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Winter Storm of February 11-12, 2010 across the entire region
Winter Storm of February 11-12, 2010
A significant winter storm affected all of the four state region
Which began in the pre-dawn hours thursday...February 11th. Arctic
High pressure had built into the region during the early portion of
The week ahead of a potent upper level disturbance which moved
Across the southwestern states tapping a large plume of subtropical
Moisture. As the upper disturbance moved closer to our region...The
Moisture was lifted up and over the cold artic air already in place.
Light snow began to fall across areas west of interstate 49 before
Sunrise thursday and the intensities increased throughout the day
Mainly north of a jacksonville texas...To natchitoches louisiana
Line. As the upper disturbance moved closer...Snowfall rates
Increased to as much as 1 to 2 inches per hour in some locations
During the evening hours on thursday...Lasting into the early
Morning hours friday. The rain which had been falling across
Portions of deep east texas thursday eventually changed over to all
Snow during the early morning hours friday. When the storm ended
Early friday...Much of the area had received 4 to as much as 9
Inches of heavy wet snow. Numerous schools and businesses were
Closed and many roads were closed due to snow and slush covering
Them. Also...Due to the weight of the snow...Numerous trees were
Downed on powerlines causing power outages to nearly 100 thousand
People across the region.
This storm ranks 7th all time in total snowfall...Which was 5.4
Inches...For shreveport since records began in 1871...And the most
Snow the metropolitan area has seen since december 16th 1983...When
5.4 inches of snow was recorded.
Below are some preliminary snowfall totals from across the region:
LOCATION STATE LAT LON EST. OR MEASURED (IN)
...ARKANSAS...
TEXARKANA AR 33.45 -94.02 5.8
ATHENS AR 34.32 -94.07 3.0
DE QUEEN AR 34.04 -94.34 2.0
STAMPS AR 33.36 -93.50 2.0
...LOUISIANA...
MONTGOMERY 5 SE LA 31.61 -92.83 6.0
NATCHITOCHES LA 31.76 -93.10 6.0
NATCHITOCHES 5 NW LA 31.81 -93.16 6.0
WINNFIELD 10E LA 31.92 -92.47 6.0
JENA LA 31.69 -92.13 6.0
SHONGALOO 5 N LA 33.01 -93.29 6.0
PROVENCAL LA 31.65 -93.22 6.0
SHREVEPORT NWS LA 32.47 -93.80 5.4
WHEELING LA 31.76 -92.96 5.2
HANNA LA 31.96 -93.35 5.0
MONROE LA 32.51 -92.08 5.0
SWARTZ LA 32.57 -91.99 4.2
PLAIN DEALING 4 W LA 32.91 -93.77 4.0
HOMER LA 32.79 -93.06 4.0
CLARENCE LA 31.82 -93.03 4.0
ARCADIA LA 32.55 -92.92 4.0
FARMERVILLE LA 32.77 -92.40 3.0
BLANCHARD LA 32.59 -93.89 3.0
BENTON LA 32.68 -93.66 3.0
COLUMBIA LA 32.10 -92.08 3.0
...OKLAHOMA...
IDABEL 8 SE OK 33.82 -94.72 7.5
VALIANT OK 34.00 -95.09 6.0
BROKEN BOW OK 34.03 -94.73 5.5
BATTIEST OK 34.40 -94.93 3.0
...TEXAS...
LINDALE TX 32.51 -95.41 10.0
CARTHAGE TX 32.16 -94.36 9.0
LINDALE TX 32.51 -95.41 8.0
DE KALB TX 33.51 -94.62 8.0
MOUNT VERNON 9 S TX 33.04 -95.22 7.5
MINEOLA TX 32.67 -95.49 7.5
MOUNT PLEASANT TX 33.17 -94.98 7.0
ELYSIAN FIELDS TX 32.38 -94.27 7.0
LONGVIEW TX 32.52 -94.76 7.0
DIANA TX 32.70 -94.75 7.0
GILMER TX 32.75 -94.99 6.6
CENTER TX 31.79 -94.18 6.5
LONGVIEW 2 NE TX 32.54 -94.74 6.5
MAUD TX 33.43 -94.42 6.0
NACOGDOCHES TX 31.64 -94.62 6.0
HALLSVILLE 5NE TX 32.55 -94.52 6.0
HENDERSON TX 32.16 -94.80 6.0
ATLANTA TX 33.12 -94.16 6.0
BULLARD 8 NW TX 32.22 -95.42 5.0
RUSK TX 31.80 -95.15 4.7
JOAQUIN TX 31.97 -94.05 4.0
GLADEWATER 2 N TX 32.57 -94.95 4.0
CHIRENO 5 E TX 31.50 -94.26 3.0
LUFKIN 11 NW TX 31.45 -94.86 2.0
HEMPHILL TX 31.34 -93.85 2.0
A still shot of the radar image over surface temperatures on Thursday Feb 11 at 9:30 AM shows most of the region is breaking out in snow.
The rain/snow line wavered during the day but stayed primarily over deep east Texas until late Thursday night when everything
changed over to all snow.
Map of the many of the snowfall reports across the region
Atlanta Texas in Cass County reported 6 inches of snow. Submitted by a Skywarn Spotter.
Longview Texas received 6 to 7 inches of snow. Submitted by amateur radio operator.
Winnfield LA reported 6 inches. Areas stretching from Natchitoches to Jena LA reported 5-7 inches. Submitted by NWS Employee
Stonewall LA reported 5 inches. Submitted by an observer.
Longview Texas. Many of the trees across the region were weighed down by the heavy snow. power outages were widespread.
An meteorological overview of the pattern which led to the historic snowfall amounts across our region.
The weather balloon launched at 6 AM on Thursday indicated that the atmosphere was entirely below freezing except for the lowest few hundred feet.
This is a typical profile for a snow event.
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