097
NOUS42 KJAX 020051
PNSJAX
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
845 PM EDT WED JUL 01 2020
...JUNE 2020 CLIMATE SUMMARY FOR JACKSONVILLE
...ABOVE AVERAGE PRECIPITATION FOR JUNE ACROSS NORTHEAST FLORIDA
AND PORTIONS OF SOUTHEAST GEORGIA...
SUMMARY...JUNE 2020 FEATURED ABOVE AVERAGE PRECIPITATION FOR MOST OF
THE AREA. MOST OF THE RAINFALL OCCURRED DURING THE FIRST TWO WEEKS
OF THE MONTH AND WAS MAINLY ASSOCIATED WITH TROPICAL MOISTURE THAT
CAME NORTH IN RESPONSE TO TROPICAL STORM CRISTOBAL IN THE GULF OF
MEXICO. THE ABUNDANT CLOUDS AND RAINFALL KEPT TEMPERATURES COOLER
THAN NORMAL THE FIRST HALF OF THE MONTH BUT THE RETURN OF INTENSE
SUMMER HEAT THE LAST 10 DAYS OF THE MONTH BROUGHT AVERAGE
TEMPERATURES FOR JUNE CLOSER TO NORMAL BY THE END OF THE MONTH.
LOCALIZED FLASH FLOODING WAS REPORTED FROM THE HEAVY RAINFALL ON
JUNE 7TH ALONG THE I-10 CORRIDOR OF NORTHEAST FLORIDA FROM LIVE OAK
EAST TO JACKSONVILLE. THE RAINFALL BROUGHT MINOR FLOODING TO THE
NORTH FORK OF BLACK CREEK ON JUNE 8TH. THE 24 HOUR RAINFALL TOTAL OF
4.40 INCHES AT THE JACKSONVILLE AIRPORT FROM JUNE 6TH INTO THE 7TH
WAS THE 12TH HIGHEST TOTAL FOR JUNE ON RECORD AND THE HIGHEST FOR
JUNE SINCE TROPICAL STORM DEBBY IN 2012. THE LATTER HALF OF THE
MONTH WAS PUNCTUATED BY NORMAL DAILY THUNDERSTORM ACTIVITY EXCEPT
FOR THE PERIOD FROM JUNE 25TH THROUGH THE 27TH WHEN HAZY CONDITIONS
DEVELOPED DUE TO THE ARRIVAL OF THE SAHARAN DUST THAT BROUGHT
REDUCED VISIBILITIES AND TEMPORARY AIR QUALITY ISSUES TO THE REGION.
AT JACKSONVILLE INTERNATIONAL AIRPORT...
TEMPERATURES...THE AVERAGE TEMPERATURE FOR JUNE WAS 79.5 DEGREES
WHICH IS 0.4 DEGREES BELOW NORMAL. THE AVERAGE DAILY HIGH WAS 88.9
DEGREES AND THE HIGHEST TEMPERATURE OF THE MONTH WAS 96 DEGREES ON
THE 30TH. THERE WERE 14 DAYS WITH TEMPERATURES OF 90 DEGREES OR
HIGHER, NORMAL IS 17 DAYS IN JUNE. THE AVERAGE DAILY LOW TEMPERATURE
OF THE MONTH WAS 70.1 DEGREES AND THE LOWEST TEMPERATURE OF THE
MONTH WAS 62 DEGREES WHICH OCCURRED ON JUNE 3RD, 16TH AND 17TH. ONE
DAILY RECORD LOW TEMPERATURE WAS SET ON JUNE 16TH WHEN IT REACHED 62
DEGREES AND THIS WAS THE FIRST RECORD LOW TEMPERATURE IN ALMOST 2
YEARS AT THE AIRPORT LOCATION.
THE AVERAGE DEWPOINT (TD) TEMPERATURE WAS 70.4 DEGREES WHICH IS 0.3
DEGREES BELOW NORMAL. THE DEWPOINT TEMPERATURE REACHED 80 DEGREES ON
JUNE 8TH, WHICH IS ONE DEGREE SHY OF THE ALL-TIME JUNE RECORD OF 81
DEGREES. THIS HIGH HUMIDITY PUSHED THE HEAT INDEX TO 108 DEGREES ON
THE 8TH, THE PEAK VALUE OF JUNE. DAILY DEWPOINT RECORDS WERE SET ON
THE 8TH AT 80 DEGREES, THEN 79 DEGREES ON JUNE 9TH AND 78 DEGREES ON
JUNE 10TH AND 11TH.
RAINFALL...THE MONTHLY RAINFALL TOTALED 9.86 INCHES WHICH IS 3.41
INCHES ABOVE NORMAL. THIS JUNE RANKED AS THE 16TH WETTEST ON RECORD
SINCE 1871. THE GREATEST 24 HOUR RAINFALL TOTAL OCCURRED ON THE 6TH
AND 7TH OF JUNE WITH A MAXIMUM DAILY RAINFALL TOTAL OF 4.40 INCHES.
NO DAILY RAINFALL RECORDS WERE SET THIS MONTH. INTENSE THUNDERSTORM
ON JUNE 12TH HAD SOME IMPRESSIVE RAINFALL RATES AT THE JAX AIRPORT
ALTHOUGH NOT IN THE TOP 10 ALL-TIME FOR JUNE. THE RAINFALL RATES
INCLUDED 0.41" IN 5 MIN, 0.68" IN 10 MIN, 0.90" IN 15 MIN, 1.14" IN
30 MIN, 1.43" IN 60 MIN, 1.80" IN 120 MIN AND 1.92" IN 180 MIN.
WINDS...THE AVERAGE WIND SPEED WAS 6.0 MILES PER HOUR WHICH IS 0.3
MPH BELOW NORMAL. THE PEAK WIND GUST WAS 51 MILES PER HOUR FROM THE
SOUTHWEST ON JUNE 27TH. NO DAILY WIND GUST RECORDS WERE SET THIS
MONTH.
OTHER DATA...THERE WERE 14 DAYS WITH THUNDERSTORMS REPORTED AT THE
AIRPORT WHICH IS 1 DAY LESS THAN AVERAGE FOR JUNE. THERE WERE 2 DAYS
REPORTED WITH DENSE FOG (VISIBILITIES LESS THAN 1/4 MILE), AVERAGE
IS 1 DAY. THE LOWEST SEA LEVEL PRESSURE WAS 29.90 INCHES OF MERCURY
OR 1012.4 MILLIBARS ON JUNE 30TH. THE HIGHEST SEA LEVEL PRESSURE WAS
30.21 INCHES OF MERCURY OR 1023.2 MILLIBARS ON JUNE 26TH.
FOR ENERGY CONSUMPTION PURPOSES...THERE WERE 440 COOLING DEGREE DAYS
WHICH IS 9 COOLING DEGREE DAYS BELOW NORMAL FOR THE MONTH. THERE
WERE ALSO 0 HEATING DEGREE DAYS RECORDED DURING THE MONTH WHICH
MATCHES THE NORMAL VALUE FOR THE MONTH OF JUNE.
JULY OUTLOOK...THE TEMPERATURE OUTLOOK FOR NORTHEAST FLORIDA AND
SOUTHEAST GEORGIA INDICATES A 40 TO 50 PERCENT CHANCE FOR ABOVE
AVERAGE TEMPERATURES. THE PRECIPITATION OUTLOOK INDICATES BETWEEN A
40 TO 50 PERCENT CHANCE OF ABOVE AVERAGE RAINFALL OVER SOUTHEAST
GEORGIA AND NORTHEAST FLORIDA FOR JULY. THE AVERAGE TEMPERATURE FOR
JULY IS 82.3 DEGREES WHILE THE AVERAGE MAXIMUM TEMPERATURE IS 92.0
DEGREES AND THE AVERAGE MINIMUM TEMPERATURE IS 72.6 DEGREES. AVERAGE
RAINFALL FOR THE MONTH OF JULY IS 6.55 INCHES.
ADDITIONAL RAINFALL REPORTS FROM AROUND THE AREA...
FL LIVE OAK 10 W 19.41
FL WHITE SPRINGS 0.3 NW 17.75
FL ARCHER 5.5 E 15.74
FL INTERLACHEN 8.8 S 15.26
FL OCALA 13.16
FL JASPER 12.52
FL BEAUCLERC 10.28
FL JACKSONVILLE BEACH 11.51
FL FERNANDINA BEACH 11.09
FL LAKE CITY 2 E 12.22
FL GLEN ST MARY 1 W 11.00
FL CRESCENT CITY 4.62
FL GAINESVILLE RGNL AP 8.47
FL HASTINGS 4NE 3.98
FL WHITE SPRINGS 7N 9.26
FL JACKSONVILLE CRAIG EXEC AP 7.81
FL JACKSONVILLE INTL AP 9.86
FL BUNNELL EOC 6.74
FL PALM COAST NORTHEAST 6.31
FL PALM COAST EAST 6.98
FL PALM COAST SOUTHWEST 7.09
FL PALM COAST NORTHWEST 7.30
FL PALM COAST WEST 6.43
FL BULOW 7.87
FL FLAGLER BEACH 8.10
GA NAHUNTA 6 S 13.26
GA FARGO 17 NE 10.18
GA ALMA BACON CO AP 2.65
GA NAHUNTA 6 NE 9.80
GA BRUNSWICK 6.88
GA BRUNSWICK MALCOLM MCKINNON AP 7.15
RAINFALL REPORTS ARE PRELIMINARY. CO-OP SITES REPORT A 24 HOUR TOTAL
NOT BASED ON A MIDNIGHT TO MIDNIGHT CALENDAR DAY.
FOR ADDITIONAL RAINFALL REPORTS CHECK OUT COCORAHS...THE COMMUNITY
COLLABORATIVE RAIN...HAIL...AND SNOW NETWORK. THIS PUBLIC VOLUNTEER
RAIN GAUGE NETWORK IS OPEN TO ANYONE WILLING TO MEASURE AND REPORT
PRECIPITATION. GO TO THE COCORAHS WEBSITE FOR MORE INFORMATION AND
TO SIGN UP. HTTP://WWW.COCORAHS.ORG
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page