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Boone 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
415 PM EDT Fri Jul 21 2017

The AVIATION Section has been updated below.

NWS Weather Discussion
National Ag. Weather Outlook (Repair this link), International Highlights ,International Ag. Weather Summary
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Regional Hourly Observations For BOONE County
Issued at 700 PM EDT FRI JUL 21 2017
LAFAYETTE      FAIR      86  77  74 SE5       29.92F HX  97           
KOKOMO*        FAIR      84  75  74 S5        29.97F                  
MUNCIE*        FAIR      86  73  65 CALM      29.97F                  
INDIANAPOLIS   PTSUNNY   89  72  56 CALM      29.93F HX  96           

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 700pm EDT, Friday July 21, 2017

Across Indiana...temperatures are near 84 degrees north, near 89 degrees central, and near 96 degrees south. Current sky conditions are mostly sunny north, partly sunny central, and mostly sunny south. In the north, relative humidity is near 58%, and the dew point is near 68 degrees. In the central part of the state, relative humidity is near 56%, and the dew point is near 72 degrees. The heat index is near 96 degrees central. In the south, relative humidity is near 47%, and the dew point is near 73 degrees. The heat index is near 105 degrees south. The livestock heat stress category is no stress north, danger central, and emergency south. Winds are from the south at 5 mph north, where conditions are favorable for spraying. Winds are calm central, where conditions are favorable for spraying. Winds are from the southwest at 16 mph south, where conditions are not favorable for spraying due to strong winds. Based on current available observations, the highest temperature is 96 degrees at Evansville. The lowest temperature is SUNNY degrees at Kokomo.

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 BOONE County,IN

449 PM EDT Fri Jul 21 2017

 DAY ONE  Tonight.

Outlook: There is a SLIGHT RISK for severe storms this evening and 
Hazards: Damaging winds, heavy rain and localized flooding, isolated
tornadoes, large hail, and lightning.

Timing: Anytime this evening, but the best chances for severe storms
will after 1100 PM. Heat will be at its worst during the afternoon 
and early evening.
Discussion: Upper level disturbances will interact with hot and humid
air to produce some thunderstorms. Heat index values will top out in
the upper 90s to low 100s.

 DAYS TWO THROUGH SEVEN  Saturday through Thursday.

Outlook: Thunderstorm activity is possible at times through Monday. 
Scattered severe storms will be possible Saturday. Damaging winds 
and large hail, along with heavy rainfall producing flash flooding, 
are the primary threats.

Hot and humid conditions will be the rule into the weekend. Maximum
heat index values from around 95 to near 105 can be expected through

Discussion: Hot air will remain across central Indiana into the 
weekend. A front along with upper level disturbances will bring 
thunderstorm chances to all or parts of the area at times through the


Spotter activation is possible through Saturday night.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For BOONE County, IN
Issued at 342 PM EDT Fri Jul 21 2017

Partly cloudy. Chance of showers and thunderstorms, then showers and thunderstorms likely after midnight. Lows in the mid 70s. South winds up to 10 mph. Chance of precipitation 60 percent.

Partly cloudy with a 40 percent chance of showers and thunderstorms. Highs around 90. Southwest winds 10 to 15 mph.

Partly cloudy. Showers and thunderstorms likely, then slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. West winds 5 to 10 mph. Chance of precipitation 60 percent.

Partly cloudy. Highs in the upper 80s. West winds 5 to 10 mph.

Mostly clear. Lows in the upper 60s. West winds 5 to 10 mph.

Partly cloudy until midday then clearing. Highs in the lower 80s.

Mostly clear. Lows in the lower 60s.

Mostly sunny. Highs in the lower 80s.

Mostly clear. Lows in the mid 60s.

Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the mid 80s.

Partly cloudy. Lows in the upper 60s.

Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the mid 80s.

Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the mid 60s.

Partly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the lower 80s.

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
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
               JUL 27-JUL 31 JUL 29-AUG 4    AUG       AUG-OCT                      
                 -----------  -----------  --------  ---------
   Temperature:     Normal       Normal      Above      Above                      
 Precipitation:     Normal        Above     Normal     Normal                      

....  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
Friday July 21, 2017 the 202th Day of Year

Declination 20.230000
Distance 0.999716 AU
Rise 06:35 EDT Set 21:07 EDT
Transit Meridian 13:51 EDT
Civil Twilight Begins 06:05 EDT Ends 21:37 EDT

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
Shelbyville, Kentucky's wettest day on record, with 7.15 inches of rain.
The temperature at Painter WY dipped to 10 degrees to equal the record low
for July for the continental U.S. (The Weather Channel)
The temperature reached 109 degrees at Cincinnati OH to cap their hottest
summer of record. The state record for Ohio was established that day with a
reading of 113 degrees near the town of Gallipolis. (David Ludlum)
Six inches of rain fell across Mercer County NJ in just ten hours causing
the worst flooding in twenty years. Assunpink Creek crested eleven feet
above flood stage at Hamilton and Trenton, the highest level of record.
Traffic was brought to a standstill, and railway service between New York
City and Washington D.C. was cut off for two days. Flooding left 1000
persons homeless, and caused an estimated 25 million dollars damage. (David
Thunderstorms produced severe weather from Utah to North Dakota, spawning a
dozen tornadoes in North Dakota. Thunderstorms in North Dakota also
produced baseball size hail at Clifford which caused four million dollars
damage, and high winds which toppled a couple of eighty foot towers cutting
off power to the town of Blanchard. (The National Weather Summary) (Storm
While cool air invaded the central U.S., unseasonably hot weather continued
over the western states. The temperature at Spring Valley NV soared from a
morning low of 35 degrees to an afternoon high of 95 degrees. Fallon NV
reported an all-time record high of 108 degrees, and Death Valley CA
reported their sixth straight day of 120 degree heat. (The Weather Channel)
(The National Weather Summary)
Afternoon thunderstorms over Florida produced wind gusts to 92 mph at
Jacksonville, damaging thirteen light planes at Herlong Field. Five cities
in Texas reported record low temperatures for the date. Corpus Christi TX
equalled their record low for the date with a reading of 71 degrees, and
then tied their record high for the date that afternoon with a reading of
97 degrees. (The National Weather Summary) (Storm Data)
After two week's of very hot weather conditions in Kentucky, cool air from
Canada moved into the Bluegrass state and provided temperatures in the upper 70's
and low 80's. (UKAWC)

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