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Greene County, IA Weather and Climate Synopsis

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Weather Summary for Iowa
National Weather Service Des Moines IA
1048 AM CST Sun Feb 18 2018

Conditions were relatively quiet across Iowa overnight. Low 
temperatures ranged from the upper teens into the mid 20s. 
Southeasterly winds slowly increased in speed during the night and 
into the morning, which also helped sustain warm temperatures. Into 
early morning, skies were mostly clear with a few scattered clouds 
across portions of central Iowa. As temperatures rise, the winds have 
picked up drastically across the state. Winds have been south at 20 to
30 miles per hour, with several gusts near 45 miles per hour 
reported. 

Across the rest of the Midwest, southerly winds have sustained warmer
temperatures. Cloud cover has been scattered across most of the
region. 

Temperatures are forecast to be in mid 40s across much of Iowa this
afternoon. Locations in southern Iowa will likely hit 50 degrees. The
main story for this afternoon however will the be the winds. Winds
will be southerly most of the day at 25 to 30 miles per hour, with
gusts near 45 miles per hour. The main forecast concern this evening
is for Northwest Iowa. An approaching system will bring precipitation
to northwest Iowa late this evening, and throughout Monday morning. 
With freezing temperatures close to the surface and road temperatures 
below freezing, this precipitation will be freezing rain. This will 
make for hazardous travel late this evening and throughout Monday 
morning across most of northwest Iowa. On Monday, central and 
southeast Iowa will see mostly rain. A few thunderstorms are possible.
Then Monday night into Tuesday morning, round two of freezing rain 
will impact much of central, east-central, and northeastern Iowa. Ice 
accumulations due to freezing rain will make for hazardous travel in 
this area Monday night through Tuesday morning. Depending on the exact
amount of ice accumulation, even treated roads could still be very 
dangerous. 



National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

Precision Agriculture Weather Forecast For GREENE County


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Regional Hourly Observations For GREENE County
Issued at 1200 PM CST SUN FEB 18 2018

   NORTHWEST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARROLL *      CLOUDY    48  32  53 S38G51    29.69F                  
DENISON *      CLOUDY    48  32  53 S31G41    29.70F                  
LE MARS *      CLOUDY    41  30  65 S31G39    29.57F                  
ORANGE CITY *  CLOUDY    39  34  81 S26G33    29.59F WCI  28          
SHELDON *      CLOUDY    39  30  70 S26G37    29.56F WCI  28          
SIOUX CITY     MOSUNNY   43  30  60 S17G30    29.64F                  
6HR MIN TEMP:  30; 6HR MAX TEMP:  44; 6HR PCP: TRACE;                

SPENCER        CLOUDY    41  30  65 S30G41    29.59F                  
6HR MIN TEMP:  26; 6HR MAX TEMP:  42;                                

STORM LAKE *   CLOUDY    43  34  70 S32G41    29.62F                  

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


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

Across Iowa...temperatures are near 42 degrees west, near 47 degrees central, and near 34 degrees east. Current sky conditions are cloudy west, cloudy central, and fair east. In the west, relative humidity is near 57%, and the dew point is near 28 degrees. In the central part of the state, relative humidity is near 49%, and the dew point is near 29 degrees. In the east, relative humidity is near 72%, and the dew point is near 26 degrees. Winds are from the south at 33 mph with gusts at 43 mph west, where conditions are not favorable for spraying due to strong winds. Winds are from the south at 26 mph with gusts at 36 mph central, where conditions are not favorable for spraying due to strong winds. Winds are from the southeast at 16 mph east, where conditions are not favorable for spraying due to strong winds. The wind chill is near 24 degrees east. The livestock cold stress index is in the no stress category west, no stress category central, and no stress category east. Based on current available observations, the highest temperature is 48 degrees at Clarinda. The lowest temperature is 28 degrees at Dubuque.


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 GREENE County,IA

359 AM CST Sun Feb 18 2018

 DAY ONE  Today and tonight

Strong south winds are expected late this morning into the early
afternoon.  A Wind Advisory is in effect for the area today. 
Please refer to the National Weather Service website at 
weather.gov/desmoines for further details.

Freezing drizzle and light freezing rain are expected by late
tonight. A Winter Weather Advisory is in effect for the area late
tonight. Please refer to the National Weather Service website at 
weather.gov/desmoines for further details.

 DAYS TWO THROUGH SEVEN  Monday through Saturday

Additional freezing drizzle and light freezing rain are expected
on Monday. A Winter Weather Advisory is in effect for the area 
through mid afternoon Monday. Please refer to the National Weather
Service website at weather.gov/desmoines for further details.

 SPOTTER INFORMATION STATEMENT  

Spotter activation will not be needed, however icing reports would
be appreciated. 

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For GREENE County, IA
1124 AM CST Sun Feb 18 2018


WIND ADVISORY IN EFFECT UNTIL 2 PM CST THIS AFTERNOON


WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST MONDAY

REST OF TODAY
Sunny, windy, warmer. High in the lower 50s. South wind 25 to 30 mph decreasing to 15 to 25 mph in the afternoon.

TONIGHT
Partly cloudy through midnight, then mostly cloudy with light rain likely after midnight. Cloudy with light rain possibly mixed with freezing rain early in the morning. Ice accumulation up to one tenth of an inch. Low in the lower 30s. Southeast wind 5 to 10 mph shifting to the northeast 5 to 15 mph after midnight. Chance of precipitation 70 percent.

WASHINGTONS BIRTHDAY
Cloudy, colder. Light rain through mid morning. Light freezing rain in the morning, then a chance of light freezing rain in the afternoon. Ice accumulation up to one tenth of an inch. High in the lower 30s. North wind 10 to 15 mph with gusts to around 25 mph. Chance of precipitation 80 percent.

MONDAY NIGHT
Cloudy. A chance of light freezing rain through midnight, then light freezing rain likely after midnight. Low in the lower 20s. North wind 10 to 15 mph. Chance of precipitation 60 percent.

TUESDAY
Mostly cloudy. A 40 percent chance of light freezing rain in the morning. High in the lower 20s. North wind 10 to 15 mph with gusts to around 25 mph.

TUESDAY NIGHT
Mostly cloudy. Colder. Low 5 to 10 above.

WEDNESDAY
Mostly sunny. High in the lower 20s.

WEDNESDAY NIGHT
Partly cloudy. Low around 10.

THURSDAY
Mostly sunny. Warmer. High in the mid 30s.

THURSDAY NIGHT
Mostly cloudy. A 40 percent chance of light snow after midnight. Not as cold. Low in the lower 20s.

FRIDAY
Mostly cloudy. A chance of light snow possibly mixed with rain in the morning, then a chance of light rain in the afternoon. High in the upper 30s. Chance of precipitation 50 percent.

FRIDAY NIGHT
Mostly cloudy. A chance of light snow possibly mixed with rain through midnight, then a chance of light snow after midnight. Low in the mid 20s. Chance of precipitation 30 percent.

SATURDAY
Partly sunny. A slight chance of light rain and snow in the morning, then a slight chance of light rain in the afternoon. High around 40. Chance of precipitation 20 percent.

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 Iowa
                                 IOWA                                                                     
                 ---------------------------------------------
                 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     Normal      Below                      
 Precipitation:      Above        Above     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
Almanac Information

Sunday February 18, 2018 the 49th Day of Year

---------------------------------------------------
SUN
Declination -11.270000
Distance 0.999723 AU
Rise 08:05 EST Set 18:51 EST
Transit Meridian 13:27 EST
Civil Twilight Begins 07:37 EST Ends 19:19 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