Alert archive / Illinois / Wind Advisories in 2021
Wind Advisory 9, NWS Chicago, IL
NWS Chicago, IL issued this wind advisory at Dec 10, 2021, 2:56 AM CST for 18 counties in Illinois; 5 counties in Indiana. It took effect at Dec 11, 2021, 3:00 AM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Dec 10, 2021, 2:56 AM CST (08:56 UTC)
- In effect from
- Dec 11, 2021, 3:00 AM CST
- Expired
- Dec 11, 2021, 3:00 PM CST
- In force
- 12 hr
- Issued by
- NWS Chicago, IL
All 23 counties
Boone County, IL, Cook County, IL, DeKalb County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, McHenry County, IL, Ogle County, IL, Will County, IL, Winnebago County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Porter County, IN
The radar
The Chicago radar (KLOT), 12 km from the middle of the area, began a volume at 09:01 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, 8.9 hours before the alert went out and 158 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
- 1354 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
136 WWUS73 KLOT 100856 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 256 AM CST Fri Dec 10 2021 ILZ107-108-INZ001-002-101700- /O.NEW.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ /O.EXA.KLOT.FG.Y.0016.000000T0000Z-211210T1800Z/ Southern Will-Eastern Will-Lake IN-Porter- Including the cities of Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, and Chesterton 256 AM CST Fri Dec 10 2021 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...WIND ADVISORY IN EFFECT FROM 3 AM TO 3 PM CST SATURDAY... * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Wind Advisory, west winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In Indiana, Lake IN and Porter Counties. In Illinois, Southern Will and Eastern Will Counties. * WHEN...For the Dense Fog Advisory, until noon CST today. For the Wind Advisory, from 3 AM to 3 PM CST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects, such as outdoor holiday decorations. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Driving will be difficult for high profile vehicles, especially on north to south roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ ILZ023-032-033-039-INZ010-011-019-101700- /O.NEW.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ /O.CON.KLOT.FG.Y.0016.000000T0000Z-211210T1800Z/ Kankakee-Livingston-Iroquois-Ford-Newton-Jasper-Benton- Including the cities of Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 256 AM CST Fri Dec 10 2021 /356 AM EST Fri Dec 10 2021/ ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CST /1 PM EST/ TODAY... ...WIND ADVISORY IN EFFECT FROM 3 AM CST /4 AM EST/ TO 3 PM CST /4 PM EST/ SATURDAY... * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Wind Advisory, west winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In Indiana, Newton, Jasper and Benton Counties. In Illinois, Kankakee, Livingston, Iroquois and Ford Counties. * WHEN...For the Dense Fog Advisory, until noon CST /1 PM EST/ today. For the Wind Advisory, from 3 AM CST /4 AM EST/ to 3 PM CST /4 PM EST/ Saturday. * IMPACTS...Gusty winds could blow around unsecured objects, such as outdoor holiday decorations. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Driving will be difficult for high profile vehicles, especially on north to south roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ ILZ005-006-011>013-019>021-103>106-101700- /O.NEW.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ McHenry-Lake IL-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Northern Cook-Central Cook-Southern Cook-Northern Will- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, and Mokena 256 AM CST Fri Dec 10 2021 ...WIND ADVISORY IN EFFECT FROM 3 AM TO 3 PM CST SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of north central and northeast Illinois. * WHEN...From 3 AM to 3 PM CST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects, such as outdoor holiday decorations. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Driving will be difficult for high profile vehicles, especially on north to south roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
8 follow-up statements
604 WWUS73 KLOT 101145 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 545 AM CST Fri Dec 10 2021 ILZ021-101945- /O.EXA.KLOT.FG.Y.0016.000000T0000Z-211210T1800Z/ /O.CON.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ Grundy- Including the cities of Morris, Coal City, and Minooka 545 AM CST Fri Dec 10 2021 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SATURDAY... * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog and patchy slick spots on elevated roadways and surfaces. For the Wind Advisory, west winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Grundy County. * WHEN...For the Dense Fog Advisory, until noon CST today. For the Wind Advisory, from 3 AM to 3 PM CST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects such as outdoor holiday decorations. Tree limbs could be blown down and a few power outages may result. Hazardous driving conditions may be realized due to low visibility and patchy slick spots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ ILZ023-032-033-039-107-108-INZ001-002-010-011-019-101945- /O.CON.KLOT.FG.Y.0016.000000T0000Z-211210T1800Z/ /O.CON.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ Kankakee-Livingston-Iroquois-Ford-Southern Will-Eastern Will- Lake IN-Porter-Newton-Jasper-Benton- Including the cities of Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 545 AM CST Fri Dec 10 2021 /645 AM EST Fri Dec 10 2021/ ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CST /1 PM EST/ TODAY... ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM CST /4 AM EST/ TO 3 PM CST /4 PM EST/ SATURDAY... * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog and patchy slick spots on elevated roadways and surfaces. For the Wind Advisory, west winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of northwest Indiana and central, east central and northeast Illinois. * WHEN...For the Dense Fog Advisory, until noon CST /1 PM EST/ today. For the Wind Advisory, from 3 AM CST /4 AM EST/ to 3 PM CST /4 PM EST/ Saturday. * IMPACTS...Gusty winds could blow around unsecured objects such as outdoor holiday decorations. Tree limbs could be blown down and a few power outages may result. Hazardous driving conditions may be realized due to low visibility and patchy slick spots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ ILZ005-006-011>013-019-020-103>106-101945- /O.CON.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ McHenry-Lake IL-De Kalb-Kane-DuPage-La Salle-Kendall- Northern Cook-Central Cook-Southern Cook-Northern Will- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, and Mokena 545 AM CST Fri Dec 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of north central and northeast Illinois. * WHEN...From 3 AM to 3 PM CST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects such as outdoor holiday decorations. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
828 WWUS73 KLOT 101746 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1146 AM CST Fri Dec 10 2021 ILZ021-023-032-033-039-107-108-INZ001-002-010-011-019-110200- /O.EXP.KLOT.FG.Y.0016.000000T0000Z-211210T1800Z/ /O.CON.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ Grundy-Kankakee-Livingston-Iroquois-Ford-Southern Will- Eastern Will-Lake IN-Porter-Newton-Jasper-Benton- Including the cities of Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 1146 AM CST Fri Dec 10 2021 /1246 PM EST Fri Dec 10 2021/ ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM CST /4 AM EST/ TO 3 PM CST /4 PM EST/ SATURDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT NOON CST /1 PM EST/ TODAY... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of northwest Indiana and central, east central and northeast Illinois. * WHEN...From 3 AM CST /4 AM EST/ to 3 PM CST /4 PM EST/ Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ILZ005-006-011>013-019-020-103>106-110200- /O.CON.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ McHenry-Lake IL-De Kalb-Kane-DuPage-La Salle-Kendall- Northern Cook-Central Cook-Southern Cook-Northern Will- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, and Mokena 1146 AM CST Fri Dec 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM CST SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of north central and northeast Illinois. * WHEN...From 3 AM to 3 PM CST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
606 WWUS73 KLOT 102051 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 251 PM CST Fri Dec 10 2021 ILZ003-004-008-010-110500- /O.EXB.KLOT.WI.Y.0009.211211T0900Z-211211T1800Z/ Winnebago-Boone-Ogle-Lee- Including the cities of Rockford, Belvidere, Rochelle, Oregon, Byron, and Dixon 251 PM CST Fri Dec 10 2021 ...WIND ADVISORY IN EFFECT FROM 3 AM TO NOON CST SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Winnebago, Boone, Ogle and Lee Counties. * WHEN...From 3 AM to noon CST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ILZ005-006-011>013-019>021-023-032-033-039-103>108-INZ001-002-010- 011-019-110500- /O.CON.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ McHenry-Lake IL-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Kankakee-Livingston-Iroquois-Ford-Northern Cook-Central Cook- Southern Cook-Northern Will-Southern Will-Eastern Will-Lake IN- Porter-Newton-Jasper-Benton- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 251 PM CST Fri Dec 10 2021 /351 PM EST Fri Dec 10 2021/ ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM CST /4 AM EST/ TO 3 PM CST /4 PM EST/ SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of northwest Indiana and central, east central, north central and northeast Illinois. * WHEN...From 3 AM CST /4 AM EST/ to 3 PM CST /4 PM EST/ Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
905 WWUS73 KLOT 110510 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1110 PM CST Fri Dec 10 2021 ILZ005-006-011>013-019>021-023-032-033-039-103>108-INZ001-002-010- 011-019-111315- /O.CON.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ McHenry-Lake IL-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Kankakee-Livingston-Iroquois-Ford-Northern Cook-Central Cook- Southern Cook-Northern Will-Southern Will-Eastern Will-Lake IN- Porter-Newton-Jasper-Benton- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 1110 PM CST Fri Dec 10 2021 /1210 AM EST Sat Dec 11 2021/ ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM CST /4 AM EST/ TO 3 PM CST /4 PM EST/ SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of northwest Indiana and central, east central, north central and northeast Illinois. * WHEN...From 3 AM CST /4 AM EST/ to 3 PM CST /4 PM EST/ Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ILZ003-004-008-010-111315- /O.CON.KLOT.WI.Y.0009.211211T0900Z-211211T1800Z/ Winnebago-Boone-Ogle-Lee- Including the cities of Rockford, Belvidere, Rochelle, Oregon, Byron, and Dixon 1110 PM CST Fri Dec 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Winnebago, Boone, Ogle and Lee Counties. * WHEN...From 3 AM to noon CST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
624 WWUS73 KLOT 110826 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 226 AM CST Sat Dec 11 2021 ILZ005-006-011>013-019>021-023-032-033-039-103>108-INZ001-002-010- 011-019-111630- /O.CON.KLOT.WI.Y.0009.211211T0900Z-211211T2100Z/ McHenry-Lake IL-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Kankakee-Livingston-Iroquois-Ford-Northern Cook-Central Cook- Southern Cook-Northern Will-Southern Will-Eastern Will-Lake IN- Porter-Newton-Jasper-Benton- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 226 AM CST Sat Dec 11 2021 /326 AM EST Sat Dec 11 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST /4 PM EST/ THIS AFTERNOON... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Portions of northwest Indiana and central, east central, north central and northeast Illinois. * WHEN...From 3 AM CST /4 AM EST/ to 3 PM CST /4 PM EST/ Saturday. * IMPACTS...Gusty winds could blow around unsecured objects such as holiday decorations. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ILZ003-004-008-010-111630- /O.CON.KLOT.WI.Y.0009.211211T0900Z-211211T1800Z/ Winnebago-Boone-Ogle-Lee- Including the cities of Rockford, Belvidere, Rochelle, Oregon, Byron, and Dixon 226 AM CST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Winnebago, Boone, Ogle and Lee Counties. * WHEN...From 3 AM to noon CST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects such as holiday decorations. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Borchardt
500 WWUS73 KLOT 111638 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1038 AM CST Sat Dec 11 2021 ILZ005-006-011>013-019>021-023-032-033-039-103>108-INZ001-002-010- 011-019-112100- /O.CON.KLOT.WI.Y.0009.000000T0000Z-211211T2100Z/ McHenry-Lake IL-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Kankakee-Livingston-Iroquois-Ford-Northern Cook-Central Cook- Southern Cook-Northern Will-Southern Will-Eastern Will-Lake IN- Porter-Newton-Jasper-Benton- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 1038 AM CST Sat Dec 11 2021 /1138 AM EST Sat Dec 11 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST /4 PM EST/ THIS AFTERNOON... * WHAT...West winds 20 to 30 mph with gusts up to 45 to 50 mph expected. * WHERE...Portions of northwest Indiana and central, east central, north central and northeast Illinois. * WHEN...From 3 AM CST /4 AM EST/ to 3 PM CST /4 PM EST/ Saturday. * IMPACTS...Gusty winds could blow around unsecured objects such as holiday decorations. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ILZ003-004-008-010-111800- /O.CON.KLOT.WI.Y.0009.000000T0000Z-211211T1800Z/ Winnebago-Boone-Ogle-Lee- Including the cities of Rockford, Belvidere, Rochelle, Oregon, Byron, and Dixon 1038 AM CST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...West winds 20 to 30 mph with gusts up to 45 to 50 mph expected. * WHERE...Winnebago, Boone, Ogle and Lee Counties. * WHEN...From 3 AM to noon CST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects such as holiday decorations. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
748 WWUS73 KLOT 111757 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1157 AM CST Sat Dec 11 2021 ILZ003-004-008-010-111900- /O.EXP.KLOT.WI.Y.0009.000000T0000Z-211211T1800Z/ Winnebago-Boone-Ogle-Lee- Including the cities of Rockford, Belvidere, Rochelle, Oregon, Byron, and Dixon 1157 AM CST Sat Dec 11 2021 ...WIND ADVISORY WILL EXPIRE AT NOON CST TODAY... Observations and forecast guidance indicate that winds will ease below advisory criteria this afternoon. Occasional gusts to 40 mph will be possible through 3 PM CST this afternoon. $$ ILZ005-006-011>013-019>021-023-032-033-039-103>108-INZ001-002-010- 011-019-112100- /O.CON.KLOT.WI.Y.0009.000000T0000Z-211211T2100Z/ McHenry-Lake IL-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Kankakee-Livingston-Iroquois-Ford-Northern Cook-Central Cook- Southern Cook-Northern Will-Southern Will-Eastern Will-Lake IN- Porter-Newton-Jasper-Benton- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 1157 AM CST Sat Dec 11 2021 /1257 PM EST Sat Dec 11 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST /4 PM EST/ THIS AFTERNOON... * WHAT...West winds 20 to 30 mph with gusts up to 45 to 50 mph expected. * WHERE...Portions of northwest Indiana and central, east central, north central and northeast Illinois. * WHEN...From 3 AM CST /4 AM EST/ to 3 PM CST /4 PM EST/ Saturday. * IMPACTS...Gusty winds could blow around unsecured objects such as holiday decorations. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
745 WWUS73 KLOT 112054 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 254 PM CST Sat Dec 11 2021 ILZ005-006-011>013-019>021-023-032-033-039-103>108-INZ001-002-010- 011-019-112200- /O.EXP.KLOT.WI.Y.0009.000000T0000Z-211211T2100Z/ McHenry-Lake IL-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Kankakee-Livingston-Iroquois-Ford-Northern Cook-Central Cook- Southern Cook-Northern Will-Southern Will-Eastern Will-Lake IN- Porter-Newton-Jasper-Benton- Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 254 PM CST Sat Dec 11 2021 /354 PM EST Sat Dec 11 2021/ ...WIND ADVISORY WILL EXPIRE AT 3 PM CST /4 PM EST/ THIS AFTERNOON... Observed winds have fallen below advisory criteria. $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 12:27 AM CST | Dense Fog Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, Livingston, Will | 12 hr |
| Dec 10, 4:11 AM CST | Gale Warning | LOT | 38 hr | |
| Dec 10, 4:11 AM CST | Small Craft Advisory | LOT | 23 hr |
Nearby
Wind Advisories in Illinois, 2021Wind Advisories in Indiana, 2021Every wind advisory in 2021
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.