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Johnson County, IN Weather And Climate Synopsis

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

National Weather Service Indianapolis IN
1130 PM EST Sun Dec 17 2017

.UPDATE...
The AVIATION Section has been updated below.

NWS Weather Discussion
National Ag. Weather Outlook (Repair this link), International Highlights ,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 JOHNSON County
Issued at 200 AM EST MON DEC 18 2017
CENTRAL INDIANA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FRANKFORT +    CLOUDY    43  40  90 SW13      30.05S                  
INDIANAPOLIS   CLOUDY    41  38  89 SW12      30.05F                  
-EAGLE CREEK   CLOUDY    42  38  85 SW7       30.04F                  
KOKOMO +       CLOUDY    40  37  89 SW12      30.03F WCI  33          
MT COMFORT *+  CLOUDY    39  39 100 S6        30.05S WCI  35          
SHELBYVILLE    CLOUDY    41  36  82 S9        30.05F                  

Hourly Obs., Current Temperatures, Dewpoint, Rh, Wind, Regional Obs., Station Model, Surface 4-Panel
Meteograms: South Bend , Fort Wayne , Lafayette , Indianapolis , Evansville


Current Agricultural Weather Conditions in Indiana
Based on observations at 200am EST, Monday December 18, 2017

Across Indiana...temperatures are near 38 degrees north, near 41 degrees central, and near 44 degrees south. Current sky conditions are cloudy north, cloudy central, and light rain south. In the north, relative humidity is near 100%, and the dew point is near 38 degrees. In the central part of the state, relative humidity is near 89%, and the dew point is near 38 degrees. In the south, relative humidity is near 100%, and the dew point is near 44 degrees. There is patchy fog south. Winds are from the south at 9 mph north, where conditions are favorable for spraying. The wind chill is near 31 degrees north. Winds are from the southwest at 12 mph central, where conditions are favorable for spraying. Winds are from the southwest at 8 mph south, where conditions are not favorable for spraying due to light rain. 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 44 degrees at Evansville. The lowest temperature is CLOUDY degrees at Warsaw, Kokomo, and Huntingburg.


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, All NWS Radars (In near-real time), LSI Heat Index, Wind Chill Map
Hazardous Weather Outlook For JOHNSON County,IN

445 PM EST Sun Dec 17 2017

 DAY ONE  Tonight.

Outlook: Patchy fog. 
 
Hazards: Reduced visibilities. 

Timing: Tonight through tomorrow morning.
 
Discussion:  Patchy fog and light drizzle are possible tonight 
through tomorrow morning as lingering low level moisture becomes 
trapped under an inversion.
 
 DAYS TWO THROUGH SEVEN  Monday through Saturday.

Outlook: Chance of light snow Friday night and Saturday morning. 
 
Discussion:  
Quiet and mild weather will occur through Thursday. However, light
snow accumulations will be possible Friday night/Saturday morning
after a strong cold front moves through. Also it will be colder by 
next weekend.
 
 SPOTTER INFORMATION STATEMENT  

Spotter activation is not anticipated.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For JOHNSON County, IN
Issued at 929 PM EST Sun Dec 17 2017

REST OF TONIGHT
Cloudy. Areas of fog through the night. Patchy drizzle through the night. Near steady temperature in the upper 30s. Southwest winds up to 10 mph.

MONDAY
Cloudy. Areas of fog until midday. Patchy drizzle through the day. Highs in the upper 40s. Southwest winds 5 to 10 mph.

MONDAY NIGHT
Partly cloudy. Lows around 40. Southwest winds 5 to 10 mph.

TUESDAY
Partly cloudy. Highs in the mid 50s. Southwest winds 5 to 10 mph.

TUESDAY NIGHT
Colder. Partly cloudy. Lows around 30. North winds around 5 mph.

WEDNESDAY
Colder. Partly cloudy until midday then clearing. Highs in the mid 40s.

WEDNESDAY NIGHT
Mostly clear. Lows in the upper 20s.

THURSDAY
Mostly sunny. Highs around 50.

THURSDAY NIGHT
Not as cool. Partly cloudy then becoming mostly cloudy. A 20 percent chance of rain. Near steady temperature around 40.

FRIDAY
Cloudy with a 50 percent chance of rain. Highs in the lower 50s.

FRIDAY NIGHT
Rain, possibly mixed with snow. Light snow accumulations. Lows in the lower 30s. Chance of precipitation 80 percent.

SATURDAY
Colder. Partly cloudy with a 30 percent chance of rain and snow. Highs in the upper 30s.

SATURDAY NIGHT
Partly cloudy then becoming mostly cloudy. Lows in the mid 20s.

SUNDAY
Mostly cloudy. Highs in the upper 30s.

12-48 Hr ETA Surface, 12-48 Hr ETA 500mb/Sfc, 24 Hr. Comparsion, TWC Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip
NGM 60 Hr Forecast Meteograms: South Bend , Fort Wayne , Lafayette , Indianapolis , Evansville , Severe Weather Pot.-Day 1, Day 2


Medium & Long Range Outlook For Indiana
                              INDIANA                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 23-27 DEC 25-DEC 31    DEC       DEC-FEB                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below     Normal     Normal                      
 Precipitation:     Normal        Below     Normal      Above                      

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Total Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day, 120-Day

Almanac Information
Monday December 18, 2017 the 352th Day of Year

---------------------------------------------------
SUN
Declination -23.410000
Distance 0.999725 AU
Rise 08:01 EST Set 17:23 EST
Transit Meridian 12:42 EST
Civil Twilight Begins 07:32 EST Ends 17:52 EST

Calculations made for central point in the state.
Time in ET -- and will vary due to location and
elevation -- Priddy

Yesterday's Highs , Lows
Sunrise/Sunset/Moonrise/Moonset Computation (USN)

Historical Weather And Climate Facts For Today
DECEMBER 18TH
HISTORIC WEATHER EVENTS
...1957...
A tornado swept across Jackson County, Williamson County and Franklin
County in southern Illinois killing eleven persons. (David Ludlum)
...1981...
A heavy lake-effect snow blanketed the southern and southeast shores of
Lake Michigan leaving up to 22 inches of snow at Valparaiso IND. (David
Ludlum)
...1983...
Record cold hit the north central states. At Havre MT the mercury plunged
to a record reading of 34 degrees below zero. (Sandra and TI Richard
Sanders - 1987)
...1984...
A storm over southern California left up to 16 inches of snow in the
mountains and upper deserts, with 13 inches reported at Lancaster. Edwards
Air Force Base was closed, and Interstate 5 was closed from Castaic to the
Tehachapis Mountains. (18th-19th) (The Weather Channel)
...1986...
A strong winter storm, which developed off the coast of New Jersey and
moved out to sea, lashed the northeastern U.S. with high winds, heavy rain,
and heavy snow. The storm left snowfall amounts of up to 30 inches in
Vermont, 24 inches in Massachusetts, and 20 inches in New Hampshire. The
highest rainfall amounts approached four inches in southern New England,
where winds gusted to 70 mph. (Storm Data)
...1987...
A weakening storm moved into the Rocky Mountain Region producing six inches
of snow at the Platoro Reservoir in the San Juan Mountains of Colorado. The
storm then spread rain and drizzle across the Southern High Plains into the
Middle Mississippi Valley, with thunderstorms over Texas. (Storm Data) (The
National Weather Summary)
...1988...
Warm weather prevailed in the central U.S. while cool weather prevailed
across the eastern states. Sheridan WY, with a record warm afternoon high
of 68 degrees, was seven degrees warmer than Key West FL. (The National
Weather Summary)
...1989...
A winter storm moving out of the Great Plains Region spread freezing rain,
sleet and snow across parts of the southeastern U.S. Freezing rain resulted
in 170 auto accidents in the Memphis area during the evening hours.
Unseasonably warm weather continued ahead of arctic cold front. Miami FL
equalled their record for December with an afternoon high of 87 degrees.
(Storm Data) (The National Weather Summary)

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