Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

April 25, 2021Suwannee County, Florida

NWS Jacksonville, FL issued this special weather statement at Apr 25, 2021, 1:03 AM EDT for Suwannee County, Florida. It was in force for 42 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: Apr 25, 2021, 1:03 AM EDT (05:03 UTC)
Expired: Apr 25, 2021, 1:45 AM EDT
In force: 42 min
Issued by: NWS Jacksonville, FL

County Suwannee County, FL

The radar

The Moody AFB radar (KVAX), 81 km from the middle of the area, began a volume at 05:04 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 00:00Z, 5.1 hours before the alert went out and 114 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: 2012 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 697 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 293 m²/s²
0-3 km storm-relative helicity: 374 m²/s²
Significant tornado parameter: 4.7
Supercell composite: 19.4

Open this sounding in Storm Lab

The text

As transmitted.

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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 Apr 25, 12:58 AM EDT, 5 minutes earlier.

Area forecast discussion, Apr 25, 12:58 AM EDT, 5 minutes before

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In the hours before

Special weather statement, Apr 25, 12:09 AM EDT, 54 minutes before

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Special weather statement, Apr 25, 12:26 AM EDT, 37 minutes before

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Special weather statement, Apr 25, 12:41 AM EDT, 22 minutes before

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Special weather statement, Apr 25, 12:52 AM EDT, 11 minutes before

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Special weather statement, Apr 25, 12:58 AM EDT, 5 minutes before

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Special weather statement, Apr 25, 1:03 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
Apr 24, 11:32 PM EDT	Special Marine Warning	JAX		118 min
Apr 25, 12:26 AM EDT	Special Weather Statement	JAX	Nassau	34 min
Apr 25, 12:41 AM EDT	Special Weather Statement	JAX	Hamilton	49 min
Apr 25, 1:15 AM EDT	Severe Thunderstorm Warning	JAX	Baker, Columbia, Hamilton	23 min
Apr 25, 1:30 AM EDT	Special Marine Warning	JAX		90 min
Apr 25, 1:42 AM EDT	Special Weather Statement	JAX	Columbia, Suwannee	48 min
Apr 25, 2:01 AM EDT	Special Weather Statement	JAX	Nassau	44 min
Apr 25, 2:06 AM EDT	Severe Thunderstorm Warning	JAX	Baker, Columbia, Suwannee	24 min
Apr 25, 2:12 AM EDT	Severe Thunderstorm Warning	JAX	Duval, Nassau	36 min
Apr 25, 2:23 AM EDT	Special Weather Statement	JAX	Baker, Columbia, Union	52 min
Apr 25, 2:29 AM EDT	Special Marine Warning	JAX		91 min
Apr 25, 2:49 AM EDT	Special Weather Statement	JAX	Duval	41 min
Apr 25, 2:52 AM EDT	Special Marine Warning	JAX		38 min
Apr 25, 2:55 AM EDT	Special Weather Statement	JAX	Bradford, Clay, Union	50 min
Apr 25, 3:18 AM EDT	Special Weather Statement	JAX	Clay, Saint Johns	42 min
Apr 25, 3:36 AM EDT	Special Marine Warning	JAX		54 min
Apr 25, 3:59 AM EDT	Special Weather Statement	JAX	Clay, Saint Johns	46 min
Apr 25, 4:23 AM EDT	Special Marine Warning	JAX		3 hr
Apr 25, 4:28 AM EDT	Special Weather Statement	JAX	Putnam	47 min
Apr 25, 5:10 AM EDT	Special Weather Statement	JAX	Saint Johns	50 min
Apr 25, 6:20 AM EDT	Special Weather Statement	JAX	Flagler	40 min
Apr 25, 7:01 AM EDT	Special Weather Statement	JAX	Flagler	14 min
Apr 25, 7:13 AM EDT	Special Weather Statement	JAX	Marion	47 min
Apr 25, 7:29 AM EDT	Special Marine Warning	JAX		61 min
Apr 25, 8:06 AM EDT	Special Weather Statement	JAX	Lake	24 min
Apr 24, 8:13 PM EDT	Special Weather Statement	JAX	Wayne	32 min
Apr 24, 8:18 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Jeff Davis	27 min
Apr 24, 8:41 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Jeff Davis	49 min
Apr 24, 8:45 PM EDT	Flash Flood Warning	JAX	Appling, Bacon, Coffee, Jeff Davis	3 hr
Apr 24, 8:48 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Coffee	42 min
Apr 24, 8:51 PM EDT	Tornado Warning	JAX	Atkinson, Coffee	39 min
Apr 24, 9:00 PM EDT	Special Weather Statement	JAX	Wayne	45 min
Apr 24, 9:08 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Bacon, Coffee, Pierce, Ware	52 min
Apr 24, 9:16 PM EDT	Tornado Warning Tornado observed	JAX	Appling, Bacon, Coffee, Pierce, Ware	29 min
Apr 24, 9:33 PM EDT	Special Weather Statement	JAX	Atkinson, Coffee	42 min
Apr 24, 9:41 PM EDT	Tornado Warning	JAX	Bacon, Pierce, Ware	34 min
Apr 24, 9:45 PM EDT	Special Weather Statement	JAX	Appling	45 min
Apr 24, 9:50 PM EDT	Special Weather Statement	JAX	Clinch	85 min
Apr 24, 9:58 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Brantley, Glynn, Pierce, Wayne	48 min
Apr 24, 10:11 PM EDT	Special Weather Statement	JAX	Bacon, Pierce	34 min
Apr 24, 10:17 PM EDT	Severe Thunderstorm Warning	JAX	Clinch	43 min
Apr 24, 10:23 PM EDT	Special Weather Statement	JAX	Atkinson	52 min
Apr 24, 10:48 PM EDT	Special Weather Statement	JAX	Bacon, Brantley, Glynn, Pierce, Wayne	42 min
Apr 24, 10:54 PM EDT	Special Weather Statement	JAX	Clinch	66 min
Apr 24, 10:57 PM EDT	Severe Thunderstorm Warning	JAX	Brantley, Charlton, Clinch, Pierce, Ware	48 min
Apr 24, 11:05 PM EDT	Severe Thunderstorm Warning	JAX	Charlton, Clinch, Echols, Ware	55 min
Apr 24, 11:16 PM EDT	Special Weather Statement	JAX	Atkinson	44 min
Apr 24, 11:27 PM EDT	Special Weather Statement	JAX	Brantley, Glynn	63 min
Apr 24, 11:34 PM EDT	Special Weather Statement	JAX	Bacon, Pierce, Wayne	56 min
Apr 24, 11:40 PM EDT	Severe Thunderstorm Warning	JAX	Brantley, Charlton, Clinch, Ware	50 min
Apr 24, 11:46 PM EDT	Special Weather Statement	JAX	Camden, Charlton	44 min
Apr 24, 11:57 PM EDT	Special Weather Statement	JAX	Brantley, Pierce	63 min
Apr 25, 12:01 AM EDT	Severe Thunderstorm Warning	JAX	Brantley, Camden, Charlton, Glynn	44 min
Apr 25, 12:07 AM EDT	Severe Thunderstorm Warning	JAX	Wayne	23 min
Apr 25, 12:09 AM EDT	Special Weather Statement	JAX	Echols	51 min
Apr 25, 12:33 AM EDT	Severe Thunderstorm Warning	JAX	Camden, Glynn	27 min
Apr 25, 12:36 AM EDT	Severe Thunderstorm Warning	JAX	Clinch, Echols	39 min
Apr 25, 12:52 AM EDT	Special Weather Statement	JAX	Camden, Glynn, Ware	38 min
Apr 25, 12:58 AM EDT	Special Weather Statement	JAX	Charlton	62 min
Apr 25, 1:24 AM EDT	Special Weather Statement	JAX	Camden, Glynn	66 min
Apr 25, 1:38 AM EDT	Special Weather Statement	JAX	Charlton	67 min

Nearby

Special Weather Statements in Florida, 2021 Every special weather statement in 2021

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.