Alert archive / Indiana / Tornado Warnings in 2017

Tornado Warning 4, NWS Northern Indiana

February 28, 2017Elkhart County, LaGrange County, Indiana

NWS Northern Indiana issued this tornado warning at Feb 28, 2017, 10:29 PM EST for Elkhart County, LaGrange County, Indiana. It was in force for 31 min. 3 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
Feb 28, 2017, 10:29 PM EST (03:29 UTC)
Expired
Feb 28, 2017, 11:00 PM EST
In force
31 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

Counties Elkhart County, IN, LaGrange County, IN

The radar

The Northern Indiana radar (KIWX), 35 km from the middle of the area, began a volume at 03:29 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
Feb 28, 10:30 PM ESTHAIL 0.75Middlebury, IN.
Feb 28, 10:30 PM ESTHAIL 12 Wnw Shipshewana, IN.
Feb 28, 10:30 PM ESTHAIL 1.5Shipshewana, IN.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 28, 7:37 PM ESTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 3.5 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, Detroit, MI at 00:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 384 square meters per square second.1939587897117Sfc1 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
8 J/kg
Mixed-layer CIN
-323 J/kg
Mixed-layer LCL
464 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
384 m²/s²
0-3 km storm-relative helicity
383 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

541 
WFUS53 KIWX 010329
TORIWX
INC039-087-010400-
/O.NEW.KIWX.TO.W.0004.170301T0329Z-170301T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Northern Indiana
1029 PM EST TUE FEB 28 2017

The National Weather Service in Northern Indiana  has issued a

* Tornado Warning for...
  Northeastern Elkhart County in north central Indiana...
  Central Lagrange County in northeastern Indiana...

* Until 1100 PM EST
    
* At 1029 PM EST, a severe thunderstorm capable of producing a
  tornado was located over Middlebury, or 9 miles northeast of
  Goshen, moving east at 45 mph.

  HAZARD...Tornado and half dollar size hail. 

  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...
  Lagrange around 1045 PM EST. 

Other locations impacted by this tornadic thunderstorm include Plato,
Brighton, Emma, Shipshewana, Ontario and Howe.

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 4161 8576 4170 8578 4176 8530 4161 8524
TIME...MOT...LOC 0329Z 262DEG 40KT 4165 8567 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

MARSILI
2 follow-up statements
739 
WWUS53 KIWX 010338
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
1038 PM EST TUE FEB 28 2017

INC039-010348-
/O.CAN.KIWX.TO.W.0004.000000T0000Z-170301T0400Z/
Elkhart IN-
1038 PM EST TUE FEB 28 2017

...THE TORNADO WARNING FOR NORTHEASTERN ELKHART COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 400 AM EST for
northeastern Indiana.

LAT...LON 4161 8561 4172 8563 4176 8530 4161 8524
TIME...MOT...LOC 0338Z 262DEG 40KT 4166 8553 

$$

INC087-010400-
/O.CON.KIWX.TO.W.0004.000000T0000Z-170301T0400Z/
Lagrange IN-
1038 PM EST TUE FEB 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EST FOR CENTRAL
LAGRANGE COUNTY...
    
At 1038 PM EST, a severe thunderstorm capable of producing a tornado
was located near Lagrange, moving east at 45 mph.

HAZARD...Tornado and half dollar size hail. 

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...
  Lagrange around 1045 PM EST. 

Other locations impacted by this tornadic thunderstorm include Plato,
Brighton, Emma, Shipshewana, Ontario and Howe.

This includes INTERSTATE 80 IN INDIANA between MILE MARKERs 123 and
127.
 
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 4161 8561 4172 8563 4176 8530 4161 8524
TIME...MOT...LOC 0338Z 262DEG 40KT 4166 8553 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

MARSILI
680 
WWUS53 KIWX 010346
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
1046 PM EST TUE FEB 28 2017

INC087-010400-
/O.CON.KIWX.TO.W.0004.000000T0000Z-170301T0400Z/
Lagrange IN-
1046 PM EST TUE FEB 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EST FOR
NORTHEASTERN LAGRANGE COUNTY...
    
At 1046 PM EST, a severe thunderstorm capable of producing a tornado
was located near Lagrange, moving east at 55 mph.

HAZARD...Tornado and half dollar size hail. 

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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Lagrange County, including the following locations:
Plato, Brighton, Ontario and Howe.

This includes INTERSTATE 80 IN INDIANA between MILE MARKERs 123 and
127.
 
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 4162 8552 4173 8554 4176 8530 4161 8524
TIME...MOT...LOC 0346Z 263DEG 48KT 4167 8535 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

MARSILI

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 28, 7:32 PM ESTSpecial Marine WarningIWX118 min
Feb 28, 8:06 PM ESTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph54 min
Feb 28, 8:20 PM ESTSpecial Marine WarningIWX85 min
Feb 28, 8:52 PM ESTSevere Thunderstorm WarningIWXElkhart, LaPorte, Saint Joseph53 min
Feb 28, 9:15 PM ESTSevere Thunderstorm WarningIWXLaPorte30 min
Feb 28, 9:36 PM ESTTornado WarningIWXLaPorte, Saint Joseph39 min
Feb 28, 9:45 PM ESTSevere Thunderstorm WarningIWXElkhart, LaPorte, Saint Joseph45 min
Feb 28, 10:01 PM ESTAreal Flood AdvisoryIWXElkhart, LaPorte, Saint Joseph6 hr
Feb 28, 10:01 PM ESTTornado WarningIWXElkhart, Saint Joseph29 min
Feb 28, 10:09 PM ESTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph39 min
Feb 28, 10:17 PM ESTFlash Flood WarningIWXElkhart, LaPorte, Saint Joseph6 hr
Feb 28, 10:27 PM ESTSpecial Marine WarningIWX93 min
Feb 28, 10:52 PM ESTTornado WarningIWXLaGrange, Steuben23 min
Feb 28, 11:12 PM ESTTornado WarningIWXSteuben31 min
Mar 1, 12:18 AM ESTSpecial Marine WarningIWX87 min
Mar 1, 12:40 AM ESTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph65 min
Mar 1, 12:56 AM ESTSevere Thunderstorm WarningIWXFulton, LaPorte, Marshall, Pulaski, Starke49 min
Mar 1, 1:01 AM ESTSevere Thunderstorm WarningIWXLaPorte, Marshall, Saint Joseph, Starke44 min
Mar 1, 1:22 AM ESTSevere Thunderstorm WarningIWXPulaski, White38 min
Mar 1, 1:30 AM ESTSevere Thunderstorm WarningIWXElkhart, Kosciusko, LaGrange, Marshall, Noble, Saint Joseph45 min
Mar 1, 1:43 AM ESTSevere Thunderstorm WarningIWXFulton, Kosciusko, Marshall, Pulaski, Starke34 min
Mar 1, 2:06 AM ESTSevere Thunderstorm WarningIWXAllen, DeKalb, Kosciusko, LaGrange, Noble, Steuben and 1 more39 min
Mar 1, 2:24 AM ESTSpecial Weather StatementIWXHuntington, Miami, Wabash51 min
Mar 1, 2:29 AM ESTSevere Thunderstorm WarningIWXAllen, DeKalb, Steuben, Whitley61 min
Mar 1, 2:31 AM ESTTornado WarningIWXAllen29 min
Mar 1, 2:59 AM ESTSevere Thunderstorm WarningIWXAdams, Allen, Blackford, Grant, Huntington, Jay and 2 more46 min
Mar 1, 10:54 AM ESTWind AdvisoryIWXAdams, Allen, Blackford, Cass, DeKalb, Grant and 6 more11 hr

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.