Alert archive / Indiana / Tornado Warnings in 2017

Tornado Warning 11, NWS Indianapolis, IN

April 28, 2017Bartholomew County, Decatur County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 28, 2017, 7:47 PM EDT for Bartholomew County, Decatur County, Indiana. It was in force for 28 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
Apr 28, 2017, 7:47 PM EDT (23:47 UTC)
Expired
Apr 28, 2017, 8:15 PM EDT
In force
28 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Bartholomew County, IN, Decatur County, IN

The radar

The Indianapolis radar (KIND), 76 km from the middle of the area, began a volume at 23:51 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
Apr 28, 8:09 PM EDTHAIL 0.54 E Burney, INHAIL REPORTED TO BE COVERING THE GROUND.
Apr 28, 8:13 PM EDTTSTM WND GST 602 Ese Columbus, INTREES DOWN ACROSS THE AREA. WINDS AROUND 50-60 MPH. PEA SIZED HAIL.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.8 hours before the alert went out and 169 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 12:00Z on 2017-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2017-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1025 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

873 
WFUS53 KIND 282347
TORIND
INC005-031-290015-
/O.NEW.KIND.TO.W.0011.170428T2347Z-170429T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Indianapolis IN
747 PM EDT FRI APR 28 2017

The National Weather Service in Indianapolis has issued a

* Tornado Warning for...
  Southwestern Decatur County in central Indiana...
  Bartholomew County in central Indiana...

* Until 815 PM EDT.

* At 747 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Columbus, moving east at 45 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...
  Elizabethtown and Clifford around 755 PM EDT. 
  Columbus and Newbern around 800 PM EDT. 
  Hartsville and Grammer around 805 PM EDT. 
  Westport and Burney around 810 PM EDT. 
  Letts around 815 PM EDT. 

This includes Interstate 65 between mile markers 60 and 73.
 
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. TAKE COVER NOW!

&&

LAT...LON 3913 8556 3913 8580 3910 8580 3907 8603
      3925 8606 3936 8553 3916 8551
TIME...MOT...LOC 2347Z 262DEG 41KT 3917 8596 

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

$$

Ryan
2 follow-up statements
870 
WWUS53 KIND 290001
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
801 PM EDT FRI APR 28 2017

INC005-031-290015-
/O.CON.KIND.TO.W.0011.000000T0000Z-170429T0015Z/
Decatur IN-Bartholomew IN-
801 PM EDT FRI APR 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
SOUTHWESTERN DECATUR AND NORTHEASTERN BARTHOLOMEW COUNTIES...
    
At 801 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles east of Columbus, moving east at 45 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...
  Hartsville around 805 PM EDT. 
  Westport and Burney around 810 PM EDT. 
  Letts around 815 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3913 8556 3913 8580 3929 8579 3936 8553
      3916 8551
TIME...MOT...LOC 0001Z 262DEG 41KT 3919 8576 

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

$$

Ryan
937 
WWUS53 KIND 290013
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
813 PM EDT FRI APR 28 2017

INC005-031-290022-
/O.EXP.KIND.TO.W.0011.000000T0000Z-170429T0015Z/
Decatur IN-Bartholomew IN-
813 PM EDT FRI APR 28 2017

...THE TORNADO WARNING FOR SOUTHWESTERN DECATUR AND NORTHEASTERN
BARTHOLOMEW COUNTIES WILL EXPIRE AT 815 PM EDT...
        
The storm which prompted the warning has weakened, and is exiting 
the warned area. Therefore, the warning will be allowed to expire. 
However small hail, gusty winds and heavy rain are still possible 
with this thunderstorm.

A severe thunderstorm watch remains in effect until 200 AM EDT for
central and southeastern Indiana.

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

A Severe Thunderstorm Warning continues for Decatur and Jennings 
Counties through 9 PM.

LAT...LON 3913 8556 3913 8580 3929 8579 3936 8553
      3916 8551
TIME...MOT...LOC 0012Z 262DEG 41KT 3921 8561 

$$

Ryan

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 11:31 AM EDTFlash Flood WatchINDBartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more66 hr
Apr 28, 12:47 PM EDTRiver Flood WarningINDGreene, Monroe, Owen14 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDDaviess, Greene, Knox16 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDDaviess, Greene, Knox16 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDDaviess, Gibson, Knox, Pike18 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDDaviess, Gibson, Knox, Pike20 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDGibson, Knox23 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDCarroll, Tippecanoe, White4 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDCarroll, Tippecanoe, White58 hr
Apr 28, 12:47 PM EDTRiver Flood WarningINDFountain, Parke, Tippecanoe, Vermillion, Warren16 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDFountain, Parke, Vermillion, Warren17 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDParke, Vermillion, Vigo21 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDParke, Vermillion, Vigo17 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDSullivan, Vigo21 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDKnox, Sullivan37 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDKnox, Sullivan38 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDKnox28 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDGibson, Knox, Posey22 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDTippecanoe10 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDClay, Greene9 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDJackson, Lawrence, Washington15 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDLawrence, Martin17 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDLawrence, Martin8 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDMontgomery, Parke4 days
Apr 28, 5:04 PM EDTSevere Thunderstorm WarningINDParke, Vermillion, Vigo20 min
Apr 28, 6:11 PM EDTSevere Thunderstorm WarningINDClay, Greene, Knox, Sullivan34 min
Apr 28, 6:20 PM EDTAreal Flood AdvisoryINDClay, Parke, Vermillion, Vigo3 hr
Apr 28, 7:18 PM EDTSevere Thunderstorm WarningINDBartholomew, Brown, Johnson, Monroe, Morgan42 min
Apr 28, 7:29 PM EDTAreal Flood AdvisoryINDBrown, Clay, Greene, Johnson, Knox, Monroe and 3 more4 hr
Apr 28, 7:43 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur, Hancock, Johnson, Rush, Shelby32 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.