Alert archive / Illinois / Winter Storm Warnings in 2012

Winter Storm Warning 1, NWS Lincoln, IL

December 20, 20126 counties in Illinois

NWS Lincoln, IL issued this winter storm warning at Dec 20, 2012, 2:50 AM CST for 6 counties in Illinois. It took effect at Dec 20, 2012, 9:00 AM CST. It was in force for 3 hr. 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 20, 2012, 2:50 AM CST (08:50 UTC)
In effect from
Dec 20, 2012, 9:00 AM CST
Expired
Dec 20, 2012, 12:15 PM CST
In force
3 hr
Issued by
NWS Lincoln, IL

Counties Fulton County, IL, Knox County, IL, Marshall County, IL, Peoria County, IL, Schuyler County, IL, Stark County, IL

The radar

The Lincoln radar (KILX), 86 km from the middle of the area, began a volume at 08:52 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

Davenport, (KDVN), launched 00:00Z, 8.8 hours before the alert went out and 106 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, Davenport, at 00:00Z on 2012-12-20Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2012-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 268 square meters per square second.1939587897117136156Sfc1 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
910 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
268 m²/s²
0-3 km storm-relative helicity
439 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.

857 
WWUS43 KILX 200850
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
250 AM CST THU DEC 20 2012

...DANGEROUS WINTER STORM TO AFFECT THE MIDWEST...

.STRENGTHENING LOW PRESSURE WILL TRACK FROM SAINT LOUIS TO THE
SOUTHERN TIP OF LAKE MICHIGAN TODAY. COLDER AIR WILL QUICKLY
SPREAD FROM WEST TO EAST ACROSS CENTRAL ILLINOIS THIS MORNING...
CHANGING RAIN OVER TO SNOW. TOTALS OF 3 TO 5 INCHES ARE POSSIBLE
WEST OF THE ILLINOIS RIVER...WITH AROUND 2 INCHES AS FAR EAST AS
THE I-55 CORRIDOR. WITH NORTHWEST WINDS EXPECTED TO GUST IN EXCESS
OF 50 MPH THIS AFTERNOON AND EVENING...LOW VISIBILITY WILL BE
LIKELY DUE TO BLOWING SNOW...AND RURAL AREAS MAY SEE NEAR BLIZZARD
CONDITIONS AT TIMES.

ILZ027>030-036-201700-
/O.UPG.KILX.WW.Y.0004.121220T1800Z-121221T0300Z/
/O.NEW.KILX.WS.W.0001.121220T1500Z-121221T0600Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
250 AM CST THU DEC 20 2012

...WINTER STORM WARNING IN EFFECT FROM 9 AM THIS MORNING TO
MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
9 AM THIS MORNING TO MIDNIGHT CST TONIGHT. THE WINTER WEATHER
ADVISORY IS NO LONGER IN EFFECT. 

* TIMING...RAIN IS EXPECTED TO CHANGE TO SNOW AROUND GALESBURG AND
  CANTON AROUND 9 AM...AND NEAR PEORIA AROUND MIDDAY. SNOW IS THEN
  EXPECTED THROUGH THE AFTERNOON THROUGH MID EVENING.

* ACCUMULATIONS...TOTAL ACCUMULATIONS OF 3 TO 5 INCHES ARE LIKELY
  BY LATE EVENING...WITH LOCALLY HIGHER AMOUNTS IN AREAS AROUND
  GALESBURG. 

* WIND...SOUTH WINDS WILL SHIFT TO THE NORTHWEST AROUND MIDDAY...
  AND RAPIDLY INCREASE. WIND GUSTS OF 50 TO 55 MPH OR HIGHER WILL
  BE WIDESPREAD BY 3 PM...AND REMAIN THAT HIGH UNTIL AROUND 9 PM.

* IMPACTS...EXTREMELY DIFFICULT TRAVEL IS EXPECTED...AS THE
  FALLING SNOW IS WHIPPED AROUND BY THE STRONG WINDS. VISIBILITIES
  MAY OCCASIONALLY BE BELOW A QUARTER MILE DUE TO BLOWING SNOW...
  ESPECIALLY IN RURAL AREAS. IN ADDITION...THE COMBINATION OF
  RAPIDLY FALLING TEMPERATURES AND HIGH WINDS WILL PRODUCE
  FAVORABLE CONDITIONS FOR THE DEVELOPMENT OF BLACK ICE ON AREA
  HIGHWAYS. THE WINDS MAY ALSO CAUSE SOME TREE DAMAGE AND POWER
  OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW AND BLOWING 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.

&&

$$

ILZ040-201700-
/O.NEW.KILX.WS.W.0001.121220T1500Z-121221T0600Z/
SCHUYLER-
250 AM CST THU DEC 20 2012

...WINTER STORM WARNING IN EFFECT FROM 9 AM THIS MORNING TO
MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
9 AM THIS MORNING TO MIDNIGHT CST TONIGHT.

* TIMING...RAIN IS EXPECTED TO CHANGE TO SNOW AROUND 9 AM. SNOW
  IS THEN EXPECTED THROUGH THE AFTERNOON THROUGH MID EVENING.

* ACCUMULATIONS...TOTAL ACCUMULATIONS OF 3 TO 5 INCHES ARE LIKELY
  BY LATE EVENING...WITH LOCALLY HIGHER AMOUNTS IN AREAS AROUND
  GALESBURG. 

* WIND...SOUTH WINDS WILL SHIFT TO THE NORTHWEST AROUND MIDDAY...
  AND RAPIDLY INCREASE. WIND GUSTS OF 50 TO 55 MPH OR HIGHER WILL
  BE WIDESPREAD THIS AFTERNOON...AND REMAIN THAT HIGH UNTIL
  AROUND 9 PM.

* IMPACTS...EXTREMELY DIFFICULT TRAVEL IS EXPECTED...AS THE
  FALLING SNOW IS WHIPPED AROUND BY THE STRONG WINDS. VISIBILITIES
  MAY OCCASIONALLY BE BELOW A QUARTER MILE DUE TO BLOWING SNOW. IN
  ADDITION...THE COMBINATION OF RAPIDLY FALLING TEMPERATURES AND
  HIGH WINDS WILL PRODUCE FAVORABLE CONDITIONS FOR THE DEVELOPMENT
  OF BLACK ICE ON AREA HIGHWAYS. THE WINDS MAY ALSO CAUSE SOME
  TREE DAMAGE AND POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW AND BLOWING 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.

&&

$$

ILZ031-037-038-041-042-047>051-201700-
/O.NEW.KILX.WW.Y.0005.121220T1800Z-121221T0600Z/
WOODFORD-TAZEWELL-MCLEAN-MASON-LOGAN-CASS-MENARD-SCOTT-MORGAN-
SANGAMON-
INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...HAVANA...
LINCOLN...JACKSONVILLE...SPRINGFIELD
250 AM CST THU DEC 20 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT
CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM NOON TODAY TO MIDNIGHT CST TONIGHT.

* TIMING...RAIN IS EXPECTED TO CHANGE TO SNOW AROUND JACKSONVILLE
  AND HAVANA BY 10 AM...AND ALONG THE I-55 CORRIDOR SHORTLY AFTER
  NOON. SNOW IS THEN EXPECTED THROUGH THE AFTERNOON THROUGH MID
  EVENING.

* ACCUMULATIONS...TOTAL ACCUMULATIONS OF 2 TO 3 INCHES ARE LIKELY
  BY LATE EVENING.

* WIND...SOUTH WINDS WILL SHIFT TO THE NORTHWEST LATE THIS
  MORNING...AND RAPIDLY INCREASE. WIND GUSTS OF 50 TO 55 MPH OR
  HIGHER WILL BE WIDESPREAD EARLY THIS AFTERNOON AROUND
  SPRINGFIELD...AND AFTER 3 PM AROUND BLOOMINGTON. THESE SPEEDS
  WILL AND REMAIN THAT HIGH UNTIL LATE THIS EVENING.

* IMPACTS...DIFFICULT TRAVEL IS EXPECTED...AS THE FALLING SNOW IS
  WHIPPED AROUND BY THE STRONG WINDS. VISIBILITIES MAY
  OCCASIONALLY BE BELOW A QUARTER MILE DUE TO BLOWING SNOW...
  ESPECIALLY IN RURAL AREAS. IN ADDITION...THE COMBINATION OF
  RAPIDLY FALLING TEMPERATURES AND HIGH WINDS WILL PRODUCE
  FAVORABLE CONDITIONS FOR THE DEVELOPMENT OF BLACK ICE ON AREA
  HIGHWAYS. THE WINDS MAY ALSO CAUSE SOME TREE DAMAGE AND POWER
  OUTAGES.

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.

&&

$$
GEELHART
2 follow-up statements
387 
WWUS43 KILX 201657
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
1057 AM CST THU DEC 20 2012

...DANGEROUS WINTER STORM TO AFFECT THE MIDWEST...

.STRENGTHENING LOW PRESSURE WILL TRACK FROM SAINT LOUIS TO THE
SOUTHERN TIP OF LAKE MICHIGAN TODAY. COLDER AIR WILL QUICKLY
SPREAD FROM WEST TO EAST ACROSS CENTRAL ILLINOIS...CHANGING RAIN
OVER TO SNOW. TOTALS OF 3 TO 5 INCHES ARE POSSIBLE WEST OF THE
ILLINOIS RIVER...WITH AROUND 2 INCHES AS FAR EAST AS THE I-55
CORRIDOR. WITH NORTHWEST WINDS EXPECTED TO GUST IN EXCESS OF 50
MPH THIS AFTERNOON AND EVENING...LOW VISIBILITY WILL BE LIKELY DUE
TO BLOWING SNOW...AND RURAL AREAS MAY SEE NEAR BLIZZARD CONDITIONS
AT TIMES.

ILZ027>030-036-040-202100-
/O.CON.KILX.WS.W.0001.000000T0000Z-121221T0600Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-SCHUYLER-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
1057 AM CST THU DEC 20 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

* TIMING...RAIN IS EXPECTED TO CHANGE TO SNOW AROUND GALESBURG 
  AND CANTON AROUND 9 AM...AND NEAR PEORIA AROUND MIDDAY. SNOW 
  IS THEN EXPECTED THROUGH THE AFTERNOON THROUGH MID EVENING. 

* ACCUMULATIONS...TOTAL ACCUMULATIONS OF 3 TO 5 INCHES ARE 
  LIKELY BY LATE EVENING...WITH LOCALLY HIGHER AMOUNTS IN AREAS 
  AROUND GALESBURG. 

* WIND...SOUTH WINDS WILL SHIFT TO THE NORTHWEST AROUND MIDDAY...AND
  RAPIDLY INCREASE. WIND GUSTS OF 50 TO 55 MPH OR HIGHER WILL BE
  WIDESPREAD BY 3 PM...AND REMAIN THAT HIGH UNTIL AROUND 9 PM.

* IMPACTS...EXTREMELY DIFFICULT TRAVEL IS EXPECTED...AS THE 
  FALLING SNOW IS WHIPPED AROUND BY THE STRONG WINDS. 
  VISIBILITIES MAY OCCASIONALLY BE BELOW A QUARTER MILE DUE TO 
  BLOWING SNOW... ESPECIALLY IN RURAL AREAS. IN ADDITION...THE 
  COMBINATION OF RAPIDLY FALLING TEMPERATURES AND HIGH WINDS 
  WILL PRODUCE FAVORABLE CONDITIONS FOR THE DEVELOPMENT OF BLACK 
  ICE ON AREA HIGHWAYS. THE WINDS MAY ALSO CAUSE SOME TREE 
  DAMAGE AND POWER OUTAGES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW AND BLOWING 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.

&&

$$

ILZ031-037-038-041-042-047>051-202100-
/O.CON.KILX.WW.Y.0005.121220T1800Z-121221T0600Z/
WOODFORD-TAZEWELL-MCLEAN-MASON-LOGAN-CASS-MENARD-SCOTT-MORGAN-
SANGAMON-
INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...HAVANA...
LINCOLN...JACKSONVILLE...SPRINGFIELD
1057 AM CST THU DEC 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

* TIMING...RAIN IS EXPECTED TO CHANGE TO SNOW AROUND 
  JACKSONVILLE AND HAVANA BY 10 AM...AND ALONG THE I-55 CORRIDOR 
  SHORTLY AFTER NOON. SNOW IS THEN EXPECTED THROUGH THE 
  AFTERNOON THROUGH MID EVENING. 

* ACCUMULATIONS...TOTAL ACCUMULATIONS OF 2 TO 3 INCHES ARE 
  LIKELY BY LATE EVENING. 

* WIND...SOUTH WINDS WILL SHIFT TO THE NORTHWEST LATER TODAY...AND
  RAPIDLY INCREASE. WIND GUSTS OF 50 TO 55 MPH OR HIGHER WILL BE
  WIDESPREAD EARLY THIS AFTERNOON AROUND SPRINGFIELD...AND AFTER 3
  PM AROUND BLOOMINGTON. THESE SPEEDS WILL AND REMAIN THAT HIGH
  UNTIL LATE THIS EVENING.

* IMPACTS...DIFFICULT TRAVEL IS EXPECTED...AS THE FALLING SNOW 
  IS WHIPPED AROUND BY THE STRONG WINDS. VISIBILITIES MAY 
  OCCASIONALLY BE BELOW A QUARTER MILE DUE TO BLOWING SNOW... 
  ESPECIALLY IN RURAL AREAS. IN ADDITION...THE COMBINATION OF 
  RAPIDLY FALLING TEMPERATURES AND HIGH WINDS WILL PRODUCE 
  FAVORABLE CONDITIONS FOR THE DEVELOPMENT OF BLACK ICE ON AREA 
  HIGHWAYS. THE WINDS MAY ALSO CAUSE SOME TREE DAMAGE AND POWER 
  OUTAGES. 

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.

&&

$$


HJS
421 
WWUS43 KILX 201815
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
1215 PM CST THU DEC 20 2012

...DANGEROUS WINTER STORM TO AFFECT THE MIDWEST...

.STRENGTHENING LOW PRESSURE WILL TRACK THROUGH SOUTHERN ILLINOIS TO THE
SOUTHERN TIP OF LAKE MICHIGAN TODAY. TOTALS OF 3 TO 5 INCHES ARE
POSSIBLE WEST OF THE ILLINOIS RIVER...WITH AROUND 2 INCHES AS FAR
EAST AS THE I- 55 CORRIDOR. HOWEVER...EXTREME WINDS EXPECTED TO
GUST IN EXCESS OF 50 MPH THIS AFTERNOON AND EVENING...WILL DROP
VISIBILITIES TO BELOW ONE QUARTER OF A MILE IN SNOW AND BLOWING
SNOW...RESULTING IN BLIZZARD CONDITIONS.

ILZ027>030-036-040-202215-
/O.CAN.KILX.WS.W.0001.000000T0000Z-121221T0600Z/
/O.NEW.KILX.BZ.W.0001.121220T1815Z-121221T0600Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-SCHUYLER-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
1215 PM CST THU DEC 20 2012

...BLIZZARD WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. THE
WINTER STORM WARNING HAS BEEN CANCELLED. 

* TIMING...SNOW BEGINNING TO SPREAD INTO CENTRAL ILLINOIS. SNOW IS
  THEN EXPECTED THROUGH THE AFTERNOON THROUGH MID EVENING.

* ACCUMULATIONS...TOTAL ACCUMULATIONS OF 3 TO 5 INCHES ARE LIKELY
  BY LATE EVENING NORTHWEST OF THE ILLINOIS RIVER VALLEY...AND 2
  TO 3 INCHES FROM THE INTERSTATE 55 CORRIDOR TO THE ILLINOIS
  RIVER...WITH LOCALLY HIGHER AMOUNTS IN AREAS AROUND GALESBURG
  AND NORTHWESTERN KNOX COUNTY.

* WIND...SOUTHERLY WINDS WILL SHIFT TO THE NORTHWEST AROUND AND
  RAPIDLY INCREASE. WIND GUSTS OF 50 TO 55 MPH OR HIGHER WILL BE
  WIDESPREAD BY 3 PM...AND REMAIN THAT HIGH UNTIL AROUND 9 PM.

* IMPACTS...EXTREMELY DIFFICULT TRAVEL IS EXPECTED...AS THE
  FALLING SNOW IS WHIPPED AROUND BY THE STRONG WINDS. VISIBILITIES
  WILL DROP BELOW A QUARTER MILE DUE TO BLOWING SNOW...ESPECIALLY
  IN RURAL AREAS. IN ADDITION...THE COMBINATION OF RAPIDLY FALLING
  TEMPERATURES AND HIGH WINDS WILL PRODUCE FAVORABLE CONDITIONS
  FOR THE DEVELOPMENT OF BLACK ICE ON AREA HIGHWAYS. DRIFTING WILL
  ALSO BE AN ISSUE...PARTICULARLY ON NORTH SOUTH ORIENTED ROADS
  AND ALONG THE INTERSTATE 155 AND 55 CORRIDORS. THE WINDS MAY
  ALSO CAUSE SOME TREE DAMAGE AND POWER OUTAGES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

ILZ031-037-038-041-042-047>051-202215-
/O.UPG.KILX.WW.Y.0005.000000T0000Z-121221T0600Z/
/O.NEW.KILX.BZ.W.0001.121220T1815Z-121221T0600Z/
WOODFORD-TAZEWELL-MCLEAN-MASON-LOGAN-CASS-MENARD-SCOTT-MORGAN-
SANGAMON-
INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...HAVANA...
LINCOLN...JACKSONVILLE...SPRINGFIELD
1215 PM CST THU DEC 20 2012

...BLIZZARD WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. THE
WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* TIMING...SNOW BEGINNING TO SPREAD INTO CENTRAL ILLINOIS. SNOW IS
  THEN EXPECTED THROUGH THE AFTERNOON THROUGH MID EVENING.

* ACCUMULATIONS...TOTAL ACCUMULATIONS OF 3 TO 5 INCHES ARE LIKELY
  BY LATE EVENING NORTHWEST OF THE ILLINOIS RIVER VALLEY...AND 2
  TO 3 INCHES FROM THE INTERSTATE 55 CORRIDOR TO THE ILLINOIS
  RIVER...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* WIND...SOUTHERLY WINDS WILL SHIFT TO THE NORTHWEST AROUND AND
  RAPIDLY INCREASE. WIND GUSTS OF 50 TO 55 MPH OR HIGHER WILL BE
  WIDESPREAD BY 3 PM...AND REMAIN THAT HIGH UNTIL AROUND 9 PM.

* IMPACTS...EXTREMELY DIFFICULT TRAVEL IS EXPECTED...AS THE
  FALLING SNOW IS WHIPPED AROUND BY THE STRONG WINDS. VISIBILITIES
  WILL DROP BELOW A QUARTER MILE DUE TO BLOWING SNOW...ESPECIALLY
  IN RURAL AREAS. IN ADDITION...THE COMBINATION OF RAPIDLY FALLING
  TEMPERATURES AND HIGH WINDS WILL PRODUCE FAVORABLE CONDITIONS
  FOR THE DEVELOPMENT OF BLACK ICE ON AREA HIGHWAYS. DRIFTING WILL
  ALSO BE AN ISSUE...PARTICULARLY ON NORTH SOUTH ORIENTED ROADS
  AND ALONG THE INTERSTATE 155 AND 55 CORRIDORS. THE WINDS MAY
  ALSO CAUSE SOME TREE DAMAGE AND POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

ILZ043-052-053-202215-
/O.NEW.KILX.BZ.W.0001.121220T1815Z-121221T0600Z/
DE WITT-CHRISTIAN-MACON-
INCLUDING THE CITIES OF...TAYLORVILLE...DECATUR
1215 PM CST THU DEC 20 2012

...BLIZZARD WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 


* TIMING...SNOW BEGINNING TO SPREAD INTO CENTRAL ILLINOIS. SNOW IS
  THEN EXPECTED THROUGH THE AFTERNOON THROUGH MID EVENING.

* ACCUMULATIONS...TOTAL ACCUMULATIONS OF 3 TO 5 INCHES ARE LIKELY
  BY LATE EVENING NORTHWEST OF THE ILLINOIS RIVER VALLEY...AND 2
  TO 3 INCHES FROM THE INTERSTATE 55 CORRIDOR TO THE ILLINOIS
  RIVER...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* WIND...SOUTHERLY WINDS WILL SHIFT TO THE NORTHWEST AROUND AND
  RAPIDLY INCREASE. WIND GUSTS OF 50 TO 55 MPH OR HIGHER WILL BE
  WIDESPREAD BY 3 PM...AND REMAIN THAT HIGH UNTIL AROUND 9 PM.

* IMPACTS...EXTREMELY DIFFICULT TRAVEL IS EXPECTED...AS THE
  FALLING SNOW IS WHIPPED AROUND BY THE STRONG WINDS. VISIBILITIES
  WILL DROP BELOW A QUARTER MILE DUE TO BLOWING SNOW...ESPECIALLY
  IN RURAL AREAS. IN ADDITION...THE COMBINATION OF RAPIDLY FALLING
  TEMPERATURES AND HIGH WINDS WILL PRODUCE FAVORABLE CONDITIONS
  FOR THE DEVELOPMENT OF BLACK ICE ON AREA HIGHWAYS. DRIFTING WILL
  ALSO BE AN ISSUE...PARTICULARLY ON NORTH SOUTH ORIENTED ROADS
  AND ALONG THE INTERSTATE 55 CORRIDOR AND ALONG HIGHWAY 51 LATER
  THIS EVENING. THE WINDS MAY ALSO CAUSE SOME TREE DAMAGE AND POWER
  OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$


HJS

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 20, 2:50 AM CSTWinter Weather AdvisoryILXCass, Logan, McLean, Mason, Menard, Morgan and 4 more9 hr
Dec 20, 9:05 AM CSTAreal Flood AdvisoryILXChampaign, Coles, Cumberland, Douglas, Edgar, Effingham and 2 more6 hr
Dec 20, 12:15 PM CSTBlizzard WarningILXCass, Christian, DeWitt, Fulton, Knox, Logan and 13 more12 hr

Nearby

Winter Storm Warnings in Illinois, 2012Every winter storm warning in 2012

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.