Alert archive / Florida / Coastal Flood Statements in 2009

Coastal Flood Statement 4, NWS Jacksonville, FL

March 28, 2009Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia

NWS Jacksonville, FL issued this coastal flood statement at Mar 28, 2009, 5:37 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: Mar 28, 2009, 5:37 AM EDT (09:37 UTC)
Expired: Mar 28, 2009, 6:00 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 09:37 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, 9.6 hours before the alert went out and 253 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: 312 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 860 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal flood 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 coastal flood statement went out at Mar 28, 3:50 AM EDT, 1 hour 47 minutes earlier.

Area forecast discussion, Mar 28, 3:50 AM EDT, 1 hour 47 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 28, 4:20 AM EDT	Lake Wind Advisory	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	17 hr
Mar 28, 4:36 AM EDT	Fire Weather Watch	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	23 hr
Mar 28, 1:33 PM EDT	Special Weather Statement	JAX	Coffee	42 min
Mar 28, 2:01 PM EDT	Severe Thunderstorm Warning	JAX	Coffee, Jeff Davis	44 min
Mar 28, 2:47 PM EDT	Special Weather Statement	JAX	Appling, Jeff Davis	58 min
Mar 28, 3:25 PM EDT	Special Weather Statement	JAX	Coffee, Jeff Davis	50 min
Mar 28, 3:32 PM EDT	Severe Thunderstorm Warning	JAX	Coffee, Jeff Davis	43 min
Mar 28, 3:47 PM EDT	Areal Flood Advisory	JAX	Appling, Bacon, Coffee, Jeff Davis	3 hr
Mar 28, 4:12 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Jeff Davis, Wayne	48 min
Mar 28, 4:29 PM EDT	Special Weather Statement	JAX	Bacon, Pierce, Wayne	46 min
Mar 28, 4:35 PM EDT	Areal Flood Advisory	JAX	Appling, Atkinson, Bacon, Brantley, Clinch, Coffee and 4 more	2 hr
Mar 28, 4:51 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Pierce, Wayne	39 min
Mar 28, 5:37 PM EDT	Special Weather Statement	JAX	Appling, Pierce, Wayne	38 min
Mar 28, 5:47 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Clinch, Coffee, Jeff Davis, Ware	43 min
Mar 28, 6:35 PM EDT	Special Weather Statement	JAX	Pierce, Wayne	40 min
Mar 28, 6:44 PM EDT	Special Weather Statement	JAX	Brantley	46 min
Mar 28, 6:52 PM EDT	Areal Flood Advisory	JAX	Appling, Atkinson, Bacon, Brantley, Camden, Charlton and 7 more	3 hr
Mar 28, 7:33 PM EDT	Special Weather Statement	JAX	Coffee	42 min

Nearby

Coastal Flood Statements in Florida, 2009 Coastal Flood Statements in Georgia, 2009 Every coastal flood statement in 2009

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.