Alert archive / Florida / Special Weather Statements in 2015

Special Weather Statement, NWS Jacksonville, FL

July 17, 2015Union County, Florida

NWS Jacksonville, FL issued this special weather statement at Jul 17, 2015, 5:13 PM EDT for Union County, Florida. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 17, 2015, 5:13 PM EDT (21:13 UTC)
Expired: Jul 17, 2015, 6:00 PM EDT
In force: 47 min
Issued by: NWS Jacksonville, FL

County Union County, FL

The radar

The Jacksonville radar (KJAX), 108 km from the middle of the area, began a volume at 21:14 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 12:00Z, 9.2 hours before the alert went out and 169 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: 1039 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 1117 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 2:27 PM EDT	Areal Flood Advisory	JAX	Duval, Saint Johns	93 min
Jul 17, 2:29 PM EDT	Special Weather Statement	JAX	Duval	46 min
Jul 17, 2:41 PM EDT	Special Weather Statement	JAX	Marion	49 min
Jul 17, 3:03 PM EDT	Special Weather Statement	JAX	Alachua	42 min
Jul 17, 3:30 PM EDT	Special Weather Statement	JAX	Alachua	45 min
Jul 17, 3:32 PM EDT	Special Weather Statement	JAX	Putnam	43 min
Jul 17, 3:40 PM EDT	Special Weather Statement	JAX	Clay	35 min
Jul 17, 3:59 PM EDT	Special Weather Statement	JAX	Clay	31 min
Jul 17, 4:12 PM EDT	Special Weather Statement	JAX	Alachua	33 min
Jul 17, 4:15 PM EDT	Special Weather Statement	JAX	Putnam	30 min
Jul 17, 4:29 PM EDT	Special Weather Statement	JAX	Clay	31 min
Jul 17, 4:34 PM EDT	Special Weather Statement	JAX	Bradford	26 min
Jul 17, 4:40 PM EDT	Areal Flood Advisory	JAX	Clay, Putnam	95 min
Jul 17, 5:08 PM EDT	Special Weather Statement	JAX	Baker, Union	52 min
Jul 17, 5:26 PM EDT	Special Weather Statement	JAX	Marion	34 min
Jul 17, 5:33 PM EDT	Special Weather Statement	JAX	Hamilton	27 min
Jul 17, 5:48 PM EDT	Special Weather Statement	JAX	Hamilton	42 min
Jul 17, 5:56 PM EDT	Special Weather Statement	JAX	Marion	34 min
Jul 17, 5:58 PM EDT	Areal Flood Advisory	JAX	Marion	92 min
Jul 17, 6:07 PM EDT	Special Weather Statement	JAX	Suwannee	23 min
Jul 17, 6:17 PM EDT	Special Weather Statement	JAX	Suwannee	28 min
Jul 17, 6:27 PM EDT	Special Weather Statement	JAX	Hamilton	48 min
Jul 17, 6:29 PM EDT	Special Weather Statement	JAX	Marion	31 min
Jul 17, 6:35 PM EDT	Areal Flood Advisory	JAX	Hamilton, Suwannee	85 min
Jul 17, 6:49 PM EDT	Areal Flood Warning	JAX	Marion	116 min
Jul 17, 7:17 PM EDT	Special Weather Statement	JAX	Hamilton, Suwannee	43 min
Jul 17, 6:01 PM EDT	Special Weather Statement	JAX	Coffee	29 min
Jul 17, 6:22 PM EDT	Special Weather Statement	JAX	Clinch	38 min
Jul 17, 6:53 PM EDT	Special Weather Statement	JAX	Clinch, Echols	52 min
Jul 17, 6:55 PM EDT	Special Weather Statement	JAX	Lanier	35 min
Jul 17, 7:03 PM EDT	Special Weather Statement	JAX	Echols	27 min
Jul 17, 7:37 PM EDT	Special Weather Statement	JAX	Echols	38 min

Nearby

Special Weather Statements in Florida, 2015 Every special weather statement 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.