Alert archive / Indiana / Special Weather Statements in 2012

Special Weather Statement, NWS Northern Indiana

July 27, 2012Wells County, Indiana

NWS Northern Indiana issued this special weather statement at Jul 27, 2012, 6:21 PM EDT for Wells 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 27, 2012, 6:21 PM EDT (22:21 UTC)
Expired
Jul 27, 2012, 6:45 PM EDT
In force
24 min
Issued by
NWS Northern Indiana

County Wells County, IN

The radar

The Northern Indiana radar (KIWX), 85 km from the middle of the area, began a volume at 22:23 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 186 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 2012-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 863 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2012-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
863 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

589 
WWUS83 KIWX 272221
SPSIWX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
621 PM EDT FRI JUL 27 2012

INZ025-026-032>034-272245-
BLACKFORD IN-GRANT IN-HUNTINGTON IN-JAY IN-WELLS IN-
621 PM EDT FRI JUL 27 2012

...STRONG THUNDERSTORMS MOVING TOWARD NORTHERN BLACKFORD...
NORTHWESTERN JAY...NORTHEASTERN GRANT...SOUTHERN WELLS...EXTREME
WESTERN ADAMS AND SOUTHEASTERN HUNTINGTON COUNTIES...

AT 619 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR VAN BUREN...OR 12 MILES NORTHEAST OF
MARION...MOVING EAST AT 25 MPH.

UP TO DIME SIZE HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND 
LIGHTNING AND HEAVY DOWNPOURS ARE LIKELY WITH THIS STORM.

LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
  BLUFFTON...
  MONTPELIER...
  MCNATTS AND ROLL...
  MOUNT ZION AND BUCKEYE...
  LIBERTY CENTER...
  DILLMAN...PONETO AND KEYSTONE...

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. 

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
FRIDAY EVENING FOR NORTHEASTERN INDIANA AND NORTHWESTERN OHIO.

LAT...LON 4074 8507 4047 8508 4061 8565 4077 8550
TIME...MOT...LOC 2221Z 275DEG 23KT 4065 8546

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 8:28 PM EDTSpecial Weather StatementIWXSaint Joseph47 min
Jul 26, 9:02 PM EDTSpecial Weather StatementIWXSaint Joseph43 min
Jul 26, 9:38 PM EDTSpecial Weather StatementIWXElkhart37 min
Jul 27, 4:25 AM EDTRip Current StatementIWX42 hr
Jul 27, 2:24 PM EDTSpecial Weather StatementIWXMiami36 min
Jul 27, 2:53 PM EDTSpecial Weather StatementIWXElkhart37 min
Jul 27, 2:58 PM EDTSpecial Weather StatementIWXHuntington, Miami, Wabash32 min
Jul 27, 3:05 PM EDTSpecial Weather StatementIWXLaGrange25 min
Jul 27, 3:12 PM EDTSevere Thunderstorm WarningIWXElkhart48 min
Jul 27, 3:26 PM EDTSpecial Weather StatementIWXNoble, Whitley34 min
Jul 27, 4:01 PM EDTSpecial Weather StatementIWXWhitley29 min
Jul 27, 4:04 PM EDTSpecial Weather StatementIWXJay26 min
Jul 27, 6:22 PM EDTSpecial Weather StatementIWXAdams38 min
Jul 27, 4:35 PM EDTSpecial Weather StatementIWXWilliams25 min
Jul 27, 6:34 PM EDTSpecial Weather StatementIWXPutnam41 min
Jul 27, 2:19 PM EDTSpecial Weather StatementIWXSaint Joseph26 min
Jul 27, 3:54 PM EDTSpecial Weather StatementIWXBranch36 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.