Alert archive / Florida / High Surf Advisories in 2015

High Surf Advisory 4, NWS Tallahassee, FL

November 18, 2015Walton County, Florida

NWS Tallahassee, FL issued this high surf advisory at Nov 18, 2015, 3:04 AM CST for Walton County, Florida. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Nov 18, 2015, 3:04 AM CST (09:04 UTC)
Expired: Nov 18, 2015, 6:00 PM CST
In force: 15 hr
Issued by: NWS Tallahassee, FL

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 25 km from the middle of the area, began a volume at 09:05 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

Birmingham, AL (KBMX), launched 00:00Z, 9.1 hours before the alert went out and 291 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1069 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 364 m²/s²
0-3 km storm-relative helicity: 486 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 Tallahassee, FL wrote its last area forecast discussion before this high surf advisory went out at Nov 18, 2:29 AM CST, 35 minutes earlier.

Area forecast discussion, Nov 18, 2:29 AM CST, 35 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 18, 6:36 AM CST	Special Marine Warning	TAE		54 min
Nov 18, 7:00 AM CST	Special Weather Statement	TAE	Walton	30 min
Nov 18, 7:33 AM CST	Special Weather Statement	TAE	Walton	42 min
Nov 18, 8:42 AM CST	Special Marine Warning	TAE		63 min
Nov 18, 9:07 AM CST	Special Weather Statement	TAE	Walton	23 min
Nov 18, 9:54 AM CST	Special Marine Warning	TAE		66 min
Nov 18, 10:45 AM CST	Tornado Warning	TAE	Walton	45 min
Nov 18, 11:21 AM CST	Tornado Warning	TAE	Walton	39 min
Nov 18, 11:32 AM CST	Special Marine Warning	TAE		43 min
Nov 18, 12:00 PM CST	Tornado Warning	TAE	Walton	45 min
Nov 18, 12:40 PM CST	Special Marine Warning	TAE		65 min
Nov 18, 1:15 PM CST	Tornado Warning	TAE	Walton	45 min
Nov 18, 2:08 PM CST	Severe Thunderstorm Warning	TAE	Holmes, Walton, Washington	52 min
Nov 18, 3:03 PM CST	Special Marine Warning	TAE		42 min
Nov 18, 3:09 PM CST	Tornado Warning	TAE	Franklin, Gulf	51 min
Nov 18, 3:19 PM CST	Special Marine Warning	TAE		86 min
Nov 18, 3:59 PM CST	Special Marine Warning	TAE		91 min
Nov 18, 4:04 PM CST	Severe Thunderstorm Warning	TAE	Calhoun, Franklin, Liberty	26 min
Nov 18, 4:31 PM CST	Severe Thunderstorm Warning	TAE	Gadsden, Liberty	44 min
Nov 18, 4:49 PM CST	Tornado Warning	TAE	Gadsden	41 min
Nov 18, 5:14 PM CST	Tornado Warning Tornado observed	TAE	Gadsden	34 min
Nov 18, 4:36 PM CST	Special Weather Statement	TAE	Clay, Early, Quitman, Randolph	54 min
Nov 18, 11:26 AM CST	Tornado Warning	TAE	Coffee	49 min
Nov 18, 12:49 PM CST	Tornado Warning	TAE	Geneva	26 min
Nov 18, 1:01 PM CST	Tornado Warning	TAE	Coffee	44 min
Nov 18, 2:01 PM CST	Severe Thunderstorm Warning	TAE	Dale	44 min
Nov 18, 3:45 PM CST	Special Weather Statement	TAE	Dale, Henry	45 min

Nearby

High Surf Advisories in Florida, 2015 Every high surf advisory in 2015

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.