The infographic above, issued by the northern Indiana National Weather Service office, shows the location of heavy snowfall and single-digit temperatures as of 2:30 p.m. today.

At 4 p.m., the NWS issued an updated Winter Storm Warning and Wind Chill Warning. Below are some highlights. Note the increase in maximum snowfall to 16 inches!:

 * HEAVY SNOW WITH RATES OF 1 TO 2 INCHES PER HOUR WILL CONTINUE
   THROUGH THE EVENING. STORM TOTAL ACCUMULATIONS OF 8 TO 16
   INCHES ARE EXPECTED.

 * NORTHWEST WINDS OF 20 TO 30 MPH ARE EXPECTED BY THIS EVENING.
   WIND GUSTS TO 35 MPH WILL BE POSSIBLE AT TIMES. THIS WILL CAUSE
   SIGNIFICANT BLOWING AND DRIFTING SNOW TONIGHT INTO MONDAY WHICH
   COULD PRODUCE NEAR WHITE OUT BLIZZARD CONDITIONS AT TIMES.

 * TEMPERATURES WILL DROP DRASTICALLY TONIGHT WITH LOWS BETWEEN
   7 BELOW AND 20 BELOW ZERO. DEADLY WIND CHILLS BETWEEN 30
   BELOW AND 45 BELOW ZERO CAN BE EXPECTED TONIGHT THROUGH
   TUESDAY.

As of 5 p.m., the INDOT website indicates that travel conditions on all state, U.S. and Interstate highways in northern Indiana are “difficult,” as indicated by the purple roads on the sample map below.

Governor Mike Pence has directed the Indiana National Guard to stage Highway Assistance Teams in response to the heavy snow and low temperatures forecasted across the state. A total of 24 teams, consisting of 96 individuals, have been deployed across the state to assist in life saving and rescue operations. Each team has four individuals and two vehicles. See the governor’s news release.

Here’s an update on the winter storm as of 1 p.m. Sunday, January 5.

Early this morning, the northern Indiana office of the National Weather Service published the infographic below, which indicates that most of its forecast area (including Fort Wayne and Allen County) was still forecast to receive up to 14 inches of snow:

At 11:50 a.m., the NWS issued an updated Winter Storm Warning and Wind Chill Warning. You can read the complete text here. Here’s the gist of it:

 * HEAVY SNOW WILL CONTINUE THROUGH THE AFTERNOON. SNOWFALL RATES
   OF 1 TO 2 INCHES PER HOUR ARE EXPECTED THROUGH EARLY THIS
   EVENING. TOTAL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED.

 * GUSTY NORTHWEST WINDS OF 10 TO 20 MPH WILL DEVELOP EARLY THIS
   AFTERNOON AND INCREASE T0 BETWEEN 20 AND 30 MPH BY THIS
   EVENING. WIND GUSTS TO 35 MPH WILL BE POSSIBLE AT TIMES. THIS
   WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW TONIGHT INTO
   MONDAY WHICH COULD PRODUCE NEAR WHITE OUT BLIZZARD CONDITIONS
   AT TIMES.

 * TEMPERATURES WILL DROP DRASTICALLY TONIGHT WITH LOWS BETWEEN
   7 BELOW AND 20 BELOW ZERO. DEADLY WIND CHILLS BETWEEN 30
   BELOW AND 45 BELOW ZERO CAN BE EXPECTED TONIGHT THROUGH
   TUESDAY.

You might have wondered why there wasn’t more snow on the ground when you got up this morning. Here’s a tweet from the NWS that explains:

Its been snowing all night in our northwest but slow to develop in east. Heavy snow still on way. Latest forecasts at http://t.co/QFs72S9OfN
— NWS Northern Indiana (@NWSIWX) January 5, 2014

Some counties, including Allen County, have issued advisories that recommend against or restrict travel. Here’s a set of tweets from Allen County government:

Allen County and the Cities of Fort Wayne and New Haven have issued a winter weather travel WATCH ADVISORY effective at 1 p.m. (1/3)
— Allen County INfo (@allencountyinfo) January 5, 2014

A watch means that conditions are threatening to the safety of the public. (2/3)
— Allen County INfo (@allencountyinfo) January 5, 2014

During a travel WATCH ADVISORY, only essential travel, such as to and from work or in emergency situations, is recommended. (3/3)
— Allen County INfo (@allencountyinfo) January 5, 2014

You can see a color-coded map of such advisories for every county in Indiana by going to this page on the website of the Indiana Department of Homeland Security.

For road conditions, there’s a continuously updated map on the website of the Indiana Department of Transportation. Below is a sample from 1 p.m. Blue indicates roads in fair condition and purple indicates “difficult.”

To stay on top of the storm situation, below are some other resources you can use:

• National Weather Service northern Indiana Web page.
• National Weather Service northern Indiana Twitter page (@NWSIWX).
• National Weather Service northern Indiana Facebook page.

See this infographic from the National Weather Service to learn the difference between a winter storm and a blizzard:

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
357 PM EST SAT JAN 4 2014

...DANGEROUS WINTER STORM WITH HISTORIC COLD AIR AND WIND
CHILLS...

.A SIGNIFICANT WINTER STORM WILL BRING HEAVY SNOW WITH BLOWING
AND DRIFTING SNOW BEGINNING TONIGHT AND CONTINUING INTO SUNDAY
NIGHT. THIS WILL BE FOLLOWED IMMEDIATELY BY EXTREMELY COLD
TEMPERATURES AND DEADLY WIND CHILLS SUNDAY NIGHT THROUGH TUESDAY.

A COLD FRONT WILL MOVE ACROSS THE AREA TONIGHT WITH SNOW
SPREADING FROM NORTHWEST TO SOUTHEAST. ACCUMULATIONS OF 2 TO
4 INCHES ARE EXPECTED TONIGHT NEAR THIS FRONT ACROSS NORTHWEST
INDIANA AND FAR SOUTHWEST LOWER MICHIGAN. LESSER SNOWFALL AMOUNTS
OF 1 TO 2 INCHES ARE EXPECTED ACROSS THE REST OF THE AREA.

A RAPIDLY INTENSIFYING LOW PRESSURE AREA WILL MOVE ALONG THE
FRONT SUNDAY INTO SUNDAY NIGHT BRINGING ADDITIONAL HEAVY SNOW TO
THE REGION. TOTAL SNOWFALL AMOUNTS OF 10 TO 14 INCHES ARE POSSIBLE
BY SUNDAY NIGHT OVER THE ENTIRE AREA...WITH THE HEAVIEST AMOUNTS
ALONG THE LAKESHORE AREAS. IN ADDITION...STRONG NORTHWEST WINDS
WILL DEVELOP SUNDAY WITH WIDESPREAD BLOWING AND DRIFTING SNOW AND
NEAR ZERO VISIBILITY AT TIMES. AS WINDS INCREASE AND COLDER AIR
ARRIVES...WIND CHILLS WILL QUICKLY DROP TO BETWEEN 30 AND 45
DEGREES BELOW ZERO SUNDAY NIGHT AND PERSIST THROUGH TUESDAY.

THIS IS A DANGEROUS AND POTENTIALLY DEADLY WINTER STORM AND
TRAVEL IS STRONGLY DISCOURAGED.. IF YOU MUST TRAVEL...BE PREPARED
FOR SIGNIFICANT TRAVEL ISSUES WITH POSSIBLE ROAD CLOSURES AND
BITTERLY COLD WIND CHILLS. PACK EXTRA BLANKETS...FOOD...WATER...A
SHOVEL AND MAKE SURE YOU HAVE PLENTY OF FUEL. DO NOT ATTEMPT TO
WALK LONG DISTANCES OR SPEND LONG PERIODS OF TIME OUTSIDE.

INZ006>009-015>018-020-022>027-032>034-MIZ080-081-OHZ001-002-004-
005-015-016-024-025-050500-
/O.CON.KIWX.WS.W.0002.140105T0600Z-140106T0600Z/
/O.CON.KIWX.WC.W.0001.140106T0600Z-140108T0100Z/
LAGRANGE-STEUBEN-NOBLE-DE KALB-FULTON IN-KOSCIUSKO-WHITLEY-
ALLEN IN-WHITE-CASS IN-MIAMI-WABASH-HUNTINGTON-WELLS-ADAMS-GRANT-
BLACKFORD-JAY-BRANCH-HILLSDALE-WILLIAMS-FULTON OH-DEFIANCE-HENRY-
PAULDING-PUTNAM-VAN WERT-ALLEN OH-
INCLUDING THE CITIES OF...LAGRANGE...TOPEKA...SHIPSHEWANA...
ANGOLA...FREMONT...KENDALLVILLE...LIGONIER...ALBION...AUBURN...
GARRETT...ROCHESTER...AKRON...WARSAW...WINONA LAKE...SYRACUSE...
MENTONE...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...COLDWATER...
BRONSON...HILLSDALE...LITCHFIELD...JONESVILLE...BRYAN...WAUSEON...
ARCHBOLD...FAYETTE...SWANTON...DEFIANCE...SHERWOOD...HICKSVILLE...
NAPOLEON...DESHLER...LIBERTY CENTER...PAULDING...ANTWERP...
MELROSE...OTTAWA...PANDORA...KALIDA...FORT JENNINGS...VAN WERT...
DELPHOS...OHIO CITY...LIMA...SPENCERVILLE
357 PM EST SAT JAN 4 2014

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO
1 AM EST MONDAY...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 1 AM MONDAY TO 8 PM
EST TUESDAY...

HAZARDOUS WEATHER...

 * LIGHT SNOW IS EXPECTED TO BEGIN LATE THIS EVENING WITH 1 TO
   LOCALLY 2 INCHES POSSIBLE BY MORNING. THE SNOW WILL BECOME
   HEAVY AT TIMES SUNDAY INTO SUNDAY EVENING WITH TOTAL
   ACCUMULATIONS THROUGH SUNDAY EVENING OF 10 TO 14 INCHES. 

 * GUSTY NORTHWEST WINDS OF 10 TO 20 MPH WILL DEVELOP SUNDAY
   AFTERNOON AND INCREASE TO BETWEEN 20 AND 30 MPH SUNDAY EVENING.
   THIS WILL CAUSE BLOWING AND DRIFTING SNOW SUNDAY AFTERNOON INTO
   AT LEAST SUNDAY NIGHT.

 * TEMPERATURES WILL DROP DRASTICALLY SUNDAY NIGHT WITH LOWS 
   BETWEEN 7 BELOW AND 17 BELOW ZERO. DEADLY WIND CHILLS BETWEEN 
   30 BELOW AND 45 BELOW ZERO CAN BE EXPECTED SUNDAY NIGHT 
   THROUGH TUESDAY. 

IMPACTS...

 * ROADS WILL BE SNOW COVERED...SLICK AND HAZARDOUS. TRAVEL
   CONDITIONS WILL RAPIDLY DETERIORATE...ESPECIALLY SUNDAY
   AFTERNOON INTO SUNDAY NIGHT. SIGNIFICANT DRIFTING SNOW WILL
   CAUSE ROADWAYS TO BECOME PARTIALLY OR FULLY IMPASSABLE FOR A
   PERIOD OF TIME.

 * VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS IN 
   HEAVY SNOW AND BLOWING SNOW. 

 * FROST BITE AND HYPOTHERMIA WILL OCCUR IN A MATTER OF MINUTES 
   WITH THESE EXPECTED WIND CHILLS. DEATH WILL ALSO OCCUR IF 
   PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.