Alert archive / Illinois / Wind Advisories in 2021
Wind Advisory 8, NWS Chicago, IL
NWS Chicago, IL issued this wind advisory at Dec 5, 2021, 1:54 PM CST for 14 counties in Illinois; Lake County, Porter County, Indiana. It took effect at Dec 6, 2021, 2:00 AM CST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Dec 5, 2021, 1:54 PM CST (19:54 UTC)
- In effect from
- Dec 6, 2021, 2:00 AM CST
- Expired
- Dec 6, 2021, 12:00 PM CST
- In force
- 10 hr
- Issued by
- NWS Chicago, IL
Counties Boone County, IL, Cook County, IL, DeKalb County, IL, DuPage County, IL, Grundy County, IL, Kane County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, McHenry County, IL, Ogle County, IL, Will County, IL, Winnebago County, IL, Lake County, IN, Porter County, IN
The radar
The Chicago radar (KLOT), 35 km from the middle of the area, began a volume at 19:57 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 12:00Z, 7.9 hours before the alert went out and 178 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
- 3108 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 732 m²/s²
- 0-3 km storm-relative helicity
- 870 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
526 WWUS73 KLOT 051954 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 154 PM CST Sun Dec 5 2021 ILZ003>006-008-010>013-019>021-103>108-INZ001-002-060400- /O.NEW.KLOT.WI.Y.0008.211206T0800Z-211206T1800Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage- La Salle-Kendall-Grundy-Northern Cook-Central Cook-Southern Cook- Northern Will-Southern Will-Eastern Will-Lake IN-Porter- Including the cities of Rockford, Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, Rochelle, Oregon, Byron, Dixon, 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, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, and Chesterton 154 PM CST Sun Dec 5 2021 ...WIND ADVISORY IN EFFECT FROM 2 AM TO NOON CST MONDAY... * WHAT...Wind gusts from the west up to 45 to 50 mph expected. * WHERE...Portions of north central and northeast Illinois, and far northwest Indiana, mainly along and north of Interstate 80. * WHEN...From 2 AM tonight to noon CST Monday. * 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. && $$ MTF
3 follow-up statements
839 WWUS73 KLOT 060336 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 936 PM CST Sun Dec 5 2021 ILZ003>006-008-010>013-019>021-103>108-INZ001-002-061145- /O.CON.KLOT.WI.Y.0008.211206T0800Z-211206T1800Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage- La Salle-Kendall-Grundy-Northern Cook-Central Cook-Southern Cook- Northern Will-Southern Will-Eastern Will-Lake IN-Porter- Including the cities of Rockford, Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, Rochelle, Oregon, Byron, Dixon, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, and Chesterton 936 PM CST Sun Dec 5 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO NOON CST MONDAY... * WHAT...Wind gusts from the west up to 45 to 50 mph expected. * WHERE...Portions of north central and northeast Illinois, and far northwest Indiana, mainly along and north of Interstate 80. * WHEN...From 2 AM tonight to noon CST Monday. * IMPACTS...Gusty winds could blow around unsecured objects, such as outdoor holiday decorations. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Driving will be difficult for high profile vehicles, especially on north to south roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
187 WWUS73 KLOT 060908 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 308 AM CST Mon Dec 6 2021 ILZ003>006-008-010>013-019>021-103>108-INZ001-002-061800- /O.CON.KLOT.WI.Y.0008.000000T0000Z-211206T1800Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage- La Salle-Kendall-Grundy-Northern Cook-Central Cook-Southern Cook- Northern Will-Southern Will-Eastern Will-Lake IN-Porter- Including the cities of Rockford, Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, Rochelle, Oregon, Byron, Dixon, 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, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, and Chesterton 308 AM CST Mon Dec 6 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Wind gusts from the west up to 45 to 50 mph expected. * WHERE...Portions of north central and northeast Illinois, and far northwest Indiana, mainly along and north of Interstate 80. * WHEN...Until Noon CST today. * 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. && $$ Carlaw
555 WWUS73 KLOT 061625 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1025 AM CST Mon Dec 6 2021 ILZ003>006-008-010>013-019>021-103>108-INZ001-002-061800- /O.CON.KLOT.WI.Y.0008.000000T0000Z-211206T1800Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage- La Salle-Kendall-Grundy-Northern Cook-Central Cook-Southern Cook- Northern Will-Southern Will-Eastern Will-Lake IN-Porter- Including the cities of Rockford, Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, Rochelle, Oregon, Byron, Dixon, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, and Chesterton 1025 AM CST Mon Dec 6 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...West winds around 25 mph with gusts up to 40 to 45 mph. * WHERE...Portions of northwest Indiana and north central and northeast Illinois. * WHEN...Until noon CST today. * IMPACTS...Gusty winds could blow around unsecured objects, such as holiday decorations. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 5, 3:14 AM CST | Gale Warning | LOT | 39 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.