Alert archive / Indiana / Special Weather Statements in 2012

Special Weather Statement, NWS Northern Indiana

July 15, 2012Huntington County, Indiana

NWS Northern Indiana issued this special weather statement at Jul 15, 2012, 6:21 PM EDT for Huntington County, Indiana. It was in force for 24 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 15, 2012, 6:21 PM EDT (22:21 UTC)
Expired
Jul 15, 2012, 6:45 PM EDT
In force
24 min
Issued by
NWS Northern Indiana

County Huntington County, IN

The radar

The Northern Indiana radar (KIWX), 52 km from the middle of the area, began a volume at 22:20 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.4 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, Cncnati-Daytn, OH at 12:00Z on 2012-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 710 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, Cncnati-Daytn, OH at 12:00Z on 2012-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
710 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
571 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

221 
WWUS83 KIWX 152221
SPSIWX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
521 PM CDT SUN JUL 15 2012

INZ017-018-025-026-152245-
ALLEN IN-HUNTINGTON IN-WELLS IN-WHITLEY IN-
621 PM EDT SUN JUL 15 2012

...STRONG THUNDERSTORM MOVING TOWARD NORTHERN WELLS...NORTHEASTERN
HUNTINGTON...SOUTHEASTERN WHITLEY AND SOUTHWESTERN ALLEN COUNTIES...

AT 615 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
RAPIDLY DEVELOPING THUNDERSTORM OVER SOUTHEASTERN WHITLEY COUNTY...OR
9 MILES SOUTH OF COLUMBIA CITY...MOVING SOUTHEAST AT 15 MPH.

LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
  ABOITE...ROANOKE AND MAHON...
  ROLLING HILLS...
  NINE MILE...ZANESVILLE AND YODER...

THIS STORM WILL INTENSIFY QUICKLY AND PRODUCE A PERIOD OF VERY HEAVY 
RAINFALL. RAINFALL AMOUNTS UP TO HALF AN INCH IN FIFTEEN MINUTES ARE 
POSSIBLE. 

ADDITIONALLY...ALL THUNDERSTORMS PRODUCE LIGHTNING. LIGHTNING CAN BE 
DEADLY. IF YOU ARE OUTSIDE AND SEE LIGHTNING OR HEAR THUNDER... 
IMMEDIATELY SEEK SHELTER INSIDE A BUILDING OR IN A VEHICLE. DO NOT 
GO BACK OUTSIDE UNTIL THUNDER HAS NOT BEEN HEARD FOR 30 MINUTES. 


LAT...LON 4102 8510 4080 8528 4103 8556 4113 8547
TIME...MOT...LOC 2217Z 304DEG 14KT 4103 8541

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 9:59 PM EDTAreal Flood AdvisoryIWXBlackford, Grant, Huntington, Wells3 hr
Jul 15, 5:51 PM EDTSpecial Weather StatementIWXStarke24 min
Jul 15, 6:43 PM EDTSevere Thunderstorm WarningIWXAllen, Huntington, Wells, Whitley25 min

Nearby

Special Weather Statements in Indiana, 2012Every 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.