Alert archive / Missouri / Wind Advisories in 2021
Wind Advisory 6, NWS St. Louis, MO
NWS St. Louis, MO issued this wind advisory at Dec 14, 2021, 2:20 PM CST for 29 counties in Missouri; 17 counties in Illinois. It took effect at Dec 15, 2021, 12:00 PM CST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Dec 14, 2021, 2:20 PM CST (20:20 UTC)
- In effect from
- Dec 15, 2021, 12:00 PM CST
- Expired
- Dec 16, 2021, 2:00 AM CST
- In force
- 14 hr
- Issued by
- NWS St. Louis, MO
All 46 counties
Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 18 km from the middle of the area, began a volume at 20:19 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 12:00Z, 8.3 hours before the alert went out and 241 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
- 1771 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
594 WWUS73 KLSX 142020 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 220 PM CST Tue Dec 14 2021 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-150830- /O.NEW.KLSX.WI.Y.0006.211215T1800Z-211216T0800Z/ Adams IL-Audrain MO-Bond IL-Boone MO-Brown IL-Calhoun IL- Callaway MO-Clinton IL-Cole MO-Crawford MO-Fayette IL-Franklin MO- Gasconade MO-Greene IL-Jefferson MO-Jersey IL-Knox MO-Lewis MO- Lincoln MO-Macoupin IL-Madison IL-Marion IL-Marion MO-Moniteau MO- Monroe IL-Monroe MO-Montgomery IL-Montgomery MO-Osage MO-Pike IL- Pike MO-Ralls MO-Randolph IL-Saint Charles MO-Saint Clair- Saint Francois MO-Saint Louis City MO-Saint Louis MO- Sainte Genevieve MO-Shelby MO-Warren MO-Washington IL- Washington MO- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Centralia, Chester, Columbia, Edwardsville, Farmington, Fulton, Hannibal, Jefferson City, Litchfield, Mexico, Mount Sterling, Pittsfield, Quincy, Saint Charles, Saint Louis, Salem, Sparta, Sullivan, Union, Vandalia, and Washington 220 PM CST Tue Dec 14 2021 ...WIND ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 2 AM CST THURSDAY... * WHAT...South winds 15 to 25 mph with gusts up to 55 mph expected. * WHERE...Portions of central, east central, northeast and southeast Missouri and south central, southwest and west central Illinois. * WHEN...From noon Wednesday to 2 AM CST Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High profile vehicles and tractor trailers should use extra caution when traveling on east-west oriented highways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Maples
4 follow-up statements
615 WWUS73 KLSX 150339 NPWLSX URGENT - WEATHER MESSAGE National Weather Service St Louis MO 939 PM CST Tue Dec 14 2021 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-160800- /O.CON.KLSX.WI.Y.0006.211215T1800Z-211216T0800Z/ Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL- Calhoun IL-Jersey IL-Madison IL-Saint Clair-Monroe IL-Knox MO- Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO- Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO- Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO- Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO- Washington MO-Saint Francois MO-Sainte Genevieve MO- Including the cities of Mount Sterling, Quincy, Cahokia, Union, Bowling Green, Columbia, Pittsfield, Alton, Sparta, Centralia, Farmington, Vandalia, Litchfield, Saint Louis, Jefferson City, Belleville, Edwardsville, Chester, Hannibal, Fulton, Saint Charles, Mexico, Sullivan, Washington, and Salem 939 PM CST Tue Dec 14 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON WEDNESDAY TO 2 AM CST THURSDAY... * WHAT...South winds 15 to 25 mph with gusts up to 55 mph expected. * WHERE...Portions of south central, southwest, and west central Illinois, and portions of central, east central, northeast, and southeast Missouri. * WHEN...From Noon Wednesday to 2 AM CST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High profile vehicles and tractor trailers should use extra caution when traveling on east-west oriented highways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ 19
687 WWUS73 KLSX 150921 NPWLSX URGENT - WEATHER MESSAGE National Weather Service St Louis MO 321 AM CST Wed Dec 15 2021 MOZ084-085-099-152300- /O.EXA.KLSX.WI.Y.0006.211215T1800Z-211216T0800Z/ Iron MO-Madison MO-Reynolds MO- 321 AM CST Wed Dec 15 2021 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 2 AM CST THURSDAY... * WHAT...South winds 10 to 20 mph with gusts up to 45 mph expected. * WHERE...Iron MO, Madison MO and Reynolds MO Counties. * WHEN...From Noon today to 2 AM CST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-152300- /O.CON.KLSX.WI.Y.0006.211215T1800Z-211216T0800Z/ Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL- Calhoun IL-Jersey IL-Madison IL-Saint Clair-Monroe IL-Knox MO- Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO- Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO- Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO- Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO- Washington MO-Saint Francois MO-Sainte Genevieve MO- Including the cities of Mount Sterling, Quincy, Cahokia, Union, Bowling Green, Columbia, Pittsfield, Alton, Sparta, Centralia, Farmington, Vandalia, Litchfield, Saint Louis, Jefferson City, Belleville, Edwardsville, Chester, Hannibal, Fulton, Saint Charles, Mexico, Sullivan, Washington, and Salem 321 AM CST Wed Dec 15 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 2 AM CST THURSDAY... * WHAT...South winds 15 to 25 mph with gusts up to 55 mph expected. * WHERE...Portions of south central, southwest, and west central Illinois, and portions of central, east central, northeast, and southeast Missouri. * WHEN...From Noon today to 2 AM CST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ Carney
628 WWUS73 KLSX 152041 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 241 PM CST Wed Dec 15 2021 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-160800- /O.CON.KLSX.WI.Y.0006.000000T0000Z-211216T0800Z/ Adams IL-Audrain MO-Bond IL-Boone MO-Brown IL-Calhoun IL- Callaway MO-Clinton IL-Cole MO-Crawford MO-Fayette IL-Franklin MO- Gasconade MO-Greene IL-Iron MO-Jefferson MO-Jersey IL-Knox MO- Lewis MO-Lincoln MO-Macoupin IL-Madison IL-Madison MO-Marion IL- Marion MO-Moniteau MO-Monroe IL-Monroe MO-Montgomery IL- Montgomery MO-Osage MO-Pike IL-Pike MO-Ralls MO-Randolph IL- Reynolds MO-Saint Charles MO-Saint Clair-Saint Francois MO- Saint Louis City MO-Saint Louis MO-Sainte Genevieve MO-Shelby MO- Warren MO-Washington IL-Washington MO- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Centralia, Chester, Columbia, Edwardsville, Farmington, Fulton, Hannibal, Jefferson City, Litchfield, Mexico, Mount Sterling, Pittsfield, Quincy, Saint Charles, Saint Louis, Salem, Sparta, Sullivan, Union, Vandalia, and Washington 241 PM CST Wed Dec 15 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM CST THURSDAY... * WHAT...South winds 15 to 25 mph with gusts up to 55 mph expected. * WHERE...Portions of south central, southwest, and west central Illinois, and portions of central, east central, northeast, and southeast Missouri. * WHEN...From Noon today to 2 AM CST Thursday. * IMPACTS...Gusty winds will 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. && $$ Maples
557 WWUS73 KLSX 160754 NPWLSX URGENT - WEATHER MESSAGE National Weather Service St Louis MO 154 AM CST Thu Dec 16 2021 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-160900- /O.EXP.KLSX.WI.Y.0006.000000T0000Z-211216T0800Z/ Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL- Calhoun IL-Jersey IL-Madison IL-Saint Clair-Monroe IL-Knox MO- Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO- Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO- Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO- Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO- Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO- Madison MO-Reynolds MO- Including the cities of Mount Sterling, Quincy, Cahokia, Union, Bowling Green, Columbia, Pittsfield, Alton, Sparta, Centralia, Farmington, Vandalia, Litchfield, Saint Louis, Jefferson City, Belleville, Edwardsville, Chester, Hannibal, Fulton, Saint Charles, Mexico, Sullivan, Washington, and Salem 154 AM CST Thu Dec 16 2021 ...WIND ADVISORY WILL EXPIRE AT 2 AM CST THIS MORNING... Strong winds are subsiding, and the threat for winds in excess of 45 mph has ended. Therefore the wind advisory will be allowed to expire at 2 AM. $$ Carney
Nearby
Wind Advisories in Missouri, 2021Wind Advisories in Illinois, 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.