Alert archive / Missouri / Winter Storm Warnings in 2009
Winter Storm Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this winter storm warning at Mar 28, 2009, 3:31 AM CDT for Knox County, Lewis County, Shelby County, Missouri. It took effect at Mar 28, 2009, 12:00 PM CDT. It was in force for 8 hr. 5 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
- Mar 28, 2009, 3:31 AM CDT (08:31 UTC)
- In effect from
- Mar 28, 2009, 12:00 PM CDT
- Expired
- Mar 28, 2009, 8:18 PM CDT
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
Counties Knox County, MO, Lewis County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 183 km from the middle of the area, began a volume at 08:35 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 |
|---|---|---|---|
| Mar 28, 1:50 PM CDT | FREEZING RAIN 0 | La Belle, MO | MIX OF FREEZING RAIN AND SLEET...SOME ICE BEGINNING TO STICK ON WINDSHIELDS |
| Mar 28, 2:30 PM CDT | SNOW 1 | 1 N Baring, MO | HEAVY SNOW AND SLEET AROUND 230 PM. AROUND ONE HALF INCH REMAINS ON THE GROUND AT 8 PM. |
| Mar 28, 2:30 PM CDT | SNOW 1 | 2 N Edina, MO | BETWEEN 2 AND 3 PM...LARGE ACCUMULATING SNOW FLAKES FELL 2 MILES NORTH OF EDINA ALONG ROUTE 15...ABOUT 1 INCH REMAINS ON GRASSY AREAS AT 7 PM. |
| Mar 28, 2:30 PM CDT | SNOW 2 | 3 W Baring, MO | BETWEEN 200 AND 300 PM HEAVY SNOW AND SLEET ACCUMULATED...ONE INCH OF SLUSH REMAINS ON THE GROUND. IN ADDITION...LIGHT ICE ON TREES AND POWER LINES. |
| Mar 28, 4:06 PM CDT | SLEET 0 | 1 W La Grange, MO | AT THE INTERSECTION OF HIGHWAY C AND HIGHWAY 61...RAIN AND SLEET MIXED...NO ACCUMULATION. |
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, 8.5 hours before the alert went out and 218 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1793 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS43 KLSX 280831 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 331 AM CDT SAT MAR 28 2009 ...EARLY SPRING WINTER STORM TAKING AIM ON MISSOURI AND ILLINOIS... .AN INTENSE AREA OF LOW PRESSURE WILL MOVE NORTHEAST ACROSS SOUTHERN MISSOURI AND ILLINOIS TODAY. A BAND OF HEAVY WET SNOW IS EXPECTED TO BRING MORE THAN 6 INCHES OF SNOW TO PORTIONS OF NORTHEAST MISSOURI THIS AFTERNOON AND THIS EVENING. FURTHER SOUTH AND EAST...THE RAIN WILL GRADUALLY CHANGE TO SNOW LATE THIS AFTERNOON AND THIS EVENING. TOTAL SNOW ACCUMULATION ACROSS THE ADVISORY AREA IS EXPECTED TO BE 2 TO 5 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. ILZ101-102-MOZ065-280945- /O.CAN.KLSX.WS.A.0002.090329T0000Z-090329T1200Z/ ST. CLAIR IL-MONROE IL-JEFFERSON- INCLUDING THE CITY OF...BELLEVILLE 331 AM CDT SAT MAR 28 2009 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WINTER STORM WATCH. LIGHT SNOW ACCUMULATION OF 1 TO LOCALLY 2 INCHES IS EXPECTED TO OCCUR LATE TONIGHT. $$ MOZ018-019-026-282015- /O.UPG.KLSX.WS.A.0002.090328T1500Z-090329T0600Z/ /O.NEW.KLSX.WS.W.0003.090328T1700Z-090329T0900Z/ KNOX-LEWIS-SHELBY- 331 AM CDT SAT MAR 28 2009 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 4 AM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER STORM WARNING FOR A PORTION OF NORTHEAST MISSOURI WHICH IS IN EFFECT FROM NOON TODAY TO 4 AM CDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. RAIN IS EXPECTED TO CHANGE TO SNOW THIS AFTERNOON AND INCREASE IN INTENSITY THROUGH THE EVENING. TOTAL SNOWFALL AMOUNTS OF 6 INCHES OR GREATER ARE EXPECTED. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE HALF MILE AT TIMES THIS AFTERNOON AND THIS EVENING. A WINTER STORM WARNING MEANS THAT 6 INCHES OR MORE OF SNOW IS EXPECTED. THE RAPID ACCUMULATION OF SNOW WILL MAKE TRAVEL EXTREMELY DIFFICULT. IF TRAVEL IS NECESSARY... MAKE SURE TO EXERCISE CAUTION. BEGIN YOUR TRAVEL WITH A TANK FULL OF GAS...AND CARRY A WINTER STORM KIT WHICH INCLUDES A SHOVEL... FLASHLIGHT...CELLPHONE...AND BLANKETS OF EXTRA WARM CLOTHING. && $$ MOZ051-282200- /O.UPG.KLSX.WS.A.0002.090328T1500Z-090329T1200Z/ /O.NEW.KLSX.WW.Y.0004.090328T2100Z-090329T0900Z/ MONTGOMERY- 331 AM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER WEATHER ADVISORY FOR CENTRAL MISSOURI...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. RAIN IS EXPECTED TO CHANGE TO SNOW LATE THIS AFTERNOON AND CONTINUE THROUGHOUT THIS EVENING. SNOWFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. 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. && $$ ILZ095>097-MOZ027-034>036-041-042-047>050-282200- /O.UPG.KLSX.WS.A.0002.090328T1500Z-090329T0600Z/ /O.NEW.KLSX.WW.Y.0004.090328T2100Z-090329T0900Z/ ADAMS IL-BROWN IL-PIKE IL-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN- MONITEAU-COLE-OSAGE-CALLAWAY- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY 331 AM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER WEATHER ADVISORY FOR CENTRAL AND NORTHEAST MISSOURI...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. RAIN IS EXPECTED TO CHANGE TO SNOW LATE THIS AFTERNOON AND THIS EVENING. A TOTAL SNOW ACCUMULATION OF 2 TO 5 INCHES IS EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES LATE THIS AFTERNOON AND TONIGHT. A WINTER WEATHER ADVISORY MEANS THAT UP TO 5 INCHES OF SNOW IS EXPECTED ACROSS THE ADVISORY AREA. ROADS MAY RAPIDLY BECOME SLIPPERY ONCE THE SNOW BEGINS...SO MOTORISTS SHOULD PLAN FOR A SLOWER THAN NORMAL TRIP. BE ESPECIALLY ALERT WHEN APPROACHING BRIDGES...OVERPASSES...AND CURVES. && $$ ILZ058>060-064-098>100-MOZ052-059>064-282200- /O.UPG.KLSX.WS.A.0002.090329T0000Z-090329T1200Z/ /O.NEW.KLSX.WW.Y.0004.090329T0000Z-090329T0900Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-CALHOUN IL-JERSEY IL- MADISON IL-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY- INCLUDING THE CITIES OF...LITCHFIELD...EDWARDSVILLE... ST CHARLES...UNION...ST LOUIS 331 AM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 4 AM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER WEATHER ADVISORY FOR PARTS OF EASTERN MISSOURI AND WESTERN ILLINOIS...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM CDT SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. RAIN IS EXPECTED TO CHANGE TO SNOW SATURDAY EVENING AND CONTINUE OVERNIGHT. A TOTAL SNOW ACCUMULATION OF 2 TO 5 INCHES IS EXPECTED TO OCCUR...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. 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. && $$ CVKING
4 follow-up statements
000 WWUS43 KLSX 281202 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 702 AM CDT SAT MAR 28 2009 ...EARLY SPRING WINTER STORM TAKING AIM ON MISSOURI AND ILLINOIS... .AN INTENSE AREA OF LOW PRESSURE WILL MOVE NORTHEAST ACROSS SOUTHERN MISSOURI AND ILLINOIS TODAY. A BAND OF HEAVY WET SNOW IS EXPECTED TO BRING MORE THAN 6 INCHES OF SNOW TO PORTIONS OF NORTHEAST MISSOURI THIS AFTERNOON AND THIS EVENING. FURTHER SOUTH AND EAST...THE RAIN WILL GRADUALLY CHANGE TO SNOW LATE THIS AFTERNOON AND THIS EVENING. TOTAL SNOW ACCUMULATION ACROSS THE ADVISORY AREA IS EXPECTED TO BE 2 TO 5 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. MOZ018-019-026-282200- /O.CON.KLSX.WS.W.0003.090328T1700Z-090329T0900Z/ KNOX-LEWIS-SHELBY- 702 AM CDT SAT MAR 28 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 AM CDT SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 AM CDT SUNDAY. RAIN IS EXPECTED TO CHANGE TO SNOW THIS AFTERNOON AND INCREASE IN INTENSITY THROUGH THE EVENING. TOTAL SNOWFALL AMOUNTS OF 6 INCHES OR GREATER ARE EXPECTED. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE HALF MILE AT TIMES THIS AFTERNOON AND THIS EVENING. A WINTER STORM WARNING MEANS THAT 6 INCHES OR MORE OF SNOW IS EXPECTED. THE RAPID ACCUMULATION OF SNOW WILL MAKE TRAVEL EXTREMELY DIFFICULT. IF TRAVEL IS NECESSARY... MAKE SURE TO EXERCISE CAUTION. BEGIN YOUR TRAVEL WITH A TANK FULL OF GAS...AND CARRY A WINTER STORM KIT WHICH INCLUDES A SHOVEL... FLASHLIGHT... CELLPHONE...AND BLANKETS OF EXTRA WARM CLOTHING. && $$ ILZ095>097-MOZ027-034>036-041-042-047>051-282200- /O.CON.KLSX.WW.Y.0004.090328T2100Z-090329T0900Z/ ADAMS IL-BROWN IL-PIKE IL-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN- MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY 702 AM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CDT SUNDAY. RAIN IS EXPECTED TO CHANGE TO SNOW LATE THIS AFTERNOON AND CONTINUE THROUGHOUT THIS EVENING. SNOWFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. 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. && $$ ILZ058>060-064-098>100-MOZ052-059>064-282200- /O.CON.KLSX.WW.Y.0004.090329T0000Z-090329T0900Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-CALHOUN IL-JERSEY IL- MADISON IL-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY- INCLUDING THE CITIES OF...LITCHFIELD...EDWARDSVILLE... ST CHARLES...UNION...ST LOUIS 702 AM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM CDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM CDT SUNDAY. RAIN IS EXPECTED TO CHANGE TO SNOW THIS EVENING AND CONTINUE OVERNIGHT. A TOTAL SNOW ACCUMULATION OF 2 TO 5 INCHES IS EXPECTED TO OCCUR...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. A WINTER WEATHER ADVISORY MEANS THAT UP TO 5 INCHES OF SNOW IS EXPECTED ACROSS THE ADVISORY AREA. ROADS MAY RAPIDLY BECOME SLIPPERY ONCE THE SNOW BEGINS...SO MOTORISTS SHOULD PLAN FOR A SLOWER THAN NORMAL TRIP. BE ESPECIALLY ALERT WHEN APPROACHING BRIDGES...OVERPASSES...AND CURVES. && $$ CVKING
000 WWUS43 KLSX 281730 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 1230 PM CDT SAT MAR 28 2009 ...EARLY SPRING WINTER STORM TAKING AIM ON MISSOURI AND ILLINOIS... .AN INTENSE AREA OF LOW PRESSURE WILL MOVE NORTHEAST ACROSS SOUTHERN MISSOURI AND ILLINOIS TONIGHT. A BAND OF HEAVY WET SNOW IS EXPECTED TO BRING MORE THAN 6 INCHES OF SNOW TO PORTIONS OF NORTHEAST MISSOURI THIS AFTERNOON AND THIS EVENING. FURTHER SOUTH AND EAST...THE RAIN WILL GRADUALLY CHANGE TO SNOW LATE THIS AFTERNOON AND THIS EVENING. TOTAL SNOW ACCUMULATION ACROSS THE ADVISORY AREA IS EXPECTED TO BE 2 TO 5 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. MOZ018-019-026-290530- /O.CON.KLSX.WS.W.0003.000000T0000Z-090329T0900Z/ KNOX-LEWIS-SHELBY- 1230 PM CDT SAT MAR 28 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CDT SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CDT SUNDAY. RAIN IS EXPECTED TO CHANGE SNOW THIS AFTERNOON AND INCREASE IN INTENSITY THROUGH THE EVENING. SOME SLEET AND FREEZING RAIN MAY ALSO MIX IN AT TIMES. TOTAL SLEET AND SNOWFALL AMOUNTS OF 6 INCHES OR GREATER ARE EXPECTED. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE HALF MILE AT TIMES LATE THIS AFTERNOON AND THIS EVENING. 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 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. && $$ ILZ095>097-MOZ027-034>036-041-042-047>051-290530- /O.CON.KLSX.WW.Y.0004.090328T2100Z-090329T0900Z/ ADAMS IL-BROWN IL-PIKE IL-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN- MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY 1230 PM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CDT SUNDAY. RAIN IS EXPECTED TO CHANGE TO SNOW LATE THIS AFTERNOON AND CONTINUE THROUGHOUT THIS EVENING. SOME SLEET AND FREEZING RAIN MAY ALSO MIX IN AT TIMES. TOTAL SLEET AND SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. A WINTER WEATHER ADVISORY MEANS THAT UP TO 5 INCHES OF SNOW IS EXPECTED ACROSS THE ADVISORY AREA. ROADS MAY RAPIDLY BECOME SLIPPERY ONCE THE SNOW BEGINS...SO MOTORISTS SHOULD PLAN FOR A SLOWER THAN NORMAL TRIP. BE ESPECIALLY ALERT WHEN APPROACHING BRIDGES...OVERPASSES...AND CURVES. && $$ ILZ058>060-064-098>100-MOZ052-059>064-290530- /O.CON.KLSX.WW.Y.0004.090329T0000Z-090329T0900Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-CALHOUN IL-JERSEY IL- MADISON IL-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY- INCLUDING THE CITIES OF...LITCHFIELD...EDWARDSVILLE... ST CHARLES...UNION...ST LOUIS 1230 PM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM CDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM CDT SUNDAY. RAIN IS EXPECTED TO CHANGE TO SNOW THIS EVENING AND CONTINUE OVERNIGHT. A TOTAL SNOW ACCUMULATION OF 2 TO 5 INCHES IS EXPECTED TO OCCUR...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. 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. && $$ BRITT
000 WWUS43 KLSX 282102 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 402 PM CDT SAT MAR 28 2009 ...EARLY SPRING STORM WILL BRING SNOW AND SLEET TO REGION TONIGHT... .AN INTENSE AREA OF LOW PRESSURE WILL MOVE NORTHEAST ACROSS SOUTHERN MISSOURI AND ILLINOIS TONIGHT. A BAND OF HEAVY WET SNOW MIXED WITH SLEET MAY BRING MORE THAN 6 INCHES OF SNOW TO PARTS OF NORTHEAST MISSOURI THIS AFTERNOON AND THIS EVENING. FURTHER SOUTH AND EAST...THE RAIN WILL GRADUALLY CHANGE TO SNOW LATE THIS AFTERNOON AND THIS EVENING. TOTAL SNOW ACCUMULATION ACROSS THE ADVISORY AREA IS EXPECTED TO BE 2 TO 5 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. MOZ026-290900- /O.CAN.KLSX.WS.W.0003.000000T0000Z-090329T0900Z/ /O.EXA.KLSX.WW.Y.0004.090328T2100Z-090329T0900Z/ SHELBY- 402 PM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CDT SUNDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND SLEET...WHICH IS IN EFFECT UNTIL 4 AM CDT SUNDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. SLEET AND SNOW WILL MIX WITH RAIN BEFORE CHANGING OVER TO ALL SNOW THIS EVENING. FREEZING RAIN IS ALSO POSSIBLE THIS EVENING. TOTAL SLEET AND SNOWFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED BEFORE THE SNOW ENDS LATE TONIGHT. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS...SUCH AS SNOW...BLOWING SNOW...SLEET...OR FREEZING DRIZZLE AND RAIN. IT ONLY TAKES A SMALL AMOUNT OF WINTRY PRECIPITATION TO MAKE ROADS...BRIDGES...SIDEWALKS...AND PARKING LOTS ICY AND DANGEROUS. IT IS OFTEN DIFFICULT TO TELL WHEN ICE BEGINS TO FORM...SO DO NOT BE CAUGHT OFF GUARD. && $$ MOZ018-019-290900- /O.CON.KLSX.WS.W.0003.000000T0000Z-090329T0900Z/ KNOX-LEWIS- 402 PM CDT SAT MAR 28 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CDT SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CDT SUNDAY. SLEET AND SNOW WILL MIX WITH RAIN BEFORE CHANGING OVER TO ALL SNOW THIS EVENING. FREEZING RAIN IS ALSO POSSIBLE THIS EVENING. TOTAL SLEET AND SNOWFALL AMOUNTS OF 3 TO 6 INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED BEFORE THE SNOW ENDS LATE TONIGHT. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE HALF MILE AT TIMES LATE THIS AFTERNOON AND THIS EVENING. 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 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. && $$ ILZ095>097-MOZ027-034>036-041-042-047>051-290900- /O.CON.KLSX.WW.Y.0004.000000T0000Z-090329T0900Z/ ADAMS IL-BROWN IL-PIKE IL-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN- MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO...JEFFERSON CITY 402 PM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT SUNDAY. SLEET AND SNOW WILL MIX WITH RAIN BEFORE CHANGING OVER TO ALL SNOW THIS EVENING. FREEZING RAIN IS ALSO POSSIBLE THIS EVENING. TOTAL SLEET AND SNOWFALL OF 2 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED BEFORE THE SNOW ENDS LATE TONIGHT. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. A WINTER WEATHER ADVISORY MEANS THAT UP TO 5 INCHES OF SNOW IS EXPECTED ACROSS THE ADVISORY AREA. ROADS MAY RAPIDLY BECOME SLIPPERY ONCE THE SNOW BEGINS...SO MOTORISTS SHOULD PLAN FOR A SLOWER THAN NORMAL TRIP. BE ESPECIALLY ALERT WHEN APPROACHING BRIDGES...OVERPASSES...AND CURVES. && $$ ILZ058>060-064-098>100-MOZ052-059>064-290900- /O.CON.KLSX.WW.Y.0004.090329T0000Z-090329T0900Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-CALHOUN IL-JERSEY IL- MADISON IL-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY- INCLUDING THE CITIES OF...LITCHFIELD...EDWARDSVILLE... ST CHARLES...UNION...ST LOUIS 402 PM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM CDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM CDT SUNDAY. SLEET AND SNOW WILL MIX WITH RAIN BEFORE CHANGING OVER TO ALL SNOW THIS EVENING. FREEZING RAIN IS ALSO POSSIBLE THIS EVENING. TOTAL SLEET AND SNOWFALL OF 2 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE BEFORE THE SNOW ENDS LATE TONIGHT. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. 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. && $$ BRITT
000 WWUS43 KLSX 290118 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 818 PM CDT SAT MAR 28 2009 ...EARLY SPRING STORM WILL BRING SNOW AND SLEET TO REGION TONIGHT... .AN INTENSE AREA OF LOW PRESSURE WILL MOVE NORTHEAST ACROSS SOUTHERN ILLINOIS TONIGHT. A DEVELOPING BAND OF WET SNOW MIXED WITH SLEET MAY BRING UP TO 4 OR 5 INCHES OF SNOW TO PARTS OF NORTHEAST MISSOURI BY EARLY SUNDAY MORNING. FURTHER SOUTH AND EAST...THE RAIN WILL GRADUALLY CHANGE TO SNOW OVER MANY AREAS BY MIDNIGHT WITH TOTAL SNOW ACCUMULATION EXPECTED TO BE UP TO 3 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. MOZ018-019-290900- /O.CAN.KLSX.WS.W.0003.000000T0000Z-090329T0900Z/ /O.EXA.KLSX.WW.Y.0004.000000T0000Z-090329T0900Z/ KNOX-LEWIS- 818 PM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CDT SUNDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 4 AM CDT SUNDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. SLEET AND SNOW MAY MIX BRIEFLY WITH FREEZING RAIN BEFORE CHANGING TO ALL SNOW BY MIDNIGHT. TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO BE FROM 2 TO 4 INCHES BEFORE THE SNOW ENDS LATE TONIGHT. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER CONDITIONS...SUCH AS SNOW...BLOWING SNOW...SLEET...OR FREEZING DRIZZLE AND RAIN. IT ONLY TAKES A SMALL AMOUNT OF WINTRY PRECIPITATION TO MAKE ROADS...BRIDGES...SIDEWALKS...AND PARKING LOTS ICY AND DANGEROUS. IT IS OFTEN DIFFICULT TO TELL WHEN ICE BEGINS TO FORM...SO DO NOT BE CAUGHT OFF GUARD. && $$ ILZ058>060-064-095>100-MOZ026-027-034>036-041-042-047>052-059>064- 290900- /O.CON.KLSX.WW.Y.0004.000000T0000Z-090329T0900Z/ GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-ADAMS IL-BROWN IL- PIKE IL-CALHOUN IL-JERSEY IL-MADISON IL-SHELBY-MARION-MONROE- RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY- LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN-ST. LOUIS- ST. LOUIS CITY- INCLUDING THE CITIES OF...LITCHFIELD...QUINCY...EDWARDSVILLE... HANNIBAL...BOWLING GREEN...COLUMBIA...MEXICO...JEFFERSON CITY... ST CHARLES...UNION...ST LOUIS 818 PM CDT SAT MAR 28 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT SUNDAY. RAIN WILL BECOME MIXED WITH SLEET AND SNOW THIS EVENING AND THEN CHANGE TO ALL SNOW LATER THIS EVENING OR SHORTLY AFTER MIDNIGHT. A BRIEF INSTANCE OF FREEZING RAIN IS ALSO POSSIBLE DURING THE TRANSITION. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE POSSIBLE BEFORE THE SNOW ENDS LATE TONIGHT. THE COMBINATION OF A STRONG AND GUSTY NORTH WIND AND LARGE WET SNOWFLAKES WILL REDUCE THE VISIBILITY BELOW ONE MILE AT TIMES TONIGHT. 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. && $$ TES
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS St. Louis, MO wrote its last area forecast discussion before this winter storm warning went out at Mar 28, 3:03 AM CDT, 28 minutes earlier.
Area forecast discussion, Mar 28, 3:03 AM CDT, 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
303 AM CDT SAT MAR 28 2009
.DISCUSSION...
/303 AM CDT SAT MAR 28 2009/
MODEL GUIDANCE CONVERGING ON DETAILS OF EARLY SPRING WINTER STORM
EVENT...WITH TWO DEFORMATION ZONES EXPECTED TO IMPACT THE FORECAST
AREA OVER THE NEXT 24 HOURS. ONLY MINOR TWEAKS WERE MADE TO THE
FORECAST TO ACCOUNT FOR A SLOWER CHANGEOVER TO SNOW AND SLIGHT NORTHWEST
DISPLACEMENT OF THE TWO SNOWBANDS.
FIRST SLUG OF WARM ADVECTION MOISTURE CONTINUES TO PUSH
NORTH...SATURATING THE ATMOSPHERE AND MAKING FOR A WET BEGINNING
TO THE WEEKEND FOR MOST LOCATIONS IN MISSOURI. DRY EASTERLY FLOW
ACROSS ILLINOIS HAS KEPT MOST LOCATIONS DRY...BUT THIS WILL SOON
CHANGE AS THE WARM CONVEYOR BELT BECOMES ESTABLISHED ACROSS THE
ENTIRE CWA WITH WIDESPREAD RAIN AND ISOLATED THUNDERSTORMS
EXPECTED FOR MUCH OF THE MORNING HOURS.
DRY SLOT TO WORK ITS WAY NORTHEAST ALONG THE INTERSTATE 44
CORRIDOR IN MISSOURI THIS AFTERNOON WITH BEST PROBABILITIES OF
PRECIPITATION BECOMING FOCUSED NORTH OF THE DRY SLOT. 850MB WARM
WEDGE OF AIR WILL CONTINUE TO WRAP CYCLONICALLY ACROSS THE CWA FOR
MUCH OF THE DAY...KEEPING ALL PRECIPITATION LIQUID EXCEPT FOR FAR
NORTHWESTERN AREAS OF THE CWA WHERE MODEL SOUNDINGS SUGGEST A
CHANGE OVER TO SNOW DURING THE EARLY AFTERNOON AS ATMOSPHERE
DYNAMICALLY COOLS DUE TO STRONG SYNOPTIC AND MESOSCALE FORCING.
INTENSE SNOWFALL RATES OF MORE THAN 1 INCH PER HOUR ARE LIKELY TO
OCCUR IN THIS AREA DURING THE AFTERNOON AND EARLY EVENING WITH
LOCALLY UP TO 7 INCHES OF SNOWFALL EXPECTED.
TRANSITION TO SNOW WILL STEADILY MARCH ACROSS THE CWA LATE THIS
AFTERNOON AND THIS EVENING AS LOW PRESSURE SKIRTS JUST SOUTH OF
STL AND INTO THE OHIO RIVER VALLEY. AS THE UPPER TROF BECOMES
NEGATIVELY TILTED THE INITIAL DEFORMATION ZONE WILL DISSIPATE WITH
A NEW FOCUS ACROSS EASTERN MISSOURI AND WEST CENTRAL ILLINOIS.
STILL SOME UNCERTAINTY IN REGARD TO THE EXACT LOCATION OF THIS NEW
BAND...BUT EMPIRICAL METHODS WOULD SUGGEST A WARREN COUNTY
MISSOURI TO BROWN COUNTY ILLINOIS LINE WOULD BE THE BEST FIT AT
THE MOMENT.
HAVE DECIDED TO ISSUE A WINTER STORM WARNING FOR KNOX...LEWIS AND
SHELBY COUNTIES IN MISSOURI...WITH THE REMAINING WINTER STORM WATCH
COUNTIES BEING CONVERTED TO A WINTER WEATHER ADVISORY. THE SECOND
DEFORMATION ZONE CERTAINLY HAS THE POTENTIAL TO PRODUCE WARNING
CRITERIA SNOWFALL. WE WILL LIKELY HAVE TO NOWCAST THIS EVENT AS IT
UNFOLDS LATE THIS AFTERNOON AND EVENING...AND UPGRADE A PORTION OF
THE ADVISORY TO A WARNING AS RADAR AND OBSERVATIONS REVEAL THE
EXACT PLACEMENT OF THIS SECOND SNOWBAND.
CVKING
&&
.AVIATION...
/1141 PM CDT FRI MAR 27 2009/
FOR THE 06Z TAFS...
LITTLE CHANGE IN FORECAST SINCE LAST UPDATE. CONCERNS ABOUT
PRECIPITATION AND LOW MVFR CIGS/VSBYS INTRUDING INTO THE AREA
BETWEEN 10Z AND 14Z REMAIN. THINK CONDITIONS WILL DETERIORATE PRETTY
RAPIDLY ONCE PRECIP BEGINS. RAIN SHOULD CONTINUE THROUGH MUCH OF
THE DAY...WITH CONDITIONS LOWERING INTO IFR RANGE FROM WEST TO
EAST AS THE STORM MOVES INTO SOUTHERN MISSOURI. TIMING OF CHANGE
FROM RAIN TO SNOW LOOKS TO BE DELAYED JUST SLIGHTLY FROM PREVIOUS
FORECAST...BUT ITS STILL AFTERNOON FOR NORTHEAST MISSOURI...LATE
AFTERNOON/EARLY EVENING FOR CENTRAL MISSOURI...AND INTO THE
EVENING ACROSS THE REST OF THE AREA. ONCE SNOW STARTS IT COULD BE
HEAVY AT TIMES...BUT THAT WILL DEPEND ON VERY SMALL SCALE
PROCESSES SO HAVE NOT INCLUDED HEAVY SNOW IN ANY OF THE TERMINALS
AT THIS TIME.
CARNEY
&&
.LSX WATCHES/WARNINGS/ADVISORIES...
MO...WINTER WEATHER ADVISORY FROM 7 PM THIS EVENING TO 4 AM CDT
SUNDAY FOR FRANKLIN-GASCONADE-LINCOLN-ST. CHARLES-ST. LOUIS-
ST. LOUIS CITY-WARREN.
WINTER WEATHER ADVISORY FROM 4 PM THIS AFTERNOON TO 4 AM CDT
SUNDAY FOR AUDRAIN-BOONE-CALLAWAY-COLE-MARION-MONITEAU-
MONROE-MONTGOMERY-OSAGE-PIKE-RALLS.
WINTER STORM WARNING FROM NOON TODAY TO 4 AM CDT SUNDAY FOR KNOX-
LEWIS-SHELBY.
IL...WINTER WEATHER ADVISORY FROM 7 PM THIS EVENING TO 4 AM CDT
SUNDAY FOR BOND IL-CALHOUN IL-GREENE IL-JERSEY IL-MACOUPIN
IL-MADISON IL-MONTGOMERY IL.
WINTER WEATHER ADVISORY FROM 4 PM THIS AFTERNOON TO 4 AM CDT
SUNDAY FOR ADAMS IL-BROWN IL-PIKE IL.
&&
WFO LSXHazardous weather outlook, Mar 27, 11:50 PM CDT, 3 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1150 PM CDT FRI MAR 27 2009 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-281200- GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- 1150 PM CDT FRI MAR 27 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. MAJOR FLOODING IS OCCURRING ALONG THE ILLINOIS RIVER. PLEASE SEE THE APPROPRIATE FLOOD PRODUCTS FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY AN INTENSE EARLY SPRING STORM SYSTEM WILL BRING SNOW TO CENTRAL AND NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS ON SATURDAY AND SATURDAY NIGHT. SOME FREEZING RAIN IS POSSIBLE ACROSS NORTHEAST MISSOURI ON SATURDAY MORNING WITH A LIGHT ICE GLAZE POSSIBLE. THE SNOW IS EXPECTED TO DEVELOP ACROSS EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS ON SATURDAY NIGHT. SNOWFALL ACCUMULATIONS OF 6 INCHES OR GREATER ARE POSSIBLE ACROSS THESE REGIONS. A WINTER STORM WATCH IS IN EFFECT. FOR FURTHER INFORMATION...PLEASE REFER TO THE WATCH PRODUCT. THERE IS ALSO A CHANCE OF THUNDERSTORMS ACROSS EASTERN MISSOURI AND SOUTHWEST ILLINOIS ON SATURDAY MORNING. RAINFALL AMOUNTS OF 1 TO 2 INCHES FOR THE PERIOD STARTING TONIGHT AND CONTINUING THROUGH SATURDAY NIGHT COULD COULD CAUSE ADDITIONAL RISES ON AREA STREAMS AND RIVERS. MAJOR FLOODING IS FORECAST TO CONTINUE ALONG THE ILLINOIS RIVER. PLEASE SEE THE APPROPRIATE FLOOD PRODUCTS FOR FURTHER INFORMATION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT. && FOR A GRAPHICAL VERSION OF THIS INFORMATION SEE OUR WEBPAGE AT (LOWERCASE)... HTTP://WWW.WEATHER.GOV/LSX/?N=HWO1 TES
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 3:31 AM CDT | Winter Weather Advisory | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 18 more | 24 hr |
| Mar 28, 1:38 PM CDT | River Flood Warning | LSX | Cole | 19 hr |
Nearby
Winter Storm Warnings in Missouri, 2009Every winter storm warning in 2009
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.