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Gwinnett County, GA Weather and Climate Synopsis

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Regional Hourly Observations For GWINNETT County
Issued at 600 AM EDT FRI JUL 20 2018

NORTH GEORGIA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ATLANTA        CLOUDY    74  71  91 E10       29.97S                  
ATHENS         CLOUDY    72  72 100 NE3       29.99R                  
CHAMBLEE       CLOUDY    74  70  87 E6        29.98S                  
PEACHTREE CITY CLOUDY    75  73  93 E3        29.97S                  
ROME           MOCLDY    73  72  96 CALM      29.98R                  
WEST ATLANTA   CLOUDY    75  73  93 NE5       29.97S                  
GAINESVILLE    CLOUDY    72  68  87 NE8       30.03R                  
CARTERSVILLE   CLOUDY    74  72  93 CALM      29.99R                  

  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DALTON*        FAIR      70  70 100 CALM      30.00S                  
LAWRENCEVILLE* CLOUDY    72  70  93 MISG      30.00R                  
MARIETTA       MOCLDY    74  70  88 NE3       29.99R                  
KENNESAW*      CLOUDY    73  70  88 SE5       30.00R                  
CANTON*        MOCLDY    72  68  88 CALM      30.02R                  
BLAIRSVILLE*   FAIR      67  65  93 NE3       30.05S                  

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


Current Agricultural Weather Conditions in Georgia
Based on observations at 600am EDT, Friday July 20, 2018

Across Georgia...temperatures are near 74 degrees north, near 75 degrees central, and near 75 degrees south. Current sky conditions are cloudy north, mostly cloudy central, and cloudy south. In the north, relative humidity is near 91%, and the dew point is near 71 degrees. In the central part of the state, relative humidity is near 100%, and the dew point is near 75 degrees. In the south, relative humidity is near 100%, and the dew point is near 75 degrees. The livestock heat stress category is no stress north, no stress central, and no stress south. Winds are from the east at 10 mph north, where conditions are favorable for spraying. Winds are from the northeast at 5 mph central, where conditions are favorable for spraying. Winds are from the south at 5 mph south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 79 degrees at Saint Simons. The lowest temperature is 70 degrees at Dalton.


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 GWINNETT County,GA

430 AM EDT Fri Jul 20 2018

 DAY ONE  Today and Tonight  

Isolated to scattered thunderstorms can be expected this
afternoon and tonight across much of north and central Georgia.
A few storms could be strong to severe. The most likely area
for severe storms will be across portions of north and west
Georgia, from Columbus to Gainesville and northwest and mainly
tonight. The main hazards will be damaging winds, large hail 
and frequent lightning.


 DAYS TWO THROUGH SEVEN  Saturday through Thursday  

Scattered to numerous thunderstorms can be expected Saturday into 
Saturday night. A few storms could be severe with damaging winds,
frequent lightning and heavy rain. Large hail could also be
possible.

Scattered to numerous thunderstorms are expected Sunday through 
Thursday. A few strong to severe storms will be possible each
day with strong gusty winds, frequent lightning, and heavy 
rainfall. 


 SPOTTER INFORMATION STATEMENT  

Spotter activation is not requested but spotters are encouraged to 
submit reports of severe weather through the web by going to 
weather.gov/atlanta.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For GWINNETT County, GA
Issued at 345 AM EDT Fri Jul 20 2018

TODAY
Patchy fog early then Partly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. East winds 10 to 15 mph. Chance of rain 20 percent.

TONIGHT
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 70s. light and variable winds.

SATURDAY
Patchy dense fog in the morning. Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds 10 to 15 mph.

SATURDAY NIGHT
Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the lower 70s. West winds 5 to 10 mph.

SUNDAY
Partly sunny with a 40 percent chance of showers and thunderstorms. Highs in the upper 80s. West winds 10 to 15 mph.

SUNDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 40 percent.

MONDAY
Showers and thunderstorms likely. Highs in the mid 80s. Chance of rain 60 percent.

MONDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. Chance of rain 40 percent.

TUESDAY
Showers and thunderstorms likely. Highs in the mid 80s. Chance of rain 60 percent.

TUESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.

WEDNESDAY
Showers and thunderstorms likely. Highs in the upper 80s. Chance of rain 60 percent.

WEDNESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent.

THURSDAY
Showers and thunderstorms likely. Highs in the upper 80s. Chance of rain 60 percent.

ETA Surface Forecast Maps, AVN 6-Panel 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 Georgia
                              GEORGIA                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   JUL 25-29 JUL 27-AUG 2    JUL       JUL-SEP                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below      Above      Above                      
 Precipitation:      Above        Above     Normal     Normal                      

....  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

Friday July 20, 2018 the 201th Day of Year

---------------------------------------------------
SUN
Declination 20.470000
Distance 0.999716 AU
Rise 06:41 EDT Set 20:42 EDT
Transit Meridian 13:41 EDT
Civil Twilight Begins 06:14 EDT Ends 21:08 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

////////////////////////
JULY 20TH...HISTORIC WEATHER EVENTS
...1930...
The temperature at Washington D.C. soared to an all-time record of 106
degrees. The next day Millsboro reached 110 degrees to set a record for the
state of Delaware. July 1930 was one of the hottest and driest summers in
the U.S., particularly in the Missouri Valley where severe drought
conditions developed. Toward the end of the month state records were set
for Kentucky with 114 degrees, and Mississippi with 115 degrees. (David
Ludlum)
...1934...
The temperature at Keokuk IA soared to 118 degrees to establish a state
record. (The Weather Channel)
...1953...
Twenty-two inches of hail reportedly fell northeast of Dickinson ND. (The
Weather Channel)
...1986...
The temperature at Charleston SC hit 104 degrees for the second day in a
row to tie their all-time record high. (The Weather Channel)
...1987...
Thunderstorms produced severe weather across Minnesota, Wisconsin and
Michigan. Thunderstorms produced wind gusts to 87 mph at Mosinee WI, and
strong thunderstorm winds capsized twenty-six boats on Grand Traverse Bay
drowning two women. Thunderstorms produced nine inches of rain at Shakopee
MN, with 7.83 inches reported in six hours at Chaska MN. Thunderstorms in
north central Nebraska produced hail as large as golf balls in southwestern
Cherry County, which accumulated to a depth of 12 inches. (The National
Weather Summary) (Storm Data)
...1988...
The temperature at Redding CA soared to an all-time record high of 118
degrees. Showers and thunderstorms produced much needed rains from New
England to southern Texas. Salem IN was deluged with 7.2 inches of rain
resulting in flash flooding. (The National Weather Summary)
...1989...
Showers and thunderstorms in the Middle Atlantic Coast Region soaked
Wilmington DE with 2.28 inches of rain, pushing their total for the period
May through July past the previous record of 22.43 inches. Heavy rain over
that three month period virtually wiped out a 16.82 inch deficit which had
been building since drought conditions began in 1985. Thunderstorms in
central Indiana deluged Lebanon with 6.50 inches of rain in twelve hours,
and thunderstorms over Florida produced wind gusts to 84 mph at Flagler
Beach. (The National Weather Summary) (Storm Data)

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