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St. Landry Parish, LA Weather and Climate Synopsis

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A joint service of the UK Ag Weather Center and the National Weather Service.


National Weather Service Shreveport LA
605 AM CDT Fri Jul 20 2018

.AVIATION...
VFR conditions to prevail throughout the 12Z TAF pd. Swly winds 
around 10 kts with perhaps a few gusts expected after sunrise, 
decreasing to less than 10 kts after sunset. /12/

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

Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook in case of corrupt tables.

Regional Hourly Observations For ST. LANDRY County

SWR not available
Current Temperatures, Dewpoint, RH, Wind, Surface 4-Panel
Current Agricultural Weather Conditions in Louisiana
Based on observations at 700am CDT, Friday July 20, 2018

Across Louisiana...temperatures are near 79 degrees north, near 78 degrees central, and near 80 degrees south. Current sky conditions are fair north, cloudy central, and mostly cloudy south. In the north, relative humidity is near 87%, and the dew point is near 75 degrees. In the central part of the state, relative humidity is near 92%, and the dew point is near 75 degrees. In the south, relative humidity is near 96%, and the dew point is near 79 degrees. The livestock heat stress category is no stress north, no stress central, and danger south. Winds are coming from the southwest at 6 mph in the north, where conditions are favorable for spraying. Winds are coming from the northwest at 9 mph in the central, where conditions are favorable for spraying. Winds are coming from the west at 3 mph in the south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 83 degrees at New Orleans Lakefront. The lowest temperature is 76 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. LANDRY County, LA

551 AM CDT Fri Jul 20 2018

   HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS
EVENING  

This Hazardous Weather Outlook is for portions of central
Louisiana, south central Louisiana, southwest Louisiana, west
central Louisiana, and southeast Texas.

 DAY ONE  Today and Tonight

Temperatures are expected to warm into the mid to upper 90s this
afternoon. Combined with dew points in the lower to mid 70s, this
will yield heat index values ranging from 105 to 110 degrees. 

 DAYS TWO THROUGH SEVEN  Saturday through Thursday

The heat wave continues Saturday through Monday, with afternoon 
highs in the mid 90s along the Interstate 10 corridor, and near 
100 to lower 100s across inland Southeast Texas and Central 
Louisiana. Heat indices will range from 105 to 112 in the 
afternoon and continue into the early evening. Additional heat
advisories are possible through this period.

Some relief is possible by Tuesday as an upper low brings 
increased moisture from the east, with the chance of afternoon 
showers and thunderstorms by Tuesday and Wednesday afternoons.
At this time, no severe thunderstorms are expected.

 SPOTTER INFORMATION STATEMENT  

Spotter activation will not be needed.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For ST. LANDRY Parish, LA
408 AM CDT Fri Jul 20 2018


HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING

TODAY
Sunny. Highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index readings 105 to 109.

TONIGHT
Clear in the evening then becoming partly cloudy. Lows in the mid 70s. Southwest winds 5 to 10 mph. Highest heat index readings around 105 in the evening.

SATURDAY
Sunny. Highs in the upper 90s. Southwest winds 5 to 15 mph. Heat index readings 106 to 111.

SATURDAY NIGHT
Partly cloudy. Lows in the upper 70s. Southwest winds 5 to 10 mph. Highest heat index readings 105 to 106 in the evening.

SUNDAY
Sunny. Highs in the upper 90s. West winds 10 to 15 mph. Highest heat index readings 106 to 111 in the afternoon.

SUNDAY NIGHT
Mostly clear. Lows in the upper 70s. Highest heat index readings 105 to 107 in the evening.

MONDAY
Mostly sunny. Highs in the upper 90s. Heat index readings 106 to 111.

MONDAY NIGHT
Partly cloudy. Lows in the mid 70s. Highest heat index readings around 105 in the evening.

TUESDAY
Sunny with a 20 percent chance of showers and thunderstorms. Highs in the mid 90s.

TUESDAY NIGHT
Mostly clear. Lows in the lower 70s.

WEDNESDAY
Mostly sunny with a 40 percent chance of showers and thunderstorms. Highs in the mid 90s.

WEDNESDAY NIGHT
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 70s.

THURSDAY
Mostly sunny with a 30 percent chance of showers and thunderstorms. Highs in the lower 90s.

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. LANDRY 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 
                   JUL 25-29 JUL 27-AUG 2    JUL       JUL-SEP                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        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

Friday July 20, 2018 the 201th Day of Year

---------------------------------------------------
SUN
Declination 20.470000
Distance 0.999716 AU
Rise 07:17 EDT Set 21:12 EDT
Transit Meridian 14:14 EDT
Civil Twilight Begins 06:50 EDT Ends 21:38 EDT

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

////////////////////////
JULY 20TH...HISTORIC WEATHER EVENTS
...1930...
The temperature at Washington D.C. soared to an all-time record of 106
degrees. The next day Millsboro reached 110 degrees to set a record for the
state of Delaware. July 1930 was one of the hottest and driest summers in
the U.S., particularly in the Missouri Valley where severe drought
conditions developed. Toward the end of the month state records were set
for Kentucky with 114 degrees, and Mississippi with 115 degrees. (David
Ludlum)
...1934...
The temperature at Keokuk IA soared to 118 degrees to establish a state
record. (The Weather Channel)
...1953...
Twenty-two inches of hail reportedly fell northeast of Dickinson ND. (The
Weather Channel)
...1986...
The temperature at Charleston SC hit 104 degrees for the second day in a
row to tie their all-time record high. (The Weather Channel)
...1987...
Thunderstorms produced severe weather across Minnesota, Wisconsin and
Michigan. Thunderstorms produced wind gusts to 87 mph at Mosinee WI, and
strong thunderstorm winds capsized twenty-six boats on Grand Traverse Bay
drowning two women. Thunderstorms produced nine inches of rain at Shakopee
MN, with 7.83 inches reported in six hours at Chaska MN. Thunderstorms in
north central Nebraska produced hail as large as golf balls in southwestern
Cherry County, which accumulated to a depth of 12 inches. (The National
Weather Summary) (Storm Data)
...1988...
The temperature at Redding CA soared to an all-time record high of 118
degrees. Showers and thunderstorms produced much needed rains from New
England to southern Texas. Salem IN was deluged with 7.2 inches of rain
resulting in flash flooding. (The National Weather Summary)
...1989...
Showers and thunderstorms in the Middle Atlantic Coast Region soaked
Wilmington DE with 2.28 inches of rain, pushing their total for the period
May through July past the previous record of 22.43 inches. Heavy rain over
that three month period virtually wiped out a 16.82 inch deficit which had
been building since drought conditions began in 1985. Thunderstorms in
central Indiana deluged Lebanon with 6.50 inches of rain in twelve hours,
and thunderstorms over Florida produced wind gusts to 84 mph at Flagler
Beach. (The National Weather Summary) (Storm Data)

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