Alert archive / Florida / High Surf Advisories in 2012

High Surf Advisory 1, NWS Jacksonville, FL

June 27, 2012Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this high surf advisory at Jun 27, 2012, 7:20 AM EDT for Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Jun 27, 2012, 7:20 AM EDT (11:20 UTC)
Expired: Jun 27, 2012, 7:00 PM EDT
In force: 12 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 11:21 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

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.3 hours before the alert went out and 264 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: 35 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 893 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high surf advisory 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 high surf advisory went out at Jun 27, 6:02 AM EDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jun 27, 6:02 AM EDT, 1 hour 18 minutes before

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Hazardous weather outlook, Jun 27, 5:38 AM EDT, 1 hour 42 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
Jun 26, 8:26 PM EDT	Flash Flood Warning	JAX	Alachua	3 hr
Jun 26, 8:44 PM EDT	Flash Flood Warning	JAX	Saint Johns	3 hr
Jun 26, 9:19 PM EDT	Special Marine Warning	JAX		116 min
Jun 26, 9:43 PM EDT	Flash Flood Warning	JAX	Marion, Putnam	3 hr
Jun 26, 9:45 PM EDT	Flash Flood Warning	JAX	Clay, Duval, Nassau, Saint Johns	3 hr
Jun 26, 10:53 PM EDT	Flash Flood Warning	JAX	Flagler, Saint Johns	3 hr
Jun 27, 12:40 AM EDT	Areal Flood Warning	JAX	Clay, Duval	6 hr
Jun 27, 3:33 AM EDT	Rip Current Statement	JAX	Flagler, Nassau	17 hr
Jun 27, 5:24 AM EDT	Wind Advisory	JAX	Flagler, Nassau	4 hr
Jun 27, 7:20 AM EDT	Coastal Flood Advisory	JAX	Flagler, Nassau	12 hr
Jun 27, 9:42 AM EDT	Lake Wind Advisory	JAX	Flagler, Nassau	8 hr

Nearby

High Surf Advisories in Florida, 2012 High Surf Advisories in Georgia, 2012 Every high surf 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.