severe thunderstorm watch remains in effect until 600 PM EDT for
southwestern Indiana.

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

LAT...LON 3850 8696 3850 8698 3851 8700 3851 8704
      3850 8706 3851 8707 3851 8709 3852 8708
      3854 8711 3853 8712 3853 8713 3857 8711
      3861 8693 3851 8693 3849 8695
TIME...MOT...LOC 1712Z 258DEG 46KT 3853 8694 

$$

PUMA

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 12:08 PM EDT	Severe Thunderstorm Warning	IND	Knox	52 min
May 31, 12:48 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	42 min
May 31, 1:09 PM EDT	Severe Thunderstorm Warning	IND	Martin	36 min
May 31, 1:18 PM EDT	Severe Thunderstorm Warning	IND	Greene, Sullivan	42 min
May 31, 1:24 PM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence, Monroe	36 min
May 31, 1:48 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Jackson, Monroe	42 min
May 31, 2:24 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jackson, Jennings	36 min
May 31, 2:51 PM EDT	Special Weather Statement	IND	Marion	24 min
May 31, 2:55 PM EDT	Special Weather Statement	IND	Hendricks	35 min
May 31, 3:12 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Madison, Marion	33 min
May 31, 3:36 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Madison	39 min
May 31, 3:46 PM EDT	Severe Thunderstorm Warning	IND	Henry, Rush	44 min
May 31, 4:21 PM EDT	Special Weather Statement	IND	Randolph	39 min
May 31, 7:13 PM EDT	Special Weather Statement	IND	Fountain	47 min
May 31, 7:23 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Vermillion, Warren	52 min
May 31, 7:25 PM EDT	Special Weather Statement	IND	Carroll	35 min
May 31, 7:31 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Parke, Vermillion	44 min
May 31, 7:50 PM EDT	Special Weather Statement	IND	Tippecanoe	25 min
May 31, 7:56 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Parke	23 min

Nearby

Tornado Warnings in Indiana, 2018 Every tornado warning in 2018 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.