Alert archive / Missouri / Winter Storm Warnings in 2012
Winter Storm Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this winter storm warning at Dec 20, 2012, 2:50 AM CST for 4 counties in Missouri; Adams County, Brown County, Illinois. It took effect at Dec 20, 2012, 6:00 AM CST. It was in force for 12 hr. 16 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 20, 2012, 2:50 AM CST (08:50 UTC)
- In effect from
- Dec 20, 2012, 6:00 AM CST
- Expired
- Dec 20, 2012, 6:00 PM CST
- In force
- 12 hr
- Issued by
- NWS St. Louis, MO
Counties Adams County, IL, Brown County, IL, Knox County, MO, Lewis County, MO, Marion County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 161 km from the middle of the area, began a volume at 08:50 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 20, 8:37 AM CST | SLEET 0 | Ewing, MO | RAIN HAS JUST CHANGED TO SLEET. |
| Dec 20, 8:45 AM CST | SLEET 0.2 | Lewistown, MO | SLEET IS NOW CHANGING TO ALL SNOW |
| Dec 20, 9:18 AM CST | SNOW 1.8 | Edina, MO | NEAR ZERO VISIBILITY AT TIMES. |
| Dec 20, 9:32 AM CST | SNOW 0 | Canton, MO | BRIEF PERIOD OF SLEET HAS NOW CHANGED OVER TO SNOW. |
| Dec 20, 9:49 AM CST | SNOW 2 | Edina, MO | VISIBILITY UNDER 1 4 MILE. |
| Dec 20, 11:19 AM CST | SNOW 1.4 | Hannibal, MO | |
| Dec 20, 11:23 AM CST | SNOW 1.5 | Shelbina, MO | ROADS COVERED. |
| Dec 20, 11:26 AM CST | SNOW 3 | Lewistown, MO | |
| Dec 20, 11:36 AM CST | SNOW 1 | Quincy, IL | AT LOCK AND DAM 21 |
| Dec 20, 11:46 AM CST | SNOW 0.5 | 8 Nne Monticello, MO | |
| Dec 20, 12:13 PM CST | SNOW 3.5 | Edina, MO | STILL SNOWING. |
| Dec 20, 1:15 PM CST | SNOW 2 | Quincy, IL | DOWNTOWN QUINCY....SNOWFALL SO FAR. |
| Dec 20, 1:50 PM CST | SNOW 3 | Novelty, MO | STILL SNOWING...NEAR WHITE OUT CONDITIONS WITH GUSTY WINDS. |
| Dec 20, 2:15 PM CST | SNOW 1.5 | Mount Sterling, IL | BETWEEN 1 AND 2 INCHES OF SNOW SO FAR...STILL SNOWING. ROADS SNOW COVERED AND SLICK. |
| Dec 20, 2:35 PM CST | SNOW 0 | Camp Point, IL | NEAR WHITE CONDITIONS ON HIGHWAY 24 NEAR CAMP POINT. NO SNOWFALL ESTIMATE AVAILABLE. |
| Dec 20, 2:45 PM CST | SNOW 3 | Quincy, IL | BETWEEN 2.5 INCHES AND 3 INCHES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 8.8 hours before the alert went out and 206 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
- 910 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 268 m²/s²
- 0-3 km storm-relative helicity
- 439 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
788 WWUS43 KLSX 200850 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 250 AM CST THU DEC 20 2012 ...MAJOR WINTER STORM IMPACTING THE MIDWEST TODAY... .A VERY STRONG STORM SYSTEM WILL BRING ACCUMULATING SNOW AND VERY STRONG WINDS TO THE AREA TODAY. THE COMBINATION OF WIND AND SNOW WILL MAKE TRAVEL DANGEROUS ACROSS PORTIONS OF NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS. FURTHER SOUTH...ACROSS PORTIONS OF CENTRAL MISSOURI...EAST CENTRAL MISSOURI AND SOUTH CENTRAL ILLINOIS LIGHTER SNOW ACCUMULATION WILL COMBINE WITH THE STRONG WINDS TO MAKE TRAVEL DIFFICULT. ILZ095-096-MOZ018-019-026-027-202200- /O.UPG.KLSX.WW.Y.0004.121220T0900Z-121221T0000Z/ /O.NEW.KLSX.WS.W.0001.121220T1200Z-121221T0000Z/ ADAMS IL-BROWN IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL 250 AM CST THU DEC 20 2012 ...WINTER STORM WARNING IN EFFECT FROM 6 AM THIS MORNING TO 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER STORM WARNING FOR SNOW AND VERY STRONG WINDS...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM CST THIS EVENING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...RAIN WILL CHANGE TO SNOW FROM WEST TO EAST ACROSS NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS THIS MORNING. * ACCUMULATIONS...A STORM TOTAL SNOW ACCUMULATION OF 3 TO 5 INCHES IS EXPECTED AT THIS TIME. LOCALLY HIGHER AMOUNTS ARE POSSIBLE. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...DANGEROUS AND LIFE THREATENING TRAVEL CONDITIONS WILL DEVELOP THIS AFTERNOON AS FALLING SNOW COMBINES WITH STRONG WINDS TO SIGNIFICANTLY REDUCE VISIBILITY AND CAUSE BLOWING AND DRIFTING OF THE SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS THAT A SIGNIFICANT AMOUNT OF SNOW AND STRONG WINDS WILL IMPACT THE REGION TODAY. && $$ MOZ034>036-041-042-047-048-050>052-202200- /O.NEW.KLSX.WW.Y.0005.121220T1200Z-121221T0000Z/ MONROE MO-RALLS MO-PIKE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-CALLAWAY MO-MONTGOMERY MO-LINCOLN MO- INCLUDING THE CITIES OF...BOWLING GREEN...COLUMBIA...MEXICO... JEFFERSON CITY 250 AM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER WEATHER ADVISORY FOR A LIGHT SNOW ACCUMULATION AND VERY STRONG WINDS...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM CST THIS EVENING. * TIMING...A PERIOD OF LIGHT TO MODERATE SNOW IS EXPECTED TODAY. * ACCUMULATIONS...A STORM TOTAL SNOW ACCUMULATION OF 1 TO 3 INCHES IS EXPECTED. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...THE COMBINATION OF FALLING SNOW AND VERY STRONG WINDS WILL MAKE TRAVEL DIFFICULT BY THIS AFTERNOON WITH REDUCED VISIBILITY AND DANGEROUS ROAD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS...SUCH AS SNOW...BLOWING SNOW...SLEET...OR FREEZING DRIZZLE AND RAIN. IT ONLY TAKES A SMALL AMOUNT OF WINTRY PRECIPITATION TO MAKE ROADS...BRIDGES...SIDEWALKS...AND PARKING LOTS ICY AND DANGEROUS. IT IS OFTEN DIFFICULT TO TELL WHEN ICE BEGINS TO FORM...SO DO NOT BE CAUGHT OFF GUARD. && $$ ILZ058-097>099-202200- /O.NEW.KLSX.WW.Y.0005.121220T1800Z-121221T0300Z/ GREENE IL-PIKE IL-CALHOUN IL-JERSEY IL- 250 AM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER WEATHER ADVISORY FOR A LIGHT SNOW ACCUMULATION AND VERY STRONG WINDS...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM CST THIS EVENING. * TIMING...A PERIOD OF LIGHT TO MODERATE SNOW IS EXPECTED THIS AFTERNOON AND EARLY THIS EVENING. * ACCUMULATIONS...A STORM TOTAL SNOW ACCUMULATION OF 1 TO 2 INCHES IS EXPECTED. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...THE COMBINATION OF FALLING SNOW AND VERY STRONG WINDS WILL MAKE TRAVEL DIFFICULT THIS AFTERNOON AND EVENING WITH REDUCED VISIBILITY AND DANGEROUS ROAD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS...SUCH AS SNOW...BLOWING SNOW...SLEET...OR FREEZING DRIZZLE AND RAIN. IT ONLY TAKES A SMALL AMOUNT OF WINTRY PRECIPITATION TO MAKE ROADS...BRIDGES...SIDEWALKS...AND PARKING LOTS ICY AND DANGEROUS. IT IS OFTEN DIFFICULT TO TELL WHEN ICE BEGINS TO FORM...SO DO NOT BE CAUGHT OFF GUARD. && $$ CVKING
4 follow-up statements
131 WWUS43 KLSX 201745 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 1145 AM CST THU DEC 20 2012 ...MAJOR WINTER STORM IMPACTING THE MIDWEST TODAY... .A VERY STRONG STORM SYSTEM WILL CONTINUE TO BRING ACCUMULATING SNOW AND VERY STRONG WINDS TO THE AREA INTO THIS EVENING. THE COMBINATION OF WIND AND SNOW WILL MAKE TRAVEL DANGEROUS ACROSS PORTIONS OF MISSOURI AND ILLINOIS. SOME AREAS MAY SEE NEAR BLIZZARD CONDITIONS WITH IN EXCESS OF 40 MPH AND VISIBILITIES REDUCED TO ONE-QUARTER MILE OR LESS AT TIMES. ILZ095-096-MOZ018-019-026-027-210000- /O.CON.KLSX.WS.W.0001.000000T0000Z-121221T0000Z/ ADAMS IL-BROWN IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL 1145 AM CST THU DEC 20 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...SNOW WILL CONTINUE THROUGH THIS AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATION OF AROUND 3 INCHES HAVE ALREADY FALLEN IN PORTIONS OF THE WARNING AREA. A STORM TOTAL SNOW ACCUMULATION OF 3 TO 5 INCHES IS STILL EXPECTED WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...DANGEROUS AND LIFE THREATENING TRAVEL CONDITIONS ARE EXPECTED AS FALLING AND BLOWING SNOW COMBINES WITH STRONG WINDS TO SIGNIFICANTLY REDUCE VISIBILITY AND BRIEFLY CREATE NEAR BLIZZARD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS THAT A SIGNIFICANT AMOUNT OF SNOW AND STRONG WINDS WILL IMPACT THE REGION TODAY. && $$ MOZ034>036-041-042-047-048-050>052-210000- /O.CON.KLSX.WW.Y.0005.000000T0000Z-121221T0000Z/ MONROE MO-RALLS MO-PIKE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- COLE MO-CALLAWAY MO-MONTGOMERY MO-LINCOLN MO- INCLUDING THE CITIES OF...BOWLING GREEN...COLUMBIA...MEXICO... JEFFERSON CITY 1145 AM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...SNOW WILL CONTINUE THIS AFTERNOON ACROSS THE ADVISORY AREA. * ACCUMULATIONS...SNOW ACCUMULATION OF UP TO ONE AND ONE HALF INCHES HAVE ALREADY FALLEN ACROSS PORTIONS OF THE ADVISORY AREA. A STORM TOTAL SNOW ACCUMULATION 1 TO 3 INCHES IS EXPECTED. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...DANGEROUS TRAVEL CONDITIONS ARE EXPECTED AS FALLING AND BLOWING SNOW COMBINES WITH STRONG WINDS TO SIGNIFICANTLY REDUCE VISIBILITY AND BRIEFLY CREATE NEAR BLIZZARD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS...SUCH AS SNOW...BLOWING SNOW...SLEET...OR FREEZING DRIZZLE AND RAIN. IT ONLY TAKES A SMALL AMOUNT OF WINTRY PRECIPITATION TO MAKE ROADS...BRIDGES...SIDEWALKS...AND PARKING LOTS ICY AND DANGEROUS. IT IS OFTEN DIFFICULT TO TELL WHEN ICE BEGINS TO FORM...SO DO NOT BE CAUGHT OFF GUARD. && $$ ILZ058-097>099-210300- /O.CON.KLSX.WW.Y.0005.121220T1800Z-121221T0300Z/ GREENE IL-PIKE IL-CALHOUN IL-JERSEY IL- 1145 AM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... * TIMING...SNOW IS EXPECTED TO QUICKLY MOVE INTO THE ADVISORY AREA EARLY THIS AFTERNOON AND CONTINUE INTO THIS EVENING. * ACCUMULATIONS...SNOW HAS JUST BEGUN TO FALL ACROSS WESTERN PORTIONS OF THE ADVISORY AREA. A STORM TOTAL SNOW ACCUMULATION OF 1 TO 2 INCHES IS EXPECTED. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...DANGEROUS TRAVEL CONDITIONS ARE EXPECTED AS FALLING AND BLOWING SNOW COMBINES WITH STRONG WINDS TO SIGNIFICANTLY REDUCE VISIBILITY AND BRIEFLY CREATE NEAR BLIZZARD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS...SUCH AS SNOW...BLOWING SNOW...SLEET...OR FREEZING DRIZZLE AND RAIN. IT ONLY TAKES A SMALL AMOUNT OF WINTRY PRECIPITATION TO MAKE ROADS...BRIDGES...SIDEWALKS...AND PARKING LOTS ICY AND DANGEROUS. IT IS OFTEN DIFFICULT TO TELL WHEN ICE BEGINS TO FORM...SO DO NOT BE CAUGHT OFF GUARD. && $$ TILLY
808 WWUS43 KLSX 201955 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 155 PM CST THU DEC 20 2012 ...MAJOR WINTER STORM IMPACTING THE MIDWEST TODAY... .A VERY STRONG STORM SYSTEM WILL CONTINUE TO BRING ACCUMULATING SNOW AND VERY STRONG WINDS TO THE AREA INTO THIS EVENING. THE COMBINATION OF WIND AND SNOW WILL MAKE TRAVEL DANGEROUS ACROSS PORTIONS OF MISSOURI AND ILLINOIS. SOME AREAS MAY SEE NEAR BLIZZARD CONDITIONS WITH IN EXCESS OF 40 MPH AND VISIBILITIES REDUCED TO ONE-QUARTER MILE OR LESS AT TIMES. MOZ041-047-048-050-202100- /O.CAN.KLSX.WW.Y.0005.000000T0000Z-121221T0000Z/ BOONE MO-MONITEAU MO-COLE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY 155 PM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS ENDED ACROSS PORTIONS OF MIDDLE MISSOURI AND CONDITIONS WERE QUICKLY IMPROVING. $$ ILZ095-096-MOZ018-019-026-027-210000- /O.CON.KLSX.WS.W.0001.000000T0000Z-121221T0000Z/ ADAMS IL-BROWN IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL 155 PM CST THU DEC 20 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...SNOW WILL CONTINUE THROUGH THIS AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATION OF AROUND 3 INCHES HAVE ALREADY FALLEN IN PORTIONS OF THE WARNING AREA. A STORM TOTAL SNOW ACCUMULATION OF 3 TO 5 INCHES IS STILL EXPECTED WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...DANGEROUS AND LIFE THREATENING TRAVEL CONDITIONS ARE EXPECTED AS FALLING AND BLOWING SNOW COMBINES WITH STRONG WINDS TO SIGNIFICANTLY REDUCE VISIBILITY AND BRIEFLY CREATE NEAR BLIZZARD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS THAT A SIGNIFICANT AMOUNT OF SNOW AND STRONG WINDS WILL IMPACT THE REGION TODAY. && $$ MOZ034>036-042-051-052-210000- /O.CON.KLSX.WW.Y.0005.000000T0000Z-121221T0000Z/ MONROE MO-RALLS MO-PIKE MO-AUDRAIN MO-MONTGOMERY MO-LINCOLN MO- INCLUDING THE CITIES OF...BOWLING GREEN...MEXICO 155 PM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...SNOW WILL CONTINUE THIS AFTERNOON ACROSS THE ADVISORY AREA. * ACCUMULATIONS...SNOW ACCUMULATION OF UP TO ONE AND ONE HALF INCHES HAVE ALREADY FALLEN ACROSS PORTIONS OF THE ADVISORY AREA. A STORM TOTAL SNOW ACCUMULATION 1 TO 3 INCHES IS EXPECTED. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...DANGEROUS TRAVEL CONDITIONS ARE EXPECTED AS FALLING AND BLOWING SNOW COMBINES WITH STRONG WINDS TO SIGNIFICANTLY REDUCE VISIBILITY AND BRIEFLY CREATE NEAR BLIZZARD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS...SUCH AS SNOW...BLOWING SNOW...SLEET...OR FREEZING DRIZZLE AND RAIN. IT ONLY TAKES A SMALL AMOUNT OF WINTRY PRECIPITATION TO MAKE ROADS...BRIDGES...SIDEWALKS...AND PARKING LOTS ICY AND DANGEROUS. IT IS OFTEN DIFFICULT TO TELL WHEN ICE BEGINS TO FORM...SO DO NOT BE CAUGHT OFF GUARD. && $$ ILZ058-097>099-210300- /O.CON.KLSX.WW.Y.0005.000000T0000Z-121221T0300Z/ GREENE IL-PIKE IL-CALHOUN IL-JERSEY IL- 155 PM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... * TIMING...SNOW IS EXPECTED TO QUICKLY MOVE INTO THE ADVISORY AREA EARLY THIS AFTERNOON AND CONTINUE INTO THIS EVENING. * ACCUMULATIONS...SNOW HAS JUST BEGUN TO FALL ACROSS WESTERN PORTIONS OF THE ADVISORY AREA. A STORM TOTAL SNOW ACCUMULATION OF 1 TO 2 INCHES IS EXPECTED. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...DANGEROUS TRAVEL CONDITIONS ARE EXPECTED AS FALLING AND BLOWING SNOW COMBINES WITH STRONG WINDS TO SIGNIFICANTLY REDUCE VISIBILITY AND BRIEFLY CREATE NEAR BLIZZARD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS...SUCH AS SNOW...BLOWING SNOW...SLEET...OR FREEZING DRIZZLE AND RAIN. IT ONLY TAKES A SMALL AMOUNT OF WINTRY PRECIPITATION TO MAKE ROADS...BRIDGES...SIDEWALKS...AND PARKING LOTS ICY AND DANGEROUS. IT IS OFTEN DIFFICULT TO TELL WHEN ICE BEGINS TO FORM...SO DO NOT BE CAUGHT OFF GUARD. && $$ GLASS
342 WWUS43 KLSX 202153 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 353 PM CST THU DEC 20 2012 ...MAJOR WINTER STORM PULLING OUT OF REGION THIS AFTERNOON... .A VERY STRONG STORM SYSTEM THAT IMPACTED MUCH OF THE MIDWEST WILL CONTINUE TO EXIT THE REGION WITH SNOW QUICKLY COMING TO AN END THIS AFTERNOON. MOZ018-019-026-027-202300- /O.CAN.KLSX.WS.W.0001.000000T0000Z-121221T0000Z/ KNOX MO-LEWIS MO-SHELBY MO-MARION MO- INCLUDING THE CITY OF...HANNIBAL 353 PM CST THU DEC 20 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WINTER STORM WARNING. PERIODS OF BLOWING SNOW ARE STILL POSSIBLE THIS AFTERNOON...BUT ARE NOT EXPECTED TO SIGNIFICANTLY IMPACT THE REGION. $$ MOZ034>036-042-051-052-202300- /O.CAN.KLSX.WW.Y.0005.000000T0000Z-121221T0000Z/ MONROE MO-RALLS MO-PIKE MO-AUDRAIN MO-MONTGOMERY MO-LINCOLN MO- INCLUDING THE CITIES OF...BOWLING GREEN...MEXICO 353 PM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WINTER WEATHER ADVISORY. PERIODS OF BLOWING SNOW ARE STILL POSSIBLE THIS AFTERNOON...BUT ARE NOT EXPECTED TO SIGNIFICANTLY IMPACT THE REGION. $$ ILZ095-096-210000- /O.CON.KLSX.WS.W.0001.000000T0000Z-121221T0000Z/ ADAMS IL-BROWN IL- INCLUDING THE CITY OF...QUINCY 353 PM CST THU DEC 20 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...SNOW WILL DIMINISH AND END THIS AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATION OF 2 TO 4 INCHES HAVE FALLEN ACROSS THE WARNING AREA. AN ADDITIONAL ONE-HALF INCH OR LESS OF SNOW ACCUMULATION IS EXPECTED. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...DANGEROUS AND LIFE THREATENING TRAVEL CONDITIONS ARE EXPECTED AS FALLING AND BLOWING SNOW COMBINES WITH STRONG WINDS TO SIGNIFICANTLY REDUCE VISIBILITY AND BRIEFLY CREATE NEAR BLIZZARD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS THAT A SIGNIFICANT AMOUNT OF SNOW AND STRONG WINDS WILL IMPACT THE REGION TODAY. && $$ ILZ058-097>099-210000- /O.EXT.KLSX.WW.Y.0005.000000T0000Z-121221T0000Z/ GREENE IL-PIKE IL-CALHOUN IL-JERSEY IL- 353 PM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...SNOW IS EXPECTED TO CONTINUE THIS AFTERNOON AND QUICKLY DIMINISH LATE THIS AFTERNOON...COMING TO AN END BY THIS EVENING. * ACCUMULATIONS...SNOW ACCUMULATION OF AROUND ONE-HALF INCH HAS FALLEN WITH UP TO AN ADDITIONAL INCH EXPECTED THIS AFTERNOON. * WINDS...30 TO 40 MPH SUSTAINED NORTHWEST WINDS WILL GUST TO 50 MPH. * IMPACTS...DANGEROUS TRAVEL CONDITIONS ARE EXPECTED AS FALLING AND BLOWING SNOW COMBINES WITH STRONG WINDS TO SIGNIFICANTLY REDUCE VISIBILITY AND BRIEFLY CREATE NEAR BLIZZARD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS...SUCH AS SNOW...BLOWING SNOW...SLEET...OR FREEZING DRIZZLE AND RAIN. IT ONLY TAKES A SMALL AMOUNT OF WINTRY PRECIPITATION TO MAKE ROADS...BRIDGES...SIDEWALKS...AND PARKING LOTS ICY AND DANGEROUS. IT IS OFTEN DIFFICULT TO TELL WHEN ICE BEGINS TO FORM...SO DO NOT BE CAUGHT OFF GUARD. && $$ TILLY
401 WWUS43 KLSX 210009 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 609 PM CST THU DEC 20 2012 ILZ095-096-210115- /O.EXP.KLSX.WS.W.0001.000000T0000Z-121221T0000Z/ ADAMS IL-BROWN IL- INCLUDING THE CITY OF...QUINCY 609 PM CST THU DEC 20 2012 ...WINTER STORM WARNING HAS EXPIRED... ACCUMULATING SNOW HAS ENDED OVER THE AREA. $$ ILZ058-097>099-210115- /O.EXP.KLSX.WW.Y.0005.000000T0000Z-121221T0000Z/ GREENE IL-PIKE IL-CALHOUN IL-JERSEY IL- 609 PM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY HAS EXPIRED... ACCUMULATING SNOW HAS ENDED OVER THE AREA. $$ BROWNING
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 2:50 AM CST | Winter Weather Advisory | LSX | Audrain, Boone, Callaway, Cole, Lincoln, Moniteau and 4 more | 15 hr |
Nearby
Winter Storm Warnings in Missouri, 2012Winter Storm Warnings in Illinois, 2012Every winter storm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.