Alert archive / Indiana / Special Weather Statements in 2015

Special Weather Statement, NWS Northern Indiana

October 15, 2015DeKalb County, Indiana; Defiance County, Ohio

NWS Northern Indiana issued this special weather statement at Oct 15, 2015, 8:45 PM EDT for DeKalb County, Indiana; Defiance County, Ohio. It was in force for 60 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
Oct 15, 2015, 8:45 PM EDT (00:45 UTC)
Expired
Oct 15, 2015, 9:45 PM EDT
In force
60 min
Issued by
NWS Northern Indiana

Counties DeKalb County, IN, Defiance County, OH

The radar

The Northern Indiana radar (KIWX), 76 km from the middle of the area, began a volume at 00:45 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, 0.8 hours before the alert went out and 227 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 2015-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2015-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2237 m above ground
0-6 km bulk shear
89 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
377 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.

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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 Oct 15, 7:44 PM EDT, 1 hour 1 minute earlier.

Area forecast discussion, Oct 15, 7:44 PM EDT, 1 hour 1 minute before
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Hazardous weather outlook, Oct 15, 5:37 AM EDT, 15 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTHERN INDIANA
537 AM EDT THU OCT 15 2015

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005-
015-016-024-025-160945-
LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-NOBLE-DE KALB-STARKE-
PULASKI-MARSHALL-FULTON IN-KOSCIUSKO-WHITLEY-ALLEN IN-WHITE-CASS IN-
MIAMI-WABASH-HUNTINGTON-WELLS-ADAMS-GRANT-BLACKFORD-JAY-BERRIEN-
CASS MI-ST. JOSEPH MI-BRANCH-HILLSDALE-WILLIAMS-FULTON OH-DEFIANCE-
HENRY-PAULDING-PUTNAM-VAN WERT-ALLEN OH-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...ELKHART...GOSHEN...LAGRANGE...TOPEKA...ANGOLA...
KENDALLVILLE...LIGONIER...AUBURN...GARRETT...KNOX...NORTH JUDSON...
WINAMAC...FRANCESVILLE...PLYMOUTH...BREMEN...ROCHESTER...WARSAW...
WINONA LAKE...COLUMBIA CITY...SOUTH WHITLEY...FORT WAYNE...
MONTICELLO...BROOKSTON...LOGANSPORT...PERU...WABASH...
NORTH MANCHESTER...HUNTINGTON...BLUFFTON...OSSIAN...DECATUR...
BERNE...MARION...HARTFORD CITY...MONTPELIER...PORTLAND...NILES...
BENTON HARBOR...ST. JOSEPH...BUCHANAN...DOWAGIAC...CASSOPOLIS...
STURGIS...THREE RIVERS...COLDWATER...HILLSDALE...BRYAN...WAUSEON...
ARCHBOLD...DEFIANCE...NAPOLEON...PAULDING...ANTWERP...OTTAWA...
PANDORA...VAN WERT...DELPHOS...LIMA
537 AM EDT THU OCT 15 2015 /437 AM CDT THU OCT 15 2015/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST OHIO...
NORTHERN INDIANA AND SOUTHWEST LOWER MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

PATCHY FROST IS POSSIBLE WELL INLAND FROM LAKE MICHIGAN FRIDAY
NIGHT WITH WIDESPREAD FROST EXPECTED SATURDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR
CHECK OUR WEB SITE AT WEATHER.GOV/IWX

LMZ043-046-160945-
NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI-
537 AM EDT THU OCT 15 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF
SOUTHEASTERN LAKE MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE EXPECTED THROUGH SATURDAY
MORNING.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR
CHECK OUR WEB SITE AT WEATHER.GOV/IWX/?N=MARINE

In the hours before

Special weather statement, Oct 15, 7:21 PM EDT, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
721 PM EDT THU OCT 15 2015

INZ006-007-MIZ079>081-OHZ001-160045-
STEUBEN-LAGRANGE-HILLSDALE-BRANCH-ST. JOSEPH-WILLIAMS-
721 PM EDT THU OCT 15 2015

...A LINE OF SHOWERS WITH AN ISOLATED THUNDERSTORM WILL AFFECT
NORTHERN STEUBEN... NORTHERN LAGRANGE...BRANCH...ST.
JOSEPH...HILLSDALE AND NORTHERN WILLIAMS COUNTIES...

AT 717 PM EDT...A LINE OF SHOWERS AND A FEW ISOLATED THUNDERSTORMS
WERE ALONG A LINE EXTENDING FROM 7 MILES WEST OF UNION CITY
MICHIGAN TO NEAR WHITE PIGEON MICHIGAN...AND MOVING EAST AT 50 MPH.

BRIEF DOWNPOURS AND GUSTY WINDS CAN BE EXPECTED. A FEW WIND GUSTS UP
TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS AND ISOLATED STORMS.

LOCATIONS IMPACTED INCLUDE...
STURGIS...COLDWATER...ANGOLA...HILLSDALE...THREE RIVERS...BRONSON...
HUDSON...JONESVILLE...FREMONT...CONSTANTINE...WEST UNITY...QUINCY...
UNION CITY...WHITE PIGEON...CENTREVILLE...PIONEER...LITCHFIELD...
COLON...READING AND HOLIDAY CITY.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 69 IN INDIANA BETWEEN MILE MARKERS 350 AND 357.
 INTERSTATE 69 IN MICHIGAN BETWEEN MILE MARKERS 1 AND 21.
 INTERSTATE 80 IN INDIANA BETWEEN MILE MARKERS 109 AND 156.
 INTERSTATE 80 IN OHIO BETWEEN MILE MARKERS 1 AND 21.

&&

LAT...LON 4177 8436 4170 8437 4170 8440 4159 8440
      4171 8566 4176 8566 4176 8577 4207 8569
      4207 8436
TIME...MOT...LOC 2317Z 280DEG 46KT 4208 8528 4177 8563

SLL
Local storm report, Oct 15, 8:29 PM EDT, 16 minutes before
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Special weather statement, Oct 15, 8:45 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 16, 4:01 AM EDTFreeze WatchIWXAdams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more36 hr
Oct 16, 3:12 PM EDTFreeze WarningIWXAdams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more18 hr

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.