Alert archive / Florida / Wind Advisories in 2017

Wind Advisory 13, NWS Jacksonville, FL

October 5, 2017Duval County, Flagler County, Nassau County, Florida

NWS Jacksonville, FL issued this wind advisory at Oct 5, 2017, 11:14 AM EDT for Duval County, Flagler County, Nassau County, Florida. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Oct 5, 2017, 11:14 AM EDT (15:14 UTC)
Expired
Oct 5, 2017, 2:34 PM EDT
In force
3 hr
Issued by
NWS Jacksonville, FL

Counties Duval County, FL, Flagler County, FL, Nassau County, FL

The radar

The Jacksonville radar (KJAX), 40 km from the middle of the area, began a volume at 15:17 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 12:00Z, 3.2 hours before the alert went out and 42 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 2017-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 289 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 12:00Z on 2017-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
289 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

619 
WWUS72 KJAX 051514
NPWJAX

URGENT - WEATHER MESSAGE
National Weather Service Jacksonville FL
1114 AM EDT Thu Oct 5 2017


FLZ024-025-032-033-037-038-124-125-060000-
/O.NEW.KJAX.WI.Y.0013.171005T1514Z-171006T0000Z/
Inland Nassau-Inland Duval-Clay-St. Johns-Putnam-Flagler-
Coastal Nassau-Coastal Duval-
Including the cities of Ratliff, Hilliard, Kings Ferry, 
Bryceville, Normandy, Ortega, Riverside, San Marco, 
Doctors Inlet, Lakeside, Bellair, Middleburg, Orange Park, 
Ponte Vedra Beach, Durbin, Palm Valley, Fruit Cove, Switzerland, 
Anastasia, Bakersville, Bostwick, Carraway, Palatka, Palm Coast, 
Amelia City, Fernandina Beach, Yulee, Arlington, Jacksonville, 
Oceanway, and Tallyrand
1114 AM EDT Thu Oct 5 2017

...WIND ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

The National Weather Service in Jacksonville has issued a Wind
Advisory, which is in effect until 8 PM EDT this evening. 

* TIMING...through 8 pm edt this evening.

* WINDS...Northeast 15 to 25 mph, with gusts to 40 mph.

* IMPACTS...Minor damage to trees, power lines, and property are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory is issued when sustained winds greater than
25 mph are expected for at least an hour, with gusts of 35 to
57 mph 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.

persons in the advisory area should keep abreast of the latest
weather.

&&

$$
1 follow-up statement
341 
WWUS72 KJAX 051834
NPWJAX

URGENT - WEATHER MESSAGE
National Weather Service Jacksonville FL
234 PM EDT Thu Oct 5 2017

FLZ024-025-032-033-037-038-124-125-051945-
/O.CAN.KJAX.WI.Y.0013.000000T0000Z-171006T0000Z/
Inland Nassau-Inland Duval-Clay-St. Johns-Putnam-Flagler-
Coastal Nassau-Coastal Duval-
Including the cities of Ratliff, Hilliard, Kings Ferry, 
Bryceville, Normandy, Ortega, Riverside, San Marco, 
Doctors Inlet, Lakeside, Bellair, Middleburg, Orange Park, 
Ponte Vedra Beach, Durbin, Palm Valley, Fruit Cove, Switzerland, 
Anastasia, Bakersville, Bostwick, Carraway, Palatka, Palm Coast, 
Amelia City, Fernandina Beach, Yulee, Arlington, Jacksonville, 
Oceanway, and Tallyrand
234 PM EDT Thu Oct 5 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Jacksonville has cancelled the
Wind Advisory. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 5, 3:34 AM EDTCoastal Flood AdvisoryJAXNassau40 hr

Nearby

Wind Advisories in Florida, 2017Every wind advisory in 2017

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.