Alert archive / Indiana / Special Weather Statements in 2012

Special Weather Statement, NWS Northern Indiana

July 24, 2012Cass County, Miami County, Indiana

NWS Northern Indiana issued this special weather statement at Jul 24, 2012, 2:59 AM EDT for Cass County, Miami County, Indiana. It was in force for 31 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: Jul 24, 2012, 2:59 AM EDT (06:59 UTC)
Expired: Jul 24, 2012, 3:30 AM EDT
In force: 31 min
Issued by: NWS Northern Indiana

Counties Cass County, IN, Miami County, IN

The radar

The Northern Indiana radar (KIWX), 92 km from the middle of the area, began a volume at 07:01 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 00:00Z, 7.0 hours before the alert went out and 190 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: 545 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 2710 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Northern Indiana wrote its last area forecast discussion before this special weather statement went out at Jul 24, 1:35 AM EDT, 1 hour 24 minutes earlier.

Area forecast discussion, Jul 24, 1:35 AM EDT, 1 hour 24 minutes before

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Hazardous weather outlook, Jul 23, 10:22 AM EDT, 16 hours 37 minutes before

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In the hours before

Special weather statement, Jul 24, 2:59 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
259 AM EDT TUE JUL 24 2012

INZ013-015-020-022-023-240730-
CASS IN-FULTON IN-MIAMI IN-PULASKI IN-WHITE IN-
259 AM EDT TUE JUL 24 2012

...STRONG THUNDERSTORMS MOVING TOWARD NORTHEASTERN WHITE...CASS...
SOUTHERN MIAMI...SOUTHERN PULASKI AND SOUTHWESTERN FULTON COUNTIES...

AT 253 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR WALTON...OR 8 MILES SOUTH OF LOGANSPORT...
MOVING SOUTHEAST AT 35 MPH.

PEA SIZE HAIL...WINDS GREATER THAN 40 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING AND HEAVY DOWNPOURS ARE POSSIBLE WITH THIS STORM.

LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
  GRISSOM AFB AND PERU...
  BUNKER HILL...
  LINCOLN...NEAD AND WELLS...
  MIAMI AND FLORA...
  SANTA FE AND PEORIA...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES.

SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.

LAT...LON 4107 8694 4099 8648 4076 8595 4059 8595
      4058 8637 4070 8638 4070 8653 4075 8653
      4075 8670 4086 8693
TIME...MOT...LOC 0658Z 301DEG 30KT 4062 8630

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 4:01 AM EDT	Special Weather Statement	IWX	Cass, Fulton, Miami, Pulaski, Starke	44 min
Jul 24, 6:11 AM EDT	Special Weather Statement	IWX	Blackford	34 min
Jul 24, 6:50 AM EDT	Special Weather Statement	IWX	Elkhart	25 min
Jul 24, 7:10 AM EDT	Special Weather Statement	IWX	Wells	35 min
Jul 24, 7:25 AM EDT	Special Weather Statement	IWX	Elkhart, LaGrange, Saint Joseph, Steuben	35 min
Jul 24, 7:34 AM EDT	Special Marine Warning	IWX		56 min
Jul 24, 8:10 AM EDT	Severe Thunderstorm Warning	IWX	Elkhart, LaPorte, Marshall, Saint Joseph, Starke	50 min
Jul 24, 8:18 AM EDT	Special Weather Statement	IWX	Kosciusko	42 min
Jul 24, 8:24 AM EDT	Severe Thunderstorm Warning	IWX	Fulton, Kosciusko, Marshall, Noble, Whitley	51 min
Jul 24, 8:43 AM EDT	Severe Thunderstorm Warning	IWX	Cass, Fulton, Marshall, Miami, Pulaski, Starke and 2 more	62 min
Jul 24, 9:07 AM EDT	Severe Thunderstorm Warning	IWX	Allen, Huntington, Wells, Whitley	28 min
Jul 24, 9:45 AM EDT	Severe Thunderstorm Warning	IWX	Blackford, Grant, Huntington, Jay, Miami, Wabash and 1 more	57 min
Jul 24, 10:00 AM EDT	Severe Thunderstorm Warning	IWX	Adams, Huntington, Jay, Wells	45 min
Jul 24, 3:58 PM EDT	Heat Advisory	IWX	Adams, Allen, Blackford, Cass, Elkhart, Fulton and 12 more	28 hr

Nearby

Special Weather Statements in Indiana, 2012 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.