Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 66, NWS Northern Indiana

July 6, 2012Huntington County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 6, 2012, 4:28 PM EDT for Huntington County, Indiana. It was in force for 24 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: Jul 6, 2012, 4:28 PM EDT (20:28 UTC)
Expired: Jul 6, 2012, 4:52 PM EDT
In force: 24 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

County Huntington County, IN

The radar

The Northern Indiana radar (KIWX), 57 km from the middle of the area, began a volume at 20:27 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 6, 4:30 PM EDT	TSTM WND DMG	1 Ne Huntington, IN	POWER LINES REPORTED DOWN ON TIPTON AND WOODLAWN STREETS IN HUNTINGTON.
Jul 6, 4:31 PM EDT	TSTM WND DMG	Huntington, IN	A LARGE TREE FELL ONTO TWO HOUSES ON WEST PARK DRIVE NEAR DOWNTOWN HUNTINGTON CAUSING MODERATE DAMAGE TO ONE AND MINOR DAMAGE TO THE OTHER. THE TREE APPEARED TO HAVE BEEN DAMAGED PREVIOUSLY FROM THE PREVIOUS DERECHO EVENT AND BROKE IN HALF WHERE IT WAS ALREADY
Jul 6, 4:32 PM EDT	TSTM WND DMG	1 S Huntington, IN	TWO 3 TO 5 INCH BRANCHES DOWN ON SOUTH BRIANT STREET.

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, 8.5 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-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: 1161 J/kg
Mixed-layer CIN: -123 J/kg
Mixed-layer LCL: 1491 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

800 
WUUS53 KIWX 062028
SVRIWX
INC069-062115-
/O.NEW.KIWX.SV.W.0066.120706T2028Z-120706T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
428 PM EDT FRI JUL 6 2012

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HUNTINGTON COUNTY IN NORTHEAST INDIANA...

* UNTIL 515 PM EDT

* AT 423 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS SEVERE STORM WAS
  LOCATED NEAR HUNTINGTON...AND MOVING SOUTH AT 10 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...  
  ANDREWS AND BOWERSTOWN.

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 4079 8538 4078 8564 4087 8564 4097 8559
      4097 8549
TIME...MOT...LOC 2027Z 357DEG 7KT 4087 8551
WIND...HAIL 70MPH 1.00IN

$$

1 follow-up statement

413 
WWUS53 KIWX 062052
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
452 PM EDT FRI JUL 6 2012

INC069-062100-
/O.CAN.KIWX.SV.W.0066.000000T0000Z-120706T2115Z/
HUNTINGTON IN-
452 PM EDT FRI JUL 6 2012

...THE SEVERE THUNDERSTORM WARNING FOR HUNTINGTON COUNTY IS 
CANCELLED...

AT 450 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD WEAKENED AND
NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...
THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. 

THE DECAYING THUNDERSTORM WAS PRODUCING RAINFALL RATES OF 1 TO 2 
INCHES PER HOUR ACROSS THE CITY OF HUNTINGTON. AN URBAN AND SMALL 
STREAM FLOOD ADVISORY FOR MINOR FLOODING OF POOR DRAINAGE AREAS IN 
CENTRAL HUNTINGTON COUNTY CONTINUES UNTIL 745 PM.  

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 4079 8538 4078 8564 4087 8564 4097 8559
      4097 8549
TIME...MOT...LOC 2050Z 357DEG 7KT 4083 8551

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 8:21 PM EDT	Special Weather Statement	IWX	Adams	24 min
Jul 6, 3:18 PM EDT	Special Weather Statement	IWX	Allen, Kosciusko, Whitley	27 min
Jul 6, 4:04 PM EDT	Severe Thunderstorm Warning	IWX	Huntington, Wabash	26 min
Jul 6, 4:19 PM EDT	Severe Thunderstorm Warning	IWX	Huntington, Wabash	14 min
Jul 6, 4:45 PM EDT	Areal Flood Advisory	IWX	Huntington	3 hr
Jul 6, 4:58 PM EDT	Special Weather Statement	IWX	Miami	47 min
Jul 6, 5:59 PM EDT	Special Weather Statement	IWX	LaGrange	31 min
Jul 6, 6:04 PM EDT	Special Weather Statement	IWX	Blackford	26 min
Jul 6, 6:11 PM EDT	Severe Thunderstorm Warning	IWX	Blackford, Jay	25 min
Jul 6, 6:18 PM EDT	Severe Thunderstorm Warning	IWX	LaGrange	27 min
Jul 6, 6:43 PM EDT	Severe Thunderstorm Warning	IWX	LaGrange	32 min
Jul 6, 7:13 PM EDT	Areal Flood Advisory	IWX	LaGrange	2 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 Every 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.