Alert archive / Missouri / Wind Advisories in 2020
Wind Advisory 5, NWS St. Louis, MO
NWS St. Louis, MO issued this wind advisory at Oct 16, 2020, 2:29 PM CDT for 16 counties in Missouri; 8 counties in Illinois. It took effect at Oct 17, 2020, 11:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Oct 16, 2020, 2:29 PM CDT (19:29 UTC)
- In effect from
- Oct 17, 2020, 11:00 AM CDT
- Expired
- Oct 17, 2020, 6:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS St. Louis, MO
All 24 counties
Adams County, IL, Brown County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Montgomery County, IL, Pike County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Cole County, MO, Gasconade County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 88 km from the middle of the area, began a volume at 19:30 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, 7.5 hours before the alert went out and 255 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
- 2357 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
494 WWUS73 KLSX 161929 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 229 PM CDT Fri Oct 16 2020 ILZ058>060-095>099-MOZ018-019-026-027-034>036-041-042-047>052-059- 171030- /O.NEW.KLSX.WI.Y.0005.201017T1600Z-201017T2300Z/ Adams IL-Audrain MO-Boone MO-Brown IL-Calhoun IL-Callaway MO- Cole MO-Gasconade MO-Greene IL-Jersey IL-Knox MO-Lewis MO- Lincoln MO-Macoupin IL-Marion MO-Moniteau MO-Monroe MO- Montgomery IL-Montgomery MO-Osage MO-Pike IL-Pike MO-Ralls MO- Shelby MO- Including the cities of Bowling Green, Columbia, Fulton, Hannibal, Jefferson City, Litchfield, Mexico, Mount Sterling, Pittsfield, and Quincy 229 PM CDT Fri Oct 16 2020 ...WIND ADVISORY IN EFFECT FROM 11 AM TO 6 PM CDT SATURDAY... * WHAT...South winds 20 to 25 mph with gusts up to 45 mph expected. * WHERE...Portions of central, east central and northeast Missouri and south central, southwest and west central Illinois. * WHEN...From 11 AM to 6 PM CDT Saturday. * IMPACTS...Gusty winds could 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. && $$ Glass
3 follow-up statements
589 WWUS73 KLSX 170304 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 1004 PM CDT Fri Oct 16 2020 ILZ058>060-095>099-MOZ018-019-026-027-034>036-041-042-047>052-059- 171515- /O.CON.KLSX.WI.Y.0005.201017T1600Z-201017T2300Z/ Adams IL-Audrain MO-Boone MO-Brown IL-Calhoun IL-Callaway MO- Cole MO-Gasconade MO-Greene IL-Jersey IL-Knox MO-Lewis MO- Lincoln MO-Macoupin IL-Marion MO-Moniteau MO-Monroe MO- Montgomery IL-Montgomery MO-Osage MO-Pike IL-Pike MO-Ralls MO- Shelby MO- Including the cities of Bowling Green, Columbia, Fulton, Hannibal, Jefferson City, Litchfield, Mexico, Mount Sterling, Pittsfield, and Quincy 1004 PM CDT Fri Oct 16 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 6 PM CDT SATURDAY... * WHAT...South winds 20 to 25 mph with gusts up to 45 mph expected. * WHERE...Portions of central, east central and northeast Missouri and south central, southwest and west central Illinois. * WHEN...From 11 AM to 6 PM CDT Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ 19
725 WWUS73 KLSX 170920 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 420 AM CDT Sat Oct 17 2020 ILZ058>060-095>099-MOZ018-019-026-027-034>036-041-042-047>052-059- 172300- /O.CON.KLSX.WI.Y.0005.201017T1600Z-201017T2300Z/ Adams IL-Audrain MO-Boone MO-Brown IL-Calhoun IL-Callaway MO- Cole MO-Gasconade MO-Greene IL-Jersey IL-Knox MO-Lewis MO- Lincoln MO-Macoupin IL-Marion MO-Moniteau MO-Monroe MO- Montgomery IL-Montgomery MO-Osage MO-Pike IL-Pike MO-Ralls MO- Shelby MO- Including the cities of Bowling Green, Columbia, Fulton, Hannibal, Jefferson City, Litchfield, Mexico, Mount Sterling, Pittsfield, and Quincy 420 AM CDT Sat Oct 17 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT THIS EVENING... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of central and northeast Missouri and southwest and west central Illinois. * WHEN...From 11 AM to 6 PM CDT today. * IMPACTS...Gusty winds could 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. && $$ GKS
317 WWUS73 KLSX 171942 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 242 PM CDT Sat Oct 17 2020 ILZ058>060-095>099-MOZ018-019-026-027-034>036-041-042-047>052-059- 172300- /O.CON.KLSX.WI.Y.0005.000000T0000Z-201017T2300Z/ Adams IL-Audrain MO-Boone MO-Brown IL-Calhoun IL-Callaway MO- Cole MO-Gasconade MO-Greene IL-Jersey IL-Knox MO-Lewis MO- Lincoln MO-Macoupin IL-Marion MO-Moniteau MO-Monroe MO- Montgomery IL-Montgomery MO-Osage MO-Pike IL-Pike MO-Ralls MO- Shelby MO- Including the cities of Bowling Green, Columbia, Fulton, Hannibal, Jefferson City, Litchfield, Mexico, Mount Sterling, Pittsfield, and Quincy 242 PM CDT Sat Oct 17 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of central and northeast Missouri and southwest and west central Illinois. * WHEN...Until 6 PM CDT today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Glass
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 4:45 AM CDT | Fire Weather Watch | LSX | Audrain, Boone, Callaway, Cole, Crawford, Dent and 22 more | 10 hr |
| Oct 16, 2:34 PM CDT | Red Flag Warning | LSX | Audrain, Boone, Callaway, Cole, Crawford, Dent and 24 more | 27 hr |
Nearby
Wind Advisories in Missouri, 2020Wind Advisories in Illinois, 2020Every wind advisory in 2020
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.