Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 28, NWS Northern Indiana

June 28, 2012LaPorte County, Starke County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 28, 2012, 7:51 PM CDT for LaPorte County, Starke County, Indiana. It was in force for 39 min. 4 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
Jun 28, 2012, 7:51 PM CDT (00:51 UTC)
Expired
Jun 28, 2012, 8:30 PM CDT
In force
39 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties LaPorte County, IN, Starke County, IN

The radar

The Northern Indiana radar (KIWX), 78 km from the middle of the area, began a volume at 00:53 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
Jun 28, 8:10 PM CDTTSTM WND DMGLa Crosse, IN3 TELEPHONE POLES DOWN ON US 421 JUST NORTH OF SR 8
Jun 28, 8:25 PM CDTTSTM WND DMGNorth Judson, IN15 TREES DOWN IN AND SOUTH OF TOWN
Jun 28, 8:25 PM CDTTSTM WND GST 60North Judson, IN
Jun 28, 8:27 PM CDTTSTM WND GST 60Toto, IN50 TO 60 MPH WIND GUSTS WITH PEA SIZED HAIL

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
Jun 28, 7:25 PM CDTSevere Thunderstorm WatchSPC2 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.9 hours before the alert went out and 216 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 00:00Z on 2012-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2970 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 00:00Z on 2012-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.193958Sfc1 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
2970 J/kg
Mixed-layer CIN
-224 J/kg
Mixed-layer LCL
2175 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

219 
WUUS53 KIWX 290051
SVRIWX
INC091-149-290130-
/O.NEW.KIWX.SV.W.0028.120629T0051Z-120629T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
751 PM CDT THU JUN 28 2012

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

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

* UNTIL 830 PM CDT/930 PM EDT/

* AT 747 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS SEVERE STORM
  WAS LOCATED 9 MILES WEST OF WANATAH...OR 6 MILES SOUTH OF
  VALPARAISO...AND MOVING SOUTHEAST AT 40 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  WANATAH...
  LA CROSSE...
  KINGSFORD HEIGHTS...
  NORTH JUDSON...
  KNOX AND HAMLET...

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE SOUTH
WANATAH...THOMASTON...HANNA...LOMAX...ENGLISH LAKE...BREMS...TOTO...
BASS LAKE...WINONA...OBER AND OAK GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SEVERE THUNDERSTORM. IF YOU ARE IN THE 
PATH...PREPARE IMMEDIATELY FOR HAIL...AND DAMAGING WINDS...ALONG 
WITH DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO 
A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM 
WINDOWS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4147 8653 4144 8653 4144 8649 4118 8648
      4121 8694 4159 8694
TIME...MOT...LOC 0050Z 296DEG 35KT 4137 8701
WIND...HAIL 60MPH 1.50IN

$$

CEO
2 follow-up statements
048 
WWUS53 KIWX 290113
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
813 PM CDT THU JUN 28 2012

INC091-149-290130-
/O.CON.KIWX.SV.W.0028.000000T0000Z-120629T0130Z/
STARKE IN-LA PORTE IN-
813 PM CDT THU JUN 28 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTHWESTERN LA PORTE AND STARKE COUNTIES...

AT 810 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS SEVERE STORM
WAS LOCATED 4 MILES NORTH OF NORTH JUDSON...OR ABOUT 8 MILES WEST OF
KNOX...AND MOVING SOUTHEAST AT 40 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH...
PREPARE IMMEDIATELY FOR PING PONG BALL SIZE HAIL...AND DAMAGING WINDS
IN EXCESS OF 60 MPH....ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING BUT AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4152 8694 4140 8656 4138 8649 4118 8648
      4121 8694
TIME...MOT...LOC 0113Z 296DEG 35KT 4127 8674
WIND...HAIL 60MPH 1.50IN

$$

CEO
521 
WWUS53 KIWX 290128
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
828 PM CDT THU JUN 28 2012

INC091-149-290137-
/O.EXP.KIWX.SV.W.0028.000000T0000Z-120629T0130Z/
STARKE IN-LA PORTE IN-
828 PM CDT THU JUN 28 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LA PORTE AND
STARKE COUNTIES WILL EXPIRE AT 830 PM CDT...

AT 821 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD MOVED OUT OF 
THE AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING WILL BE 
ALLOWED TO EXPIRE AT 830 PM CDT. HOWEVER...A SEVERE THUNDERSTORM 
WARNING REMAINS IN EFFECT FOR EXTREME SOUTHERN STARKE COUNTY AND 
PULASKI COUNTY UNTIL 900 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4152 8694 4140 8656 4138 8649 4118 8648
      4121 8694
TIME...MOT...LOC 0127Z 296DEG 35KT 4121 8658

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:18 PM CDTSevere Thunderstorm WarningIWXPulaski, Starke42 min
Jun 28, 8:47 PM CDTSevere Thunderstorm WarningIWXCass, Fulton, Pulaski43 min
Jun 28, 9:07 PM CDTSevere Thunderstorm WarningIWXCass, Pulaski, Starke, White38 min
Jun 28, 9:15 PM CDTSevere Thunderstorm WarningIWXCass, Fulton, Miami, Wabash32 min
Jun 29, 3:13 AM CDTHeat AdvisoryIWXAdams, Allen, Blackford, Cass, DeKalb, Fulton and 10 more11 hr
Jun 29, 12:25 PM CDTSpecial Weather StatementIWXStarke50 min
Jun 29, 12:30 PM CDTSpecial Weather StatementIWXLaPorte, Saint Joseph30 min
Jun 29, 12:36 PM CDTSevere Thunderstorm WarningIWXLaPorte, Marshall, Saint Joseph39 min
Jun 29, 12:42 PM CDTSevere Thunderstorm WarningIWXFulton, LaPorte, Marshall, Pulaski, Starke37 min
Jun 29, 12:55 PM CDTSpecial Weather StatementIWXElkhart35 min
Jun 29, 1:05 PM CDTSpecial Weather StatementIWXCass, Fulton, Pulaski25 min
Jun 29, 1:06 PM CDTSevere Thunderstorm WarningIWXFulton, Kosciusko, Marshall, Miami, Wabash, Whitley39 min
Jun 29, 1:13 PM CDTSpecial Weather StatementIWXLaGrange, Noble47 min
Jun 29, 1:18 PM CDTSevere Thunderstorm WarningIWXCass, Grant, Huntington, Miami, Wabash, Wells42 min
Jun 29, 1:18 PM CDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, LaGrange, Noble, Whitley42 min
Jun 29, 1:25 PM CDTSevere Thunderstorm WarningIWXAllen, Huntington, Wells, Whitley50 min
Jun 29, 1:48 PM CDTSevere Thunderstorm WarningIWXAdams, Allen, DeKalb, Huntington, Noble, Wells and 1 more27 min
Jun 29, 1:54 PM CDTSevere Thunderstorm WarningIWXAdams, Blackford, Grant, Huntington, Jay, Wells51 min
Jun 29, 2:15 PM CDTTornado WarningIWXAllen30 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2012Every severe thunderstorm warning in 2012

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.