Alert archive / Indiana / Special Weather Statements in 2015

Special Weather Statement, NWS Northern Indiana

September 19, 20154 counties in Indiana; Henry County, Paulding County, Ohio

NWS Northern Indiana issued this special weather statement at Sep 19, 2015, 4:13 AM EDT for 4 counties in Indiana; Henry County, Paulding County, Ohio. It was in force for 62 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
Sep 19, 2015, 4:13 AM EDT (08:13 UTC)
Expired
Sep 19, 2015, 5:15 AM EDT
In force
62 min
Issued by
NWS Northern Indiana

Counties Adams County, IN, Blackford County, IN, Grant County, IN, Wells County, IN, Henry County, OH, Paulding County, OH

The radar

The Northern Indiana radar (KIWX), 94 km from the middle of the area, began a volume at 08:14 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 00:00Z, 8.2 hours before the alert went out and 189 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 00:00Z on 2015-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 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 00:00Z on 2015-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939Sfc1 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
40 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
1439 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

754 
WWUS83 KIWX 190813
SPSIWX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
413 AM EDT SAT SEP 19 2015
 
INZ018-025>027-032>034-OHZ004-005-015-024-190915-
JAY-HUNTINGTON-ALLEN-ADAMS-BLACKFORD-WELLS-GRANT-VAN
WERT-HENRY-DEFIANCE-PAULDING-
413 AM EDT SAT SEP 19 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN JAY...
WELLS...SOUTHEASTERN HUNTINGTON...SOUTHEASTERN GRANT...ADAMS...
SOUTHEASTERN ALLEN...BLACKFORD...PAULDING...NORTHWESTERN VAN WERT...
CENTRAL HENRY AND SOUTHERN DEFIANCE COUNTIES...

AT 412 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR ANTWERP TO NEAR OSSIAN TO NEAR FAIRMOUNT...AND
MOVING EAST AT 25 MPH.

WINDS GUSTS OF 35 TO 40 MPH CAN BE EXPECTED AS THIS LINE PASSES 
ALONG WITH BRIEF HEAVY RAIN AND FREQUENT LIGHTNING. 

LOCATIONS IMPACTED INCLUDE...
MARION...DEFIANCE...NEW HAVEN...VAN WERT...BLUFFTON...DECATUR...
NAPOLEON...HARTFORD CITY...GAS CITY...BERNE...UPLAND...OSSIAN...
FAIRMOUNT...PAULDING...MONTPELIER...JONESBORO...ANTWERP...WOODBURN...
GENEVA AND MONROEVILLE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 469 BETWEEN MILE MARKERS 9 AND 20.
 INTERSTATE 69 IN INDIANA BETWEEN MILE MARKERS 254 AND 273.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 4116 8425 4117 8434 4109 8434 4042 8518
      4039 8586 4082 8530 4125 8479 4142 8395
TIME...MOT...LOC 0812Z 259DEG 24KT 4122 8477 4083 8522 4046 8574 
$$

FISHER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 8:08 PM EDTSpecial Weather StatementIWXElkhart37 min
Sep 18, 10:02 PM EDTSevere Thunderstorm WarningIWXWhite43 min
Sep 18, 10:31 PM EDTSevere Thunderstorm WarningIWXCass44 min
Sep 18, 11:07 PM EDTSevere Thunderstorm WarningIWXMiami, Wabash53 min
Sep 18, 11:44 PM EDTSpecial Weather StatementIWXHuntington31 min
Sep 19, 12:19 AM EDTSpecial Weather StatementIWXAdams, Wells56 min
Sep 19, 12:57 AM EDTSpecial Weather StatementIWXAdams48 min
Sep 19, 1:55 AM EDTSpecial Marine WarningIWX95 min
Sep 19, 2:12 AM EDTSpecial Weather StatementIWXLaPorte63 min
Sep 19, 2:58 AM EDTSpecial Weather StatementIWXMarshall, Saint Joseph, Starke32 min
Sep 19, 3:01 AM EDTSpecial Weather StatementIWXHuntington, Miami, Wabash59 min
Sep 19, 12:01 PM EDTSmall Craft AdvisoryIWX11 hr
Sep 18, 9:15 PM EDTSpecial Weather StatementIWXBranch15 min
Sep 18, 10:06 PM EDTSpecial Weather StatementIWXHillsdale24 min

Nearby

Special Weather Statements in Indiana, 2015Special Weather Statements in Ohio, 2015Every special weather statement in 2015

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.