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We've been getting some scorching heat index readings over the last few days. Friday Heat Index - 118.6 Dew Point - 83.4 Yesterday Heat Index - 113.3 Dew Point - 80.3

New Record Heat Index Yesterday

At 6:44 pm (7/23/10) the heat index hit 118.6 degrees, the highest recorded here. It occurred shortly after a thundershower dropped about .3" of rain on the area.

Slow Weather Week

Not much going on this week with the weather, a persistent pattern is in place giving us a chance of thundershowers each day, with temperatures in the mid 90's. We'll have to see what the next tropical storm (hurricane?) brings us on Saturday or Sunday but I don't believe at this point it will have any effect on us.

Storm Prediction Center Mesoscale Discussion 1285

Storm Prediction Center Mesoscale Discussion 1285: "THESE STORMS ARE EXPECTED TO INCREASE IN COVERAGE AS DESTABILIZATION CONTINUES ACROSS THE REGION LATE THIS AFTERNOON. THIS SHOULD ALSO HELP SUSTAIN THE CONVECTIVE LINE EWD INTO THE ATLANTA METRO WHERE SFC TEMPS ARE NOW IN THE LOWER 90S F AND LOW-LEVEL LAPSE RATES ARE STEEP. SHORT-TERM MODEL FORECASTS GRADUALLY INTENSIFY THE LINE EWD ACROSS NCNTRL GA AND WRN SC WHERE STRONGER INSTABILITY IS LOCATED. FOR THIS REASON...THE WIND DAMAGE THREAT ASSOCIATED WITH THE CONVECTIVE LINE MAY CONTINUE FOR THE REMAINDER OF THE AFTERNOON INTO THE EARLY EVENING WITH AN INCREASING THREAT FOR DAMAGING WIND GUSTS."

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THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 464 IN EFFECT UNTIL 7 PM EDT THIS EVENING

Current Dacula Weather - Dacula Forecast

UPDATE... CURRENT FORECAST APPEARS ON TARGET WITH GOOD CHANCE TO LIKELY POPS ACROSS THE AREA THIS AFTERNOON. ISOLATED TO SCATTERED SEVERE STORMS LOOKING LIKE A GOOD POSSIBILITY WITH DAMAGING WINDS BEING THE MAIN THREAT. SPC STILL TARGETING MUCH OF THE AREA IN SLIGHT RISK FOR SEVERE STORMS TODAY ...AND ALREADY TALKING ABOUT A POSSIBLE WATCH. STAY TUNED.

Hazardous Weather Outlook

THE SHORTWAVE MOVING THROUGH THE TENNESSEE VALLEY TODAY...IN COMBINATION WITH AMPLE MOISTURE ACROSS GEORGIA AND THE TROUGH ALONG THE APPALACHIANS...WILL TRIGGER SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS THE STATE. INSTABILITY WILL BE FAIRLY HIGH...WITH CAPE VALUES BETWEEN 1500 AND 2000...AND LIFTED INDEX VALUES BETWEEN -4 AND -5. THIS INSTABILITY SHOULD BE HIGH ENOUGH FOR SOME STORMS TO BECOME STRONG...AND A FEW COULD BE SEVERE. DAMAGING WINDS AND CLOUD TO GROUND LIGHTNING WILL BE THE PRIMARY HAZARDS WITH SEVERE STORMS. WITH PRECIPITABLE WATER VALUES APPROACHING 2 INCHES...THE ATMOSPHERE IS VERY MOIST...AND LOCALLY HEAVY RAIN AND MINOR FLOODING CAN BE EXPECTED.

Hazardous Weather Outlook - stephenrbrueck@gmail.com - Gmail

A FRONTAL BOUNDARY SITUATED ACROSS PORTIONS OF NORTH AND CENTRAL GEORGIA WEAKENED OVERNIGHT... AND WILL DRIFT NORTHWARD TODAY AS SHORTWAVE ENERGY MOVES THROUGH THE TENNESSEE VALLEY.

THE COMBINATION OF THESE FEATURES WILL PROVIDE A FOCUS FOR THUNDERSTORM DEVELOPMENT ACROSS THE AREA... ESPECIALLY ACROSS NORTH GEORGIA. INSTABILITY WILL BE FAIRLY HIGH...WITH CAPE VALUES APPROACHING 2500...AND LIFTED INDEX VALUES NEAR -4. ALTHOUGH INSTABILITY SHOULD BE HIGH ENOUGH FOR SOME STORMS TO BECOME STRONG...THEY ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS. STRONG GUSTY WINDS AND SMALL HAIL ARE POSSIBLE WITH THE STRONGER STORMS.

THE ATMOSPHERE IS ALSO VERY MOIST WITH PRECIPITABLE WATER VALUES APPROACHING 2 INCHES. LOCALLY HEAVY RAIN WITH MINOR FLOODING CAN BE EXPECTED.

One More Hot Day

After hitting a high of 98.1 degrees yesterday, look for temperatures to cool slightly today as a frontal system approaches from the north.

Current Dacula Weather

Current Dacula Weather The NWS has issued a Air Quality Alert for Thursday July 8th for most of metro Atlanta.

UNDER CODE ORANGE CONDITIONS...THE OUTDOOR AIR IS LIKELY TO BE  UNHEALTHY FOR SOME PEOPLE. CHILDREN...PEOPLE WHO ARE SENSITIVE TO  OZONE...AND PEOPLE WITH HEART OR LUNG DISEASE SHOULD LIMIT  PROLONGED OUTDOOR EXERTION DURING THE LATE AFTERNOON OR EARLY  EVENING WHEN OZONE CONCENTRATIONS ARE HIGHEST. 

Complete description here: http://www.daculaweather.com/warnings2.php?zone=GAZ034#WL0