Alert archive / Missouri / Winter Storm Warnings in 2011
Winter Storm Warning 4, NWS St. Louis, MO
NWS St. Louis, MO issued this winter storm warning at Mar 14, 2011, 9:01 AM CDT for 5 counties in Missouri. It was in force for 7 hr. 13 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 14, 2011, 9:01 AM CDT (14:01 UTC)
- Expired
- Mar 14, 2011, 4:07 PM CDT
- In force
- 7 hr
- Issued by
- NWS St. Louis, MO
Counties Boone County, MO, Callaway County, MO, Cole County, MO, Moniteau County, MO, Osage County, MO
The radar
The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 14:03 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 14, 9:02 AM CDT | SNOW 3.3 | Ashland, MO | STILL SNOWING |
| Mar 14, 9:59 AM CDT | SNOW 5 | Ashland, MO | |
| Mar 14, 10:54 AM CDT | SNOW 3.8 | 5 Ne Rocheport, MO | |
| Mar 14, 11:40 AM CDT | SNOW 4 | 1 Nnw Columbia, MO | STILL SNOWING |
| Mar 14, 11:41 AM CDT | SNOW 4 | 1 Sse Columbia, MO | STILL SNOWING |
| Mar 14, 12:55 PM CDT | SNOW 5.8 | 4 Nne Ashland, MO | 1.38 INCHES OF WATER EQUIVALENT |
| Mar 14, 2:14 PM CDT | HEAVY SNOW 7 | 2 Sse Fulton, MO | STILL SNOWING |
| Mar 14, 2:15 PM CDT | HEAVY SNOW 7.5 | 3 Ese Columbia, MO | STILL SNOWING |
| Mar 14, 2:54 PM CDT | SNOW 8 | Fulton, MO | STILL SNOWING |
| Mar 14, 3:15 PM CDT | HEAVY SNOW 6.3 | Williamsburg, MO | STILL SNOWING |
| Mar 14, 3:48 PM CDT | SNOW 7 | 1 Nnw Columbia, MO | STILL SNOWING MODERATELY |
| Mar 14, 4:08 PM CDT | SNOW 6 | 3 W Jefferson City, MO | SNOW WATER EQUIVALENT 1.54 INCHES. STILL SNOWING. |
| Mar 14, 4:16 PM CDT | SNOW 7.7 | Columbia, MO | STILL SNOWING LIGHTLY...WITH BIG FLAKES |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 2.0 hours before the alert went out and 244 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
- 547 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 282 m²/s²
- 0-3 km storm-relative helicity
- 316 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
582 WWUS43 KLSX 141401 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 901 AM CDT MON MAR 14 2011 ...LATE SEASON STORM PRODUCING ACCUMULATING SNOW... MOZ041-047>050-142100- /O.UPG.KLSX.WW.Y.0009.000000T0000Z-110314T1700Z/ /O.NEW.KLSX.WS.W.0004.110314T1401Z-110314T2100Z/ BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY 901 AM CDT MON MAR 14 2011 ...WINTER STORM WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER STORM WARNING FOR HEAVY WET SNOW...WHICH IS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...SNOW WILL CONTINUE TO FALL THROUGH 4 PM BEFORE MIXING WITH AND CHANGING TO RAIN. * ACCUMULATIONS...ACCUMULATIONS WILL BE IN THE 6 TO 8 INCH RANGE...WITH ISOLATED HIGHER AMOUNTS. * WINDS...NORTHEAST WINDS OF 10 TO 15 MPH ARE EXPECTED. * IMPACTS...TRAVEL CONDITIONS WILL CONTINUE TO DETERIORATE THIS MORNING. MOTORISTS SHOULD BE ALERT FOR RAPIDLY CHANGING ROAD CONDITIONS. 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. && $$ ILZ100>102-MOZ064-065-142100- /O.EXB.KLSX.WW.Y.0009.000000T0000Z-110314T2100Z/ MADISON IL-ST. CLAIR IL-MONROE IL-ST. LOUIS CITY MO-JEFFERSON MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE...ST LOUIS 901 AM CDT MON MAR 14 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY WET SNOW...WHICH IS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE TO FALL THROUGH NOON BEFORE MIXING AND CHANGING BACK OVER TO RAIN. * ACCUMULATIONS...ACCUMULATIONS WILL BE IN THE 2 TO 5 INCH RANGE...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS...NORTHEAST WINDS OF 10 TO 15 MPH ARE EXPECTED. * IMPACTS...TRAVEL CONDITIONS WILL CONTINUE TO DETERIORATE THIS MORNING. MOTORISTS SHOULD BE ALERT FOR RAPIDLY CHANGING ROAD CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT UP TO 5 INCHES OF SNOW IS EXPECTED ACROSS THE ADVISORY AREA. ROADS MAY RAPIDLY BECOME SLIPPERY ONCE THE SNOW BEGINS...SO MOTORISTS SHOULD PLAN FOR A SLOWER THAN NORMAL TRIP. BE ESPECIALLY ALERT WHEN APPROACHING BRIDGES...OVERPASSES...AND CURVES. && $$ MOZ051-059>063-142100- /O.EXT.KLSX.WW.Y.0009.000000T0000Z-110314T2100Z/ MONTGOMERY MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO- ST. LOUIS MO- INCLUDING THE CITIES OF...ST CHARLES...UNION 901 AM CDT MON MAR 14 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... THE WINTER WEATHER ADVISORY FOR HEAVY WET SNOW IS NOW IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE TO FALL THROUGH NOON BEFORE MIXING AND CHANGING BACK OVER TO RAIN. * ACCUMULATIONS...ACCUMULATIONS WILL BE IN THE 2 TO 5 INCH RANGE...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS...NORTHEAST WINDS OF 10 TO 15 MPH ARE EXPECTED. * IMPACTS...TRAVEL CONDITIONS WILL CONTINUE TO DETERIORATE THIS MORNING. MOTORISTS SHOULD BE ALERT FOR RAPIDLY CHANGING ROAD CONDITIONS. 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. && $$ CVKING
1 follow-up statement
112 WWUS43 KLSX 142107 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 407 PM CDT MON MAR 14 2011 MOZ041-047>050-142215- /O.CAN.KLSX.WS.W.0004.000000T0000Z-110314T2100Z/ BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO- INCLUDING THE CITIES OF...COLUMBIA...JEFFERSON CITY 407 PM CDT MON MAR 14 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WINTER STORM WARNING. THE SNOW IS EXPECTED TO END TONIGHT WITH LITTLE IF ANY ADDITIONAL ACCUMULATION. AIR AND GROUND TEMPERATURES ARE WARM ENOUGH THAT MOST OF THE SNOW THAT FALLS THIS EVENING WILL MELT AS IT HITS THE GROUND. $$ ILZ100>102-MOZ051-059>065-142215- /O.CAN.KLSX.WW.Y.0009.000000T0000Z-110314T2100Z/ MADISON IL-ST. CLAIR IL-MONROE IL-MONTGOMERY MO-GASCONADE MO- WARREN MO-ST. CHARLES MO-FRANKLIN MO-ST. LOUIS MO- ST. LOUIS CITY MO-JEFFERSON MO- INCLUDING THE CITIES OF...EDWARDSVILLE...BELLEVILLE... ST CHARLES...UNION...ST LOUIS 407 PM CDT MON MAR 14 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WINTER WEATHER ADVISORY. THE SNOW IS EXPECTED TO CHANGE OVER TO RAIN THIS EVENING WITH LITTLE IF ANY ADDITIONAL ACCUMULATION. AIR AND GROUND TEMPERATURES ARE WARM ENOUGH THAT ANY SNOW THAT FALLS THIS EVENING WILL MELT AS IT HITS THE GROUND. $$ GKS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 12:00 AM CDT | Winter Weather Advisory | LSX | Boone, Callaway, Cole, Franklin, Gasconade, Jefferson and 7 more | 16 hr |
| Mar 14, 1:39 PM CDT | River Flood Warning | LSX | Perry, Sainte Genevieve | 4 days |
| Mar 14, 6:04 PM CDT | River Flood Warning | LSX | Osage | 15 hr |
Nearby
Winter Storm Warnings in Missouri, 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.