Lake-Effect Snow in Indiana, December 12 to 14, 2010

Name: Lake-Effect Snow in Indiana, December 12 to 14, 2010
Start: 2010-12-12T20:00
End: 2010-12-14T08:00
Location: Indiana

December 12 to 14, 2010 · NWS IWX · 4 events in 4 counties and zones

A long duration, intense, lake effect single band set up over northwest Indiana late on December 12th through the morning hours of December 14th. Total snowfall accumulations of 15-30 inches were reported, with blizzard conditions at times given the associated gusty winds and low visibilities.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 4

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS IWX wrote it up.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Dec 12, 4:46 PM EST, 3 hours 14 minutes earlier.

Area forecast discussion, Dec 12, 4:46 PM EST, 3 hours 14 minutes before

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Hazardous weather outlook, Dec 12, 5:03 AM EST, 14 hours 57 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTHERN INDIANA
503 AM EST SUN DEC 12 2010

INZ003>005-014-016-MIZ077-078-131000-
LA PORTE-ST. JOSEPH IN-ELKHART-MARSHALL-KOSCIUSKO-BERRIEN-CASS MI-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...ELKHART...GOSHEN...PLYMOUTH...BREMEN...WARSAW...
WINONA LAKE...NILES...BENTON HARBOR...ST. JOSEPH...BUCHANAN...
DOWAGIAC...CASSOPOLIS
503 AM EST SUN DEC 12 2010 /403 AM CST SUN DEC 12 2010/

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

.DAY ONE...TODAY AND TONIGHT

A WINTER STORM WARNING IS IN EFFECT. FOR FURTHER DETAILS SEE THE
LATEST WINTER WEATHER PRODUCT FOR THIS OFFICE.

SNOW IS EXPECTED TO DEVELOP ACROSS THE AREA THIS MORNING AND
CONTINUE INTO THIS EVENING BEFORE TRANSITIONING TO A BAND OF HEAVY
LAKE EFFECT SNOW. NORTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH
HIGHER GUSTS THIS AFTERNOON AND OVERNIGHT CAUSING BLOWING AND
DRIFTING SNOW. NEAR WHITEOUT CONDITIONS MAY DEVELOP OVER PORTIONS
OF FAR NORTHWEST INDIANA AND EXTREME SOUTHWEST MICHIGAN TONIGHT
WITH DIFFICULT IF NOT IMPOSSIBLE TRAVEL CONDITIONS POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A WINTER STORM WARNING REMAINS IN EFFECT THROUGH MONDAY EVENING.

HEAVY LAKE EFFECT SNOW WILL CONTINUE INTO TUESDAY AFTERNOON WITH
THE SNOW BANDS SHIFTING SLOWLY EASTWARD. CONTINUED STRONG WINDS
WILL CAUSE ADDITIONAL BLOWING AND DRIFTING SNOW WITH LOCALLY
HAZARDOUS TRAVEL CONDITIONS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SNOWFALL REPORTS WOULD BE GREATLY APPRECIATED.

&&

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

INZ012-013-015-131000-
STARKE-PULASKI-FULTON IN-
INCLUDING THE CITIES OF...KNOX...NORTH JUDSON...WINAMAC...
FRANCESVILLE...ROCHESTER
503 AM EST SUN DEC 12 2010 /403 AM CST SUN DEC 12 2010/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN INDIANA.

.DAY ONE...TODAY AND TONIGHT

A WINTER STORM WARNING IS IN EFFECT. FOR FURTHER DETAILS SEE THE
LATEST WINTER WEATHER PRODUCT FOR THIS OFFICE.

SNOW IS EXPECTED TO DEVELOP ACROSS THE AREA THIS MORNING AND
CONTINUE INTO THIS EVENING BEFORE TRANSITIONING TO A BAND OF HEAVY
LAKE EFFECT SNOW. NORTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH
HIGHER GUSTS THIS AFTERNOON AND OVERNIGHT CAUSING BLOWING AND
DRIFTING SNOW. NEAR WHITEOUT CONDITIONS MAY DEVELOP TONIGHT WITH
DIFFICULT IF NOT IMPOSSIBLE TRAVEL CONDITIONS POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A WINTER STORM WARNING REMAINS IN EFFECT THROUGH MONDAY MORNING.

HEAVY LAKE EFFECT SNOW WILL CONTINUE THROUGH MONDAY MORNING.
CONTINUED STRONG WINDS WILL CAUSE ADDITIONAL BLOWING AND DRIFTING
SNOW THROUGH MONDAY AFTERNOON WITH LOCALLY HAZARDOUS TRAVEL
CONDITIONS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SNOWFALL REPORTS WOULD BE GREATLY APPRECIATED.

&&

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

INZ006>009-017-MIZ079>081-OHZ001-131000-
LAGRANGE-STEUBEN-NOBLE-DE KALB-WHITLEY-ST. JOSEPH MI-BRANCH-
HILLSDALE-WILLIAMS-
INCLUDING THE CITIES OF...LAGRANGE...TOPEKA...ANGOLA...
KENDALLVILLE...LIGONIER...AUBURN...GARRETT...COLUMBIA CITY...
SOUTH WHITLEY...STURGIS...THREE RIVERS...COLDWATER...HILLSDALE...
BRYAN...MONTPELIER
503 AM EST SUN DEC 12 2010

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

.DAY ONE...TODAY AND TONIGHT

A WINTER STORM WARNING IS IN EFFECT. FOR FURTHER DETAILS SEE THE
LATEST WINTER WEATHER PRODUCT FOR THIS OFFICE.

SNOW... POSSIBLY MIXED WITH FREEZING DRIZZLE EARLY THIS MORNING... IS
EXPECTED TO DEVELOP ACROSS THE AREA AND CONTINUE INTO THIS EVENING
BEFORE TAPERING TO SNOW SHOWERS OVERNIGHT.

NORTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS THIS
AFTERNOON AND OVERNIGHT CAUSING AREAS OF BLOWING AND DRIFTING
SNOW. LOCALLY HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A WINTER STORM WARNING REMAINS IN EFFECT THROUGH MONDAY MORNING.

SNOW SHOWERS WILL CONTINUE THROUGH MONDAY MORNING. CONTINUED
STRONG WINDS MAY CAUSE ADDITIONAL BLOWING AND DRIFTING SNOW WITH
LOCALLY HAZARDOUS TRAVEL CONDITIONS POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SNOWFALL REPORTS WOULD BE GREATLY APPRECIATED.

&&

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

INZ018-020-022>027-032>034-131000-
ALLEN IN-WHITE-CASS IN-MIAMI-WABASH-HUNTINGTON-WELLS-ADAMS-GRANT-
BLACKFORD-JAY-
INCLUDING THE CITIES OF...FORT WAYNE...MONTICELLO...BROOKSTON...
LOGANSPORT...PERU...WABASH...NORTH MANCHESTER...HUNTINGTON...
BLUFFTON...OSSIAN...DECATUR...BERNE...MARION...HARTFORD CITY...
MONTPELIER...PORTLAND
503 AM EST SUN DEC 12 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN INDIANA.

.DAY ONE...TODAY AND TONIGHT

A WINTER WEATHER ADVISORY IS IN EFFECT. FOR FURTHER DETAILS SEE
THE LATEST WINTER WEATHER PRODUCT FOR THIS OFFICE.

SNOW... POSSIBLY MIXED WITH FREEZING DRIZZLE EARLY THIS
MORNING... IS EXPECTED TO DEVELOP ACROSS THE AREA AND CONTINUE
INTO THIS EVENING BEFORE TAPERING TO SNOW SHOWERS OVERNIGHT.

NORTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS THIS
AFTERNOON AND OVERNIGHT CAUSING AREAS OF BLOWING AND DRIFTING
SNOW. LOCALLY HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A WINTER WEATHER ADVISORY REMAINS IN EFFECT THROUGH MONDAY
MORNING.

SNOW SHOWERS WILL CONTINUE THROUGH MONDAY MORNING. CONTINUED
STRONG WINDS MAY CAUSE ADDITIONAL BLOWING AND DRIFTING SNOW WITH
LOCALLY HAZARDOUS TRAVEL CONDITIONS POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SNOWFALL REPORTS WOULD BE GREATLY APPRECIATED.

&&

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

OHZ002-004-005-015-016-024-025-131000-
FULTON OH-DEFIANCE-HENRY-PAULDING-PUTNAM-VAN WERT-ALLEN OH-
INCLUDING THE CITIES OF...WAUSEON...ARCHBOLD...DEFIANCE...NAPOLEON...
PAULDING...ANTWERP...OTTAWA...PANDORA...VAN WERT...DELPHOS...LIMA
503 AM EST SUN DEC 12 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST OHIO.

.DAY ONE...TODAY AND TONIGHT

A WINTER WEATHER ADVISORY IS IN EFFECT. FOR FURTHER DETAILS SEE
THE LATEST WINTER WEATHER PRODUCT FOR THIS OFFICE.

RAIN WILL CHANGE TO SNOW EARLY THIS MORNING AND CONTINUE INTO
THIS EVENING BEFORE TAPERING TO SNOW SHOWERS OVERNIGHT.

NORTH WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS THIS
AFTERNOON AND OVERNIGHT CAUSING AREAS OF BLOWING AND DRIFTING
SNOW. LOCALLY HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A WINTER WEATHER ADVISORY REMAINS IN EFFECT THROUGH MONDAY
MORNING.

SNOW SHOWERS WILL CONTINUE THROUGH MONDAY MORNING. CONTINUED
STRONG WINDS MAY CAUSE ADDITIONAL BLOWING AND DRIFTING SNOW WITH
LOCALLY HAZARDOUS TRAVEL CONDITIONS POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SNOWFALL REPORTS WOULD BE GREATLY APPRECIATED.

&&

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

LMZ043-046-131000-
NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI-
503 AM EST SUN DEC 12 2010

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

.DAY ONE...TODAY AND TONIGHT

HAZARDOUS SMALL CRAFT CONDITIONS ARE EXPECTED. VERY STRONG NORTH TO
NORTHWEST WINDS ARE EXPECTED THIS AFTERNOON THROUGH TONIGHT WITH
STORM FORCE GUSTS POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

HAZARDOUS SMALL CRAFT CONDITIONS WILL CONTINUE THROUGH MOST OF THIS
PERIOD. VERY STRONG NORTH TO NORTHWEST WINDS WILL CONTINUE ACROSS
THE LAKE THROUGH MONDAY BEFORE DIMINISHING MONDAY NIGHT. STORM FORCE
WIND GUSTS REMAIN POSSIBLE MONDAY MORNING ALONG WITH A THREAT FOR
HEAVY FREEZING SPRAY.

&&

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

Local storm report, Dec 12, 6:08 PM EST, 1 hour 52 minutes before

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Local storm report, Dec 12, 6:09 PM EST, 1 hour 51 minutes before

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Local storm report, Dec 12, 6:14 PM EST, 1 hour 46 minutes before

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Local storm report, Dec 12, 6:38 PM EST, 1 hour 22 minutes before

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Local storm report, Dec 12, 6:42 PM EST, 1 hour 18 minutes before

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Local storm report, Dec 12, 6:44 PM EST, 1 hour 16 minutes before

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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

4 lake-effect snow. Local standard time, as filed.

Lake-Effect Snow, Starke

When: December 12, 8:00 PM EST to December 14, 8:00 AM EST
Where: Starke forecast zone
Reported by: CoCoRaHS
Coordinates: 41.281, -86.648 (the zone’s center; the record gives no point)

An intense lake effect snow band set up and remained nearly stationary over Starke County during the evening hours of December 12th through the early morning hours of December 14th. Snowfall totals for the event generally ranged between 15 and 25 inches across the county. A CoCoRaHs observer reported a storm total snow accumulation of 20.0 inches 6 miles east-southeast of North Judson. Gusty winds, combined with the heavy snow, created blizzard conditions with visibilities below an eighth of a mile at times. Snow drifts between 4 and 7 feet were common. The heavy snow and winds created road and school closures.

Lake-Effect Snow, Pulaski

When: December 12, 8:00 PM EST to December 14, 8:00 AM EST
Where: Pulaski forecast zone
Reported by: CoCoRaHS
Coordinates: 41.042, -86.699 (the zone’s center; the record gives no point)

An intense lake effect snow band set up and remained nearly stationary over Pulaski County during the evening hours of December 12th through the early morning hours of December 14th. Snowfall totals for the event generally ranged between 10 and 20 inches across the county. A CoCoRaHs observer reported a storm total snow accumulation of 20.0 near the Pulaski/Starke County border, 6 miles east-southeast of North Judson. Gusty winds, combined with the heavy snow, created blizzard conditions with visibilities below an eighth of a mile at times. Snow drifts between 3 and 6 feet were common. The heavy snow and winds created road and school closures.

Lake-Effect Snow, White

When: December 12, 8:00 PM EST to December 14, 8:00 AM EST
Where: White forecast zone
Reported by: Trained Spotter
Coordinates: 40.750, -86.865 (the zone’s center; the record gives no point)

An intense lake effect snow band set up and remained nearly stationary over northeast White County during the evening hours of December 12th through the early morning hours of December 14th. A trained reported a storm total snow accumulation of 9.5 inches in Headlee. Gusty winds, combined with the heavy snow, created blizzard conditions with visibilities below an eighth of a mile at times. Snow drifts between 2 and 4 feet were common. The heavy snow and winds created road and school closures.

Lake-Effect Snow, La Porte

When: December 12, 8:00 PM CST to December 14, 8:00 AM CST
Where: La Porte forecast zone
Reported by: Trained Spotter

An intense lake effect snow band set up and remained nearly stationary over La Porte County during the evening hours of December 12th through the early morning hours of December 14th. Snowfall totals for the event generally ranged between 15 and 32 inches across the county. Total snow accumulations reported were 31.5 inches 4 miles east-southeast of Wanatah, 29.0 inches 5 miles east-southeast of Westville, and 25.2 inches at La Porte. Gusty winds, combined with the heavy snow, created blizzard conditions with visibilities below an eighth of a mile at times. Snow drifts between 4 and 7 feet were common. The heavy snow and winds created road and school closures. Many semitrailer trucks were either jack-knifed or just became stuck on U.S. 421 and U.S. 6, while numerous vehicles were abandoned across the county. The weather also created power outages with almost 10,000 NIPSCO customers without power for a time.

What these are

Lake-Effect Snow: Heavy snow in bands downwind of a large lake as cold air crosses warmer water.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Indiana in 2010 Every state in 2010 This day in weather history Warnings in Indiana, December 2010

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 264925, 264927, 264928, 264924.