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Snowstorm - February 1st, 2011National Weather Service, Springfield, MO |
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A very strong storm system brought significant wintry precipitation to the Missouri Ozarks and southeast Kansas on February 1st, 2011. This impressive storm system brought significant snowfall totals from Oklahoma through the northwest half of Missouri and into the western Great Lakes region.
A strong area of low pressure moved out of northeast Texas across Arkansas into the Missouri Bootheel and the western Ohio Valley region by the evening of February 1st, 2011. A large area of Arctic high pressure over the northern high Plains extended southeast into the mid and upper Mississippi valley regions. Warmer air associated with the low pressure system battled the colder air of the Arctic air mass and these temperature differences created a transition line of precipitation type across the Missouri Ozarks during the morning hours of February 1st.
As the low continued to lift northeast across Arkansas and into the Missouri Bootheel, the colder air continued to push across the Missouri Ozarks from the northwest, eventually changing the precipitation type over to all snow. The heaviest snowfall occurred in locations where the precipitation type changed over to all snow the earliest, mainly over west central Missouri into the Lake of the Ozarks region. The most significant icing took place over south central Missouri where the warmer air held on the longest. In some parts of the eastern Ozarks, the temperatures remained above freezing for much of the event, keeping precipitation in the form of light rain.
There were actually two rounds of heavy snow. The first round mainly occurred during the morning hours of February 1st, mainly north of the low pressure system as it tracked northeast across Arkansas. Some drier air then moved into the region as the low moved into the bootheel region of southeast Missouri with a second wave of heavy snow moving into the region on the back side of the low during the afternoon and early evening hours.
Snowfall amounts ranged from around 20 to 24 inches in parts of west central into central Missouri to trace amounts over south central Missouri. In addition to the heavy snowfall, winds of 15 to 30 mph with some gusts near 40 mph occurred during the day and nighttime hours of February 1st creating significant blowing and drifting of snow along with bitterly cold wind chills. This created near blizzard like conditions with near zero visibility at times and several feet of snow drifts.
Snowfall and Ice Summary (readings are ranged for each county)
|
County |
Snowfall Range |
Ice |
|
Missouri Ozarks | ||
|
Barry |
3 to 12 " |
|
|
Barton |
15" to 20 " |
|
|
Benton |
15" to 20" |
|
|
Camden |
10" to 20" |
|
|
Cedar |
12" to 22" |
|
|
Christian |
3" to 10" |
|
|
Dade |
12" to 20 " |
|
|
Dallas |
10" to 20 " |
|
|
Dent |
1" to 3" |
0.5" |
|
Douglas |
T to 4" |
0.5" |
|
Greene |
8" to 12" |
|
|
Hickory |
15" to 20 " |
|
|
Howell |
T to 2" |
T |
|
Jasper |
12" to 20 " |
|
|
Laclede |
6" to 15" |
|
|
Lawrence |
6" to 14" |
|
|
Maries |
4" to 10" |
|
|
McDonald |
6" to 12" |
|
|
Miller |
8" to 16" |
|
|
Morgan |
12" to 20" |
|
|
Newton |
10" to 20" |
|
|
Oregon |
T to 1" |
T |
|
Ozark |
T to 2" |
0.25" |
|
Phelps |
2" to 6" |
|
|
Polk |
8" to 20" |
|
|
Pulaski |
3" to 16" |
|
|
Shannon |
T to 3" |
0.25" |
|
St. Clair |
12" to 20 " |
|
|
Stone |
3" to 8" |
|
|
Taney |
1" to 6" |
|
|
Texas |
1" to 6" |
0.75" |
|
Vernon |
12" to 20" |
|
|
Webster |
3" to 8" |
|
|
Wright |
3" to 7" |
|
|
Southeast Kansas | ||
|
Bourbon |
10" to 14" |
|
|
Crawford |
13" to 18" |
|
|
Cherokee |
15" to 20" |
|
THE TOTALS BELOW ARE SEPARATED INTO SNOW...AND ICE AND SLEET
CATEGORIES...THEN BY AMOUNT...AND ARE NOT NECESSARILY THE
FINAL AMOUNT FOR EACH LOCATION.
SNOW REPORTS LISTED BY AMOUNT
INCHES LOCATION ST COUNTY TIME
------ ----------------------- -- -------------- -------
21.00 CAMDENTON MO CAMDEN 1034 PM
20.00 JERICO SPRINGS MO CEDAR 0803 AM
STORM TOTAL SNOW.
20.00 GRAVOIS MILLS MO MORGAN 0708 AM
STORM TOTAL SNOWFALL. CWIP REPORT.
20.00 FLEMINGTON MO POLK 0700 AM
STORM TOTAL SNOW
19.00 2 S HORTON MO VERNON 0700 AM
STORM TOTAL SNOW
18.00 4 W LAURIE MO MORGAN 0830 AM
STORM TOTAL SNOW
18.00 S FORT SCOTT KS BOURBON 0611 PM
EMERGENCY MANAGEMENT DIRECTOR MEASURED 18
INCHES ONE MILE SOUTH OF FORT SCOTT. IN
DOWNTOWN FORT SCOTT...SNOWFALL DEPTH WAS
MEASURED AT 19 INCHES.
18.00 LAMAR MO BARTON 0237 PM
18 INCHES OF SNOW MEASURED IN LAMAR.
18.00 JOPLIN MO JASPER 0237 PM
18 INCHES OF SNOW HAS BEEN MEASURED SO FAR IN
JOPLIN.
17.00 CARTHAGE MO JASPER 0700 AM
STORM TOTAL SNOW
17.00 APPLETON CITY MO ST. CLAIR 0558 PM
17 INCHES OF SNOW MEASURED AT APPLETON CITY.
17.00 FLEMINGTON MO POLK 0110 PM
MEASURED 17 INCHES OF SNOW.
16.00 5 W NEOSHO MO NEWTON 0830 AM
STORM TOTAL SNOW
16.00 1 E FAIR PLAY MO POLK 0230 PM
15.00 1 W SARCOXIE MO JASPER 0700 AM
STORM TOTAL SNOW
15.00 6 N LAMAR MO BARTON 0700 AM
STORM TOTAL SNOW
15.00 STOCKTON MO CEDAR 0130 PM
15.00 3 E DUQUESNE MO JASPER 1222 PM
14.50 JOPLIN MO JASPER 1127 AM
13 INCHES ALSO REPORTED IN CARTHAGE...12
INCHES IN DUENWEG...11 INCHES AT SENECA...AND
10 INCHES AT MILLER.
14.00 PLEASANT HOPE MO POLK 0700 AM
STORM TOTAL SNOW
14.00 NEMO MO HICKORY 0131 PM
14.00 LAMAR MO BARTON 1221 PM
13.00 4 NW WINDYVILLE MO DALLAS 0711 AM
STORM TOTAL SNOW. CWIP REPORT.
13.00 LOCKWOOD MO DADE 0700 AM
STORM TOTAL SNOW
13.00 PITTSBURG KS CRAWFORD 0700 AM
STORM TOTAL SNOW
13.00 MORRISVILLE MO POLK 0700 AM
STORM TOTAL SNOW
13.00 FAIR PLAY MO POLK 1140 AM
13.00 GREENFIELD MO DADE 1000 AM
TOTAL SNOWFALL ESTIMATED BETWEEN 12 AND 13
INCHES
12.00 4 S ASH GROVE MO GREENE 0755 AM
STORM TOTAL SNOW.
12.00 GRANBY MO NEWTON 1241 PM
12.00 GRANBY MO NEWTON 1241 PM
12.00 FLEMINGTON MO POLK 1106 AM
TOTAL ACCUMULATION OF 12 INCHES AS OF 1100.
RECEIVED SEVEN INCHES SINCE 7 AM.
12.00 JOPLIN MO JASPER 1030 AM
11.00 APPLETON CITY MO ST. CLAIR 0723 AM
STORM TOTAL SNOW.
11.00 GOODSON MO POLK 1120 AM
10.00 5 NW SPRINGFIELD MO GREENE 1200 AM
DAILY SNOWFALL AT NWS OFFICE FOR FEB 1 2011.
10.00 ANDERSON MO MCDONALD 0230 PM
A 100 BY 200 FT METAL BUILDING COLLAPSED FROM
THE WEIGHT OF THE HEAVY SNOW. 10 INCHES OF
SNOW WAS MEASURED IN ANDERSON BY THE
EMERGENCY MANAGEMENT DIRECTOR.
10.00 6 NNE WILLARD MO GREENE 0215 PM
COCORAHS.
10.00 COLE CAMP MO BENTON 0140 PM
10.00 CROSS TIMBERS MO HICKORY 0100 PM
10.00 LEBANON MO LACLEDE 1240 PM
MEASURED EIGHT INCHES OF SNOW ON TOP OF TWO
INCHES OF SLEET.
10.00 LAMAR MO BARTON 1030 AM
9.00 LINN CREEK MO CAMDEN 1050 AM
8.50 PITTSBURG KS CRAWFORD 1110 AM
8.00 ULMAN MO MILLER 1030 AM
8.00 HUMANSVILLE MO POLK 1020 AM
8.00 CROSS TIMBERS MO HICKORY 1020 AM
8.00 EUDORA MO POLK 1010 AM
100 YARD VISIBILITY
8.00 MACKS CREEK MO CAMDEN 0830 AM
7.00 HIGHLANDVILLE MO CHRISTIAN 0100 PM
ALSO SEVEN INCHES REPORTED IN OZARK.
7.00 FORT SCOTT KS BOURBON 0930 AM
6.00 5 WNW EAGLE ROCK MO BARRY 0704 AM
MEASURED AT ROARING RIVER STATE PARK.
6.00 MARSHFIELD MO WEBSTER 0700 AM
6.00 CAMDENTON MO CAMDEN 1055 AM
FIVE TO SIX INCHES OF SNOW REPORTED IN THE
VICINITY OF CAMDENTON.
6.00 CROSS TIMBERS MO HICKORY 0915 AM
6.00 ASH GROVE MO GREENE 0845 AM
6.00 LAKE OZARK MO MILLER 0830 AM
6.00 FLEMINGTON MO POLK 0730 AM
ONE INCH OF SNOW IN THE LAST 30 MINUTES
6.00 CARTHAGE MO JASPER 0725 AM
SLEET AND SNOW
6.00 ALDRICH MO POLK 0700 AM
5.50 5 W NEOSHO MO NEWTON 0900 AM
5.50 JOPLIN MO JASPER 0600 AM
5.00 HARTVILLE MO WRIGHT 0700 AM
5.00 ROLLA MO PHELPS 0700 AM
STORM TOTAL SNOW
5.00 2 W SPARTA MO CHRISTIAN 1228 PM
5.00 1 ESE SPRINGFIELD MO GREENE 1141 AM
5.00 PINEVILLE MO MCDONALD 0730 AM
ONE INCH OF SLEET...4 INCHES OF SNOW
5.00 MORRISVILLE MO POLK 0730 AM
SNOW AND SLEET
5.00 LAMAR MO BARTON 0725 AM
5.00 FLEMINGTON MO POLK 0706 AM
MOST SNOW FELL BETWEEN 4AM AND 7AM.
5.00 FLEMINGTON MO POLK 0700 AM
MOST SNOW FELL BETWEEN 4AM AND 7AM.
5.00 BAXTER SPRINGS KS CHEROKEE 0625 AM
4.50 NIANGUA MO BARTON 0744 PM
1 INCH OF SLEET AND 3.5 INCHES OF SNOW.
4.50 4 W LAURIE MO MORGAN 0900 AM
4.00 2 W SPARTA MO CHRISTIAN 0136 PM
DEPTH MEASUREMENT INCLUDES STEET UNDER SNOW.
TRACE ICING REPORTED.
4.00 FORT SCOTT KS BOURBON 0820 AM
VISIBILITY 100 TO 200 FT
4.00 GOLDEN CITY MO BARTON 0630 AM
3.00 BOLIVAR MO POLK 0630 AM
3.00 FLEMINGTON MO POLK 0630 AM
3.00 COLUMBUS KS CHEROKEE 0625 AM
3.00 6 N LAMAR MO BARTON 0600 AM
3.00 6 N LAMAR MO BARTON 0600 AM
3.00 6 N LAMAR MO BARTON 0600 AM
3.00 PITTSBURG KS CRAWFORD 0600 AM
2.50 4 NW AKERS MO SHANNON 0709 AM
1 INCH OF SLEET AND ICE...1.5 INCHES OF SNOW.
2.00 1 N BRADLEYVILLE MO TANEY 1228 PM
TWO INCHES OF SLEET ON THE GROUND.
2.00 NEVADA MO VERNON 0700 AM
2.00 FORT SCOTT KS BOURBON 0700 AM
2.00 ASH GROVE MO GREENE 0645 AM
2.00 ASH GROVE MO GREENE 0645 AM
2.00 OSAGE BEACH MO CAMDEN 0615 AM
1.50 OSCEOLA MO ST. CLAIR 0700 AM
SLEET AND FREEZING RAIN REPORTS LISTED BY AMOUNT
INCHES LOCATION ST COUNTY TIME
------ ----------------------- -- -------------- -------
2.10 ROLLA MO PHELPS 0125 PM
ALSO REPORTED 0.3 INCHES OF ICE ACCUMULATION.
2.00 MOUNT VERNON MO LAWRENCE 0424 AM
1.80 ROLLA MO PHELPS 1056 AM
ONE POINT EIGHT INCHES OF SLEET MEASURED OVER
THIN GLAZE OF ICE.
1.50 FORSYTH MO TANEY 1039 AM
ONE AND ONE HALF INCHES OF SLEET COVERING THE
GROUND.
1.00 FORSYTH MO TANEY 0815 AM
1.00 1 N SEYMOUR MO WEBSTER 0750 AM
PRECIPITATION ALL SLEET
1.00 BOIS D`ARC MO GREENE 0505 AM
1.00 CARTHAGE MO JASPER 0237 AM
1.00 WEBB CITY MO JASPER 0159 AM
1 INCH OF SLEET AND SNOW. ALSO THUNDER.
0.75 CAMDENTON MO CAMDEN 0458 AM
SLEET CHANGING TO SNOW.
0.25 4 NE WHITE CHURCH MO HOWELL 1130 AM
ONE EIGHTH TO ONE QUARTER INCH OF ICE
BUILDING UP ON TREES. SOME SLEET MIXED IN
WITH THE RAIN.
0.25 GALENA MO STONE 0815 AM
ICE ACCUMULATION TO TREES. 1.5 INCHES OF
SLEET AND 1 INCH OF SNOW ON TOP OF ICE ON
GROUND.
0.25 4 S FORDLAND MO WEBSTER 0755 AM
ONE EIGHTH TO ONE QUARTER INCH OF ICE
ACCUMULATION TO TREES AND ELEVATED SURFACES.
0.25 GAINESVILLE MO OZARK 0715 AM
0.10 HOUSTON MO TEXAS 1122 AM
ONE TENTH INCH OF ICE ON TREES AND
POWERLINES.
0.00 WEST PLAINS MO HOWELL 0815 AM
FREEZING RAIN BEGAN AT 815 AM...ALL RAIN
BEFORE THAT.
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