Indiana, 2015

Heavy Snow in Indiana, February 20 to 21, 2015

February 20 to 21, 2015 · NWS IND · 20 events in 20 counties and zones

A low pressure system brought accumulating snow to central Indiana on February 21st, starting in the early morning hours and continuing into the early afternoon. Snowfall amounts were generally from 3 to 7 inches.

Where it happened

Every event with a place to put it; 20 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
20

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 IND wrote it up.

A low pressure system brought accumulating snow to central Indiana on February 21st, starting in the early morning hours and continuing into the early afternoon. Snowfall amounts were generally from 3 to 7 inches. Across far southern portions of central Indiana, a mix of freezing rain, sleet, and snow fell, with overall lower snow amounts. During the mid to late afternoon, skies became partly cloudy and allowed temperatures to climb into the 30s.

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 Indianapolis, IN wrote its last area forecast discussion before the first event at Feb 20, 10:26 PM EST, 34 minutes earlier.

Area forecast discussion, Feb 20, 10:26 PM EST, 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1026 PM EST FRI FEB 20 2015

.UPDATE...
THE NEAR TERM SECTION HAS BEEN UPDATED BELOW.

&&

.SYNOPSIS...
ISSUED AT 315 PM EST FRI FEB 20 2015

COMPLEX WINTER STORM SET TO IMPACT CENTRAL INDIANA BEGINNING TONIGHT
AND CONTINUING THROUGH SATURDAY. SNOW WILL BE THE MAIN PRECIPITATION
TYPE FOR MUCH OF CENTRAL INDIANA...WITH THE POTENTIAL FOR SLEET...
FREEZING RAIN AND RAIN TO MIX IN FURTHER SOUTH. SIGNIFICANT SNOW AND
ICE ACCUMULATIONS ARE ANTICIPATED. A REINFORCING BLAST OF COLD
ARCTIC AIR WILL BRING A RETURN TO WELL BELOW NORMAL TEMPERATURES FOR
MUCH OF NEXT WEEK.

&&

.NEAR TERM /REST OF TONIGHT THROUGH SATURDAY/...
ISSUED AT 1026 PM EST FRI FEB 20 2015

...COMPLEX WINTER STORM TO IMPACT CENTRAL INDIANA...

PRECIPITATION CONTINUES TO DEVELOP TO THE SOUTH AND WEST OF CENTRAL
INDIANA THIS EVENING AS SYSTEM BEGINS TO GET ORGANIZED.
PRECIPITATION TYPE IS SNOW IN CENTRAL ILLINOIS AND A MIX OF
SNOW/SLEET/FREEZING RAIN IN SOUTHERN ILLINOIS AND SOUTHERN INDIANA.

WITH SYSTEM STILL DEVELOPING AM HESITANT TO MAKE SIGNIFICANT CHANGES
TO THE FORECAST AT THIS POINT. HOWEVER...LATEST SHORT TERM MODEL
DATA AS WELL AS 00Z NAM SHIFT THE HEAVIER AMOUNTS OF SNOW SOUTH.
THIS IS LIKELY DUE IN PART TO FOCUS OF 850 JET BEING TO THE SOUTH OF
THE AREA AND BEST FRONTOGENETICAL FORCING ALSO BEING TO THE SOUTH.

THUS NUDGED AMOUNTS DOWN CENTRAL AND NUDGED UP A BIT IN THE
SOUTHEAST WHERE WARMER AIR ALOFT WILL HAVE A HARDER TIME GETTING IN.
STILL EXPECT WIDESPREAD 3 TO 6 INCHES ACROSS THE ENTIRE AREA WITH
LOCALLY HIGHER AMOUNTS UP TO 8 INCHES WHERE BANDED PRECIPITATION
SETS UP.

TEMPERATURES WILL CONTINUE TO RISE OVERNIGHT...BUT NOT QUITE AS FAST
AS EARLIER FORECAST. ADJUSTED AS NECESSARY.

RELEVANT PORTION OF PREVIOUS DISCUSSION FOLLOWS...

FORECAST CHALLENGES REMAIN SQUARELY FOCUSED ON THE COMPLEX WINTER
STORM SET TO BEGIN IMPACTING THE REGION THIS EVENING AND CONTINUING
THROUGH SATURDAY. THE 12Z MODEL SUITE HAS HELPED CLARIFY THE
DETAILS...BUT THERE REMAIN A FEW CAVEATS THAT COULD STILL CAUSE SOME
ALTERATIONS FROM CURRENT THINKING. THERE STILL REMAIN SOME
DIFFERENCE WITH RESPECT TO PRECIP AMOUNTS AND PRECIP TYPE ACROSS
PARTS OF THE REGION...BUT HAVE STRONG CONFIDENCE IN A HIGH IMPACT
WINTER STORM OVER ALL OF CENTRAL INDIANA.

REMNANTS OF THE DRY ARCTIC AIRMASS CONTINUE TO BE SLOWLY ERODED FROM
THE TOP DOWN BY INTENSIFYING WARM ADVECTION. ONSET OF MORE
SUBSTANTIAL ISENTROPIC LIFT OVER THE NEXT FEW HOURS SHOULD FURTHER
THE MOISTENING OF THE BOUNDARY LAYER. EXPECT A RATHER QUICK
TRANSITION TO PRECIP ONSET DURING THE EVENING FROM SOUTHWEST TO
NORTHEAST AS THE COLUMN FULLY SATURATES AND THE ARRIVAL OF A
STRENGTHENING LOW LEVEL JET INTO THE TENNESSEE AND LOWER OHIO
VALLEYS PUMPS INCREASING AMOUNTS OF MOISTURE INTO THE REGION. IN
ADDITION...A PHASED WEST-EAST DUAL UPPER JET STRUCTURE WILL PROMOTE
UPPER LEVEL DIFFLUENCE LATE TONIGHT AND SATURDAY AND ONLY FURTHER
ENHANCE PRECIP RATES.

THE LOW LEVEL WARM AIR INTRUSION REMAINS A VALID CONCERN OVER THE
SOUTHERN HALF OF THE FORECAST AREA OVERNIGHT AND INTO SATURDAY.
DESPITE BULK OF THE MODELS COMING IN COLDER WITH ABOVE FREEZING AIR
ALOFT BEING CONFINED FURTHER SOUTH...EXPECT WARM ADVECTION WILL
OVERPERFORM AS IT ALWAYS DOES IN THESE SCENARIOS. A BIG REASON FOR
THIS THINKING...SEVERAL OF THE MODELS HAVE REALLY IMPRESSIVE 850MB
JET STRUCTURES PASSING BY TO THE SOUTH LATE TONIGHT AND EARLY
SATURDAY...WITH 70-80KT AT THE CORE. EVEN WITH THE DEEP SNOWPACK TO
OUR SOUTH...DO NOT SEE HOW AT LEAST SOME ABOVE FREEZING AIR IN THE
LOWEST 5KFT MAKES IT NORTH INTO SOUTHERN INDIANA. MODEL SOUNDINGS
AND ANALYSIS OF THE 925-850MB LAYER SUGGESTS THAT MIXING WILL
COMMENCE OVER THE LOWER WABASH VALLEY AFTER MIDNIGHT AND SPREAD
SLOWLY NORTHEAST INTO SATURDAY MORNING. JUST TAKING SOUNDINGS
VERBATIM WOULD SUPPORT MIXED PRECIPITATION BEING HELD SOUTH OF I-70
WITH BIGGEST ICING POTENTIAL OVER FAR SOUTHERN COUNTIES.

WOULD PREFER TO MAINTAIN AT LEAST A CHANCE OF SLEET MIXING IN WITH
THE SNOW ALL THE WAY UP THROUGH THE I-70 CORRIDOR ALONG A
ROCKVILLE-INDY METRO-NEW CASTLE LINE SATURDAY MORNING TO ACCOUNT FOR
ANY POTENTIAL LAST MINUTE WOBBLES TO STORM TRACK AND FOR THE FACT
THAT WARMER BOUNDARY LAYER AIR ALWAYS TENDS TO MAKE IT A BIT FURTHER
NORTH THAN FORECAST. LET ME STRESS THOUGH THAT FEEL SNOW WILL LIKELY
REMAIN THE PREDOMINANT PRECIP TYPE IN THE I-70 CORRIDOR AND POINTS
JUST SOUTH. ITS THE SOUTHERN COUNTIES WHERE THE MIXED PRECIP WILL
MAKE A MUCH BIGGER DENT IN TOTAL SNOW ACCUMS...WITH THE POTENTIAL
FOR RAIN TO MIX IN OR EVEN BECOME THE MAIN PRECIP TYPE FOR A PERIOD
OF TIME SATURDAY. STILL HAVE SOME CONCERNS ABOUT FREEZING RAIN
POTENTIAL OVER SOUTHERN COUNTIES AS WELL WITH GROUND TEMPS LAGGING
NEAR SURFACE LAYER WARMING. THIS COULD PRESENT SOME ADDITIONAL ICING
ISSUES ON ROADWAYS.

ON A MESOSCALE LEVEL...A ROBUST MID LEVEL DEFORMATION AXIS WITH A
MODEST DENDRITIC GROWTH ZONE PLUS THE POTENTIAL FOR SOME CONDITIONAL
INSTABILITY COULD PRODUCE LOCALLY HIGHER RATES/AMOUNTS OF SNOWFALL.
WHERE THESE FEATURES LINE UP WITH THE DEEPER MOISTURE AND LIMITED TO
NO MIXING OF PRECIP WILL BE WHERE HIGHEST SNOWFALLS OCCUR. AS IT
STANDS RIGHT NOW AND FOR THE SNOW DEPRIVED THIS WINTER ACROSS THE
CENTRAL PART OF THE STATE...BELIEVE THIS WILL SET UP NEAR THE I-70
CORRIDOR.

TAKING ALL OF THIS INTO ACCOUNT AND WITH HIGHER QPF VALUES LIKELY
VALID DUE TO THE STRONG LOW LEVEL JET...MADE THE DECISION TO EXPAND
THE WINTER STORM WARNING OVER THE ENTIRE FORECAST AREA. AMOUNTS WILL
RANGE FROM 4 TO 8 INCHES OVER THE NORTHERN HALF OF THE FORECAST
AREA...WITH THE BANDING POTENTIAL MENTIONED ABOVE SUPPORTING 6 TO 8
INCHES. STILL COULD SEE SOME FLUCTUATION TO WHERE THIS SPECIFICALLY
SETS UP BUT AS STATED ABOVE...THINK THOSE IN THE I-70 CORRIDOR
FINALLY CASH IN. FURTHER SOUTH...SLEET...FREEZING RAIN AND RAIN WILL
INCREASINGLY CUT INTO SNOW AMOUNTS. EXPECT SNOW TOTALS RANGING FROM
2-3 INCHES OVER FAR SOUTHERN COUNTIES UP TO 4-6 NORTH OF A
COLUMBUS-BLOOMINGTON LINE. IN ADDITION...EXPECT ICE ACCUMS AS WELL
MAKING FOR AN ABSOLUTE MESS OVER THE REMNANT SNOWPACK. ANY SUBTLE
SHIFT NORTH OR SOUTH IN DEPTH OF WARM AIR INTRUSION WILL LEAD TO
CHANGES IN PRECIP TYPE...ACCUMS AND IMPACTS IN SOUTHERN COUNTIES.
ADJUSTED TIMING ON THE WARNING TO 00Z TONIGHT TO 00Z SAT NIGHT.

TEMPS...HIGHS WILL BE REACHED AT THE END OF THE DAY WITH STEADILY
RISING TEMPS OVERNIGHT AS WARM ADVECTION STRENGTHENS. SURFACE TEMPS
WILL WARM TO NEAR 32F IN SOUTHWEST BY DAYBREAK WITH THE ENTIRE
REGION INTO THE 30S SATURDAY. ONCE AGAIN...MOS LOOKS FAR TOO
GENEROUS WITH WARMING CONSIDERING AMBIENT CONDITIONS AND LEANED MUCH
CLOSER TO COOLER RAW TEMPS. KEPT MAX TEMPS 30-35 FROM NORTHWEST TO
SOUTHEAST.

&&

.SHORT TERM /SATURDAY NIGHT/...
ISSUED AT 315 PM EST FRI FEB 20 2015

PRECIP WILL CHANGE BACK OVER TO SNOW BEFORE ENDING FROM WEST TO EAST
LATE SATURDAY AFTERNOON INTO SATURDAY EVENING. COLDER AIR WILL SPILL
BACK INTO THE AREA SATURDAY NIGHT AS ANOTHER STRONG ARCTIC HIGH
BUILDS SOUTH OUT OF THE NORTHERN PLAINS. DESPITE THE DRIER AIR
EXPANDING INTO CENTRAL INDIANA...MOISTURE WILL LINGER IN THE LOWER
LEVELS. BESIDE CLOUDS BEING SLOW TO CLEAR...COULD EVEN MAKE AN
ARGUMENT FOR A PERIOD OF FREEZING DRIZZLE SATURDAY NIGHT. WILL NOT
INCLUDE IN THE FORECAST AT THIS TIME BUT THIS IS SOMETHING TO
MONITOR.

TEMPS...QUITE A DISCREPANCY BETWEEN THE MAV AND MET SATURDAY NIGHT.
SUSPECT THE MAV IS A BIT TOO AGGRESSIVE IN BRINGING THE COLDER AIR
IN BUT ALSO FEEL THE MET OVERALL IS TOO WARM. GENERALLY TOOK A BLEND
OF AVAILABLE GUIDANCE.

&&

.LONG TERM /SUNDAY THROUGH THURSDAY NIGHT/...
ISSUED AT 315 PM EST FRI FEB 20 2015

ARCTIC HIGH PRESSURE WILL RETURN LATE IN THE WEEKEND WHICH WILL
AGAIN USHER IN WELL BELOW NORMAL TEMPERATURES THROUGH AT LEAST NEXT
WORK WEEK. SIGNIFICANT PRECIPITATION IS NOT EXPECTED NEXT
WEEK...ALTHOUGH A FEW SNOW SHOWERS ARE POSSIBLE TUESDAY NIGHT AS AN
UPPER TROUGH SWINGS NORTH OF THE AREA.

CLOUDS SHOULD HANG AROUND INTO EARLY SUNDAY ALONG WITH SOME
LINGERING WRAP AROUND FLURRIES. THEN THE FORECAST WILL BE COMPLETELY
PRECIP-FREE BY SUNDAY NIGHT. THE VERY COLD HIGH PRESSURE AND
EXPECTED SNOWPACK COULD BRING MORE SUBZERO TEMPERATURES TO THE AREA
SUNDAY AND MONDAY NIGHTS...ESPECIALLY IF SOME BREAKS DEVELOP IN THE
CLOUD COVER. THIS MAY MEAN WIND CHILLS AROUND -15 MONDAY AND TUESDAY
MORNINGS...POSSIBLY EVEN AS LOW AS -20 IN SOME LOCATIONS.

AS FOR THE REST OF THE PERIOD VERY LITTLE IF ANY CHANGES WERE NEEDED
TO THE INITIALIZATION. A WEAK UPPER TROUGH MAY BRING SOME SNOW
SHOWERS TO NORTHERN COUNTIES OF THE CWA TUESDAY NIGHT...OTHERWISE
DRY AND COLD.

&&

.AVIATION /DISCUSSION FOR THE 210300Z KIND TAF UPDATE/...
ISSUED AT 936 PM EST FRI FEB 20 2015

SOME FLURRIES STARTING TO SHOW UP IN THE VICINITY OF THE KIND
TERMINAL...BUT APPEARS THE HEAVIER SNOW RESULTING IN VISIBILITY
RESTRICTIONS IS STILL A COUPLE OF HOURS AWAY.

SHORT TERM MODEL GUIDANCE SUGGESTS THE STRONGEST LIFT MAY BE DELAYED
BY A COUPLE OF HOURS OVER THE PREVIOUS FORECAST...SO PUSHED BACK THE
LIFR RESTRICTIONS A BIT ON THE UPDATE.

PREVIOUS DISCUSSION FOLLOWS.

AREA OF MVFR CEILINGS 020-030 EXPANDING RAPIDLY NORTH ACROSS
SOUTHERN ILLINOIS/SOUTHWEST INDIANA. EXPECTING THESE CEILINGS TO
MOVE OVER THE TAF SITES OVER THE NEXT SEVERAL HOURS.

STRONG LIFT EXPECTED TO DEVELOP TOWARDS/AFTER 210600Z AS MODEL DATA
SUGGEST A 70-80 KT LOW LEVEL JET WILL NOSE INTO KENTUCKY AND
TENNESSEE BY THE EARLY MORNING HOURS OF SATURDAY...RESULTING IN THE
DEVELOPMENT OF WIDESPREAD PRECIPITATION. DESPITE THE STRONG WARM
ADVECTION...MODEL GUIDANCE SUGGESTS AT THIS TIME THAT THE MAJORITY
OF THE PRECIPITATION WILL BE IN THE FORM OF SNOW AT THE TAF
SITES...EXPECT FOR MAYBE SOME SLEET ON THE ONSET AND A TREND TOWARDS
FREEZING RAIN IN THE KBMG AREA TOWARDS DAYBREAK. LIFR VISIBILITY
RESTRICTIONS PROBABLE TOWARDS/AFTER 210600Z IN MODERATE TO HEAVY
SNOW GIVEN THE STRENGTH OF THE LIFT.

SOME CONCERN FOR LOW LEVEL WIND SHEAR LATE TONIGHT...ESPECIALLY IN
THE KBMG AREA AS LOW LEVEL JET APPROACHES. LOOKS FAIRLY MARGINAL
THAT CRITERIA WILL BE MET...SO WILL LEAVE OUT FOR NOW.

SURFACE WINDS GENERALLY 150-170 DEGREES AT 9-12 KTS THIS EVENING
EXPECTED TO GRADUALLY DIMINISH TO AROUND 7 KTS BY DAYBREAK SATURDAY.

&&

.IND WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WARNING FROM 7 PM THIS EVENING TO 7 PM EST SATURDAY
FOR INZ021-028>031-035>049-051>057-060>065-067>072.

&&

SYNOPSIS...RYAN
NEAR TERM...RYAN/50
SHORT TERM...RYAN
LONG TERM....SMF
AVIATION...JAS

VISIT US AT HTTP://WWW.WEATHER.GOV/IND

FOLLOW US ON FACEBOOK...TWITTER AND YOUTUBE AT:
WWW.FACEBOOK.COM/NWSINDIANAPOLIS
WWW.TWITTER.COM/NWSINDIANAPOLIS
WWW.YOUTUBE.COM/NWSINDIANAPOLIS
Hazardous weather outlook, Feb 20, 4:03 PM EST, 6 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
403 PM EST FRI FEB 20 2015

INZ021-028>031-035>042-212115-
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-
403 PM EST FRI FEB 20 2015

...WINTER STORM WARNING TONIGHT AND SATURDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

OUTLOOK: ACCUMULATING SNOW MOVING IN TONIGHT.

HAZARDS: SNOW. SLICK AND SNOW COVERED ROADS WITH HAZARDOUS TRAVEL
CONDITIONS.

TIMING: SNOW WILL DEVELOP THIS EVENING WITH THE HEAVIER SNOW
MOVING IN OVERNIGHT.

DISCUSSION: AN AREA OF LOW PRESSURE WILL BRING ACCUMULATING SNOW
TONIGHT. TRAVEL WILL BECOME HAZARDOUS...ESPECIALLY DURING THE
OVERNIGHT PERIOD.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

OUTLOOK: SNOW WILL CONTINUE ON SATURDAY...DIMINISHING DURING THE
AFTERNOON. TRAVEL WILL BE HAZARDOUS. FRIGID TEMPERATURES WILL
RETURN EARLY NEXT WEEK WITH WIND CHILLS WELL BELOW ZERO.

DISCUSSION: SNOW WILL CONTINUE AS LOW PRESSURE MOVES THROUGH THE
AREA. ARCTIC AIR WILL RETURN FOR EARLY NEXT WEEK AS HIGH PRESSURE
MOVES IN FROM CANADA.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SNOW AMOUNTS TONIGHT AND
SATURDAY.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

INZ043>049-051>057-060>065-067>072-212115-
VERMILLION-PARKE-PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-
OWEN-MORGAN-JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-
BARTHOLOMEW-DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
403 PM EST FRI FEB 20 2015

...WINTER STORM WARNING TONIGHT AND SATURDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

OUTLOOK: ACCUMULATING SNOW MOVING IN TONIGHT. SLEET AND FREEZING
RAIN WILL MIX IN WITH THE SNOW...ESPECIALLY ACROSS FAR SOUTHERN
SECTIONS OF THE AREA.

HAZARDS: SNOW. SOME LIGHT ICING POSSIBLE FAR SOUTH. SLICK ROADS
WITH HAZARDOUS TRAVEL CONDITIONS.

TIMING: SNOW WILL DEVELOP THIS EVENING WITH THE HEAVIER SNOW
MOVING IN OVERNIGHT. MIX PRECIPITATION WILL DEVELOP AFTER
MIDNIGHT.

DISCUSSION: AN AREA OF LOW PRESSURE WILL BRING ACCUMULATING SNOW
TONIGHT ALONG WITH A WINTRY MIX SOUTH. TRAVEL WILL BECOME
HAZARDOUS...ESPECIALLY DURING THE OVERNIGHT PERIOD.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

OUTLOOK: SNOW AND THE WINTRY MIX SOUTH WILL CONTINUE ON
SATURDAY...DIMINISHING DURING THE AFTERNOON. TRAVEL WILL BE
HAZARDOUS. FRIGID TEMPERATURES WILL RETURN EARLY NEXT WEEK WITH
WIND CHILLS WELL BELOW ZERO.

DISCUSSION: SNOW AND A WINTRY MIX WILL CONTINUE AS LOW PRESSURE
MOVES THROUGH THE AREA. ARCTIC AIR WILL RETURN FOR EARLY NEXT WEEK
AS HIGH PRESSURE MOVES IN FROM CANADA.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SNOW...SLEET...OR ICE AMOUNTS
TONIGHT AND SATURDAY.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

The radar

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

Open the radar archive at this moment

Event by event

20 heavy snow. Local standard time, as filed.

Heavy Snow, Vermillion

When
February 20, 11:00 PM EST to February 21, 1:00 PM EST
Where
Vermillion forecast zone
Reported by
Public
Coordinates
39.854, -87.464 (the zone’s center; the record gives no point)

Snowfall of 5.5 inches was observed in Blanford. No other impacts were reported.

Heavy Snow, Vigo

When
February 20, 11:00 PM EST to February 21, 1:00 PM EST
Where
Vigo forecast zone
Reported by
Public
Coordinates
39.431, -87.390 (the zone’s center; the record gives no point)

Snowfall of 5.8 inches was observed in the northeast side of Terre Haute. No other impacts were reported.

Heavy Snow, Parke

When
February 20, 11:00 PM EST to February 21, 1:00 PM EST
Where
Parke forecast zone
Reported by
COOP Observer
Coordinates
39.774, -87.206 (the zone’s center; the record gives no point)

Snowfall of 5.5 to 6 inches was observed in portions of the county. No other impacts were reported.

Heavy Snow, Clay

When
February 20, 11:00 PM EST to February 21, 1:00 PM EST
Where
Clay forecast zone
Reported by
Public
Coordinates
39.393, -87.116 (the zone’s center; the record gives no point)

Snowfall of 6.5 inches was observed in Brazil. No other impacts were reported.

Heavy Snow, Owen

When
February 20, 11:00 PM EST to February 21, 1:00 PM EST
Where
Owen forecast zone
Reported by
Public
Coordinates
39.313, -86.838 (the zone’s center; the record gives no point)

Snowfall of 6 inches was observed in Spencer. No other impacts were reported.

Heavy Snow, Putnam

When
February 20, 11:00 PM EST to February 21, 1:00 PM EST
Where
Putnam forecast zone
Reported by
Public
Coordinates
39.666, -86.845 (the zone’s center; the record gives no point)

Snowfall of 5.5 to 6 inches was observed in Greencastle and Fillmore, respectively. No other impacts were reported.

Heavy Snow, Montgomery

When
February 21, 12:00 AM EST to 1:00 PM EST
Where
Montgomery forecast zone
Reported by
Public
Coordinates
40.040, -86.893 (the zone’s center; the record gives no point)

Snowfall of 5.5 inches was observed in Waveland. No other impacts were reported.

Heavy Snow, Hendricks

When
February 21, 12:00 AM EST to 2:00 PM EST
Where
Hendricks forecast zone
Reported by
NWS Employee
Coordinates
39.770, -86.510 (the zone’s center; the record gives no point)

Snowfall of 5.5 to 7 inches was observed in and around the Avon and Danville areas. No other impacts were reported.

Heavy Snow, Morgan

When
February 21, 12:00 AM EST to 2:00 PM EST
Where
Morgan forecast zone
Reported by
Trained Spotter
Coordinates
39.482, -86.446 (the zone’s center; the record gives no point)

Snowfall of 6 to 6.2 inches was observed in Monrovia and Martinsville, respectively. No other impacts were reported.

Heavy Snow, Monroe

When
February 21, 12:00 AM EST to 2:00 PM EST
Where
Monroe forecast zone
Reported by
Public
Coordinates
39.161, -86.523 (the zone’s center; the record gives no point)

Snowfall of 6 inches was observed near Ellettsville, respectively. No other impacts were reported.

Heavy Snow, Marion

When
February 21, 12:00 AM EST to 2:00 PM EST
Where
Marion forecast zone
Reported by
Public
Coordinates
39.782, -86.138 (the zone’s center; the record gives no point)

Snowfall of 6.2 inches was observed on the southeast side of Indianapolis. No other impacts were reported.

Heavy Snow, Johnson

When
February 21, 12:00 AM EST to 2:00 PM EST
Where
Johnson forecast zone
Reported by
Storm Chaser
Coordinates
39.490, -86.102 (the zone’s center; the record gives no point)

Snowfall of 7 inches was observed in New Whiteland. No other impacts were reported.

Heavy Snow, Brown

When
February 21, 12:00 AM EST to 2:00 PM EST
Where
Brown forecast zone
Reported by
Public
Coordinates
39.196, -86.227 (the zone’s center; the record gives no point)

Snowfall of 6.5 inches was observed in Nashville. No other impacts were reported.

Heavy Snow, Shelby

When
February 21, 12:00 AM EST to 2:00 PM EST
Where
Shelby forecast zone
Reported by
Law Enforcement
Coordinates
39.524, -85.792 (the zone’s center; the record gives no point)

Snowfall of 6 inches was observed in Morristown. No other impacts were reported.

Heavy Snow, Bartholomew

When
February 21, 12:00 AM EST to 2:00 PM EST
Where
Bartholomew forecast zone
Reported by
Public
Coordinates
39.206, -85.898 (the zone’s center; the record gives no point)

Snowfall of 6 inches was observed in Columbus. No other impacts were reported.

Heavy Snow, Hancock

When
February 21, 1:00 AM EST to 2:00 PM EST
Where
Hancock forecast zone
Reported by
Trained Spotter
Coordinates
39.824, -85.773 (the zone’s center; the record gives no point)

Snowfall of 6 inches was observed in the northwest side of McCordsville. No other impacts were reported.

Heavy Snow, Delaware

When
February 21, 1:00 AM EST to 3:00 PM EST
Where
Delaware forecast zone
Reported by
Public
Coordinates
40.228, -85.397 (the zone’s center; the record gives no point)

Snowfall of 5.5 inches was observed in Albany. No other impacts were reported.

Heavy Snow, Henry

When
February 21, 1:00 AM EST to 3:00 PM EST
Where
Henry forecast zone
Reported by
Amateur Radio
Coordinates
39.931, -85.396 (the zone’s center; the record gives no point)

Snowfall of 6.5 inches was observed in New Castle and just northwest of Straughn. No other impacts were reported.

Heavy Snow, Rush

When
February 21, 1:00 AM EST to 3:00 PM EST
Where
Rush forecast zone
Reported by
Storm Chaser
Coordinates
39.620, -85.466 (the zone’s center; the record gives no point)

Snowfall of 6 inches was observed in Rushville. No other impacts were reported.

Heavy Snow, Randolph

When
February 21, 1:00 AM EST to 3:00 PM EST
Where
Randolph forecast zone
Reported by
Public
Coordinates
40.158, -85.011 (the zone’s center; the record gives no point)

Snowfall of 7 inches was observed in Lynn. No other impacts were reported.

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.

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

The same day elsewhere

More

Every storm in Indiana in 2015Every state in 2015This day in weather historyWarnings in Indiana, February 2015

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 2026-09-24. Each event’s entry at NCEI: 564524, 564529, 564534, 564535, 564536, 564539, 564546, 564553, 564555, 564558, 564562, 564563, 564564, 564577, 564589, 564604, 564612, 564616, 564620, 564622.