Alert archive / Missouri / Winter Weather Advisories in 2021
Winter Weather Advisory 13, NWS St. Louis, MO
NWS St. Louis, MO issued this winter weather advisory at Feb 16, 2021, 3:26 AM CST for 8 counties in Illinois; 25 counties in Missouri. It took effect at Feb 17, 2021, 12:00 AM CST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Feb 16, 2021, 3:26 AM CST (09:26 UTC)
- In effect from
- Feb 17, 2021, 12:00 AM CST
- Expired
- Feb 17, 2021, 6:00 PM CST
- In force
- 18 hr
- Issued by
- NWS St. Louis, MO
All 33 counties
Calhoun County, IL, Clinton County, IL, Jersey County, IL, Madison County, IL, Monroe 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, Lincoln County, MO, Madison 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, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 27 km from the middle of the area, began a volume at 09:32 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, 9.4 hours before the alert went out and 268 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
- 724 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 300 m²/s²
- 0-3 km storm-relative helicity
- 400 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
391 WWUS43 KLSX 160926 WSWLSX URGENT - WINTER WEATHER MESSAGE National Weather Service Saint Louis MO 326 AM CST Tue Feb 16 2021 MOZ041-047-048-050-161700- /O.NEW.KLSX.WW.Y.0013.210217T0600Z-210218T0000Z/ /O.CON.KLSX.WC.W.0001.000000T0000Z-210216T1700Z/ Boone MO-Callaway MO-Cole MO-Moniteau MO- Including the cities of Columbia, Fulton, and Jefferson City 326 AM CST Tue Feb 16 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills. Wind chills as low as 25 below zero. For the Winter Weather Advisory, snow expected. Total snow accumulations of 1 to 3 inches. * WHERE...Boone MO, Moniteau MO, Cole MO and Callaway MO Counties. * WHEN...For the Wind Chill Warning, until 11 AM CST this morning. For the Winter Weather Advisory, from midnight tonight to 6 PM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Warning means the combination of very cold air and strong winds will create dangerously low wind chill values. This will result in frost bite and lead to hypothermia or death if precautions are not taken. If you must venture outdoors, be certain to dress properly, with several layers of light-weight, loose fitting clothing and making sure that all exposed skin is covered. A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ034-035-042-161700- /O.NEW.KLSX.WW.Y.0013.210217T1200Z-210218T0000Z/ /O.CON.KLSX.WC.W.0001.000000T0000Z-210216T1700Z/ Audrain MO-Monroe MO-Ralls MO- Including the city of Mexico 326 AM CST Tue Feb 16 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST WEDNESDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills. Wind chills as low as 25 below zero. For the Winter Weather Advisory, snow expected. Total snow accumulations of up to two inches. * WHERE...Monroe MO, Ralls MO and Audrain MO Counties. * WHEN...For the Wind Chill Warning, until 11 AM CST this morning. For the Winter Weather Advisory, from 6 AM to 6 PM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Warning means the combination of very cold air and strong winds will create dangerously low wind chill values. This will result in frost bite and lead to hypothermia or death if precautions are not taken. If you must venture outdoors, be certain to dress properly, with several layers of light-weight, loose fitting clothing and making sure that all exposed skin is covered. A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ018-019-026-027-161700- /O.CON.KLSX.WC.W.0001.000000T0000Z-210216T1700Z/ Knox MO-Lewis MO-Marion MO-Shelby MO- Including the city of Hannibal 326 AM CST Tue Feb 16 2021 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... * WHAT...Dangerously cold wind chills. Wind chills as low as 25 below zero. * WHERE...Portions of central and northeast Missouri. * WHEN...Until 11 AM CST Tuesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Warning means the combination of very cold air and strong winds will create dangerously low wind chill values. This will result in frost bite and lead to hypothermia or death if precautions are not taken. If you must venture outdoors, be certain to dress properly, with several layers of light-weight, loose fitting clothing and making sure that all exposed skin is covered. && $$ MOZ049-059-062-072>074-084-085-099-161700- /O.NEW.KLSX.WW.Y.0013.210217T0600Z-210218T0000Z/ /O.CON.KLSX.WC.Y.0004.000000T0000Z-210216T1700Z/ Crawford MO-Franklin MO-Gasconade MO-Iron MO-Madison MO-Osage MO- Reynolds MO-Saint Francois MO-Washington MO- Including the cities of Farmington, Sullivan, Union, and Washington 326 AM CST Tue Feb 16 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... * WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations of 1 to 3 inches. For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 20 below zero. * WHERE...Portions of central, east central and southeast Missouri. * WHEN...For the Winter Weather Advisory, from midnight tonight to 6 PM CST Wednesday. For the Wind Chill Advisory, until 11 AM CST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. A Wind Chill Advisory means that very cold air and strong winds will combine to generate low wind chill values. This will result in frost bite and lead to hypothermia if precautions are not taken. If you must venture outdoors, make sure you wear a hat and gloves, making sure all exposed skin is covered. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ ILZ069-074-079-098>102-MOZ036-051-052-060-061-063>065-075-161700- /O.NEW.KLSX.WW.Y.0013.210217T1200Z-210218T0000Z/ /O.CON.KLSX.WC.Y.0004.000000T0000Z-210216T1700Z/ Calhoun IL-Clinton IL-Jefferson MO-Jersey IL-Lincoln MO- Madison IL-Monroe IL-Montgomery MO-Pike MO-Randolph IL- Saint Charles MO-Saint Clair-Saint Louis City MO-Saint Louis MO- Sainte Genevieve MO-Warren MO-Washington IL- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Chester, Edwardsville, Saint Charles, Saint Louis, and Sparta 326 AM CST Tue Feb 16 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST WEDNESDAY... * WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations of up to two inches. For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 20 below zero. * WHERE...Portions of east central, northeast and southeast Missouri and south central and southwest Illinois. * WHEN...For the Winter Weather Advisory, from 6 AM to 6 PM CST Wednesday. For the Wind Chill Advisory, until 11 AM CST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. A Wind Chill Advisory means that very cold air and strong winds will combine to generate low wind chill values. This will result in frost bite and lead to hypothermia if precautions are not taken. If you must venture outdoors, make sure you wear a hat and gloves, making sure all exposed skin is covered. In Illinois, the latest road conditions can be obtained on the Internet at www.gettingaroundillinois.com. In Missouri, the latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ ILZ058>060-064-065-070-095>097-161700- /O.CON.KLSX.WC.Y.0004.000000T0000Z-210216T1700Z/ Adams IL-Bond IL-Brown IL-Fayette IL-Greene IL-Macoupin IL- Marion IL-Montgomery IL-Pike IL- Including the cities of Centralia, Litchfield, Mount Sterling, Pittsfield, Quincy, Salem, and Vandalia 326 AM CST Tue Feb 16 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... * WHAT...Very cold wind chills. Wind chills as low as 15 below zero. * WHERE...Portions of east central Missouri and south central and southwest Illinois. * WHEN...Until 11 AM CST Tuesday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that very cold air and strong winds will combine to generate low wind chill values. This will result in frost bite and lead to hypothermia if precautions are not taken. If you must venture outdoors, make sure you wear a hat and gloves, making sure all exposed skin is covered. && $$ Carney
5 follow-up statements
119 WWUS43 KLSX 161705 WSWLSX URGENT - WINTER WEATHER MESSAGE National Weather Service St Louis MO 1105 AM CST Tue Feb 16 2021 MOZ034-035-042-162300- /O.EXP.KLSX.WC.W.0001.000000T0000Z-210216T1700Z/ /O.CON.KLSX.WW.Y.0013.210217T1200Z-210218T0000Z/ Monroe MO-Ralls MO-Audrain MO- Including the cities of Mexico 1105 AM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST WEDNESDAY... ...WIND CHILL WARNING HAS EXPIRED... * WHAT...Snow expected. Total snow accumulations up to two inches. * WHERE...Audrain MO, Monroe MO and Ralls MO Counties. * WHEN...From 6 AM to 6 PM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ041-047-048-050-162300- /O.EXP.KLSX.WC.W.0001.000000T0000Z-210216T1700Z/ /O.CON.KLSX.WW.Y.0013.210217T0600Z-210218T0000Z/ Boone MO-Moniteau MO-Cole MO-Callaway MO- Including the cities of Jefferson City, Columbia, and Fulton 1105 AM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... ...WIND CHILL WARNING HAS EXPIRED... * WHAT...Snow expected. Total snow accumulations between 1 to 3 inches. * WHERE...Boone MO, Callaway MO, Cole MO and Moniteau MO Counties. * WHEN...From Midnight tonight to 6 PM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ018-019-026-027-161815- /O.EXP.KLSX.WC.W.0001.000000T0000Z-210216T1700Z/ /00000.0.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Knox MO-Lewis MO-Shelby MO-Marion MO- Including the cities of Hannibal 1105 AM CST Tue Feb 16 2021 ...WIND CHILL WARNING HAS EXPIRED... The threat has ended. $$ ILZ069-074-079-098>102-MOZ036-051-052-060-061-063>065-075-162300- /O.EXP.KLSX.WC.Y.0004.000000T0000Z-210216T1700Z/ /O.CON.KLSX.WW.Y.0013.210217T1200Z-210218T0000Z/ Clinton IL-Washington IL-Randolph IL-Calhoun IL-Jersey IL-Madison IL-Saint Clair-Monroe IL-Pike MO-Montgomery MO-Lincoln MO-Warren MO-Saint Charles MO-Saint Louis MO-Saint Louis City MO-Jefferson MO-Sainte Genevieve MO- Including the cities of Saint Charles, Cahokia, Alton, Bowling Green, Saint Louis, Belleville, Edwardsville, Chester, and Sparta 1105 AM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST WEDNESDAY... ...WIND CHILL ADVISORY HAS EXPIRED... * WHAT...Snow expected. Total snow accumulations up to two inches. * WHERE...Portions of south central and southwest Illinois. Portions of east central, northeast, and southeast Missouri. * WHEN...From 6 AM to 6 PM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ049-059-062-072>074-084-085-099-162300- /O.EXP.KLSX.WC.Y.0004.000000T0000Z-210216T1700Z/ /O.CON.KLSX.WW.Y.0013.210217T0600Z-210218T0000Z/ Osage MO-Gasconade MO-Franklin MO-Crawford MO-Washington MO-Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the cities of Union, Sullivan, Washington, and Farmington 1105 AM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... ...WIND CHILL ADVISORY HAS EXPIRED... * WHAT...Snow expected. Total snow accumulations between 1 to 3 inches. * WHERE...Portions of central, east central, and southeast Missouri. * WHEN...From Midnight tonight to 6 PM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ ILZ058>060-064-065-070-095>097-161815- /O.EXP.KLSX.WC.Y.0004.000000T0000Z-210216T1700Z/ /00000.0.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Marion IL- Adams IL-Brown IL-Pike IL- Including the cities of Mount Sterling, Quincy, Pittsfield, Litchfield, Centralia, Salem, and Vandalia 1105 AM CST Tue Feb 16 2021 ...WIND CHILL ADVISORY HAS EXPIRED... The threat has ended. $$ Gosselin
045 WWUS43 KLSX 162103 WSWLSX URGENT - WINTER WEATHER MESSAGE National Weather Service St Louis MO 303 PM CST Tue Feb 16 2021 MOZ041-047-048-050-170915- /O.CON.KLSX.WW.Y.0013.210217T0600Z-210218T0000Z/ Boone MO-Moniteau MO-Cole MO-Callaway MO- Including the cities of Jefferson City, Columbia, and Fulton 303 PM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations up to two inches. * WHERE...Boone MO, Callaway MO, Cole MO and Moniteau MO Counties. * WHEN...From Midnight tonight to 6 PM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ049-059-062-072>074-084-085-099-170915- /O.CON.KLSX.WW.Y.0013.210217T0600Z-210218T0000Z/ Osage MO-Gasconade MO-Franklin MO-Crawford MO-Washington MO-Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the cities of Union, Sullivan, Washington, and Farmington 303 PM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM CST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations up to two inches. * WHERE...Portions of central, east central, and southeast Missouri. * WHEN...From Midnight tonight to 6 PM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ ILZ069-074-079-098>102-MOZ036-051-052-060-061-063>065-075-170915- /O.CON.KLSX.WW.Y.0013.210217T1200Z-210218T0000Z/ Clinton IL-Washington IL-Randolph IL-Calhoun IL-Jersey IL-Madison IL-Saint Clair-Monroe IL-Pike MO-Montgomery MO-Lincoln MO-Warren MO-Saint Charles MO-Saint Louis MO-Saint Louis City MO-Jefferson MO-Sainte Genevieve MO- Including the cities of Saint Charles, Cahokia, Alton, Bowling Green, Saint Louis, Belleville, Edwardsville, Chester, and Sparta 303 PM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations up to one inch. * WHERE...Portions of south central and southwest Illinois. Portions of east central, northeast, and southeast Missouri. * WHEN...From 6 AM to 6 PM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ034-035-042-170915- /O.CON.KLSX.WW.Y.0013.210217T1200Z-210218T0000Z/ Monroe MO-Ralls MO-Audrain MO- Including the cities of Mexico 303 PM CST Tue Feb 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST WEDNESDAY... * WHAT...Snow expected. Total snow accumulations up to one inch. * WHERE...Audrain MO, Monroe MO and Ralls MO Counties. * WHEN...From 6 AM to 6 PM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ Gosselin
434 WWUS43 KLSX 170916 WSWLSX URGENT - WINTER WEATHER MESSAGE National Weather Service St Louis MO 316 AM CST Wed Feb 17 2021 MOZ041-047-048-050-180000- /O.CON.KLSX.WW.Y.0013.000000T0000Z-210218T0000Z/ Boone MO-Moniteau MO-Cole MO-Callaway MO- Including the cities of Jefferson City, Columbia, and Fulton 316 AM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Snow. Snow accumulations up to two inches. * WHERE...Boone MO, Callaway MO, Cole MO and Moniteau MO Counties. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ049-059-062-072>074-084-085-099-180000- /O.CON.KLSX.WW.Y.0013.000000T0000Z-210218T0000Z/ Osage MO-Gasconade MO-Franklin MO-Crawford MO-Washington MO-Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the cities of Union, Sullivan, Washington, and Farmington 316 AM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Snow. Snow accumulations up to two inches. * WHERE...Portions of central, east central, and southeast Missouri. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ ILZ069-074-079-098>102-MOZ036-051-052-060-061-063>065-075-180000- /O.CON.KLSX.WW.Y.0013.210217T1200Z-210218T0000Z/ Clinton IL-Washington IL-Randolph IL-Calhoun IL-Jersey IL-Madison IL-Saint Clair-Monroe IL-Pike MO-Montgomery MO-Lincoln MO-Warren MO-Saint Charles MO-Saint Louis MO-Saint Louis City MO-Jefferson MO-Sainte Genevieve MO- Including the cities of Saint Charles, Cahokia, Alton, Bowling Green, Saint Louis, Belleville, Edwardsville, Chester, and Sparta 316 AM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Snow expected. Total snow accumulations up to one inch. * WHERE...Portions of south central and southwest Illinois. Portions of east central, northeast, and southeast Missouri. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ034-035-042-180000- /O.CON.KLSX.WW.Y.0013.210217T1200Z-210218T0000Z/ Monroe MO-Ralls MO-Audrain MO- Including the cities of Mexico 316 AM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Snow expected. Total snow accumulations up to one inch. * WHERE...Audrain MO, Monroe MO and Ralls MO Counties. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ Carney
127 WWUS43 KLSX 172040 WSWLSX URGENT - WINTER WEATHER MESSAGE National Weather Service St Louis MO 240 PM CST Wed Feb 17 2021 ILZ069-074-079-098>102-MOZ036-051-052-060-061-063>065-075-180000- /O.CON.KLSX.WW.Y.0013.000000T0000Z-210218T0000Z/ Clinton IL-Washington IL-Randolph IL-Calhoun IL-Jersey IL-Madison IL-Saint Clair-Monroe IL-Pike MO-Montgomery MO-Lincoln MO-Warren MO-Saint Charles MO-Saint Louis MO-Saint Louis City MO-Jefferson MO-Sainte Genevieve MO- Including the cities of Saint Charles, Cahokia, Alton, Bowling Green, Saint Louis, Belleville, Edwardsville, Chester, and Sparta 240 PM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Portions of south central and southwest Illinois. Portions of east central, northeast, and southeast Missouri. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ034-035-042-180000- /O.CON.KLSX.WW.Y.0013.000000T0000Z-210218T0000Z/ Monroe MO-Ralls MO-Audrain MO- Including the cities of Mexico 240 PM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Audrain MO, Monroe MO and Ralls MO Counties. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ041-047-048-050-180000- /O.CON.KLSX.WW.Y.0013.000000T0000Z-210218T0000Z/ Boone MO-Moniteau MO-Cole MO-Callaway MO- Including the cities of Jefferson City, Columbia, and Fulton 240 PM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Boone MO, Callaway MO, Cole MO and Moniteau MO Counties. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ MOZ049-059-062-072>074-084-085-099-180000- /O.CON.KLSX.WW.Y.0013.000000T0000Z-210218T0000Z/ Osage MO-Gasconade MO-Franklin MO-Crawford MO-Washington MO-Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the cities of Union, Sullivan, Washington, and Farmington 240 PM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Portions of central, east central, and southeast Missouri. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of accumulating snow will primarily cause travel difficulties. Roads may rapidly become slippery once the snow begins, so motorists should plan for a slower than normal trip. Be especially alert when approaching bridges, overpasses, and curves. The latest road conditions can be obtained on the Internet at traveler.modot.org/map/ or by calling 1-888-275-6636. && $$ BSH
260 WWUS43 KLSX 172359 WSWLSX URGENT - WINTER WEATHER MESSAGE National Weather Service Saint Louis MO 559 PM CST Wed Feb 17 2021 MOZ041-047>050-059-062-072>074-084-085-099-180100- /O.EXP.KLSX.WW.Y.0013.000000T0000Z-210218T0000Z/ Boone MO-Callaway MO-Cole MO-Crawford MO-Franklin MO-Gasconade MO- Iron MO-Madison MO-Moniteau MO-Osage MO-Reynolds MO- Saint Francois MO-Washington MO- Including the cities of Columbia, Farmington, Fulton, Jefferson City, Sullivan, Union, and Washington 559 PM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING... Accumulating snow has ended over the area, so the advisory will be allowed to expire. $$ ILZ069-074-079-098>102-MOZ034>036-042-051-052-060-061-063>065-075- 180100- /O.EXP.KLSX.WW.Y.0013.000000T0000Z-210218T0000Z/ Audrain MO-Calhoun IL-Clinton IL-Jefferson MO-Jersey IL- Lincoln MO-Madison IL-Monroe IL-Monroe MO-Montgomery MO-Pike MO- Ralls MO-Randolph IL-Saint Charles MO-Saint Clair- Saint Louis City MO-Saint Louis MO-Sainte Genevieve MO-Warren MO- Washington IL- Including the cities of Alton, Belleville, Bowling Green, Cahokia, Chester, Edwardsville, Mexico, Saint Charles, Saint Louis, and Sparta 559 PM CST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING... Accumulating snow has ended over the area, so the advisory will be allowed to expire. $$ Britt
Nearby
Winter Weather Advisories in Missouri, 2021Winter Weather Advisories in Illinois, 2021Every winter weather 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.