Alert archive / Indiana / Tornado Warnings in 2018

Tornado Warning 13, NWS Indianapolis, IN

August 15, 2018Lawrence County, Monroe County, Indiana

NWS Indianapolis, IN issued this tornado warning at Aug 15, 2018, 7:32 PM EDT for Lawrence County, Monroe County, Indiana. It was in force for 28 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
Aug 15, 2018, 7:32 PM EDT (23:32 UTC)
Expired
Aug 15, 2018, 8:00 PM EDT
In force
28 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Lawrence County, IN, Monroe County, IN

The radar

The Indianapolis radar (KIND), 79 km from the middle of the area, began a volume at 23:35 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, 11.5 hours before the alert went out and 212 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, Lincoln, IL at 12:00Z on 2018-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 409 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, Lincoln, IL at 12:00Z on 2018-08-15The 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
409 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
848 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

498 
WFUS53 KIND 152332
TORIND
INC093-105-160000-
/O.NEW.KIND.TO.W.0013.180815T2332Z-180816T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Indianapolis IN
732 PM EDT WED AUG 15 2018

The National Weather Service in Indianapolis has issued a

* Tornado Warning for...
  Southwestern Monroe County in south central Indiana...
  Northwestern Lawrence County in south central Indiana...

* Until 800 PM EDT.
    
* At 732 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 13 miles east of Bloomfield, or 14 miles northwest of
  Bedford, moving east at 20 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.

* This dangerous storm will be near...
  Harrodsburg, Fairfax State Recreation Area, Smithville and 
  Bartlettsville around 800 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 3910 8668 3915 8648 3894 8641 3890 8668
TIME...MOT...LOC 2332Z 261DEG 18KT 3900 8670 

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

$$

TDUD
2 follow-up statements
420 
WWUS53 KIND 152346
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
746 PM EDT WED AUG 15 2018

INC093-105-160000-
/O.CON.KIND.TO.W.0013.000000T0000Z-180816T0000Z/
Monroe IN-Lawrence IN-
746 PM EDT WED AUG 15 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR
SOUTHWESTERN MONROE AND NORTHWESTERN LAWRENCE COUNTIES...
    
At 745 PM EDT, a severe thunderstorm capable of producing a tornado
was located 11 miles southwest of Bloomington, moving east at 20 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.

This dangerous storm will be near...
  Harrodsburg around 755 PM EDT.
  Fairfax State Recreation Area and Smithville around 800 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 3910 8668 3915 8648 3898 8642 3893 8667
TIME...MOT...LOC 2345Z 261DEG 18KT 3901 8661 

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

$$

TDUD
820 
WWUS53 KIND 152356
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
756 PM EDT WED AUG 15 2018

INC093-105-160006-
/O.EXP.KIND.TO.W.0013.000000T0000Z-180816T0000Z/
Monroe IN-Lawrence IN-
756 PM EDT WED AUG 15 2018

...THE TORNADO WARNING FOR SOUTHWESTERN MONROE AND NORTHWESTERN
LAWRENCE COUNTIES WILL EXPIRE AT 800 PM EDT...
                
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.

LAT...LON 3910 8668 3915 8648 3898 8642 3893 8667
TIME...MOT...LOC 2356Z 261DEG 18KT 3902 8655 

$$

TDUD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 7:08 PM EDTTornado WarningINDGreene37 min
Aug 15, 7:17 PM EDTSevere Thunderstorm WarningINDLawrence28 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.