Alert archive / Florida / Special Weather Statements in 2011

Special Weather Statement, NWS Jacksonville, FL

October 10, 20114 counties in Florida

NWS Jacksonville, FL issued this special weather statement at Oct 10, 2011, 4:49 AM EDT for 4 counties in Florida. It was in force for 41 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: Oct 10, 2011, 4:49 AM EDT (08:49 UTC)
Expired: Oct 10, 2011, 5:30 AM EDT
In force: 41 min
Issued by: NWS Jacksonville, FL

Counties Bradford County, FL, Clay County, FL, Gilchrist County, FL, Union County, FL

The radar

The Jacksonville radar (KJAX), 111 km from the middle of the area, began a volume at 08:50 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

Jacksonville, FL (KJAX), launched 00:00Z, 8.8 hours before the alert went out and 112 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: 277 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 665 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -74 m²/s²
0-3 km storm-relative helicity: -46 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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What forecasters said that day

The local office's own words before this special weather 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 special weather statement went out at Oct 9, 10:20 PM EDT, 6 hours 29 minutes earlier.

Area forecast discussion, Oct 9, 10:20 PM EDT, 6 hours 29 minutes before

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Hazardous weather outlook, Oct 9, 9:27 PM EDT, 7 hours 22 minutes before

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In the hours before

Special weather statement, Oct 10, 2:36 AM EDT, 2 hours 13 minutes before

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Special weather statement, Oct 10, 3:36 AM EDT, 1 hour 13 minutes before

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Special weather statement, Oct 10, 3:47 AM EDT, 1 hour 2 minutes before

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Special weather statement, Oct 10, 4:01 AM EDT, 48 minutes before

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Special weather statement, Oct 10, 4:46 AM EDT, 3 minutes before

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Special weather statement, Oct 10, 4:49 AM EDT, 0 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
Oct 9, 8:29 PM EDT	High Wind Warning	JAX	Flagler, Nassau	8 hr
Oct 9, 8:29 PM EDT	Lake Wind Advisory	JAX	Baker, Bradford, Gilchrist, Suwannee, Union	13 hr
Oct 9, 9:25 PM EDT	Gale Warning	JAX		13 hr
Oct 9, 9:25 PM EDT	Storm Warning	JAX		7 hr
Oct 9, 10:57 PM EDT	Special Weather Statement	JAX	Putnam	48 min
Oct 9, 11:53 PM EDT	Special Weather Statement	JAX	Clay, Marion, Putnam	37 min
Oct 10, 12:29 AM EDT	Special Weather Statement	JAX	Alachua, Bradford, Clay	46 min
Oct 10, 1:19 AM EDT	Special Weather Statement	JAX	Clay, Putnam	56 min
Oct 10, 1:59 AM EDT	Special Weather Statement	JAX	Alachua, Bradford, Union	61 min
Oct 10, 2:36 AM EDT	Special Weather Statement	JAX	Bradford, Clay	24 min
Oct 10, 2:51 AM EDT	Areal Flood Advisory	JAX	Alachua, Marion	114 min
Oct 10, 3:11 AM EDT	Tornado Warning	JAX	Baker, Bradford, Clay, Union	31 min
Oct 10, 3:36 AM EDT	Special Weather Statement	JAX	Marion	39 min
Oct 10, 3:47 AM EDT	Special Weather Statement	JAX	Union	28 min
Oct 10, 4:01 AM EDT	Special Weather Statement	JAX	Marion	29 min
Oct 10, 4:15 AM EDT	Tornado Warning	JAX	Duval	30 min
Oct 10, 4:37 AM EDT	Areal Flood Warning	JAX	Marion	113 min
Oct 10, 4:46 AM EDT	Special Weather Statement	JAX	Nassau	44 min
Oct 10, 5:24 AM EDT	Special Weather Statement	JAX	Alachua, Putnam	51 min
Oct 10, 6:13 AM EDT	Special Weather Statement	JAX	Alachua, Baker, Bradford, Columbia, Gilchrist, Hamilton and 2 more	62 min
Oct 10, 6:15 AM EDT	Special Weather Statement	JAX	Duval, Nassau	60 min
Oct 10, 6:41 AM EDT	Tornado Warning	JAX	Nassau	23 min
Oct 10, 7:12 AM EDT	Special Weather Statement	JAX	Nassau	48 min
Oct 10, 7:21 AM EDT	Special Weather Statement	JAX	Hamilton, Suwannee	39 min
Oct 10, 7:23 AM EDT	Special Weather Statement	JAX	Gilchrist	52 min
Oct 10, 8:38 AM EDT	Special Marine Warning	JAX		97 min
Oct 10, 8:41 AM EDT	Areal Flood Advisory	JAX	Gilchrist	2 hr
Oct 10, 9:17 AM EDT	Lake Wind Advisory	JAX	Nassau	3 hr
Oct 10, 10:04 AM EDT	Small Craft Advisory	JAX		11 hr
Oct 10, 12:27 PM EDT	Areal Flood Advisory	JAX	Suwannee	2 hr
Oct 10, 2:16 PM EDT	Small Craft Advisory for Hazardous Seas	JAX		32 hr
Oct 10, 6:15 PM EDT	Areal Flood Advisory	JAX	Putnam	90 min
Oct 10, 7:10 PM EDT	Special Weather Statement	JAX	Putnam	50 min
Oct 10, 7:50 PM EDT	Areal Flood Advisory	JAX	Nassau	115 min
Oct 10, 7:25 AM EDT	Special Weather Statement	JAX	Wayne	50 min
Oct 10, 11:22 AM EDT	Special Weather Statement	JAX	Glynn	23 min
Oct 10, 11:53 AM EDT	Lake Wind Advisory	JAX	Appling, Atkinson, Bacon, Brantley, Camden, Clinch and 6 more	7 hr
Oct 10, 11:59 AM EDT	Special Weather Statement	JAX	Wayne	46 min
Oct 10, 1:28 PM EDT	Special Weather Statement	JAX	Glynn	32 min
Oct 10, 2:46 PM EDT	Special Weather Statement	JAX	Pierce	29 min
Oct 10, 3:17 PM EDT	Special Weather Statement	JAX	Pierce	28 min
Oct 10, 5:52 PM EDT	Special Weather Statement	JAX	Atkinson	23 min
Oct 10, 6:07 PM EDT	Areal Flood Advisory	JAX	Atkinson, Clinch, Ware	113 min
Oct 10, 6:47 PM EDT	Areal Flood Warning	JAX	Atkinson, Clinch, Ware	3 hr
Oct 10, 7:04 PM EDT	Special Weather Statement	JAX	Atkinson, Ware	56 min

Nearby

Special Weather Statements in Florida, 2011 Every special weather statement in 2011

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.