Alert archive / Indiana / Tornado Warnings in 2018

Tornado Warning 12, NWS Indianapolis, IN

August 15, 2018Greene County, Indiana

NWS Indianapolis, IN issued this tornado warning at Aug 15, 2018, 7:08 PM EDT for Greene 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
Aug 15, 2018, 7:08 PM EDT (23:08 UTC)
Expired
Aug 15, 2018, 7:45 PM EDT
In force
37 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Greene County, IN

The radar

The Indianapolis radar (KIND), 88 km from the middle of the area, began a volume at 23:10 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, 11.1 hours before the alert went out and 197 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.

685 
WFUS53 KIND 152308
TORIND
INC055-152345-
/O.NEW.KIND.TO.W.0012.180815T2308Z-180815T2345Z/

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

The National Weather Service in Indianapolis has issued a

* Tornado Warning for...
  Eastern Greene County in southwestern Indiana...

* Until 745 PM EDT.
    
* At 708 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Bloomfield, or 22 miles west of Bedford, moving
  east at 15 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...
  Owensburg around 740 PM EDT.
  Solsberry around 745 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 3897 8701 3917 8671 3917 8669 3916 8669
      3890 8668 3890 8689
TIME...MOT...LOC 2308Z 248DEG 11KT 3895 8689 

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

$$

TDUD
3 follow-up statements
688 
WWUS53 KIND 152319
SVSIND

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

INC055-152345-
/O.CON.KIND.TO.W.0012.000000T0000Z-180815T2345Z/
Greene IN-
719 PM EDT WED AUG 15 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR EASTERN
GREENE COUNTY...
    
At 719 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southeast of Bloomfield, or 19 miles northwest of
Bedford, moving northeast at 15 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...
  Owensburg around 730 PM EDT.
  Solsberry around 745 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 3900 8696 3917 8671 3917 8669 3916 8669
      3890 8668 3890 8689
TIME...MOT...LOC 2319Z 246DEG 13KT 3898 8682 

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

$$

TDUD
137 
WWUS53 KIND 152331
SVSIND

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

INC055-152345-
/O.CON.KIND.TO.W.0012.000000T0000Z-180815T2345Z/
Greene IN-
731 PM EDT WED AUG 15 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR EASTERN
GREENE COUNTY...
    
At 731 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles east of Bloomfield, or 17 miles northwest of
Bedford, moving east at 15 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...
  Owensburg around 735 PM EDT.
  Solsberry around 745 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 3917 8671 3917 8669 3916 8669 3890 8668
      3890 8683 3906 8688
TIME...MOT...LOC 2331Z 248DEG 11KT 3899 8678 

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

$$

TDUD
732 
WWUS53 KIND 152341
SVSIND

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

INC055-152351-
/O.EXP.KIND.TO.W.0012.000000T0000Z-180815T2345Z/
Greene IN-
741 PM EDT WED AUG 15 2018

...THE TORNADO WARNING FOR EASTERN GREENE COUNTY WILL EXPIRE AT 745
PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3917 8671 3917 8669 3916 8669 3890 8668
      3890 8683 3906 8688
TIME...MOT...LOC 2341Z 248DEG 11KT 3900 8676 

$$

TDUD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 7:17 PM EDTSevere Thunderstorm WarningINDLawrence28 min
Aug 15, 7:32 PM EDTTornado WarningINDLawrence, Monroe28 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.