Alert archive / Missouri / Wind Advisories in 2018
Wind Advisory 2, NWS St. Louis, MO
NWS St. Louis, MO issued this wind advisory at Apr 18, 2018, 10:24 AM CDT for 16 counties in Missouri; 13 counties in Illinois. It took effect at Apr 18, 2018, 11:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 18, 2018, 10:24 AM CDT (15:24 UTC)
- In effect from
- Apr 18, 2018, 11:00 AM CDT
- Expired
- Apr 18, 2018, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
All 29 counties
Bond 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, Saint Clair County, IL, Washington County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Lincoln County, MO, Moniteau County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 11 km from the middle of the area, began a volume at 15:26 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, 3.4 hours before the alert went out and 232 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
- 1109 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 537 m²/s²
- 0-3 km storm-relative helicity
- 580 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
743 WWUS73 KLSX 181524 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 1024 AM CDT Wed Apr 18 2018 ILZ058>060-064-065-069-070-074-098>102-MOZ036-041-042-047>052- 059>065-190000- /O.NEW.KLSX.WI.Y.0002.180418T1600Z-180419T0000Z/ Audrain MO-Bond IL-Boone MO-Calhoun IL-Callaway MO-Clinton IL- Cole MO-Fayette IL-Franklin MO-Gasconade MO-Greene IL- Jefferson MO-Jersey IL-Lincoln MO-Macoupin IL-Madison IL- Marion IL-Moniteau MO-Monroe IL-Montgomery IL-Montgomery MO- Osage MO-Pike MO-Saint Charles MO-Saint Clair IL- Saint Louis City MO-Saint Louis MO-Warren MO-Washington IL- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Centralia, Columbia, Edwardsville, Fulton, Jefferson City, Litchfield, Mexico, Saint Charles, Saint Louis, Salem, Sullivan, Union, Vandalia, and Washington 1024 AM CDT Wed Apr 18 2018 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... The National Weather Service in Saint Louis has issued a Wind Advisory, which is in effect until 7 PM CDT this evening. * TIMING...From late this morning and into the early evening. * WINDS...West 20 to 30 mph with gusts up to 50 mph. * IMPACTS...Winds this strong can make driving difficult, especially for high profile vehicles on north-south oriented roads and highways. These winds can also lift and move trash cans, lawn furniture, and other loose outdoor objects. Minor tree and building damage is also possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 30 to 39 mph or gusts will range between 45 and 57 mph. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use caution until the winds diminish. && $$ GKS
2 follow-up statements
016 WWUS73 KLSX 182049 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 349 PM CDT Wed Apr 18 2018 ILZ058>060-064-065-069-070-074-098>102-MOZ036-041-042-047>052- 059>065-190000- /O.CON.KLSX.WI.Y.0002.000000T0000Z-180419T0000Z/ Audrain MO-Bond IL-Boone MO-Calhoun IL-Callaway MO-Clinton IL- Cole MO-Fayette IL-Franklin MO-Gasconade MO-Greene IL- Jefferson MO-Jersey IL-Lincoln MO-Macoupin IL-Madison IL- Marion IL-Moniteau MO-Monroe IL-Montgomery IL-Montgomery MO- Osage MO-Pike MO-Saint Charles MO-Saint Clair IL- Saint Louis City MO-Saint Louis MO-Warren MO-Washington IL- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Centralia, Columbia, Edwardsville, Fulton, Jefferson City, Litchfield, Mexico, Saint Charles, Saint Louis, Salem, Sullivan, Union, Vandalia, and Washington 349 PM CDT Wed Apr 18 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...Late this afternoon and early this evening. * WINDS...West-Northwest at 20 to 35 mph sustained with gusts up to 45 mph. * IMPACTS...Winds this strong can make driving difficult, especially for high profile vehicles on north-south oriented roads and highways. These winds can also lift and move trash cans, lawn furniture, and other loose outdoor objects. Minor tree and building damage is also possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 30 to 39 mph or gusts will range between 45 and 57 mph. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use caution until the winds diminish. && $$ GKS
244 WWUS73 KLSX 182357 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 657 PM CDT Wed Apr 18 2018 ILZ058>060-064-065-069-070-074-098>102-MOZ036-041-042-047>052- 059>065-190100- /O.EXP.KLSX.WI.Y.0002.000000T0000Z-180419T0000Z/ Audrain MO-Bond IL-Boone MO-Calhoun IL-Callaway MO-Clinton IL- Cole MO-Fayette IL-Franklin MO-Gasconade MO-Greene IL- Jefferson MO-Jersey IL-Lincoln MO-Macoupin IL-Madison IL- Marion IL-Moniteau MO-Monroe IL-Montgomery IL-Montgomery MO- Osage MO-Pike MO-Saint Charles MO-Saint Clair IL- Saint Louis City MO-Saint Louis MO-Warren MO-Washington IL- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Centralia, Columbia, Edwardsville, Fulton, Jefferson City, Litchfield, Mexico, Saint Charles, Saint Louis, Salem, Sullivan, Union, Vandalia, and Washington 657 PM CDT Wed Apr 18 2018 ...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING... Gusty northwest winds will persist through much of the night across the area. Winds will continue to diminish through sunrise Thursday morning. $$ Kelly
Nearby
Wind Advisories in Missouri, 2018Wind Advisories in Illinois, 2018Every wind advisory in 2018
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.