Alert archive / Illinois / Winter Storm Warnings in 2010

Winter Storm Warning 3, NWS Lincoln, IL

February 20, 20106 counties in Illinois

NWS Lincoln, IL issued this winter storm warning at Feb 20, 2010, 3:11 PM CST for 6 counties in Illinois. It took effect at Feb 21, 2010, 12:00 PM CST. It was in force for 15 hr. 16 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 20, 2010, 3:11 PM CST (21:11 UTC)
In effect from
Feb 21, 2010, 12:00 PM CST
Expired
Feb 22, 2010, 3:22 AM CST
In force
15 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 21:14 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.

What was reported inside it

TimeReportWhereRemark
Feb 21, 4:45 PM CSTSNOW 2Altona, ILTOTAL SO FAR...VISIBILITY LESS THAN 1/2SM
Feb 21, 5:00 PM CSTSNOW 41 N Abingdon, ILSWOP REPORT
Feb 21, 6:00 PM CSTSNOW 2Peoria, ILTOTAL THROUGH 6PM
Feb 21, 7:30 PM CSTSNOW 2Canton, ILSNOW TOTAL SO FAR
Feb 21, 7:30 PM CSTSNOW 3Farmington, ILSNOW TOTAL SO FAR...2 INCHES IN THE PAST 3 HOURS
Feb 21, 8:10 PM CSTSNOW 3.25 Nw Peoria, ILTOTAL SO FAR...STILL SNOWING. MEASURED ON THE NW SIDE OF PEORIA.
Feb 21, 8:14 PM CSTSNOW 21 S Mossville, ILTOTAL SO FAR
Feb 21, 8:50 PM CSTSNOW 4.2Altona, ILTOTAL SO FAR...BLOWING AND DRIFTING SNOW IN THE COUNTRY
Feb 21, 8:50 PM CSTSNOW 6.21 N Abingdon, ILTOTAL SO FAR...SWOP REPORT
Feb 21, 9:10 PM CSTSNOW 42 Nw Elmira, ILTOTAL SO FAR...SWOP REPORT
Feb 21, 9:23 PM CSTSNOW 4Hopewell, ILTOTAL SO FAR
Feb 21, 9:24 PM CSTSNOW 2Henry, ILSNOFALL OVER THE PAST 6 HOURS...SWOP REPORT
Feb 21, 10:02 PM CSTSNOW 2.4Henry, ILSNOW FELL OVER THE PAST 8 HOURS...0.8 INCHES FELL IN THE PAST HOUR
Feb 21, 10:03 PM CSTSNOW 3.1Gilson, ILTOTAL SO FAR...SWOP REPORT
Feb 21, 11:38 PM CSTSNOW 5.52 Nw Elmira, ILTOTAL SO FAR...SWOP REPORT
Feb 22, 12:00 AM CSTSNOW 5.6Peoria, ILSTORM TOTAL THROUGH MIDNIGHT. SNOWFALL DIMINISHING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.2 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 12:00Z on 2010-02-20Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2010-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.1939587897Sfc1 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
515 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
194 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.

882 
WWUS43 KILX 202111
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
311 PM CST SAT FEB 20 2010

...WINTER STORM TAKING AIM ON PORTIONS OF CENTRAL ILLINOIS...

.A STRONG WINTER STORM SYSTEM NOW DEVELOPING OVER WEST TEXAS WILL
MOVE NORTHEAST INTO SOUTHERN MISSOURI BY SUNDAY EVENING AND CROSS
CENTRAL ILLINOIS SUNDAY NIGHT. A BAND OF HEAVY SNOW WILL DEVELOP
TO THE NORTHWEST OF THE TRACK OF THE LOW...WITH 6 TO 8 INCHES OF
SNOW POSSIBLE FROM NORTHERN MISSOURI INTO SOUTHEAST IOWA AND
NORTHWEST ILLINOIS. LOCATIONS TO THE NORTHWEST OF THE ILLINOIS
RIVER ARE PROJECTED TO BE WITHIN THIS HEAVY SNOW BAND...WITH THE
HEAVIEST SNOW BEGINNING SUNDAY AFTERNOON AND CONTINUING THROUGH AT
LEAST NOON ON MONDAY. AS THE SNOW TAPERS OFF MONDAY AFTERNOON...
NORTHERLY WINDS ON THE BACKSIDE OF THE LOW MAY CAUSE BLOWING AND
DRIFTING SNOW FOR A SHORT TIME UNTIL THE WINDS DECREASE MONDAY
NIGHT.

ILZ027>030-036-040-210300-
/O.UPG.KILX.WS.A.0003.100221T1200Z-100223T0000Z/
/O.NEW.KILX.WS.W.0003.100221T1800Z-100223T0000Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-SCHUYLER-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
311 PM CST SAT FEB 20 2010

...WINTER STORM WARNING IN EFFECT FROM NOON SUNDAY TO 6 PM CST
MONDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND DRIFTING SNOW...WHICH IS IN EFFECT FROM
NOON SUNDAY TO 6 PM CST MONDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING...LIGHT SNOW WILL BEGIN LATER TONIGHT...AND BECOME HEAVY
  MIDDAY SUNDAY. THE SNOW WILL CONTINUE THROUGH SUNDAY NIGHT AND
  START TAPERING OFF DURING MONDAY.

* ACCUMULATIONS...STORM TOTAL SNOW AMOUNTS OF 6 TO 8 INCHES WILL
  BE LIKELY.

* WIND...WINDS WILL BECOME NORTH AND INCREASE MONDAY AFTERNOON WITH
  GUSTS ABOVE 30 MPH POSSIBLE.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS OVER MOST LOCATIONS
  NORTHWEST OF THE ILLINOIS RIVER SUNDAY AFTERNOON THROUGH MONDAY.
  INCREASING WINDS WILL CAUSE BLOWING AND DRIFTING SNOW.

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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$

CHURCHILL
7 follow-up statements
084 
WWUS43 KILX 210240
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
840 PM CST SAT FEB 20 2010

...WINTER STORM TAKING AIM ON PORTIONS OF CENTRAL ILLINOIS...

.A STRONG WINTER STORM SYSTEM NOW DEVELOPING OVER WEST TEXAS WILL
MOVE NORTHEAST INTO SOUTHERN MISSOURI BY SUNDAY EVENING AND CROSS
CENTRAL ILLINOIS SUNDAY NIGHT. A BAND OF HEAVY SNOW WILL DEVELOP
TO THE NORTHWEST OF THE TRACK OF THE LOW...WITH 6 TO 8 INCHES OF
SNOW POSSIBLE FROM NORTHERN MISSOURI INTO SOUTHEAST IOWA AND
NORTHWEST ILLINOIS. LOCATIONS TO THE NORTHWEST OF THE ILLINOIS
RIVER ARE PROJECTED TO BE WITHIN THIS HEAVY SNOW BAND...WITH THE
HEAVIEST SNOW BEGINNING SUNDAY AFTERNOON AND CONTINUING THROUGH
AT LEAST NOON ON MONDAY. AS THE SNOW TAPERS OFF MONDAY
AFTERNOON... NORTHERLY WINDS ON THE BACKSIDE OF THE LOW MAY CAUSE
BLOWING AND DRIFTING SNOW FOR A SHORT TIME UNTIL THE WINDS
DECREASE MONDAY NIGHT.

ILZ027>030-036-040-210900-
/O.CON.KILX.WS.W.0003.100221T1800Z-100223T0000Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-SCHUYLER-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
840 PM CST SAT FEB 20 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO
6 PM CST MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO 6 PM
CST MONDAY. 

* TIMING...LIGHT SNOW WILL BEGIN LATER TONIGHT...AND BECOME 
  HEAVY MIDDAY SUNDAY. THE SNOW WILL CONTINUE THROUGH SUNDAY 
  NIGHT AND START TAPERING OFF DURING MONDAY. 

* ACCUMULATIONS...STORM TOTAL SNOW AMOUNTS OF 6 TO 8 INCHES WILL 
  BE LIKELY. 

* WIND...WINDS WILL BECOME NORTH AND INCREASE MONDAY AFTERNOON 
  WITH GUSTS ABOVE 30 MPH POSSIBLE. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS OVER MOST LOCATIONS 
  NORTHWEST OF THE ILLINOIS RIVER SUNDAY AFTERNOON THROUGH 
  MONDAY. INCREASING WINDS WILL CAUSE BLOWING AND DRIFTING SNOW. 

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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$
214 
WWUS43 KILX 210839
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
239 AM CST SUN FEB 21 2010

...WINTER STORM SPINNING UP TODAY ACROSS CENTRAL ILLINOIS...

.A STRONG WINTER STORM SYSTEM CENTERED IN NORTHERN TEXAS EARLY
THIS MORNING WILL MOVE NORTHEAST INTO SOUTHERN MISSOURI BY THIS
EVENING AND CROSS CENTRAL ILLINOIS LATER TONIGHT. A BAND OF HEAVY
SNOW WILL DEVELOP TO THE NORTHWEST OF THE TRACK OF THE LOW...WITH
6 TO 8 INCHES OF SNOW POSSIBLE FROM NORTHERN MISSOURI INTO
SOUTHEAST IOWA AND NORTHWEST ILLINOIS. LOCATIONS TO THE NORTHWEST
OF THE ILLINOIS RIVER ARE PROJECTED TO BE WITHIN THIS HEAVY SNOW
BAND...WITH THE HEAVIEST SNOW BEGINNING THIS AFTERNOON AND
CONTINUING TONIGHT. THE SNOW WILL TAPER OFF ON MONDAY. AREAS JUST
SOUTHEAST OF THE ILLINOIS RIVER CAN EXPECT 3 TO 5 INCHES OF
SNOW...WITH THE HIGHER AMOUNTS FARTHER NORTH IN WOODFORD AND
TAZEWELL COUNTIES. BY MONDAY AFTERNOON...NORTHERLY WINDS ON THE
BACKSIDE OF THE LOW MAY CAUSE BLOWING AND DRIFTING SNOW FOR A
SHORT TIME UNTIL THE WINDS DECREASE MONDAY NIGHT.

ILZ027>030-036-040-211700-
/O.CON.KILX.WS.W.0003.100221T1800Z-100223T0000Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-SCHUYLER-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
239 AM CST SUN FEB 21 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM
CST MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM
CST MONDAY. 

* TIMING...LIGHT SNOW THIS MORNING...WILL BECOME HEAVY AT TIMES
  LATER THIS AFTERNOON. THE HEAVIEST SNOW IS EXPECTED
  TONIGHT...BEFORE TAPERING OFF ON MONDAY.

* ACCUMULATIONS...STORM TOTAL SNOW AMOUNTS OF 6 TO 8 INCHES WILL
  BE LIKELY NORTHWEST OF THE ILLINOIS RIVER.

* WIND...WINDS WILL BECOME NORTH AND INCREASE MONDAY AFTERNOON 
  WITH GUSTS ABOVE 30 MPH POSSIBLE. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS OVER MOST LOCATIONS
  NORTHWEST OF THE ILLINOIS RIVER THIS AFTERNOON THROUGH MONDAY.
  INCREASING WINDS WILL CAUSE BLOWING AND DRIFTING SNOW.

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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$

ILZ031-037-041-047-211700-
/O.NEW.KILX.WW.Y.0007.100221T1800Z-100223T0000Z/
WOODFORD-TAZEWELL-MASON-CASS-
INCLUDING THE CITY OF...HAVANA
239 AM CST SUN FEB 21 2010

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM CST
MONDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO
6 PM CST MONDAY.

* TIMING...LIGHT SNOW THIS MORNING WILL INCREASE THIS AFTERNOON.
  THE HEAVIEST SNOW IS EXPECTED TONIGHT...BEFORE TAPERING OFF ON
  MONDAY. 

* ACCUMULATIONS...SNOW AMOUNTS OF 3 TO 5 INCHES ARE EXPECTED FOR
  AREAS JUST SOUTHEAST OF THE ILLINOIS RIVER...WITH THE HIGHER
  AMOUNTS FARTHER NORTH IN WOODFORD AND TAZEWELL COUNTIES. RAIN
  MAY MIX IN AT TIMES AS WARM AIR SURGES NORTHWARD...REDUCING SNOW
  TOTALS FARTHER SOUTH AND EAST.

* WIND...WINDS WILL BECOME NORTH AND INCREASE MONDAY AFTERNOON 
  WITH GUSTS ABOVE 30 MPH POSSIBLE. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS TODAY DUE TO SLIPPERY
  CONDITIONS...AND CONTINUE THROUGH MONDAY. LOW VISIBILITY IS
  EXPECTED DURING THE HEAVIEST SNOWFALL TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

SHIMON
407 
WWUS43 KILX 211555
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
955 AM CST SUN FEB 21 2010

...WINTER STORM WARNING NORTHWEST OF THE ILLINOIS RIVER THIS
AFTERNOON THROUGH MONDAY...

.LOW PRESSURE IN NORTH TEXAS WILL DEEPEN AS IT EJECTS NORTHEAST 
INTO SOUTHEAST MISSOURI THIS EVENING AND OVER SOUTHEAST ILLINOIS
LATE TONIGHT. A BAND OF HEAVY SNOW WILL DEVELOP TO THE NORTHWEST
OF THE TRACK OF THE LOW. BETWEEN 5 AND 10 INCHES OF SNOW EXPECTED
FROM NORTHERN MISSOURI INTO SOUTHEAST IOWA AND NORTHWEST ILLINOIS.
LOCATIONS TO THE NORTHWEST OF THE ILLINOIS RIVER ARE PROJECTED TO
BE WITHIN THIS HEAVY SNOW BAND...WITH THE HEAVIEST SNOW BEGINNING
LATER THIS AFTERNOON AND CONTINUING TONIGHT. THE SNOW WILL TAPER
OFF BY NOON MONDAY. AREAS JUST SOUTHEAST OF THE ILLINOIS RIVER CAN
EXPECT 3 TO 5 INCHES OF SNOW...WITH THE HIGHER AMOUNTS FARTHER
NORTH IN WOODFORD AND TAZEWELL COUNTIES. BY MONDAY AFTERNOON...
NORTHWEST WINDS GUSTING TO AROUND 30 MPH ON THE BACKSIDE OF THE
LOW WILL CAUSE BLOWING AND DRIFTING SNOW UNTIL THE WINDS DECREASE
MONDAY NIGHT.

ILZ027>030-036-040-212200-
/O.CON.KILX.WS.W.0003.100221T1800Z-100223T0000Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-SCHUYLER-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
955 AM CST SUN FEB 21 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST MONDAY. 

* TIMING...LIGHT SNOW WILL RETURN DURING THE AFTERNOON AND BECOME
  HEAVY AT TIMES LATER THIS AFTERNOON THROUGH TONIGHT. THE SNOW
  SHOULD TAPER OFF BY NOON MONDAY. 

* ACCUMULATIONS...STORM TOTAL SNOW AMOUNTS OF 5 TO 9 INCHES WILL
  BE LIKELY NORTHWEST OF THE ILLINOIS RIVER. THE LOWER SNOWFALL
  AMOUNTS ARE EXPECTED ALONG THE ILLINOIS RIVER AND THE HIGHER
  AMOUNTS ALONG AND NORTHWEST OF A GALESBURG TO TOULON LINE IN
  KNOX AND STARK COUNTIES.

* WIND...WINDS WILL BECOME NORTHWEST AND INCREASE MONDAY AFTERNOON
  WITH GUSTS AROUND 30 MPH CAUSING SOME BLOWING AND DRIFTING SNOW
  ESPECIALLY IN OPEN AREAS.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS OVER MOST LOCATIONS 
  NORTHWEST OF THE ILLINOIS RIVER THIS AFTERNOON THROUGH MONDAY. 
  INCREASING WINDS WILL CAUSE BLOWING AND DRIFTING SNOW. 

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. FOR
ILLINOIS ROAD CONDITIONS CALL TOLL FREE 1-800-452-4368.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$

ILZ031-037-041-047-212200-
/O.CON.KILX.WW.Y.0007.100221T1800Z-100223T0000Z/
WOODFORD-TAZEWELL-MASON-CASS-
INCLUDING THE CITY OF...HAVANA
955 AM CST SUN FEB 21 2010

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
MONDAY. 

* TIMING...A MIXTURE OF LIGHT SNOW AND LIGHT WILL WILL RETURN THIS
  AFTERNOON. THE PRECIPITATION WILL BECOME HEAVIER LATE THIS
  AFTERNOON AND INTO TONIGHT AND CHANGE TO ALL SNOW BY MIDNIGHT.
  THE HEAVIEST SNOW IS EXPECTED TONIGHT...AND EXPECTED TO TAPER 
  OFF BY NOON MONDAY.

* ACCUMULATIONS...SNOW AMOUNTS OF 3 TO 5 INCHES ARE EXPECTED FOR
  AREAS JUST SOUTHEAST OF THE ILLINOIS RIVER...WITH THE HIGHER
  AMOUNTS FARTHER NORTH IN WOODFORD AND TAZEWELL COUNTIES CLOSER
  TO THE ILLINOIS RIVER. RAIN MAY MIX IN AT TIMES AS WARM AIR
  SURGES NORTHWARD...REDUCING SNOW TOTALS FARTHER SOUTH AND EAST.

* WIND...WINDS WILL BECOME NORTHWEST AND INCREASE MONDAY AFTERNOON
  WITH GUSTS AROUND 30 MPH CAUSING SOME BLOWING AND DRIFTING SNOW
  ESPECIALLY IN OPEN AREAS.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS TODAY DUE TO SLIPPERY 
  CONDITIONS...AND CONTINUE THROUGH MONDAY. LOW VISIBILITY IS 
  EXPECTED DURING THE HEAVIEST SNOWFALL TONIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

HUETTL
981 
WWUS43 KILX 212125
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
325 PM CST SUN FEB 21 2010

...WINTER STORM HAS BEGUN WEST OF THE ILLINOIS RIVER...

.SNOW HAS BEEN INCREASING LATE THIS AFTERNOON OVER WESTERN
ILLINOIS AHEAD OF A DEEPENING LOW PRESSURE AREA OVER SOUTHWESTERN
MISSOURI. THE CENTER OF THE LOW WILL MOVE NORTHEAST TOWARD ST.
LOUIS THIS EVENING AND CONTINUE INTO WESTERN INDIANA BY DAWN ON
MONDAY. A BAND OF HEAVY SNOW WILL DEVELOP WEST OF THE STORM
TRACK...WITH STORM TOTAL SNOW ACCUMULATIONS OF 6 TO 8 INCHES
LIKELY ALONG AND WEST OF THE ILLINOIS RIVER. COUNTIES ALONG THE
ILLINOIS RIVER TO THE EAST WILL SEE LESSER AMOUNTS OF SNOW...WITH
3 TO 5 INCHES LIKELY. THE SNOW WILL TAPER OFF BY MONDAY
AFTERNOON...HOWEVER STRONG NORTH WINDS ON THE BACKSIDE OF THE
STORM MAY CAUSE BLOWING AND DRIFTING SNOW INTO THE AFTERNOON
HOURS. THESE WINDS WILL THEN DIMINISH EARLY MONDAY EVENING.

ILZ027>030-036-040-220200-
/O.CON.KILX.WS.W.0003.000000T0000Z-100223T0000Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-SCHUYLER-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
325 PM CST SUN FEB 21 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST MONDAY. 

* TIMING...SNOW HAS BEGUN OVER MOST OF THE WARNING AREA AND WILL
  CONTINUE THROUGH THE MORNING HOURS MONDAY. HEAVIEST SNOW WILL BE
  FROM MID EVENING TONIGHT THROUGH THE PRE-DAWN HOURS MONDAY
  MORNING. 

* ACCUMULATIONS...STORM TOTAL SNOW AMOUNTS OF 6 TO 8 INCHES WILL
  BE LIKELY.

* WIND...WINDS WILL BECOME NORTHWEST AND INCREASE MONDAY AFTERNOON
  WITH GUSTS AROUND 30 MPH. THE WINDS WILL THEN DIMINISH EARLY
  MONDAY EVENING.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS OVER MOST LOCATIONS
  NORTHWEST OF THE ILLINOIS RIVER THROUGH MONDAY. INCREASING
  WINDS WILL CAUSE BLOWING AND DRIFTING SNOW MONDAY AFTERNOON.

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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$

ILZ031-037-041-047-220200-
/O.CON.KILX.WW.Y.0007.000000T0000Z-100223T0000Z/
WOODFORD-TAZEWELL-MASON-CASS-
INCLUDING THE CITY OF...HAVANA
325 PM CST SUN FEB 21 2010

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
MONDAY. 

* TIMING...SNOW HAS ALREADY BEGUN OVER PARTS OF THE ADVISORY AREA
  AND WILL CONTINUE TO OVERSPREAD THE AREA THIS EVENING AND
  OVERNIGHT. 

* ACCUMULATIONS...SNOW AMOUNTS OF 3 TO 5 INCHES WILL BE LIKELY
  LATER THIS EVENING AND OVERNIGHT.

* WIND...WINDS WILL BECOME NORTHWEST AND INCREASE MONDAY 
  AFTERNOON WITH GUSTS AROUND 30 MPH CAUSING SOME BLOWING AND 
  DRIFTING SNOW ESPECIALLY IN OPEN AREAS. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS OVERNIGHT DUE TO SLIPPERY
  CONDITIONS AND CONTINUE THROUGH MONDAY. INCREASING WINDS FROM
  MIDDAY MONDAY THROUGH MONDAY EVENING MAY ALSO HAMPER TRAVEL DUE
  TO BLOWING AND DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

CHURCHILL
796 
WWUS43 KILX 220157
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
757 PM CST SUN FEB 21 2010

...WINTER STORM CONTINUES WEST OF THE ILLINOIS RIVER...

.SNOW HAS BEEN INCREASING EARLY THIS EVENING OVER WEST CENTRAL 
ILLINOIS AHEAD OF A DEEPENING LOW PRESSURE AREA OVER SOUTHEAST
MISSOURI. THE CENTER OF THE LOW WILL MOVE SOUTH OF ST. LOUIS LATER
THIS EVENING AND CONTINUE ON A EAST NORTHEAST TRACK INTO SOUTH
CENTRAL INDIANA BY MONDAY MORNING. A BAND OF HEAVY SNOW WILL OCCUR
WEST AND NORTH OF THE STORM TRACK...WITH STORM TOTAL SNOW 
ACCUMULATIONS OF 6 TO 8 INCHES LIKELY ALONG AND WEST OF THE ILLINOIS
RIVER. COUNTIES ALONG THE ILLINOIS RIVER TO THE EAST WILL SEE LESSER
AMOUNTS OF SNOW...WITH 3 TO 5 INCHES LIKELY. THE SNOW WILL TAPER
OFF LATER MONDAY MORNING...HOWEVER GUSTY NORTH WINDS ON THE BACKSIDE
OF THE STORM MAY CAUSE BLOWING AND DRIFTING SNOW INTO THE AFTERNOON
HOURS. THESE WINDS WILL THEN DIMINISH EARLY MONDAY EVENING.

ILZ027>030-036-040-220800-
/O.CON.KILX.WS.W.0003.000000T0000Z-100223T0000Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-SCHUYLER-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
757 PM CST SUN FEB 21 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST MONDAY. 

* TIMING...SNOW CONTINUES OVER THE WARNING AREA THIS EVENING AND
  IS EXPECTED TO PREVAIL THROUGH THE EARLY MORNING HOURS MONDAY.
  HEAVIEST SNOW WILL BE FROM MID EVENING TONIGHT THROUGH THE PRE-
  DAWN HOURS MONDAY MORNING.

* ACCUMULATIONS...STORM TOTAL SNOW AMOUNTS OF 6 TO 8 INCHES WILL 
  BE LIKELY. 

* WIND...WINDS WILL BECOME NORTHWEST AND INCREASE MONDAY MORNING
  WITH GUSTS AROUND 30 MPH. THE WINDS WILL THEN DIMINISH EARLY
  MONDAY EVENING.

* IMPACTS...TRAVEL WILL CONTINUE TO BE HAZARDOUS OVER MOST LOCATIONS
  NORTHWEST OF THE ILLINOIS RIVER THROUGH MONDAY. INCREASING WINDS
  WILL CAUSE BLOWING AND DRIFTING SNOW MONDAY AFTERNOON.

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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$

ILZ031-037-041-047-220800-
/O.CON.KILX.WW.Y.0007.000000T0000Z-100223T0000Z/
WOODFORD-TAZEWELL-MASON-CASS-
INCLUDING THE CITY OF...HAVANA
757 PM CST SUN FEB 21 2010

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
MONDAY. 

* TIMING...SNOW CONTINUES OVER PARTS OF THE ADVISORY AREA AND WILL
  OVERSPREAD THE ENTIRE AREA LATE THIS EVENING AND OVERNIGHT. SOME
  PATCHY FREEZING RAIN AND SLEET WILL ALSO BE POSSIBLE THIS EVENING
  AS THE RAIN TRANSITIONS OVER TO SNOW. 

* ACCUMULATIONS...SNOW AMOUNTS OF 3 TO 5 INCHES WILL BE LIKELY BY
  MONDAY MORNING. 

* WIND...WINDS WILL BECOME NORTHWEST AND INCREASE MONDAY 
  AFTERNOON WITH GUSTS AROUND 30 MPH CAUSING SOME BLOWING AND 
  DRIFTING SNOW ESPECIALLY IN OPEN AREAS. 

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS OVERNIGHT DUE TO SLIPPERY
  CONDITIONS AND CONTINUE THROUGH MONDAY. INCREASING WINDS MONDAY
  MORNING THROUGH THE LATE AFTERNOON HOURS MAY ALSO HAMPER TRAVEL
  DUE TO BLOWING AND DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

SMITH
651 
WWUS43 KILX 220747
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
147 AM CST MON FEB 22 2010

...WINTER STORM WINDING DOWN...

.SNOW HAS BEEN DECREASING SINCE MIDNIGHT. THE CENTER OF THE LOW
WILL MOVE ACROSS FAR SOUTHERN ILLINOIS THE REST OF THE NIGHT AND
REACH SOUTH CENTRAL INDIANA BY MID MORNING. 5 TO 7 INCHES OF SNOW
HAS FALLEN IN MOST AREAS NORTHWEST OF THE ILLINOIS RIVER...WITH 2
TO 4 INCHES ALONG AND JUST SOUTHEAST OF THE RIVER. THE SNOW WILL
TAPER OFF THE REST OF THE NIGHT...WITH ADDITIONAL SNOWFALL
GENERALLY LESS THAN AN INCH. 

ILZ027>030-036-040-221800-
/O.CON.KILX.WS.W.0003.000000T0000Z-100223T0000Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-SCHUYLER-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
147 AM CST MON FEB 22 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

* TIMING...SNOW WILL DIMINISH OVER THE WARNING AREA THE REST OF
  THE NIGHT. ADDITIONAL SNOWFALL WILL BE LESS THAN AN INCH.

* ACCUMULATIONS...STORM TOTAL SNOW AMOUNTS OF 6 TO 8 INCHES WILL 
  BE LIKELY. 

* WIND...WINDS WILL BECOME NORTHWEST AND INCREASE MONDAY MORNING 
  WITH GUSTS AROUND 30 MPH. THE WINDS WILL THEN DIMINISH EARLY 
  MONDAY EVENING. 

* IMPACTS...TRAVEL WILL CONTINUE TO BE HAZARDOUS OVER MOST
  LOCATIONS NORTHWEST OF THE ILLINOIS RIVER THROUGH THE DAY TODAY.

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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$

ILZ031-037-041-047-221800-
/O.CON.KILX.WW.Y.0007.000000T0000Z-100223T0000Z/
WOODFORD-TAZEWELL-MASON-CASS-
INCLUDING THE CITY OF...HAVANA
147 AM CST MON FEB 22 2010

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

* TIMING...SNOW WILL DIMINISH THE REST OF THE NIGHT...WITH
  ADDITIONAL ACCUMULATIONS LESS THAN AN INCH.

* ACCUMULATIONS...SNOW AMOUNTS OF 3 TO 5 INCHES WILL BE LIKELY BY SUNRISE.

* WIND...WINDS WILL BECOME NORTHWEST AND INCREASE MONDAY AFTERNOON
  WITH GUSTS AROUND 30 MPH.

* IMPACTS...TRAVEL WILL REMAIN HAZARDOUS THROUGH MONDAY...DUE TO
  SNOW COVERED AND SLIPPERY ROADS AND WALKWAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

SHIMON
250 
WWUS43 KILX 220922
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
322 AM CST MON FEB 22 2010

...WINTER STORM WINDING DOWN ACROSS CENTRAL ILLINOIS...

.LITTLE ADDITIONAL SNOWFALL IS EXPECTED...AS THE LOW PULLS INTO
INDIANA THIS MORNING. BRISK NORTHWEST WINDS TO 30 MPH WILL DEVELOP
TODAY...BUT THE WET HEAVY SNOW WILL BE DIFFICULT TO BLOW AROUND.

ILZ027>030-036-040-221030-
/O.CAN.KILX.WS.W.0003.000000T0000Z-100223T0000Z/
KNOX-STARK-PEORIA-MARSHALL-FULTON-SCHUYLER-
INCLUDING THE CITIES OF...GALESBURG...PEORIA
322 AM CST MON FEB 22 2010

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS CANCELLED THE WINTER
STORM WARNING. 

SNOWFALL HAS DIMINISHED SIGNIFICANTLY FOR AREAS NORTHWEST OF THE
ILLINOIS RIVER. FLURRIES MAY LINGER INTO THE MORNING HOURS...BUT
LITTLE TO NO ADDITIONAL ACCUMULATION IS EXPECTED. THEREFORE...THE
WINTER STORM WARNING HAS BEEN CANCELLED.

MOST ROADS AND WALKWAYS WILL REMAIN SNOW COVERED AND SLIPPERY
THIS MORNING...SO CONTINUE TO USE CAUTION WHEN TRAVELING.

$$

ILZ031-037-041-047-221030-
/O.CAN.KILX.WW.Y.0007.000000T0000Z-100223T0000Z/
WOODFORD-TAZEWELL-MASON-CASS-
INCLUDING THE CITY OF...HAVANA
322 AM CST MON FEB 22 2010

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

SNOWFALL WILL CONTINUE TO TAPER OFF FOR THE ADVISORY AREAS
SOUTHEAST OF THE ILLINOIS RIVER. LIGHT SNOW OR FLURRIES WILL
LINGER INTO THE MORNING HOURS...BUT LITTLE ADDITIONAL ACCUMULATION
IS EXPECTED. THEREFORE...THE WINTER WEATHER ADVISORY HAS BEEN
CANCELLED.

MANY ROADS AND WALKWAYS WILL REMAIN SNOW COVERED AND SLIPPERY
THIS MORNING...SO CONTINUE TO USE CAUTION WHEN TRAVELING.

$$

SHIMON

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 Lincoln, IL wrote its last area forecast discussion before this winter storm warning went out at Feb 20, 3:00 PM CST, 11 minutes earlier.

Area forecast discussion, Feb 20, 3:00 PM CST, 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
300 PM CST SAT FEB 20 2010

.DISCUSSION...
ISSUED 300 PM CST SAT FEB 20 2010

SHORT TERM...TONIGHT THROUGH TUESDAY...
INVERTED SURFACE TROUGH IS MOVING THROUGH CENTRAL ILLINOIS AT THIS
TIME. THIS FEATURE WILL WEAKEN WITH TIME IN FAVOR OF NEXT UPSTREAM
STORM NOW DEVELOPING OVER WEST TEXAS. INTENSE BAROCLINIC ZONE IS
COMING TOGETHER FROM SOUTHWESTERN OKLAHOMA TO SOUTHWESTERN
MISSOURI...WHERE TEMPERATURES IN NORTHWESTERN OKLAHOMA ARE IN THE
MID 30S VERSUS MID 60S IN THE SOUTHEAST. MIXED PRECIPITATION IS
ALREADY MOVING INTO WESTERN AND CENTRAL MISSOURI TO THE NORTH OF THE
FROM THIS AFTERNOON. THIS PRECIPITATION WILL OVERSPREAD CENTRAL
ILLINOIS LATER TONIGHT WITH A MIXTURE OF RAIN AND PERHAPS LIGHT
SLEET OVER THE SOUTHWEST. THE NORTH SHOULD SEE MAINLY LIGHT SNOW...
WITH THE SOUTH/EAST MAINLY RAIN.

THE DEVELOPING SURFACE LOW WILL MOVE NORTHEAST ALONG THE FRONT AND
BE LOCATED OVER SOUTHERN MISSOURI BY THE END OF THE DAY SUN...THEN
MOVE INTO EAST-CENTRAL ILLINOIS BY SUNRISE MONDAY. QUITE A BIT OF
WARM AIR WILL BE WRAPPED INTO THIS SYSTEM...WITH MOST OF CENTRAL
ILLINOIS SEEING MAINLY RAIN AND LITTLE IF ANY SNOW. HOWEVER...
LOCATIONS NORTHWEST OF THE ILLINOIS RIVER WILL REMAIN IN THE COLD
AIR AND BE WITHIN THE HEAVY SNOW BAND TO THE NORTHWEST OF THE STORM
TRACK. CURRENT INDICATIONS ARE THAT 6 TO 8 INCHES OF SNOW WILL BE
POSSIBLE NORTHWEST OF A LINE FROM RUSHVILLE TO PEORIA TO LACON. THE
TIME FRAME OF HEAVIEST SNOW WILL BE SUNDAY AFTERNOON THROUGH DAWN
MONDAY...WITH LIGHTER SNOW CONTINUING THROUGH THE DAY ON MONDAY.
SINCE THIS SOLUTION IS PRETTY CONSISTENT WITH THE PREVIOUS
FORECAST...WILL REPLACE THE CURRENT WATCH WITH A WINTER STORM
WARNING FROM NOON SUNDAY TIL 6PM MONDAY. THE RAIN/SNOW LINE WILL
INITIALLY BE ALONG THE ILLINOIS RIVER...THEN SHIFT SOUTHEASTWARD AS
THE LOW DEPARTS THE AREA MONDAY AFTERNOON. LOCATIONS TO THE SOUTH OF
A LINE FROM JACKSONVILLE TO DECATUR TO DANVILLE SHOULD GET A HALF
INCH OF SNOW OR LESS.

FOR NOW WILL KEEP A SLIGHT CHANCE OF LINGERING LIGHT SNOW FOR MONDAY
NIGHT...BUT THIS MAY END UP BEING GENEROUS DEPENDING ON THE SPEED OF
THE UPPER TROUGH.

LONG TERM...WEDNESDAY THROUGH SATURDAY...
THE LONGER RANGE MODELS SHOW THE NEXT UPPER TROUGH COMING
SOUTHEASTWARD TOWARD THE MIDWEST AROUND MIDWEEK...WITH THE TROUGH
CLOSING OFF AND BECOMING AN UPPER LOW NEAR LAKE MICHIGAN ON
WEDNESDAY. MOISTURE WILL BE MORE SPARCE WITH THIS SYSTEM...SO WILL
INTRODUCE SOME SLIGHT CHANCE POPS FOR LIGHT SNOW. THE REMAINDER OF
THE LONG RANGE FORECAST LOOKS DRY AS CANADIAN HIGH PRESSURE SETTLES
INTO THE REGION.

04
&&

.AVIATION...
ISSUED 1155 AM CST SAT FEB 20 2010

VFR CONDITIONS EARLY THIS AFTERNOON WITH SEVERAL LARGE BREAKS IN
LOW CLOUDS SOUTH OF I-74...WILL DETERORIATE FROM WEST TO EAST AS
IFR CEILINGS AND VISIBILITIES WEST OF THE IL RIVER MOVE IN BEHIND
A WEAK INVERTED SURFACE TROF THAT MOVES EAST FROM WESTERN IL (FROM
GALESBURG TO JACKSONVILLE) INTO EASTERN IL BY CMI BY EARLY THIS
EVENING. SSE WINDS NEAR 10 KTS AHEAD OF THIS SURFACE TROF EARLY
AFTERNOON BECOME LIGHT NORTH BEHIND THE TROF. SNOW MELT TODAY WITH
TEMPS IN THE UPPER 30S AND LOWER 40S ADDING LOW LEVEL MOISTURE
WHICH WILL AID IN DEVELOPMENT OF FOG AND IFR VISIBITIES LATER THIS
EVENING AND OVERNIGHT. 1003 MB LOW PRESSURE DEEPENING OVER CENTRAL
CO AND 1007 MB LOW PRESSURE OVER WEST TX WILL JOIN FORCES AND MOVE
INTO EASTERN OK BY 18Z/NOON SUNDAY. INCREASING ISENTROPIC LIFT AND
WARM AIR ADVECTION AHEAD OF THIS STORM SYSTEM WILL SPREAD RAIN NE
ACROSS CENTRAL IL BETWEEN 09Z-13Z (3-7 AM) AND CONTINUE THROUGH
SUNDAY WITH CEILINGS BELOW 1K FT AND VSBYS 1-2 MILES. SNOW WILL BE
POSSIBLE WITH THE RAIN ALONG THE IL RIVER AT PIA AND HAVE VSBYS
LOWEST THERE AT A MILE.

HUETTL

&&

.ILX WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WARNING FROM NOON SUNDAY TO 6 PM CST MONDAY FOR
ILZ027>030-036-040.

&&
Hazardous weather outlook, Feb 20, 10:35 AM CST, 4 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
1035 AM CST SAT FEB 20 2010

ILZ027>030-036-040-211200-
FULTON-KNOX-MARSHALL-PEORIA-SCHUYLER-STARK-
1035 AM CST SAT FEB 20 2010

...WINTER STORM WATCH IN EFFECT FROM SUNDAY THROUGH MONDAY
AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

LIGHT SNOW MAY DEVELOP AFTER 3 AM TONIGHT...WITH A DUSTING OF NEW
SNOW POSSIBLE BY DAWN SUNDAY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

LIGHT SNOW WILL CONTINUE SUNDAY...BEFORE LETTING UP FOR A TIME.
MODERATE TO HEAVY SNOWFALL IS EXPECTED SUNDAY NIGHT...WHEN THE
MAJORITY OF SNOW ACCUMULATION IS EXPECTED. SNOWFALL AMOUNTS OF 6
INCHES OR MORE WILL BE POSSIBLE BY MONDAY AFTERNOON NORTHWEST OF
THE ILLINOIS RIVER...ESPECIALLY TOWARDS GALESBURG AND TOULON IN
KNOX AND STARK COUNTIES. RAIN WILL MIX WITH THE SNOW CLOSER TO THE
ILLINOIS RIVER VALLEY. THE SNOW AND RAIN SHOULD DIMINISH LATER
MONDAY...AS COLDER AIR ARRIVES ON NORTHWEST WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

ILZ031-037-038-041>043-047>051-211200-
CASS-DE WITT-LOGAN-MASON-MCLEAN-MENARD-MORGAN-SANGAMON-SCOTT-
TAZEWELL-WOODFORD-
1035 AM CST SAT FEB 20 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A STRONG STORM SYSTEM IS EXPECTED TO SPREAD SNOW AND RAIN ACROSS
CENTRAL ILLINOIS ON SUNDAY. THE BETTER CHANCES OF SNOW WILL BE
FARTHER NORTHWEST...CLOSER TO THE ILLINOIS RIVER VALLEY. RAIN WILL
BE MORE LIKE THE FARTHER SOUTHEAST OF THE ILLINOIS RIVER YOU GO.
THE BEST CHANCES FOR MEASURABLE SNOW WILL BE SUNDAY NIGHT...WITH 1
TO 3 INCHES OF SNOW POSSIBLE JUST SOUTHEAST OF THE ILLINOIS RIVER.
ANY LINGERING RAIN ON MONDAY WILL CHANGE TO SNOW DURING THE
AFTERNOON...AS COLD AIR ARRIVES ON BRISK NORTHWEST WINDS. ONLY
LIGHT ADDITIONAL SNOW ACCUMULATION IS EXPECTED MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

ILZ044>046-052>057-061>063-066>068-071>073-211200-
CHAMPAIGN-CHRISTIAN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND-DOUGLAS-
EDGAR-EFFINGHAM-JASPER-LAWRENCE-MACON-MOULTRIE-PIATT-RICHLAND-
SHELBY-VERMILION-
1035 AM CST SAT FEB 20 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS...EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A STRONG STORM SYSTEM IS EXPECTED TO SPREAD RAIN ACROSS CENTRAL
AND SOUTHEAST ILLINOIS SUNDAY. SOME LIGHT SNOW OR FREEZING RAIN
WILL BE POSSIBLE EARLY SUNDAY MORNING NORTH OF I-70 AT THE ONSET
OF PRECIPITATION. AREAS SOUTHEAST OF A LINE FROM SHELBYVILLE TO
CHAMPAIGN SHOULD SEE PRECIPITATION AS ALL RAIN BY MID DAY ON
SUNDAY...THROUGH MUCH OF THE NIGHT SUNDAY NIGHT. SNOW WILL BE
POSSIBLE SUNDAY NIGHT NORTH OF CHAMPAIGN TO DANVILLE...BUT ANY
ACCUMULATIONS SHOULD BE AN INCH OR LESS. ANY LINGERING RAIN ON
MONDAY WILL CHANGE TO SNOW DURING THE AFTERNOON...AS COLD AIR
ARRIVES ON BRISK NORTHWEST WINDS. LITTLE ADDITIONAL SNOW
ACCUMULATION IS EXPECTED MONDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

KH

In the hours before

Local storm report, Feb 20, 11:04 AM CST, 4 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LINCOLN IL
1104 AM CST SAT FEB 20 2010

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

1200 AM     SNOW             PEORIA                  40.74N 89.61W
02/20/2010  M1.4 INCH        PEORIA             IL   OFFICIAL NWS OBS

            TOTAL THROUGH MIDNIGHT.

1258 AM     SNOW             BLOOMINGTON             40.48N 88.97W
02/20/2010  M0.7 INCH        MCLEAN             IL   NWS EMPLOYEE

0114 AM     SNOW             ALTONA                  41.12N 90.16W
02/20/2010  M0.5 INCH        KNOX               IL   CO-OP OBSERVER

            LIGHT SLEET AT TIMES

0330 AM     SNOW             OGDEN                   40.12N 87.96W
02/20/2010  M0.8 INCH        CHAMPAIGN          IL   CO-OP OBSERVER

            LIGHT DRIZZLE AND SNOW MIX AT 4 AM.

0423 AM     SNOW             1 N ABINGDON            40.82N 90.40W
02/20/2010  M1.4 INCH        KNOX               IL   MESONET

            SNOWFALL IN PAST 8 HRS. SWOP REPORT

0545 AM     SNOW             CHILLICOTHE             40.92N 89.50W
02/20/2010  M1.0 INCH        PEORIA             IL   CO-OP OBSERVER

0600 AM     SNOW             GERMANTOWN HILLS        40.77N 89.47W
02/20/2010  M1.0 INCH        WOODFORD           IL   CO-OP OBSERVER

            24 HR SNOWFALL SINCE 6 AM

0700 AM     SNOW             3 SSE BRADFORD          41.14N 89.64W
02/20/2010  M1.0 INCH        MARSHALL           IL   CO-OP OBSERVER

            STORM TOTAL/24 HR TOTAL

0700 AM     SNOW             ST. DAVID               40.49N 90.05W
02/20/2010  M1.4 INCH        FULTON             IL   CO-OP OBSERVER

            24 HR SNOWFALL

0700 AM     SNOW             MORTON                  40.61N 89.47W
02/20/2010  M1.3 INCH        TAZEWELL           IL   CO-OP OBSERVER

            24 HR SNOWFALL WITH A LITTLE SLEET AND RAIN MIXED IN AT
            TIMES.

0800 AM     SNOW             5 NW PEORIA             40.80N 89.68W
02/20/2010  M1.5 INCH        PEORIA             IL   CO-OP OBSERVER

            24 HR SNOWFALL.

0843 AM     SNOW             EUREKA                  40.72N 89.28W
02/20/2010  E1.3 INCH        WOODFORD           IL   MESONET

            NEW SNOWFALL OVER THE PAST 12 HRS. SWOP REPORT.

&&

THE TOTALS BELOW ARE SEPARATED INTO SNOW...AND ICE AND SLEET
CATEGORIES...THEN BY AMOUNT...AND ARE NOT NECESSARILY THE
FINAL AMOUNT FOR EACH LOCATION.

SNOW REPORTS LISTED BY AMOUNT...

 INCHES  LOCATION             COUNTY       TIME
 ------  -------------------  -----------  -------
  1.50   5 NW PEORIA          PEORIA       0800 AM
  1.40   ST. DAVID            FULTON       0700 AM
  1.40   1 N ABINGDON         KNOX         0423 AM
  1.40   PEORIA               PEORIA       1200 AM
  1.30   EUREKA               WOODFORD     0843 AM
  1.30   MORTON               TAZEWELL     0700 AM
  1.00   3 SSE BRADFORD       MARSHALL     0700 AM
  1.00   GERMANTOWN HILLS     WOODFORD     0600 AM
  1.00   CHILLICOTHE          PEORIA       0545 AM
  0.80   OGDEN                CHAMPAIGN    0330 AM
  0.70   BLOOMINGTON          MCLEAN       1258 AM
  0.50   ALTONA               KNOX         0114 AM

TLG

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 3:29 AM CSTWinter Storm WatchILXFulton, Knox, Marshall, Peoria, Schuyler, Stark12 hr

Nearby

Winter Storm Warnings in Illinois, 2010Every winter storm warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.