Alert archive / Illinois / Winter Storm Warnings in 2010
Winter Storm Warning 4, NWS Lincoln, IL
NWS Lincoln, IL issued this winter storm warning at Dec 4, 2010, 12:18 AM CST for 6 counties in Illinois. It was in force for 18 hr. 60 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
- Dec 4, 2010, 12:18 AM CST (06:18 UTC)
- Expired
- Dec 4, 2010, 6:00 PM CST
- In force
- 18 hr
- Issued by
- NWS Lincoln, IL
Counties Champaign County, IL, Marshall County, IL, McLean County, IL, Piatt County, IL, Vermilion County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 66 km from the middle of the area, began a volume at 06:21 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 4, 12:30 AM CST | SNOW 3.9 | Homer, IL | MEASURED 3.9 INCHES OF SNOW WITH 1 INCH IN THE PAST 1.5 HOURS. STILL SNOWING OUT. |
| Dec 4, 12:36 AM CST | SNOW 4.4 | Champaign, IL | MEASURED 4.4 INCHES OF SNOW IN THE PAST 5 HOURS. STILL SNOWING OUT. |
| Dec 4, 1:00 AM CST | SNOW 5.2 | Mahomet, IL | MEASURED 5.2 INCHES OF SNOW IN THE PAST 6 HOURS. MODERATE SNOW IS CURRENTLY FALLING. |
| Dec 4, 1:00 AM CST | HEAVY SNOW 6.5 | Champaign, IL | MEASURED 6.5 INCHES OF SNOW WITH 1.5 INCHES OVER THE PAST 1 HOUR. MODERATE SNOW CURRENTLY FALLING. |
| Dec 4, 1:20 AM CST | HEAVY SNOW 5.5 | 5 E Urbana, IL | MEASURED 5.5 INCHES OF SNOW AND CURRENTLY GETTING MODERATE SNOW. |
| Dec 4, 1:40 AM CST | SNOW 3.5 | 3 Sw Bloomington, IL | |
| Dec 4, 1:42 AM CST | SNOW 4.8 | Henry, IL | MEASURED 4.8 INCHES OF SNOW IN THE PAST 8 HOURS. STILL GETTING LIGHT SNOW. |
| Dec 4, 2:00 AM CST | HEAVY SNOW 7.5 | Champaign, IL | MEASURED 7.5 INCHES OF SNOW WITH 1 INCH IN THE PAST HOUR. SNOW INSTENSITY IS DIMINISHING BUT STILL REPORTING LIGHT SNOW. |
| Dec 4, 2:40 AM CST | HEAVY SNOW 7.5 | Urbana, IL | MEASURED 7.5 INCHES OF SNOW WITH 1.8 INCHES IN THE PAST 3 HOURS. CURRENTLY GETTING LIGHT SNOW. |
| Dec 4, 3:00 AM CST | HEAVY SNOW 8 | Champaign, IL | MEASURED 8 INCHES OF SNOW WITH A HALF INCH IN THE PAST HOUR. CURRENTLY GETTING LIGHT SNOW. |
| Dec 4, 3:49 AM CST | SNOW 2.4 | 2 N Homer, IL | STORM TOTAL 6.3...SNOW DEPTH 6.0 |
| Dec 4, 3:49 AM CST | SNOW 5.5 | Ogden, IL | 1/4 MILE VISIBILITY WITH LIGHT TO MODERATE SNOW FALL CONTINUING. |
| Dec 4, 5:30 AM CST | SNOW 3 | Danville, IL | SNOW FALL PAST 12 HOURS. |
| Dec 4, 5:57 AM CST | SNOW 6.6 | Ogden, IL | |
| Dec 4, 6:00 AM CST | SNOW 1.9 | 9 Nnw Danville, IL | COCORAHS REPORT |
| Dec 4, 6:00 AM CST | SNOW 3.4 | 3 Wsw Bloomington, IL | COCORAHS REPORT |
| Dec 4, 6:00 AM CST | SNOW 4 | 5 W Bloomington, IL | |
| Dec 4, 6:00 AM CST | SNOW 4 | Bloomington, IL | |
| Dec 4, 6:00 AM CST | SNOW 5.2 | 4 Ne Normal, IL | |
| Dec 4, 6:00 AM CST | HEAVY SNOW 8.4 | 2 Se Champaign, IL | COCORAHS REPORT |
| Dec 4, 6:17 AM CST | SNOW 1.3 | Eureka, IL | STORM SNOW TOTAL 5.8 INCHES...SNOW DEPTH 6 INCHES |
| Dec 4, 7:00 AM CST | SNOW 2.8 | 2 S Stanford, IL | |
| Dec 4, 7:00 AM CST | SNOW 3 | 1 Sw Hoopeston, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | SNOW 3.4 | 4 Ssw Le Roy, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | SNOW 4.7 | 2 Ese Normal, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | HEAVY SNOW 4.8 | 2 W Bloomington, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | SNOW 5.5 | Fisher, IL | |
| Dec 4, 7:00 AM CST | HEAVY SNOW 6 | 2 Nne Mahomet, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | SNOW 6 | 3 Sse Bradford, IL | |
| Dec 4, 7:00 AM CST | HEAVY SNOW 6.2 | 4 Ssw Champaign, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | HEAVY SNOW 6.2 | 4 W Ludlow, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | HEAVY SNOW 6.6 | 2 Wsw Champaign, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | HEAVY SNOW 6.6 | Philo, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | SNOW 7 | 2 N Saybrook, IL | |
| Dec 4, 7:00 AM CST | HEAVY SNOW 7 | 4 Sse Champaign, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | SNOW 7.4 | Roanoke, IL | |
| Dec 4, 7:00 AM CST | HEAVY SNOW 8 | 2 Nnw Champaign, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | HEAVY SNOW 8.5 | 1 Sw Champaign, IL | COCORAHS REPORT |
| Dec 4, 7:00 AM CST | HEAVY SNOW 9 | 1 Sse Urbana, IL | STORM TOTAL. COCORAHS REPORT |
| Dec 4, 7:23 AM CST | SNOW 7.5 | 1 N Savoy, IL | |
| Dec 4, 7:30 AM CST | SNOW 4 | 3 Wsw Mansfield, IL | COCORAHS REPORT |
| Dec 4, 7:30 AM CST | SNOW 4.3 | Minonk, IL | |
| Dec 4, 7:30 AM CST | SNOW 5.6 | Eureka, IL | |
| Dec 4, 7:30 AM CST | SNOW 6.5 | Mahomet, IL | |
| Dec 4, 7:30 AM CST | HEAVY SNOW 6.7 | 2 Se Homer, IL | COCORAHS REPORT |
| Dec 4, 7:30 AM CST | SNOW 7 | Chenoa, IL | |
| Dec 4, 7:42 AM CST | SNOW 0.2 | Eureka, IL | SNOW FALL PAST 2 HOURS. SNOW STORM TOTAL 6.0 INCHES |
| Dec 4, 7:45 AM CST | HEAVY SNOW 6.9 | 2 N Homer, IL | COCORAHS REPORT |
| Dec 4, 8:00 AM CST | SNOW 2.3 | 1 E Heyworth, IL | COCORAHS REPORT |
| Dec 4, 8:00 AM CST | SNOW 4.6 | 2 Nw Congerville, IL | |
| Dec 4, 8:00 AM CST | SNOW 5.2 | 3 Ne Bloomington, IL | |
| Dec 4, 8:00 AM CST | HEAVY SNOW 6.2 | 1 Ssw St. Joseph, IL | COCORAHS REPORT |
| Dec 4, 8:00 AM CST | HEAVY SNOW 7.6 | 1 N Sidney, IL | COCORAHS REPORT |
| Dec 4, 8:00 AM CST | SNOW 7.7 | Urbana, IL | |
| Dec 4, 8:02 AM CST | SNOW 0.6 | 2 N Homer, IL | SNOW STORM TOTAL 6.9 INCHES |
| Dec 4, 8:30 AM CST | SNOW 4 | 4 Nne White Heath, IL | COCORAHS REPORT |
| Dec 4, 8:30 AM CST | HEAVY SNOW 5.5 | Arrowsmith, IL | STORM TOTAL. COCORAHS REPORT |
| Dec 4, 8:34 AM CST | SNOW 4.5 | 3 W Bismarck, IL | |
| Dec 4, 10:00 AM CST | HEAVY SNOW 7.2 | Sparland, IL | STORM TOTAL. STILL SNOWING. |
| Dec 4, 11:00 AM CST | SNOW 4.6 | Danville, IL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 6.3 hours before the alert went out and 33 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1391 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 316 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
882 WWUS43 KILX 040618 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 1218 AM CST SAT DEC 4 2010 ...ACCUMULATING SNOWS ACROSS PARTS OF CENTRAL AND EAST CENTRAL ILLINOIS OVERNIGHT AND SATURDAY... ILZ030-031-038-044>046-041430- /O.UPG.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ /O.NEW.KILX.WS.W.0004.101204T0618Z-101205T0000Z/ MARSHALL-WOODFORD-MCLEAN-PIATT-CHAMPAIGN-VERMILION- INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...CHAMPAIGN... URBANA...DANVILLE 1218 AM CST SAT DEC 4 2010 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...PERIODS OF SNOW WILL PERSIST OVERNIGHT...AND CONTINUE AT TIMES INTO SATURDAY. * ACCUMULATIONS...WILL RANGE FROM 4 TO 7 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE NORTH OF INTERSTATE 74 BY SATURDAY MORNING. * WIND...NOT EXPECTED TO BE A PROBLEM WITH THIS EVENT. IT LOOKS AS IF WINDS WILL BE 10 MPH OR LESS THROUGH SATURDAY FROM THE EAST AND THEN SHIFT INTO THE NORTHEAST AND NORTH SATURDAY. * IMPACTS...SNOWS WILL PRODUCE LOW VISIBILITIES WITH UNTREATED ROADWAYS BECOMING SNOW COVERED AND SLIPPERY. 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. && $$ ILZ027>029-037-041430- /O.CON.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ KNOX-STARK-PEORIA-TAZEWELL- INCLUDING THE CITIES OF...GALESBURG...PEORIA 1218 AM CST SAT DEC 4 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. * TIMING...PERIODS OF SNOW WILL PERSIST OVERNIGHT...AND CONTINUE AT TIMES INTO SATURDAY. * ACCUMULATIONS...WILL RANGE FROM 2 TO 5 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE NORTH OF INTERSTATE 74 BY SATURDAY MORNING. * WIND...NOT EXPECTED TO BE A PROBLEM WITH THIS EVENT. IT LOOKS AS IF WINDS WILL BE 10 MPH OR LESS THROUGH SATURDAY FROM THE EAST AND THEN SHIFT INTO THE NORTHEAST AND NORTH SATURDAY. * IMPACTS...LIGHT TO MODERATE SNOWS WILL PRODUCE LOW VISIBILITIES WITH UNTREATED ROADWAYS BECOMING SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ ILZ043-055>057-041430- /O.CON.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ DE WITT-DOUGLAS-COLES-EDGAR- INCLUDING THE CITIES OF...CHARLESTON...MATTOON 1218 AM CST SAT DEC 4 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...PERIODS OF SNOW WILL PERSIST OVERNIGHT...AND CONTINUE AT TIMES INTO SATURDAY. * ACCUMULATIONS...RANGING FROM 2 TO 5 INCHES...WITH LOCALLY HIGHER AMOUNTS FURTHER NORTH CLOSER TO INTERSTATE 74. * WIND...NOT A SIGNIFICANT IMPACT AS EAST WINDS WILL AVERAGE LESS THAN 10 MPH OVERNIGHT...WITH WINDS SWITCHING INTO THE NORTH AT 10 MPH OR LESS ON SATURDAY. * IMPACTS...LIGHT TO MODERATE SNOW WILL PRODUCE LOW VISIBILITIES AT TIMES WITH UNTREATED ROADWAYS BECOMING SNOW COVERED AND SLIPPERY. 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 LATE TONIGHT AND ESPECIALLY SATURDAY MORNING BEFORE TEMPERATURES RISE ABOVE THE FREEZING MARK. && $$ BAK
5 follow-up statements
651 WWUS43 KILX 040946 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 346 AM CST SAT DEC 4 2010 ...MORE ACCUMULATING SNOWS ACROSS PARTS OF CENTRAL AND EAST CENTRAL ILLINOIS TODAY... ILZ030-031-038-044>046-041615- /O.CON.KILX.WS.W.0004.000000T0000Z-101205T0000Z/ MARSHALL-WOODFORD-MCLEAN-PIATT-CHAMPAIGN-VERMILION- INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...CHAMPAIGN... URBANA...DANVILLE 346 AM CST SAT DEC 4 2010 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL PERSIST THIS MORNING...AND DIMINISH IN THE AFTERNOON. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 2 INCHES WILL OCCUR TODAY...GIVING A STORM TOTAL OF 5 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE ALONG AND NORTHEAST OF I-74. * WIND...NORTH WINDS WILL INCREASE TO 10 TO 20 MPH THIS AFTERNOON AND COULD CAUSE SOME BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS. * IMPACTS...SNOWS WILL PRODUCE LOW VISIBILITIES DOWN TO A MILE AT TIMES THIS MORNING WITH UNTREATED ROADWAYS BEING SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ ILZ027>029-037-041615- /O.CON.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ KNOX-STARK-PEORIA-TAZEWELL- INCLUDING THE CITIES OF...GALESBURG...PEORIA 346 AM CST SAT DEC 4 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...PERIODS OF LIGHT SNOW WILL CONTINUE THIS MORNING... AND DIMINISH DURING THE AFTERNOON. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL BE UP TO 1 INCH...GIVING A STORM TOTAL OF 2 TO 6 INCHES WITH THE HIGHEST AMOUNTS NORTHEAST OF I-74. * WIND...NORTH WINDS INCREASING TO 10 TO 20 MPH THIS AFTERNOON COULD CAUSING SOME BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS. * IMPACTS...LIGHT SNOWS WILL REDUCE VISIBILITIES DOWN TO A MILE AT TIMES THIS MORNING...WITH UNTREATED ROADWAYS BEING SNOW COVERED AND SLIPPERY. 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. && $$ ILZ043-055>057-041615- /O.CON.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ DE WITT-DOUGLAS-COLES-EDGAR- INCLUDING THE CITIES OF...CHARLESTON...MATTOON 346 AM CST SAT DEC 4 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. * TIMING...PERIODS OF LIGHT SNOW WILL PERSIST THIS MORNING...AND DIMINISH DURING THE AFTERNOON. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS AROUND 1 INCH WILL OCCUR THIS MORNING...GIVING A STORM TOTAL OF 2 TO 5 INCHES NORTHEAST OF CHARLESTON/MATTOON. * WIND...NORTH WINDS INCREASING TO 10 TO 20 MPH THIS AFTERNOON COULD CAUSE SOME BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS. * IMPACTS...LIGHT SNOW WILL REDUCE VISIBILITIES DOWN TO A MILE AT TIMES THIS MORNING...WITH UNTREATED ROADWAYS BEING SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING LATE TONIGHT AND ESPECIALLY SATURDAY MORNING BEFORE TEMPERATURES RISE ABOVE THE FREEZING MARK. && $$ HUETTL
221 WWUS43 KILX 041553 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 953 AM CST SAT DEC 4 2010 ...MORE ACCUMULATING SNOWS ACROSS PARTS OF CENTRAL AND EAST CENTRAL ILLINOIS TODAY... ILZ030-031-038-044>046-042130- /O.CON.KILX.WS.W.0004.000000T0000Z-101205T0000Z/ MARSHALL-WOODFORD-MCLEAN-PIATT-CHAMPAIGN-VERMILION- INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...CHAMPAIGN... URBANA...DANVILLE 953 AM CST SAT DEC 4 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...PERIODS OF LIGHT TO MODERATE SNOW WILL BEGIN DIMINISHING BY MID AFTERNOON. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF A HALF TO 1 INCH ARE LIKELY THROUGH THIS AFTERNOON...GIVING A STORM TOTAL OF 5 TO 9 INCHES. LOCALLY HIGHER AMOUNTS WILL BE FOUND ALONG AND NORTHEAST OF I-74. * WIND...NORTH WINDS WILL INCREASE TO 10 TO 20 MPH THIS AFTERNOON AND COULD CAUSE SOME BLOWING AND DRIFTING SNOW...ESPECIALLY IN OPEN AREAS. * IMPACTS...VISIBILITIES DOWN TO A MILE AT TIMES WILL OCCUR THROUGH EARLY AFTERNOON...IN THE HEAVIER SNOW BANDS. UNTREATED ROADWAYS WILL BE SNOW COVERED AND SLIPPERY. WITH TEMPERATURES NEAR FREEZING...ROADS PREVIOUSLY TREATED MAY BECOME ICY AGAIN AS SNOW MELTS AND THEN FREEZES AGAIN. 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. && $$ ILZ027>029-037-042130- /O.CON.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ KNOX-STARK-PEORIA-TAZEWELL- INCLUDING THE CITIES OF...GALESBURG...PEORIA 953 AM CST SAT DEC 4 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. * TIMING...PERIODS OF LIGHT SNOW WILL CONTINUE INTO EARLY AFTERNOON...BEFORE DIMINISHING. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL BE UP TO HALF AN INCH...GIVING A STORM TOTAL OF 3 TO 6 INCHES WITH THE HIGHEST AMOUNTS NORTHEAST OF I-74. * WIND...NORTH WINDS INCREASING TO 10 TO 20 MPH THIS AFTERNOON COULD CAUSING SOME BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS. * IMPACTS...LIGHT SNOWS WILL REDUCE VISIBILITIES DOWN TO A MILE AT TIMES THROUGH EARLY AFTERNOON...WITH UNTREATED ROADWAYS BEING SNOW COVERED AND SLIPPERY. WITH TEMPERATURES NEAR FREEZING...ROADS PREVIOUSLY TREATED MAY BECOME ICY AGAIN AS SNOW MELTS AND THEN FREEZES AGAIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ ILZ043-055>057-042130- /O.CON.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ DE WITT-DOUGLAS-COLES-EDGAR- INCLUDING THE CITIES OF...CHARLESTON...MATTOON 953 AM CST SAT DEC 4 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...PERIODS OF LIGHT SNOW WILL PERSIST INTO MID AFTERNOON...BEFORE DIMINISHING. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL ONLY BE AROUND HALF AN INCH OR LESS...GIVING A STORM TOTAL OF 2 TO 5 INCHES NORTHEAST OF CHARLESTON/MATTOON. * WIND...NORTH WINDS INCREASING TO 10 TO 20 MPH THIS AFTERNOON COULD CAUSE SOME BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS. * IMPACTS...UNTREATED ROADWAYS WILL BE SNOW COVERED AND SLIPPERY. WITH TEMPERATURES NEAR FREEZING...ROADS PREVIOUSLY TREATED MAY BECOME ICY AGAIN AS SNOW MELTS AND THEN FREEZES AGAIN. 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 LATE TONIGHT AND ESPECIALLY SATURDAY MORNING BEFORE TEMPERATURES RISE ABOVE THE FREEZING MARK. && $$ GEELHART
941 WWUS43 KILX 042047 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 247 PM CST SAT DEC 4 2010 ...FIRST SIGNIFICANT SNOWFALL OF THE SEASON TO DIMINISH BY EARLY EVENING... ILZ030-031-038-044>046-050000- /O.CON.KILX.WS.W.0004.000000T0000Z-101205T0000Z/ MARSHALL-WOODFORD-MCLEAN-PIATT-CHAMPAIGN-VERMILION- INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...CHAMPAIGN... URBANA...DANVILLE 247 PM CST SAT DEC 4 2010 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. * TIMING...LINGERING LIGHT SNOW WILL CONTINUE THE REMAINDER OF THE AFTERNOON...BEFORE DIMINISHING TO FLURRIES THIS EVENING. * ACCUMULATIONS...ADDITIONAL SNOW AMOUNTS WILL BE MINOR...GENERALLY AROUND A QUARTER INCH. SNOW TOTALS FROM THIS STORM HAVE RANGED FROM 5 TO 9 INCHES...HIGHEST AROUND CHAMPAIGN AND ALSO NORTHEAST OF PEORIA. * WIND...NORTHEAST WINDS WILL BECOME NORTHWEST AND GUST TO AROUND 25 MPH LATE THIS AFTERNOON. THIS COULD CAUSE SOME BLOWING AND DRIFTING SNOW...ESPECIALLY IN OPEN AREAS. * IMPACTS...VISIBILITIES DOWN TO A MILE AT TIMES WILL OCCUR THROUGH LATE AFTERNOON...IN THE HEAVIER SNOW BANDS. UNTREATED ROADWAYS WILL BE SNOW COVERED AND SLIPPERY. WITH TEMPERATURES NEAR FREEZING...ROADS PREVIOUSLY TREATED MAY BECOME ICY AGAIN AS SNOW MELTS AND THEN FREEZES AGAIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ ILZ027>029-037-050000- /O.CON.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ KNOX-STARK-PEORIA-TAZEWELL- INCLUDING THE CITIES OF...GALESBURG...PEORIA 247 PM CST SAT DEC 4 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...LIGHT SNOW WILL BEGIN DIMINISHING TO FLURRIES AROUND SUNSET. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL BE MINOR... GENERALLY LESS THAN A QUARTER INCH. SNOW TOTALS FROM THIS STORM HAVE BEEN OVER 3 INCHES ALONG AND NORTH OF I-74...RANGING UP TO 6 INCHES OR MORE NORTHEAST OF PEORIA. SNOW AMOUNTS TAPER OFF SHARPLY SOUTH OF I-74. * WIND...NORTHWEST WINDS WILL GUST TO AROUND 25 MPH THE REMAINDER OF THE AFTERNOON. THIS COULD CAUSE SOME BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS. * IMPACTS...LIGHT SNOWS WILL REDUCE VISIBILITIES DOWN TO A MILE AT TIMES THROUGH LATE AFTERNOON...WITH UNTREATED ROADWAYS BEING SNOW COVERED AND SLIPPERY. WITH TEMPERATURES NEAR FREEZING...ROADS PREVIOUSLY TREATED MAY BECOME ICY AGAIN AS SNOW MELTS AND THEN FREEZES AGAIN. 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. && $$ ILZ043-055>057-050000- /O.CON.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ DE WITT-DOUGLAS-COLES-EDGAR- INCLUDING THE CITIES OF...CHARLESTON...MATTOON 247 PM CST SAT DEC 4 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. * TIMING...PERIODS OF LIGHT SNOW WILL PERSIST INTO MID AFTERNOON...BEFORE DIMINISHING. SOME PATCHES OF FREEZING DRIZZLE MAY ALSO OCCUR AROUND MATTOON AND PARIS. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL ONLY BE AROUND HALF AN INCH OR LESS...GIVING A STORM TOTAL OF 2 TO 5 INCHES. THE HIGHEST TOTALS ARE FOUND ALONG A LINE FROM FARMER CITY SOUTHEAST TO CHRISMAN. * WIND...NORTH WINDS OF 0 TO 20 MPH THIS AFTERNOON COULD CAUSE SOME BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS. * IMPACTS...UNTREATED ROADWAYS WILL BE SNOW COVERED AND SLIPPERY. WITH TEMPERATURES NEAR FREEZING...ROADS PREVIOUSLY TREATED MAY BECOME ICY AGAIN AS SNOW MELTS AND THEN FREEZES AGAIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING LATE TONIGHT AND ESPECIALLY SATURDAY MORNING BEFORE TEMPERATURES RISE ABOVE THE FREEZING MARK. && $$ GEELHART
773 WWUS43 KILX 042057 CCA WSWILX URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE LINCOLN IL 257 PM CST SAT DEC 4 2010 CORRECTED LAST FORECAST GROUP ...FIRST SIGNIFICANT SNOWFALL OF THE SEASON TO DIMINISH BY EARLY EVENING... ILZ030-031-038-044>046-050000- /O.CON.KILX.WS.W.0004.000000T0000Z-101205T0000Z/ MARSHALL-WOODFORD-MCLEAN-PIATT-CHAMPAIGN-VERMILION- INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...CHAMPAIGN... URBANA...DANVILLE 257 PM CST SAT DEC 4 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...LINGERING LIGHT SNOW WILL CONTINUE THE REMAINDER OF THE AFTERNOON...BEFORE DIMINISHING TO FLURRIES THIS EVENING. * ACCUMULATIONS...ADDITIONAL SNOW AMOUNTS WILL BE MINOR...GENERALLY AROUND A QUARTER INCH. SNOW TOTALS FROM THIS STORM HAVE RANGED FROM 5 TO 9 INCHES...HIGHEST AROUND CHAMPAIGN AND ALSO NORTHEAST OF PEORIA. * WIND...NORTHEAST WINDS WILL BECOME NORTHWEST AND GUST TO AROUND 25 MPH LATE THIS AFTERNOON. THIS COULD CAUSE SOME BLOWING AND DRIFTING SNOW...ESPECIALLY IN OPEN AREAS. * IMPACTS...VISIBILITIES DOWN TO A MILE AT TIMES WILL OCCUR THROUGH LATE AFTERNOON...IN THE HEAVIER SNOW BANDS. UNTREATED ROADWAYS WILL BE SNOW COVERED AND SLIPPERY. WITH TEMPERATURES NEAR FREEZING...ROADS PREVIOUSLY TREATED MAY BECOME ICY AGAIN AS SNOW MELTS AND THEN FREEZES AGAIN. 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. && $$ ILZ027>029-037-050000- /O.CON.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ KNOX-STARK-PEORIA-TAZEWELL- INCLUDING THE CITIES OF...GALESBURG...PEORIA 257 PM CST SAT DEC 4 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. * TIMING...LIGHT SNOW WILL BEGIN DIMINISHING TO FLURRIES AROUND SUNSET. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL BE MINOR... GENERALLY LESS THAN A QUARTER INCH. SNOW TOTALS FROM THIS STORM HAVE BEEN OVER 3 INCHES ALONG AND NORTH OF I-74...RANGING UP TO 6 INCHES OR MORE NORTHEAST OF PEORIA. SNOW AMOUNTS TAPER OFF SHARPLY SOUTH OF I-74. * WIND...NORTHWEST WINDS WILL GUST TO AROUND 25 MPH THE REMAINDER OF THE AFTERNOON. THIS COULD CAUSE SOME BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS. * IMPACTS...LIGHT SNOWS WILL REDUCE VISIBILITIES DOWN TO A MILE AT TIMES THROUGH LATE AFTERNOON...WITH UNTREATED ROADWAYS BEING SNOW COVERED AND SLIPPERY. WITH TEMPERATURES NEAR FREEZING...ROADS PREVIOUSLY TREATED MAY BECOME ICY AGAIN AS SNOW MELTS AND THEN FREEZES AGAIN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ ILZ043-055>057-050000- /O.COR.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ DE WITT-DOUGLAS-COLES-EDGAR- INCLUDING THE CITIES OF...CHARLESTON...MATTOON 257 PM CST SAT DEC 4 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...PERIODS OF LIGHT SNOW WILL PERSIST INTO MID AFTERNOON...BEFORE DIMINISHING. SOME PATCHES OF FREEZING DRIZZLE MAY ALSO OCCUR AROUND MATTOON AND PARIS. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL ONLY BE AROUND HALF AN INCH OR LESS...GIVING A STORM TOTAL OF 2 TO 5 INCHES. THE HIGHEST TOTALS ARE FOUND ALONG A LINE FROM FARMER CITY SOUTHEAST TO CHRISMAN. * WIND...NORTH WINDS OF 10 TO 20 MPH THIS AFTERNOON COULD CAUSE SOME BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS. * IMPACTS...UNTREATED ROADWAYS WILL BE SNOW COVERED AND SLIPPERY. WITH TEMPERATURES NEAR FREEZING...ROADS PREVIOUSLY TREATED MAY BECOME ICY AGAIN AS SNOW MELTS AND THEN FREEZES AGAIN. 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 LATE TONIGHT AND ESPECIALLY SATURDAY MORNING BEFORE TEMPERATURES RISE ABOVE THE FREEZING MARK. && $$ GEELHART
258 WWUS43 KILX 042215 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 415 PM CST SAT DEC 4 2010 ILZ030-031-038-044>046-042315- /O.CAN.KILX.WS.W.0004.000000T0000Z-101205T0000Z/ MARSHALL-WOODFORD-MCLEAN-PIATT-CHAMPAIGN-VERMILION- INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...CHAMPAIGN... URBANA...DANVILLE 415 PM CST SAT DEC 4 2010 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LINCOLN HAS CANCELLED THE WINTER STORM WARNING. ALTHOUGH LIGHT SNOW WILL CONTINUE ON AND OFF THROUGH EARLY THIS EVENING...THE THREAT FOR ADDITIONAL HEAVY SNOWFALL HAS ENDED. $$ ILZ027>029-037-043-055>057-042315- /O.CAN.KILX.WW.Y.0008.000000T0000Z-101205T0000Z/ KNOX-STARK-PEORIA-TAZEWELL-DE WITT-DOUGLAS-COLES-EDGAR- INCLUDING THE CITIES OF...GALESBURG...PEORIA...CHARLESTON... MATTOON 415 PM CST SAT DEC 4 2010 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LINCOLN HAS CANCELLED THE WINTER WEATHER ADVISORY. ALTHOUGH LIGHT SNOW WILL CONTINUE ON AND OFF THROUGH EARLY THIS EVENING...THE THREAT FOR ADDITIONAL ACCUMULATIONS HAS ENDED. $$ SMITH
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 Dec 3, 11:50 PM CST, 28 minutes earlier.
Area forecast discussion, Dec 3, 11:50 PM CST, 28 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LINCOLN IL 1150 PM CST FRI DEC 3 2010 .DISCUSSION... ISSUED 848 PM CST FRI DEC 3 2010 FAIRLY PERSISTENT BAND OF SNOW EXTENDS FROM KNOX COUNTY IN THE EXTREME NORTHWEST PORTION OF THE FORECAST AREA TO EDGAR COUNTY IN THE EXTREME EASTERN SECTION OF THE FORECAST AREA. THIS BAND HAS NOT MOVED TOO MUCH IN THE PAST FEW HOURS...THOUGH THE HEAVIER SNOWS HAVE PUSHED NORTH OF THE PEORIA METRO AREA. THIS BAND OF SNOW APPEARS TO BE ASSOCIATED WITH AN AREA OF STRONG ISENTROPIC ASCENT...COUPLED WITH STRONG MID LEVEL FRONTOGENESIS. UPPER DIVERGENCE ASSOCIATED WITH THE EXIT REGION OF A 120 KT UPPER JET IS ALSO CO LOCATED WITH THIS OTHER FORCING. SOUTH OF THE MAIN BAND OF SNOW DRIER LOW LEVEL AIR HAS BEEN HOLDING TOUGH...PARTLY A RESULT OF WEAKER FORCING IN THIS AREA AND THE ASSOCIATED SLOWER MOISTENING OF THE ATMOSPHERIC COLUMN. MOST FORECAST MODELS STILL SUGGEST THIS AREA OF FORCING/SNOW WILL SHIFT NORTH/EAST OF THE FORECAST AREA LATER TONIGHT...LIKELY PROVIDING A BIT OF A BREAK IN THE SNOWFALL. SNOWS WILL DEVELOP AGAIN BY SATURDAY MORNING AS THE VORT MAX ASSOCIATED WITH THE CLIPPER SYSTEM...CURRENTLY IN THE DAKOTAS...DRAWS CLOSER. HAVE ALREADY ISSUED A PREVIOUS UPDATE TO BOOST SNOW TOTALS UNDER THE HEAVIER SNOW BAND...AND AN ADDITIONAL UPWARD TWEAK APPEARS TO BE NEEDED. PLAN ON MAKING A FEW OTHER ADJUSTMENTS TO THE OVERNIGHT FORECAST FOR THE LATEST TRENDS...BUT THEY WILL BE RATHER MINOR. BAK && .AVIATION... ISSUED 1150 PM CST FRI DEC 3 2010 BAND OF HEAVIER SNOW THAT IMPACTED KPIA/KBMI/KCMI FOR MUCH OF THE NIGHT HAS GRADUALLY SHIFTED NORTH/EAST OF THE AREA. KSPI AND KDEC HAVE REMAINED DRY THUS FAR TONIGHT. A CLIPPER SYSTEM WILL MOVE THROUGH THE CENTRAL ILLINOIS TERMINALS SATURDAY BRINGING A RENEWED THREAT FOR SNOW...ESPECIALLY ACROSS KPIA/KBMI/KCMI. UNTIL THE CLIPPER GETS HERE...CIG/VSBY FORECAST IS PRETTY TRICKY AS CONDITIONS CURRENTLY RANGE FROM IFR TO VFR. THIS IS EVEN TRUE AT KSPI/KDEC DESPITE THE FACT THAT NO SNOW HAS FALLEN THERE. WHILE CONDITIONS MAY BE VFR OR MVFR FOR A TIME TONIGHT...THE OVERALL TREND SHOULD BE TOWARD IFR BY SATURDAY MORNING AS THE CLIPPER APPROACHES. ONCE CONDITIONS DROP THEY SHOULD LARGELY STAY THERE UNTIL THE CLIPPER PULLS EAST OF THE AREA LATE SATURDAY AFTERNOON/EVENING AND SOMEWHAT DRIER LOW LEVEL AIR BEGINS TO FILTER INTO THE AREA. WINDS WILL PREDOMINANTLY BE EAST OR SOUTHEAST AOB 10 KTS TONIGHT. THEY WILL GRADUALLY BACK NORTHERLY AS THE CLIPPER PASSES BY SATURDAY AFTERNOON. WIND SPEEDS WILL ALSO PICK UP IN THE WAKE OF THE CLIPPER. BAK && .PREV DISCUSSION... ISSUED 229 PM CST FRI DEC 3 2010 SHORT TERM...TONIGHT THROUGH MONDAY NIGHT TRACK OF CLIPPER SYSTEM AND WHERE THE ACCUMULATING SNOWS WILL SETUP OVERNIGHT INTO SATURDAY THE MAIN FORECAST CHALLENGE. SFC LOW PRESSURE OVER NRN NEBRASKA WILL TRACK SE INTO MO BY TMRW MRNG...AND THEN SOUTH OF THE OHIO RIVER DURING THE DAY. LOW LEVEL WARM ADVECTION AHEAD OF THE WAVE HAS PRODUCED AN AREA OF LIGHT TO MODERATE SNOW ACRS SRN MN INTO NRN IOWA...WHICH WAS SHIFTING SE. EXPECT THE SNOW TO INCREASE IN COVERAGE ACRS OUR NW THIS EVENING AND THEN SPREAD SE ACRS ABOUT THE NE HALF OF THE FORECAST AREA OVERNIGHT INTO SATURDAY. FORECAST SOUNDINGS STILL NOT SHOWING A REAL IMPRESSIVE OR PERSISTENT SNOW GROWTH REGION WHEN THE BEST LIFT MOVES ACRS THE FORECAST AREA LATE TNT AND ESP SATURDAY MRNG. THE NAM-WRF HAS SHIFTED A BIT FURTHER SOUTH WITH THE VORT AND MAIN SNOW AXIS BUT AM INCLINED TO FOLLOW THE MORE CONSISTENT ECMWF ECMWF...WHICH KEEPS THE SHEARED VORT AND HEAVIEST SNOWS JUST TO OUR NORTH... CLOSER TO THE I-80 CORRIDOR. STILL THINKING ABOUT 1 TO 3 INCHES WITH THE HEAVIER AMOUNTS NORTH OF A PARIS TO CANTON LINE. MAY SEE SOME ISOLD 4 INCH AMOUNTS CLOSE TO LACON AND WYOMING EAST TO JUST NORTH OF CHAMPAIGN AND RANTOUL BY SATURDAY AFTN. AS THE SFC WAVE AND UPPER SUPPORT SHIFTS WELL TO OUR SOUTH SATURDAY AFTN...LOOK FOR THE SNOW TO TAPER OFF TO FLURRIES FROM NW TO SE WITH LITTLE IN THE WAY OF ADDL ACCUMULATIONS. CANADIAN HIGH PRESSURE WILL THEN SETTLE OVER THE REGION FOR THE REST OF THE WEEKEND BRINGING DRY AND UNSEASONABLY COLD WEATHER TO THE REGION. OVERNIGHT LOW TEMPS BY MONDAY MRNG MAY DIP INTO THE SINGLE DIGITS...ESPECIALLY ACRS THE NORTH WHERE THERE WILL BE A LIGHT SNOW COVER. LONG TERM...TUESDAY THROUGH FRIDAY STRONG NEGATIVE NAO/AO PATTERN TO PRODUCE BELOW NORMAL TEMPERATURES THROUGH A GOOD PORTION OF THE NEW WORK WEEK. WE MAY SEE SOME TEMPORARY MODIFICATION IN THE NUMBERS AFTER WED AS HEIGHTS INCREASE ACRS THE MIDWEST...BUT ENSEMBLES SUGGEST THE UPPER FLOW WILL BECOME NWLY AGAIN TWDS NEXT WEEKEND WITH THE LATEST ECMWF SHOWING A -18C AT 850 MB LATE SATURDAY INTO SUNDAY. AS FAR AS PRECIP IS CONCERNED...NOT SEEING ANY STRONG SIGNALS FOR ANYTHING SIGNIFICANT DURING THIS FCST PERIOD. A WEAK FRONT WILL PUSH ACRS THE AREA LATE THU OR FRIDAY...BUT MOISTURE AHEAD OF THIS FEATURE LOOKS LIMITED AT BEST. MODELS WERE INDICATING A SECONDARY WAVE OF LOW PRESSURE WILL MOVE UP THE FRONT AS IT SHIFTS WELL EAST OF THE AREA FRIDAY NIGHT INTO SATURDAY...WITH THE ECMWF INDICATING A LARGE AREA OF PRECIP ASSOCIATED WITH THE SRN STREAM SYSTEM. ENSEMBLES SUGGEST THIS STORM SYSTEM WILL STAY SOUTH OF OUR AREA...BUT WILL NEED TO BE WATCHED. SMITH && .ILX WATCHES/WARNINGS/ADVISORIES... WINTER WEATHER ADVISORY UNTIL 6 PM CST SATURDAY FOR ILZ027>031- 037-038-043>046-055>057. &&
Hazardous weather outlook, Dec 3, 3:18 PM CST, 9 hours before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 318 PM CST FRI DEC 3 2010 ILZ027>031-037-038-041200- KNOX-MARSHALL-MCLEAN-PEORIA-STARK-TAZEWELL-WOODFORD- 318 PM CST FRI DEC 3 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 PM CST SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS...MAINLY ALONG AND NORTH OF THE I-74 CORRIDOR. .DAY ONE...TONIGHT SNOW WILL BEGIN SPREADING ACROSS THE AREA THIS EVENING...AND CONTINUE OVERNIGHT. ACCUMULATIONS OF 1 TO 2 INCHES ARE LIKELY BY SUNRISE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE SNOW WILL CONTINUE THROUGH MUCH OF SATURDAY BEFORE ENDING IN THE AFTERNOON. TOTAL STORM ACCUMULATIONS OF 3 INCHES OR MORE ARE LIKELY ALONG AND NORTH OF THE I-74 CORRIDOR. A SURGE OF COLD AIR BEHIND THIS SYSTEM WILL RESULT IN WIND CHILLS FALLING BELOW ZERO...EACH NIGHT FROM SUNDAY THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED. HOWEVER...SNOWFALL REPORTS WOULD BE GREATLY APPRECIATED. ILZ036-040>042-047>054-061-041200- CASS-CHRISTIAN-FULTON-LOGAN-MACON-MASON-MENARD-MORGAN-MOULTRIE- SANGAMON-SCHUYLER-SCOTT-SHELBY- 318 PM CST FRI DEC 3 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS. .DAY ONE...TONIGHT LIGHT SNOW WILL BEGIN SPREADING OVER PORTIONS OF CENTRAL ILLINOIS THIS EVENING...THEN BECOME MORE WIDESPREAD AFTER MIDNIGHT. AREAS AROUND JACKSONVILLE AND SPRINGFIELD MAY SEE SOME SLEET OR RAIN MIXED IN AT TIMES. SNOW ACCUMULATIONS UP TO AN INCH ARE LIKELY...FROM CANTON SOUTHEAST TO AROUND DECATUR. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE SNOW WILL CONTINUE THROUGH MUCH OF SATURDAY...MIXED AT TIMES WITH RAIN...BEFORE ENDING IN THE AFTERNOON. TOTAL STORM ACCUMULATIONS OF 1 TO 2 INCHES ARE LIKELY FROM CANTON SOUTHEAST TO DECATUR... RANGING TO LESS THAN A HALF INCH AROUND JACKSONVILLE. A SURGE OF COLD AIR BEHIND THIS SYSTEM WILL RESULT IN WIND CHILLS FALLING TO NEAR ZERO...EACH NIGHT FROM SUNDAY THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED. HOWEVER...SNOWFALL REPORTS WOULD BE GREATLY APPRECIATED. ILZ043>046-055>057-041200- CHAMPAIGN-COLES-DE WITT-DOUGLAS-EDGAR-PIATT-VERMILION- 318 PM CST FRI DEC 3 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL ILLINOIS. .DAY ONE...TONIGHT SNOW WILL BEGIN SPREADING ACROSS THE AREA LATE THIS EVENING... BECOMING MORE WIDESPREAD AFTER MIDNIGHT. ACCUMULATIONS OF 1 TO 2 INCHES ARE LIKELY BY SUNRISE...ESPECIALLY ALONG AND NORTH OF THE I-74 CORRIDOR. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE SNOW WILL CONTINUE THROUGH MUCH OF SATURDAY...BEFORE ENDING LATE IN THE AFTERNOON. TOTAL STORM ACCUMULATIONS OF 3 INCHES OR MORE ARE LIKELY ALONG AND NORTH OF I-74...WITH 1 TO 2 INCHES FURTHER SOUTH AROUND PARIS AND MATTOON. A SURGE OF COLD AIR BEHIND THIS SYSTEM WILL RESULT IN WIND CHILLS FALLING TO NEAR ZERO...EACH NIGHT FROM SUNDAY THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED. HOWEVER...SNOWFALL REPORTS WOULD BE GREATLY APPRECIATED. ILZ062-063-066>068-071>073-041200- CLARK-CLAY-CRAWFORD-CUMBERLAND-EFFINGHAM-JASPER-LAWRENCE-RICHLAND- 318 PM CST FRI DEC 3 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ILLINOIS. .DAY ONE...TONIGHT SNOW IS LIKELY TO DEVELOP AFTER MIDNIGHT...MIXED AT TIMES WITH SOME RAIN. HOWEVER...OVERNIGHT ACCUMULATIONS SHOULD BE LESS THAN A HALF INCH. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A MIXTURE OF RAIN AND SNOW WILL CONTINUE MUCH OF SATURDAY...BEFORE TAPERING IN THE AFTERNOON. WHILE MOST AREAS WILL ONLY SEE MINOR ACCUMULATIONS...SOME 1 TO 2 INCH AMOUNTS WILL BE POSSIBLE TOWARD MARSHALL AND POINTS NORTHWARD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED. HOWEVER...SNOWFALL REPORTS WOULD BE GREATLY APPRECIATED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT HTTP://WWW.WEATHER.GOV/LINCOLN. THIS ADDRESS IS ALL IN LOWER CASE. GEELHART
In the hours before
Local storm report, Dec 3, 11:07 PM CST, 1 hour 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1107 PM CST FRI DEC 03 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1105 PM SNOW 2 N HOMER 40.06N 87.96W
12/03/2010 M2.9 INCH CHAMPAIGN IL MESONET
&&
JANKOWSKILocal storm report, Dec 3, 11:08 PM CST, 1 hour 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1108 PM CST FRI DEC 03 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1108 PM SNOW 5 NE VICTORIA 41.08N 90.03W
12/03/2010 M3.3 INCH KNOX IL TRAINED SPOTTER
&&
JANKOWSKILocal storm report, Dec 3, 11:10 PM CST, 1 hour 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1110 PM CST FRI DEC 03 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1109 PM SNOW 3 SW BLOOMINGTON 40.45N 89.01W
12/03/2010 M3.5 INCH MCLEAN IL NWS EMPLOYEE
&&
JANKOWSKILocal storm report, Dec 3, 11:25 PM CST, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1125 PM CST FRI DEC 03 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 PM SNOW MAHOMET 40.19N 88.40W
12/03/2010 M3.6 INCH CHAMPAIGN IL MESONET
STILL SNOWING. SWOP.
&&
JANKOWSKILocal storm report, Dec 4, 12:03 AM CST, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1203 AM CST SAT DEC 04 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1140 PM HEAVY SNOW URBANA 40.11N 88.21W
12/03/2010 M5.7 INCH CHAMPAIGN IL MESONET
SWOP.
1145 PM SNOW MORTON 40.61N 89.47W
12/03/2010 M2.5 INCH TAZEWELL IL NWS EMPLOYEE
1146 PM HEAVY SNOW 1 N SAVOY 40.08N 88.25W
12/03/2010 M6.0 INCH CHAMPAIGN IL TRAINED SPOTTER
ROADS COVERED. STILL SNOWING.
&&
JANKOWSKILocal storm report, Dec 4, 12:12 AM CST, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1212 AM CST SAT DEC 04 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 PM SNOW DANVILLE 40.14N 87.62W
12/03/2010 M1.5 INCH VERMILION IL EMERGENCY MNGR
ROADS ARE SNOW COVERED.
&&
JANKOWSKINearby
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.