Alert archive / Indiana / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 39, NWS Northern Indiana

July 21, 2016LaPorte County, Starke County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 21, 2016, 2:09 PM CDT for LaPorte County, Starke County, Indiana. It was in force for 36 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: Jul 21, 2016, 2:09 PM CDT (19:09 UTC)
Expired: Jul 21, 2016, 2:45 PM CDT
In force: 36 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties LaPorte County, IN, Starke County, IN

The radar

The Northern Indiana radar (KIWX), 86 km from the middle of the area, began a volume at 19:13 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

Time	Report	Where	Remark
Jul 21, 2:25 PM CDT	TSTM WND GST 48	2 Ese Brems, IN	.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.2 hours before the alert went out and 208 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2661 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 844 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

811 
WUUS53 KIWX 211909
SVRIWX
INC091-149-211945-
/O.NEW.KIWX.SV.W.0039.160721T1909Z-160721T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
209 PM CDT THU JUL 21 2016

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  STARKE COUNTY IN INDIANA...
  SOUTHERN LA PORTE COUNTY IN INDIANA...

* UNTIL 245 PM CDT

* AT 209 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WANATAH...OR
  11 MILES NORTHWEST OF KNOX...MOVING EAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  KNOX...WANATAH...HAMLET...LA CROSSE...KOONTZ LAKE...OAK GROVE...
  HANNA...THOMASTON...OBER...HASKELL...WINONA...BREMS...GROVERTOWN...
  TOTO...ENGLISH LAKE...BASS LAKE AND SOUTH WANATAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4150 8690 4142 8647 4117 8647 4129 8693
TIME...MOT...LOC 1909Z 291DEG 40KT 4139 8680 

HAIL...0.88IN
WIND...60MPH
 
$$

MARSILI

1 follow-up statement

844 
WWUS53 KIWX 211923
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
223 PM CDT THU JUL 21 2016

INC091-211933-
/O.CAN.KIWX.SV.W.0039.000000T0000Z-160721T1945Z/
LA PORTE IN-
223 PM CDT THU JUL 21 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN LA PORTE COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED FOR
SOUTHERN LA PORTE COUNTY.

LAT...LON 4132 8675 4132 8674 4133 8674 4135 8672
      4136 8672 4138 8671 4139 8671 4142 8647
      4117 8647 4118 8651 4125 8678
TIME...MOT...LOC 1923Z 304DEG 37KT 4129 8662 

$$

INC149-211945-
/O.CON.KIWX.SV.W.0039.000000T0000Z-160721T1945Z/
STARKE IN-
223 PM CDT THU JUL 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT
FOR STARKE COUNTY...

AT 223 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER KNOX...MOVING
SOUTHEAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
KNOX...HAMLET...KOONTZ LAKE...OAK GROVE...GROVERTOWN...OBER...TOTO...
WINONA...BASS LAKE AND BREMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4132 8675 4132 8674 4133 8674 4135 8672
      4136 8672 4138 8671 4139 8671 4142 8647
      4117 8647 4118 8651 4125 8678
TIME...MOT...LOC 1923Z 304DEG 37KT 4129 8662 

HAIL...0.88IN
WIND...60MPH
 
$$

MARSILI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 12:21 PM CDT	Special Marine Warning	IWX		114 min
Jul 21, 1:06 PM CDT	Special Weather Statement	IWX	Saint Joseph	24 min
Jul 21, 1:23 PM CDT	Special Weather Statement	IWX	Marshall, Saint Joseph	52 min
Jul 21, 1:24 PM CDT	Special Weather Statement	IWX	Elkhart, Saint Joseph	51 min
Jul 21, 1:42 PM CDT	Severe Thunderstorm Warning	IWX	Elkhart, LaGrange	48 min
Jul 21, 1:54 PM CDT	Special Weather Statement	IWX	LaPorte, Starke	66 min
Jul 21, 2:20 PM CDT	Special Weather Statement	IWX	Kosciusko, LaGrange, Marshall, Noble, Whitley	55 min
Jul 21, 2:33 PM CDT	Severe Thunderstorm Warning	IWX	Fulton, Marshall, Pulaski, Starke	27 min
Jul 21, 2:47 PM CDT	Special Weather Statement	IWX	DeKalb, Steuben	58 min
Jul 21, 2:56 PM CDT	Special Weather Statement	IWX	Cass, Fulton, Miami, Pulaski, Wabash, White	64 min
Jul 21, 3:09 PM CDT	Special Weather Statement	IWX	Adams, Allen, DeKalb, Huntington, Wells, Whitley	66 min
Jul 21, 4:12 PM CDT	Severe Thunderstorm Warning	IWX	Adams, Jay, Wells	78 min
Jul 21, 4:19 PM CDT	Special Weather Statement	IWX	Blackford, Grant, Wells	26 min
Jul 21, 4:25 PM CDT	Special Weather Statement	IWX	White	35 min
Jul 21, 4:29 PM CDT	Severe Thunderstorm Warning	IWX	Blackford, Jay, Wells	46 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2016 Every severe thunderstorm warning in 2016

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.