US Weekly Rainfall Departure		US Weekly Temperature Departure

144 AM CDT Sun May 18 2025

...New AVIATION...

.DISCUSSION...
Issued at 450 PM CDT Sat May 17 2025

Late afternoon through Sunday: The gradient between a hot
subtropical ridge near the Gulf Coast and a cold upper low is
lending to a volatile thermodynamic environment characterized by
3000 to 4000 j/kg MLCAPE along a boundary extending from northeast
LA east southeast through central into southeast MS. Seasonably
strong deep layer shear is supporting the development of a few
supercells along the boundary capable of large hail/damaging wind,
but expect MCS activity to approach later this evening and help 
to support a more organized damaging wind threat, especially 
along/n of the I-20 corridor per slight risk area from SPC. It 
wouldn't be surprising if some of the area has to be raised to an
enhanced risk for later tonight should confidence continue to 
increase. By Sunday morning, there is a lot of uncertainty of how
long the MCS activity will linger in our area, but we could some
risk continue after daybreak. Then the question concerns
additional upstream perturbations. Seasonably strong low/mid level
flow should help replenish the environment should the ascent
become favorable again. /EC/

Sunday night through Friday: The chance for marginally severe 
thunderstorms will continue through late Monday evening as the 
frontal boundary stalls just to the north of our CWA. Quiet 
weather conditions will occur across the area early Tuesday 
morning as future global guidance continues to show the ridge axis
beginning to slowly push east away from our forecast area giving 
us a small little break from the rain. 

A significant 1004mb low pressure system crossing the Central 
Plains will push east towards the Ohio River Valley region Tuesday
afternoon/evening. The associated cold front over southern Texas 
will track east towards the southeast region late Tuesday evening.
This combined with southerly moisture flow from the Gulf, a mid- 
level jet moving into the area along with an unstable airmass in 
place will help increase bulk shear. This will allow for organized
convection across our whole forecast area. Because of this, SPC 
is continuing a 30% severe weather potential for Tuesday with 
higher confidence for northern portions of our CWA. There is still
a lot of uncertainty in regards to both the hazards and timing as
this system is still several days away. We will keep you updated 
on any changes as we get closer. 

Storm chances will continue heading into early Wednesday morning as 
the cold pushes southeast across our forecast area. Rain chances 
will start to diminish across the region looking ahead into 
Wednesday afternoon/evening with quiet conditions prevailing across 
our CWA by Thursday as the cold front tracks southeast out of our 
forecast area towards the Gulf Coast giving us a nice little break 
from the rain. Weather conditions will remain quiet heading into 
Friday with mostly to partly sunny skies by the weekend.

National Ag. Weather Outlook, International Ag. Weather Summary

Current Surface Map, [2nd Source TWC]

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Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook in case of corrupt tables.

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Regional Hourly Observations For CLAIBORNE County

SWR not available
Current Temperatures, Dewpoint, RH, Wind, Regional Obs, Surface 4-Panel

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Current Agricultural Weather Conditions in Mississippi
Based on observations at 300am CDT, Sunday May 18, 2025

Across Mississippi...temperatures are near 73 degrees north, near 78 degrees central, and near 78 degrees south. Current sky conditions are mostly cloudy north, partly cloudy central, and mostly cloudy south. In the north, relative humidity is near 84%, and the dew point is near 68 degrees. In the central part of the state, relative humidity is near 90%, and the dew point is near 75 degrees. In the south, relative humidity is near 85%, 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 calm north, where conditions are favorable for spraying. Winds are from the south at 8 mph central, where conditions are favorable for spraying. Winds are from the southwest at 9 mph south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 78 degrees at Jackson International Airport, and Gulfport. The lowest temperature is 69 degrees at Greenville.

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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

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Hazardous Weather Outlook For CLAIBORNE County
Hazardous report currently not available
NWS Severe Weather Map , Convective Outlook

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7-Day Forecast For CLAIBORNE County, MS
358 AM CDT Sun May 18 2025

TODAY
Mostly cloudy. Highs in the lower 90s. South winds 5 to 10 mph.

TONIGHT
Mostly cloudy. Lows in the lower 70s. South winds around 5 mph.

MONDAY
Mostly sunny. Highs in the lower 90s. South winds 10 to 15 mph.

MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph.

TUESDAY
Mostly sunny. Highs in the lower 90s. South winds 10 to 15 mph with gusts up to 25 mph.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the upper 60s. Chance of rain 40 percent.

WEDNESDAY
Sunny. A chance of showers in the morning. Highs in the mid 80s. Chance of rain 40 percent.

WEDNESDAY NIGHT AND THURSDAY
Partly cloudy. Lows in the lower 60s. Highs in the lower 80s.

THURSDAY NIGHT THROUGH FRIDAY NIGHT
Mostly clear. Lows in the lower 60s. Highs in the lower 80s.

SATURDAY
Sunny. Highs in the upper 80s.

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

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Medium & Long Range Outlook For Mississippi

                          MISSISSIPPI                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   MAY 23-27 MAY 25-MAY 31    JUN       JUN-AUG                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below                                            
 Precipitation:     Normal        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

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Almanac Information

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Historical Weather And Climate Facts For Today

////////////////////////////
MAY 18TH...HISTORIC WEATHER EVENTS
...1825...
A tornado (said to have crossed all of the state of Ohio) smashed into the
log cabin settlement of Burlington, northeast of Columbus. (David Ludlum)
...1960...
Salt Lake City UT received an inch of snow. It marked their latest
measurable snowfall of record. (The Weather Channel)
...1980...
Mount Saint Helens (in Washington State) erupted spewing ash and smoke
sixty-three thousand feet into the air. Heavy ash covered the ground to the
immediate northwest, and small particles were carried to the Atlantic
coast. (David Ludlum)




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