A joint service of the UK Ag Weather Center and the National Weather Service.
National Weather Service Shreveport LA 652 PM CDT Sun Jul 22 2018 .AVIATION... VFR conditions will continue through the 23/00Z TAF period. Extensive areas of AC cigs will continue to spill S across the remainder of E TX/Lower Toledo Bend Country this evening, and persist overnight through much of Monday morning. Within these AC cigs, areas of -RA/sprinkles will be possible tonight through Monday morning, but given the very dry low level air mass in place, not expecting cigs to lower much nor vsbys to be reduced. Should start to see the AC scatter out over SW AR late Monday morning/midday, and across portions of N LA by early to mid afternoon, although a sct cu field will develop/advect SSW across much of SW AR/Ncntrl LA during the afternoon behind a weak sfc front that will slowly backdoor SW into Lower E TX/Cntrl LA during the afternoon. Lt/Vrb winds tonight over SW AR/extreme Nrn LA/NE TX, and light SW winds over Deep E TX/Ncntrl LA, will become NNE 5-8kts over much of the region after 15Z Monday, although Deep E TX will remain WSW through much of the day ahead of the weak sfc front. /15/National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]
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Regional Hourly Observations For LOWER ST. MARTIN County
SWR not available
Current Temperatures, Dewpoint, RH, Wind, Surface 4-Panel
Current Agricultural Weather Conditions in Louisiana
Based on observations at 600pm CDT, Sunday July 22, 2018
Across Louisiana...temperatures are near 94 degrees south. Current sky condition is fair south. In the south, relative humidity is near 57%, and the dew point is near 77 degrees. The heat index is near 108 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 west at 16 mph in the south, where conditions are not favorable for spraying due to strong winds. Based on current available observations, the highest temperature is 94 degrees at Slidell, N.O. INTL ARPT, and Baton Rouge. The lowest temperature is 93 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 ST. MARTIN County, LA
331 PM CDT Sun Jul 22 2018 HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING AND NOON TO 8 PM CDT MONDAYThis Hazardous Weather Outlook is for portions of central Louisiana, south central Louisiana, southwest Louisiana, west central Louisiana, and southeast Texas. DAY ONE This Afternoon and Tonight Temperatures will remain in the 90s through early evening. Combined with dew points well into the 70s, heat index values will range from 103 to 108 into this evening, and a Heat Advisory is in effect. Tonight, warm temperatures will continue with lows in the upper 70s to near along and north of Interstate 10, with lower 80s along the coastal parishes and counties. DAYS TWO THROUGH SEVEN Monday through Saturday The heat wave continues on Monday, with afternoon temperatures in the mid 90s along the Interstate 10 corridor and Central Louisiana, and upper 90s to lower 100s across inland Southeast Texas. Heat indices will range from 105 to 112 in the afternoon and continue into the early evening. A Heat Advisory is in effect for Monday afternoon. SPOTTER INFORMATION STATEMENT Spotter activation will not be needed.
7-Day Forecast For LOWER ST. MARTIN Parish, LA
300 PM CDT Sun Jul 22 2018
TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
LOWER ST. MARTIN 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 28-AUG 1 JUL 30-AUG 5 JUL JUL-SEP ----------- ----------- -------- --------- Temperature: Above Normal Above Above Precipitation: Above Above Below Below .... Medium and long range outlooks provided by NCEP/K. Thomas Priddy5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Sunday July 22, 2018 the 203th Day of Year --------------------------------------------------- SUN Declination 20.070000 Distance 0.999716 AU Rise 07:18 EDT Set 21:11 EDT Transit Meridian 14:14 EDT Civil Twilight Begins 06:52 EDT Ends 21:37 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 22ND...HISTORIC WEATHER EVENTS ...1901... Richmond, Kentucky's hottest temperature on record: 108 degrees. (NWS Louisville) ...1918... A single bolt of lightning struck 504 sheep dead in their tracks at the Wasatch National Forest in Utah. Sheep often herd together in storms, and as a result the shock from the lightning bolt was passed from one animal to another. (David Ludlum) ...1986... Hurricane Estelle passed 120 miles south of the Hawaiian Islands creating a ten to twenty foot surf. The large swells resulted from a combination of high tides, a full moon, and 50 mph winds. The hurricane also deluged Oahu Island with as much as 6.86 inches of rain on the 24th and 25th of the month. (Storm Data) ...1987... Barrow AK receives 1.38 inches in 24 hours on the 21st and 22nd, an all-time record for that location. The average annual precipitation for Barrow is just 4.75 inches. Thunderstorms in Montana produced 4 to 6 inches of rain in Glacier County causing extensive flooding along Divide Creek. Missoula MT received 1.71 inches of rain in 24 hours, a record for the month of July. (The National Weather Summary) (The Weather Channel) ...1988... Six cities in the south central U.S. reported record low temperatures for the date, including Pueblo CO with a reading of 48 degrees. Thunderstorms over the Atlantic Coast Region drenched Wilmington NC with 6.49 inches of rain in about eight hours. (The National Weather Summary) ...1989... Showers and thunderstorms prevailed across the southeastern third of the country. Afternoon thunderstorms in Florida produced wind gusts to 86 mph at Zephyrhills, and gusts to 92 mph at Carrollwood and Lutz. Thunderstorm winds gusting to 69 mph at Crystal Lake damaged nineteen mobile homes. (Storm Data) (The National Weather Summary) ...1995... A Louisville man was slightly injured when lightning struck a utility pole and traveled through the phone lines into his living room. Lightning also damaged a house in Bardstown (Nelson County). (NWS Louisville) ======================================================================== Lexington Area (ThreadEx Station) Daily Almanac Date: Jul 22, 2011 Daily Values Observed Normal Record/Year Prev Year Max Temperature - 86 102 in 1901 89 Min Temperature - 67 50 in 1947 71 Avg Temperature - 77 88.5 in 1983 80.0 Precipitation - 0.15 2.35 in 1892 0.01 New Snowfall - 0.0 0.0 in 2010+ 0.0 Snow Depth - - 0 in 2010+ 0 HDD (base 65) - 0 4 in 1947 0 CDD (base 65) - 12 24 in 1983 15 Month-To-Date Observed Normal Record/Year Prev Year Avg Max Temperature 88.0 85.9 95.6 in 1936 87.6 Avg Min Temperature 68.3 66.1 59.8 in 1947 67.5 Avg Temperature 78.2 75.9 82.1 in 1936 77.5 Total Precipitation 3.88 3.49 9.56 in 1896 5.45 Total Snowfall 0.0 0.0 0.0 in 2011 0.0 Avg Snow Depth 0 - 0 in 2010 0 Total HDD 0 1 10 in 1972 0 Total CDD 283 244 383 in 1936 282 + indicates record also occurred in previous years (last occurrence listed). This station's record may include data from more than one, possibly incompatible, locations. It reflects the longest available record for the Lexington Area. Normals used in this product are from LEXINGTON BLUEGRASS AP
Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky