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St. Tammany Parish, LA Weather and Climate Synopsis

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36 Hr. Forecast Map
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Weather Summary Hourly Observations Nowcast Agricultural Weather Outlook
7 Day Forecast Medium & Long Range Outlook Almanac Historical Facts

US Weekly Rainfall Departure

US Weekly Temperature Departure
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A joint service of the UK Ag Weather Center and the National Weather Service.

National Weather Service Shreveport LA
1214 AM CDT Tue Mar 20 2018

For the 20/06Z TAF period, a mix of VFR/MVFR conditions starting 
out this period as lower stratocu clouds continue work south of 
the Red River early this morning. Therefore, have included MVFR 
cigs at TXK/SHV/ELD/MLU through mid morning Tuesday with gradual 
improvement by late morning. Gusty northwest winds this evening to
continue overnight, although slightly down from earlier speeds and
gusts. Winds will continue to veer more NW this morning in wake of
a cold front. Higher speeds will prevail and increase once again 
during the day on Tuesday from 15-20 kts with gusts approaching 
25-30 kts, then dropping off significantly by 21/00Z to less than
10 kts.


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.

Hourly Observations For ST. TAMMANY Parish
1200 AM CDT TUE MAR 20 2018

N.O. INTL ARPT FAIR      71  69  93 SW12      29.69R                  
N.O. LAKEFRONT FAIR      71  67  87 SW17      29.68S FOG              
N.O. DOWNTOWN* CLOUDY    72  68  87 SW8       29.70R                  
RESERVE*       NOT AVBL                                               
SLIDELL        FAIR      70  66  87 VRB5      29.67R                  
BATON ROUGE    FAIR      68  46  45 W8        29.71R                  
BOOTHVILLE     FAIR      73  72  96 W12       29.70F FOG              
BELLE CHASSE   MOCLDY    70  70 100 SW7       29.69R FOG              
BOGALUSA*      FAIR      73  65  76 W7        29.66S                  
GALLIANO*      FAIR      72  67  85 W10       29.71R HAZE             
NEW ROADS*     FAIR      65  43  44 W6        29.71R                  
GONZALES*      FAIR      71  67  87 W5        29.70R                  
HAMMOND*       FAIR      70  64  83 W7        29.69R                  
HOUMA*         CLOUDY    70  69  95 W9        29.72R FOG              
PORT FOURCHON* CLEAR     72  70  94 SW12G18   29.71S FOG              

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

Current Agricultural Weather Conditions in Louisiana
Based on observations at 1200am CDT, Tuesday March 20, 2018

Across Louisiana...temperatures are near 55 degrees north, near 64 degrees central, and near 71 degrees south. Current sky conditions are partly cloudy north, fair central, and fair south. In the north, relative humidity is near 59%, and the dew point is near 41 degrees. In the central part of the state, relative humidity is near 47%, and the dew point is near 44 degrees. In the south, relative humidity is near 93%, and the dew point is near 69 degrees. Winds are coming from the northwest at 21 mph with gusts at 30 mph in the north, where conditions are not favorable for spraying due to strong winds. Winds are coming from the northwest at 16 mph with gusts at 22 mph in the central, where conditions are not favorable for spraying due to strong winds. Winds are coming from the southwest at 12 mph in the south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 71 degrees at New Orleans Lakefront and N.O. INTL ARPT. The lowest temperature is 55 degrees at Shreveport 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 ST. TAMMANY County, LA

452 PM CDT Mon Mar 19 2018

 DAY ONE  Tonight

A Small Craft Advisory is in effect late tonight  after 4 am CST   
for the open Gulf coastal waters and sounds. Strong offshore flow 
and hazardous seas are forecast.

Flood warnings continue along the Mississippi and Pearl Rivers. 
Refer to the latest river flood statements for details.

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday

A Small Craft Advisory will remain in effect Tuesday, Tuesday night 
and Wednesday morning for strong offshore flow and hazardous seas.

Flood warnings will continue along the Mississippi and Pearl 
Rivers. Refer to the latest river flood statements for details.


Spotter activation is not requested.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For ST. TAMMANY Parish, LA
405 PM CDT Mon Mar 19 2018

Partly cloudy. Lows in the mid 50s. West winds 5 to 10 mph.

Sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph.

Mostly clear. Lows in the mid 40s. Northwest winds 5 to 10 mph.

Sunny. Highs in the upper 60s. Northwest winds 5 to 15 mph.

Mostly clear. Lows in the mid 40s. Northeast winds to 10 mph.

Sunny. Highs in the lower 70s.

Mostly clear. Lows in the upper 40s.

Sunny. Highs in the mid 70s.

Partly cloudy. Lows in the mid 50s.

Partly cloudy. Highs in the upper 70s.

Partly cloudy. Lows in the mid 60s.

Partly cloudy. Highs in the lower 80s.

Partly cloudy. Lows in the mid 60s.

Mostly cloudy with a 30 percent chance of showers and thunderstorms. Highs around 80.

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. TAMMANY 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 
                   MAR 25-29 MAR 27-APR 2    MAR       MAR-MAY                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above     Normal      Above                      
 Precipitation:      Above        Above     Normal      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

Tuesday March 20, 2018 the 79th Day of Year

Declination 0.230000
Distance 0.999721 AU
Rise 07:11 EDT Set 19:20 EDT
Transit Meridian 13:15 EDT
Civil Twilight Begins 06:48 EDT Ends 19:43 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

A tornado (unofficially F2) struck the north side of Lexington, KY destroying 
barns and a roundhouse. (NWS Louisville)
A late winter storm in Oklahoma produced nearly a foot of snow at Oklahoma
City and at Tulsa. (David Ludlum)
The city of Juneau received 31 inches of snow in 24 hours, a record for the
Alaska capitol. (20th-21st) (David Ludlum)
A severe three day winter storm came to an end over the Central Plains. The
storm produced up to twenty inches of snow in Colorado, Nebraska and
Kansas, and left a thick coat of ice from eastern Kansas across
northwestern Missouri into Iowa. (Storm Data)

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