Alert archive / Florida / High Surf Advisories in 2019

High Surf Advisory 4, NWS Tallahassee, FL

April 14, 2019Bay County, Gulf County, Walton County, Florida

NWS Tallahassee, FL issued this high surf advisory at Apr 14, 2019, 2:44 AM CDT for Bay County, Gulf County, Walton County, Florida. It took effect at Apr 14, 2019, 3:00 AM CDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Apr 14, 2019, 2:44 AM CDT (07:44 UTC)
In effect from: Apr 14, 2019, 3:00 AM CDT
Expired: Apr 15, 2019, 2:30 AM CDT
In force: 24 hr
Issued by: NWS Tallahassee, FL

Counties Bay County, FL, Gulf County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 41 km from the middle of the area, began a volume at 07:46 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, 7.7 hours before the alert went out and 341 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: 506 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1458 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 240 m²/s²
0-3 km storm-relative helicity: 428 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.3

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 Apr 14, 1:07 AM CDT, 1 hour 37 minutes earlier.

Area forecast discussion, Apr 14, 1:07 AM CDT, 1 hour 37 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
Apr 14, 6:44 AM CDT	Special Marine Warning	TAE		91 min
Apr 14, 7:21 AM CDT	Severe Thunderstorm Warning	TAE	Bay, Holmes, Walton, Washington	39 min
Apr 14, 7:58 AM CDT	Special Weather Statement	TAE	Walton	47 min
Apr 14, 8:08 AM CDT	Special Marine Warning	TAE		97 min
Apr 14, 8:32 AM CDT	Special Weather Statement	TAE	Holmes, Washington	43 min
Apr 14, 9:15 AM CDT	Special Weather Statement	TAE	Bay, Jackson, Washington	60 min
Apr 14, 9:40 AM CDT	Special Marine Warning	TAE		95 min
Apr 14, 10:12 AM CDT	Special Weather Statement	TAE	Bay, Calhoun, Gulf, Jackson	63 min
Apr 14, 11:06 AM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Gadsden, Gulf, Jackson, Leon, Liberty and 1 more	39 min
Apr 14, 11:12 AM CDT	Special Marine Warning	TAE		93 min
Apr 14, 11:44 AM CDT	Special Weather Statement	TAE	Gadsden, Gulf, Leon, Liberty	46 min
Apr 14, 12:13 PM CDT	Severe Thunderstorm Warning	TAE	Franklin, Gulf, Liberty, Wakulla	47 min
Apr 14, 12:35 PM CDT	Special Weather Statement	TAE	Gadsden, Leon	40 min
Apr 14, 12:43 PM CDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon, Liberty, Wakulla	32 min
Apr 14, 12:48 PM CDT	Special Marine Warning	TAE		87 min
Apr 14, 1:01 PM CDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon	44 min
Apr 14, 1:32 PM CDT	Severe Thunderstorm Warning	TAE	Jefferson	28 min
Apr 14, 2:04 PM CDT	Special Marine Warning	TAE		86 min
Apr 14, 9:47 AM CDT	Special Weather Statement	TAE	Clay, Quitman	28 min
Apr 14, 10:21 AM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Clay, Dougherty, Early, Lee, Randolph and 1 more	39 min
Apr 14, 10:23 AM CDT	Tornado Warning	TAE	Calhoun, Clay, Early, Randolph, Terrell	18 min
Apr 14, 10:38 AM CDT	Severe Thunderstorm Warning	TAE	Baker, Calhoun, Decatur, Dougherty, Early, Lee and 4 more	52 min
Apr 14, 10:58 AM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Dougherty, Lee, Randolph, Terrell	47 min
Apr 14, 11:22 AM CDT	Severe Thunderstorm Warning	TAE	Baker, Calhoun, Colquitt, Decatur, Dougherty, Lee and 5 more	38 min
Apr 14, 11:57 AM CDT	Severe Thunderstorm Warning	TAE	Baker, Dougherty, Lee, Mitchell, Turner, Worth	34 min
Apr 14, 12:56 PM CDT	Severe Thunderstorm Warning	TAE	Colquitt, Mitchell, Worth	49 min
Apr 14, 1:03 PM CDT	Tornado Warning	TAE	Ben Hill, Irwin	27 min
Apr 14, 1:11 PM CDT	Tornado Warning	TAE	Turner, Worth	34 min
Apr 14, 1:25 PM CDT	Severe Thunderstorm Warning	TAE	Brooks, Colquitt, Cook, Thomas	50 min
Apr 14, 1:40 PM CDT	Tornado Warning	TAE	Colquitt, Cook	35 min
Apr 14, 2:12 PM CDT	Severe Thunderstorm Warning	TAE	Berrien, Brooks, Colquitt, Cook, Irwin, Lowndes and 1 more	48 min
Apr 14, 2:58 PM CDT	Special Weather Statement	TAE	Berrien	47 min
Apr 14, 3:08 PM CDT	Tornado Warning	TAE	Berrien	23 min
Apr 14, 6:17 AM CDT	Special Weather Statement	TAE	Coffee	58 min
Apr 14, 6:30 AM CDT	Severe Thunderstorm Warning	TAE	Coffee	45 min
Apr 14, 8:40 AM CDT	Special Weather Statement	TAE	Coffee	50 min
Apr 14, 9:12 AM CDT	Tornado Warning	TAE	Dale, Geneva, Henry, Houston	33 min

Nearby

High Surf Advisories in Florida, 2019 Every high surf advisory in 2019

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.