Alert archive / Illinois / Wind Advisories in 2021
Wind Advisory 5, NWS Chicago, IL
NWS Chicago, IL issued this wind advisory at Mar 29, 2021, 2:56 AM CDT for 8 counties in Illinois; Lake County, Indiana. It took effect at Mar 29, 2021, 1:00 PM CDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Mar 29, 2021, 2:56 AM CDT (07:56 UTC)
- In effect from
- Mar 29, 2021, 1:00 PM CDT
- Expired
- Mar 30, 2021, 1:00 AM CDT
- In force
- 12 hr
- Issued by
- NWS Chicago, IL
Counties Boone County, IL, Cook County, IL, DuPage County, IL, Lake County, IL, Lee County, IL, Ogle County, IL, Will County, IL, Winnebago County, IL, Lake County, IN
The radar
The Chicago radar (KLOT), 45 km from the middle of the area, began a volume at 07:57 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 00:00Z, 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
- 1587 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
524 WWUS73 KLOT 290756 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 256 AM CDT Mon Mar 29 2021 ILZ003-004-008-010-291600- /O.NEW.KLOT.WI.Y.0005.210329T1800Z-210330T0100Z/ Winnebago-Boone-Ogle-Lee- Including the cities of Rockford, Belvidere, Rochelle, Oregon, Byron, and Dixon 256 AM CDT Mon Mar 29 2021 ...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Winnebago, Boone, Ogle and Lee Counties. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Small tree limbs could be blown down and a few power outages may result. Tent structures may also become unstable or be blown down. Travel will be hazardous for high profile vehicles, especially on east-west oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Ogorek
4 follow-up statements
226 WWUS73 KLOT 291550 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1050 AM CDT Mon Mar 29 2021 ILZ003-004-008-010-300000- /O.CON.KLOT.WI.Y.0005.210329T1800Z-210330T0100Z/ Winnebago-Boone-Ogle-Lee- Including the cities of Rockford, Belvidere, Rochelle, Oregon, Byron, and Dixon 1050 AM CDT Mon Mar 29 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Winnebago, Boone, Ogle and Lee Counties. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Small tree limbs could be blown down and a few power outages may result. Tent structures may also become unstable or be blown down. Travel will be hazardous for high profile vehicles, especially on east-west oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
293 WWUS73 KLOT 291945 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 245 PM CDT Mon Mar 29 2021 ILZ006-013-103>106-108-INZ001-300600- /O.EXB.KLOT.WI.Y.0005.210329T2300Z-210330T0600Z/ Lake IL-DuPage-Northern Cook-Central Cook-Southern Cook- Northern Will-Eastern Will-Lake IN- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, 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, Crete, Peotone, Beecher, Gary, Hammond, and Merrillville 245 PM CDT Mon Mar 29 2021 ...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 1 AM CDT TUESDAY... * WHAT...South winds 20 to 25 mph with gusts up to 45 mph expected. * WHERE...In Indiana, Lake IN County. In Illinois, Lake IL, DuPage, Northern Cook, Central Cook, Southern Cook, Northern Will and Eastern Will Counties. * WHEN...From 6 PM this evening to 1 AM CDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Small tree limbs could be blown down and a few power outages may result. Tent structures may also become unstable or be blown down. Travel will be hazardous for high profile vehicles, especially on east-west oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ILZ003-004-008-010-300100- /O.CON.KLOT.WI.Y.0005.000000T0000Z-210330T0100Z/ Winnebago-Boone-Ogle-Lee- Including the cities of Rockford, Belvidere, Rochelle, Oregon, Byron, and Dixon 245 PM CDT Mon Mar 29 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Winnebago, Boone, Ogle and Lee Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Small tree limbs could be blown down and a few power outages may result. Tent structures may also become unstable or be blown down. Travel will be hazardous for high profile vehicles, especially on east-west oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Carlaw
816 WWUS73 KLOT 300110 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 810 PM CDT Mon Mar 29 2021 ILZ003-004-008-010-300215- /O.EXP.KLOT.WI.Y.0005.000000T0000Z-210330T0100Z/ Winnebago-Boone-Ogle-Lee- Including the cities of Rockford, Belvidere, Rochelle, Oregon, Byron, and Dixon 810 PM CDT Mon Mar 29 2021 ...WIND ADVISORY HAS EXPIRED... Windy conditions will continue into the overnight hours, but wind gusts have diminished below advisory levels. $$ ILZ006-013-103>106-108-INZ001-300600- /O.CON.KLOT.WI.Y.0005.000000T0000Z-210330T0600Z/ Lake IL-DuPage-Northern Cook-Central Cook-Southern Cook- Northern Will-Eastern Will-Lake IN- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Crete, Peotone, Beecher, Gary, Hammond, and Merrillville 810 PM CDT Mon Mar 29 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph. * WHERE...In Indiana, Lake IN County. In Illinois, Eastern Will, Northern Cook, Northern Will, Central Cook, Southern Cook, Lake IL and DuPage Counties. * WHEN...Until 1 AM CDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Small tree limbs could be blown down and a few power outages may result. Tent structures may also become unstable or be blown down. Travel will be hazardous for high profile vehicles, especially on east-west oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
978 WWUS73 KLOT 300545 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1245 AM CDT Tue Mar 30 2021 ILZ006-013-103>106-108-INZ001-300645- /O.EXP.KLOT.WI.Y.0005.000000T0000Z-210330T0600Z/ Lake IL-DuPage-Northern Cook-Central Cook-Southern Cook- Northern Will-Eastern Will-Lake IN- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, 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, Crete, Peotone, Beecher, Gary, Hammond, and Merrillville 1245 AM CDT Tue Mar 30 2021 ...WIND ADVISORY WILL EXPIRE AT 1 AM CDT EARLY THIS MORNING... Wind gusts will ease a bit over the next few hours. However, gusts of 25-35 mph will continue overnight into tomorrow afternoon. $$ Ogorek
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 10:07 PM CDT | Gale Warning | LOT | 29 hr | |
| Mar 29, 3:06 AM CDT | Small Craft Advisory | LOT | 15 hr | |
| Mar 29, 4:25 AM CDT | Red Flag Warning | LOT | Boone, Lee, Ogle, Winnebago | 16 hr |
| Mar 29, 2:52 PM CDT | Small Craft Advisory | LOT | 43 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.