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Grant Parish, LA Weather and Climate Synopsis

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National Weather Service Shreveport LA
1147 AM CST Mon Dec 18 2017

Foggy conditions have slowly improved at the terminals late this
morning, with metar reports of VFR-IFR VIS, though IFR-LIFR CIGS
continued to plague the terminals. VIS is anticipated to continue
to improve throughout the afternoon though patchy fog may linger,
whereas the CIGS will remain low. Shortly after sunset, VIS will
deteriorate back to IFR to possibly LIFR criteria whilst chances
for -SHRA commences to near klfk /perhaps as early as late this
aftn/. -SHRA will spread northward to the remaining terminals this
evening into tonight, with increasing instability leading to the
potential for VCTS. Have tried to insert the correct time-frame at
each terminal for the onset of precipitation. Otherwise, light
east-southeast winds will veer a bit to the south-southeast 
throughout the TAF cycle. 

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

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Regional Hourly Observations For GRANT County

SWR not available
Current Temperatures, Dewpoint, RH, Wind, Surface 4-Panel
Current Agricultural Weather Conditions in Louisiana
Based on observations at 1200pm CST, Monday December 18, 2017

Across Louisiana...temperatures are near 52 degrees north, near 60 degrees central, and near 68 degrees south. Current sky conditions are cloudy north, cloudy central, and cloudy south. In the north, relative humidity is near 100%, and the dew point is near 52 degrees. In the central part of the state, relative humidity is near 92%, and the dew point is near 58 degrees. In the south, relative humidity is near 96%, and the dew point is near 67 degrees. There is patchy fog north. Winds are calm 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 north at 7 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 70 degrees at Lake Charles and Houma. The lowest temperature is 52 degrees at Shreveport, Manroe, and DTN Shreveport.

NOWCAST For GRANT Parish: 0-6 Hour Forecast
Issued at 1003 AM CST Mon Dec 18 2017

Patchy to areas of fog persisted across the Four-State Region this
morning. Although visibilities have improved a bit from earlier
this morning, restrictions of less than 5 miles remain for most 
areas. Motorists are urged use low beam headlights, take it slow 
and watch for changing visibility. 

All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map

Hazardous Weather Outlook For GRANT County, LA

1046 AM CST Mon Dec 18 2017

 DAY ONE  Today and Tonight  

Areas of fog restricting visibility to less than six miles may
persist through the afternoon across portions of the Four-State
Region. Motorists are urged to watch out for changing visibility.  
Scattered showers will commence to impinge across portions of east
Texas, deep east Texas and central Louisiana late this afternoon 
or early this evening, and spread northward throughout tonight. 

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday  

Rainfall will become widespread and possibly heavy at times on
Tuesday with isolated embedded thunderstorms. One to near three
inches of rainfall is possible Tuesday and Tuesday night. Due to 
the prolonged drought, flooding is not expected to be an issue. 
This rainfall should diminish during the day Wednesday, with 
additional rain and a few thunderstorms possible with a cold front
later in the week. However, no hazardous weather is expected at 
this time.


Activation of emergency management personnel  amateur radio
operators  and storm spotters will not be needed through tonight.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For GRANT Parish, LA
1022 AM CST Mon Dec 18 2017

Patchy fog in the late morning. Slight chance of showers and isolated thunderstorms in the afternoon. Cloudy. Highs in the lower 60s. Northeast winds 5 mph. Chance of precipitation 30 percent.

Cloudy with slight chance of showers and isolated thunderstorms. Lows in the mid 50s. East winds 5 mph. Chance of precipitation 20 percent.

Showers likely and slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Locally heavy rainfall possible in the afternoon. Cloudy, warmer. Highs in the lower 70s. South winds 15 mph. Chance of precipitation 60 percent.

Showers likely and slight chance of thunderstorms. Cloudy. Lows around 60. South winds 10 to 15 mph. Chance of precipitation 70 percent.

Becoming partly cloudy. Highs in the lower 70s. Northwest winds 15 mph.

Partly cloudy. Lows around 50.

Partly cloudy. A 20 percent chance of showers in the afternoon. Highs in the lower 70s.

Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the upper 50s.

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

Mostly cloudy. Showers likely. Lows in the mid 40s. Chance of showers 60 percent.

Mostly cloudy with a 30 percent chance of showers. Highs in the upper 50s.

Mostly cloudy with a 30 percent chance of showers. Lows around 40.

Mostly cloudy with a 30 percent chance of light rain. Highs around 60.

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

GRANT 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

                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 23-27 DEC 25-DEC 31    DEC       DEC-FEB                      
                 -----------  -----------  --------  ---------
   Temperature:     Normal        Below      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

Monday December 18, 2017 the 352th Day of Year

Declination -23.410000
Distance 0.999725 AU
Rise 08:03 EST Set 18:07 EST
Transit Meridian 13:05 EST
Civil Twilight Begins 07:37 EST Ends 18:33 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

A tornado swept across Jackson County, Williamson County and Franklin
County in southern Illinois killing eleven persons. (David Ludlum)
A heavy lake-effect snow blanketed the southern and southeast shores of
Lake Michigan leaving up to 22 inches of snow at Valparaiso IND. (David
Record cold hit the north central states. At Havre MT the mercury plunged
to a record reading of 34 degrees below zero. (Sandra and TI Richard
Sanders - 1987)
A storm over southern California left up to 16 inches of snow in the
mountains and upper deserts, with 13 inches reported at Lancaster. Edwards
Air Force Base was closed, and Interstate 5 was closed from Castaic to the
Tehachapis Mountains. (18th-19th) (The Weather Channel)
A strong winter storm, which developed off the coast of New Jersey and
moved out to sea, lashed the northeastern U.S. with high winds, heavy rain,
and heavy snow. The storm left snowfall amounts of up to 30 inches in
Vermont, 24 inches in Massachusetts, and 20 inches in New Hampshire. The
highest rainfall amounts approached four inches in southern New England,
where winds gusted to 70 mph. (Storm Data)
A weakening storm moved into the Rocky Mountain Region producing six inches
of snow at the Platoro Reservoir in the San Juan Mountains of Colorado. The
storm then spread rain and drizzle across the Southern High Plains into the
Middle Mississippi Valley, with thunderstorms over Texas. (Storm Data) (The
National Weather Summary)
Warm weather prevailed in the central U.S. while cool weather prevailed
across the eastern states. Sheridan WY, with a record warm afternoon high
of 68 degrees, was seven degrees warmer than Key West FL. (The National
Weather Summary)
A winter storm moving out of the Great Plains Region spread freezing rain,
sleet and snow across parts of the southeastern U.S. Freezing rain resulted
in 170 auto accidents in the Memphis area during the evening hours.
Unseasonably warm weather continued ahead of arctic cold front. Miami FL
equalled their record for December with an afternoon high of 87 degrees.
(Storm Data) (The National Weather Summary)

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