Alert archive / Illinois / Wind Advisories in 2021
Wind Advisory 4, NWS Chicago, IL
NWS Chicago, IL issued this wind advisory at Mar 25, 2021, 3:29 AM CDT for 9 counties in Illinois; 5 counties in Indiana. It took effect at Mar 25, 2021, 9:00 PM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 25, 2021, 3:29 AM CDT (08:29 UTC)
- In effect from
- Mar 25, 2021, 9:00 PM CDT
- Expired
- Mar 26, 2021, 2:37 AM CDT
- In force
- 6 hr
- Issued by
- NWS Chicago, IL
Counties Cook County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kankakee County, IL, Lake County, IL, Livingston County, IL, Will County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Porter County, IN
The radar
The Chicago radar (KLOT), 46 km from the middle of the area, began a volume at 08:33 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, 8.5 hours before the alert went out and 143 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 886 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
579 WWUS73 KLOT 250829 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 329 AM CDT Thu Mar 25 2021 ILZ006-013-021-023-032-033-039-103>108-251630- /O.NEW.KLOT.WI.Y.0004.210326T0000Z-210326T1000Z/ Lake IL-DuPage-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Cook-Central Cook-Southern Cook-Northern Will- Southern Will-Eastern Will- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, 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, and Beecher 329 AM CDT Thu Mar 25 2021 ...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 5 AM CDT FRIDAY... * WHAT...North winds 25 to 35 mph with gusts up to 45 to 50 mph inland and up to 50 to 55 mph near Lake Michigan expected. * WHERE...Portions of central, east central and northeast Illinois. * WHEN...From 7 PM this evening to 5 AM CDT Friday. The strongest winds are forecast from about 9 PM and later. * IMPACTS...Gusty winds could blow around unsecured objects. Tent structures may also become unstable or be blown down. Small tree limbs could be blown down and a few power outages may result. Travel will be hazardous 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. && $$ INZ001-002-010-011-019-251630- /O.NEW.KLOT.WI.Y.0004.210326T0200Z-210326T1200Z/ Lake IN-Porter-Newton-Jasper-Benton- Including the cities of Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 329 AM CDT Thu Mar 25 2021 /429 AM EDT Thu Mar 25 2021/ ...WIND ADVISORY IN EFFECT FROM 9 PM CDT /10 PM EDT/ THIS EVENING TO 7 AM CDT /8 AM EDT/ FRIDAY... * WHAT...North to northwest winds 25 to 35 mph with gusts up to 50 mph inland and up to 55 mph near Lake Michigan expected. Sporadic gusts up to 60 mph are possible near Lake Michigan overnight. * WHERE...Lake IN, Porter, Newton, Jasper and Benton Counties. * WHEN...From 9 PM CDT /10 PM EDT/ this evening to 7 AM CDT /8 AM EDT/ Friday. The strongest winds are forecast from about 11 PM CDT / 12 AM EDT and later. * IMPACTS...Gusty winds could blow around unsecured objects. Tent structures may also become unstable or be blown down. Small to medium tree limbs could be blown down and a few power outages may result. Travel will be hazardous for high profile vehicles, especially on west to east roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Castro
4 follow-up statements
018 WWUS73 KLOT 251507 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1007 AM CDT Thu Mar 25 2021 ILZ006-013-021-023-032-033-039-103>108-252315- /O.CON.KLOT.WI.Y.0004.210326T0000Z-210326T1000Z/ Lake IL-DuPage-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Cook-Central Cook-Southern Cook-Northern Will- Southern Will-Eastern Will- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, 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, and Beecher 1007 AM CDT Thu Mar 25 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 5 AM CDT FRIDAY... * WHAT...North winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central and northeast Illinois. * WHEN...From 7 PM this evening to 5 AM CDT Friday. The strongest winds are expected between 9 PM and 3 AM. * IMPACTS...Unsecured objects such as trash bins and lawn furniture will be blown around. Tent structures may also become unstable or be blown down. Small tree limbs may be blown down and a few power outages may result. Travel will be hazardous 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. && $$ INZ001-002-010-011-019-252315- /O.CON.KLOT.WI.Y.0004.210326T0200Z-210326T1200Z/ Lake IN-Porter-Newton-Jasper-Benton- Including the cities of Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 1007 AM CDT Thu Mar 25 2021 /1107 AM EDT Thu Mar 25 2021/ ...WIND ADVISORY REMAINS IN EFFECT FROM 9 PM CDT /10 PM EDT/ THIS EVENING TO 7 AM CDT /8 AM EDT/ FRIDAY... * WHAT...North to northwest winds 25 to 35 mph with gusts up to 55 mph expected. Sporadic gusts up to 60 mph cannot be ruled out. * WHERE...Lake IN, Porter, Newton, Jasper and Benton Counties. * WHEN...From 9 PM CDT /10 PM EDT/ this evening to 7 AM CDT /8 AM EDT/ Friday. The strongest winds are forecast from about 11 PM CDT / 12 AM EDT and later. * IMPACTS...Unsecured objects such as trash bins and lawn furniture will be blown around. Tent structures may also become unstable or be blown down. Small tree limbs will be blown down and a few power outages may result. Travel will be hazardous for high profile vehicles, especially on west to east roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ BORCHARDT
031 WWUS73 KLOT 251924 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 224 PM CDT Thu Mar 25 2021 ILZ006-013-021-023-032-033-039-103>108-260330- /O.EXT.KLOT.WI.Y.0004.210326T0200Z-210326T1000Z/ Lake IL-DuPage-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Cook-Central Cook-Southern Cook-Northern Will- Southern Will-Eastern Will- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, 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, and Beecher 224 PM CDT Thu Mar 25 2021 ...WIND ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO 5 AM CDT FRIDAY... * WHAT...North winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central and northeast Illinois. * WHEN...From 9 PM this evening to 5 AM CDT Friday. * IMPACTS...Unsecured objects such as trash bins and lawn furniture will be blown around. Tent structures may also become unstable or be blown down. Small tree limbs may be blown down and a few power outages may result. Travel will be hazardous 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. && $$ INZ001-002-010-011-019-260330- /O.CON.KLOT.WI.Y.0004.210326T0200Z-210326T1200Z/ Lake IN-Porter-Newton-Jasper-Benton- Including the cities of Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 224 PM CDT Thu Mar 25 2021 /324 PM EDT Thu Mar 25 2021/ ...WIND ADVISORY REMAINS IN EFFECT FROM 9 PM CDT /10 PM EDT/ THIS EVENING TO 7 AM CDT /8 AM EDT/ FRIDAY... * WHAT...North to northwest winds 25 to 35 mph with gusts up to 55 mph expected. Sporadic gusts up to 60 mph cannot be ruled out. * WHERE...Lake IN, Porter, Newton, Jasper and Benton Counties. * WHEN...From 9 PM CDT /10 PM EDT/ this evening to 7 AM CDT /8 AM EDT/ Friday. The strongest winds are forecast from about 11 PM CDT / 12 AM EDT and later. * IMPACTS...Unsecured objects such as trash bins and lawn furniture will be blown around. Tent structures may also become unstable or be blown down. Small tree limbs will be blown down and a few power outages may result. Travel will be hazardous for high profile vehicles, especially on west to east roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ BKL
228 WWUS73 KLOT 260205 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 905 PM CDT Thu Mar 25 2021 ILZ006-013-021-023-032-033-039-103>108-261000- /O.CON.KLOT.WI.Y.0004.000000T0000Z-210326T1000Z/ Lake IL-DuPage-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Cook-Central Cook-Southern Cook-Northern Will- Southern Will-Eastern Will- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, 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, and Beecher 905 PM CDT Thu Mar 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM CDT FRIDAY... * WHAT...North winds 25 to 30 mph with gusts up to 45 mph expected, with a few gusts to 50 mph possible near the lake. * WHERE...Portions of central, east central and northeast Illinois. * WHEN...Through 5 AM CDT Friday. * IMPACTS...Unsecured objects such as trash bins and lawn furniture will be blown around. Tent structures may also become unstable or be blown down. Small tree limbs may be blown down and a few power outages may result. Travel will be hazardous 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. && $$ INZ001-002-010-011-019-261000- /O.CON.KLOT.WI.Y.0004.000000T0000Z-210326T1200Z/ Lake IN-Porter-Newton-Jasper-Benton- Including the cities of Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 905 PM CDT Thu Mar 25 2021 /1005 PM EDT Thu Mar 25 2021/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT /8 AM EDT/ FRIDAY... * WHAT...North to northwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Lake IN, Porter, Newton, Jasper and Benton Counties. * WHEN...Through 7 AM CDT /8 AM EDT/ Friday. * IMPACTS...Unsecured objects such as trash bins and lawn furniture will be blown around. Tent structures may also become unstable or be blown down. Small tree limbs will be blown down and a few power outages may result. Travel will be hazardous for high profile vehicles, especially on west to east roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTF
278 WWUS73 KLOT 260737 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 237 AM CDT Fri Mar 26 2021 ILZ006-013-021-023-032-033-039-103>108-260845- /O.CAN.KLOT.WI.Y.0004.000000T0000Z-210326T1000Z/ Lake IL-DuPage-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Cook-Central Cook-Southern Cook-Northern Will- Southern Will-Eastern Will- Including the cities of Waukegan, Buffalo Grove, Mundelein, Gurnee, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, 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, and Beecher 237 AM CDT Fri Mar 26 2021 ...WIND ADVISORY IS CANCELLED... Winds will ease over the next few hours. There may be a few gusts to 35 or 40 mph before daybreak, but these will quickly diminish. $$ INZ001-002-010-011-019-260845- /O.CAN.KLOT.WI.Y.0004.000000T0000Z-210326T1200Z/ Lake IN-Porter-Newton-Jasper-Benton- Including the cities of Gary, Hammond, Merrillville, Portage, Valparaiso, Chesterton, Roselawn, Kentland, Morocco, Rensselaer, DeMotte, Fowler, and Oxford 237 AM CDT Fri Mar 26 2021 /337 AM EDT Fri Mar 26 2021/ ...WIND ADVISORY IS CANCELLED... Winds will ease over the next few hours. There may be a few gusts to 35 to 40 mph before daybreak, especially near the lakeshore, but these will quickly diminish. $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 3:42 AM CDT | Lakeshore Flood Advisory | LOT | Cook, Lake | 33 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.