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Iberville Parish, LA Weather and Climate Synopsis

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

.AVIATION...
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 IBERVILLE 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.


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 IBERVILLE County, LA

1053 AM CST Mon Dec 18 2017

 DAY ONE  Today and Tonight

Areas of fog are still impacting some areas this morning. The fog
may become dense at times, especially over and near lakes, 
rivers, bayous, and other bodies of water. Areas of fog are 
expected again tonight and Tuesday morning. The fog may be dense 
at times, especially over and near lakes, rivers, bayous, and 
other bodies of water.

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday

Isolated to scattered thunderstorms will be possible Tuesday 
night. Organized severe thunderstorms are not expected at this 
time. 

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not anticipated at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For IBERVILLE Parish, LA
1159 AM CST Mon Dec 18 2017

THIS AFTERNOON
Cloudy with a 40 percent chance of showers. Highs in the lower 70s. Northeast winds around 5 mph.

TONIGHT
Cloudy. Patchy fog in the evening, then areas of fog after midnight. A 20 percent chance of showers after midnight. Lows in the mid 60s. Southeast winds to 5 mph.

TUESDAY
Mostly cloudy. Areas of fog in the morning. Slight chance of showers in the morning, then chance of showers in the afternoon. Highs in the upper 70s. South winds to 10 mph. Chance of showers 30 percent.

TUESDAY NIGHT
Cloudy. Patchy fog in the evening. Chance of showers in the evening, then showers likely and chance of thunderstorms after midnight. Lows in the mid 60s. South winds around 10 mph. Chance of precipitation 70 percent.

WEDNESDAY
Partly cloudy with chance of showers in the morning, then sunny with slight chance of showers in the afternoon. Highs in the mid 70s. West winds 5 to 10 mph. Chance of showers 30 percent.

WEDNESDAY NIGHT
Cooler. Mostly clear. Lows in the lower 50s.

THURSDAY
Sunny in the morning then becoming partly cloudy. Highs in the lower 70s.

THURSDAY NIGHT
Warmer. Mostly cloudy in the evening, then partly cloudy with a 20 percent chance of showers after midnight. Lows in the lower 60s.

FRIDAY
Partly cloudy. Chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 40 percent.

FRIDAY NIGHT
Cooler. Mostly cloudy with rain showers likely. Lows in the lower 50s. Chance of showers 60 percent.

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

SATURDAY NIGHT
Mostly cloudy with slight chance of rain showers in the evening, then partly cloudy with chance of rain showers after midnight. Lows around 50. Chance of showers 30 percent.

SUNDAY
Partly cloudy with a 40 percent chance of rain showers. Highs in the lower 60s.

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


IBERVILLE 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 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

---------------------------------------------------
SUN
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

DECEMBER 18TH
HISTORIC WEATHER EVENTS
...1957...
A tornado swept across Jackson County, Williamson County and Franklin
County in southern Illinois killing eleven persons. (David Ludlum)
...1981...
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
Ludlum)
...1983...
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)
...1984...
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)
...1986...
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)
...1987...
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)
...1988...
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)
...1989...
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