Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Jacksonville, FL

March 25, 2016Flagler County, Florida

NWS Jacksonville, FL issued this special weather statement at Mar 25, 2016, 12:34 AM EDT for Flagler County, Florida. It was in force for 56 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: Mar 25, 2016, 12:34 AM EDT (04:34 UTC)
Expired: Mar 25, 2016, 1:30 AM EDT
In force: 56 min
Issued by: NWS Jacksonville, FL

County Flagler County, FL

The radar

The Jacksonville radar (KJAX), 123 km from the middle of the area, began a volume at 04:35 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 4.6 hours before the alert went out and 130 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: 612 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 711 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 5.7

Open this sounding in Storm Lab

The text

As transmitted.

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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 Mar 24, 9:13 PM EDT, 3 hours 21 minutes earlier.

Area forecast discussion, Mar 24, 9:13 PM EDT, 3 hours 21 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
913 PM EDT THU MAR 24 2016

.UPDATE...LATEST RADAR IMAGERY SHOWS SQUALL LINE CONTINUING
EASTWARD PUSH OVER OUR FAR WESTERN COUNTIES WHILE GRADUALLY
WEAKENING. LARGE STRATIFORM AREA BEHIND LINE IS ALSO STARTING
TO DECREASE IN COVERAGE. LATEST HRRR CONTINUES TO SPREAD LARGE
AREA OF PRECIP ACROSS FORECAST AREA 02Z-08Z...WHICH MAY BE A
BIT OVERDONE AS WE COULD SEE GREATER DECREASE IN
COVERAGE/INTENSITY AS ACTIVITY MOVES OVER MORE STABLE AREA IN
THE EASTERN HALF OF OUR GA COUNTIES. HAVE ADJUSTED HOURLY POP
TREND TO REFLECT HIGH VALUES OVER THE WESTERN PART OF FORECAST
AREA NEXT FEW HOURS... THEN SPREADING EAST AND SOUTHEAST...WHILE
GRADUALLY DECREASING IN COVERAGE.

SCATTERED T-STORMS DEVELOPED...POSSIBLY WITH SOME HAIL...OVER OUR
SE COUNTIES EARLY THIS EVENING...BUT IS ALSO ON WEAKENING TREND.

&&

.AVIATION...VFR CONDITIONS THIS EVENING...BUT DECREASE TO MVFR
AS AREA OF SHOWERS/ISOLATED TSRA SPREADS IN LATER TONIGHT.

&&

.MARINE...SURFACE HIGH OVER THE WESTERN ATLANTIC AND AN APPROACHING
COLD FRONT TO THE WEST WILL MAINTAIN MOSTLY S TO SE WINDS THROUGH
THE WEEKEND. SHOWERS AND ISOLATED THUNDERSTORMS WILL BE POSSIBLE
TONIGHT EXTENDING THROUGH THE WEEKEND AS THE FRONT STALLS OVER
THE AREA. WINDS WILL INCREASE TO SCEC CRITERIA OFFSHORE TONIGHT.

RIP CURRENTS: LOW RISK FOR SOUTHEAST GEORGIA AND MODERATE RISK
FOR NORTHEAST FLORIDA BEACHES THROUGH FRIDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  64  79  64  76 /  80  70  40  40
SSI  64  76  64  73 /  60  70  40  50
JAX  65  83  66  77 /  60  60  40  50
SGJ  66  83  67  76 /  60  60  40  40
GNV  65  82  67  78 /  80  60  50  50
OCF  65  82  67  81 /  60  60  40  50

&&

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

WOLF/GUILLET/WALKER

Hazardous weather outlook, Mar 24, 3:18 PM EDT, 9 hours 16 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
318 PM EDT THU MAR 24 2016

AMZ450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-124-125-
GAZ132>136-149>154-162>166-251930-
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-
318 PM EDT THU MAR 24 2016

...A FEW STRONG TO SEVERE STORMS POSSIBLE ON FRIDAY...

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

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

ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE LATE TODAY AND
TONIGHT ACROSS NORTHEAST FLORIDA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

SCATTERED THUNDERSTORMS ARE POSSIBLE FRIDAY THROUGH EARLY NEXT WEEK
ASSOCIATED WITH A MEANDERING FRONTAL BOUNDARY. A FEW STRONG TO
SEVERE STORMS ARE POSSIBLE ON FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Local storm report, Mar 24, 11:15 PM EDT, 1 hour 19 minutes before

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Local storm report, Mar 24, 11:42 PM EDT, 52 minutes before

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Local storm report, Mar 24, 11:50 PM EDT, 44 minutes before

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Local storm report, Mar 24, 11:55 PM EDT, 39 minutes before

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Special weather statement, Mar 25, 12:07 AM EDT, 27 minutes before

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Special weather statement, Mar 25, 12:34 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
Mar 24, 8:02 PM EDT	Special Weather Statement	JAX	Marion	43 min
Mar 24, 8:30 PM EDT	Severe Thunderstorm Warning	JAX	Marion	30 min
Mar 24, 8:36 PM EDT	Special Weather Statement	JAX	Putnam	39 min
Mar 24, 8:56 PM EDT	Special Weather Statement	JAX	Columbia, Hamilton, Suwannee	49 min
Mar 24, 9:42 PM EDT	Special Weather Statement	JAX	Baker, Columbia	48 min
Mar 24, 9:52 PM EDT	Severe Thunderstorm Warning	JAX	Baker, Columbia, Nassau	38 min
Mar 24, 10:01 PM EDT	Special Weather Statement	JAX	Gilchrist, Union	29 min
Mar 24, 10:35 PM EDT	Special Weather Statement	JAX	Alachua	40 min
Mar 24, 10:41 PM EDT	Special Weather Statement	JAX	Nassau	49 min
Mar 24, 10:52 PM EDT	Special Marine Warning	JAX		113 min
Mar 24, 11:04 PM EDT	Special Weather Statement	JAX	Clay, Duval	41 min
Mar 25, 12:07 AM EDT	Special Weather Statement	JAX	Saint Johns	53 min
Mar 25, 12:46 AM EDT	Special Marine Warning	JAX		89 min
Mar 24, 8:43 PM EDT	Special Weather Statement	JAX	Atkinson, Coffee, Jeff Davis	47 min
Mar 24, 9:32 PM EDT	Special Weather Statement	JAX	Bacon, Pierce	43 min

Nearby

Special Weather Statements in Florida, 2016 Every special weather statement in 2016

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.