Severe Thunderstorm Warning 152, NWS Jacksonville, FL

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
753 PM EDT MON JUN 22 2015

...STRONG TO SEVERE EVENING TSTORMS...

.UPDATE...NUMEROUS CLUSTERS OF VERY SLOW MOVING STRONG TO SEVERE
STORMS ERUPTED THIS AFTERNOON AND CONTINUE TO DO SO INTO THE EARLY
EVENING AS A LARGE LINE OF TSTORMS EDGES SLOWLY SOUTHWARD OVER OUR
NORTHERN GA ZONES...WHILE REMNANT OUTFLOWS INTERACT WITH THE
RIVER/SEA BREEZES NEAR THE ST JOHNS RIVER CORRIDOR. THE HRRR
CONTINUED TO INITIALIZE WELL COMPARED TO OTHER GUIDANCE IN THE
SHORT RANGE SUITE AND LEANED TOWARD ITS RESONABLE DEPICTION OF
EXPANSION OF TSTORM ACTIVITY ALONG THE ST JOHNS RIVER CORRIDOR
THROUGH 9 PM...WITH SE GA ACTIVITY FOCUSING FARTHER INLAND THROUGH
THE REMAINDER OF THE EVENING WITH VERY GRADUAL DISSIPATION THROUGH
MIDNIGHT AS DIURNAL HEATING IS LOST. UPDATED THE FORECAST TO
INCLUDE LOCALLY HEAVY RAINFALL...GUSTY WINDS AND FREQUENT
LIGHTNING WHERE STRONG/SEVERE TSTORMS ARE MOST PROBABLE. LINGERING
OVERNIGHT CONVECTION POSSIBLE UNDER WEAK MEAN LAYER TROUGHING
ACROSS THE DEEP SOUTH WITH THE BEST RAIN CHANCES WESTWARD ACROSS
SE GA IN THE VICINITY OF THE LINGERING  SURFACE FRONTAL ZONE AND
ALONG THE GULF COAST REGION UNDER LOW LEVEL SW FLOW. MUGGY OVER
NIGHT CONDITIONS WITH LOWS IN THE LOW TO MID 70S INLAND TO UPPER
70S COAST. SHALLOW PATCHY GROUND FOG POSSIBLE.

&&

.AVIATION...MVFR CONDITIONS IN EVENING TSTORMS THEN PREVAILING VFR
AFTER MIDNIGHT. PREVAILING VFR TUE THEN ANOTHER ROUND OF AFTN
TSTORMS TUE AFTERNOON WITH HIGHEST PROBABILITIES AT THIS TIME NEAR
GNV AND INCLUDED VCTS AROUND 18Z.

&&

.MARINE...SSW WINDS 10-15 KTS WITH COMBINED SEAS 2-3 FT...UP TO 4
FT NEAR THE GULF STREAM. GUSTY WINDS FROM TSTORM ACTIVITY INLAND
POSSIBLE EARLY THIS EVENING.

RIP CURRENTS: LOW RISK TUE.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  74  96  74  97 /  70  40  20  40
SSI  78  91  78  90 /  20  30  30  30
JAX  75  96  76  95 /  60  30  30  30
SGJ  76  92  75  89 /  20  20  20  30
GNV  73  96  74  95 /  60  40  40  40
OCF  74  95  75  95 /  50  40  40  40

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...NONE.
&&

ENYEDI/NELSON/PETERSON/WALKER

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
518 AM EDT MON JUN 22 2015

AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-124-125-
GAZ132>136-149>154-162>166-230930-
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT
20 NM-
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT
20 NM-
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
WATERS FROM ALTAMAHA SOUND GA TO FERNANDINA BEACH FL FROM 20 TO
60 NM-
WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL FROM 20 TO 60 NM-
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-
HAMILTON-SUWANNEE-COLUMBIA-BAKER-INLAND NASSAU-INLAND DUVAL-UNION-
BRADFORD-CLAY-ST. JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-
COASTAL NASSAU-COASTAL DUVAL-COFFEE-JEFF DAVIS-BACON-APPLING-
WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY-INLAND GLYNN-COASTAL GLYNN-
ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN-COASTAL CAMDEN-
518 AM EDT MON JUN 22 2015

...ISOLATED STRONG TO SEVERE STORMS POSSIBLE LATE THIS AFTERNOON
INTO THIS EVENING...

...WIDESPREAD HEAT INDICES AROUND 105 DEGREES AGAIN TODAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST FLORIDA...
SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT...

HOT TEMPERATURES INTO THE 95 TO 100 DEGREE RANGE THIS AFTERNOON
WILL PRODUCE WIDESPREAD HEAT INDICES AROUND 105 DEGREES AREA-WIDE.
USE EXTRA CAUTION WHEN OUTDOORS IN THE HEAT.

THUNDERSTORMS WILL BECOME SCATTERED TO POSSIBLY NUMEROUS LATE THIS
AFTERNOON THROUGH THIS EVENING WITH THE HIGHEST CONCENTRATION OF
STORMS EXPECTED TO OCCUR GENERALLY BETWEEN HIGHWAY 301 AND THE
I-95 CORRIDOR. A FEW SEVERE STORMS WILL BE POSSIBLE WITH GUSTY
WINDS AROUND 60 MPH ALONG WITH SMALL HAIL AND FREQUENT LIGHTNING.
SLOWER MOVING STORMS WILL PRODUCE LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

HEAT INDEX VALUES NEAR 105 DEGREES EACH AFTERNOON.

SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED
EACH DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE REQUESTED TO SELF-ACTIVATE IF WARNINGS ARE ISSUED
FOR THEIR LOCATIONS.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.

JDS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
836 PM EDT MON JUN 22 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0815 PM     TSTM WND DMG     4 NW NORMANDY           30.35N 81.81W
06/22/2015                   DUVAL              FL   911 CALL CENTER

            POWER LINES WERE BLOWN DOWN ON THE WESTSIDE.

&&

AENYEDI

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
837 PM EDT MON JUN 22 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0826 PM     HAIL             2 NW NORMANDY           30.33N 81.78W
06/22/2015  E0.75 INCH       DUVAL              FL   TRAINED SPOTTER

0816 PM     HAIL             2 NW NORMANDY           30.33N 81.78W
06/22/2015  E0.88 INCH       DUVAL              FL   TRAINED SPOTTER

&&

AWALKER

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
842 PM EDT MON JUN 22 2015

FLZ037-040-230130-
MARION FL-PUTNAM FL-
842 PM EDT MON JUN 22 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PUTNAM AND EAST
CENTRAL MARION COUNTIES UNTIL 930 PM EDT...

AT 842 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
LAKE GEORGE...OR NEAR SALT SPRINGS...MOVING NORTH AT 10 MPH.

EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 40 TO 50 MPH
CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE.

LOCATIONS IMPACTED INCLUDE...
SALT SPRINGS...JUNIPER SPRINGS AND GEORGETOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 2940 8181 2942 8155 2936 8155 2932 8168
      2930 8167 2929 8165 2928 8164 2914 8164
      2911 8177
TIME...MOT...LOC 0042Z 165DEG 9KT 2927 8167

NELSON

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
854 PM EDT MON JUN 22 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0853 PM     TSTM WND GST     JACKSONVILLE INTL ARPT  30.48N 81.71W
06/22/2015  M65 MPH          DUVAL              FL   ASOS

&&

AENYEDI

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
857 PM EDT MON JUN 22 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0856 PM     HAIL             JACKSONVILLE INTL ARPT  30.48N 81.71W
06/22/2015  M0.25 INCH       DUVAL              FL   NWS EMPLOYEE

&&

AENYEDI

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