Alert archive / Illinois / Wind Advisories in 2021
Wind Advisory 7, NWS Chicago, IL
NWS Chicago, IL issued this wind advisory at Oct 24, 2021, 3:10 AM CDT for 15 counties in Illinois; Lake County, Indiana. It took effect at Oct 24, 2021, 9:23 PM CDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Oct 24, 2021, 3:10 AM CDT (08:10 UTC)
- In effect from
- Oct 24, 2021, 9:23 PM CDT
- Expired
- Oct 25, 2021, 3:00 PM CDT
- In force
- 18 hr
- Issued by
- NWS Chicago, IL
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, Livingston County, IL, McHenry County, IL, Will County, IL, Lake County, IN
The radar
The Chicago radar (KLOT), 12 km from the middle of the area, began a volume at 08:13 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, 8.2 hours before the alert went out and 161 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
- 1349 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 306 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
550 WWUS73 KLOT 240810 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 310 AM CDT Sun Oct 24 2021 ILZ006-103-104-241615- /O.NEW.KLOT.WI.Y.0007.211025T0500Z-211026T0000Z/ Lake IL-Northern Cook-Central Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 310 AM CDT Sun Oct 24 2021 ...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 PM CDT MONDAY... * WHAT...Blustery east winds gusting between 45 and 50 mph and downed tree limbs expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From midnight tonight to 7 PM CDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects including lawn furniture and Halloween decorations. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Borchardt
7 follow-up statements
016 WWUS73 KLOT 241721 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1221 PM CDT Sun Oct 24 2021 ILZ006-103-104-250130- /O.CON.KLOT.WI.Y.0007.211025T0500Z-211026T0000Z/ Lake IL-Northern Cook-Central Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 1221 PM CDT Sun Oct 24 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 PM CDT MONDAY... * WHAT...Blustery east winds gusting between 45 and 50 mph and downed tree limbs expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From midnight tonight to 7 PM CDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects including lawn furniture and Halloween decorations. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ - Izzi
960 WWUS73 KLOT 241937 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 237 PM CDT Sun Oct 24 2021 ILZ006-103-104-250345- /O.EXT.KLOT.WI.Y.0007.211025T0500Z-211025T2000Z/ Lake IL-Northern Cook-Central Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 237 PM CDT Sun Oct 24 2021 ...WIND ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CDT MONDAY... * WHAT...Blustery east winds gusting between 45 and 50 mph and downed tree limbs expected. * WHERE...Northern and Central Cook County as well as Lake County Illinois. * WHEN...From midnight tonight to 3 PM CDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects including lawn furniture and Halloween decorations. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
781 WWUS73 KLOT 250223 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 923 PM CDT Sun Oct 24 2021 ILZ006-103-104-251030- /O.EXT.KLOT.WI.Y.0007.211025T0223Z-211025T2000Z/ Lake IL-Northern Cook-Central Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 923 PM CDT Sun Oct 24 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 3 PM CDT MONDAY... * WHAT...Blustery east to northeast winds gusting between 45 and 50 mph and downed tree limbs expected. * WHERE...Northern and Central Cook County as well as Lake County Illinois. The strongest winds will occur within a few miles of the lakefront. * WHEN...Until 3 PM CDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects including lawn furniture and Halloween decorations. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
729 WWUS73 KLOT 250816 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 316 AM CDT Mon Oct 25 2021 ILZ004-005-011>013-019>021-023-032-033-039-105>108-INZ001-251800- /O.EXB.KLOT.WI.Y.0007.211025T1200Z-211025T1800Z/ Boone-McHenry-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Kankakee-Livingston-Iroquois-Ford-Southern Cook-Northern Will- Southern Will-Eastern Will-Lake IN- Including the cities of Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, 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, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, and Merrillville 316 AM CDT Mon Oct 25 2021 ...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 1 PM CDT THIS AFTERNOON... * WHAT...Blustery northeast winds gusting between 45 and 50 mph and downed tree limbs expected. * WHERE...Portions of northwest Indiana and central, east central, north central and northeast Illinois. * WHEN...From 7 AM this morning to 1 PM CDT this afternoon. * 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. && $$ ILZ006-103-104-251800- /O.CON.KLOT.WI.Y.0007.000000T0000Z-211025T2000Z/ Lake IL-Northern Cook-Central Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 316 AM CDT Mon Oct 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...Blustery northeast winds gusting between 45 and 50 mph and downed tree limbs expected. * WHERE...Central Cook, Northern Cook and Lake IL Counties. * WHEN...Until 3 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Carlaw
209 WWUS73 KLOT 251511 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1011 AM CDT Mon Oct 25 2021 ILZ006-103-104-252000- /O.CON.KLOT.WI.Y.0007.000000T0000Z-211025T2000Z/ Lake IL-Northern Cook-Central Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 1011 AM CDT Mon Oct 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...Blustery northeast winds gusting between 45 and 50 mph and downed tree limbs expected. * WHERE...Central Cook, Northern Cook and Lake IL Counties. * WHEN...Until 3 PM CDT this afternoon. * 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. && $$ ILZ004-005-011>013-019>021-023-032-033-039-105>108-INZ001-251800- /O.CON.KLOT.WI.Y.0007.000000T0000Z-211025T1800Z/ Boone-McHenry-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Kankakee-Livingston-Iroquois-Ford-Southern Cook-Northern Will- Southern Will-Eastern Will-Lake IN- Including the cities of Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, and Merrillville 1011 AM CDT Mon Oct 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Blustery northeast winds gusting between 45 and 50 mph and downed tree limbs expected. * WHERE...Portions of northwest Indiana and central, east central, north central and northeast Illinois. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
269 WWUS73 KLOT 251755 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1255 PM CDT Mon Oct 25 2021 ILZ004-005-011>013-019>021-023-032-033-039-105>108-INZ001-251900- /O.EXP.KLOT.WI.Y.0007.000000T0000Z-211025T1800Z/ Boone-McHenry-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Kankakee-Livingston-Iroquois-Ford-Southern Cook-Northern Will- Southern Will-Eastern Will-Lake IN- Including the cities of Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, 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, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, and Merrillville 1255 PM CDT Mon Oct 25 2021 ...WIND ADVISORY WILL EXPIRE AT 1 PM CDT THIS AFTERNOON... Winds will continue to ease through the afternoon. $$ ILZ006-103-104-252000- /O.CON.KLOT.WI.Y.0007.000000T0000Z-211025T2000Z/ Lake IL-Northern Cook-Central Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 1255 PM CDT Mon Oct 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...Blustery north northeast winds gusting to 40 to 45 mph, highest near the lake. * WHERE...Central Cook, Northern Cook and Lake IL Counties. * WHEN...Until 3 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
956 WWUS73 KLOT 251947 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 247 PM CDT Mon Oct 25 2021 ILZ006-103-104-252100- /O.EXP.KLOT.WI.Y.0007.000000T0000Z-211025T2000Z/ Lake IL-Northern Cook-Central Cook- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, and La Grange 247 PM CDT Mon Oct 25 2021 ...WIND ADVISORY WILL EXPIRE AT 3 PM CDT THIS AFTERNOON... Winds will continue to abate late this afternoon. $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 23, 9:57 PM CDT | River Flood Watch | LOT | Cook | 12 hr |
| Oct 23, 9:57 PM CDT | River Flood Watch | LOT | Iroquois | 38 hr |
| Oct 23, 9:57 PM CDT | River Flood Watch | LOT | LaSalle | 4 days |
| Oct 23, 9:57 PM CDT | River Flood Watch | LOT | Livingston | 3 days |
| Oct 24, 10:08 AM CDT | River Flood Warning | LOT | Cook | 53 hr |
| Oct 24, 11:28 AM CDT | River Flood Watch | LOT | Grundy, LaSalle | 71 hr |
| Oct 24, 11:28 AM CDT | River Flood Watch | LOT | Bureau, LaSalle, Putnam | 6 days |
| Oct 24, 11:28 AM CDT | River Flood Watch | LOT | LaSalle | 3 days |
| Oct 24, 6:08 PM CDT | Special Weather Statement | LOT | Ford, Livingston | 52 min |
| Oct 24, 6:43 PM CDT | Special Weather Statement | LOT | Iroquois | 77 min |
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.