Lavaca, AR

6:40 PM CST on February 11, 2012 (GMT -0600)
Elev: 440 ft
Lon: 94.2° W
Lat: 35.3° N
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Active Advisory: Special Weather Statement (US Severe Weather)
Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Kari Kiefer
Weather Underground midday recap for Saturday, February 11, 2012.

Cold air poured into the Plains on Saturday, while snow showers developed in parts of the Northeast. A strong low pressure system that brought heavy rain to the Southern Plains and Southeast has advanced eastward and off the East Coast into the Atlantic Ocean. However, counter-clockwise flow around this system continued to push moisture into the Northeast, Great Lakes, and Ohio River Valley. In addition to cool air over the region, this allowed for snow showers to develop across Michigan and the Ohio River Valley. Snowfall accumulations ranged from 1 to 3 inches in most areas, with up to 5 inches at higher elevations of the Central Appalachians. Coastal regions remained slightly warmer, which maintained light rain showers from southern Maine through Virginia.

Behind this system, a dominant ridge of high pressure continued to build over the Plains. This system started to stretch eastward over the Mississippi Valley. Flow around this system pulled cold air in from central Canada and kept seasonable cool temperatures over the Central US. High temperatures only reached into the 30s in parts of northern Texas, while the Central and Northern Plains saw highs in the teens, with overnight lows in the negative teens.

Out West, cool conditions persisted with areas of wet weather as a trough of low pressure moved over the Pacific Northwest and into the Intermountain West and Great Basin. Rainfall totals and high elevation snow accumulation remained light. A few light rain showers extended into California as moist onshore flow persisted.
Weather Underground midday recap for Saturday, February 11, 2012.

Cold air poured into the Plains on Saturday, while snow showers developed in parts of the Northeast. A strong low pressure system that brought heavy rain to the Southern Plains and Southeast has advanced eastward and off the East Coast into the Atlantic Ocean. However, counter-clockwise flow around this system continued to push moisture into the Northeast, Great Lakes, and Ohio River Valley. In addition to cool air over the region, this allowed for snow showers to develop across Michigan and the Ohio River Valley. Snowfall accumulations ranged from 1 to 3 inches in most areas, with up to 5 inches at higher elevations of the Central Appalachians. Coastal regions remained slightly warmer, which maintained light rain showers from southern Maine through Virginia.

Behind this system, a dominant ridge of high pressure continued to build over the Plains. This system started to stretch eastward over the Mississippi Valley. Flow around this system pulled cold air in from central Canada and kept seasonable cool temperatures over the Central US. High temperatures only reached into the 30s in parts of northern Texas, while the Central and Northern Plains saw highs in the teens, with overnight lows in the negative teens.

Out West, cool conditions persisted with areas of wet weather as a trough of low pressure moved over the Pacific Northwest and into the Intermountain West and Great Basin. Rainfall totals and high elevation snow accumulation remained light. A few light rain showers extended into California as moist onshore flow persisted.
Weather Underground Broadcast Network
Lavaca Weather at a Glance
Updated 5:53 PM CST
Weather Station
Fort Smith (KFSM)
Elevation
466 ft
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Now
Clear
Clear
Temperature
33 °F
Feels Like 26 °F
Wind(mph)
9
Sunrise / Set
7:07 AM
5:54 PM
Moon
Waning Gibbous
Tonight
Clear 16 °F
Clear
Tomorrow
Partly Cloudy 38 °F
Partly Cloudy
Tomorrow Night
Snow 27 °F
Snow
60% chance of precipitation
Monday
Ice Pellets 34 | 29 °F
Ice Pellets
100% chance of precipitation
Tuesday
Partly Cloudy 54 | 34 °F
Partly Cloudy
Wednesday
Thunderstorm 56 | 40 °F
T-storms
30% chance of precipitation
Tomorrow is forecast to be Warmer than today.
Conditions
Pressure
30.62 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
35%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KFSM 112353Z 01008KT 10SM CLR 01/M13 A3060 RMK AO2 SLP367 T00061133 10022 21028 53001
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Weather Radio
Launch Weather Radio
Temperature
Windchill
26 °F
Dew Point
8 °F
Wind
Speed / Dir
9 mph from North
Wind Gust
Health
UV
0 out of 16
Pollen
2.50 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Regional Forecast for Sebastian
Tonight
nt_sunny Clear. Lows around 16. North winds around 10 mph in the evening becoming light.
Sunday
partlycloudy Mostly sunny. Highs in the upper 30s. Light winds.
Sunday Night
nt_chancesnow Mostly cloudy in the evening...then snow likely after midnight. Lows in the upper 20s. Light winds becoming east around 10 mph after midnight. Chance of snow 70 percent.
Monday
snow Snow...sleet and freezing rain in the morning...then rain...freezing rain and sleet in the afternoon. Highs in the mid 30s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.
Monday Night
nt_cloudy Mostly cloudy in the evening then becoming partly cloudy. Slight chance of light drizzle and light freezing drizzle in the evening. Lows in the lower 30s. Southeast winds around 10 mph in the evening becoming light.
Tuesday
partlycloudy Mostly sunny. Highs in the lower 50s.
Tuesday Night
nt_partlycloudy Partly cloudy. Lows in the mid 30s.
Wednesday
cloudy Mostly cloudy. Chance of rain showers in the morning...then chance of rain showers and isolated thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 30 percent.
Wednesday Night
nt_cloudy Mostly cloudy with chance of rain showers and isolated thunderstorms in the evening...then partly cloudy with chance of rain showers after midnight. Lows around 40. Chance of precipitation 40 percent.
Thursday
partlycloudy Partly cloudy with a 20 percent chance of rain showers. Highs in the lower 50s.
Thursday Night
nt_sunny Mostly clear. Lows in the lower 30s.
Friday
partlycloudy Mostly sunny. Highs in the mid 50s.
Friday Night
nt_sunny Mostly clear. Lows in the mid 30s.
Saturday
chancerain Mostly cloudy with a 30 percent chance of rain showers. Highs in the upper 50s.
Source: NWS at 3:46 PM CST on February 11, 2012
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Forecast
View Calendar 7-Day Weather Forecast for 72941
Saturday, 11
Partly Cloudy
35 | 16 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 12
Partly Cloudy
38 | 27 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 13
Ice Pellets
34 | 29 °F
Ice Pellets
Chance of
Precipitation
100%
Tuesday, 14
Partly Cloudy
54 | 34 °F
Partly Cloudy
Chance of
Precipitation
10%
Wednesday, 15
Thunderstorm
56 | 40 °F
T-storms
Chance of
Precipitation
30%
Thursday, 16
Chance of Rain
54 | 32 °F
Chance of Rain
Chance of
Precipitation
20%
Friday, 17
Clear
56 | 34 °F
Clear
Chance of
Precipitation
10%
Saturday, 18
Chance of Rain
58 | NA
Chance of Rain
Chance of
Precipitation
20%
Source: NWS at 3:46 PM CST on February 11, 2012
Regional Forecast for Sebastian
Tonight
nt_sunny Clear. Lows around 16. North winds around 10 mph in the evening becoming light.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 9 31 | 0 31 | 0 20 | 4
Wind 9 mph North 11 mph North 9 mph North 5 mph North
Humidity 56% 26% 23% 51%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 55% 26% 11% 0%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
7:07 AM
5:54 PM
Source: NWS at 3:46 PM CST on February 11, 2012
Regional Forecast for Sebastian
Sunday
partlycloudy Mostly sunny. Highs in the upper 30s. Light winds.
Sunday Night
nt_chancesnow Mostly cloudy in the evening...then snow likely after midnight. Lows in the upper 20s. Light winds becoming east around 10 mph after midnight. Chance of snow 70 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 16 | 4 32 | 2 38 | 4 31 | 13
Wind 0 mph ENE 6 mph East 4 mph ENE 6 mph East
Humidity 61% 26% 24% 44%
Chance of Precip. 0% 0% 0% 60%
Cloud Cover 6% 23% 57% 100%
Conditions Clear Clear Partly Cloudy Snow
Sunrise & Sunset
7:06 AM
5:55 PM
Source: NWS at 3:46 PM CST on February 11, 2012
Regional Forecast for Sebastian
Monday
snow Snow...sleet and freezing rain in the morning...then rain...freezing rain and sleet in the afternoon. Highs in the mid 30s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.
Monday Night
nt_cloudy Mostly cloudy in the evening then becoming partly cloudy. Slight chance of light drizzle and light freezing drizzle in the evening. Lows in the lower 30s. Southeast winds around 10 mph in the evening becoming light.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 27 | 22 29 | 27 32 | 29 31 | 29
Wind 9 mph East 12 mph East 8 mph East 5 mph ESE
Humidity 84% 88% 84% 92%
Chance of Precip. 60% 100% 100% 20%
Cloud Cover 100% 100% 93% 61%
Conditions Snow Ice Pellets Ice Pellets Partly Cloudy
Sunrise & Sunset
7:05 AM
5:56 PM
Source: NWS at 3:46 PM CST on February 11, 2012
Regional Forecast for Sebastian
Tuesday
partlycloudy Mostly sunny. Highs in the lower 50s.
Tuesday Night
nt_partlycloudy Partly cloudy. Lows in the mid 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 29 47 | 32 49 | 36 38 | 36
Wind 2 mph West 4 mph SSW 5 mph ESE 5 mph ESE
Humidity 92% 55% 61% 89%
Chance of Precip. 20% 10% 10% 10%
Cloud Cover 29% 23% 43% 48%
Conditions Partly Cloudy Clear Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:04 AM
5:57 PM
Source: NWS at 3:46 PM CST on February 11, 2012
Regional Forecast for Sebastian
Wednesday
cloudy Mostly cloudy. Chance of rain showers in the morning...then chance of rain showers and isolated thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 30 percent.
Wednesday Night
nt_cloudy Mostly cloudy with chance of rain showers and isolated thunderstorms in the evening...then partly cloudy with chance of rain showers after midnight. Lows around 40. Chance of precipitation 40 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 34 50 | 40 54 | 43 43 | 41
Wind 6 mph ESE 9 mph SE 12 mph SSE 11 mph SW
Humidity 99% 65% 69% 92%
Chance of Precip. 10% 30% 30% 40%
Cloud Cover 83% 84% 80% 64%
Conditions Chance of Rain Thunderstorm Thunderstorm Chance of Rain
Sunrise & Sunset
7:03 AM
5:58 PM
Source: NWS at 3:46 PM CST on February 11, 2012
Regional Forecast for Sebastian
Thursday
partlycloudy Partly cloudy with a 20 percent chance of rain showers. Highs in the lower 50s.
Thursday Night
nt_sunny Mostly clear. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 40 | 40 49 | 36 49 | 32 38 | 31
Wind 8 mph NW 7 mph NW 7 mph NNW 8 mph NNW
Humidity 99% 60% 52% 76%
Chance of Precip. 40% 20% 20% 10%
Cloud Cover 57% 46% 29% 26%
Conditions Chance of Rain Chance of Rain Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:03 AM
5:58 PM
Source: NWS at 3:46 PM CST on February 11, 2012
Regional Forecast for Sebastian
Friday
partlycloudy Mostly sunny. Highs in the mid 50s.
Friday Night
nt_sunny Mostly clear. Lows in the mid 30s.
Saturday
chancerain Mostly cloudy with a 30 percent chance of rain showers. Highs in the upper 50s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 27 50 | 29 52 | 29 40 | 29
Wind 9 mph NNW 8 mph NW 6 mph WNW 5 mph NNE
Humidity 81% 42% 42% 67%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 24% 21% 22% 40%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
7:03 AM
5:58 PM
Source: NWS at 3:46 PM CST on February 11, 2012
Regional Forecast for Sebastian
Saturday
chancerain Mostly cloudy with a 30 percent chance of rain showers. Highs in the upper 50s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 29 52 | 32 52 | 29 40 | 29
Wind 4 mph ESE 6 mph SE 6 mph WNW 5 mph NNE
Humidity 84% 48% 42% 67%
Chance of Precip. 10% 20% 10% 10%
Cloud Cover 70% 72% 22% 40%
Conditions Chance of Rain Chance of Rain Clear Partly Cloudy
Sunrise & Sunset
7:03 AM
5:58 PM
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Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 11, 2012 Max Temp Min Temp
Normal 54 °F 32 °F
Record 76 °F (1962) -8 °F (1899)
Yesterday 46 °F 30 °F
Yesterday's Heating Degree Days: 27
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Astronomy
Feb. 11, 2012 Rise Set
Actual Time 7:07 AM CST 5:54 PM CST
Civil Twilight 6:41 AM CST 6:20 PM CST
Nautical Twilight 6:11 AM CST 6:50 PM CST
Astronomical Twilight 5:41 AM CST 7:20 PM CST
Moon 10:29 PM CST (2/11) 9:02 AM CST (2/11)
Length Of Visible Light 11h 39m
Length of Day
10h 46m
Tomorrow will be 2m 0s longer.
Waning Gibbous, 79% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Visit Astronomy
Today's Extremes
State Highs State Lows
39 °F
Camden
38 °F
Texarkana
37 °F
El Dorado
37 °F
Monticello
37 °F
Russellville
12 °F
Rogers
12 °F
Siloam Springs
12 °F
Bentonville
12 °F
NW Arkansas Airport
12 °F
Fayetteville
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Fort Smith 33 °F Clear 5:53 PM CST
Poteau 32 °F Clear 6:35 PM CST
Sallisaw 30 °F Clear 6:35 PM CST
Fayetteville 25 °F Clear 5:53 PM CST
View all Aviation Tools
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KFSM)
Wind Speed: 8.0 kts.
Wind Dir: 10° (North)
Ceiling: Unlimited

METAR KFSM 112353Z 01008KT 10SM CLR 01/M13 A3060 RMK AO2 SLP367 T00061133 10022 21028 53001

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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Partly Cloudy, 63 °F
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 12, 2012 Mostly Cloudy, 45 °F
Northern Trust Open 8:30 AM PST on February 16, 2012 Clear, 63 °F
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
HADS ARKANSAS RIVER LOCK AND DAM #13 AR, Barling, AR - - - - North  at  - 0.00 in / hr 415 ft 5:00 PM CST MADIS
down town, Fort Smith, AR 31.1 °F 31 °F 11 °F 42% NNW  at  0.0 mph 0.00 in / hr 626 ft 5:40 PM MST Rapid Fire  
Greenwood, AR 27.3 °F 27 °F 12 °F 51% North  at  0.0 mph 0.00 in / hr 0 ft 6:40 PM CST Rapid Fire
HADS FROG BAYOU AT RUDY AR, Alma, AR - - - - North  at  - 0.00 in / hr 493 ft 6:00 PM CST MADIS
Van Buren, AR 31.1 °F 31 °F -2 °F 23% North  at  0.0 mph 0.00 in / hr 450 ft 6:40 PM CST Rapid Fire  
HADS LEE CREEK RESERVOIR NEAR VAN BUR AR, Van Buren, AR - - - - North  at  - 0.00 in / hr 399 ft 6:00 PM CST MADIS
Van Buren, AR 25.0 °F 21 °F -0 °F 33% NNW  at  3.6 mph 0.00 in / hr 500 ft 6:40 PM CST Rapid Fire  
HADS MULBERRY RIVER NEAR MULBERRY 6NN AR, Mountainburg, AR - - - - North  at  - 0.00 in / hr 433 ft 5:30 PM CST MADIS
RAWS BOONEVILLE AR, Booneville, AR 33 °F 29 °F 6 °F 32% NNE  at  4 mph 0.00 in / hr 342 ft 6:02 PM CST MADIS
HADS PETIT JEAN RIVER NEAR BOONEVILLE AR, Booneville, AR - - - - North  at  - 0.00 in / hr 422 ft 5:45 PM CST MADIS
HADS ARKANSAS RVR AT WISTER D MAYO LO OK, Spiro, OK 34 °F 34 °F - - North  at  - 0.00 in / hr 423 ft 5:00 PM CST MADIS
Booneville Municipal Airport, Booneville, AR 31.8 °F 32 °F 7 °F 35% NNW  at  2.0 mph 0.00 in / hr 460 ft 6:33 PM CST Normal
HADS ARKANSAS RVR AT OZARK LOCK AND D AR, Ozark, AR - - - - North  at  - 0.00 in / hr 490 ft 5:00 PM CST MADIS
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Special Weather Statement
Mobile & Email Alerts Statement as of 12:11 PM CST on February 11, 2012

... A wintry mix still on tap for Sunday night into Monday...

A mix of wintry precipitation is expected across eastern Oklahoma
and northwest Arkansas late Sunday night... continuing into the day
Monday. Given the timing of the precipitation... some impacts are
expected for the Monday morning commute.

A fast moving storm system will move out of the Desert Southwest
late this weekend... resulting in precipitation development across
the Southern Plains. With cold air already in place... the
precipitation will likely begin as snow across eastern Oklahoma
late Sunday night... spreading into northwest Arkansas Monday
morning.

As the storm system moves closer to and over the area... temperatures
aloft will increase from southwest to northeast... which will cause
the snow to transition to sleet and/or freezing rain over a good
portion of the area on Monday. The heavier precipitation will be
ending from west to east starting around midday Monday... with
lingering areas of drizzle or freezing drizzle into Monday night.

The highest snow accumulations will likely occur near the Kansas
and Missouri borders... as well as in the higher terrain areas of
northwest Arkansas. At this time... it appears that 1 to 4 inches of
snow and sleet accumulation is likely with locally higher amounts
possible. There is also the potential for some minor ice
accumulations to the south of the heavier snow band. Prolonged power
outages or similar major ice impacts are not expected.

Persons should continue to monitor the latest forecasts as snow
and ice amounts continue to be refined through the weekend. A
Winter Storm Watch may be needed for some areas late Sunday night
into Monday.