Alert archive / Missouri / Wind Advisories in 2020
Wind Advisory 3, NWS St. Louis, MO
NWS St. Louis, MO issued this wind advisory at Apr 12, 2020, 3:15 AM CDT for 29 counties in Missouri; 17 counties in Illinois. It took effect at Apr 12, 2020, 8:00 PM CDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 2020, 3:15 AM CDT (08:15 UTC)
- In effect from
- Apr 12, 2020, 8:00 PM CDT
- Expired
- Apr 13, 2020, 9:48 AM CDT
- 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 08:18 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, 8.3 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
- 1002 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 261 m²/s²
- 0-3 km storm-relative helicity
- 396 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
658 WWUS73 KLSX 120815 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 315 AM CDT Sun Apr 12 2020 MOZ034>036-041-042-047>051-059-072-122200- /O.NEW.KLSX.FZ.W.0002.200413T0600Z-200413T1400Z/ /O.NEW.KLSX.WI.Y.0003.200413T0100Z-200413T1700Z/ Audrain MO-Boone MO-Callaway MO-Cole MO-Crawford MO-Gasconade MO- Moniteau MO-Monroe MO-Montgomery MO-Osage MO-Pike MO-Ralls MO- Including the cities of Bowling Green, Columbia, Fulton, Jefferson City, and Mexico 315 AM CDT Sun Apr 12 2020 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON CDT MONDAY... ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT MONDAY... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28 expected. For the Wind Advisory, northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central and northeast Missouri. * WHEN...For the Freeze Warning, from 1 AM to 9 AM CDT Monday. For the Wind Advisory, from 8 PM this evening to noon CDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ ILZ095>097-MOZ018-019-026-027-052-060-062-122200- /O.NEW.KLSX.WI.Y.0003.200413T0100Z-200413T1700Z/ Adams IL-Brown IL-Franklin MO-Knox MO-Lewis MO-Lincoln MO- Marion MO-Pike IL-Shelby MO-Warren MO- Including the cities of Hannibal, Mount Sterling, Pittsfield, Quincy, Sullivan, Union, and Washington 315 AM CDT Sun Apr 12 2020 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON CDT MONDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In Missouri, Knox MO, Lewis MO, Shelby MO, Marion MO, Lincoln MO, Warren MO and Franklin MO Counties. In Illinois, Adams IL, Brown IL and Pike IL Counties. * WHEN...From 8 PM this evening to noon CDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ILZ058>060-064-065-069-070-074-079-098>102-MOZ061-063>065-073>075- 084-085-099-122200- /O.NEW.KLSX.WI.Y.0003.200413T0500Z-200413T1700Z/ Bond IL-Calhoun IL-Clinton IL-Fayette IL-Greene IL-Iron MO- Jefferson MO-Jersey IL-Macoupin IL-Madison IL-Madison MO- Marion IL-Monroe IL-Montgomery IL-Randolph IL-Reynolds MO- Saint Charles MO-Saint Clair IL-Saint Francois MO- Saint Louis City MO-Saint Louis MO-Sainte Genevieve MO- Washington IL-Washington MO- Including the cities of Alton, Belleville, Cahokia, Centralia, Chester, Edwardsville, Farmington, Litchfield, Saint Charles, Saint Louis, Salem, Sparta, and Vandalia 315 AM CDT Sun Apr 12 2020 ...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CDT MONDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of east central and southeast Missouri and south central and southwest Illinois. * WHEN...From midnight tonight to noon CDT Monday. * 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. && $$ TES
4 follow-up statements
949 WWUS73 KLSX 121954 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 254 PM CDT Sun Apr 12 2020 MOZ034>036-041-042-047>051-059-072-130800- /O.CON.KLSX.FZ.W.0002.200413T0600Z-200413T1400Z/ /O.CON.KLSX.WI.Y.0003.200413T0100Z-200413T1700Z/ Audrain MO-Boone MO-Callaway MO-Cole MO-Crawford MO-Gasconade MO- Moniteau MO-Monroe MO-Montgomery MO-Osage MO-Pike MO-Ralls MO- Including the cities of Bowling Green, Columbia, Fulton, Jefferson City, and Mexico 254 PM CDT Sun Apr 12 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON CDT MONDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT MONDAY... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 28 expected. For the Wind Advisory, northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central and northeast Missouri. * WHEN...For the Freeze Warning, from 1 AM to 9 AM CDT Monday. For the Wind Advisory, from 8 PM this evening to noon CDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ ILZ095>097-MOZ018-019-026-027-052-060-062-130800- /O.CON.KLSX.WI.Y.0003.200413T0100Z-200413T1700Z/ Adams IL-Brown IL-Franklin MO-Knox MO-Lewis MO-Lincoln MO- Marion MO-Pike IL-Shelby MO-Warren MO- Including the cities of Hannibal, Mount Sterling, Pittsfield, Quincy, Sullivan, Union, and Washington 254 PM CDT Sun Apr 12 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON CDT MONDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In Missouri, Knox MO, Lewis MO, Shelby MO, Marion MO, Lincoln MO, Warren MO and Franklin MO Counties. In Illinois, Adams IL, Brown IL and Pike IL Counties. * WHEN...From 8 PM this evening to noon CDT Monday. * 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. && $$ ILZ058>060-064-065-069-070-074-079-098>102-MOZ061-063>065-073>075- 084-085-099-130800- /O.CON.KLSX.WI.Y.0003.200413T0500Z-200413T1700Z/ Bond IL-Calhoun IL-Clinton IL-Fayette IL-Greene IL-Iron MO- Jefferson MO-Jersey IL-Macoupin IL-Madison IL-Madison MO- Marion IL-Monroe IL-Montgomery IL-Randolph IL-Reynolds MO- Saint Charles MO-Saint Clair IL-Saint Francois MO- Saint Louis City MO-Saint Louis MO-Sainte Genevieve MO- Washington IL-Washington MO- Including the cities of Alton, Belleville, Cahokia, Centralia, Chester, Edwardsville, Farmington, Litchfield, Saint Charles, Saint Louis, Salem, Sparta, and Vandalia 254 PM CDT Sun Apr 12 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CDT MONDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of east central and southeast Missouri and south central and southwest Illinois. * WHEN...From midnight tonight to noon CDT Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ BSH
318 WWUS73 KLSX 130823 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 323 AM CDT Mon Apr 13 2020 MOZ034>036-041-042-047>051-059-072-131700- /O.CON.KLSX.FZ.W.0002.000000T0000Z-200413T1400Z/ /O.CON.KLSX.WI.Y.0003.000000T0000Z-200413T1700Z/ Audrain MO-Boone MO-Callaway MO-Cole MO-Crawford MO-Gasconade MO- Moniteau MO-Monroe MO-Montgomery MO-Osage MO-Pike MO-Ralls MO- Including the cities of Bowling Green, Columbia, Fulton, Jefferson City, and Mexico 323 AM CDT Mon Apr 13 2020 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 29. For the Wind Advisory, northwest winds 20 to 30 mph with gusts up to 40 to 45 mph. * WHERE...Portions of central, east central and northeast Missouri. * WHEN...For the Freeze Warning, until 9 AM CDT this morning. For the Wind Advisory, until noon CDT today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ ILZ095>097-MOZ018-019-026-027-052-060-062-131700- /O.CON.KLSX.WI.Y.0003.000000T0000Z-200413T1700Z/ Adams IL-Brown IL-Franklin MO-Knox MO-Lewis MO-Lincoln MO- Marion MO-Pike IL-Shelby MO-Warren MO- Including the cities of Hannibal, Mount Sterling, Pittsfield, Quincy, Sullivan, Union, and Washington 323 AM CDT Mon Apr 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... * WHAT...Northwest winds 20 to 25 mph with gusts up to 45 mph. * WHERE...In Illinois, Adams IL, Brown IL and Pike IL Counties. In Missouri, Lincoln MO, Lewis MO, Knox MO, Shelby MO, Marion MO, Warren MO and Franklin MO Counties. * WHEN...Until noon CDT today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ILZ058>060-064-065-069-070-074-079-098>102-MOZ061-063>065-073>075- 084-085-099-131700- /O.CON.KLSX.WI.Y.0003.000000T0000Z-200413T1700Z/ Bond IL-Calhoun IL-Clinton IL-Fayette IL-Greene IL-Iron MO- Jefferson MO-Jersey IL-Macoupin IL-Madison IL-Madison MO- Marion IL-Monroe IL-Montgomery IL-Randolph IL-Reynolds MO- Saint Charles MO-Saint Clair IL-Saint Francois MO- Saint Louis City MO-Saint Louis MO-Sainte Genevieve MO- Washington IL-Washington MO- Including the cities of Alton, Belleville, Cahokia, Centralia, Chester, Edwardsville, Farmington, Litchfield, Saint Charles, Saint Louis, Salem, Sparta, and Vandalia 323 AM CDT Mon Apr 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... * WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Portions of east central and southeast Missouri and south central and southwest Illinois. * WHEN...Until noon 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. && $$ Gosselin
273 WWUS73 KLSX 131355 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 855 AM CDT Mon Apr 13 2020 MOZ034>036-041-042-047>051-059-072-131700- /O.EXP.KLSX.FZ.W.0002.000000T0000Z-200413T1400Z/ /O.CON.KLSX.WI.Y.0003.000000T0000Z-200413T1700Z/ Audrain MO-Boone MO-Callaway MO-Cole MO-Crawford MO-Gasconade MO- Moniteau MO-Monroe MO-Montgomery MO-Osage MO-Pike MO-Ralls MO- Including the cities of Bowling Green, Columbia, Fulton, Jefferson City, and Mexico 855 AM CDT Mon Apr 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... ...FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING... * WHAT...Northwest winds 15 to 20 mph with gusts up to 30 mph. * WHERE...Portions of central, east central and northeast Missouri. * WHEN...Until noon CDT today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ILZ095>097-MOZ018-019-026-027-052-060-062-131700- /O.CON.KLSX.WI.Y.0003.000000T0000Z-200413T1700Z/ Adams IL-Brown IL-Franklin MO-Knox MO-Lewis MO-Lincoln MO- Marion MO-Pike IL-Shelby MO-Warren MO- Including the cities of Hannibal, Mount Sterling, Pittsfield, Quincy, Sullivan, Union, and Washington 855 AM CDT Mon Apr 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... * WHAT...Northwest winds around 20 mph with gusts up to 35 mph. * WHERE...In Illinois, Adams IL, Brown IL and Pike IL Counties. In Missouri, Lincoln MO, Lewis MO, Knox MO, Shelby MO, Marion MO, Warren MO and Franklin MO Counties. * WHEN...Until noon 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. && $$ ILZ058>060-064-065-069-070-074-079-098>102-MOZ061-063>065-073>075- 084-085-099-131700- /O.CON.KLSX.WI.Y.0003.000000T0000Z-200413T1700Z/ Bond IL-Calhoun IL-Clinton IL-Fayette IL-Greene IL-Iron MO- Jefferson MO-Jersey IL-Macoupin IL-Madison IL-Madison MO- Marion IL-Monroe IL-Montgomery IL-Randolph IL-Reynolds MO- Saint Charles MO-Saint Clair IL-Saint Francois MO- Saint Louis City MO-Saint Louis MO-Sainte Genevieve MO- Washington IL-Washington MO- Including the cities of Alton, Belleville, Cahokia, Centralia, Chester, Edwardsville, Farmington, Litchfield, Saint Charles, Saint Louis, Salem, Sparta, and Vandalia 855 AM CDT Mon Apr 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... * WHAT...Northwest winds 15 to 20 mph with gusts up to 30 mph. * WHERE...Portions of east central and southeast Missouri and south central and southwest Illinois. * WHEN...Until noon CDT today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MRM
491 WWUS73 KLSX 131448 NPWLSX URGENT - WEATHER MESSAGE National Weather Service Saint Louis MO 948 AM CDT Mon Apr 13 2020 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-131600- /O.CAN.KLSX.WI.Y.0003.000000T0000Z-200413T1700Z/ 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 IL-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 948 AM CDT Mon Apr 13 2020 ...WIND ADVISORY IS CANCELLED... While winds could still gust into the low 30s, winds have fallen below criteria and so have cancelled the wind advisory. $$ MRM
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 3:15 AM CDT | Freeze Warning | LSX | Audrain, Boone, Callaway, Cole, Crawford, Gasconade and 6 more | 30 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.