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Jefferson Davis County, MS Weather and Climate Synopsis

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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.

250 PM CDT Sat Oct 20 2018


Tonight and Sunday...

A cold front has pushed through the area this afternoon and
ushered in cooler air. Temperatures have been in the 60s across
much of the area thanks to abundant cloud cover over the region.
Light showers continue but the coverage and intensity has
definitely waned through the afternoon, with the best convection
and even some lightning present, along the coast. The warmest
conditions have occurred in the Pine Belt this afternoon thanks to
the ability to have a quick warm up before the front and clouds
moved in. 

Through the evening, skies will clear from northwest to southeast
but winds won't decouple much as speeds should remain around
5-10kts through the night. This should limit optimal radiational
cooling conditions but temperatures should still dip into the 40s
areawide. The cooler temperatures will be in the north, along and
north of the Highway 82 corridor. It is in some of these locations
where temperatures might drop into the upper 30s, especially in
outlying areas. With high pressure moving overhead, a nice day is
expected tomorrow with plenty of sun and highs in the lower to mid
60s. /28/

Sunday night through the workweek...

Sunday night/Monday morning will be the coolest period of the season 
thus far as optimal conditions for radiational cooling will exist. 
The light winds and mostly clear skies associated with surface high 
pressure will help heat efficiently escape the lower reaches of the 
atmosphere, helping temperatures to fall into the upper 30s north of 
the I-20 corridor and near 40 degrees elsewhere. A few isolated 
patches of light frost are not out of the question in the northern 
portions of the region but there was not enough confidence in 
widespread frost to make a mention of it in the HWO.

Temperatures will begin to moderate on Monday as the surface high 
shifts east of the region but low temperatures will still fall a few 
degrees below average under mostly clear skies on Monday night. 
Moisture values will begin to increase as we get closer to midweek 
as southerly flow in the upper levels helps to stream moisture along 
the northern Gulf Coast, spurring increasing rain chances for the 
ArkLaMiss on Wednesday and Thursday. Highs will be mainly below 
average through the rest of the work week with lows ranging from 
slightly below to near average for late October.
Drier conditions look to prevail as we get closer to the weekend.

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 JEFFERSON DAVIS County
400 PM CDT SAT OCT 20 2018
MCCOMB         CLOUDY    77  63  61 N8        30.04S                  
NATCHEZ        CLOUDY    66  61  84 N12       30.11R                  
PINE BELT      CLOUDY    79  66  64 N10       30.04                   

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

Current Agricultural Weather Conditions in Mississippi
Based on observations at 400pm CDT, Saturday October 20, 2018

Across Mississippi...temperatures are near 66 degrees north, near 65 degrees central, and near 76 degrees south. Current sky conditions are fair north, cloudy central, and cloudy south. In the north, relative humidity is near 63%, and the dew point is near 53 degrees. In the central part of the state, relative humidity is near 78%, and the dew point is near 58 degrees. In the south, relative humidity is near 90%, and the dew point is near 73 degrees. Winds are from the northwest at 8 mph north, where conditions are favorable for spraying. Winds are from the north at 10 mph 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 Hattiesburg. The lowest temperature is 63 degrees at Vicksburg.

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 JEFFERSON DAVIS County,MS

251 PM CDT Sat Oct 20 2018

 DAY ONE  Tonight and Sunday

The probability for widespread hazardous weather is low.

 DAYS TWO THROUGH SEVEN  Sunday night through Friday

The probability for widespread hazardous weather is low.

The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations is not expected through next Friday.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For JEFFERSON DAVIS County, MS
243 PM CDT Sat Oct 20 2018

Cloudy with a 30 percent chance of light rain. North winds 5 to 10 mph.

Partly cloudy in the evening, then clearing. Lows in the upper 40s. North winds 5 to 10 mph.

Sunny, cooler. Highs in the mid 60s. Northeast winds 5 to 10 mph.

Mostly clear. Lows in the lower 40s. Northeast winds around 5 mph.

Sunny in the morning then becoming partly cloudy. Highs in the lower 70s. East winds around 5 mph.

Mostly cloudy. Warmer. Lows in the lower 50s. Northeast winds around 5 mph.

A 20 percent chance of showers. Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 70s.

Partly cloudy. Lows in the mid 50s.

A 20 percent chance of showers. Partly cloudy in the morning then becoming mostly cloudy. Highs in the mid 70s.

Cloudy with chance of showers. Lows in the upper 50s. The chance of rain 50 percent.

Showers likely. Mostly cloudy. Highs in the mid 70s. The chance of rain 60 percent.

Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s.

Mostly cloudy with a 20 percent chance of showers. Highs in the upper 60s.

A 20 percent chance of showers. Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 50s.

Partly cloudy. Highs in the lower 70s.

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
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   OCT 26-30 OCT 28-NOV 3    OCT       OCT-DEC                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below                                            
 Precipitation:      Below        Above                                            

....  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

Saturday October 20, 2018 the 293th Day of Year

Declination -10.680000
Distance 0.999721 AU
Rise 08:08 EDT Set 19:22 EDT
Transit Meridian 13:45 EDT
Civil Twilight Begins 07:45 EDT Ends 19:46 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

An exceedingly great storm struck eastern New England causing extensive
coastal damage from Massachusetts to Maine, and the highest tide in 47
years. (David Ludlum)
Remnants of Pacific Hurricane Tico caused extensive flooding in central and
south central Oklahoma. Oklahoma City set daily rainfall records with 1.45
inch on the 19th, and 6.28 inches on the 20th. (17th-21st) (The Weather
Cold arctic air invaded the Upper Midwest, and squalls in the Lake Superior
snowbelt produced heavy snow in eastern Ashland County and northern Iron
County of Wisconsin. Totals ranged up to 18 inches at Mellen. In the
western U.S., the record high of 69 degrees at Seattle WA was their
twenty-fifth of the year, their highest number of record highs for any
given year. Bakersfield CA reported a record 146 days in a row with daily
highs 80 degrees or above. (The National Weather Summary) (Storm Data)
Unseasonably warm weather continued in the western U.S. In California,
afternoon highs of 96 degrees at Redding and Red Bluff were records for the
date. (The National Weather Summary)
Forty-nine cities reported record low temperatures for the date as readings
dipped into the 20s and 30s across much of the south central and
southeastern U.S. Lows of 32 degrees at Lake Charles LA and 42 degrees at
Lakeland FL were records for October, and Little Rock AR reported their
earliest freeze of record. Snow blanketed the higher elevations of Georgia
and the Carolinas. Melbourne FL dipped to 47 degrees shortly before
midnight to surpass the record low established that morning. Showers and
thunderstorms brought heavy rain to parts of the northeastern U.S. Autumn
leaves on the ground clogged drains and ditches causing flooding. Up to
4.10 inches of rain soaked southern Vermont in three days. Flood waters
washed 600 feet of railroad track, resulting in a train derailment. (The
National Weather Summary)(Storm Data)

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