Alert archive / Illinois / Snow Advisories in 2007
Snow Advisory 1, NWS Lincoln, IL
NWS Lincoln, IL issued this snow advisory at Jan 20, 2007, 3:36 AM CST for 35 counties in Illinois. It took effect at Jan 21, 2007, 12:00 AM CST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Jan 20, 2007, 3:36 AM CST (09:36 UTC)
- In effect from
- Jan 21, 2007, 12:00 AM CST
- Expired
- Jan 21, 2007, 11:05 AM CST
- In force
- 11 hr
- Issued by
- NWS Lincoln, IL
All 35 counties
Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Fulton County, IL, Jasper County, IL, Knox County, IL, Lawrence County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Richland County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 42 km from the middle of the area, began a volume at 09:42 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
Lincoln, IL (KILX), launched 00:00Z, 9.6 hours before the alert went out and 46 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
- 893 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS43 KILX 200936 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 336 AM CST SAT JAN 20 2007 ...QUICK MOVING SNOW STORM HEADED FOR CENTRAL ILLINOIS... .LOW PRESSURE IN THE SOUTHWEST U.S. WILL BEGIN TO MOVE NORTHEAST TOWARD ILLINOIS TODAY. IT WILL DRAW WARM AND MOIST AIR NORTHWARD...AND FORCE IT OVER THE COLD AIR IN PLACE. THIS WILL PRODUCE A PERIOD OF ACCUMULATING SNOW ACROSS CENTRAL ILLINOIS FROM MIDNIGHT SUNDAY MORNING THROUGH 3 PM ON SUNDAY AFTERNOON. DRY AIR FROM EASTERLY WINDS WILL TEND TO DELAY THE ONSET OF SNOW...BUT WE SHOULD STILL SEE ADVISORY AMOUNTS OF 2 TO 5 INCHES IN ALL OF CENTRAL ILLINOIS. ILZ027-036-040-041-047>052-061-062-066>068-071>073-201345- /O.NEW.KILX.SN.Y.0001.070121T0600Z-070121T1800Z/ KNOX-FULTON-SCHUYLER-MASON-CASS-MENARD-SCOTT-MORGAN-SANGAMON- CHRISTIAN-SHELBY-CUMBERLAND-EFFINGHAM-JASPER-CRAWFORD-CLAY- RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...GALESBURG...HAVANA...JACKSONVILLE... SPRINGFIELD...TAYLORVILLE...SHELBYVILLE...EFFINGHAM...FLORA... LAWRENCEVILLE 336 AM CST SAT JAN 20 2007 ...SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY. SNOWFALL OF 3 TO 5 INCHES IS EXPECTED BY NOON ON SUNDAY. THE SNOW WILL BEGIN BETWEEN MIDNIGHT AND 3 AM...WITH THE HEAVIEST SNOWFALL FROM 4 AM TO 9 AM. THE SNOW WILL TAPER OFF TOWARD NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING THE AFTERNOON. EASTERLY WINDS BETWEEN 10 AND 15 MPH MAY CAUSE DRIFTING... ESPECIALLY ON NORTH SOUTH ROADS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ ILZ028>031-037-038-042>046-053>057-063-201345- /O.NEW.KILX.SN.Y.0001.070121T0900Z-070121T2100Z/ STARK-PEORIA-MARSHALL-WOODFORD-TAZEWELL-MCLEAN-LOGAN-DE WITT- PIATT-CHAMPAIGN-VERMILION-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR- CLARK- INCLUDING THE CITIES OF...PEORIA...BLOOMINGTON...NORMAL... LINCOLN...CHAMPAIGN...URBANA...DANVILLE...DECATUR...CHARLESTON... MATTOON 336 AM CST SAT JAN 20 2007 ...SNOW ADVISORY IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY. SNOWFALL OF 2 TO 4 INCHES IS EXPECTED BY 3 PM ON SUNDAY. THE SNOW WILL BEGIN BETWEEN 3 AND 6 AM...WITH THE HEAVIEST SNOWFALL FROM 7 AM TO NOON. THE SNOW WILL TAPER OFF AROUND 3 PM...WITH FLURRIES THE REST OF THE AFTERNOON. EASTERLY WINDS BETWEEN 10 AND 15 MPH MAY CAUSE DRIFTING...ESPECIALLY ON NORTH SOUTH ROADS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SHIMON
8 follow-up statements
000 WWUS43 KILX 201343 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 743 AM CST SAT JAN 20 2007 ...QUICK MOVING SNOW STORM HEADED FOR CENTRAL ILLINOIS... .LOW PRESSURE IN THE SOUTHWEST U.S. WILL BEGIN TO MOVE NORTHEAST TOWARD ILLINOIS TODAY. IT WILL DRAW WARM AND MOIST AIR NORTHWARD...AND FORCE IT OVER THE COLD AIR IN PLACE. THIS WILL PRODUCE A PERIOD OF ACCUMULATING SNOW ACROSS CENTRAL ILLINOIS FROM MIDNIGHT SUNDAY MORNING THROUGH 3 PM ON SUNDAY AFTERNOON. DRY AIR FROM EASTERLY WINDS WILL TEND TO DELAY THE ONSET OF SNOW...BUT WE SHOULD STILL SEE ADVISORY AMOUNTS OF 2 TO 5 INCHES IN ALL OF CENTRAL ILLINOIS. ILZ027-036-040-041-047>052-061-062-066>068-071>073-201800- /O.CON.KILX.SN.Y.0001.070121T0600Z-070121T1800Z/ KNOX-FULTON-SCHUYLER-MASON-CASS-MENARD-SCOTT-MORGAN-SANGAMON- CHRISTIAN-SHELBY-CUMBERLAND-EFFINGHAM-JASPER-CRAWFORD-CLAY- RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...GALESBURG...HAVANA...JACKSONVILLE... SPRINGFIELD...TAYLORVILLE...SHELBYVILLE...EFFINGHAM...FLORA... LAWRENCEVILLE 743 AM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY. SNOWFALL OF 3 TO 5 INCHES IS EXPECTED BY NOON ON SUNDAY. THE SNOW WILL BEGIN BETWEEN MIDNIGHT AND 3 AM...WITH THE HEAVIEST SNOWFALL FROM 4 AM TO 9 AM. THE SNOW WILL TAPER OFF TOWARD NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING THE AFTERNOON. EASTERLY WINDS BETWEEN 10 AND 15 MPH MAY CAUSE DRIFTING... ESPECIALLY ON NORTH SOUTH ROADS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ ILZ028>031-037-038-042>046-053>057-063-201800- /O.CON.KILX.SN.Y.0001.070121T0900Z-070121T2100Z/ STARK-PEORIA-MARSHALL-WOODFORD-TAZEWELL-MCLEAN-LOGAN-DE WITT- PIATT-CHAMPAIGN-VERMILION-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR- CLARK- INCLUDING THE CITIES OF...PEORIA...BLOOMINGTON...NORMAL... LINCOLN...CHAMPAIGN...URBANA...DANVILLE...DECATUR...CHARLESTON... MATTOON 743 AM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY. SNOWFALL OF 2 TO 4 INCHES IS EXPECTED BY 3 PM ON SUNDAY. THE SNOW WILL BEGIN BETWEEN 3 AND 6 AM...WITH THE HEAVIEST SNOWFALL FROM 7 AM TO NOON. THE SNOW WILL TAPER OFF AROUND 3 PM...WITH FLURRIES THE REST OF THE AFTERNOON. EASTERLY WINDS BETWEEN 10 AND 15 MPH MAY CAUSE DRIFTING...ESPECIALLY ON NORTH SOUTH ROADS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ AUTEN
000 WWUS43 KILX 201801 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 1201 PM CST SAT JAN 20 2007 ...QUICK MOVING SNOW STORM HEADED FOR CENTRAL ILLINOIS... .LOW PRESSURE IN NEW MEXICO WILL MOVE NORTHEAST TOWARD ILLINOIS LATER TONIGHT AND SUNDAY. IT WILL DRAW WARM AND MOIST AIR NORTHWARD...AND FORCE IT OVER THE COLD AIR IN PLACE. THIS WILL PRODUCE A PERIOD OF ACCUMULATING SNOW ACROSS CENTRAL ILLINOIS FROM MIDNIGHT THROUGH 3 PM SUNDAY. DRY AIR FROM EASTERLY WINDS WILL TEND TO DELAY THE ONSET OF THE SNOW OVERNIGHT...BUT WE SHOULD STILL SEE ADVISORY AMOUNTS OF 2 TO 5 INCHES ACROSS ALL OF CENTRAL AND SOUTHEAST ILLINOIS. ILZ027-036-040-041-047>052-061-062-066>068-071>073-202200- /O.CON.KILX.SN.Y.0001.070121T0600Z-070121T1800Z/ KNOX-FULTON-SCHUYLER-MASON-CASS-MENARD-SCOTT-MORGAN-SANGAMON- CHRISTIAN-SHELBY-CUMBERLAND-EFFINGHAM-JASPER-CRAWFORD-CLAY- RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...GALESBURG...HAVANA...JACKSONVILLE... SPRINGFIELD...TAYLORVILLE...SHELBYVILLE...EFFINGHAM...FLORA... LAWRENCEVILLE 1201 PM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY... SNOWFALL OF 3 TO 5 INCHES IS EXPECTED BY NOON ON SUNDAY. THE SNOW WILL BEGIN SOUTHWEST OF SPRINGFIELD BETWEEN 11 PM AND MIDNIGHT... THEN SPREAD NORTHEAST ACROSS THE AREA THROUGH 3 AM...WITH THE HEAVIEST SNOWFALL FROM 3 TO 9 AM. THE SNOW WILL TAPER OFF TOWARD NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING SUNDAY AFTERNOON. EAST TO SOUTHEAST WINDS OF 10 AND 15 MPH MAY CAUSE SOME DRIFTING... ESPECIALLY ON NORTH SOUTH ROADS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ ILZ028>031-037-038-042>046-053>057-063-202200- /O.CON.KILX.SN.Y.0001.070121T0900Z-070121T2100Z/ STARK-PEORIA-MARSHALL-WOODFORD-TAZEWELL-MCLEAN-LOGAN-DE WITT- PIATT-CHAMPAIGN-VERMILION-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR- CLARK- INCLUDING THE CITIES OF...PEORIA...BLOOMINGTON...NORMAL... LINCOLN...CHAMPAIGN...URBANA...DANVILLE...DECATUR...CHARLESTON... MATTOON 1201 PM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY... SNOWFALL OF 2 TO 4 INCHES IS EXPECTED BY 3 PM ON SUNDAY. THE SNOW WILL BEGIN BETWEEN 2 AND 5 AM...WITH THE HEAVIEST SNOWFALL FROM 5 TO 11 AM. THE SNOW WILL TAPER OFF AROUND 3 PM...WITH FLURRIES THE REST OF THE AFTERNOON. EAST TO SOUTHEAST WINDS OF 10 AND 15 MPH MAY CAUSE SOME DRIFTING...ESPECIALLY ON NORTH SOUTH ROADS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ KH/AUTEN/SHIMON
000 WWUS43 KILX 202122 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 322 PM CST SAT JAN 20 2007 ...QUICK MOVING SNOW STORM HEADED FOR CENTRAL ILLINOIS... .LOW PRESSURE IN NEW MEXICO WILL MOVE NORTHEAST TOWARD ILLINOIS LATER TONIGHT AND SUNDAY. IT WILL DRAW WARM AND MOIST AIR NORTHWARD...AND FORCE IT OVER THE COLD AIR IN PLACE. THIS WILL PRODUCE A PERIOD OF ACCUMULATING SNOW ACROSS CENTRAL ILLINOIS FROM MIDNIGHT THROUGH 3 PM SUNDAY. DRY AIR FROM EASTERLY WINDS WILL TEND TO DELAY THE ONSET OF THE SNOW OVERNIGHT...BUT WE SHOULD STILL SEE ADVISORY AMOUNTS OF 2 TO 5 INCHES ACROSS ALL OF CENTRAL AND SOUTHEAST ILLINOIS. ILZ027-036-040-041-047>052-061-062-066>068-071>073-210130- /O.CON.KILX.SN.Y.0001.070121T0600Z-070121T1800Z/ KNOX-FULTON-SCHUYLER-MASON-CASS-MENARD-SCOTT-MORGAN-SANGAMON- CHRISTIAN-SHELBY-CUMBERLAND-EFFINGHAM-JASPER-CRAWFORD-CLAY- RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...GALESBURG...HAVANA...JACKSONVILLE... SPRINGFIELD...TAYLORVILLE...SHELBYVILLE...EFFINGHAM...FLORA... LAWRENCEVILLE 322 PM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY... SNOWFALL OF 3 TO 5 INCHES IS EXPECTED BY NOON ON SUNDAY. THE SNOW WILL BEGIN SOUTHWEST OF SPRINGFIELD BETWEEN 11 PM AND MIDNIGHT... THEN SPREAD NORTHEAST ACROSS THE AREA THROUGH 3 AM...WITH THE HEAVIEST SNOWFALL FROM 3 TO 9 AM. THE SNOW WILL TAPER OFF TOWARD NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING SUNDAY AFTERNOON. EAST TO SOUTHEAST WINDS OF 10 AND 15 MPH MAY CAUSE SOME DRIFTING... ESPECIALLY ON NORTH SOUTH ROADS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ ILZ028>031-037-038-042>046-053>057-063-210130- /O.CON.KILX.SN.Y.0001.070121T0900Z-070121T2100Z/ STARK-PEORIA-MARSHALL-WOODFORD-TAZEWELL-MCLEAN-LOGAN-DE WITT- PIATT-CHAMPAIGN-VERMILION-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR- CLARK- INCLUDING THE CITIES OF...PEORIA...BLOOMINGTON...NORMAL... LINCOLN...CHAMPAIGN...URBANA...DANVILLE...DECATUR...CHARLESTON... MATTOON 322 PM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY... SNOWFALL OF 3 TO 5 INCHES IS EXPECTED BY 3 PM ON SUNDAY. THE SNOW WILL BEGIN BETWEEN 2 AND 5 AM...WITH THE HEAVIEST SNOWFALL FROM 5 TO 11 AM. THE SNOW WILL TAPER OFF AROUND 3 PM...WITH FLURRIES THE REST OF THE AFTERNOON. EAST TO SOUTHEAST WINDS OF 10 AND 15 MPH MAY CAUSE SOME DRIFTING...ESPECIALLY ON NORTH SOUTH ROADS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ HJS
000 WWUS43 KILX 210130 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 730 PM CST SAT JAN 20 2007 ...LEADING EDGE OF SNOW APPROACHING ILLINOIS... .A FAST MOVING SNOW STORM IS MOVING NORTHEASTWARD THROUGH MISSOURI AND WILL SWEEP ACROSS CENTRAL ILLINOIS OVERNIGHT. EXPECT SNOW TO BEGIN AROUND MIDNIGHT OVER SOUTHWESTERN ILLINOIS...THEN SPREAD THROUGH THE REMAINDER OF THE AREA BEFORE 3 AM. MOST LOCATIONS SHOULD SEE 3 TO 5 INCHES OF ACCUMULATION BEFORE THE SNOW DECREASES IN INTENSITY AROUND MIDDAY SUNDAY. TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS IN MANY AREAS. LIGHT SNOW AND FLURRIES WILL CONTINUE INTO THE EVENING HOURS...AND FREEZING DRIZZLE MAY MIX WITH THE LIGHT SNOW...PRODUCING A THIN CRUST OF ICE ON TOP OF THE SNOW. NO SIGNIFICANT ICE ACCUMULATIONS ARE EXPECTED...HOWEVER THE FREEZING DRIZZLE MAY CONTRIBUTE TO SLICK ROADS...ESPECIALLY BRIDGES AND OVERPASSES. ILZ027-036-040-041-047>052-061-062-066>068-071>073-210600- /O.CON.KILX.SN.Y.0001.070121T0600Z-070121T1800Z/ KNOX-FULTON-SCHUYLER-MASON-CASS-MENARD-SCOTT-MORGAN-SANGAMON- CHRISTIAN-SHELBY-CUMBERLAND-EFFINGHAM-JASPER-CRAWFORD-CLAY- RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...GALESBURG...HAVANA...JACKSONVILLE... SPRINGFIELD...TAYLORVILLE...SHELBYVILLE...EFFINGHAM...FLORA... LAWRENCEVILLE 730 PM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY. EXPECT SNOW TO BEGIN AROUND MIDNIGHT...AND BECOME HEAVY DURING THE OVERNIGHT HOURS. THE HEAVIEST SNOWFALL SHOULD OCCUR BETWEEN 3AM AND 8 AM...PRODUCING 3 TO 5 INCHES OVER MOST AREAS. THE SNOW WILL TAPER OFF AROUND NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING SUNDAY AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ ILZ028>031-037-038-042>046-053>057-063-210600- /O.CON.KILX.SN.Y.0001.070121T0900Z-070121T2100Z/ STARK-PEORIA-MARSHALL-WOODFORD-TAZEWELL-MCLEAN-LOGAN-DE WITT- PIATT-CHAMPAIGN-VERMILION-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR- CLARK- INCLUDING THE CITIES OF...PEORIA...BLOOMINGTON...NORMAL... LINCOLN...CHAMPAIGN...URBANA...DANVILLE...DECATUR...CHARLESTON... MATTOON 730 PM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY. EXPECT SNOW TO BEGIN TONIGHT BEFORE DAWN...AND BECOME HEAVY THROUGH THE MORNING HOURS. THE HEAVIEST SNOWFALL SHOULD OCCUR BETWEEN 5AM AND 10 AM...PRODUCING 3 TO 5 INCHES OVER MOST AREAS. THE SNOW WILL TAPER OFF IN THE AFTERNOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE INTO SUNDAY EVENING. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ CHURCHILL
000 WWUS43 KILX 210603 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 1203 AM CST SUN JAN 21 2007 ...SNOW NOW BEGINNING IN CENTRAL ILLINOIS. 3 TO 5 INCHES OF SNOW EXPECTED... .A FAST MOVING SNOW STORM HAS MOVED INTO CENTRAL ILLINOIS AND WILL CONTINUE TO PRODUCE SNOW OVERNIGHT. ALL AREAS OF CENTRAL ILLINOIS SHOULD SEE SNOW BY 3 AM...WITH PRECIPITATION POSSIBLY BEGINNING AS A BRIEF PERIOD OF LIGHT SLEET AND SNOW ALONG AND SOUTHEAST OF INTERSTATE 70. SNOWFALL REPORTS OVER MISSOURI LAST EVENING WERE UP TO 5 INCHES...AND THESE AMOUNTS WILL ALSO BE COMMON OVER CENTRAL ILLINOIS. SNOW IS EXPECTED TO TAPER OFF BY MIDDAY SUNDAY. UNTIL THEN...TRAVEL WILL BECOME DIFFICULT AND HAZARDOUS IN MANY AREAS. LIGHT SNOW AND FLURRIES WILL CONTINUE INTO THE EVENING HOURS SUNDAY...AND FREEZING DRIZZLE MAY MIX WITH THE SNOW...PRODUCING A THIN CRUST OF ICE ON TOP OF THE SNOW. NO SIGNIFICANT ICE ACCUMULATIONS ARE EXPECTED...HOWEVER THE FREEZING DRIZZLE MAY CONTRIBUTE TO SLICK ROADS...ESPECIALLY ON BRIDGES AND OVERPASSES. ILZ027-036-040-041-047>052-061-062-066>068-071>073-211000- /O.CON.KILX.SN.Y.0001.000000T0000Z-070121T1800Z/ KNOX-FULTON-SCHUYLER-MASON-CASS-MENARD-SCOTT-MORGAN-SANGAMON- CHRISTIAN-SHELBY-CUMBERLAND-EFFINGHAM-JASPER-CRAWFORD-CLAY- RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...GALESBURG...HAVANA...JACKSONVILLE... SPRINGFIELD...TAYLORVILLE...SHELBYVILLE...EFFINGHAM...FLORA... LAWRENCEVILLE 1203 AM CST SUN JAN 21 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. SNOW WILL CONTINUE OVERNIGHT WITH THE HEAVIEST SNOW BETWEEN 3 AM AND 8 AM. EXPECT 3 TO 5 INCHES OF SNOWFALL OVER MOST AREAS. A BRIEF PERIOD OF LIGHT SLEET MAY ACCOMPANY THE SNOW AS IT BEGINS...ESPECIALLY SOUTHEAST OF INTERSTATE 70. THE SNOW WILL TAPER OFF AROUND NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING SUNDAY AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ ILZ028>031-037-038-042>046-053>057-063-211000- /O.CON.KILX.SN.Y.0001.070121T0900Z-070121T2100Z/ STARK-PEORIA-MARSHALL-WOODFORD-TAZEWELL-MCLEAN-LOGAN-DE WITT- PIATT-CHAMPAIGN-VERMILION-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR- CLARK- INCLUDING THE CITIES OF...PEORIA...BLOOMINGTON...NORMAL... LINCOLN...CHAMPAIGN...URBANA...DANVILLE...DECATUR...CHARLESTON... MATTOON 1203 AM CST SUN JAN 21 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY. SNOW WILL CONTINUE TO MOVE INTO THE AREA OVERNIGHT. THE HEAVIEST SNOWFALL WILL BE BETWEEN 4 AM AND 9 AM. EXPECT 3 TO 5 INCHES OF ACCUMULATION OVER MOST AREAS. THE SNOW WILL TAPER OFF AROUND NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING SUNDAY AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS43 KILX 210911 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 311 AM CST SUN JAN 21 2007 ...SNOW TO WIND DOWN SOONER IN CENTRAL ILLINOIS. SLEET FOR SOUTHEAST ILLINOIS. 2 TO 4 INCHES OF SNOW EXPECTED... .THE FAST MOVING SNOW STORM HAS PUSHED INTO CENTRAL ILLINOIS. A WARM LAYER ALOFT HAS CAUSED SLEET TO DEVELOP SOUTH OF I-70. WE CHANGED THE SNOW ADVISORY TO A WINTER WEATHER ADVISORY THERE. SNOWFALL RATES OF A HALF INCH TO ONE INCH AN HOUR WILL BE POSSIBLE THROUGH EARLY MORNING. LIGHTER SNOW WILL LINGER THROUGH NOON. SNOWFALL REPORTS OVER MISSOURI WERE 3 TO 5 INCHES. CENTRAL ILLINOIS WILL SEE SLIGHTLY LESS WITH 2 TO 4 INCHES MORE COMMON. SNOW IS EXPECTED TO TAPER OFF BY NOON TODAY. UNTIL THEN...TRAVEL WILL REMAIN DIFFICULT AND HAZARDOUS IN MANY AREAS. LIGHT SNOW AND FLURRIES WILL CONTINUE INTO THE EVENING HOURS TONIGHT...AND FREEZING DRIZZLE MAY MIX WITH THE SNOW...PRODUCING A THIN CRUST OF ICE ON TOP OF THE SNOW. NO SIGNIFICANT ICE ACCUMULATIONS ARE EXPECTED...HOWEVER THE FREEZING DRIZZLE MAY CONTRIBUTE TO SLICK ROADS...ESPECIALLY ON BRIDGES AND OVERPASSES. ILZ066>068-071>073-211400- /O.CAN.KILX.SN.Y.0001.000000T0000Z-070121T1800Z/ /O.NEW.KILX.WW.Y.0002.070121T0911Z-070121T1800Z/ EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE 311 AM CST SUN JAN 21 2007 ...SNOW ADVISORY IS CANCELLED... ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON CST TODAY... THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE SNOW ADVISORY HAS BEEN CANCELLED. SNOW AND SLEET WILL ACCUMULATE BETWEEN 2 AND 4 INCHES BY NOON TODAY...ESPECIALLY SOUTH OF I-70. THE SNOW AND SLEET WILL TAPER OFF AROUND NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING THE AFTERNOON. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ ILZ028>031-037-038-042>046-053>057-063-211400- /O.EXT.KILX.SN.Y.0001.070121T0911Z-070121T1800Z/ STARK-PEORIA-MARSHALL-WOODFORD-TAZEWELL-MCLEAN-LOGAN-DE WITT- PIATT-CHAMPAIGN-VERMILION-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR- CLARK- INCLUDING THE CITIES OF...PEORIA...BLOOMINGTON...NORMAL... LINCOLN...CHAMPAIGN...URBANA...DANVILLE...DECATUR...CHARLESTON... MATTOON 311 AM CST SUN JAN 21 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL NOON CST TODAY. STEADY SNOWFALL WILL CONTINUE THROUGH 7 OR 8 AM THIS MORNING...WITH SCATTERED SNOW SHOWERS LASTING THROUGH THE NOON HOUR. 2 TO 4 INCHES OF SNOWFALL IS EXPECTED BY MID DAY. THE SNOW WILL TAPER OFF AROUND NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING THE AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ ILZ027-036-040-041-047>052-061-062-211400- /O.CON.KILX.SN.Y.0001.000000T0000Z-070121T1800Z/ KNOX-FULTON-SCHUYLER-MASON-CASS-MENARD-SCOTT-MORGAN-SANGAMON- CHRISTIAN-SHELBY-CUMBERLAND- INCLUDING THE CITIES OF...GALESBURG...HAVANA...JACKSONVILLE... SPRINGFIELD...TAYLORVILLE...SHELBYVILLE 311 AM CST SUN JAN 21 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. SNOW WILL CONTINUE THIS MORNING... WITH THE HEAVIEST SNOW BETWEEN 3 AM AND 6 AM. SCATTERED SNOW SHOWERS WILL LINGER THROUGH THE REST OF THE MORNING. EXPECT 2 TO 4 INCHES OF SNOWFALL OVER MOST AREAS. THE SNOW WILL TAPER OFF AROUND NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING THE AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SHIMON
000 WWUS43 KILX 211357 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 757 AM CST SUN JAN 21 2007 ...SNOW CONTINUES TO WIND DOWN IN CENTRAL ILLINOIS AND MIX WITH SLEET AND FREEZING DRIZZLE.... .THE FAST MOVING SNOW STORM CONTINUES TO PUSH THROUGH CENTRAL ILLINOIS THIS MORNING. THE SNOW HAS DIMINISHED AND BECOME MIXED WITH FREEZING RAIN AND A LITTLE SLEET. ADDITIONAL ACCUMULATIONS WILL ONLY BE MINOR THE REMAINDER OF THE MORNING...BUT TRAVEL WILL REMAIN DIFFICULT AND HAZARDOUS IN MANY AREAS. LIGHT SNOW AND FLURRIES WILL CONTINUE INTO THE EVENING HOURS TONIGHT...AND FREEZING DRIZZLE MAY MIX WITH THE SNOW...PRODUCING A THIN CRUST OF ICE ON TOP OF THE SNOW. NO SIGNIFICANT ICE ACCUMULATIONS ARE EXPECTED...HOWEVER THE FREEZING DRIZZLE MAY CONTRIBUTE TO SLICK ROADS...ESPECIALLY ON BRIDGES AND OVERPASSES. ILZ027-036-040-041-047>052-061-062-211800- /O.CON.KILX.SN.Y.0001.000000T0000Z-070121T1800Z/ KNOX-FULTON-SCHUYLER-MASON-CASS-MENARD-SCOTT-MORGAN-SANGAMON- CHRISTIAN-SHELBY-CUMBERLAND- INCLUDING THE CITIES OF...GALESBURG...HAVANA...JACKSONVILLE... SPRINGFIELD...TAYLORVILLE...SHELBYVILLE 757 AM CST SUN JAN 21 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. A MIXTURE OF LIGHT SNOW AND FREEZING DRIZZLE WILL CONTINUE THIS MORNING...WITH MINOR ADDITIONAL ACCUMULATIONS EXPECTED. THE SNOW WILL TAPER OFF AROUND NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING THE AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ ILZ028>031-037-038-042>046-053>057-063-211800- /O.CON.KILX.SN.Y.0001.000000T0000Z-070121T1800Z/ STARK-PEORIA-MARSHALL-WOODFORD-TAZEWELL-MCLEAN-LOGAN-DE WITT- PIATT-CHAMPAIGN-VERMILION-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR- CLARK- INCLUDING THE CITIES OF...PEORIA...BLOOMINGTON...NORMAL... LINCOLN...CHAMPAIGN...URBANA...DANVILLE...DECATUR...CHARLESTON... MATTOON 757 AM CST SUN JAN 21 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. A MIXTURE OF LIGHT SNOW AND FREEZING DRIZZLE WILL CONTINUE THIS MORNING...WITH MINOR ADDITIONAL ACCUMULATIONS EXPECTED. THE SNOW WILL TAPER OFF AROUND NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING THE AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ ILZ066>068-071>073-211800- /O.CON.KILX.WW.Y.0002.000000T0000Z-070121T1800Z/ EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE 757 AM CST SUN JAN 21 2007 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. A MIXTURE OF LIGHT SNOW AND FREEZING DRIZZLE WILL CONTINUE THIS MORNING...WITH MINOR ADDITIONAL ACCUMULATIONS EXPECTED. THE SNOW WILL TAPER OFF AROUND NOON...WITH FLURRIES OR PATCHY FREEZING DRIZZLE DURING THE AFTERNOON. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ AUTEN
000 WWUS43 KILX 211705 WSWILX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE LINCOLN IL 1105 AM CST SUN JAN 21 2007 ...SNOW AND WINTER WEATHER ADVISORIES CANCELED OVER CENTRAL AND SOUTHEAST ILLINOIS... .AREA OF ACCUMULATING SNOWS HAVE LIFTED NORTHEAST INTO WISCONSIN AND LOWER MICHIGAN TODAY. LOW PRESSURE WILL MOVE INTO ILLINOIS LATE THIS AFTERNOON KEEPING A CHANCE OF A FEW LIGHT SNOW SHOWERS AND PATCHY FREEZING DRIZZLE MAINLY NORTH OF I-72. ILZ027>031-036>038-040>057-061>063-211815- /O.CAN.KILX.SN.Y.0001.000000T0000Z-070121T1800Z/ KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN- SCHUYLER-MASON-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS- MENARD-SCOTT-MORGAN-SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS- COLES-EDGAR-SHELBY-CUMBERLAND-CLARK- INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON... NORMAL...HAVANA...LINCOLN...CHAMPAIGN...URBANA...DANVILLE... JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...CHARLESTON... MATTOON...SHELBYVILLE 1105 AM CST SUN JAN 21 2007 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LINCOLN HAS CANCELED THE SNOW ADVISORY. ACCUMULATING SNOWS HAVE ENDED OVER CENTRAL ILLINOIS BY MID MORNING. ONLY A FEW LIGHT SNOW SHOWERS OR FLURRIES AND PATCHY FREEZING DRIZZLE IS POSSIBLE TODAY...MAINLY NORTH OF I-72. FOR ILLINOIS ROAD CONDITIONS CALL TOLL FREE AT 1-800-452-4368. $$ ILZ066>068-071>073-211815- /O.CAN.KILX.WW.Y.0002.000000T0000Z-070121T1800Z/ EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE- INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE 1105 AM CST SUN JAN 21 2007 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LINCOLN HAS CANCELED THE WINTER WEATHER ADVISORY. MIXED PRECIPITATION ENDED OVER SOUTHEAST ILLINOIS BY MID MORNING. TEMPERATURES WILL STAY ABOVE FREEZING TODAY IN THE MID 30S HELPING MELT ANY SNOW AND ICE REMAINING ON UNTREATED ROADS. FOR ILLINOIS ROAD CONDITIONS...CALL TOLL FREE AT 1-800-452-4368. $$ HUETTL
What forecasters said that day
The local office's own words before this snow advisory 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 snow advisory went out at Jan 20, 3:08 AM CST, 28 minutes earlier.
Area forecast discussion, Jan 20, 3:08 AM CST, 28 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LINCOLN IL 308 AM CST SAT JAN 20 2007 ...CORRECTED THE HEADLINE STATEMENT AT THE BOTTOM... DISCUSSION... MAIN CONCERN IS THE SNOW STORM FOR TONIGHT AND SUNDAY. MODELS ARE COMING MORE INTO LINE WITH TIMING OF THE SNOW EVENT. GFS IS SLOWING DOWN CLOSER TO THE NAM-WRF. SREF IS VERY CLOSE TO MY THINKING...WITH THE BULK OF THE SNOW DURING A 6 TO 8 HOUR PERIOD...PROGRESSING FROM SW TO NE ACROSS THE CWA. WILL GO CLOSE TO NAM TIMING...BUT GFS PCPN COVERAGE. SHORT TERM...TODAY THROUGH SUNDAY NIGHT... HIGH PRESSURE IS EXPECTED TO MOVE ACROSS ILLINOIS TODAY...AS THE CUT OFF LOW IN THE SW U.S. BEGINS TO EJECT. THE SHORT WAVE THAT IS ACTING AS THE KICKER IS FINALLY ENTERING THE RAOB NETWORK IN THE NW U.S. THE MORNING MODEL RUNS SHOULD HAVE A BETTER HANDLE ON TIMING FOR THE SNOW EVENT. THE DEEP LOW IN THE SW U.S. HAS A GOOD TAP ON TROPICAL MOISTURE...AS IS SEEN ON THE WATER VAPOR LOOP. THIS WILL HELP TO BEGIN SATURATION OF THE MID LEVELS EARLY ON TONIGHT. THE LOWER LEVELS WILL BE THE BIG PROBLEM. A DRY EAST FLOW BEHIND THE HIGH PRESSURE WILL BE TROUBLESOME FOR THE ONSET OF SNOW. THE MODELS ARE ALL GUNG HO ON SEVERAL INCHES OF ACCUMULATING SNOW BY 12Z IN MOST OF OUR CWA...HOWEVER...FEEL MAINLY AREAS SOUTHWEST OF A LINE FROM PEORIA TO LAWRENCEVILLE WILL SEE THE HIGHER SNOW ACCUMULATIONS BY 6 AM SUNDAY. WILL KEEP THE SNOW TOTALS A LITTLE LOWER IN THE NE HALF OF THE CWA TO ACCOUNT FOR THAT. ANALYZING THE 290K SURFACE...ISENTROPIC LIFT WILL BE MAXIMIZED CENTERED ON 12Z IN THE SW CWA...AND BETWEEN 15-18Z IN THE NE CWA. 3 G/KG MIXING RATIO IS AVAILABLE TO BE LIFTED...PUTTING THE GARCIA METHOD INTO THE 3 TO 6 INCH RANGE. THE INITIAL SATURATION OF THE AIRMASS MAY BE TIED TO LIFT FROM WAA FLOWS...DUE TO SOUTHERLY H85 WINDS OF 35 TO 40 KTS...FLOWING FROM THE GULF. THE SNOWS WILL BE MORE TIED TO ISEN LIFT AND DPVA AS THE H5 SHORTWAVE LIFTS ACROSS ILLINOIS. THAT WILL FOCUS THE HEAVIEST SNOWS AS THAT WILL BE WHEN THE JET COUPLING WILL MAXIMIZE THE UVVS. LOOKING AT THE UW MILW SNOW RATIO WEB ENGINE...WE SHOULD SEE SNOW RATIOS OF 12:1. COMBINED WITH QPFS BETWEEN 0.25 AND 0.35...WE WILL LIKELY REACH ADVISORY LEVELS IN MOST AREAS /AT LEAST 3 INCHES/ BY THE TIME THE MAIN ACCUMULATION IS DONE ON SUNDAY AFTERNOON. FOR THE ADVISORY HEADLINES...WILL SPLIT THE CWA INTO 2 GROUPS...BASED ON TIMING AND AMOUNTS. SOUTHWEST HALF WILL BE MIDNIGHT TO NOON ON SUNDAY...AND THE NE HALF WILL BE 3 AM TO 3 PM SUNDAY. THE MID AND UPPER LEVELS DRY OUT RAPIDLY BEHIND THE H5 SHORTWAVE...AND LOW LEVELS REMAIN MOIST. WITHOUT THE ICE CRYSTALS TO FALL INTO THIS LAYER...FREEZING DRIZZLE WILL BE POSSIBLE BEHIND THE SNOW. I ADDED FREEZING DRIZZLE OR FLURRIES SUNDAY AFTERNOON IN THE SW AND EVERYWHERE SUNDAY NIGHT. LONG TERM...MONDAY THROUGH THURSDAY... FLURRIES MAY LINGER ON MONDAY BEHIND THE SYSTEM...AS WE REMAIN UNDER A LONG WAVE TROUGH. THE NEXT WAVE OF SIGNIFICANCE WILL BE WEDNESDAY...AS A CLIPPER DROPS OUT OF CANADA. WE MAY GET MEASURABLE SNOW FROM THIS WAVE...BUT IT WILL BE LESS THAN AN INCH MOST LIKELY. I BUMPED UP POPS ON WED TO 30S FOR NOW. A REINFORCING SHOT OF COLD AIR WILL FOLLOW THE WEDNESDAY SYSTEM...AS LONGITUDINAL FLOW DRAGS ARCTIC AIR TOWARDS THE UPPER MIDWEST. && .ILX WATCHES/WARNINGS/ADVISORIES... SNOW ADVISORY FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY FOR ILZ027-036-040-041-047>052-061-062-066>068-071>073. SNOW ADVISORY FROM 3 AM TO 3 PM CST SUNDAY FOR ILZ028>031-037- 038-042>046-053>057-063. && SHIMON
Hazardous weather outlook, Jan 19, 2:31 PM CST, 13 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 231 PM CST FRI JAN 19 2007 ILZ027>031-036>038-040>057-061>063-066>068-071>073-201200- CASS-CHAMPAIGN-CHRISTIAN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND- DE WITT-DOUGLAS-EDGAR-EFFINGHAM-FULTON-JASPER-KNOX-LAWRENCE-LOGAN- MACON-MARSHALL-MASON-MCLEAN-MENARD-MORGAN-MOULTRIE-PEORIA-PIATT- RICHLAND-SANGAMON-SCHUYLER-SCOTT-SHELBY-STARK-TAZEWELL-VERMILION- WOODFORD- 231 PM CST FRI JAN 19 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A WINTER WEATHER SYSTEM IN THE DESERT SOUTHWEST WILL MOVE THROUGH THE REGION AFTER MIDNIGHT SATURDAY NIGHT AND SUNDAY. THIS SYSTEM WILL BRING A PERIOD OF SNOW TO CENTRAL AND SOUTHEAST ILLINOIS... WITH 2 TO 4 INCHES OF ACCUMULATION POSSIBLE BY SUNDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. HUETTL/AUTEN
Nearby
Snow Advisories in Illinois, 2007Every snow advisory in 2007
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.