Alert archive / Indiana / Tornado Warnings in 2018

Tornado Warning 34, NWS Louisville, KY

September 8, 2018Perry County, Indiana

NWS Louisville, KY issued this tornado warning at Sep 8, 2018, 2:40 PM CDT for Perry County, Indiana. It was in force for 35 min. 1 report 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
Sep 8, 2018, 2:40 PM CDT (19:40 UTC)
Expired
Sep 8, 2018, 3:15 PM CDT
In force
35 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated

County Perry County, IN

The radar

The Louisville radar (KLVX), 70 km from the middle of the area, began a volume at 19:40 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

TimeReportWhereRemark
Sep 8, 2:50 PM CDTTSTM WND DMG3 Ne Tell City, INGARAGE DOOR AND ROOF DAMAGE TO A WAREHOUSE TYPE BUILDING ON THE NORTH SIDE OF TELL CITY. SEVERAL FENCES AND LARGE TREES DOWN. ALSO STREET FLOODING IN TELL CITY.

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.7 hours before the alert went out and 210 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, Nashville Metro, TN at 12:00Z on 2018-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 613 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, Nashville Metro, TN at 12:00Z on 2018-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
613 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1106 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

857 
WFUS53 KLMK 081940
TORLMK
INC123-082015-
/O.NEW.KLMK.TO.W.0034.180908T1940Z-180908T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
240 PM CDT SAT SEP 8 2018

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Central Perry County in south central Indiana...

* Until 315 PM CDT.
    
* At 239 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Tell City, moving northeast 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...
  Tell City, Troy, Ranger, Lilly Dale, Terry, Gatchel, and Fenn 
  Haven.

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 3800 8679 3800 8677 3802 8678 3815 8667
      3805 8650 3793 8676 3797 8679 3799 8680
TIME...MOT...LOC 1939Z 228DEG 25KT 3797 8676 

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

$$

13
2 follow-up statements
744 
WWUS53 KLMK 081955
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
255 PM CDT SAT SEP 8 2018

INC123-082015-
/O.CON.KLMK.TO.W.0034.000000T0000Z-180908T2015Z/
Perry IN-
255 PM CDT SAT SEP 8 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR CENTRAL
PERRY COUNTY...

...DAMAGE WAS REPORTED ON THE NORTH SIDE OF TELL CITY AS THIS STORM 
MOVED THROUGH... 

At 253 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Tell City, moving northeast 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...
Ranger, Lilly Dale, Terry, and Gatchel. 

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado.

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 3804 8676 3815 8667 3807 8653 3797 8669
TIME...MOT...LOC 1953Z 227DEG 24KT 3803 8668 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

13
073 
WWUS53 KLMK 082014
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
314 PM CDT SAT SEP 8 2018

INC123-082022-
/O.EXP.KLMK.TO.W.0034.000000T0000Z-180908T2015Z/
Perry IN-
314 PM CDT SAT SEP 8 2018

...THE TORNADO WARNING FOR CENTRAL PERRY COUNTY WILL EXPIRE AT 315 PM
CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

A Tornado Warning remains in effect for eastern Perry County. At 312 
PM CDT National Weather Service Doppler radar indicated circulation 
in a storm in the Leopold and Mount Pleasant areas, moving to the 
northeast.

Damage was reported on the north side of Tell City earlier.

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 3804 8676 3815 8667 3807 8653 3797 8669
TIME...MOT...LOC 2012Z 228DEG 25KT 3811 8657 

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 7:04 PM CDTSpecial Weather StatementLMKOrange41 min
Sep 7, 7:35 PM CDTSpecial Weather StatementLMKPerry40 min
Sep 7, 8:15 PM CDTAreal Flood AdvisoryLMKPerry2 hr
Sep 7, 8:56 PM CDTSpecial Weather StatementLMKPerry34 min
Sep 7, 9:29 PM CDTSpecial Weather StatementLMKPerry46 min
Sep 8, 10:35 AM CDTAreal Flood AdvisoryLMKCrawford, Dubois, Orange, Perry6 hr
Sep 8, 2:30 PM CDTSpecial Weather StatementLMKPerry30 min
Sep 8, 2:34 PM CDTSevere Thunderstorm WarningLMKPerry26 min
Sep 8, 3:09 PM CDTTornado WarningLMKCrawford, Harrison, Perry36 min
Sep 8, 3:13 PM CDTAreal Flood AdvisoryLMKPerry2 hr
Sep 8, 3:43 PM CDTFlash Flood WarningLMKPerry3 hr
Sep 8, 3:45 PM CDTTornado WarningLMKHarrison30 min
Sep 8, 4:51 PM CDTFlash Flood WarningLMKCrawford, Dubois, Perry114 min
Sep 8, 4:54 PM CDTTornado WarningLMKPerry36 min
Sep 8, 5:32 PM CDTAreal Flood AdvisoryLMKClark, Crawford, Floyd, Harrison, Orange, Perry and 2 more3 hr
Sep 8, 5:32 PM CDTSpecial Weather StatementLMKClark43 min
Sep 8, 5:45 PM CDTTornado WarningLMKCrawford, Perry30 min
Sep 8, 6:34 PM CDTFlash Flood WarningLMKCrawford, Dubois, Harrison, Perry116 min

Nearby

Tornado Warnings in Indiana, 2018Every tornado warning in 2018Tornadoes 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.