Alert archive / Indiana / Tornado Warnings in 2017

Tornado Warning 34, NWS Louisville, KY

November 5, 2017Washington County, Indiana

NWS Louisville, KY issued this tornado warning at Nov 5, 2017, 11:07 PM EST for Washington County, Indiana. It was in force for 23 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 5, 2017, 11:07 PM EST (04:07 UTC)
Expired
Nov 5, 2017, 11:30 PM EST
In force
23 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Washington County, IN

The radar

The Louisville radar (KLVX), 85 km from the middle of the area, began a volume at 04:08 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 watch it was issued in

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

IssuedProductOfficeLasted
Nov 5, 6:31 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.1 hours before the alert went out and 202 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, Cncnati-Daytn, OH at 00:00Z on 2017-11-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 175 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, Cncnati-Daytn, OH at 00:00Z on 2017-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 441 square meters per square second.19395878Sfc1 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
175 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
966 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
441 m²/s²
0-3 km storm-relative helicity
595 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

280 
WFUS53 KLMK 060407
TORLMK
INC175-060430-
/O.NEW.KLMK.TO.W.0034.171106T0407Z-171106T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
1107 PM EST SUN NOV 5 2017

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Northeastern Washington County in south central Indiana...

* Until 1130 PM EST
    
* At 1107 PM EST, a severe thunderstorm capable of producing a
  tornado was located near Salem, moving east at 30 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. 

* Locations impacted include...
  Little York, Kossuth and Plattsburg. 

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 3875 8592 3876 8591 3875 8591 3875 8590
      3874 8590 3873 8589 3865 8589 3867 8615
      3875 8615 3876 8598 3875 8598 3876 8597
      3876 8594
TIME...MOT...LOC 0407Z 268DEG 26KT 3869 8613 

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

$$

DM
2 follow-up statements
944 
WWUS53 KLMK 060415
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
1115 PM EST SUN NOV 5 2017

INC175-060430-
/O.CON.KLMK.TO.W.0034.000000T0000Z-171106T0430Z/
Washington IN-
1115 PM EST SUN NOV 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM EST FOR
NORTHEASTERN WASHINGTON COUNTY...
    
At 1114 PM EST, a severe thunderstorm capable of producing a tornado
was located near Salem, moving east at 30 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. 

Locations impacted include...
Little York and Plattsburg. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3875 8592 3876 8591 3875 8591 3875 8590
      3874 8590 3873 8589 3865 8589 3866 8608
      3875 8610 3876 8598 3875 8598 3876 8597
      3876 8594
TIME...MOT...LOC 0414Z 268DEG 26KT 3869 8606 

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

$$

DM
664 
WWUS53 KLMK 060423
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
1123 PM EST SUN NOV 5 2017

INC175-060433-
/O.EXP.KLMK.TO.W.0034.000000T0000Z-171106T0430Z/
Washington IN-
1123 PM EST SUN NOV 5 2017

...THE TORNADO WARNING FOR NORTHEASTERN WASHINGTON COUNTY WILL EXPIRE
AT 1130 PM EST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.  However a tornado 
warning still remains in effect for a storm near Canton, Indiana, in 
Washington County.

A severe thunderstorm watch remains in effect until 100 AM EST for
south central Indiana.

Report severe weather to local law enforcement, post your report to
the National Weather Service Louisville Facebook page, or tweet your
report using hashtag L, M, K, spotter.

LAT...LON 3875 8592 3876 8591 3875 8591 3875 8590
      3874 8590 3873 8589 3865 8589 3866 8608
      3875 8610 3876 8598 3875 8598 3876 8597
      3876 8594
TIME...MOT...LOC 0423Z 268DEG 26KT 3869 8600 

$$

DM

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 5, 7:36 PM ESTSpecial Weather StatementLMKDubois24 min
Nov 5, 7:49 PM ESTSpecial Weather StatementLMKOrange26 min
Nov 5, 8:01 PM ESTTornado WarningLMKOrange29 min
Nov 5, 8:20 PM ESTSpecial Weather StatementLMKWashington25 min
Nov 5, 9:15 PM ESTSpecial Weather StatementLMKCrawford15 min
Nov 5, 10:24 PM ESTSpecial Weather StatementLMKOrange21 min
Nov 5, 10:55 PM ESTSpecial Weather StatementLMKCrawford, Orange, Washington35 min
Nov 5, 11:00 PM ESTTornado WarningLMKWashington30 min
Nov 5, 11:36 PM ESTSpecial Weather StatementLMKScott24 min
Nov 5, 11:55 PM ESTSpecial Weather StatementLMKJefferson35 min

Nearby

Tornado Warnings in Indiana, 2017Every tornado warning in 2017Tornadoes 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.