Alert archive / Missouri / Wind Advisories in 2020
Wind Advisory 1, NWS St. Louis, MO
NWS St. Louis, MO issued this wind advisory at Mar 28, 2020, 3:23 PM CDT for 16 counties in Missouri; 13 counties in Illinois. It was in force for 26 hr.
The area
The counties it named.
The facts
- Issued
- Mar 28, 2020, 3:23 PM CDT (20:23 UTC)
- Expired
- Mar 29, 2020, 5:00 PM CDT
- In force
- 26 hr
- Issued by
- NWS St. Louis, MO
All 29 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, Montgomery County, IL, Pike County, IL, Saint Clair County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion County, MO, Monroe County, MO, Montgomery County, MO, Pike County, MO, Ralls County, MO, Saint Charles County, MO, Saint Louis County, MO, Shelby County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 60 km from the middle of the area, began a volume at 20:25 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, 8.4 hours before the alert went out and 218 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
- 638 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 812 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.0
The text
As transmitted.
460 WWUS73 KLSX 282023 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 323 PM CDT Sat Mar 28 2020 MOZ018-019-026-027-034-291000- /O.NEW.KLSX.WI.Y.0001.200328T2023Z-200329T2200Z/ Knox MO-Lewis MO-Marion MO-Monroe MO-Shelby MO- Including the city of Hannibal 323 PM CDT Sat Mar 28 2020 ...WIND ADVISORY IN EFFECT UNTIL 5 PM CDT SUNDAY... * WHAT...Southwest to west winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Knox MO, Lewis MO, Shelby MO, Marion MO and Monroe MO Counties. * WHEN...Until 5 PM CDT Sunday. * 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. && $$ MOZ035-041-042-050-291000- /O.NEW.KLSX.WI.Y.0001.200329T0300Z-200329T2200Z/ Audrain MO-Boone MO-Callaway MO-Ralls MO- Including the cities of Columbia, Fulton, and Mexico 323 PM CDT Sat Mar 28 2020 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 5 PM CDT SUNDAY... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Ralls MO, Boone MO, Audrain MO and Callaway MO Counties. * WHEN...From 10 PM this evening to 5 PM CDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ILZ058>060-064-065-069-095>101-MOZ036-051-052-060-061-063-064- 291000- /O.NEW.KLSX.WI.Y.0001.200329T0600Z-200329T2200Z/ Adams IL-Bond IL-Brown IL-Calhoun IL-Clinton IL-Fayette IL- Greene IL-Jersey IL-Lincoln MO-Macoupin IL-Madison IL- Montgomery IL-Montgomery MO-Pike IL-Pike MO-Saint Charles MO- Saint Clair IL-Saint Louis City MO-Saint Louis MO-Warren MO- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Edwardsville, Litchfield, Mount Sterling, Pittsfield, Quincy, Saint Charles, Saint Louis, and Vandalia 323 PM CDT Sat Mar 28 2020 ...WIND ADVISORY IN EFFECT FROM 1 AM TO 5 PM CDT SUNDAY... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of east central and northeast Missouri and south central, southwest and west central Illinois. * WHEN...From 1 AM to 5 PM CDT Sunday. * 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. && $$ TES
2 follow-up statements
791 WWUS73 KLSX 290905 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 405 AM CDT Sun Mar 29 2020 MOZ018-019-026-027-034-292200- /O.CON.KLSX.WI.Y.0001.000000T0000Z-200329T2200Z/ Knox MO-Lewis MO-Marion MO-Monroe MO-Shelby MO- Including the city of Hannibal 405 AM CDT Sun Mar 29 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... * WHAT...Southwest to west winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Knox MO, Lewis MO, Shelby MO, Marion MO and Monroe MO Counties. * WHEN...Until 5 PM CDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MOZ035-041-042-050-292200- /O.CON.KLSX.WI.Y.0001.000000T0000Z-200329T2200Z/ Audrain MO-Boone MO-Callaway MO-Ralls MO- Including the cities of Columbia, Fulton, and Mexico 405 AM CDT Sun Mar 29 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Ralls MO, Boone MO, Audrain MO and Callaway MO Counties. * WHEN...Until 5 PM CDT Sunday. * 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. && $$ ILZ058>060-064-065-069-095>101-MOZ036-051-052-060-061-063-064- 292200- /O.CON.KLSX.WI.Y.0001.000000T0000Z-200329T2200Z/ Adams IL-Bond IL-Brown IL-Calhoun IL-Clinton IL-Fayette IL- Greene IL-Jersey IL-Lincoln MO-Macoupin IL-Madison IL- Montgomery IL-Montgomery MO-Pike IL-Pike MO-Saint Charles MO- Saint Clair IL-Saint Louis City MO-Saint Louis MO-Warren MO- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Edwardsville, Litchfield, Mount Sterling, Pittsfield, Quincy, Saint Charles, Saint Louis, and Vandalia 405 AM CDT Sun Mar 29 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of east central and northeast Missouri and south central, southwest and west central Illinois. * WHEN...Until 5 PM CDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ GKS
184 WWUS73 KLSX 292204 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 504 PM CDT Sun Mar 29 2020 ILZ058>060-064-065-069-095>101-MOZ018-019-026-027-034>036-041-042- 050>052-060-061-063-064-292315- /O.EXP.KLSX.WI.Y.0001.000000T0000Z-200329T2200Z/ Adams IL-Audrain MO-Bond IL-Boone MO-Brown IL-Calhoun IL- Callaway MO-Clinton IL-Fayette IL-Greene IL-Jersey IL-Knox MO- Lewis MO-Lincoln MO-Macoupin IL-Madison IL-Marion MO-Monroe MO- Montgomery IL-Montgomery MO-Pike IL-Pike MO-Ralls MO- Saint Charles MO-Saint Clair IL-Saint Louis City MO- Saint Louis MO-Shelby MO-Warren MO- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Columbia, Edwardsville, Fulton, Hannibal, Litchfield, Mexico, Mount Sterling, Pittsfield, Quincy, Saint Charles, Saint Louis, and Vandalia 504 PM CDT Sun Mar 29 2020 ...WIND ADVISORY HAS EXPIRED... The strong and gusty west winds that have been occurring across the region since late yesterday have begun to diminish, and will continue to do so through the evening. Therefore the advisory has been allowed to expire. $$ Glass
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 8:59 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Franklin, Gasconade, Osage | 46 min |
| Mar 27, 9:50 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Cole, Moniteau | 40 min |
| Mar 27, 10:21 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Osage | 39 min |
| Mar 27, 10:53 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Franklin, Gasconade, Montgomery, Osage, Warren | 41 min |
| Mar 27, 11:20 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Saint Charles, Warren | 40 min |
| Mar 27, 11:43 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles | 47 min |
| Mar 28, 11:59 AM CDT | Severe Thunderstorm Warning | LSX | Crawford, Iron, Washington | 46 min |
| Mar 28, 12:03 PM CDT | Tornado Warning | LSX | Iron, Washington | 42 min |
| Mar 28, 12:45 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 21 min |
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.