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Lower Lafourche Parish, LA Weather and Climate Synopsis

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National Weather Service Shreveport LA
1144 AM CDT Thu Jul 19 2018

.AVIATION...

Only some mid lever moisture was noted on IR Satellite Imagery
this morning but that cloud cover continues to quickly dissipate
as we go through the remainder of the morning. Cannot rule out
some patchy cumulus, mainly at the ELD/MLU terminals as we move
into the afternoon hours but nothing that would warrant a ceiling
is expected. 

Otherwise, ridging aloft has a firm control across our airspace
and that will result in VFR conditions prevailing through the next
24 hours. 

Look for S to SW winds near at or below 10kts through the
remainder of the daytime hours before decoupling takes place this
evening. 

Some mid level cloud cover and with high thin cirrus should return
from the north beyond sunrise Friday Morning.

13

National Ag. Weather Outlook, International Ag. Weather Summary
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Hourly Observations For LOWER LAFOURCHE Parish
1200 PM CDT THU JUL 19 2018

SOUTHEAST LOUISIANA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
N.O. INTL ARPT PTSUNNY   89  80  74 NW10      29.96F HX 106           
N.O. LAKEFRONT FAIR      87  79  76 W13       29.96F HX 101           
N.O. DOWNTOWN* FAIR      88  75  65 NW8       29.97F HX  97           
RESERVE*         N/A     89  78  70 NW10      29.96F HX 103           
SLIDELL        PTSUNNY   88  76  67 W7        29.95S HX  99           
BATON ROUGE    FAIR      88  77  69 W9        29.96F HX 100           
BOOTHVILLE     FAIR      85  78  80 W6        29.98F HX  96           
BELLE CHASSE   CLOUDY    87  80  79 W7        29.96F HX 103           
BOGALUSA*      FAIR      91  76  61 NW7       29.95F HX 103           
GALLIANO*      CLOUDY    87  76  69 SW6       29.97F HX  97           
NEW ROADS*     FAIR      85  76  74 SW6       29.97F HX  95           
GONZALES*      CLOUDY    89  78  70 W6        29.96F HX 102           
HAMMOND*       FAIR      86  77  74 W9        29.96F HX  97           
HOUMA*         PTSUNNY   88  77  70 W8        29.97F HX 100           
PORT FOURCHON* SUNNY     84  75  74 SW10      29.99S                  

Current Temperatures, Dewpoint, RH, Wind, Surface 4-Panel


Current Agricultural Weather Conditions in Louisiana
Based on observations at 1200pm CDT, Thursday July 19, 2018

Across Louisiana...temperatures are near 89 degrees south. Current sky condition is partly sunny south. In the south, relative humidity is near 74%, and the dew point is near 80 degrees. The heat index is near 106 degrees south. The livestock heat stress category is unavailable north, unavailable central, and emergency south. Winds are unavailable north. Winds are unavailable central. Winds are coming from the northwest at 10 mph in the south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 89 degrees at N.O. INTL ARPT. The lowest temperature is 87 degrees at New Orleans Lakefront.


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 LOWER LAFOURCHE County, LA

508 AM CDT Thu Jul 19 2018

 DAY ONE  Today and Tonight

Scattered thunderstorms are expected from late this morning
through the evening hours. Some of these thunderstorms could turn
strong and produce strong wind gusts in excess of 30 mph, frequent
lightning strikes, and locally heavy rainfall. The heavy rainfall
could lead to localized street flooding issues in low lying and
poor drainage areas.

 DAYS TWO THROUGH SEVEN  Friday through Wednesday

Isolated to scattered showers and thunderstorms are expected each
day through the period A few storms could become strong and 
produce frequent lightning, gusty winds, and locally heavy 
rainfall.

Heat index readings may approach 110 degrees starting Friday 
and lasting into early next week. People sensitive to heat 
related illnesses should be prepared to take precautions during 
the heat of the day during this period.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not anticipated.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For LOWER LAFOURCHE Parish, LA
427 AM CDT Thu Jul 19 2018

TODAY
Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs around 90. West winds 5 to 15 mph. Heat index readings 108 to 109.

TONIGHT
Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the upper 70s. West winds 5 to 10 mph.

FRIDAY
Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the lower 90s. West winds 5 to 15 mph. Heat index readings around 110.

FRIDAY NIGHT
Mostly clear. Lows in the upper 70s. West winds 5 to 10 mph.

SATURDAY
Partly cloudy. Highs in the lower 90s. West winds 5 to 15 mph. Heat index readings around 110.

SATURDAY NIGHT
Partly cloudy. Lows around 80.

SUNDAY
Partly cloudy. Highs in the lower 90s.

SUNDAY NIGHT
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows around 80.

MONDAY
Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the lower 90s.

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

TUESDAY
Partly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the lower 90s.

TUESDAY NIGHT
Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the upper 70s.

WEDNESDAY
Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs around 90.

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


LOWER LAFOURCHE 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 24-28 JUL 26-AUG 1    JUL       JUL-SEP                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above      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 July 19, 2018 the 200th Day of Year

---------------------------------------------------
SUN
Declination 20.660000
Distance 0.999716 AU
Rise 07:16 EDT Set 21:12 EDT
Transit Meridian 14:14 EDT
Civil Twilight Begins 06:50 EDT Ends 21:39 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 19TH...HISTORIC WEATHER EVENTS
...1886...
A hurricane from the Gulf of Mexico crossed Florida causing great damage
from Cedar Keys to Jacksonville. (David Ludlum)
...1901...
Beginning this date, Bowling Green, KY's temperature would rise to or 
above 100 degrees for ten consecutive days, a record.
...1960...
Cow Creek and Greenland Ranch in Death Valley CA reported morning lows of
102 degrees. The afternoon high at Greenland Ranch was 124 degrees, and the
high at Cow Creek that afternoon was 126 degrees. The coolest low for the
entire month for both locations was 82 degrees. (The Weather Channel)
...1974...
A severe thunderstorm with winds to 80 mph and up to two inches of rain
washed out four to five foot deep sections of roadway in Lake Havasu City
AZ. Three persons in a station wagon died as it was carried 3000 feet down
a wash by a ten foot wall of water. (The Weather Channel)
...1977...
Thunderstorms produced torrential rains over parts of southwestern
Pennsylvania. Some places receive more than twelve inches in a seven hour
period. The heavy rains cause flash flooding along streams resulting in
widespread severe damage. The cloudburst floods Johnstown with up to ten
feet of water resulting in 76 deaths, countless injuries, and 424 million
dollars damage. (David Ludlum) (The Weather Channel)
...1987...
Fifteen cities in the western and the southeastern U.S. reported record low
temperatures for the date, including Winnemucca NV with a reading of 33
degrees. Flagstaff AZ reported a record low of 34 degrees. Afternoon and
evening thunderstorms produced severe weather in New York State and New
Jersey. High winds and hail two inches in diameter injured two persons and
caused considerable damage to crops in the Pine Island area of central New
York State. (The National Weather Summary) (Storm Data)
...1988...
Thunderstorms in Nebraska produced more than five inches of rain at Red
Cloud, including two inches in fifteen minutes. Torrid temperatures
continued over California, with record highs of 115 degrees at Red Bluff
and 116 degrees at Redding. (The National Weather Summary) (Storm Data)
...1989...
Early morning thunderstorms in the Lower Mississippi Valley produced 5.50
inches of rain south of Alexander AR in just ninety minutes, and flash
flooding which resulted claimed the life of one woman. Thunderstorms in
Indiana produced 4.95 inches of rain in twelve hours east of Muncie. Eight
cities in the southwestern U.S. reported record high temperatures for the
date, including Las Vegas NV with a reading of 115 degrees, and Phoenix AZ
with a high of 116 degrees. The low that night at Phoenix of 93 degrees was
the warmest of record for that location. (The National Weather Summary)
(Storm Data)

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