Alert archive / Florida / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 281, NWS Jacksonville, FL

July 4, 2008Baker County, Bradford County, Union County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 4, 2008, 8:09 PM EDT for Baker County, Bradford County, Union County, Florida. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 4, 2008, 8:09 PM EDT (00:09 UTC)
Expired: Jul 4, 2008, 9:00 PM EDT
In force: 51 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon

Counties Baker County, FL, Bradford County, FL, Union County, FL

The radar

The Jacksonville radar (KJAX), 69 km from the middle of the area, began a volume at 00:10 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 2:44 PM EDT, 5 hours 25 minutes earlier.

Area forecast discussion, Jul 4, 2:44 PM EDT, 5 hours 25 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
244 PM EDT FRI JUL 4 2008

.SHORT TERM...TONIGHT THROUGH MONDAY...

STEADILY INCREASING RAIN CHANCES OVER THE WEEKEND INTO EARLY NEXT
WEEK AS LIGHT AND VARIABLE SFC TO 500MB FLOW BECOMES SOUTH AT 15
KNOTS AND MORE MOIST BY SUNDAY AND MONDAY. SCTD TSTMS WITH 30-50%
POPS ARE EXPECTED THE REMAINDER OF THE AFTERNOON TODAY WITH VERY
SLOW SEA BREEZES MOVING INLD BUT THE BULK OF THE ACTIVITY SHOULD
SETTLE DOWN BY SUNSET. OTHERWISE POPS WILL REMAIN IN THE 30-50%
RANGE ON SATURDAY THEN INCREASE INTO THE 50-60% RANGE ON SUNDAY
AND MONDAY ALTHOUGH I HAVE CAPPED THEM AT 54% TO STAY WITHIN
COLLABORATION THRESHOLDS WITH OTHER OFFICES. SLOW MOVING ACTIVITY
WILL ENHANCE THE LOCALLY HEAVY RAINFALL THREAT THE NEXT SEVERAL
DAYS AND COOL 500MB TEMPS WILL KEEP THE POSSIBILITY OF STRONG
WINDS AND HAIL THROUGH THE WEEKEND. NEAR NORMAL TEMPS WILL
CONTINUE WITH HIGHS ARND 90 AND LOWS NEAR 70.

.LONG TERM...TUESDAY THROUGH FRIDAY...

DEEP AND MOIST SOUTHERLY FLOW ON TUE AND WED WILL WEAKEN AND BE
REPLACED BY STRONGER RIDGING AND DRIER AIR ALOFT AND THIS WILL
LEAD TO 50-60% POPS ON TUE/WED DECREASING TO 30-50% ON THU/FRI.
TEMPS AGAIN WILL CONTINUE VERY CLOSE TO CLIMO VALUES.

&&

.AVIATION...HAVE PUT IN VCTS AND TEMPO TSRA FOR TAFS SITES AS
SCATTERED THUNDERSTORMS DEVELOP ALONG INLAND MOVING SEABREEZES.
ACTIVITY SHOULD DECREASE AROUND 00Z WITH VFR TO PREVAIL OUTSIDE OF
SHOWER ACTIVITY.

&&

.MARINE...QUIET CONDITIONS TO CONTINUE THE NEXT FEW DAYS AS SURFACE
RIDGE REMAINS OVER THE WATERS. LIGHT SOUTHWEST WINDS AT NIGHT WILL
SHIFT TO THE SOUTHEAST DUE TO AFTERNOON SEABREEZES. SEAS WILL REMAIN
MOSTLY IN 1 TO 3 FOOT RANGE.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  92  69  93  71 /  40  20  40  40
SSI  86  73  88  74 /  30  10  30  20
JAX  89  70  91  72 /  40  10  40  20
SGJ  85  71  89  72 /  40  10  30  20
GNV  90  69  92  70 /  50  20  50  20
OCF  88  69  91  70 /  50  30  50  30

&&

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

HESS/ZIBURA/KEEGAN

Hazardous weather outlook, Jul 4, 2:45 PM EDT, 5 hours 24 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
245 PM EDT FRI JUL 4 2008

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-050945-
HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY-
ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE-
JEFF DAVIS-BACON-APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY-
INLAND GLYNN-COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN-
COASTAL CAMDEN-
245 PM EDT FRI JUL 4 2008

THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN TODAY WITH
THE GREATEST COVERAGE TO BE SOUTH OF THE INTERSTATE 10 CORRIDOR AND
OVER INLAND PORTIONS. ALTHOUGH ISOLATED SEVERS WEATHER IS EXPECTED IN
THE FROM OF LARGE HAIL AND POSSIBLE DOWNBURSTS...HEAVY RAINFALL
CONTINUES TO BE THE MAIN CONCERN DUE TO SLOW STORM MOVEMENT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

INCREASED MOISTURE WILL LEAD TO HIGHER THUNDERSTORM CHANCES BY THE
LATTER HALF OF THE WEEKEND INTO EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

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

DEESE/HESS

In the hours before

Special weather statement, Jul 4, 6:41 PM EDT, 1 hour 28 minutes before

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Special weather statement, Jul 4, 6:47 PM EDT, 1 hour 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
647 PM EDT FRI JUL 4 2008

FLZ022-023-042330-
BAKER-COLUMBIA-
647 PM EDT FRI JUL 4 2008

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR EXTREME WESTERN
BAKER AND NORTHEASTERN COLUMBIA COUNTIES FOR STRONG WINDS...SMALL
HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 730 PM EDT...

AT 647 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED 16 MILES NORTHEAST OF LAKE CITY...WITH
LITTLE MOVEMENT. THIS STRONG THUNDERSTORM WILL CONTINUE TO AFFECT
RURAL AREAS THROUGH 730 PM EDT. HAIL UP TO ONE HALF INCH IN
DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45
TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. HEAVY
RAINFALL WILL PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR
FLOODING OF LOW-LYING AREAS.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

ZAPPE

Special weather statement, Jul 4, 7:10 PM EDT, 59 minutes before

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Special weather statement, Jul 4, 7:36 PM EDT, 33 minutes before

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Special weather statement, Jul 4, 7:48 PM EDT, 21 minutes before

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Special weather statement, Jul 4, 8:04 PM EDT, 5 minutes before

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The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 5, 6:03 PM EDT	Special Marine Warning	JAX		87 min
Jul 5, 6:39 PM EDT	Special Marine Warning	JAX		66 min
Jul 5, 7:16 PM EDT	Severe Thunderstorm Warning	JAX	Clay, Saint Johns	42 min
Jul 5, 7:44 PM EDT	Areal Flood Advisory	JAX	Clay	2 hr
Jul 5, 7:57 PM EDT	Severe Thunderstorm Warning	JAX	Clay	35 min
Jul 5, 4:59 PM EDT	Areal Flood Advisory	JAX	Coffee, Jeff Davis	2 hr
Jul 5, 5:05 PM EDT	Severe Thunderstorm Warning	JAX	Coffee, Jeff Davis	40 min
Jul 5, 5:46 PM EDT	Severe Thunderstorm Warning	JAX	Glynn	44 min
Jul 5, 5:51 PM EDT	Severe Thunderstorm Warning	JAX	Bacon	39 min
Jul 5, 6:00 PM EDT	Areal Flood Advisory	JAX	Brantley, Glynn, Wayne	2 hr
Jul 5, 6:03 PM EDT	Tornado Warning	JAX	Glynn	13 min
Jul 5, 6:09 PM EDT	Severe Thunderstorm Warning	JAX	Appling	21 min
Jul 5, 6:22 PM EDT	Severe Thunderstorm Warning	JAX	Camden, Glynn	21 min

Nearby

Severe Thunderstorm Warnings in Florida, 2008 Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.