Alert archive / Indiana / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 106, NWS Northern Indiana

December 23, 20154 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Dec 23, 2015, 2:34 PM EST for 4 counties in Indiana. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 23, 2015, 2:34 PM EST (19:34 UTC)
Expired
Dec 23, 2015, 3:00 PM EST
In force
26 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Elkhart County, IN, Kosciusko County, IN, Marshall County, IN, Saint Joseph County, IN

The radar

The Northern Indiana radar (KIWX), 32 km from the middle of the area, began a volume at 19:34 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

Lincoln, IL (KILX), launched 12:00Z, 7.6 hours before the alert went out and 257 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, Lincoln, IL at 12:00Z on 2015-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 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, Lincoln, IL at 12:00Z on 2015-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 square meters per square second.1939587897Sfc1 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
12 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
465 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Dec 23, 1:35 PM EST, 59 minutes earlier.

Area forecast discussion, Dec 23, 1:35 PM EST, 59 minutes before
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Hazardous weather outlook, Dec 23, 4:56 AM EST, 9 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTHERN INDIANA
456 AM EST WED DEC 23 2015

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005-
015-016-024-025-241000-
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
456 AM EST WED DEC 23 2015 /356 AM CST WED DEC 23 2015/

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

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK FOR STRONG TO SEVERE THUNDERSTORMS LATE THIS
AFTERNOON AND EVENING...WITH THE MAIN THREAT BEING ISOLATED DAMAGING
WIND GUSTS. HOWEVER...AN ISOLATED TORNADO CANNOT BE RULED OUT.

WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE BEHIND A STRONG COLD FRONT
TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE IS A POTENTIAL FOR HEAVY RAINFALL...POSSIBLY LEADING TO SOME
FLOODING... OVER THE WEEKEND AND EARLY NEXT WEEK AS A COUPLE OF
MOISTURE LADEN LOW PRESSURE SYSTEMS MOVE FROM THE SOUTHERN PLAINS
ACROSS THE GREAT LAKES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND THIS
EVENING.

&&

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

LMZ043-046-241000-
NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI-
456 AM EST WED DEC 23 2015

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

.DAY ONE...TODAY AND TONIGHT

A SMALL CRAFT ADVISORY IS IN EFFECT TODAY WITH A GALE WARNING
TONIGHT. THUNDERSTORMS ARE ALSO POSSIBLE THIS AFTERNOON AND THIS
EVENING... CAUSING LOCALLY HIGHER WINDS AND WAVES. A FEW STORM
FORCE GUSTS ARE POSSIBLE OVERNIGHT AS THE COLD FRONT MOVES
THROUGH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY THURSDAY.

&&

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, Dec 23, 1:17 PM EST, 1 hour 17 minutes before
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Special weather statement, Dec 23, 1:46 PM EST, 48 minutes before
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Special weather statement, Dec 23, 1:59 PM EST, 35 minutes before
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Special weather statement, Dec 23, 2:27 PM EST, 7 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 4:36 AM ESTGale WarningIWX29 hr
Dec 23, 1:16 PM ESTSpecial Marine WarningIWX59 min
Dec 23, 1:17 PM ESTSpecial Weather StatementIWXPulaski, White43 min
Dec 23, 1:46 PM ESTSpecial Weather StatementIWXCass29 min
Dec 23, 1:59 PM ESTSpecial Weather StatementIWXFulton, Marshall31 min
Dec 23, 2:27 PM ESTSpecial Weather StatementIWXElkhart, Kosciusko, Marshall, Miami, Wabash33 min
Dec 23, 2:46 PM ESTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Marshall, Saint Joseph44 min
Dec 23, 3:16 PM ESTSpecial Weather StatementIWXHuntington, LaGrange, Noble, Wabash, Whitley44 min
Dec 23, 3:47 PM ESTWind AdvisoryIWXAdams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more12 hr
Dec 23, 4:00 PM ESTSpecial Weather StatementIWXDeKalb, Noble, Steuben30 min
Dec 23, 4:28 PM ESTSpecial Weather StatementIWXAdams, Allen, Blackford, Huntington, Jay, Wells47 min
Dec 23, 5:01 PM ESTSpecial Weather StatementIWXDefiance, Fulton, Williams29 min
Dec 23, 5:05 PM ESTSpecial Weather StatementIWXAllen, Paulding, Putnam, Van Wert40 min
Dec 23, 5:40 PM ESTSpecial Weather StatementIWXAllen, Fulton, Henry, Putnam50 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2015Every severe thunderstorm warning 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.