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Cherokee County, AL Weather and Climate Synopsis

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36 Hr. Forecast Map
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Weather Summary Hourly Observations Nowcast Agricultural Weather Outlook
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.


.SHORT TERM...
Today and Tonight. 

Southerly flow will develop once again today and will help push the 
front back north as a warm front during the day. High res models 
really produce scattered showers along the front this afternoon as 
it slides north. Thinking the nest chances will be across I-20 
corridor and parts north. The highest and most likely areas of rain 
will be along and east of I-65 in northeastern Alabama. Temperatures 
will be warmest in the south where the southerly flow develops a 
little quicker. The shortwave that will push the front north will 
exit by Midnight, with isentropic lift developing after 3 am. This 
lift will result in low clouds/fog as well as isolated light showers 
anywhere across the area.

16

.LONG TERM...
Monday through Sunday.

There are two main stories weather-wise for the extended - the above 
normal temperatures and the rainfall. Synoptically, the warm front 
has lifted north of the area by Monday morning, putting us well into 
the warm sector ahead of the deepening trough and cold front. The
cold front is off to the northwest into Missouri, so any dynamic 
forcing is limited for rain chances. This should leave Monday 
mostly rain-free for Central AL, with only a slight chance in the 
morning to give time for that warm front to lift out of here. 
Strong ridging is in place to our south and east, leading to 
deep/moist southerly flow.

First, the rain - we remain in the warm sector with really only the
possibility of isentropic lift to spark afternoon showers Tuesday
and Tuesday night. As we get into Wednesday, models are in good 
agreement that the cold front has pushed into North MS and Western
TN. Lift along and ahead of this front will increase rain chances
across all of Central AL, with the rain likely north of the I-20 
corridor Wednesday afternoon and night. The biggest question, and 
the focus on all forecast uncertainty from Wednesday night through
Thursday is just how far that cold front gets. The GFS pushes it 
through AL on Thursday before stalling it and lifting it northward
as another effective warm front. However, the ECMWF never really 
brings it very far into Central AL (maybe to I-59 corridor) before
lifting it north Thursday morning (at least 24 hours sooner than 
the GFS). I've been hedging my forecast closer to the ECMWF as it 
has more support from the ensembles and the Canadian. This puts me
at around a 45-55% chance of rain for most areas north of the 
I-85 corridor on Thursday for my forecast, but this still factors 
in the GFS possibility. If the GFS trends closer to the EC in 
coming days, I can decrease those PoPs more. Thunderstorms are 
possible with this system as surface instability will be more than
enough to support thunderstorm development. However, shear values
are expected to remain too low to support any organize severe 
threat. The warm front should be lifted north of our area by 
Friday, regardless of which model verifies, so decreasing rain 
chances overall for Friday and Saturday. I have kept some mention 
for chance or rain in due to isentropic lift ahead of yet another 
shortwave trough. That trough will push into Saturday night into 
Sunday morning, increasing rain chances again for the weekend. 
Have limited the PoPs to 45-50% on this trough due to the 
possibility of fluctuations in timing. 

Now, for the above normal temperatures - As most have noticed, it
has been unusually warm across Central AL the past few days. I 
expect that to continue with the anomalous ridge off to our south 
and east advecting warm/moist air into the area. Tuesday through 
Thursday, the NAEFs percentiles are highlighting 99.5th to Max 
climatological values for geopotential heights, temperatures, 
specific humidity, and PWATS at around 3 standard deviations above
the mean(translation -it's going to be warm and humid compared to
a typical mid to late February). Therefore, I have edged the high
temperatures up a few degrees, which will continue to put us in 
potential record high territory Monday, Tuesday, and Wednesday. I 
have included the records for our climate sites below this 
discussion. Thursday's high temps are somewhat uncertain and 
dependent on how the GFS trends with that frontal passage. If it 
trends more with the EC and keeps the front north of us, then we 
could see more near-record highs again on Thursday. If the front 
pushes through Central AL, we could see a temporary cool down on 
the backside of the front. For locations along and south of the 
I-85 corridor, there's good chances the cold front never makes it 
that far south, leading to continued above normal high 
temperatures Thursday and Friday.

25/Owen


Alabama Forecast Discussion (NWS)
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 CHEROKEE County
1100 AM CST SUN FEB 18 2018
NORTH ALABAMA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MUSCLE SHOALS  FAIR      50  38  63 SE9       30.29F                  
HUNTSVILLE     PTSUNNY   53  42  66 VRB3      30.28F                  
DECATUR        FAIR      51  39  63 VRB5      30.30S                  
HALEYVILLE     FAIR      55  40  56 E8        30.28F                  
GADSDEN        FAIR      57  41  55 E9        30.28F                  

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


Current Agricultural Weather Conditions in Alabama
Based on observations at 1100am CST, Sunday February 18, 2018

Across Alabama...temperatures are near 51 degrees north, near 58 degrees central, and near 69 degrees south. Current sky conditions are fair north, partly sunny central, and partly sunny south. In the north, relative humidity is near 63%, and the dew point is near 39 degrees. In the central part of the state, relative humidity is near 57%, and the dew point is near 43 degrees. In the south, relative humidity is near 78%, and the dew point is near 62 degrees. Winds are variable at 5 mph north, where conditions are favorable for spraying. Winds are variable at 6 mph central, where conditions are favorable for spraying. Winds are from the southeast at 5 mph south, where conditions are favorable for spraying. The livestock cold stress index is in the no stress category north, no stress category central, and no stress category south. Based on current available observations, the highest temperature is 72 degrees at Dothan. The lowest temperature is 50 degrees at Muscle Shoals.


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.

U.S. Radar Map, All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For CHEROKEE County, AL

327 AM CST Sun Feb 18 2018

 DAY ONE  Outlook through Tonight.

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Monday through Saturday.

No hazardous weather is expected at this time.

 SPOTTER INFORMATION STATEMENT  

Activation of storm spotters and emergency management is not
expected at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For CHEROKEE County, Alabama
1130 AM CST Sun Feb 18 2018

TODAY
Partly cloudy late in the morning, then mostly cloudy with rain showers likely late this afternoon. Highs in the lower 60s. East winds 5 to 10 mph. Chance of rain 60 percent.

TONIGHT
Cloudy. Rain showers likely in the evening, then slight chance of rain showers after midnight. Patchy fog after midnight. Lows in the lower 50s. East winds 5 to 10 mph. Chance of rain 60 percent.

WASHINGTONS BIRTHDAY
Warmer. Mostly cloudy. A 20 percent chance of rain showers in the morning. Patchy fog in the morning. Highs in the lower 70s. Southeast winds 5 to 10 mph.

MONDAY NIGHT
Mostly cloudy. Lows in the upper 50s. Southeast winds 5 to 10 mph.

TUESDAY
Partly cloudy with a 20 percent chance of rain showers. Highs in the upper 70s. South winds 5 to 10 mph.

TUESDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows around 60.

WEDNESDAY
Showers likely and slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 60 percent.

WEDNESDAY NIGHT
Rain showers likely and slight chance of thunderstorms. Lows in the upper 50s. Chance of rain 70 percent.

THURSDAY
Cloudy with chance of rain showers and slight chance of thunderstorms. Highs in the lower 70s. Chance of rain 50 percent.

THURSDAY NIGHT
Mostly cloudy with a 30 percent chance of rain showers. Lows in the upper 50s.

FRIDAY
Mostly cloudy with a 20 percent chance of rain showers. Highs in the mid 70s.

FRIDAY NIGHT
Mostly cloudy with a 20 percent chance of rain showers. Lows in the upper 50s.

SATURDAY
Mostly cloudy with a 40 percent chance of rain showers. 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 Alabama
                              ALABAMA                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   FEB 23-27 FEB 25-MAR 3    FEB       FEB-APR                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above      Above      Above                      
 Precipitation:     Normal        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

Sunday February 18, 2018 the 49th Day of Year

---------------------------------------------------
SUN
Declination -11.270000
Distance 0.999723 AU
Rise 07:28 EST Set 18:36 EST
Transit Meridian 13:01 EST
Civil Twilight Begins 07:04 EST Ends 19:00 EST

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

FEBRUARY 18TH
HISTORIC WEATHER EVENTS
...1899...
While much of the central and eastern U.S. was recovering from the most
severe cold wave of modern history, the temperature at San Francisco soared
to 80 degrees to establish a record for month of February. (David Ludlum)
...1959...
Some of the higher elevations of California were in the midst of a five day
storm which produced 189 inches of snow, a single storm record for North
America. (13th-19th) (David Ludlum)
...1987...
A small but intense low pressure system combined with northerly upslope
winds to produce eight inches of snow in five hours at Meeteetsie WY,
located southeast of Cody. (The National Weather Summary) (Storm Data)
...1988...
Thunderstorms soaked the Central Gulf Coast Region with heavy rain. Totals
in southern Louisiana ranged up to 8.50 inches near the town of Ridge, with
6.55 inches at Plaguemine. Thunderstorms in northern Florida drenched
Apalachicola with 5.41 inches of rain in 24 hours, and produced wind gusts
to 75 mph at Mayo. (The National Weather Summary) (Storm Data)
...1989...
Low pressure off the coast of North Carolina brought freezing rain and
heavy snow to Virginia and the Carolinas. Snowfall totals in Virginia
ranged up to 18 inches at Franklin. Freezing rain reached a thickness of
two inches around Charlotte NC. (The National Weather Summary) (Storm Data)
...1990...
An intense but slow moving Pacific storm worked its way across Utah over a
two day period. The storm blanketed the valleys with 4 to 12 inches of
snow, and produced up to 42 inches of snow in the mountains. Heavy snow
also fell across northern Arizona. Williams received 22 inches of snow, and
12 inches was reported along the south rim of the Grand Canyon. (The
National Weather Summary) (Storm Data)

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