Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Jacksonville, FL

July 2, 20126 counties in Florida

NWS Jacksonville, FL issued this special weather statement at Jul 2, 2012, 12:09 AM EDT for 6 counties in Florida. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 2, 2012, 12:09 AM EDT (04:09 UTC)
Expired: Jul 2, 2012, 1:15 AM EDT
In force: 66 min
Issued by: NWS Jacksonville, FL

Counties Baker County, FL, Bradford County, FL, Clay County, FL, Duval County, FL, Saint Johns County, FL, Union County, FL

The radar

The Jacksonville radar (KJAX), 41 km from the middle of the area, began a volume at 04:09 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.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 4.2 hours before the alert went out and 43 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 4879 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1081 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -36 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 1, 8:01 PM EDT, 4 hours 8 minutes earlier.

Area forecast discussion, Jul 1, 8:01 PM EDT, 4 hours 8 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
801 PM EDT SUN JUL 1 2012

.UPDATE...THUNDERSTORMS OVER CENTRAL GA ARE DROPPING SOUTH INTO SE
GA THIS EVENING. STRONG GUSTY WINDS AND FREQUENT LIGHTNING WILL
OCCUR OVER ALTAMAHA RIVER AREA BEFORE WEAKENING OCCURS. WILL UP
POPS OVER SE GA THIS EVENING. ANTOHER EXCESSIVE HEAT WATCH IN
EFFECT FOR SE GA MONDAY.

&&

.AVIATION...MOSTLY VFR THROUGH MONDAY. HAVE VCTS AT SSI FOR THIS
EVENING AS CONVECTION MAY COME CLOSE.

&&

.MARINE...SW WINDS NEAR 15 KNOTS WITH SEAS 2 TO 3 FEET TO
CONTINUE.

RIP CURRENTS: LOW RISK

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  76  97  76  96 /  20  20  20  20
SSI  80  91  78  96 /  20  20  20  20
JAX  75  97  75  96 /  10  20  10  10
SGJ  75  94  75  93 /  10  10  10  10
GNV  72  93  72  93 /  10  10  10  10
OCF  72  94  72  93 /  10  10  10  20

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.

GA...EXCESSIVE HEAT WATCH FROM MONDAY AFTERNOON THROUGH MONDAY
     EVENING FOR APPLING-ATKINSON-BACON-BRANTLEY-COASTAL GLYNN-
     COFFEE-INLAND GLYNN-JEFF DAVIS-PIERCE-WAYNE.

AM...NONE.

&&

ZIBURA/NELSON

Hazardous weather outlook, Jul 1, 8:05 PM EDT, 4 hours 4 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
805 PM EDT SUN JUL 1 2012

AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-
GAZ132>136-149>154-162>166-030015-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL OUT 20 NM-
FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20 NM-
ST AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE-
FERNANDINA BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE-
ST AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE-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-
805 PM EDT SUN JUL 1 2012

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

...SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT FOR SOUTHEAST
GEORGIA...

...RIVER FLOOD WARNINGS FOR THE ST. MARYS RIVER...SUWANNEE RIVER AND
SANTA FE RIVER...

...EXCESSIVE HEAT WATCH FOR NORTHERN PORTIONS OF SOUTHEAST GEORGIA
MONDAY AFTERNOON...

...HOT AND HUMID CONDITIONS CONTINUE THROUGH EARLY IN THE WEEK...

.DAY ONE...TONIGHT...

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST
GEORGIA. A SQUALL LINE OF THUNDERSTORMS WILL MOVE SOUTHWARD INTO
PORTIONS OF SOUTHEAST GEORGIA THIS EVENING. THE PRIMARY THREATS
WITH THIS ACTIVITY WILL BE DAMAGING WIND GUSTS AND EXCESSIVE
LIGHTNING STRIKES.

HISTORIC RIVER FLOODING IS ONGOING ALONG THE ALONG THE ST. MARYS
RIVER IN PORTIONS OF BAKER...NASSAU...CAMDEN...AND CHARLTON COUNTIES.

MAJOR FLOODING IS CURRENTLY ONGOING ALONG THE SUWANNEE RIVER IN
PORTIONS OF COLUMBIA AND HAMILTON COUNTIES.

MAJOR FLOODING IS FORECAST ALONG THE SANTA FE RIVERS IN PORTIONS OF
ALACHUA...BRADFORD...COLUMBIA...GILCHRIST...SUWANNEE...AND UNION
COUNTIES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

HOT AND HUMID CONDITIONS WITH HIGH TEMPERATURES REACHING 95 TO 100
DEGREES WILL CONTINUE MONDAY. HEAT INDICES WILL APPROACH THE 108
TO 115 DEGREE RANGE. AN EXCESSIVE HEAT WATCH IS IN EFFECT MONDAY
AFTERNOON FOR NORTHERN PORTIONS OF SOUTHEAST GEORGIA. HEAT
ADVISORIES MAY BE REQUIRED FOR OTHER LOCATIONS.

ISOLATED TO SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS
WILL BE POSSIBLE THROUGHOUT THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME.

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

NELSON

In the hours before

Special weather statement, Jul 1, 11:02 PM EDT, 1 hour 7 minutes before

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Local storm report, Jul 1, 11:09 PM EDT, 1 hour before

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Special weather statement, Jul 1, 11:17 PM EDT, 52 minutes before

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Special weather statement, Jul 1, 11:43 PM EDT, 26 minutes before

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Special weather statement, Jul 1, 11:43 PM EDT, 26 minutes before

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Special weather statement, Jul 2, 12:09 AM EDT, 0 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 1, 10:19 PM EDT	Special Marine Warning	JAX		86 min
Jul 1, 10:59 PM EDT	Severe Thunderstorm Warning	JAX	Baker, Duval, Nassau	46 min
Jul 1, 11:19 PM EDT	Special Marine Warning	JAX		116 min
Jul 1, 11:43 PM EDT	Special Weather Statement	JAX	Baker, Duval, Nassau	32 min
Jul 2, 12:17 AM EDT	Special Weather Statement	JAX	Columbia, Suwannee	58 min
Jul 2, 1:08 AM EDT	Special Marine Warning	JAX		2 hr
Jul 2, 1:10 AM EDT	Special Weather Statement	JAX	Alachua, Gilchrist	50 min
Jul 2, 3:57 AM EDT	Heat Advisory	JAX	Baker, Nassau	10 hr
Jul 2, 2:33 PM EDT	Special Weather Statement	JAX	Marion	42 min
Jul 2, 4:21 PM EDT	Special Weather Statement	JAX	Marion	24 min
Jul 2, 4:54 PM EDT	Special Weather Statement	JAX	Marion	51 min
Jul 2, 5:02 PM EDT	Severe Thunderstorm Warning	JAX	Marion, Putnam	43 min
Jul 2, 5:22 PM EDT	Special Weather Statement	JAX	Flagler	53 min
Jul 2, 5:35 PM EDT	Severe Thunderstorm Warning	JAX	Flagler, Putnam	40 min
Jul 2, 5:38 PM EDT	Special Weather Statement	JAX	Putnam	52 min
Jul 2, 5:50 PM EDT	Special Weather Statement	JAX	Alachua	40 min
Jul 2, 6:05 PM EDT	Severe Thunderstorm Warning	JAX	Putnam	40 min
Jul 2, 6:15 PM EDT	Special Weather Statement	JAX	Clay	45 min
Jul 2, 6:22 PM EDT	Special Weather Statement	JAX	Marion	53 min
Jul 2, 6:39 PM EDT	Severe Thunderstorm Warning	JAX	Marion	29 min
Jul 2, 6:45 PM EDT	Areal Flood Advisory	JAX	Marion	60 min
Jul 2, 6:48 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Bradford, Clay, Putnam	42 min
Jul 2, 6:56 PM EDT	Special Weather Statement	JAX	Marion	49 min
Jul 2, 7:10 PM EDT	Areal Flood Advisory	JAX	Clay, Putnam	65 min
Jul 1, 8:34 PM EDT	Special Weather Statement	JAX	Appling, Jeff Davis	41 min
Jul 1, 8:47 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Jeff Davis	43 min
Jul 1, 9:30 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Jeff Davis, Wayne	45 min
Jul 1, 9:52 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Atkinson, Bacon, Brantley, Coffee, Pierce and 2 more	38 min
Jul 1, 10:23 PM EDT	Severe Thunderstorm Warning	JAX	Brantley, Camden, Glynn, Wayne	52 min
Jul 1, 10:36 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Clinch, Ware	39 min
Jul 1, 10:43 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Brantley, Charlton, Pierce, Ware, Wayne	28 min
Jul 1, 11:02 PM EDT	Special Weather Statement	JAX	Clinch, Echols	58 min
Jul 1, 11:17 PM EDT	Special Weather Statement	JAX	Camden, Glynn	28 min
Jul 2, 3:57 AM EDT	Excessive Heat Warning	JAX	Appling, Atkinson, Bacon, Brantley, Clinch, Coffee and 5 more	10 hr

Nearby

Special Weather Statements in Florida, 2012 Every special weather statement in 2012

Sources

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