Alert archive / Michigan / Winter Storm Warnings in 2015

Winter Storm Warning 4, NWS Northern Indiana

February 13, 2015Cass County, Michigan

NWS Northern Indiana issued this winter storm warning at Feb 13, 2015, 3:49 PM EST for Cass County, Michigan. It took effect at Feb 14, 2015, 4:00 AM EST. It was in force for 7 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
Feb 13, 2015, 3:49 PM EST (20:49 UTC)
In effect from
Feb 14, 2015, 4:00 AM EST
Expired
Feb 14, 2015, 4:07 AM EST
In force
7 min
Issued by
NWS Northern Indiana

County Cass County, MI

The radar

The Northern Indiana radar (KIWX), 66 km from the middle of the area, began a volume at 20:48 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

Detroit, MI (KDTX), launched 12:00Z, 8.8 hours before the alert went out and 229 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, Detroit, MI at 12:00Z on 2015-02-13Temperature 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, Detroit, MI at 12:00Z on 2015-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.19395878Sfc1 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
748 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
96 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.

610 
WWUS43 KIWX 132049
WSWIWX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
349 PM EST FRI FEB 13 2015

INZ003-004-MIZ077-078-140500-
/O.UPG.KIWX.WS.A.0003.150214T0900Z-150215T1200Z/
/O.NEW.KIWX.WS.W.0004.150214T0900Z-150215T1200Z/
LA PORTE-ST. JOSEPH IN-BERRIEN-CASS MI-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...NEW CARLISLE...WALKERTON...NILES...BENTON HARBOR...
ST. JOSEPH...BUCHANAN...DOWAGIAC...CASSOPOLIS...MARCELLUS
349 PM EST FRI FEB 13 2015 /249 PM CST FRI FEB 13 2015/

...WINTER STORM WARNING IN EFFECT FROM 4 AM EST /3 AM CST/
SATURDAY TO 7 AM EST /6 AM CST/ SUNDAY...

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A
WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 4 AM EST /3 AM CST/ SATURDAY TO 7 AM EST /6 AM CST/ SUNDAY.
THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

HAZARDOUS WEATHER...

 * LIGHT SNOW WILL DEVELOP LATE TONIGHT AND WILL INCREASE IN
   INTENSITY TOWARD DAYBREAK SATURDAY WITH LAKE EFFECT SNOW
   SHOWERS EXPECTED FROM MID MORNING SATURDAY THROUGH SATURDAY
   NIGHT. STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 6 INCHES ARE
   EXPECTED BY SATURDAY NIGHT. DUE TO THE NATURE OF LAKE EFFECT
   SNOW...EXACT TOTALS MAY VARY SIGNIFICANTLY DEPENDING ON WHERE
   THE HEAVIER SNOWBANDS SET UP.

 * SNOWFALL WILL BE ACCOMPANIED BY VERY STRONG WINDS SATURDAY...
   DIMINISHING SATURDAY NIGHT...WITH NORTHWEST GUSTS AS HIGH AS 40
   TO 45 MPH POSSIBLE. THE STRONG WINDS WILL CAUSE CONSIDERABLE
   BLOWING AND DRIFTING SNOW WITH WHITEOUT CONDITIONS POSSIBLE AT
   TIMES... ESPECIALLY NEAR LAKE MICHIGAN WHERE WINDS WILL BE
   STRONGEST. EVEN LOCATIONS WHICH DO NOT RECEIVE THE HEAVIER
   SNOWFALL WILL LIKELY EXPERIENCE SIGNIFICANTLY REDUCED
   VISIBILITIES DUE TO THE VERY STRONG WINDS.

 * BITTER COLD CONDITIONS ARE ALSO EXPECTED... WITH TEMPERATURES 
   FALLING INTO THE SINGLE DIGITS AND WIND CHILLS FALLING TO 10 
   BELOW TO 20 BELOW ZERO SATURDAY NIGHT. 

IMPACTS...

 * TRAVEL IS EXPECTED TO BE HAZARDOUS DUE TO FALLING SNOW... AND
   BLOWING AND DRIFTING SNOW...WITH WHITEOUTS POSSIBLE.

 * STRONG WINDS GUSTING UP TO 45 MPH SATURDAY MAY RESULT IN SOME
   POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS SEVERE
WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT
AMOUNTS OF SNOW AND VERY STRONG WINDS ARE FORECAST THAT WILL MAKE
TRAVEL DIFFICULT OR IMPOSSIBLE AT TIMES.

&&

$$

INZ006>009-MIZ079>081-OHZ001-002-004-005-140500-
/O.NEW.KIWX.WW.Y.0011.150214T1200Z-150215T0000Z/
LAGRANGE-STEUBEN-NOBLE-DE KALB-ST. JOSEPH MI-BRANCH-HILLSDALE-
WILLIAMS-FULTON OH-DEFIANCE-HENRY-
INCLUDING THE CITIES OF...LAGRANGE...TOPEKA...SHIPSHEWANA...
ANGOLA...FREMONT...KENDALLVILLE...LIGONIER...ALBION...AUBURN...
GARRETT...STURGIS...THREE RIVERS...WHITE PIGEON...MENDON...
COLDWATER...BRONSON...HILLSDALE...LITCHFIELD...JONESVILLE...
BRYAN...MONTPELIER...WAUSEON...ARCHBOLD...FAYETTE...SWANTON...
DEFIANCE...SHERWOOD...HICKSVILLE...NAPOLEON...DESHLER...
LIBERTY CENTER
349 PM EST FRI FEB 13 2015

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 7 PM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A
WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN
EFFECT FROM 7 AM TO 7 PM EST SATURDAY. 

HAZARDOUS WEATHER...

 * SNOW...1 TO 2 INCHES OF SNOW ACCUMULATION...WITH MOST OF THE
   SNOW ACCUMULATION FROM EARLY SATURDAY MORNING THROUGH EARLY
   SATURDAY AFTERNOON. LOCALLY HIGHER SNOW AMOUNTS ARE
   POSSIBLE...PARTICULARLY ACROSS SOUTH CENTRAL LOWER MICHIGAN.

 * BLOWING AND DRIFTING SNOW...WHILE ONLY LIGHT SNOW AMOUNTS ARE
   FORECAST...NORTHWEST WINDS GUSTING AS HIGH AS 35 TO 40 MPH WILL
   RESULT IN SIGNIFICANT BLOWING AND DRIFTING SNOW AND REDUCED
   VISIBILITIES.

 * BITTER COLD: WIND CHILLS WILL DROP INTO THE 15 BELOW TO 25
   BELOW RANGE SATURDAY NIGHT.

IMPACTS...

 * VISIBILITY WILL BE SIGNIFICANTLY REDUCED DUE TO THE COMBINATION
   OF SNOW AND BLOWING SNOW.

 * BLOWING AND DRIFTING SNOW WILL RESULT IN HAZARDOUS TRAVEL
   CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN
AREAS.

&&

$$

INZ005-012>016-140500-
/O.NEW.KIWX.WW.Y.0011.150214T1200Z-150215T1200Z/
ELKHART-STARKE-PULASKI-MARSHALL-FULTON IN-KOSCIUSKO-
INCLUDING THE CITIES OF...ELKHART...GOSHEN...NAPPANEE...KNOX...
NORTH JUDSON...BASS LAKE...WINAMAC...FRANCESVILLE...MEDARYVILLE...
PLYMOUTH...BREMEN...CULVER...ROCHESTER...AKRON...WARSAW...
WINONA LAKE...SYRACUSE...MENTONE
349 PM EST FRI FEB 13 2015 /249 PM CST FRI FEB 13 2015/

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM EST /6 AM CST/
SATURDAY TO 7 AM EST /6 AM CST/ SUNDAY...

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A
WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN
EFFECT FROM 7 AM EST /6 AM CST/ SATURDAY TO 7 AM EST /6 AM CST/
SUNDAY.

HAZARDOUS WEATHER...

 * SNOW...1 TO 4 INCHES OF SNOW ACCUMULATION. MOST OF THE SNOW
   ACCUMULATION SATURDAY AFTERNOON INTO SATURDAY NIGHT WILL BE DUE
   TO LAKE EFFECT SNOW SHOWERS.

 * BLOWING AND DRIFTING SNOW...WHILE ONLY LIGHT TO MODERATE SNOW
   ACCUMULATIONS ARE FORECAST...NORTHWEST WINDS GUSTING AS HIGH AS
   35 TO 40 MPH WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING
   SNOW AND REDUCED VISIBILITIES. 

 * BITTER COLD: WIND CHILLS WILL DROP INTO THE 10 BELOW TO 20 BELOW
   RANGE SATURDAY NIGHT.

IMPACTS...

 * VISIBILITY WILL BE SIGNIFICANTLY REDUCED DUE TO THE COMBINATION
   OF SNOW AND BLOWING SNOW.

 * BLOWING AND DRIFTING SNOW WILL RESULT IN HAZARDOUS TRAVEL
   CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN
AREAS.

&&

$$
2 follow-up statements
723 
WWUS43 KIWX 140306
WSWIWX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1006 PM EST FRI FEB 13 2015

INZ003-004-MIZ077-078-141100-
/O.CON.KIWX.WS.W.0004.150214T0900Z-150215T1200Z/
LA PORTE-ST. JOSEPH IN-BERRIEN-CASS MI-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...NEW CARLISLE...WALKERTON...NILES...BENTON HARBOR...
ST. JOSEPH...BUCHANAN...DOWAGIAC...CASSOPOLIS...MARCELLUS
1006 PM EST FRI FEB 13 2015 /906 PM CST FRI FEB 13 2015/

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM EST /3 AM
CST/ SATURDAY TO 7 AM EST /6 AM CST/ SUNDAY...

HAZARDOUS WEATHER...

 * LIGHT SNOW WILL DEVELOP OVERNIGHT AND INCREASE IN INTENSITY
   TOWARD DAYBREAK. LAKE EFFECT SNOW SHOWERS ARE ALSO EXPECTED
   FROM MID MORNING SATURDAY THROUGH SATURDAY NIGHT. STORM TOTAL
   SNOW ACCUMULATIONS OF 4 TO 6 INCHES ARE EXPECTED BY SATURDAY
   NIGHT. DUE TO THE NATURE OF LAKE EFFECT SNOW...EXACT TOTALS MAY
   VARY SIGNIFICANTLY DEPENDING ON WHERE THE HEAVIER SNOWBANDS SET
   UP.

 * SNOWFALL WILL BE ACCOMPANIED BY VERY STRONG WINDS SATURDAY...
   DIMINISHING SATURDAY NIGHT...WITH NORTHWEST GUSTS AS HIGH AS 40
   TO 45 MPH POSSIBLE. THE STRONG WINDS WILL CAUSE CONSIDERABLE
   BLOWING AND DRIFTING SNOW WITH WHITEOUT CONDITIONS POSSIBLE AT
   TIMES...ESPECIALLY NEAR LAKE MICHIGAN WHERE WINDS WILL BE
   STRONGEST. EVEN LOCATIONS WHICH DO NOT RECEIVE THE HEAVIER
   SNOWFALL WILL LIKELY EXPERIENCE SIGNIFICANTLY REDUCED
   VISIBILITIES DUE TO THE VERY STRONG WINDS.

 * BITTER COLD CONDITIONS ARE ALSO EXPECTED... WITH TEMPERATURES 
   FALLING INTO THE SINGLE DIGITS AND WIND CHILLS FALLING TO 10 
   BELOW TO 20 BELOW ZERO SATURDAY NIGHT. 

IMPACTS...

 * TRAVEL IS EXPECTED TO BE HAZARDOUS DUE TO FALLING SNOW... AND
   BLOWING AND DRIFTING SNOW...WITH WHITEOUT CONDITIONS POSSIBLE.

 * STRONG WINDS GUSTING UP TO 45 MPH SATURDAY MAY RESULT IN SOME 
   POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS SEVERE
WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT
AMOUNTS OF SNOW AND VERY STRONG WINDS ARE FORECAST THAT WILL MAKE
TRAVEL DIFFICULT OR IMPOSSIBLE AT TIMES.

&&

$$

INZ006>009-MIZ079>081-OHZ001-002-004-005-141100-
/O.CON.KIWX.WW.Y.0011.150214T1200Z-150215T0000Z/
LAGRANGE-STEUBEN-NOBLE-DE KALB-ST. JOSEPH MI-BRANCH-HILLSDALE-
WILLIAMS-FULTON OH-DEFIANCE-HENRY-
INCLUDING THE CITIES OF...LAGRANGE...TOPEKA...SHIPSHEWANA...
ANGOLA...FREMONT...KENDALLVILLE...LIGONIER...ALBION...AUBURN...
GARRETT...STURGIS...THREE RIVERS...WHITE PIGEON...MENDON...
COLDWATER...BRONSON...HILLSDALE...LITCHFIELD...JONESVILLE...
BRYAN...MONTPELIER...WAUSEON...ARCHBOLD...FAYETTE...SWANTON...
DEFIANCE...SHERWOOD...HICKSVILLE...NAPOLEON...DESHLER...
LIBERTY CENTER
1006 PM EST FRI FEB 13 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
EST SATURDAY...

HAZARDOUS WEATHER...

 * SNOW...1 TO 2 INCHES OF SNOW ACCUMULATION...WITH MOST OF THE 
   SNOW ACCUMULATION FROM EARLY SATURDAY MORNING THROUGH EARLY 
   SATURDAY AFTERNOON. LOCALLY HIGHER SNOW AMOUNTS ARE 
   POSSIBLE... PARTICULARLY ACROSS SOUTH CENTRAL LOWER MICHIGAN. 

 * BLOWING AND DRIFTING SNOW...WHILE ONLY LIGHT SNOW AMOUNTS ARE 
   FORECAST...NORTHWEST WINDS GUSTING AS HIGH AS 35 TO 40 MPH 
   WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING SNOW AND 
   REDUCED VISIBILITIES. 

 * BITTER COLD: WIND CHILLS WILL DROP INTO THE 15 BELOW TO 25 
   BELOW RANGE SATURDAY NIGHT. 

IMPACTS...

 * VISIBILITY WILL BE SIGNIFICANTLY REDUCED DUE TO THE 
   COMBINATION OF SNOW AND BLOWING SNOW. 

 * BLOWING AND DRIFTING SNOW WILL RESULT IN HAZARDOUS TRAVEL 
   CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN
AREAS.

&&

$$

INZ005-012>016-141100-
/O.CON.KIWX.WW.Y.0011.150214T1200Z-150215T1200Z/
ELKHART-STARKE-PULASKI-MARSHALL-FULTON IN-KOSCIUSKO-
INCLUDING THE CITIES OF...ELKHART...GOSHEN...NAPPANEE...KNOX...
NORTH JUDSON...BASS LAKE...WINAMAC...FRANCESVILLE...MEDARYVILLE...
PLYMOUTH...BREMEN...CULVER...ROCHESTER...AKRON...WARSAW...
WINONA LAKE...SYRACUSE...MENTONE
1006 PM EST FRI FEB 13 2015 /906 PM CST FRI FEB 13 2015/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM EST /6 AM
CST/ SATURDAY TO 7 AM EST /6 AM CST/ SUNDAY...

HAZARDOUS WEATHER...

 * SNOW...1 TO 4 INCHES OF SNOW ACCUMULATION. MOST OF THE SNOW 
   ACCUMULATION SATURDAY AFTERNOON INTO SATURDAY NIGHT WILL BE 
   DUE TO LAKE EFFECT SNOW SHOWERS. 

 * BLOWING AND DRIFTING SNOW...WHILE ONLY LIGHT TO MODERATE SNOW 
   ACCUMULATIONS ARE FORECAST...NORTHWEST WINDS GUSTING AS HIGH 
   AS 35 TO 40 MPH WILL RESULT IN SIGNIFICANT BLOWING AND 
   DRIFTING SNOW AND REDUCED VISIBILITIES. 

 * BITTER COLD: WIND CHILLS WILL DROP INTO THE 10 BELOW TO 20 
   BELOW RANGE SATURDAY NIGHT. 

IMPACTS...

 * VISIBILITY WILL BE SIGNIFICANTLY REDUCED DUE TO THE 
   COMBINATION OF SNOW AND BLOWING SNOW. 

 * BLOWING AND DRIFTING SNOW WILL RESULT IN HAZARDOUS TRAVEL 
   CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN
AREAS.

&&

$$
119 
WWUS43 KIWX 140907
WSWIWX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
407 AM EST SAT FEB 14 2015

INZ003-004-MIZ077-078-141715-
/O.CAN.KIWX.WS.W.0004.000000T0000Z-150215T1200Z/
/O.NEW.KIWX.WS.W.0005.150214T1300Z-150215T1200Z/
LA PORTE-ST. JOSEPH IN-BERRIEN-CASS MI-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...NEW CARLISLE...WALKERTON...NILES...BENTON HARBOR...
ST. JOSEPH...BUCHANAN...DOWAGIAC...CASSOPOLIS...MARCELLUS
407 AM EST SAT FEB 14 2015 /307 AM CST SAT FEB 14 2015/

...WINTER STORM WARNING IN EFFECT FROM 8 AM EST /7 AM CST/ THIS
MORNING TO 7 AM EST /6 AM CST/ SUNDAY...

HAZARDOUS WEATHER...

 * TIMING...SNOW IS EXPECTED TO INCREASE IN COVERAGE AND INTENSITY
   BY MID MORNING ALONG AN ARCTIC FRONT...WITH BANDS OF LAKE
   EFFECT SNOW EXPECTED LATER THIS MORNING THROUGH EARLY SUNDAY
   MORNING.

 * SNOW ACCUMULATIONS...GENERALLY RANGING BETWEEN 4 AND 7 INCHES.
   DUE TO THE NATURE OF LAKE EFFECT SNOW...EXACT TOTALS MAY VARY
   SIGNIFICANTLY DEPENDING ON WHERE THE HEAVIER SNOWBANDS SET UP.

 * BLOWING SNOW...SNOWFALL WILL BE ACCOMPANIED BY VERY STRONG
   WINDS TODAY...DIMINISHING TONIGHT...WITH NORTHWEST GUSTS AS
   HIGH AS 40 TO 45 MPH EXPECTED LATER THIS MORNING AND
   AFTERNOON. THE STRONG WINDS WILL CAUSE CONSIDERABLE BLOWING AND
   DRIFTING SNOW WITH WHITEOUT CONDITIONS POSSIBLE AT
   TIMES...ESPECIALLY NEAR LAKE MICHIGAN WHERE WINDS WILL BE
   STRONGEST. EVEN LOCATIONS WHICH DO NOT RECEIVE THE HEAVIER
   SNOWFALL WILL LIKELY EXPERIENCE SIGNIFICANTLY REDUCED
   VISIBILITIES DUE TO THE VERY STRONG WINDS.

 * DANGEROUS COLD...WIND CHILLS ARE EXPECTED TO FALL TO BETWEEN 10
   BELOW AND 20 BELOW ZERO TONIGHT INTO SUNDAY MORNING. 

IMPACTS...

 * TRAVEL IS EXPECTED TO BE HAZARDOUS DUE TO FALLING SNOW... AND 
   BLOWING AND DRIFTING SNOW...WITH WHITEOUT CONDITIONS 
   POSSIBLE. 

 * STRONG WINDS GUSTING UP TO 45 MPH SATURDAY MAY RESULT IN SOME 
   POWER OUTAGES. 

 * BITTERLY COLD WIND CHILLS MAY LEAD TO FROST BITE IN 30 MINUTES
   OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW MEANS SEVERE
WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT
AMOUNTS OF SNOW AND VERY STRONG WINDS ARE FORECAST THAT WILL MAKE
TRAVEL DIFFICULT OR IMPOSSIBLE AT TIMES.

&&

$$

INZ007-009-MIZ080-081-OHZ001-002-004-005-141715-
/O.NEW.KIWX.WC.Y.0003.150215T0200Z-150215T1600Z/
/O.EXT.KIWX.WW.Y.0011.150214T1300Z-150215T0000Z/
STEUBEN-DE KALB-BRANCH-HILLSDALE-WILLIAMS-FULTON OH-DEFIANCE-
HENRY-
INCLUDING THE CITIES OF...ANGOLA...FREMONT...AUBURN...GARRETT...
COLDWATER...BRONSON...HILLSDALE...LITCHFIELD...JONESVILLE...
BRYAN...MONTPELIER...WAUSEON...ARCHBOLD...FAYETTE...SWANTON...
DEFIANCE...SHERWOOD...HICKSVILLE...NAPOLEON...DESHLER...
LIBERTY CENTER
407 AM EST SAT FEB 14 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING
TO 7 PM EST THIS EVENING...
...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 11 AM
EST SUNDAY...

HAZARDOUS WEATHER...

 * TIMING...AN ARCTIC FRONT WILL BRING A QUICK BURST OF SNOW AND
   REDUCED VISIBILITIES TO THE AREA BY MID TO LATE MORNING.
   SCATTERED LAKE EFFECT SNOW SHOWERS ARE EXPECTED THIS AFTERNOON. 

 * SNOW ACCUMULATIONS...A HALF INCH TO TWO INCHES...WITH MOST OF
   THE SNOW ACCUMULATION FROM MID MORNING THROUGH EARLY THIS
   AFTERNOON. LOCALLY HIGHER SNOW AMOUNTS ARE POSSIBLE...
   PARTICULARLY ACROSS SOUTH CENTRAL LOWER MICHIGAN.

 * BLOWING AND DRIFTING SNOW...WHILE ONLY LIGHT SNOW AMOUNTS ARE 
   FORECAST...NORTHWEST WINDS GUSTING AS HIGH AS 35 TO 40 MPH 
   WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING SNOW AND 
   REDUCED VISIBILITIES. 

 * BITTER COLD: WIND CHILLS WILL DROP INTO THE 15 BELOW TO 25
   BELOW RANGE TONIGHT INTO SUNDAY MORNING.

IMPACTS...

 * VISIBILITY WILL BE SIGNIFICANTLY REDUCED DUE TO THE 
   COMBINATION OF SNOW AND BLOWING SNOW. 

 * BLOWING AND DRIFTING SNOW WILL RESULT IN HAZARDOUS TRAVEL 
   CONDITIONS. 

 * BITTERLY COLD WIND CHILLS MAY LEAD TO FROST BITE IN 30 MINUTES
   OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN
AREAS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

INZ006-008-MIZ079-141715-
/O.NEW.KIWX.WC.Y.0003.150215T0200Z-150215T1600Z/
/O.EXT.KIWX.WW.Y.0011.150214T1300Z-150215T0000Z/
LAGRANGE-NOBLE-ST. JOSEPH MI-
INCLUDING THE CITIES OF...LAGRANGE...TOPEKA...SHIPSHEWANA...
KENDALLVILLE...LIGONIER...ALBION...STURGIS...THREE RIVERS...
WHITE PIGEON...MENDON
407 AM EST SAT FEB 14 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING
TO 7 PM EST THIS EVENING...
...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 11 AM
EST SUNDAY...

HAZARDOUS WEATHER...

 * TIMING...AN ARCTIC FRONT WILL BRING A QUICK BURST OF SNOW AND
   REDUCED VISIBILITIES TO THE AREA BY MID TO LATE MORNING.
   SCATTERED LAKE EFFECT SNOW SHOWERS ARE EXPECTED THIS AFTERNOON. 

 * SNOW ACCUMULATIONS...1 TO 3 INCHES...WITH MOST OF THE SNOW
   ACCUMULATION FROM MID MORNING THROUGH EARLY THIS AFTERNOON.
 
 * BLOWING AND DRIFTING SNOW...WHILE ONLY LIGHT SNOW AMOUNTS ARE 
   FORECAST...NORTHWEST WINDS GUSTING AS HIGH AS 35 TO 40 MPH 
   WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING SNOW AND 
   REDUCED VISIBILITIES. 

 * BITTER COLD: WIND CHILLS WILL DROP INTO THE 15 BELOW TO 25
   BELOW RANGE TONIGHT INTO SUNDAY MORNING.

IMPACTS...

 * VISIBILITY WILL BE SIGNIFICANTLY REDUCED DUE TO THE 
   COMBINATION OF SNOW AND BLOWING SNOW. 

 * BLOWING AND DRIFTING SNOW WILL RESULT IN HAZARDOUS TRAVEL 
   CONDITIONS. 

 * BITTERLY COLD WIND CHILLS MAY LEAD TO FROST BITE IN 30 MINUTES
   OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN
AREAS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

INZ017-018-020-022>027-032>034-OHZ024-025-141715-
/O.NEW.KIWX.WC.Y.0003.150215T0200Z-150215T1600Z/
WHITLEY-ALLEN IN-WHITE-CASS IN-MIAMI-WABASH-HUNTINGTON-WELLS-
ADAMS-GRANT-BLACKFORD-JAY-VAN WERT-ALLEN OH-
INCLUDING THE CITIES OF...COLUMBIA CITY...TRI-LAKES...
SOUTH WHITLEY...FORT WAYNE...NEW HAVEN...MONTICELLO...BROOKSTON...
MONON...LOGANSPORT...ROYAL CENTER...PERU...GRISSOM AFB...MEXICO...
WABASH...NORTH MANCHESTER...HUNTINGTON...ROANOKE...BLUFFTON...
OSSIAN...DECATUR...BERNE...MARION...GAS CITY...UPLAND...
HARTFORD CITY...MONTPELIER...PORTLAND...DUNKIRK...VAN WERT...
DELPHOS...OHIO CITY...LIMA...SPENCERVILLE
407 AM EST SAT FEB 14 2015

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 11 AM
EST SUNDAY...

HAZARDOUS WEATHER...

 * DANGEROUS WIND CHILLS VALUES BETWEEN 15 BELOW ZERO AND 25 BELOW
   ZERO ARE EXPECTED TONIGHT INTO SUNDAY MORNING.

IMPACTS...

* BITTERLY COLD WIND CHILLS MAY LEAD TO FROST BITE IN 30 MINUTES
  OR LESS.

* PROLONGED EXPOSURE TO THIS EXTREME COLD CAN LEAD TO HYPOTHERMIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

OHZ015-016-141715-
/O.NEW.KIWX.WC.Y.0003.150215T0200Z-150215T1600Z/
PAULDING-PUTNAM-
INCLUDING THE CITIES OF...PAULDING...ANTWERP...MELROSE...OTTAWA...
PANDORA...KALIDA...FORT JENNINGS
407 AM EST SAT FEB 14 2015

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 11 AM
EST SUNDAY...

HAZARDOUS WEATHER...

 * DANGEROUS WIND CHILLS VALUES BETWEEN 10 BELOW ZERO AND 25 BELOW
   ZERO ARE EXPECTED TONIGHT INTO SUNDAY MORNING.

IMPACTS...

* BITTERLY COLD WIND CHILLS MAY LEAD TO FROST BITE IN 30 MINUTES
  OR LESS.

* PROLONGED EXPOSURE TO THIS EXTREME COLD CAN LEAD TO HYPOTHERMIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

INZ005-012>016-141715-
/O.EXT.KIWX.WW.Y.0011.150214T1300Z-150215T1200Z/
ELKHART-STARKE-PULASKI-MARSHALL-FULTON IN-KOSCIUSKO-
INCLUDING THE CITIES OF...ELKHART...GOSHEN...NAPPANEE...KNOX...
NORTH JUDSON...BASS LAKE...WINAMAC...FRANCESVILLE...MEDARYVILLE...
PLYMOUTH...BREMEN...CULVER...ROCHESTER...AKRON...WARSAW...
WINONA LAKE...SYRACUSE...MENTONE
407 AM EST SAT FEB 14 2015 /307 AM CST SAT FEB 14 2015/

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 8 AM EST /7 AM CST/
THIS MORNING TO 7 AM EST /6 AM CST/ SUNDAY...

HAZARDOUS WEATHER...

 * TIMING...SNOW IS EXPECTED TO INCREASE IN COVERAGE AND INTENSITY
   BY MID MORNING ALONG AN ARCTIC FRONT...WITH BANDS OF LAKE
   EFFECT SNOW EXPECTED BEHIND THIS FRONT LATER THIS MORNING
   THROUGH EARLY SUNDAY MORNING.

 * SNOW ACCUMULATIONS...GENERALLY RANGING BETWEEN 1 AND 4 INCHES.
   DUE TO THE NATURE OF LAKE EFFECT SNOW...EXACT TOTALS MAY VARY
   SIGNIFICANTLY DEPENDING ON WHERE THE HEAVIER SNOWBANDS SET UP.

 * BLOWING AND DRIFTING SNOW...WHILE ONLY LIGHT TO MODERATE SNOW
   ACCUMULATIONS ARE FORECAST...NORTHWEST WINDS GUSTING AS HIGH AS
   45 MPH WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING SNOW
   AND REDUCED VISIBILITIES.

 * BITTER COLD: WIND CHILLS WILL DROP INTO THE 10 BELOW TO 25
   BELOW TONIGHT INTO SUNDAY MORNING.

IMPACTS...

 * VISIBILITY WILL BE SIGNIFICANTLY REDUCED DUE TO THE 
   COMBINATION OF SNOW AND BLOWING SNOW. 

 * BLOWING AND DRIFTING SNOW WILL RESULT IN HAZARDOUS TRAVEL 
   CONDITIONS. 
  
 * BITTERLY COLD WIND CHILLS MAY LEAD TO FROST BITE IN 30 MINUTES
   OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN
AREAS.

&&

$$

What forecasters said that day

The local office's own words before this winter storm 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 winter storm warning went out at Feb 13, 3:11 PM EST, 38 minutes earlier.

Area forecast discussion, Feb 13, 3:11 PM EST, 38 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
311 PM EST FRI FEB 13 2015

.SYNOPSIS...
ISSUED AT 304 PM EST FRI FEB 13 2015

AN ARCTIC FRONT WILL DROP INTO THE AREA ON SATURDAY BRINGING SNOW
ALONG WITH VERY WINDY CONDITIONS THAT WILL LEAD TO BLOWING AND
DRIFTING SNOW AND HAZARDOUS CONDITIONS. LAKE EFFECT SNOW SHOWERS
CAN ALSO BE EXPECTED BEHIND THIS ARCTIC FRONT SATURDAY INTO
SATURDAY NIGHT. DANGEROUS WIND CHILLS ARE THEN EXPECTED TO BUILD
INTO THE AREA LATE SATURDAY AFTERNOON THROUGH SUNDAY
MORNING...DROPPING INTO THE 15 BELOW TO 25 BELOW RANGE.
TEMPERATURES WILL BE NEARLY STEADY TONIGHT...AND THEN FALL INTO
THE SINGLE DIGITS ABOVE ZERO TOWARD SATURDAY EVENING.

&&

.SHORT TERM...(THIS EVENING THROUGH SATURDAY)
ISSUED AT 304 PM EST FRI FEB 13 2015

MAIN FORECAST CONCERNS WILL CENTER ON ARCTIC FRONT AND ASSOCIATED
SNOW/LAKE EFFECT SNOW/AND BLOWING SNOW CONCERNS FROM EARLY SATURDAY
MORNING THROUGH LATE SUNDAY NIGHT. A WINTER STORM WARNING WILL
REPLACE THE WINTER STORM WATCH FOR BERRIEN/CASS MICHIGAN AND LA
PORE/ST.JOSEPH INDIANA...AND A WINTER WEATHER ADVISORY WILL BE
ISSUED FOR MUCH OF THE NORTHWEST HALF OF THE FORECAST AREA OUTSIDE
OF THE WINTER STORM WARNING.

WESTERLY LOW/MID LEVEL WAA REGIME WILL CONTINUE EARLY THIS EVENING
WITH SHARP LOW LEVEL THETAE GRADIENT ADVECTING INTO THE FORECAST
AREA CLOSER TO 00Z. LIGHT SNOW SHOWERS SHOULD CONTINUE TO OVERSPREAD
SOUTHERN LOWER MICHIGAN/NORTHERN INDIANA THROUGH EARLY EVENING WITH
LITTLE OR NO ACCUMULATION EXPECTED. OTHERWISE ATTENTION FOR THE
REMAINDER OF THE NIGHT WILL SHIFT TO THE TIGHTENING LOW LEVEL
BAROCLINIC ZONE ASSOCIATED WITH A POTENT AND DEEP UPPER PV ANOMALY
DROPPING INTO THE GREAT LAKES REGION BY SATURDAY MORNING. FRONTALLY
ENHANCED SNOW AND STRONGER DPVA JUST AFTER DAYBREAK SHOULD BEGIN TO
ENHANCE SNOWFALL ACROSS NORTHERN HALF OF THE AREA. SOME CONCERN
GIVEN INSTABILITY ASSOCIATED WITH ARCTIC FRONT AND A ZONE OF
ENHANCED FRONTOGENESIS FORCING (PARTICULARLY ACROSS THE
NORTH/NORTHEAST)...THAT NARROW BANDS OF ENHANCED SNOW MAY ACCOMPANY
THE FRONT...ALTHOUGH QUITE PROGRESSIVE THROUGH THE AREA. STRONG
UPPER LEVEL SUPPORT IS ALSO EXPECTED AS CWA BECOMES LOCATED IN
FAVORABLE LEFT EXIT REGION OF A 140 KNOT JET STREAK DIGGING THROUGH
THE BASE OF THE UPPER TROUGH.

AFTER SHOT OF SNOW WITH THE ARCTIC FRONT SATURDAY
MORNING...DEEPENING LAKE INDUCED INSTABILITY AND NORTHWEST
TRAJECTORIES SHOULD FAVOR RAPID TRANSITION TO MULTIBAND LAKE EFFECT
SNOW SETUP...WITH SOME PERIODS OF MODERATE TO HEAVY SNOW GIVEN
PERIOD OF SYNOPTIC ENHANCEMENT AND MAGNITUDE OF INSTABILITY. AS WAS
THE CASE YESTERDAY...THESE BANDS WILL LIKELY HAVE SIGNIFICANT INLAND
PENETRATION. THE PROGRESSIVE NATURE OF A BROAD SOUTH CENTRAL
CANADIAN LOW LEVEL ANTICYCLONE SHOULD ALLOW FOR VEERING WIND
PROFILES DURING THE LATE AFTERNOON/EARLY EVENING HOURS THAT SHOULD
ALLOW A MORE DOMINANT SINGLE BAND TO DEVELOP AND SHIFT INTO EXTREME
SOUTHWEST LOWER MICHIGAN AND NORTHWEST INDIANA LATER SATURDAY NIGHT.
AS PREVIOUS DISCUSSION MENTIONED...INVERSION HEIGHTS WILL BEGIN TO
LOWER AS MORE FAVORABLE NORTHERLY TRAJECTORIES DEVELOP SATURDAY
NIGHT...BUT A GOOD LAKE SUPERIOR CONNECTION SHOULD EXIST ONCE AGAIN
WITH STRONG LAKE AGGREGATE TROUGHING ANTICIPATED. GIVEN ALL THE
ABOVE FACTORS FEEL THAT PREVIOUS 3 TO 6 INCH ACCUMULATIONS FOR THE
WINTER STORM WATCH COUNTIES ARE REASONABLE. THE OTHER BIG CONCERN
WILL BE THE MAGNITUDE OF THE POST FRONTAL WINDS. RAPID DEEPENING OF
THE BOUNDARY LAYER AND PRESSURE RISES BUILDING INTO THE AREA WILL
SUPPORT NORTHWEST GUSTS TO 30 TO 40 MPH BEHIND THE FRONT...WITH
HIGHER END GUSTS TO 40 TO 45 MPH EXPECTED NEAR THE LAKESHORE AREAS.
WHILE LOW TO MEDIUM CONFIDENCE STILL EXISTS WITH EXACT PLACEMENT OF
HEAVIER LAKE EFFECT SNOW BANDS...CONFIDENCE IS MUCH HIGHER OF
SIGNIFICANT IMPACTS DUE TO THE COMBINATION OF SNOW AND BLOWING SNOW
AND NEAR WHITEOUT CONDITIONS AT TIMES. THUS...WILL REPLACE THE
WINTER STORM WATCH WITH A WINTER STORM WARNING. HAVE OPTED TO PAD
THE WINTER STORM WARNING WITH A WINTER WEATHER ADVISORY FOR
APPROXIMATELY NORTHWEST HALF OF THE AREA TO CAPTURE SNOW/BLOWING
SNOW WITH INITIAL ARCTIC FRONT PASSAGE SATURDAY MORNING...FOLLOWED
BY INLAND PENETRATION OF LAKE EFFECT BANDS ACROSS THE WEST LATER
SATURDAY. FAR NORTHEAST PORTIONS OF THE AREA WHICH WILL BE UNDER THE
ADVISORY MAY ONLY RECEIVE AN INCH OR TWO OF SNOW AS ARCTIC FRONT
QUICKLY PUSHES THROUGH...BUT BLOWING AND DRIFTING ISSUES MAY PERSIST
INTO THE AFTERNOON. DID CONSIDER EXTENDING THIS ADVISORY ACROSS THE
ENTIRE FORECAST AREA BUT WITH STRONGEST FGEN FORCING ANTICIPATED
ACROSS THE NORTH...AND UNCERTAINTIES IN SNOW AMOUNTS...WILL DEFER
ANY ADDITIONAL EXPANSION FOR NOW.

LAKE EFFECT BAND SHOULD BEGIN TO SHIFT OUT OF IWX FORECAST AREA
TOWARD 12Z SUNDAY...AND MAIN CONCERN FOR SATURDAY NIGHT/SUNDAY
MORNING WILL BE WIND CHILLS. AREAS OUTSIDE OF LAKE EFFECT CLOUDS
WILL SEE WIND CHILLS DROP TO 10 BELOW TO 20 BELOW BY EVENING...WITH
15 TO 25 BELOW WIND CHILLS EXPANDING ACROSS THE REMAINDER OF THE
AREA OVERNIGHT AS MAIN LAKE PLUME SHIFTS WESTWARD. AT THIS POINT
FEEL IT WOULD BE LESS CONFUSING TO ALSO DEFER WIND CHILL HEADLINES
AT THESE IMPACTS WOULD NOT OCCUR UNTIL LATE SECOND PERIOD.

&&

.LONG TERM...(SATURDAY NIGHT THROUGH FRIDAY)
ISSUED AT 304 PM EST FRI FEB 13 2015

THIS LONG TERM PERIOD CAN BE CHARACTERIZED AS QUIET BUT COLD. LAKE
EFFECT SNOW BAND WILL SHIFT WEST OF OUR CWA BY SUNDAY MORNING AS LOW
LEVEL WINDS GRADUALLY VEER. GRADIENT ALSO RELAXES AS HIGH
PRESSURE...SUPPORTED BY AVA FROM DECENT SHORTWAVE MIDLEVEL
RIDGE...SLIDES OVER THE AREA. MAIN STORY WILL BE THE VERY COLD
CONDITIONS. 925MB TEMPS NEAR -20C WILL KEEP DAYTIME HIGHS AT OR
BELOW 10F. LATEST RAW AND STATISTICAL GUIDANCE CAME IN A TOUCH LOWER
AND HAVE TRENDED THE FORECASTED HIGHS IN THAT DIRECTION BUT AM A BIT
CONCERNED MOSTLY SUNNY CONDITIONS AWAY FROM THE LAKE COULD TACK ON
AN EXTRA DEGREE OR TWO ABOVE GUIDANCE...AS HAS HAPPENED SEVERAL
TIMES RECENTLY. STILL GOING TO BE BITTERLY COLD THOUGH WITH WIND
CHILL VALUES LIKELY STAYING BELOW ZERO. SUNDAY NIGHT LOWS MAY NOT BE
QUITE AS COLD GIVEN SOME WEAK WAA/AIRMASS MODIFICATION BUT STILL
EXPECT VALUES NEAR ZERO AND WIND CHILLS IN THE -5 TO -15F RANGE.
STEADY MODERATION THEN EXPECTED THROUGH TUESDAY BUT ANOTHER COLD
FRONT WILL USHER IN ANOTHER SHOT OF ARCTIC AIR FOR THE MIDWEEK
PERIOD. TEMPS REMAIN BELOW NORMAL THROUGH AT LEAST THE END OF THE
WEEK WITH PERSISTENT RIDGING OVER THE WEST COAST MAINTAINING N/NW
FLOW DOWNSTREAM.

THIS PATTERN WILL ALSO MAINTAIN PREDOMINATELY DRY CONDITIONS
(OUTSIDE OF LAKE EFFECT). NO GOOD CHANCES FOR SYNOPTIC SNOW THROUGH
NEXT WEEK WITH MAIN STORM TRACK AND MOISTURE REMAINING LOCKED WELL
TO OUR SOUTH. BEST CHANCE FOR MEANINGFUL LAKE EFFECT SNOW LOOKS TO
BE ON WEDNESDAY WITH PASSAGE OF SHORTWAVE TROUGH. MAINTAINED BROAD
LOW CHANCE POPS IN OUR NORTHERN COUNTIES FOR MUCH OF THE OTHER DAYS
BUT AMOUNTS APPEAR LIGHT GIVEN LACK OF SYNOPTIC SUPPORT AND DRY NW
FLOW.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SATURDAY AFTERNOON)
ISSUED AT 122 PM EST FRI FEB 13 2015

SOUTHWEST WINDS GUSTING TO 15 TO 20 KNOTS CAN BE EXPECTED THIS
AFTERNOON AS LOW LEVEL ANTICYCLONE CONTINUES TO SHIFT TO THE EAST.
STRONG WARM ADVECTION IN THIS SOUTHWEST FLOW WILL PROVIDE SOME
INCREASE IN SNOW SHOWER CHANCES TOWARD EVENING...BUT WILL CONTINUE
TO FOCUS SNOW SHOWERS AT KSBN AFTER MIDNIGHT TONIGHT AS LOW LEVEL
WINDS VEER MORE WESTERLY INTRODUCING SOME LAKE CONTRIBUTION.
ARCTIC BOUNDARY TO DROP ACROSS THE AREA SATURDAY MORNING WITH A
QUICK BURST OF SNOW ALONG THE FRONT FOLLOWED BY A TRANSITION TO
LAKE EFFECT SNOW SHOWERS UNDER STRONG COLD ADVECTION. VERY GUSTY
WINDS TO DEVELOP BEHIND THIS ARCTIC FRONT...WITH GUSTS INTO THE 35
KNOT RANGE LATE SATURDAY MORNING/AFTERNOON RESULTING IN BLOWING
SNOW AND PERIODS OF LIFR VSBYS.

&&

.IWX WATCHES/WARNINGS/ADVISORIES...
IN...WINTER WEATHER ADVISORY FROM 7 AM TO 7 PM EST SATURDAY FOR
     INZ006>009.

     WINTER STORM WARNING FROM 4 AM EST /3 AM CST/ SATURDAY TO 7 AM
     EST /6 AM CST/ SUNDAY FOR INZ003-004.

     WINTER WEATHER ADVISORY FROM 7 AM EST /6 AM CST/ SATURDAY TO 7
     AM EST /6 AM CST/ SUNDAY FOR INZ005-012>016.

MI...WINTER WEATHER ADVISORY FROM 7 AM TO 7 PM EST SATURDAY FOR
     MIZ079>081.

     WINTER STORM WARNING FROM 4 AM SATURDAY TO 7 AM EST SUNDAY FOR
     MIZ077-078.

OH...WINTER WEATHER ADVISORY FROM 7 AM TO 7 PM EST SATURDAY FOR
     OHZ001-002-004-005.

LM...NONE.
&&

SYNOPSIS...MARSILI
SHORT TERM...MARSILI
LONG TERM...AGD
AVIATION...MARSILI

VISIT US AT WWW.WEATHER.GOV/IWX (ALL LOWER CASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/NWSNORTHERNINDIANA
WWW.TWITTER.COM/NWSIWX
WWW.YOUTUBE.COM/NWSNORTHERNINDIANA
Hazardous weather outlook, Feb 13, 4:08 AM EST, 11 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTHERN INDIANA
408 AM EST FRI FEB 13 2015

INZ003>009-012>018-020-022>027-032>034-LMZ043-046-MIZ077>081-OHZ001-
002-004-005-015-016-024-025-140915-
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-
NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI-
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
408 AM EST FRI FEB 13 2015 /308 AM CST FRI FEB 13 2015/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST OHIO...
NORTHERN INDIANA...SOUTHWEST LOWER MICHIGAN AND THE NEARSHORE WATERS
OF SOUTHEASTERN LAKE MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

SNOW SHOWERS ALONG AN ARCTIC COLD FRONT ARE EXPECTED TO SPREAD
INTO THE AREA FROM THE NORTH LATE TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SIGNIFICANT SNOW ACCUMULATION WITH BLOWING AND DRIFTING SNOW IS
EXPECTED OVER NORTHWEST INDIANA AND SOUTHWEST MICHIGAN SATURDAY
AND SATURDAY NIGHT. SNOW ACCUMULATIONS OVER THE REST OF THE AREA
WILL BE LIGHTER SATURDAY AND SATURDAY NIGHT... BUT SOME AREAS OF
BLOWING AND DRIFTING SNOW AND HAZARDOUS DRIVING CONDITIONS ARE
POSSIBLE.

WIND CHILLS OF -10 TO -30 ARE EXPECTED SATURDAY NIGHT AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

&&

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

In the hours before

Local storm report, Feb 13, 10:27 AM EST, 5 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1027 AM EST FRI FEB 13 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0857 AM     SNOW             1 ESE HESSTON           41.75N 86.64W
02/13/2015  M8.0 INCH        LA PORTE           IN   COCORAHS

            COCORAHS STATION (KC9YKU)NEW CARLISLE 7.3
            WNW /IN-LP-54/ 12 HOUR TOTAL.

0842 AM     SNOW             1 WSW FAIR PLAIN        42.08N 86.48W
02/13/2015  M3.8 INCH        BERRIEN            MI   COCORAHS

            COCORAHS STATION ST. JOSEPH 1.5 SSE
            /MI-BN-13/12 HOUR TOTAL.

0849 AM     SNOW             3 ESE SAN PIERRE        41.18N 86.83W
02/13/2015  M1.0 INCH        STARKE             IN   COCORAHS

            COCORAHS STATION (KB9GPW)NORTH JUDSON 3.9 SW
            /IN-ST-10/12 HOUR TOTAL.

&&

NWS NORTHERN INDIANA
IRIS SYSTEM
Local storm report, Feb 13, 10:47 AM EST, 5 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1047 AM EST FRI FEB 13 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0512 PM     HEAVY SNOW       3 E ROLLING PRARIE      41.67N 86.56W
02/12/2015  E7.0 INCH        LA PORTE           IN   PUBLIC

             APPROX. 12 HOUR TOTAL.

1107 PM     SNOW             2 S BENTON HEIGHTS      42.09N 86.41W
02/12/2015  M3.3 INCH        BERRIEN            MI   TRAINED SPOTTER

             APPROX. 12 HOUR TOTAL.

1200 AM     SNOW             1 S ROSELAND            41.70N 86.25W
02/13/2015  M2.8 INCH        ST. JOSEPH         IN   CO-OP OBSERVER

             APPROX 12 HOUR TOTAL.

0100 AM     SNOW             1 WNW LA PORTE          41.61N 86.73W
02/13/2015  M4.0 INCH        LA PORTE           IN   CO-OP OBSERVER

            CO-OP OBSERVER STATION LAPORTE /LAPI3/ SNOW
            DURATION APPROX. 12 HOURS.

0442 AM     SNOW             2 N TWIN LAKES          41.33N 86.36W
02/13/2015  M2.1 INCH        MARSHALL           IN   COCORAHS

            COCORAHS STATION PLYMOUTH 2.5 WSW /IN-ML-6/
            SNOW DURATION APPROX. 12 HOURS.

0500 AM     SNOW             1 WSW PLYMOUTH          41.34N 86.34W
02/13/2015  M1.5 INCH        MARSHALL           IN   CO-OP OBSERVER

            CO-OP OBSERVER STATION PLYMOUTH /PYMI3/ SNOW
            DURATION APPROX. 12 HOURS.

0615 AM     SNOW             PERU                    40.75N 86.07W
02/13/2015  M1.0 INCH        MIAMI              IN   CO-OP OBSERVER

             APPROX. 12 HOUR TOTAL.

0857 AM     SNOW             1 ESE HESSTON           41.75N 86.64W
02/13/2015  M8.0 INCH        LA PORTE           IN   COCORAHS

            COCORAHS STATION (KC9YKU)NEW CARLISLE 7.3
            WNW /IN-LP-54/ APPROX. 12 HOUR TOTAL.

0628 AM     SNOW             2 ENE GULIVOIRE PARK    41.62N 86.22W
02/13/2015  M1.0 INCH        ST. JOSEPH         IN   COCORAHS

            COCORAHS STATION SOUTH BEND 4.5 SE
            /IN-SJ-58/ SNOW DURATION APPROX. 12 HOURS.

0635 AM     SNOW             2 SSE STEVENSVILLE      41.99N 86.51W
02/13/2015  M4.2 INCH        BERRIEN            MI   COCORAHS

            COCORAHS STATION STEVENSVILLE 1.7 SSE
            /MI-BN-2/ SNOW DURATION APPROX 12 HOURS.

0654 AM     SNOW             3 E CHAIN-O-LAKES       41.71N 86.32W
02/13/2015  M1.6 INCH        ST. JOSEPH         IN   ASOS

            ASOS STATION SOUTH BEND REGIONAL AIRPORT
            /SBN/ SNOW DURATION APPROX. 12 HOURS.

0654 AM     SNOW             2 E NINE MILE           40.98N 85.19W
02/13/2015  M1.3 INCH        ALLEN              IN   ASOS

            ASOS STATION FORT WAYNE INTERNATIONAL
            AIRPORT /FWA/ SNOW DURATION APPROX. 12 HOURS.

0714 AM     SNOW             2 ENE GEORGETOWN        41.74N 86.19W
02/13/2015  M1.7 INCH        ST. JOSEPH         IN   COCORAHS

            COCORAHS STATION GRANGER 2.9 W /IN-SJ-16/
            SNOW DURATION APPROX. 12 HOURS.

0730 AM     SNOW             3 WSW SPRINGVILLE       41.67N 86.78W
02/13/2015  M1.0 INCH        LA PORTE           IN   COCORAHS

            COCORAHS STATION (N9ROM)TRAIL CREEK 4.5 ESE
            /IN-LP-50/ SNOW DURATION APPROX 12 HOURS.

0830 AM     SNOW             3 W NILES               41.84N 86.30W
02/13/2015  M1.3 INCH        BERRIEN            MI   COCORAHS

            COCORAHS STATION NILES 2.7 W /MI-BN-4/ SNOW
            DURATION APPROX. 12 HOURS.

0842 AM     SNOW             1 WSW FAIR PLAIN        42.08N 86.48W
02/13/2015  M3.8 INCH        BERRIEN            MI   COCORAHS

            COCORAHS STATION ST. JOSEPH 1.5 SSE
            /MI-BN-13/ SNOW DURATION APPROX. 12 HOURS.

0849 AM     SNOW             3 ESE SAN PIERRE        41.18N 86.83W
02/13/2015  M1.0 INCH        STARKE             IN   COCORAHS

            COCORAHS STATION (KB9GPW)NORTH JUDSON 3.9 SW
            /IN-ST-10/ SNOW DURATION APPROX. 12 HOURS.

1145 AM     SNOW             1 ESE BUCHANAN          41.82N 86.34W
02/12/2015  M2.4 INCH        BERRIEN            MI   COCORAHS

            COCORAHS STATION BUCHANAN 1.4 ESE /MI-BN-3/
            SNOW DURATION APPROX. 12 HOURS.

0100 PM     SNOW             1 S ROSELAND            41.70N 86.25W
02/12/2015  M3.0 INCH        ST. JOSEPH         IN   CO-OP OBSERVER

            CO-OP OBSERVER STATION SOUTH BEND /SBSI3/
            SNOW DURATION APPROX. 12 HOURS.

&&

NWS NORTHERN INDIANA
IRIS SYSTEM

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 13, 3:52 AM ESTWinter Storm WatchIWXCass12 hr
Feb 13, 3:49 PM ESTWinter Weather AdvisoryIWXBranch, Hillsdale, Saint Joseph33 hr

Nearby

Winter Storm Warnings in Michigan, 2015Winter Storm Warnings in Indiana, 2015Every winter storm 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.