Alert archive / Illinois / Wind Advisories in 2021
Wind Advisory 2, NWS Chicago, IL
NWS Chicago, IL issued this wind advisory at Mar 10, 2021, 3:25 AM CST for 18 counties in Illinois; 5 counties in Indiana. It took effect at Mar 10, 2021, 11:00 AM CST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Mar 10, 2021, 3:25 AM CST (09:25 UTC)
- In effect from
- Mar 10, 2021, 11:00 AM CST
- Expired
- Mar 11, 2021, 2:00 AM CST
- In force
- 15 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 09:29 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, 9.4 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
- 1769 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 319 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
105 WWUS73 KLOT 100925 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 325 AM CST Wed Mar 10 2021 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-101730- /O.NEW.KLOT.WI.Y.0002.210310T1700Z-210311T0600Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-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 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, 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 325 AM CST Wed Mar 10 2021 /425 AM EST Wed Mar 10 2021/ ...WIND ADVISORY IN EFFECT FROM 11 AM CST /NOON EST/ THIS MORNING TO MIDNIGHT CST /1 AM EST/ TONIGHT... * WHAT...South winds 25 to 30 mph with gusts up to 45 to 50 mph expected. * WHERE...All of northern Illinois and northwest Indiana. * WHEN...From 11 AM CST /noon EST/ this morning to midnight CST /1 AM EST/ tonight. The strongest winds are expected after 1 PM. * IMPACTS...Gusty winds could blow around any objects that are not adequately secured, including tent structures. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles, especially on west to east roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Castro/MTF
5 follow-up statements
235 WWUS73 KLOT 101555 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 955 AM CST Wed Mar 10 2021 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-110000- /O.CON.KLOT.WI.Y.0002.210310T1700Z-210311T0600Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-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 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, 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 955 AM CST Wed Mar 10 2021 /1055 AM EST Wed Mar 10 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST /1 AM EST/ TONIGHT... * WHAT...South winds 25 to 30 mph with gusts up to 45 to 50 mph expected. * WHERE...All of northern Illinois and northwest Indiana. * WHEN...From 11 AM CST /noon EST/ this morning to midnight CST /1 AM EST/ tonight. The strongest winds are expected after 1 PM and into the evening hours. * IMPACTS...Gusty winds could blow around any objects that are not adequately secured, including tent structures. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles, especially on west to east roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Carlaw
892 WWUS73 KLOT 102054 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 254 PM CST Wed Mar 10 2021 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-110500- /O.CON.KLOT.WI.Y.0002.000000T0000Z-210311T0600Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-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 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, 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 Wed Mar 10 2021 /354 PM EST Wed Mar 10 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST /1 AM EST/ TONIGHT... * WHAT...South winds 25 to 30 mph with gusts of 45 to 50 mph expected. A few gusts as high as 55 mph are possible this evening, mainly east of I-55. * WHERE...All of northern Illinois and northwest Indiana. * WHEN...Until midnight CST /1 AM EST/ tonight. * IMPACTS...Gusty winds could blow around any objects that are not adequately secured, including tent structures. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles, especially on west to east roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Carlaw
387 WWUS73 KLOT 110400 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1000 PM CST Wed Mar 10 2021 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-110600- /O.CON.KLOT.WI.Y.0002.000000T0000Z-210311T0600Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-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 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, 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 1000 PM CST Wed Mar 10 2021 /1100 PM EST Wed Mar 10 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST /1 AM EST/ TONIGHT... * WHAT...South winds 20 to 30 mph with gusts of 45 to 50 mph expected. A few gusts as high as 55 mph are still possible this evening. * WHERE...All of northern Illinois and northwest Indiana. * WHEN...Until midnight CST /1 AM EST/ tonight. * IMPACTS...Gusty winds could blow around any objects that are not adequately secured, including tent structures. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles, especially on west to east roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
640 WWUS73 KLOT 110541 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1141 PM CST Wed Mar 10 2021 ILZ003-008-010-110645- /O.EXP.KLOT.WI.Y.0002.000000T0000Z-210311T0600Z/ Winnebago-Ogle-Lee- Including the cities of Rockford, Rochelle, Oregon, Byron, and Dixon 1141 PM CST Wed Mar 10 2021 ...WIND ADVISORY WILL EXPIRE AT MIDNIGHT CST TONIGHT... Wind gusts have eased below 45 mph across Lee, Ogle, and Winnebago Counties, though still some higher gusts with showers could occur through 1 A.M. $$ ILZ004>006-011>013-019>021-023-032-033-039-103>108-INZ001-002-010- 011-019-110800- /O.EXT.KLOT.WI.Y.0002.000000T0000Z-210311T0800Z/ Boone-McHenry-Lake IL-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy- Kankakee-Livingston-Iroquois-Ford-Northern Cook-Central Cook- Southern Cook-Northern Will-Southern Will-Eastern Will-Lake IN- Porter-Newton-Jasper-Benton- Including the cities of Belvidere, Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley, Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, Beecher, Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 1141 PM CST Wed Mar 10 2021 /1241 AM EST Thu Mar 11 2021/ ...WIND ADVISORY NOW IN EFFECT UNTIL 2 AM CST /3 AM EST/ THURSDAY... * WHAT...Southwest winds 20 to 30 mph with gusts of 40 to 50 mph. A few gusts as high as 55 mph have been observed and remain possible. * WHERE...All of northern Illinois and northwest Indiana. * WHEN...Until 2 AM CST /3 AM EST/ Thursday. * IMPACTS...Gusty winds could blow around any objects that are not adequately secured, including tent structures. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTF
856 WWUS73 KLOT 110800 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 200 AM CST Thu Mar 11 2021 ILZ004>006-011>013-019>021-023-032-033-039-103>108-INZ001-002-010- 011-019-110900- /O.EXP.KLOT.WI.Y.0002.000000T0000Z-210311T0800Z/ Boone-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 Belvidere, 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 200 AM CST Thu Mar 11 2021 /300 AM EST Thu Mar 11 2021/ ...WIND ADVISORY HAS EXPIRED... The winds will continue to gradually ease through daybreak across the area. Some gusts as high as 40 mph remain possible. $$ MTF
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.