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Leflore County, MS Weather and Climate Synopsis

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

545 AM CDT Fri Jul 20 2018

...DANGEROUS HEAT STRESS CONTINUES, WITH SEVERE STORMS POSSIBLE 
TONIGHT...

.UPDATE...
Updated for 12Z aviation discussion

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 LEFLORE County
700 AM CDT FRI JUL 20 2018
GREENWOOD      FAIR      76  73  91 S5        29.91R                  
6HR MIN TEMP:  75; 6HR MAX TEMP:  81;                                

GREENVILLE     CLEAR    N/A N/A N/A CALM      29.90R                  
OLIVE BRANCH   MOSUNNY   72  72 100 S5        29.91                   
OXFORD         FAIR      73  72  94 VRB5      29.93S                  
TUNICA           N/A     72  70  94 S3        29.91R                  
WINONA         FAIR      74  74 100 CALM      29.92R                  

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


Current Agricultural Weather Conditions in Mississippi
Based on observations at 700am CDT, Friday July 20, 2018

Across Mississippi...temperatures are near 77 degrees north, near 75 degrees central, and near 76 degrees south. Current sky conditions are cloudy north, fair central, and fair south. In the north, relative humidity is near 90%, and the dew point is near 74 degrees. In the central part of the state, relative humidity is near 96%, and the dew point is near 74 degrees. In the south, relative humidity is near 95%, and the dew point is near 74 degrees. The livestock heat stress category is no stress north, no stress central, and no stress south. Winds are from the southeast at 6 mph north, where conditions are favorable for spraying. Winds are calm central, where conditions are favorable for spraying. Winds are calm south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 81 degrees at Vicksburg. The lowest temperature is 75 degrees at Pinebelt, Jackson International Airport, Hattiesburg, and Columbus AFB.


Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

US Radar, All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For LEFLORE County,MS

412 AM CDT Fri Jul 20 2018

 DAY ONE  Today and Tonight  

EXCESSIVE HEAT
THREAT  Significant
TIMING  Mainly Today

SEVERE THUNDERSTORMS
THREAT  Slight
TIMING  Tonight

High temperatures from the upper 90s to around 100 will combine 
with high humidity levels to produce heat indices around 110 
this afternoon. Precautions should be taken to avoid strenuous 
outdoor activities. Check on those vulnerable to heat stress. Stay
hydrated and wear light, loose fitted clothing.

(https://www.weather.gov/images/jan/graphicast/2.png)

Severe thunderstorms will be possible tonight. Damaging wind 
gusts up to 60 mph and hail to the size of quarters will be the 
primary severe weather threats. Nearly continuous lightning
strikes and torrential downpours can be expected as well.

(https://www.weather.gov/images/jan/graphicast/1.png)

 DAYS TWO THROUGH SEVEN  Saturday through Thursday  

High temperatures from the mid to upper 90s will combine with 
high humidity levels to produce heat indices 105 to 110 each
afternoon through Monday. Precautions should be taken to avoid 
strenuous outdoor activities. Check on those vulnerable to heat 
stress. Stay hydrated and wear light, loose fitted clothing.

(https://www.weather.gov/images/jan/graphicast/3.png)

 SPOTTER CALL TO ACTION STATEMENT  
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations may be needed for portions of the region tonight.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For LEFLORE County, MS
542 AM CDT Fri Jul 20 2018


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

EARLY IN THE MORNING
Partly cloudy. South winds around 5 mph.

TODAY
Sunny. Highs in the upper 90s. Southwest winds 5 to 10 mph. Highest heat index readings around 110 in the afternoon.

TONIGHT
Partly cloudy with a 30 percent chance of showers and thunderstorms. Some thunderstorms may be severe after midnight. Lows in the mid 70s. South winds 10 to 15 mph.

SATURDAY
Partly cloudy with a 20 percent chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the mid 90s. Southwest winds 10 to 15 mph. Heat index readings 101 to 106.

SATURDAY NIGHT
A 20 percent chance of showers and thunderstorms in the evening. Mostly clear. Lows in the lower 70s. Northwest winds around 5 mph.

SUNDAY
Sunny. Highs in the lower 90s. Northwest winds 5 to 10 mph.

SUNDAY NIGHT
Mostly clear. Lows around 70.

MONDAY
Sunny. Highs around 90.

MONDAY NIGHT
Mostly clear. Lows around 70.

TUESDAY
A 20 percent chance of showers and thunderstorms. Mostly sunny in the morning then becoming partly cloudy. Highs around 90.

TUESDAY NIGHT
Partly cloudy. Lows in the lower 70s.

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

WEDNESDAY NIGHT
Partly cloudy. Lows in the lower 70s.

THURSDAY
Partly cloudy with a 40 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


Medium & Long Range Outlook For Mississippi
                          MISSISSIPPI                                                                     
                 ---------------------------------------------
                 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 07:08 EDT Set 21:06 EDT
Transit Meridian 14:07 EDT
Civil Twilight Begins 06:42 EDT Ends 21:32 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