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Columbia County, AR Weather and Climate Synopsis

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

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

Weather Summary for Arkansas
National Weather Service Little Rock AR
1115 PM CDT Sun Jul 15 2018

On Sunday, hot and muggy conditions prevailed across much of 
Arkansas, with morning lows mostly in the 70s, while afternoon highs 
reached the 90s, with a few locations topping out at 100 degrees. A 
heat advisory was in effect for much of central and southern 
Arkansas. Little Rock reached 101 degrees. Sunday afternoon to 
evening, scattered showers and thunderstorms developed over much of 
northern and central Arkansas. Strong gusty winds, dangerous 
lightning and some heavy rain was reported. The storms gradually 
weakened Sunday night. Lows Monday morning will be from the mid 60s 
to mid 70s.

Weather for the coming week will continue to see above normal 
temperatures, and some rain chances, mainly during the heat of the 

The hot and humid weather will stay with us, and remember to drink 
plenty of water, stay in an air-conditioned room if possible, stay 
out of the sun, and check up on relatives, neighbors and pets. 

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 COLUMBIA County

SWR not available
Current Temperatures, Dewpoint, RH, Wind, Regional Obs, Surface 4-Panel
Current Agricultural Weather Conditions in Arkansas
Based on observations at 1100pm CDT, Sunday July 15, 2018

Across Arkansas...temperatures are near 78 degrees north, near 74 degrees central, and near 81 degrees south. Current sky conditions are partly cloudy north, thunderstorms central, and fair south. In the north, relative humidity is near 87%, and the dew point is near 74 degrees. In the central part of the state, relative humidity is near 97%, and the dew point is near 73 degrees. In the south, relative humidity is near 88%, and the dew point is near 77 degrees. The heat index is near 88 degrees south. The livestock heat stress category is no stress north, no stress central, and danger south. Winds are from the southeast at 5 mph north, where conditions are favorable for spraying. Winds are from the south at 9 mph central, where conditions are not favorable for spraying due to thunderstorms. Winds are calm south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 86 degrees at Fort Smith. The lowest temperature is 71 degrees at .

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 COLUMBIA County,AR

100 PM CDT Sun Jul 15 2018

 DAY ONE  This Afternoon and Tonight  

Isolated thunderstorms will be possible this afternoon during 
peak heating. Any thunderstorms that develop may produce gusty 
winds to near 25-30 MPH, brief heavy rainfall with amounts up to
one quarter of an inch, and deadly lightning. 

A more critical concern will be the heat with highs in the middle
to upper 90s. The hot temperatures when combined with the relative
humidity will produce heat indices from 105-110 degrees. Therefore,
a Heat Advisory is in effect until 7 PM this evening. Any amount 
of time spent outdoors should include frequent breaks in the shade
and adequate hydration to avoid any heat- related illnesses. Work
should also be done during the morning or early evening hours to 
avoid the hottest part of the day. Clothing should be light 
colored and loose- fitting as to allow your body to cool itself. 

 DAYS TWO THROUGH SEVEN  Monday through Saturday  

Isolated to scattered thunderstorms will be possible each day
Monday through Thursday, mainly across Southeast Oklahoma,
Southwest Arkansas, and Louisiana.

As an upper level ridge builds over the area, rain chances will
diminish and temperatures will gradually climb into the upper 90s
and low 100s by late week. Combined with the humidity, the hot
temperatures may result in heat index values well above 100 
degrees F across the entire Four State Region.


Activation of emergency management personnel, amateur radio 
operators, and storm spotters will not be needed through tonight.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For COLUMBIA County, Arkansas
946 PM CDT Sun Jul 15 2018

Partly cloudy. Lows in the mid 70s. Southwest winds 5 mph.

Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index readings 103 to 106.

Mostly cloudy in the evening, then partly cloudy with a 20 percent chance of showers and thunderstorms after midnight. Lows in the mid 70s. Southwest winds 5 mph. Heat index readings 101 to 104.

Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the upper 90s. Northwest winds 5 mph.

Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the mid 70s. South winds 5 mph.

Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the upper 90s.

Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 20 percent.

Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the upper 90s.

Mostly clear. Lows in the upper 70s.

Partly cloudy. Highs around 100.

Partly cloudy. Lows in the upper 70s.

Partly cloudy. Highs in the upper 90s.

Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 70s.

Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the upper 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 Arkansas
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   JUL 21-25    JUL 23-29    JUL       JUL-SEP                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above      Above      Above                      
 Precipitation:      Below        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

Monday July 16, 2018 the 197th Day of Year

Declination 21.190000
Distance 0.999716 AU
Rise 07:08 EDT Set 21:22 EDT
Transit Meridian 14:15 EDT
Civil Twilight Begins 06:40 EDT Ends 21:49 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 severe hailstorm over parts of Antelope and Boone counties in Nebraska
stripped trees of bark and foliage, ruined roofs, and broke nearly every
window facing north. (The Weather Channel)
The temperature at Medford OR soared to an all-time high of 115 degrees to
begin a two week heat wave. During that Oregon heat wave the mercury hit
100 degrees at Sexton Summit for the only time in forty years of records.
(David Ludlum) (The Weather Channel)
An early afternoon thunderstorm raked the east side of Tucson AZ with gale
force winds, heavy rain, and numerous lightning strikes. A thirteen year
old boy was swept through a forty foot long culvert by raging waters before
being rescued. (The Weather Channel)
An intense thunderstorm dropped as much as 7 inches of rain in a three hour 
period over portions of southeastern pike county. two residents lost their lives 
as the car they were in was washed off the road. a young boy also died while 
being evacuated from his home. forty businesses and 2560 homes were 
affected...amounting to 7 million dollars in damage. (NWS JKL)
Showers and thundestorms in the southwestern U.S. ended a record string of
thirty-nine consecutive days of 100 degree heat at Tucson AZ. A
thunderstorm at Bullhead City AZ produced wind gusts to 70 mph reducing the
visibility to near zero in blowing dust. Southerly winds gusting to 40 mph
pushed temperature readings above 100 degrees in the Northern Plains. Rapid
City SD reported a record high of 106 degrees, following a record low of 39
degrees just three days earlier. (The National Weather Summary) (Storm
Thirty-seven cities in the eastern U.S. reported record high temperatures
for the date. Highs of 96 degrees at Bluefield WV and 104 degrees at
Charleston WV were all-time records, and afternoon highs of 98 degrees at
Binghamton NY, 99 degrees at Elkins WV, and 103 degrees at Pittsburgh PA,
tied all-time records. Highs of 104 degrees at Baltimore MD and 105
degrees at Parkersburg WV were records for July, and Beckley WV equalled
their record for July with a high of 94 degrees. Martinsburg WV was the hot
spot in the nation with a reading of 107 degrees. Afternoon and evening
thunderstorms raked the northeastern U.S. with large hail and damaging
winds. (The National Weather Summary)
Showers and thunderstorms developing along a stationary front drenched the
Middle Atlantic Coast States with heavy rain, causing flooding in some
areas. More than five inches of rain was reported near Madison VA and
Ferncliff VA. Hot weather prevailed in Texas. San Angelo reported a record
high of 106 degrees. (The National Weather Summary)

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