Alert archive / Florida / Wind Advisories in 2012

Wind Advisory 6, NWS Jacksonville, FL

April 6, 2012Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this wind advisory at Apr 6, 2012, 3:35 AM EDT for Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It took effect at Apr 6, 2012, 2:00 PM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 6, 2012, 3:35 AM EDT (07:35 UTC)
In effect from
Apr 6, 2012, 2:00 PM EDT
Expired
Apr 6, 2012, 11:00 PM EDT
In force
9 hr
Issued by
NWS Jacksonville, FL

Counties Flagler County, FL, Nassau County, FL, Camden County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 17 km from the middle of the area, began a volume at 07:35 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

Jacksonville, FL (KJAX), launched 00:00Z, 7.6 hours before the alert went out and 16 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 00:00Z on 2012-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 2012-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.19395878Sfc1 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
42 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
1534 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

576 
WWUS72 KJAX 060735
NPWJAX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
335 AM EDT FRI APR 6 2012

FLZ024-025-033-038-GAZ154-166-070300-
/O.NEW.KJAX.WI.Y.0006.120406T1800Z-120407T0300Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-COASTAL GLYNN-COASTAL CAMDEN-
INCLUDING THE CITIES OF...FERNANDINA BEACH...JACKSONVILLE...
ST AUGUSTINE...PALM COAST...BRUNSWICK...ST MARYS
335 AM EDT FRI APR 6 2012

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM
EDT THIS EVENING. 

* TIMING...WINDS WILL INCREASE THIS AFTERNOON FROM THE NORTHEAST
  TO 25 MPH WITH GUSTS TO 40 MPH. WINDS WILL DECREASE BELOW 25 MPH
  LATE THIS EVENING BY MIDNIGHT.

* WINDS...NORTHEAST WINDS OF 25 MPH WITH GUSTS TO 40 MPH ARE
  EXPECTED.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING
  DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. THOSE IN WIND
  SENSITIVE OUTDOOR WORK RELATED ACTIVITIES SHOULD USE EXTRA
  CAUTION OR POSTPONE ACTIVITIES UNTIL THE WINDS SUBSIDE. SMALL
  TWIGS AND TREE BRANCHES WILL ALSO BE BLOWN OFF TREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 25 TO 39 MPH
ARE EXPECTED FOR AT LEAST AN HOUR...WITH GUSTS OF 40 TO 57 MPH OR
GREATER AT ANY TIME. 

MINOR DAMAGE TO TREES...POWER LINES...AND PROPERTY ARE POSSIBLE
WITH WIND OF THIS MAGNITUDE. 

MOTORISTS IN HIGH PROFILES VEHICLES ARE ADVISED TO USE CAUTION
UNTIL THE WIND SUBSIDES. 

STRONG WINDS CAN TOPPLE TREES...BLOW WEAKENED ROOFS OFF HOUSES...
AND DOWN POWER LINES. TAKE PRECAUTIONS TO SECURE TRASH CANS...
LAWN FURNITURE...AND ANY OTHER LOOSE OUTDOOR OBJECTS.

&&

$$

GAZ132>136-151>153-165-062300-
/O.NEW.KJAX.LW.Y.0018.120406T1800Z-120406T2300Z/
COFFEE-JEFF DAVIS-BACON-APPLING-WAYNE-PIERCE-BRANTLEY-
INLAND GLYNN-INLAND CAMDEN-
INCLUDING THE CITIES OF...DOUGLAS...HAZLEHURST...ALMA...BAXLEY...
JESUP...BLACKSHEAR...NAHUNTA...WOODBINE
335 AM EDT FRI APR 6 2012

...LAKE WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A LAKE
WIND ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO
7 PM EDT THIS EVENING. 

* TIMING...WINDS WILL INCREASE THIS AFTERNOON FROM THE NORTHEAST
  TO 20 MPH WITH GUSTS TO 35 MPH. WINDS WILL DECREASE BELOW 20 MPH
  LATE THIS EVENING BY MIDNIGHT.

* WINDS...NORTHEAST WINDS OF 20 MPH WITH GUSTS TO 35 MPH ARE
  EXPECTED. 

* IMPACTS...A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE
  ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE
  TO CAPSIZING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 20 TO
25 MPH OR GUSTS OF 30 TO 39 MPH ARE EXPECTED. SMALL BOATS WILL BE
ESPECIALLY PRONE TO CAPSIZING. BOATERS IN THE ADVISORY AREA
SHOULD AVOID OPEN WATER AND STAY CLOSE TO SHORE IN WIND PROTECTED
INLETS. HIGH PROFILE VEHICLES SHOULD USE EXTRA CAUTION WHEN
TRAVELING AS WELL.

&&

$$

FLZ032-037-070200-
/O.NEW.KJAX.LW.Y.0018.120406T2000Z-120407T0200Z/
CLAY-PUTNAM-
INCLUDING THE CITIES OF...GREEN COVE SPRINGS...PALATKA
335 AM EDT FRI APR 6 2012

...LAKE WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 PM
EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A LAKE
WIND ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 PM EDT THIS EVENING. 

* TIMING...WINDS WILL INCREASE THIS AFTERNOON FROM THE NORTHEAST
  TO 20 MPH WITH GUSTS TO 35 MPH. WINDS WILL DECREASE BELOW 20 MPH
  LATE THIS EVENING BY MIDNIGHT.

* WINDS...NORTHEAST WINDS OF 20 MPH WITH GUSTS TO 35 MPH ARE
  EXPECTED. 

* IMPACTS...A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE
  ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE
  TO CAPSIZING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 20 TO
25 MPH OR GUSTS OF 30 TO 39 MPH ARE EXPECTED. SMALL BOATS WILL BE
ESPECIALLY PRONE TO CAPSIZING. BOATERS IN THE ADVISORY AREA
SHOULD AVOID OPEN WATER AND STAY CLOSE TO SHORE IN WIND PROTECTED
INLETS. HIGH PROFILE VEHICLES SHOULD USE EXTRA CAUTION WHEN
TRAVELING AS WELL.

&&

$$

ENYEDI
1 follow-up statement
995 
WWUS72 KJAX 070009
NPWJAX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
809 PM EDT FRI APR 6 2012

GAZ154-166-070115-
/O.CAN.KJAX.WI.Y.0006.000000T0000Z-120407T0300Z/
COASTAL GLYNN-COASTAL CAMDEN-
INCLUDING THE CITIES OF...BRUNSWICK...ST MARYS
809 PM EDT FRI APR 6 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS CANCELLED THE
WIND ADVISORY. 

WINDS CONTINUE TO GRADUALLY DECREASE...THUS THE WIND ADVISORY IS
CANCELLED.

$$

FLZ032-037-070115-
/O.CAN.KJAX.LW.Y.0018.000000T0000Z-120407T0200Z/
CLAY-PUTNAM-
INCLUDING THE CITIES OF...GREEN COVE SPRINGS...PALATKA
809 PM EDT FRI APR 6 2012

...LAKE WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS CANCELLED THE
LAKE WIND ADVISORY. 

WINDS HAVE DECREASED...THUS THE LAKE WIND ADVISORY IS CANCELLED.

$$

FLZ024-025-033-038-070300-
/O.CON.KJAX.WI.Y.0006.000000T0000Z-120407T0300Z/
NASSAU-DUVAL-ST JOHNS-FLAGLER-
INCLUDING THE CITIES OF...FERNANDINA BEACH...JACKSONVILLE...
ST AUGUSTINE...PALM COAST
809 PM EDT FRI APR 6 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING...

* WINDS...NORTHEAST WINDS OF 20 MPH WITH GUSTS TO 40 MPH.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. THOSE IN WIND SENSITIVE 
  OUTDOOR WORK RELATED ACTIVITIES SHOULD USE EXTRA CAUTION OR 
  POSTPONE ACTIVITIES UNTIL THE WINDS SUBSIDE. SMALL TWIGS AND 
  TREE BRANCHES WILL ALSO BE BLOWN OFF TREES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 25 TO 39 MPH
ARE EXPECTED FOR AT LEAST AN HOUR...WITH GUSTS OF 40 TO 57 MPH OR
GREATER AT ANY TIME.

MINOR DAMAGE TO TREES...POWER LINES...AND PROPERTY ARE POSSIBLE
WITH WIND OF THIS MAGNITUDE.

MOTORISTS IN HIGH PROFILES VEHICLES ARE ADVISED TO USE CAUTION
UNTIL THE WIND SUBSIDES.

STRONG WINDS CAN TOPPLE TREES...BLOW WEAKENED ROOFS OFF HOUSES...
AND DOWN POWER LINES. TAKE PRECAUTIONS TO SECURE TRASH CANS...
LAWN FURNITURE...AND ANY OTHER LOOSE OUTDOOR OBJECTS.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 3:35 AM EDTLake Wind AdvisoryJAX17 hr
Apr 6, 4:14 AM EDTGale WarningJAX11 hr
Apr 6, 5:27 AM EDTFire Weather WatchJAXBaker, Bradford, Gilchrist, Nassau, Suwannee, Union22 hr
Apr 6, 5:19 PM EDTCoastal Flood AdvisoryJAXFlagler, Nassau6 hr

Nearby

Wind Advisories in Florida, 2012Wind Advisories in Georgia, 2012Every wind advisory 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.