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St. Charles Parish, LA Weather and Climate Synopsis

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National Weather Service Shreveport LA
303 PM CST Thu Dec 14 2017

.DISCUSSION...
Wv imagery this aftn shows entrenched upper ridge over the wrn
CONUS and trof axis extending from Baja all the way ne into the
Great Lakes region. Swwd extension of the trof tapping into 
Pacific moisture, transporting it newd into much of TX/LA. Nrn
extent of the trof will progress ewd Friday and Saturday, leaving
behind a large, cut-off low over wrn Mexico. Meanwhile, another
disturbance will emerge and dive swd along the ern periphery of
the upper ridge. This Will force the cut-off low to begin lifting
newd Saturday towards our region. Top-down moistening of the
column along with some rapid ll moisture return will result in
shwrs/isold tstms developing and spreading newd into the ArkLaTex
by Saturday evening. Good widespread averages near an inch to two
inches look to be possible with this disturbance before it moves
on Sunday morning.

Upper flow will remain swly as the second disturbance becomes cut
off over AZ. Developing low pressure along the TX Gulf Coast will
provide some additional moisture as the disturbance moves ewd 
into the Srn Plains early next week. Some question as to the
coverage of any associated convection, but have retained some 
conservative PoPs into the fcst for that timeframe. Mild and 
drier airmass will filter in in the wake of this disturbance as we
move into the middle part of next work week under zonal flow 
aloft to take us to the end of the pd. /12/

National Ag. Weather Outlook, International Ag. Weather Summary
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Regional Hourly Observations For ST. CHARLES County

SWR not available
Current Temperatures, Dewpoint, RH, Wind, Surface 4-Panel
Current Agricultural Weather Conditions in Louisiana
Based on observations at 400pm CST, Thursday December 14, 2017

Across Louisiana...temperatures are near 58 degrees north, near 56 degrees central, and near 61 degrees south. Current sky conditions are cloudy north, mostly sunny central, and cloudy south. In the north, relative humidity is near 42%, and the dew point is near 35 degrees. In the central part of the state, relative humidity is near 62%, and the dew point is near 43 degrees. In the south, relative humidity is near 62%, and the dew point is near 48 degrees. Winds are coming from the northeast at 5 mph in the north, where conditions are favorable for spraying. Winds are calm in the central, where conditions are favorable for spraying. Winds are coming from the south at 5 mph in the south, where conditions are favorable for spraying. The livestock cold stress index is in the no stress category north, no stress category central, and no stress category south. Based on current available observations, the highest temperature is 63 degrees at Lake Charles, Lafayette, and Baton Rouge. The lowest temperature is 55 degrees at Alexandria.


Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this Parish will these
forecasts be issued. Currently, there is no short term forecast in effect.

All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For ST. CHARLES County, LA

436 PM CST Thu Dec 14 2017

 DAY ONE  Tonight

No hazardous weather is anticipated at this time.

 DAYS TWO THROUGH SEVEN  Friday through Wednesday

Thunderstorms will be possible Sunday through Tuesday, especially 
south of Interstate 10. A few storms may be strong on Sunday.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not anticipated.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For ST. CHARLES Parish, LA
326 PM CST Thu Dec 14 2017

TONIGHT
Mostly cloudy. A 20 percent chance of rain showers after midnight. Lows in the upper 40s. Southwest winds to 5 mph shifting to the north after midnight.

FRIDAY
Cloudy. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Highs in the lower 50s. North winds 5 to 15 mph. Chance of showers 40 percent.

FRIDAY NIGHT
Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph.

SATURDAY
Partly cloudy. Highs in the lower 60s. East winds 5 to 10 mph.

SATURDAY NIGHT
Warmer. Partly cloudy with slight chance of rain showers in the evening, then mostly cloudy with slight chance of rain showers and thunderstorms after midnight. Lows in the upper 50s. Southeast winds 5 to 15 mph. Chance of precipitation 20 percent.

SUNDAY
Warmer. Showers likely and chance of thunderstorms in the morning, then showers and chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 80 percent.

SUNDAY NIGHT
Cloudy with a 50 percent chance of showers. Lows in the lower 60s.

MONDAY
Cloudy with chance of showers and slight chance of thunderstorms. Highs in the lower 70s. Chance of precipitation 50 percent.

MONDAY NIGHT
Mostly cloudy with a 40 percent chance of rain showers. Lows in the upper 50s.

TUESDAY
Cloudy in the morning then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 50 percent.

TUESDAY NIGHT
Partly cloudy with a 30 percent chance of rain showers. Lows in the lower 50s.

WEDNESDAY
Partly cloudy with a 20 percent chance of rain showers. Highs in the lower 60s.

WEDNESDAY NIGHT
Partly cloudy with a 20 percent chance of rain showers. Lows in the lower 50s.

THURSDAY
Partly cloudy. Highs in the lower 70s.

12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2


ST. CHARLES County, Louisiana Agriculture, Lawn & Garden Weather Advisory

Current Weather Advisory is NOT available

Ag. Weather Forecast Parameter Maps:Spraying Conditions , Dewpoint Temperatures, Livestock Heat Stress

Medium & Long Range Outlook For Louisiana

                            LOUISIANA                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 20-24    DEC 22-28    DEC       DEC-FEB                      
                 -----------  -----------  --------  ---------
   Temperature:      Above       Normal      Above      Above                      
 Precipitation:      Above        Above      Below      Below                      

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Almanac Information

Thursday December 14, 2017 the 348th Day of Year

---------------------------------------------------
SUN
Declination -23.270000
Distance 0.999725 AU
Rise 08:00 EST Set 18:06 EST
Transit Meridian 13:03 EST
Civil Twilight Begins 07:34 EST Ends 18:32 EST

Calculations made for central point in the state.
Time in ET -- and will vary due to location and
elevation -- Priddy


Historical Weather And Climate Facts For Today

DECEMBER 14TH
HISTORIC WEATHER EVENTS
...1901...
Wet and cold: Louisville, KY set both a record low (2 degrees) and a daily 
precipitation record (2.21 inches). (The high temperature that day was 42.)
(NWS Louisville)
...1924...
The temperature at Helena MT plunged 79 degrees in 24 hours, and 88 degrees
in 34 hours. The mercury plummeted from 63 above to 25 below zero. At
Fairfield MT the temperature plunged 84 degrees in just 12 hours, from 63
at Noon to 21 below zero at midnight. (David Ludlum)
...1987...
A powerful storm spread heavy snow from the Southern High Plains to the
Middle Mississippi Valley, and produced severe thunderstorms in the Lower
Mississippi Valley. During the evening a tornado hit West Memphis TN
killing six persons and injuring two hundred others. The tornado left 1500
persons homeless, and left all of the residents of Crittendon County
without electricity. Kansas City MO was blanketed with 10.8 inches of snow,
a 24 hour record for December, and snowfall totals in the Oklahoma
panhandle ranged up to 14 inches. Strong winds, gusting to 63 mph at Austin
TX, ushered arctic cold into the Great Plains, and caused considerable
blowing and drifting of snow. (Storm Data) (The National Weather Summary)
...1988...
Blowing snow was reported in western Kansas, as snow and gusty winds
plagued the Central Rockies and Central High Plains. Colorado Springs CO
reported thirteen inches of snow. Low pressure in Wisconsin brought heavy
snow to the Lake Superior snowbelt area, with 22 inches reported at
Marquette MI. (Storm Data) (The National Weather Summary)
...1989...
High winds and heavy snow prevailed from Montana to Colorado. Snowfall
totals in Wyoming ranged up to 20 inches at Burgess Junction, leaving up to
48 inches on the ground in the northeast sections of the state. Wind gusts
in Colorado reached 87 mph south of the town of Rollinsville. Strong
northwesterly winds continued to produce heavy snow squalls in the Great
Lakes Region. Totals in northeastern Lower Michigan ranged up to 29 inches
at Hubbard Lake, with 28 inches reported at Posen. Two day totals in
northeastern Wisconsin ranged up to thirty inches. (Storm Data) (The
National Weather Summary)

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky