Alert archive / Illinois / Blizzard Warnings in 2007
Blizzard Warning 2, NWS Chicago, IL
NWS Chicago, IL issued this blizzard warning at Feb 24, 2007, 5:11 AM CST for 5 counties in Illinois. It took effect at Feb 24, 2007, 4:00 PM CST. It was in force for . No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 24, 2007, 5:11 AM CST (11:11 UTC)
- In effect from
- Feb 24, 2007, 4:00 PM CST
- Expired
- Feb 24, 2007, 2:54 PM CST
- In force
- Issued by
- NWS Chicago, IL
Counties Boone County, IL, Lake County, IL, McHenry County, IL, Ogle County, IL, Winnebago County, IL
The radar
The Milwaukee radar (KMKX), 78 km from the middle of the area, began a volume at 11:12 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 11.2 hours before the alert went out and 164 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
- 1520 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 678 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 KLOT 241111 WSWLOT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 511 AM CST SAT FEB 24 2007 .A VERY STRONG WINTER STORM WILL IMPACT NORTH CENTRAL AND NORTHEAST ILLINOIS AND NORTHWEST INDIANA TONIGHT AND SUNDAY... .A VERY STRONG LOW WILL MOVE FROM KANSAS TO NORTHERN ILLINOIS BY MONDAY MORNING. THIS STORM WILL PRODUCE STRONG WIND FOR ALL OF THE REGION OF NORTHERN ILLINOIS AND NORTHWEST INDIANA THIS AFTERNOON THROUGH SUNDAY. MOST OF THE REGION WILL HAVE SNOW... SLEET AND FREEZING RAIN THIS AFTERNOON THROUGH TONIGHT AND SUNDAY. MOST OF THE SNOW WILL FALL NEAR THE WISCONSIN BORDER. RAIN AND FREEZING RAIN IS EXPECTED IN CENTRAL ILLINOIS. ILZ003>006-008-241915- /O.UPG.KLOT.WS.A.0003.070224T1800Z-070226T0000Z/ /O.NEW.KLOT.BZ.W.0002.070224T2200Z-070225T1800Z/ WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE- INCLUDING THE CITIES OF...ROCKFORD...WOODSTOCK...WAUKEGAN... OREGON 511 AM CST SAT FEB 24 2007 ...BLIZZARD WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. THERE COULD BE SNOW AMOUNTS UP TO EIGHT INCHES ALONG THE WISCONSIN BORDER. THE WIND WILL BE AROUND 30 TO 35 MPH WITH GUSTS TO 40 MPH. THIS WILL CREATE LOW VISIBILITY AND DRIFTING SNOW LATER TONIGHT. THERE MAY BE SLEET ACCUMULATION NEAR INTERSTATE 88. TRAVEL WILL BE EXTREMELY DANGEROUS ALONG INTERSTATE 90 AND INTERSTATE 39. MOST OF THE BLIZZARD CONDITIONS ARE EXPECTED TO BE NORTH OF INTERSTATE 88. ALL SECONDARY ROADS WILL BE VERY DANGEROUS TO DRIVE ON. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ ILZ010>014-019>022-241915- /O.UPG.KLOT.WS.A.0003.070224T1800Z-070226T0000Z/ /O.NEW.KLOT.WS.W.0003.070224T2200Z-070225T1800Z/ LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL- INCLUDING THE CITIES OF...DIXON...DEKALB...AURORA...CHICAGO... OTTAWA...OSWEGO...MORRIS...JOLIET 511 AM CST SAT FEB 24 2007 ...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. TOTAL SNOW AMOUNTS BY MONDAY MORNING MAY REACH 4 INCHES. BUT THIS WARNING IS FOR FREEZING RAIN AND SLEET AS WELL. FREEZING RAIN MAY START LATE THIS AFTERNOON. BY TONIGHT FREEZING RAIN AND SLEET IS EXPECTED TO OCCUR. THIS WILL MAKE THE ROAD VERY ICY EVEN BEFORE SNOW FALLS. THE SNOW WILL FALL LATE TONIGHT AND SUNDAY MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ ILZ023-241915- /O.NEW.KLOT.WS.W.0003.070224T2200Z-070225T1800Z/ KANKAKEE- INCLUDING THE CITY OF...KANKAKEE 511 AM CST SAT FEB 24 2007 ...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY. TOTAL SNOW AMOUNTS BY MONDAY MORNING MAY REACH 4 INCHES. BUT THIS WARNING IS FOR FREEZING RAIN AND SLEET AS WELL. FREEZING RAIN MAY START LATE THIS AFTERNOON. BY TONIGHT FREEZING RAIN AND SLEET IS EXPECTED TO OCCUR. THIS WILL MAKE THE ROAD VERY ICY EVEN BEFORE SNOW FALLS. THE SNOW WILL FALL LATE TONIGHT AND SUNDAY MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ INZ001-002-241915- /O.UPG.KLOT.WS.A.0003.070224T1800Z-070226T0000Z/ /O.NEW.KLOT.ZR.Y.0003.070225T0000Z-070225T1800Z/ LAKE INDIANA-PORTER- INCLUDING THE CITIES OF...GARY...VALPARAISO 511 AM CST SAT FEB 24 2007 ...FREEZING RAIN ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A FREEZING RAIN ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. THE FREEZING RAIN WILL BEGIN THIS EVENING AND CONTINUE THROUGH THE NIGHT. BY MORNING THERE MAY BE RAIN AND ICE PELLETS AROUND BENTON COUNTY INDIANA AND SNOW AND SLEET IN NORTHERN PORTER AND LAKE COUNTIES IN INDIANA. WE EXPECT ICE ACCUMULATIONS TO BE LESS THAN ONE QUARTER OF AN INCH BY SUNDAY AFTERNOON. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ INZ010-011-019-241915- /O.NEW.KLOT.ZR.Y.0003.070225T0000Z-070225T1800Z/ NEWTON-JASPER-BENTON- INCLUDING THE CITIES OF...MOROCCO...RENSSELAER...FOWLER 511 AM CST SAT FEB 24 2007 /611 AM EST SAT FEB 24 2007/ ...FREEZING RAIN ADVISORY IN EFFECT FROM 6 PM CST /7 PM EST/ THIS EVENING TO 12 PM CST /1 PM EST/ SUNDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A FREEZING RAIN ADVISORY...WHICH IS IN EFFECT FROM 6 PM CST /7 PM EST/ THIS EVENING TO 12 PM CST /1 PM EST/ SUNDAY. THE FREEZING RAIN WILL BEGIN THIS EVENING AND CONTINUE THROUGH THE NIGHT. BY MORNING THERE MAY BE RAIN AND ICE PELLETS AROUND BENTON COUNTY INDIANA AND SNOW AND SLEET IN NORTHERN PORTER AND LAKE COUNTIES IN INDIANA. WE EXPECT ICE ACCUMULATIONS TO BE LESS THAN ONE QUARTER OF AN INCH BY SUNDAY AFTERNOON. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ ILZ032-033-039-241915- /O.NEW.KLOT.ZR.Y.0003.070225T0000Z-070225T1200Z/ LIVINGSTON-IROQUOIS-FORD- INCLUDING THE CITIES OF...PONTIAC...WATSEKA...PAXTON 511 AM CST SAT FEB 24 2007 ...FREEZING RAIN ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A FREEZING RAIN ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY. THE FREEZING RAIN WILL BEGIN LATE THIS AFTERNOON AND CONTINUE THROUGH THE NIGHT. BY MORNING THERE WARM AIR WILL MOVE INTO CENTRAL ILLINOIS AND THE PRECIPITATION MAY BE RAIN. WE EXPECT ICE ACCUMULATIONS TO BE LESS THAN ONE QUARTER OF AN INCH BY SUNDAY MORNING. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
3 follow-up statements
000 WWUS43 KLOT 241704 WSWLOT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1104 AM CST SAT FEB 24 2007 .A VERY STRONG WINTER STORM WILL IMPACT NORTH CENTRAL AND NORTHEAST ILLINOIS AND NORTHWEST INDIANA TONIGHT AND SUNDAY... .A VERY STRONG LOW WILL MOVE FROM KANSAS TO NORTHERN ILLINOIS BY MONDAY MORNING. A MIX OF FREEZING RAIN SLEET AND SNOW WILL AFFECT NORTHERN ILLINOIS AND NORTHWEST INDIANA LATER THIS AFTERNOON THROUGH MONDAY. FREEZING RAIN AND SLEET WILL BE THE PREDOMINATE PRECIPITATION TYPES TONIGHT EXCEPT NEAR THE WISCONSIN BORDER WHERE SNOW WILL PREVAIL. GUSTY EAST AND SOUTHEAST WINDS TO 40 MPH WILL ALSO OCCUR TONIGHT AND EARLY SUNDAY. INZ001-002-250115- /O.UPG.KLOT.ZR.Y.0003.070225T0000Z-070225T1800Z/ /O.EXB.KLOT.WS.W.0003.070225T0000Z-070225T1800Z/ LAKE INDIANA-PORTER- INCLUDING THE CITIES OF...GARY...VALPARAISO 1104 AM CST SAT FEB 24 2007 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY. THE FREEZING RAIN ADVISORY IS NO LONGER IN EFFECT. THE FREEZING RAIN AND SOME SLEET WILL BEGIN BY SUNSET AND CONTINUE THROUGH THE NIGHT. PRECIPITATION MAY TO ALL RAIN LATER TONIGHT AND SUNDAY IF TEMPERATURES WARM ABOVE FREEZING. OTHERWISE ICE MAY RESULT IN TREE AND POWER LINE DAMAGE. COLDER AIR MOVING IN LATER SUNDAY AND MONDAY WILL TURN THE REMAINING PRECIPITATION TO ALL SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ ILZ003>006-008-250115- /O.CON.KLOT.BZ.W.0002.070224T2200Z-070225T1800Z/ WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE- INCLUDING THE CITIES OF...ROCKFORD...WOODSTOCK...WAUKEGAN... OREGON 1104 AM CST SAT FEB 24 2007 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY... A BLIZZARD WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY. SNOW AND SLEET WILL DEVELOP LATE THIS AFTERNOON AND CONTINUE ON THROUGH TONIGHT INTO MIDDAY SUNDAY. SNOW MAY BE HEAVY AT TIMES WITH GUSTY WINDS TO 40 MPH. LOW VISIBILITIES AND FALLING SNOW WILL MAKE TRAVEL DIFFICULT LATER TONIGHT AND SUNDAY. TOTAL SNOW ACCUMULATIONS MAY EXCEED 6 INCHES NEAR THE WISCONSIN BORDER WITH ADDITIONAL LIGHT SNOW FALLING SUNDAY NIGHT INTO MONDAY. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ ILZ010>014-019>023-250115- /O.CON.KLOT.WS.W.0003.070224T2200Z-070225T1800Z/ LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL- KANKAKEE- INCLUDING THE CITIES OF...DIXON...DEKALB...AURORA...CHICAGO... OTTAWA...OSWEGO...MORRIS...JOLIET...KANKAKEE 1104 AM CST SAT FEB 24 2007 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY. FREEZING RAIN AND SLEET WILL OVER SPREAD THE AREA LATE THIS AFTERNOON AND CONTINUE INTO SUNDAY MORNING. SNOW MAY MIX IN FROM TIME TO TIME NORTH OF INTERSTATE 80 WHILE PRECIPITATION MAY TURN TO RAIN WITH WARMER TEMPERATURES SOUTH OF INTERSTATE 80 LATER TONIGHT AND SUNDAY MORNING. ICE ACCUMULATION MAY RESULT IN DAMAGE TO TREES OR POWER LINES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ INZ010-011-019-250115- /O.CON.KLOT.ZR.Y.0003.070225T0000Z-070225T1800Z/ NEWTON-JASPER-BENTON- INCLUDING THE CITIES OF...MOROCCO...RENSSELAER...FOWLER 1104 AM CST SAT FEB 24 2007 /1204 PM EST SAT FEB 24 2007/ ...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 6 PM CST /7 PM EST/ THIS EVENING TO 12 PM CST /1 PM EST/ SUNDAY... A FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 6 PM CST /7 PM EST/ THIS EVENING TO 12 PM CST /1 PM EST/ SUNDAY. THE FREEZING RAIN WILL BEGIN THIS EVENING AND CONTINUE THROUGH THE NIGHT. THE FREEZING RAIN MAY CHANGE TO RAIN LATER TONIGHT AND SUNDAY MORNING AS TEMPERATURES RISE ABOVE FREEZING. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ ILZ032-033-039-250115- /O.CON.KLOT.ZR.Y.0003.070225T0000Z-070225T1200Z/ LIVINGSTON-IROQUOIS-FORD- INCLUDING THE CITIES OF...PONTIAC...WATSEKA...PAXTON 1104 AM CST SAT FEB 24 2007 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY... A FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY. THE FREEZING RAIN WILL BEGIN THIS EVENING AND CONTINUE THROUGH THE NIGHT. THE FREEZING RAIN IS EXPECTED TO CHANGE TO RAIN DURING THE NIGHT AND SUNDAY MORNING AS TEMPERATURES RISE ABOVE FREEZING. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
000 WWUS43 KLOT 241711 CCA WSWLOT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1104 AM CST SAT FEB 24 2007 .A VERY STRONG WINTER STORM WILL IMPACT NORTH CENTRAL AND NORTHEAST ILLINOIS AND NORTHWEST INDIANA TONIGHT AND SUNDAY... .A VERY STRONG LOW WILL MOVE FROM KANSAS TO NORTHERN ILLINOIS BY MONDAY MORNING. A MIX OF FREEZING RAIN SLEET AND SNOW WILL AFFECT NORTHERN ILLINOIS AND NORTHWEST INDIANA LATER THIS AFTERNOON THROUGH MONDAY. FREEZING RAIN AND SLEET WILL BE THE PREDOMINATE PRECIPITATION TYPES TONIGHT EXCEPT NEAR THE WISCONSIN BORDER WHERE SNOW WILL PREVAIL. GUSTY EAST AND SOUTHEAST WINDS TO 40 MPH WILL ALSO OCCUR TONIGHT AND EARLY SUNDAY. INZ001-002-250115- /O.UPG.KLOT.ZR.Y.0003.070225T0000Z-070225T1800Z/ /O.EXB.KLOT.WS.W.0003.070225T0000Z-070225T1800Z/ LAKE INDIANA-PORTER- INCLUDING THE CITIES OF...GARY...VALPARAISO 1104 AM CST SAT FEB 24 2007 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY. THE FREEZING RAIN ADVISORY IS NO LONGER IN EFFECT. THE FREEZING RAIN AND SOME SLEET WILL BEGIN BY SUNSET AND CONTINUE THROUGH THE NIGHT. PRECIPITATION MAY CHANGE TO ALL RAIN LATER TONIGHT AND SUNDAY IF TEMPERATURES WARM ABOVE FREEZING. OTHERWISE ICE MAY RESULT IN TREE AND POWER LINE DAMAGE. COLDER AIR MOVING IN LATER SUNDAY AND MONDAY WILL TURN THE REMAINING PRECIPITATION TO ALL SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ ILZ003>006-008-250115- /O.CON.KLOT.BZ.W.0002.070224T2200Z-070225T1800Z/ WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE- INCLUDING THE CITIES OF...ROCKFORD...WOODSTOCK...WAUKEGAN... OREGON 1104 AM CST SAT FEB 24 2007 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY... A BLIZZARD WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY. SNOW AND SLEET WILL DEVELOP LATE THIS AFTERNOON AND CONTINUE ON THROUGH TONIGHT INTO MIDDAY SUNDAY. SNOW MAY BE HEAVY AT TIMES WITH GUSTY WINDS TO 40 MPH. LOW VISIBILITIES AND FALLING SNOW WILL MAKE TRAVEL DIFFICULT LATER TONIGHT AND SUNDAY. TOTAL SNOW ACCUMULATIONS MAY EXCEED 6 INCHES NEAR THE WISCONSIN BORDER WITH ADDITIONAL LIGHT SNOW FALLING SUNDAY NIGHT INTO MONDAY. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ ILZ010>014-019>023-250115- /O.CON.KLOT.WS.W.0003.070224T2200Z-070225T1800Z/ LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL- KANKAKEE- INCLUDING THE CITIES OF...DIXON...DEKALB...AURORA...CHICAGO... OTTAWA...OSWEGO...MORRIS...JOLIET...KANKAKEE 1104 AM CST SAT FEB 24 2007 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 12 PM CST SUNDAY. FREEZING RAIN AND SLEET WILL SPREAD OVER THE AREA LATE THIS AFTERNOON AND CONTINUE INTO SUNDAY MORNING. SNOW MAY MIX IN FROM TIME TO TIME NORTH OF INTERSTATE 80 WHILE PRECIPITATION MAY TURN TO RAIN WITH WARMER TEMPERATURES SOUTH OF INTERSTATE 80 LATER TONIGHT AND SUNDAY MORNING. ICE ACCUMULATION MAY RESULT IN DAMAGE TO TREES OR POWER LINES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ INZ010-011-019-250115- /O.CON.KLOT.ZR.Y.0003.070225T0000Z-070225T1800Z/ NEWTON-JASPER-BENTON- INCLUDING THE CITIES OF...MOROCCO...RENSSELAER...FOWLER 1104 AM CST SAT FEB 24 2007 /1204 PM EST SAT FEB 24 2007/ ...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 6 PM CST /7 PM EST/ THIS EVENING TO 12 PM CST /1 PM EST/ SUNDAY... A FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 6 PM CST /7 PM EST/ THIS EVENING TO 12 PM CST /1 PM EST/ SUNDAY. THE FREEZING RAIN WILL BEGIN THIS EVENING AND CONTINUE THROUGH THE NIGHT. THE FREEZING RAIN MAY CHANGE TO RAIN LATER TONIGHT AND SUNDAY MORNING AS TEMPERATURES RISE ABOVE FREEZING. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ ILZ032-033-039-250115- /O.CON.KLOT.ZR.Y.0003.070225T0000Z-070225T1200Z/ LIVINGSTON-IROQUOIS-FORD- INCLUDING THE CITIES OF...PONTIAC...WATSEKA...PAXTON 1104 AM CST SAT FEB 24 2007 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY... A FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY. THE FREEZING RAIN WILL BEGIN THIS EVENING AND CONTINUE THROUGH THE NIGHT. THE FREEZING RAIN IS EXPECTED TO CHANGE TO RAIN DURING THE NIGHT AND SUNDAY MORNING AS TEMPERATURES RISE ABOVE FREEZING. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
000 WWUS43 KLOT 242054 WSWLOT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 254 PM CST SAT FEB 24 2007 .A VERY STRONG WINTER STORM WILL AFFECT NORTH CENTRAL AND NORTHEAST ILLINOIS AND NORTHWEST INDIANA TONIGHT AND SUNDAY... .A VERY STRONG LOW WILL MOVE FROM KANSAS TO NORTHERN ILLINOIS BY MONDAY MORNING. A MIX OF FREEZING RAIN SLEET AND SNOW WILL AFFECT NORTHERN ILLINOIS AND NORTHWEST INDIANA TONIGHT THROUGH MONDAY. FREEZING RAIN AND SLEET WILL BE THE PREDOMINATE PRECIPITATION TYPES TONIGHT EXCEPT NEAR THE WISCONSIN BORDER WHERE SLEET AND SNOW WILL PREVAIL. GUSTY EAST AND SOUTHEAST WINDS TO 40 MPH WILL ALSO OCCUR TONIGHT AND EARLY SUNDAY. ILZ008-250500- /O.CAN.KLOT.BZ.W.0002.070224T2200Z-070225T1800Z/ /O.NEW.KLOT.IS.W.0001.070225T0000Z-070225T1200Z/ OGLE- INCLUDING THE CITY OF...OREGON 254 PM CST SAT FEB 24 2007 ...ICE STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED AN ICE STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY. THE BLIZZARD WARNING HAS BEEN CANCELED. THE MAIN THREAT FROM THE APPROACHING WINTER STORM APPEARS TO BE FREEZING RAIN AND SOME SLEET. THEREFORE THE WINTER WEATHER WARNING HAS BEEN CHANGED TO AN ICE STORM WARNING. FREEZING RAIN WILL SPREAD IN FROM THE SOUTHWEST BEFORE SUNSET AND CONTINUE THIS EVENING BEFORE TURNING TO DRIZZLE OR FREEZING DRIZZLE LATER TONIGHT. AN ISOLATED THUNDERSTORM IS POSSIBLE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. $$ ILZ003>006-250500- /O.CAN.KLOT.BZ.W.0002.070224T2200Z-070225T1800Z/ /O.NEW.KLOT.WS.W.0004.070225T0000Z-070225T1200Z/ WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS- INCLUDING THE CITIES OF...ROCKFORD...WOODSTOCK...WAUKEGAN 254 PM CST SAT FEB 24 2007 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY. THE BLIZZARD WARNING HAS BEEN CANCELED. THE APPROACHING WINTER STORM WILL SPREAD SLEET SNOW AND SOME FREEZING RAIN INTO THE REGION EARLY THIS EVENING. ANY SNOW ACCUMULATION WILL BE REDUCED BY THE PRECIPITATION MIX. EXPECTED SNOW ACCUMULATION MAY BE 2 TO 4 INCHES ALONG THE WISCONSIN BORDER BY MIDDAY SUNDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ ILZ010>014-019>023-250500- /O.CAN.KLOT.WS.W.0003.070224T2200Z-070225T1800Z/ /O.NEW.KLOT.IS.W.0001.070225T0000Z-070225T1200Z/ LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL- KANKAKEE- INCLUDING THE CITIES OF...DIXON...DEKALB...AURORA...CHICAGO... OTTAWA...OSWEGO...MORRIS...JOLIET...KANKAKEE 254 PM CST SAT FEB 24 2007 ...ICE STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED AN ICE STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY. THE WINTER STORM WARNING HAS BEEN CANCELED. FREEZING RAIN WILL OVER SPREAD THE AREA EARLY THIS EVENING. RAIN MAY BE MODERATE AT TIMES AND SIGNIFICANT ICE ACCUMULATION IS POSSIBLE. PRECIPITATION MAY BE MIXED WITH SLEET OR SNOW IN SOME AREAS. THE HEAVIEST RAIN OR SLEET WILL OCCUR THIS EVENING WITH DRIZZLE DEVELOPING LATER IN THE NIGHT. GUSTY EAST WINDS ARE ALSO EXPECTED. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. $$ INZ001-002-250500- /O.CAN.KLOT.WS.W.0003.070225T0000Z-070225T1800Z/ /O.NEW.KLOT.IS.W.0001.070225T0000Z-070225T1200Z/ LAKE INDIANA-PORTER- INCLUDING THE CITIES OF...GARY...VALPARAISO 254 PM CST SAT FEB 24 2007 ...ICE STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED AN ICE STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY. THE WINTER STORM WARNING HAS BEEN CANCELED. THE FREEZING RAIN AND SOME SLEET WILL BEGIN BY SUNSET AND CONTINUE THROUGH THE NIGHT. PRECIPITATION MAY CHANGE TO ALL RAIN LATER TONIGHT AND SUNDAY IF TEMPERATURES WARM ABOVE FREEZING. OTHERWISE ICE WILL RESULT IN TREE AND POWER LINE DAMAGE. COLDER AIR MOVING IN LATER SUNDAY AND MONDAY WILL TURN THE REMAINING PRECIPITATION TO ALL SNOW. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. $$ INZ010-011-250500- /O.UPG.KLOT.ZR.Y.0003.070225T0000Z-070225T1800Z/ /O.NEW.KLOT.IS.W.0001.070225T0000Z-070225T1200Z/ NEWTON-JASPER- INCLUDING THE CITIES OF...MOROCCO...RENSSELAER 254 PM CST SAT FEB 24 2007 ...ICE STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED AN ICE STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY. THE FREEZING RAIN ADVISORY IS NO LONGER IN EFFECT. FREEZING RAIN OR SLEET WILL BEGIN EARLY THIS EVENING AND CONTINUE OVERNIGHT. THE FREEZING RAIN WILL CHANGE TO RAIN LATER TONIGHT AND SUNDAY MORNING AS TEMPERATURES RISE ABOVE FREEZING. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. $$ INZ019-250500- /O.EXT.KLOT.ZR.Y.0003.070225T0000Z-070225T1200Z/ BENTON- INCLUDING THE CITY OF...FOWLER 354 PM EST SAT FEB 24 2007 ...FREEZING RAIN ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST SUNDAY... THE FREEZING RAIN ADVISORY IS NOW IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST SUNDAY. THE FREEZING RAIN WILL BEGIN THIS EVENING AND CONTINUE THROUGH THE NIGHT. THE FREEZING RAIN MAY CHANGE TO RAIN LATER TONIGHT AND SUNDAY MORNING AS TEMPERATURES RISE ABOVE FREEZING. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ ILZ032-033-039-250500- /O.CON.KLOT.ZR.Y.0003.070225T0000Z-070225T1200Z/ LIVINGSTON-IROQUOIS-FORD- INCLUDING THE CITIES OF...PONTIAC...WATSEKA...PAXTON 254 PM CST SAT FEB 24 2007 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY... A FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SUNDAY. THE FREEZING RAIN OR SLEET WILL BEGIN THIS EVENING AND CONTINUE THROUGH THE NIGHT. THE FREEZING RAIN IS EXPECTED TO CHANGE TO RAIN DURING THE NIGHT AND SUNDAY MORNING AS TEMPERATURES RISE ABOVE FREEZING. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
What forecasters said that day
The local office's own words before this blizzard warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Chicago, IL wrote its last area forecast discussion before this blizzard warning went out at Feb 24, 3:45 AM CST, 1 hour 26 minutes earlier.
Area forecast discussion, Feb 24, 3:45 AM CST, 1 hour 26 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
345 AM CST SAT FEB 24 2007
.DISCUSSION...
345 AM CST
THIS IS A VERY DYNAMIC AND BAROCLINIC SURFACE CYCLONE DEVELOPING
IN KANSAS. THERE IS STRONG WARM AIR ADVECTION EAST OF THE LOW WHICH
IS IN WESTERN KANSAS. THUNDERSTORMS FROM OKLAHOMA TO WESTERN IOWA
SHOW THE LARGE INSTABILITY. THE PROFILER WIND AT 300 MB AT 09 UTC
SHOWS A 120 KNOT JET STREAK IN WEST CENTRAL TEXAS. WATER VAPOR LOOPS
SHOW THE INTENSE CIRCULATION OVER SOUTHEAST COLORADO. WE EXPECT THIS
SURFACE CYCLONE TO DEEPEN AND MOVE INTO SOUTHEAST IOWA BY 12 UTC
SUNDAY. THE ACARS SOUNDING AT ORD SHOWS AN INVERSION AND THE STRONG
WIND ABOVE 1400 FT FROM THE EAST. TAMDAR SOUNDING AT PIA AT 336 UTC
SHOWS A DRY LAYER AROUND 900 MB. THIS DRY LAYER WAS UP TO 800 MB.
AS THE LOW DEEPENS THE WIND WILL INCREASE DUE TO THE INCREASE IN THE
PRESSURE GRADIENT. WE MAY HAVE WIND GUSTS TO 40 MPH IN NORTH CENTRAL
ILLINOIS. UPPER AIR SUPPORT WITH THIS STORM AND A STRONG COLD
CONVEYOR BELT WILL INCREASE MID LEVEL BAROCLINICITY AND INCREASE
UPWARD VERTICAL MOTION OVER NORTHERN ILLINOIS AND NORTHWEST INDIANA.
THIS CAN BE SEEN ON THE ISENTROPIC FORECASTS FOR 290 AND 300 K
SURFACES. THE WARM AIR WHICH WILL WRAP AROUND THE EAST SIDE OF THE
LOW WILL KEEP THE SNOW TO A MINIMUM OVER THE SOUTHERN PARTS OF THE
FORECAST AREA OF NORTHERN ILLINOIS AND NORTHWEST INDIANA. WE WILL
FORECAST THE HEAVIEST SNOW ALONG THE WISCONSIN BORDER. THE STRONG
WIND AND SNOW IS EXPECTED TO CAUSE BLOWING SNOW. SO A BLIZZARD
WARNING WAS ISSUED FOR EXTREME NORTHERN ILLINOIS. THE CENTER PART OF
THE FORECAST AREA CAN EXPECT FREEZING RAIN...SLEET AND SNOW. THERE
WILL BF FREEZING RAIN AND RAIN WILL IN THE SOUTH THIRD OF THE
FORECAST AREA.
WE WILL ISSUE A WINTER STORM ADVISORY FOR MOST OF NORTHEAST
ILLINOIS. THIS WILL BE FOR FREEZING RAIN AND ICE PELLETS. A DRY SLOT
MAY MOVE INTO EASTERN ILLINOIS AND NORTHWEST INDIANA BY SUNDAY
MORNING. THE FORECAST SOUNDINGS SHOW FREEZING RAIN IN THE SOUTHERN
PORTIONS OF THE CWA AND IN INDIANA. WE WILL FORECAST FREEZING RAIN
FOR THOSE COUNTIES. ON SUNDAY NIGHT THE SURFACE LOW MOVES INTO
NORTHERN ILLINOIS. WE EXPECT THE WIND TO DIMINISH LATE SUNDAY
AFTERNOON. THEN COLD AIR IS EXPECTED TO MOVE IN AND THE
PRECIPITATION WILL BECOME SNOW. ALONG THE WISCONSIN BORDER THIS
STORM MAY PRODUCE UP TO EIGHT INCHES OF SNOW FOR A TOTAL SNOWFALL BY
MONDAY MORNING.
BY TUESDAY THE 500 MB CLOSED LOW WILL BE OVER MICHIGAN. THE
PRECIPITATION WILL MOVE EAST BY THURSDAY THE HIGH TEMPERATURES
WILL BE IN THE 40S. BY FRIDAY ANOTHER 500 MB TROUGH WAVE IS EXPECTED
TO BE OVER MINNESOTA AND IOWA GIVING A CHANCE OF RAIN AND SNOW
WEDNESDAY NIGHT AND THURSDAY.
&&
.AVIATION...
1100 PM CST
06Z TAFS...BAND OF -SN PASSING JUST NORTH OF ORD ATTM...WITH NO
RADAR ECHOES UPSTREAM ACROSS CENTRAL IL AND MO. WINDS HAVE TURNED A
BIT MORE EASTERLY IN THE LAST FEW HRS...SO EXPECT MVFR CIGS COMING
OFF LAKE MICHIGAN TO HOLD NORTH OF ORD THROUGH THE REST OF THE
NIGHT.
WINDS INCREASE SHARPLY TOMORROW OUT OF THE EAST AS LOW PRESSURE
RAPIDLY DEEPENS OVR KS AND SFC HIGH REMAINS OVR ONTARIO. WARM AND
VERY MOIST AIR ADVECTING NWD OVR THE COOL AND DRIER SFC LAYER LATE
SAT AFTN SHOULD ALLOW SOME -FZDZ TO DEVELOP LATE SAT AFTN. FCST
SOUNDINGS ARE INDICATING TEMPS RIGHT NEAR THE 0 DEG C ISOTHERM
THROUGH SAT EVENING. THERE IS SOME QUESTION AS TO WHETHER THE
STRENGTH OF LOW LEVEL WARM AIR SURGING NORTHWARD IN 75KT H8 JET WILL
PUSH TEMP PROFILES ABV FREEZING. THUS...KEPT P-TYPE FZRA FOR THE
CHICAGO AREA TERMINALS FROM 23Z THROUGH 06Z AND INDICATED A MIX OF
FZRASNPL FOR RFD FOR THE SAME TIME FRAME. STRONGLY FORCED BAND
INDICATED BY THE MODELS SHOULD CROSS THE AIRPORTS BTWN 03-06Z. THE
DEEPER CONVECTION ASSOCIATED WITH THIS BAND SHOULD ALLOW MORE PL FOR
A PERIOD AND PERHAPS MDT SN/PL AT RFD WHERE TEMPS WILL BE A FEW
DEGREES COOLER.
HANDEL
&&
.LOT WATCHES/WARNINGS/ADVISORIES...
.IL...BLIZZARD WARNING 22 UTC TO 18 UTC SUNDAY WINNEBAGO...BOONE
MCHENRY AND OGLE COUNTIES IN ILLIOIS
WINTER STORM WARNING FROM LEE COUNTY TO COOK COUNTY AND FROM
LAKE COUNTY IN ILLINOIS TO KANKAKEE COUNTY FROM 00 UTC TO 18
UTC SUNDAY.
FREEZING RAIN ADVISORY 00 UTC TO 12 UTC SUNDAY LIVINGSTON
IROQUOIS AND FORD COUNTIES IN ILLINOIS.
.IN...FREEZING RAIN ADVISORY FOR LAKE PORTER JASPER NEWTON AND BENTON
COUNTIES IN INDIANA FROM 00 UTC TO 18 UTC SUNDAY.
.LM...GALE WRNG ALL LM AND NR SHORES TODAY THROUGH SUNDAY NIGHT.
&&Hazardous weather outlook, Feb 24, 4:30 AM CST, 41 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 430 AM CST SAT FEB 24 2007 ILZ003>006-008-010>014-019>022-023-032-033-039-INZ001-002-010-011- 019-251030- WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DU PAGE-COOK- LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD- LAKE IN-PORTER-NEWTON-JASPER-BENTON- 430 AM CST SAT FEB 24 2007 THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST ILLINOIS...AND NORTHWEST INDIANA. .DAY ONE... TODAY AND TONIGHT A MAJOR WINTER STORM WILL MOVE INTO ILLINOIS TONIGHT. THERE ARE BLIZZARD WARNINGS...WINTER STORM WARNINGS AND FREEZING RAIN ADVISORY IN EFFECT. SEE THOSE PRODUCTS FOR DETAILS. .DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY THE MAJOR WINTER STORM WILL CONTINUE TO MOVE THROUGH ILLINOIS SUNDAY THROUGH MONDAY. THERE ARE BLIZZARD WARNINGS...WINTER STORM WARNINGS AND FREEZING RAIN ADVISORY IN EFFECT. SEE THOSE PRODUCTS FOR DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NECESSARY. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO (LOWER CASE) LMZ740>745-766-251030- WINTHROP HARBOR IL TO MICHIGAN CITY IN- LAKE MICHIGAN- 430 AM CST SAT FEB 24 2007 THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS AND INDIANA WATERS OF LAKE MICHIGAN. .DAY ONE... TODAY AND TONIGHT A GALE WARNING IS IN EFFECT TODAY AND TONIGHT FOR THE NEARSHORE OF LAKE MICHIGAN IN INDIANA AND ILLINOIS. .DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY <TYPE YOUR DAY 2-7 TEXT HERE> A GALE WARNING WILL BE IN EFFECT THROUGH SUNDAY FOR THE NEARSHORE OF INDIANA AND ILLINOIS. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO (LOWER CASE)
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 5:11 AM CST | Winter Storm Warning | LOT | DeKalb, DuPage, Grundy, Kane, Kankakee, Kendall and 2 more | 10 hr |
| Feb 24, 5:11 AM CST | Freezing Rain Advisory | LOT | Ford, Iroquois, Livingston | 12 hr |
| Feb 24, 2:54 PM CST | Ice Storm Warning | LOT | DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 6 more | 14 hr |
| Feb 24, 2:54 PM CST | Winter Storm Warning | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 17 hr |
Nearby
Blizzard Warnings in Illinois, 2007Every blizzard warning 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.