Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Jacksonville, FL

June 14, 2012Suwannee County, Florida

NWS Jacksonville, FL issued this special weather statement at Jun 14, 2012, 2:39 PM EDT for Suwannee 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 outline as issued.

The facts

Issued
Jun 14, 2012, 2:39 PM EDT (18:39 UTC)
Expired
Jun 14, 2012, 3:30 PM EDT
In force
51 min
Issued by
NWS Jacksonville, FL

County Suwannee County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.7 hours before the alert went out and 125 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-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2012-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1863 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2012-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1863 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
755 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
-22 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 Jun 14, 2:15 PM EDT, 24 minutes earlier.

Area forecast discussion, Jun 14, 2:15 PM EDT, 24 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
215 PM EDT THU JUN 14 2012

.SHORT TERM /TONIGHT THROUGH FRIDAY/...
SHOWERS AND TSTMS ARE FIRING UP ALONG AND TO THE SOUTH OF A COLD
FRONTAL BOUNDARY STRETCHING FROM EXTREME SOUTHERN GA INTO NORTHEAST
FLORIDA. WILL USE NUMEROUS TSTMS GENERALLY SW OF JAX...WITH SCATTERED
POPS INTO SE GA THROUGH EARLY THIS EVENING. GIVEN STORM TRENDS AND
SLOW MOVEMENT...WILL INCLUDE HEAVY RAIN/GUSTY WINDS/SMALL HAIL
WORDING FOR THE HEAVIER ACTIVITY THROUGH EARLY THIS EVENING.
ANTICIPATE THE ACTIVITY WILL DIMINISH SOME INTO THE OVERNIGHT AS
HEATING IS LOST AND THE BOUNDARY CONTINUES TO PUSH TO THE SOUTH.
CONVECTION WILL BE LESSER IN COVERAGE FRIDAY AFTN AS THE BOUNDARY
PUSHES INTO CENTRAL FLORIDA. WILL USE ISOLATED TO LOW END SCATTERED
POPS FRIDAY AFTN MAINLY SOUTH OF GNV. EXPECT BREEZY/LOCALLY WINDY
NORTHEAST WINDS TO DEVELOP IN THE WAKE OF THE FRONT FRIDAY...WITH
TEMPERATURES COOLING TO SLIGHTLY BELOW NORMAL...ESPECIALLY FAR NE
FL AND SE GA.

.LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/...
DRIER AND COOLER CONDITIONS EXPECTED AS PERSISTENT ONSHORE FLOW
DEVELOPS WITH SFC HIGH PRESSURE NNE OF THE AREA AND TROUGHING TO OUR
SOUTH AND WEST. A LOW CHANCE OF COASTAL SHOWERS DURING THE LATE
NIGHT AND EARLY MORNING HOURS WILL TRANSLATE INLAND DURING THE DAY
WITH MOSTLY SILENT 10% POPS ADVERTISED...ALTHO AN INCREASED CHANCE
OF AN ISOLD AFTN/EVENING STORM WILL EXIST NEAR THE I-75 CORRIDOR BY
TUE AFTN. SKIES WILL BE MOSTLY CLEAR TO PARTLY CLOUDY.

HIGH TEMPS WILL BE IN THE LOW 80S NEAR THE COAST TO UPPER
80S/NEAR 90 TOWARD THE SUWANNEE RIVER VALLEY AND OVER INLAND SE GA.
LOWS WILL RANGE FROM THE LOW 60S INLAND WHERE DRIER AIR WILL
RESIDE...TO THE LOW 70S ALONG THE ATLANTIC COAST.

A TIGHT PRESSURE GRADIENT SAT MAY BRING LAKE WIND ADVISORY CONDITIONS
TO THE COAST AND ST JOHNS RIVER BASIN FOR SUSTAINED NEAR 20-25 MPH
WITH GUSTS NEAR 30 MPH. THE GRADIENT WILL RELAX INTO SUN AND MON
WITH BREEZY CONDITIONS EXPECTED WITH SPEEDS 15-20 MPH.

&&

.AVIATION...BEST CHANCES OF AFTERNOON AND EVENING THUNDERSTORM
ACTIVITY WILL BE AT GNV DUE TO PROXIMITY OF THE LINGERING FRONTAL
BOUNDARY TO THE TERMINAL. HAVE PREVAILING MVFR THERE...WITH TEMPO
MVFR DUE TO BKN CIGS AT VQQ...JAX AND CRG WHERE A SHOWER MAY NEAR
OVER THE NEXT SEVERAL HOURS...BUT THE CHANCE OF THUNDER WILL BE VERY
LOW. OVERNIGHT ONSHORE FLOW AROUND 5-10 KTS WILL KEEP SIGNIFICANT
FOG AT BAY BUT LOW MVFR CIGS MAY IMPACT A FEW SITES LATE TONIGHT.
FRI LOW PRECIP CHANCES BUT BREEZY ONSHORE FLOW EXPECTED ONCE AGAIN.

&&

.MARINE...
FRONTAL BOUNDARY WILL CONTINUE TO SLIDE SOUTH...EXITING TO THE SOUTH
FRIDAY. NE WINDS WILL CONTINUE TO INCREASE...TO SCEC OFFSHORE LATER
TONIGHT...WITH SCA CONDITIONS FRIDAY THROUGH THE WEEKEND. EXPECT
SCEC CONDITIONS NEARSHORE FRIDAY THROUGH THE WEEKEND. WITH WINDS
BECOMING NE AND INCREASING. WINDS/SEAS WILL SUBSIDE FOR THE FIRST
HALF OF NEXT WEEK.

RIP CURRENTS: MODERATE RISK THROUGH FRIDAY. POTENTIAL FOR HIGH RISK
THIS WEEKEND.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  66  88  63  87 /  30  10  10   0
SSI  73  83  71  83 /  10  10  10  10
JAX  67  85  66  85 /  30  10  10  10
SGJ  73  84  73  84 /  30  20  20  20
GNV  68  88  65  87 /  60  20  20  10
OCF  69  89  68  89 /  60  20  20  20

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...SMALL CRAFT ADVISORY FROM 11 AM FRIDAY TO 11 PM EDT SATURDAY FOR
     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.

&&

ALLEN/ENYEDI/CHASE
Hazardous weather outlook, Jun 14, 4:22 AM EDT, 10 hours 17 minutes before
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In the hours before

Local storm report, Jun 14, 10:21 AM EDT, 4 hours 18 minutes before
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Special weather statement, Jun 14, 12:46 PM EDT, 1 hour 53 minutes before
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Special weather statement, Jun 14, 1:15 PM EDT, 1 hour 24 minutes before
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Special weather statement, Jun 14, 1:34 PM EDT, 1 hour 5 minutes before
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Special weather statement, Jun 14, 2:39 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 8:03 PM EDTSpecial Weather StatementJAXPutnam27 min
Jun 13, 8:28 PM EDTSpecial Weather StatementJAXMarion32 min
Jun 13, 8:37 PM EDTSpecial Weather StatementJAXMarion23 min
Jun 13, 10:04 PM EDTSpecial Weather StatementJAXBaker26 min
Jun 13, 11:27 PM EDTSpecial Weather StatementJAXBaker33 min
Jun 13, 11:52 PM EDTSpecial Weather StatementJAXBradford28 min
Jun 14, 12:22 AM EDTSpecial Weather StatementJAXBradford23 min
Jun 14, 12:31 AM EDTSpecial Weather StatementJAXColumbia29 min
Jun 14, 2:17 AM EDTSpecial Weather StatementJAXSuwannee28 min
Jun 14, 3:55 AM EDTSmall Craft AdvisoryJAX66 hr
Jun 14, 12:46 PM EDTSpecial Weather StatementJAXHamilton44 min
Jun 14, 1:15 PM EDTSpecial Weather StatementJAXMarion60 min
Jun 14, 1:34 PM EDTSpecial Weather StatementJAXColumbia, Hamilton, Suwannee56 min
Jun 14, 1:57 PM EDTAreal Flood AdvisoryJAXHamilton, Suwannee2 hr
Jun 14, 2:43 PM EDTSpecial Weather StatementJAXAlachua47 min
Jun 14, 2:52 PM EDTAreal Flood AdvisoryJAXSuwannee3 hr
Jun 14, 2:59 PM EDTSpecial Weather StatementJAXGilchrist46 min
Jun 14, 3:14 PM EDTSpecial Weather StatementJAXLevy31 min
Jun 14, 3:27 PM EDTSpecial Weather StatementJAXGilchrist63 min
Jun 14, 3:32 PM EDTAreal Flood AdvisoryJAXAlachua, Columbia, Gilchrist, Suwannee3 hr
Jun 14, 3:32 PM EDTSpecial Weather StatementJAXAlachua28 min
Jun 14, 3:35 PM EDTSpecial Weather StatementJAXMarion25 min
Jun 14, 3:55 PM EDTSpecial Weather StatementJAXAlachua35 min
Jun 14, 4:08 PM EDTSpecial Weather StatementJAXAlachua37 min
Jun 14, 4:13 PM EDTAreal Flood AdvisoryJAXAlachua, Bradford, Columbia3 hr
Jun 14, 4:21 PM EDTAreal Flood AdvisoryJAXColumbia, Hamilton, Suwannee114 min
Jun 14, 4:21 PM EDTSpecial Weather StatementJAXColumbia39 min
Jun 13, 10:59 PM EDTSpecial Weather StatementJAXClinch31 min
Jun 13, 11:31 PM EDTSpecial Weather StatementJAXClinch29 min
Jun 14, 4:34 PM EDTSpecial Weather StatementJAXClinch26 min
Jun 14, 4:39 PM EDTAreal Flood AdvisoryJAXClinch, Echols2 hr
Jun 14, 4:54 PM EDTSpecial Weather StatementJAXClinch36 min
Jun 14, 5:28 PM EDTSpecial Weather StatementJAXClinch32 min
Jun 14, 5:45 PM EDTSpecial Weather StatementJAXAtkinson30 min
Jun 14, 5:56 PM EDTAreal Flood AdvisoryJAXClinch, Echols2 hr
Jun 14, 6:28 PM EDTSpecial Weather StatementJAXJeff Davis47 min
Jun 14, 6:34 PM EDTSpecial Weather StatementJAXJeff Davis41 min
Jun 14, 7:09 PM EDTSevere Thunderstorm WarningJAXAppling, Coffee, Jeff Davis51 min

Nearby

Special Weather Statements in Florida, 2012Every 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.