Alert archive / Missouri / Winter Storm Warnings in 2011

Winter Storm Warning 3, NWS St. Louis, MO

February 24, 20118 counties in Missouri; Adams County, Brown County, Pike County, Illinois

NWS St. Louis, MO issued this winter storm warning at Feb 24, 2011, 3:57 AM CST for 8 counties in Missouri; Adams County, Brown County, Pike County, Illinois. It took effect at Feb 24, 2011, 12:44 PM CST. It was in force for 15 hr. 35 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
Feb 24, 2011, 3:57 AM CST (09:57 UTC)
In effect from
Feb 24, 2011, 12:44 PM CST
Expired
Feb 25, 2011, 3:38 AM CST
In force
15 hr
Issued by
NWS St. Louis, MO

Counties Adams County, IL, Brown County, IL, Pike County, IL, Audrain County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Monroe County, MO, Pike County, MO, Ralls County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 136 km from the middle of the area, began a volume at 09:57 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

TimeReportWhereRemark
Feb 24, 2:26 PM CSTSNOW 0.3Mexico, MOMODERATE SNOW STILL FALLING. ROADS SLICK IN THE COUNTY.
Feb 24, 3:11 PM CSTSNOW 2Mexico, MOSNOW COVERING ALL SURFACES.
Feb 24, 3:20 PM CSTSNOW 0.3Louisiana, MOSNOW ACCUMULATING RAPIDLY ON SURFACES...VISIBILITIES REDUCED UNDER ONE HALF MILE
Feb 24, 3:24 PM CSTSNOW 03 S Hannibal, MOLARGE SNOW FLAKES...ACCUMULATING. BEGAN 20 MINUTES AGO.
Feb 24, 3:38 PM CSTSNOW 1Louisiana, MOSNOW COVERING ALL SURFACES... ROADS SLICK.
Feb 24, 3:40 PM CSTSNOW 0Quincy, ILMODERATE TO HEAVY SNOW BEGAN IN DOWNTOWN QUINCY
Feb 24, 3:45 PM CSTSNOW 0Palmyra, MOSNOW JUST BEGAN IN PALMYRA...DUSTING ON GRASSY AREAS
Feb 24, 4:30 PM CSTSNOW 1Quincy, IL
Feb 24, 4:32 PM CSTSNOW 1.4Hannibal, MOSTILL SNOWING
Feb 24, 5:44 PM CSTSNOW 2.5Beverly, ILAROUND 2.5 TO 3 INCHES OF SNOW HAS FALLEN SO FAR.
Feb 24, 6:25 PM CSTSNOW 33 S Hannibal, MOVISIBILITY LESS THAN HALF A MILE.
Feb 24, 8:00 PM CSTSNOW 2.6Palmyra, MO
Feb 24, 8:06 PM CSTSNOW 1.5Quincy, IL1.5 INCHES SO FAR.
Feb 24, 8:40 PM CSTHEAVY SNOW 7Bowling Green, MO2 TO 3 FOOT DRIFTS...NEAR ZERO VISIBILITY AT TIMES ON NORTH SIDE OF TOWN.
Feb 24, 8:45 PM CSTSNOW 2.5Saverton, MOLD 22 ESTIMATED 2 TO 3 INCHES
Feb 24, 8:55 PM CSTSNOW 2.5Edina, MO
Feb 24, 9:05 PM CSTSNOW 0.8Canton, MOLD 20 ESTIMATES JUST UNDER AN INCH
Feb 24, 9:20 PM CSTSNOW 4.73 S Hannibal, MOVERY WET HEAVY SNOW
Feb 24, 9:46 PM CSTSNOW 3Quincy, IL3 INCHES OF SNOW IN QUINCY SO FAR.
Feb 24, 10:20 PM CSTSNOW 4.7Palmyra, MO
Feb 24, 11:35 PM CSTSNOW 4.7Quincy, ILMEASURED IN DOWNTOWN QUINCY
Feb 25, 12:10 AM CSTSNOW 7Hannibal, MOEVERGREEN TREE FELL ON A HOUSE DUE TO HEAVY WET SNOW STICKING TO THE BRANCHES
Feb 25, 12:14 AM CSTHEAVY SNOW 0Hannibal, MODUE TO THE HEAVY WET SNOW STICKING TO EVERYTHING...TREES AND TREE LIMBS HAVE BEEN FALLING DOWN ACROSS TOWN BLOCKING ROADS AND KNOCKING DOWN POWER AND PHONE LINES
Feb 25, 12:31 AM CSTSNOW 4.9Quincy, ILSTORM TOTAL
Feb 25, 2:00 AM CSTSNOW 4Edina, MOSTORM TOTAL SNOWFALL.
Feb 25, 2:00 AM CSTSNOW 4Lewistown, MOSTORM TOTAL SNOWFALL.
Feb 25, 2:00 AM CSTSNOW 4Palmyra, MOSTORM TOTAL SNOWFALL.
Feb 25, 2:00 AM CSTSNOW 5New London, MOSTORM TOTAL SNOWFALL.
Feb 25, 2:00 AM CSTSNOW 5Paris, MOSTORM TOTAL SNOWFALL.
Feb 25, 2:00 AM CSTSNOW 5Shelbyville, MOSTORM TOTAL SNOWFALL
Feb 25, 2:00 AM CSTHEAVY SNOW 6Bowling Green, MOSTORM TOTAL SNOWFALL.
Feb 25, 2:00 AM CSTHEAVY SNOW 6Mexico, MOSTORM TOTAL SNOWFALL.
Feb 25, 2:40 AM CSTSNOW 5Mount Sterling, ILSTORM TOTAL SNOWFALL.
Feb 25, 2:40 AM CSTSNOW 5Quincy, ILSTORM TOTAL SNOWFALL.
Feb 25, 2:40 AM CSTSNOW 5.5Pittsfield, ILSTORM TOTAL SNOWFALL.

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, 10.0 hours before the alert went out and 228 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2011-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2011-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 330 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
671 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
330 m²/s²
0-3 km storm-relative helicity
336 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

064 
WWUS43 KLSX 240957
WSWLSX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
357 AM CST THU FEB 24 2011

...ACCUMULATING SNOW EXPECTED ACROSS NORTHEAST MISSOURI AND WEST
CENTRAL ILLINOIS LATE THIS AFTERNOON AND TONIGHT...

.A POTENT LATE SEASON WINTER STORM WILL IMPACT NORTHERN MISSOURI
AND CENTRAL ILLINOIS THIS AFTERNOON AND TONIGHT. RAIN IS EXPECTED
TO CHANGE TO SNOW ACROSS NORTHEAST MISSOURI LATER THIS
AFTERNOON...WITH THE CHANGEOVER OCCURRING IN CENTRAL ILLINOIS BY
EARLY THIS EVENING. IT APPEARS THAT PARTS OF NORTHEAST MISSOURI
AND WEST CENTRAL ILLINOIS...INCLUDING THE EDINA...SHELBINA...CANTON...
QUINCY...PALMYRA...AND MOUNT STERLING AREAS...WILL PICK UP 6
INCHES OF SNOW WITH LOCALLY HIGHER AMOUNTS POSSIBLE. LESSER
AMOUNTS IN THE 2-4 INCH RANGE ARE ANTICIPATED FROM NEAR MEXICO TO
CARROLLTON.

ILZ095-096-MOZ018-019-026-027-242200-
/O.UPG.KLSX.WW.Y.0007.110224T2200Z-110225T1200Z/
/O.NEW.KLSX.WS.W.0003.110224T2200Z-110225T1200Z/
ADAMS IL-BROWN IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-
INCLUDING THE CITIES OF...QUINCY...HANNIBAL
357 AM CST THU FEB 24 2011

...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO
6 AM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT
FROM 4 PM THIS AFTERNOON TO 6 AM CST FRIDAY. THE WINTER WEATHER
ADVISORY IS NO LONGER IN EFFECT. 

* TIMING...RAIN WILL CHANGE TO SNOW AFTER 4 PM OVER NORTHEAST
  MISSOURI...AND BY AROUND 6 PM IN WEST CENTRAL ILLINOIS. ONCE
  THE CHANGEOVER OCCURS...SNOW WILL THEN CONTINUE INTO THE
  OVERNIGHT HOURS.

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF AROUND 6
  INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR DRIFTING
  OF SNOW.

* IMPACTS...THE QUICK CHANGEOVER TO SNOW WILL CAUSE RAPID SNOW
  ACCUMULATIONS...WHICH WILL PRODUCE A FAST DETERIORATION OF ROAD
  CONDITIONS. TRAVEL WILL BECOME HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS THAT A SIGNIFICANT AMOUNT OF SNOW...
SLEET AND/OR ICE IS EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.

&&

$$

ILZ058-MOZ042-242200-
/O.EXB.KLSX.WW.Y.0007.110225T0000Z-110225T1200Z/
GREENE IL-AUDRAIN MO-
INCLUDING THE CITY OF...MEXICO
357 AM CST THU FEB 24 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 AM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM CST FRIDAY.

* TIMING...RAIN WILL CHANGE TO SNOW EARLY THIS EVENING...WITH THE
  SNOW CONTINUING INTO THE OVERNIGHT HOURS. 

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES
  ARE EXPECTED.

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR DRIFTING
  OF SNOW.

* IMPACTS...SNOWFALL RATES WILL BE MODERATE AND OCCASIONALLY
  HEAVY...AND THIS WILL CAUSE ROADS TO QUICKLY BECOME SNOW COVERED
  AND SLIPPERY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT UP TO 5 INCHES OF SNOW IS
EXPECTED ACROSS THE ADVISORY AREA. 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.

&&

$$

ILZ097-MOZ034>036-242200-
/O.EXT.KLSX.WW.Y.0007.110225T0000Z-110225T1200Z/
PIKE IL-MONROE MO-RALLS MO-PIKE MO-
INCLUDING THE CITY OF...BOWLING GREEN
357 AM CST THU FEB 24 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST FRIDAY...

THE WINTER WEATHER ADVISORY FOR SNOW IS NOW IN
EFFECT FROM 6 PM THIS EVENING TO 6 AM CST FRIDAY. 

* TIMING...RAIN WILL CHANGE TO SNOW AROUND SUNSET THIS
  EVENING...WITH THE SNOW THEN CONTINUING INTO THE OVERNIGHT
  HOURS.

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 5 
  INCHES ARE EXPECTED. 

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  BLOWING AND DRIFTING OF SNOW. 

* IMPACTS...SNOWFALL RATES WILL BE MODERATE AND OCCASIONALLY 
  HEAVY...AND THIS WILL CAUSE ROADS TO BECOME SNOW COVERED 
  MAKING TRAVEL HAZARDOUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT UP TO 5 INCHES OF SNOW IS
EXPECTED ACROSS THE ADVISORY AREA. 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.

&&

$$

TRUETT
4 follow-up statements
327 
WWUS43 KLSX 241844
WSWLSX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
1244 PM CST THU FEB 24 2011

...ACCUMULATING SNOW EXPECTED ACROSS NORTHEAST MISSOURI AND WEST
CENTRAL ILLINOIS LATE THIS AFTERNOON AND TONIGHT...

.A STORM SYSTEM WILL BRING A MIX OF SLEET AND SNOW TO THE REGION
THIS AFTERNOON BEFORE CHANGING TO ALL SNOW TONIGHT. THE HEAVIEST
SNOW WILL OCCUR OVER PARTS OF NORTHEAST MISSOURI AND WEST CENTRAL
ILLINOIS. 

MOZ034-035-250645-
/O.UPG.KLSX.WW.Y.0007.110225T0000Z-110225T1200Z/
/O.EXB.KLSX.WS.W.0003.110224T1844Z-110225T1200Z/
MONROE MO-RALLS MO-
1244 PM CST THU FEB 24 2011

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND SLEET...WHICH IS IN EFFECT UNTIL
6 AM CST FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN
EFFECT.

* TIMING...SNOW AND SLEET IS EXPECTED TO CONTINUE TO THROUGH THE
  AFTERNOON BEFORE CHANGING TO ALL SNOW TONIGHT.

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 7 INCHES
  ARE EXPECTED.

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  BLOWING AND DRIFTING OF SNOW. 

* IMPACTS...SNOWFALL RATES WILL BE MODERATE AND OCCASIONALLY
  HEAVY...AND THIS WILL CAUSE ROADS TO BECOME SNOW COVERED MAKING
  TRAVEL HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS THAT A SIGNIFICANT AMOUNT OF SNOW...
SLEET AND/OR ICE IS EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.

&&

$$

ILZ095-096-MOZ018-019-026-027-250645-
/O.EXT.KLSX.WS.W.0003.110224T1844Z-110225T1200Z/
ADAMS IL-BROWN IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-
INCLUDING THE CITIES OF...QUINCY...HANNIBAL
1244 PM CST THU FEB 24 2011

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM CST FRIDAY...

THE WINTER STORM WARNING FOR HEAVY SNOW AND SLEET IS NOW IN
EFFECT UNTIL 6 AM CST FRIDAY.

* TIMING...A MIX OF SNOW AND SLEET WILL DEVELOP OVER THE REGION
  THIS AFTERNOON BEFORE CHANGING TO ALL SNOW TONIGHT. 

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF AROUND 6 
  INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  DRIFTING OF SNOW. 

* IMPACTS...THE QUICK CHANGEOVER TO SNOW WILL CAUSE RAPID SNOW 
  ACCUMULATIONS...WHICH WILL PRODUCE A FAST DETERIORATION OF 
  ROAD CONDITIONS. TRAVEL WILL BECOME HAZARDOUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS THAT A SIGNIFICANT AMOUNT OF SNOW...
SLEET AND/OR ICE IS EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.

&&

$$

MOZ041-047>051-250645-
/O.EXB.KLSX.WW.Y.0007.110224T1844Z-110225T1200Z/
BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO-
INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY
1244 PM CST THU FEB 24 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SLEET AND SNOW...WHICH IS IN EFFECT UNTIL 6
AM CST FRIDAY.

* TIMING...SLEET AND SNOW IS EXPECTED TO CONTINUE THIS AFTERNOON
  BEFORE CHANGING TO ALL SNOW TONIGHT.

* ACCUMULATIONS...STORM TOTAL SLEET AND SNOWFALL ACCUMULATIONS OF
  1 TO 4 INCHES ARE EXPECTED.

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  BLOWING AND DRIFTING OF SNOW. 

* IMPACTS...SNOWFALL RATES WILL BE MODERATE AND OCCASIONALLY 
  HEAVY...AND THIS WILL CAUSE ROADS TO BECOME SNOW COVERED 
  MAKING TRAVEL HAZARDOUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ROADS WILL BE SLIPPERY ONCE THE SNOW BEGINS...SO MOTORISTS SHOULD
PLAN FOR A SLOWER THAN NORMAL TRIP. BE ESPECIALLY ALERT WHEN
APPROACHING BRIDGES...OVERPASSES...AND CURVES.

&&

$$

ILZ058-097-MOZ036-042-250645-
/O.EXT.KLSX.WW.Y.0007.110224T1844Z-110225T1200Z/
GREENE IL-PIKE IL-PIKE MO-AUDRAIN MO-
INCLUDING THE CITIES OF...BOWLING GREEN...MEXICO
1244 PM CST THU FEB 24 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM CST FRIDAY...

THE WINTER WEATHER ADVISORY FOR SNOW AND SLEET IS NOW IN EFFECT
UNTIL 6 AM CST FRIDAY.

* TIMING...SNOW AND SLEET WILL SPREAD EAST ACROSS THE REGION THIS
  AFTERNOON BEFORE CHANGING TO ALL SNOW TONIGHT.

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 5 
  INCHES ARE EXPECTED. 

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  BLOWING AND DRIFTING OF SNOW. 

* IMPACTS...SNOWFALL RATES WILL BE MODERATE AND OCCASIONALLY 
  HEAVY...AND THIS WILL CAUSE ROADS TO BECOME SNOW COVERED 
  MAKING TRAVEL HAZARDOUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

BRITT
985 
WWUS43 KLSX 242045
WSWLSX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
245 PM CST THU FEB 24 2011

...WINTER STORM WILL BRING SIGNIFICANT SNOW TO PART OF THE REGION...

.SNOW AND SLEET WILL CONTINUE INTO THE EVENING HOURS BEFORE CHANGING
OVER TO ALL SNOW TONIGHT. THE HEAVIEST SNOWFALL WILL OCCUR ACROSS
NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS WITH LESSER AMOUNTS
MIXED WITH SLEET OVER CENTRAL MISSOURI.

ILZ097-MOZ036-042-250845-
/O.UPG.KLSX.WW.Y.0007.000000T0000Z-110225T1200Z/
/O.EXA.KLSX.WS.W.0003.000000T0000Z-110225T1200Z/
PIKE IL-PIKE MO-AUDRAIN MO-
INCLUDING THE CITIES OF...BOWLING GREEN...MEXICO
245 PM CST THU FEB 24 2011

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND SLEET...WHICH IS IN EFFECT UNTIL 6 AM
CST FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* TIMING...SNOW AND SLEET WILL CHANGE OVER TO ALL SNOW THIS
  EVENING BEFORE TAPERING OFF LATE TONIGHT.

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 9 INCHES
  ARE EXPECTED.

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  BLOWING AND DRIFTING OF SNOW. 

* IMPACTS...SNOWFALL RATES WILL BE MODERATE TO HEAVY AT TIMES
  CAUSING REDUCED VISIBILITIES AND MAKING TRAVEL HAZARDOUS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS THAT 6 INCHES OR MORE OF SNOW IS
EXPECTED. THE RAPID ACCUMULATION OF SNOW WILL MAKE TRAVEL
EXTREMELY DIFFICULT...IF NOT IMPOSSIBLE. IF TRAVEL IS NECESSARY...
MAKE SURE TO EXERCISE CAUTION. BEGIN YOUR TRAVEL WITH A TANK FULL
OF GAS...AND CARRY A WINTER STORM KIT WHICH INCLUDES A SHOVEL...
FLASHLIGHT...CELLPHONE...AND BLANKETS OF EXTRA WARM CLOTHING.

&&

$$

ILZ095-096-MOZ018-019-026-027-034-035-250845-
/O.CON.KLSX.WS.W.0003.000000T0000Z-110225T1200Z/
ADAMS IL-BROWN IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-MONROE MO-
RALLS MO-
INCLUDING THE CITIES OF...QUINCY...HANNIBAL
245 PM CST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6
AM CST FRIDAY.

* TIMING...SNOW WILL CONTINUE THROUGH MOST OF THE NIGHT BEFORE
  TAPERING OFF BY MORNING.

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 9
  INCHES ARE EXPECTED. 

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  DRIFTING OF SNOW. 

* IMPACTS...SNOWFALL RATES WILL BE MODERATE TO HEAVY AT TIMES
  CAUSING REDUCED VISIBILITIES AND MAKING TRAVEL HAZARDOUS.
 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS THAT 6 INCHES OR MORE OF SNOW IS
EXPECTED. THE RAPID ACCUMULATION OF SNOW WILL MAKE TRAVEL
EXTREMELY DIFFICULT...IF NOT IMPOSSIBLE. IF TRAVEL IS NECESSARY...
MAKE SURE TO EXERCISE CAUTION. BEGIN YOUR TRAVEL WITH A TANK FULL
OF GAS...AND CARRY A WINTER STORM KIT WHICH INCLUDES A SHOVEL...
FLASHLIGHT...CELLPHONE...AND BLANKETS OF EXTRA WARM CLOTHING.

&&

$$

ILZ098-MOZ052-250845-
/O.EXA.KLSX.WW.Y.0007.000000T0000Z-110225T1200Z/
CALHOUN IL-LINCOLN MO-
245 PM CST THU FEB 24 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND SLEET...WHICH IS IN EFFECT UNTIL 6
AM CST FRIDAY.

* TIMING...SNOW AND SLEET WILL CHANGEOVER TO ALL SNOW THIS EVENING
  BEFORE TAPERING OFF TOWARD MORNING.

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES
  ARE EXPECTED.

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  BLOWING AND DRIFTING OF SNOW. 

* IMPACTS...SNOWFALL RATES WILL BE MODERATE TO HEAVY AT TIMES
  CAUSING REDUCED VISIBILITIES AND MAKING TRAVEL HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE PLANNING TRAVEL IN AN OPEN AREA...MAKE CERTAIN YOU AND
YOUR CAR ARE PREPARED FOR THE ELEMENTS. ALTHOUGH TREATED ROADS MAY
JUST BE WET...UNTREATED SURFACES WILL BE ICE COVERED AND VERY
SLIPPERY. MOTORISTS SHOULD REMAIN ALERT FOR RAPID CHANGES IN ROAD
CONDITIONS...ESPECIALLY WHEN TURNING ONTO LESSER TRAVELLED
ROADS...SIDE STREETS...OR PARKING LOTS.

&&

$$

ILZ058-MOZ041-047>051-250845-
/O.CON.KLSX.WW.Y.0007.000000T0000Z-110225T1200Z/
GREENE IL-BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
MONTGOMERY MO-
INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY
245 PM CST THU FEB 24 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
FRIDAY...

A WINTER WEATHER ADVISORY FOR SNOW AND SLEET REMAINS IN
EFFECT UNTIL 6 AM CST FRIDAY. 

* TIMING...SNOW AND SLEET WILL CHANGEOVER TO ALL SNOW THIS EVENING
  BEFORE TAPERING OFF AFTER MIDNIGHT TONIGHT.

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF 1 TO
  4 INCHES ARE EXPECTED.

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  BLOWING AND DRIFTING OF SNOW. 

* IMPACTS...SNOWFALL RATES WILL BE MODERATE TO HEAVY AT TIMES
  CAUSING REDUCED VISIBILITIES AND MAKING TRAVEL HAZARDOUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE PLANNING TRAVEL IN AN OPEN AREA...MAKE CERTAIN YOU AND
YOUR CAR ARE PREPARED FOR THE ELEMENTS. ALTHOUGH TREATED ROADS MAY
JUST BE WET...UNTREATED SURFACES WILL BE ICE COVERED AND VERY
SLIPPERY. MOTORISTS SHOULD REMAIN ALERT FOR RAPID CHANGES IN ROAD
CONDITIONS...ESPECIALLY WHEN TURNING ONTO LESSER TRAVELLED
ROADS...SIDE STREETS...OR PARKING LOTS.

&&

$$

BRITT
941 
WWUS43 KLSX 250452
WSWLSX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
1052 PM CST THU FEB 24 2011

...WINTER STORM AFFECTING THE REGION TONIGHT...

.A WINTRY MIX OF RAIN...SNOW...AND SLEET WILL CONTINUE CHANGING
OVER TO ALL SNOW OVERNIGHT. THE HEAVIEST SNOWFALL WILL OCCUR
ACROSS NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS WITH LESSER
AMOUNTS MIXED WITH SLEET OVER CENTRAL MISSOURI.

ILZ095>097-MOZ018-019-026-027-034>036-042-251200-
/O.CON.KLSX.WS.W.0003.000000T0000Z-110225T1200Z/
ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-
MONROE MO-RALLS MO-PIKE MO-AUDRAIN MO-
INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN...
MEXICO
1052 PM CST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY...

A WINTER STORM WARNING FOR SNOW REMAINS IN EFFECT UNTIL 6 AM CST
FRIDAY.

* TIMING...SNOW WILL CONTINUE OVERNIGHT BEFORE TAPERING OFF BY
  MORNING.

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 9 
  INCHES ARE EXPECTED. 

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  DRIFTING OF SNOW. 

* IMPACTS...SNOWFALL RATES WILL BE MODERATE TO HEAVY AT TIMES 
  CAUSING REDUCED VISIBILITIES AND MAKING TRAVEL HAZARDOUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS THAT 6 INCHES OR MORE OF SNOW IS
EXPECTED. THE RAPID ACCUMULATION OF SNOW WILL MAKE TRAVEL
EXTREMELY DIFFICULT...IF NOT IMPOSSIBLE. IF TRAVEL IS NECESSARY...
MAKE SURE TO EXERCISE CAUTION. BEGIN YOUR TRAVEL WITH A TANK
FULL OF GAS...AND CARRY A WINTER STORM KIT WHICH INCLUDES A
SHOVEL... FLASHLIGHT...CELLPHONE...AND BLANKETS OR EXTRA WARM
CLOTHING.

&&

$$

ILZ058-098-MOZ041-047>052-251200-
/O.CON.KLSX.WW.Y.0007.000000T0000Z-110225T1200Z/
GREENE IL-CALHOUN IL-BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-
CALLAWAY MO-MONTGOMERY MO-LINCOLN MO-
INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY
1052 PM CST THU FEB 24 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
FRIDAY...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 6 AM
CST FRIDAY.

* TIMING...SNOW AND SLEET WILL CHANGE OVER TO ALL SNOW OVERNIGHT
  BEFORE TAPERING OFF TOWARD MORNING.

* ACCUMULATIONS...STORM TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 
  INCHES ARE EXPECTED. 

* WINDS...NORTH WINDS OF 15 TO 25 MPH COULD PRODUCE SOME MINOR 
  BLOWING AND DRIFTING OF SNOW. 

* IMPACTS...SNOWFALL RATES WILL BE MODERATE TO HEAVY AT TIMES 
  CAUSING REDUCED VISIBILITIES AND MAKING TRAVEL HAZARDOUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE PLANNING TRAVEL IN AN OPEN AREA...MAKE CERTAIN YOU AND
YOUR CAR ARE PREPARED FOR THE ELEMENTS. ALTHOUGH TREATED ROADS
MAY JUST BE WET...UNTREATED SURFACES WILL BE ICE COVERED AND VERY
SLIPPERY. MOTORISTS SHOULD REMAIN ALERT FOR RAPID CHANGES IN ROAD
CONDITIONS...ESPECIALLY WHEN TURNING ONTO LESSER TRAVELED
ROADS...SIDE STREETS...OR PARKING LOTS.

&&

$$

KANOFSKY
974 
WWUS43 KLSX 250938
WSWLSX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
338 AM CST FRI FEB 25 2011

ILZ095>097-MOZ018-019-026-027-034>036-042-251045-
/O.CAN.KLSX.WS.W.0003.000000T0000Z-110225T1200Z/
ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-
MONROE MO-RALLS MO-PIKE MO-AUDRAIN MO-
INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN...
MEXICO
338 AM CST FRI FEB 25 2011

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WINTER
STORM WARNING. 

THE WINTER STORM WARNING HAS BEEN CANCELLED AS THE STORM SYSTEM HAS
MOVED WELL EAST OF OUR AREA. ONLY LINGERING FLURRIES ARE EXPECTED
THIS MORNING PRODUCING NO ADDITIONAL ACCUMULATION. SOME MINOR
BLOWING AND DRIFTING OF THE SNOW ON THE GROUND IS POSSIBLE THIS
MORNING.


$$

ILZ058-098-MOZ041-047>052-251045-
/O.CAN.KLSX.WW.Y.0007.000000T0000Z-110225T1200Z/
GREENE IL-CALHOUN IL-BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-
CALLAWAY MO-MONTGOMERY MO-LINCOLN MO-
INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY
338 AM CST FRI FEB 25 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED AS THE STORM SYSTEM
HAS MOVED WELL EAST OF OUR AREA. ONLY LINGERING FLURRIES ARE EXPECTED
THIS MORNING PRODUCING NO ADDITIONAL ACCUMULATION.


$$

GKS

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 23, 10:30 PM CSTDense Fog AdvisoryLSXKnox, Lewis, Marion, Monroe, Ralls, Shelby8 hr

Nearby

Winter Storm Warnings in Missouri, 2011Winter Storm Warnings in Illinois, 2011Every winter storm warning in 2011

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.