Alert archive / Florida / Special Weather Statements in 2019

Special Weather Statement, NWS Jacksonville, FL

June 20, 2019Putnam County, Florida

NWS Jacksonville, FL issued this special weather statement at Jun 20, 2019, 3:21 PM EDT for Putnam County, Florida. It was in force for 39 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: Jun 20, 2019, 3:21 PM EDT (19:21 UTC)
Expired: Jun 20, 2019, 4:00 PM EDT
In force: 39 min
Issued by: NWS Jacksonville, FL

County Putnam County, FL

The radar

The Jacksonville radar (KJAX), 103 km from the middle of the area, began a volume at 19:21 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 12:00Z, 7.4 hours before the alert went out and 105 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: 2219 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 531 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 202 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jun 20, 9:46 AM EDT, 5 hours 35 minutes earlier.

Area forecast discussion, Jun 20, 9:46 AM EDT, 5 hours 35 minutes before

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In the hours before

Special weather statement, Jun 20, 12:54 PM EDT, 2 hours 27 minutes before

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Special weather statement, Jun 20, 1:01 PM EDT, 2 hours 20 minutes before

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Special weather statement, Jun 20, 1:13 PM EDT, 2 hours 8 minutes before

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Special weather statement, Jun 20, 1:27 PM EDT, 1 hour 54 minutes before

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Local storm report, Jun 20, 1:37 PM EDT, 1 hour 44 minutes before

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Special weather statement, Jun 20, 3:21 PM 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
Jun 20, 9:32 AM EDT	Special Weather Statement	JAX	Baker	43 min
Jun 20, 10:32 AM EDT	Special Weather Statement	JAX	Union	13 min
Jun 20, 10:41 AM EDT	Special Weather Statement	JAX	Duval	34 min
Jun 20, 10:48 AM EDT	Special Marine Warning	JAX		87 min
Jun 20, 11:23 AM EDT	Special Weather Statement	JAX	Columbia	37 min
Jun 20, 11:58 AM EDT	Special Weather Statement	JAX	Saint Johns	17 min
Jun 20, 12:00 PM EDT	Special Marine Warning	JAX		60 min
Jun 20, 12:05 PM EDT	Special Weather Statement	JAX	Hamilton	40 min
Jun 20, 12:17 PM EDT	Special Weather Statement	JAX	Bradford, Union	43 min
Jun 20, 12:18 PM EDT	Special Weather Statement	JAX	Clay	42 min
Jun 20, 12:54 PM EDT	Special Weather Statement	JAX	Clay	36 min
Jun 20, 12:58 PM EDT	Special Marine Warning	JAX		47 min
Jun 20, 1:01 PM EDT	Special Weather Statement	JAX	Bradford, Union	44 min
Jun 20, 1:13 PM EDT	Special Weather Statement	JAX	Saint Johns	32 min
Jun 20, 1:27 PM EDT	Special Weather Statement	JAX	Duval, Nassau	33 min
Jun 20, 1:52 PM EDT	Special Marine Warning	JAX		53 min
Jun 20, 2:03 PM EDT	Special Marine Warning	JAX		33 min
Jun 20, 2:19 PM EDT	Special Marine Warning	JAX		34 min
Jun 20, 4:08 PM EDT	Special Marine Warning	JAX		67 min
Jun 20, 4:58 PM EDT	Special Marine Warning	JAX		52 min
Jun 20, 3:52 PM EDT	Special Weather Statement	JAX	Echols	53 min
Jun 20, 4:10 PM EDT	Special Weather Statement	JAX	Appling	50 min
Jun 20, 4:45 PM EDT	Special Weather Statement	JAX	Appling	30 min
Jun 20, 4:54 PM EDT	Special Weather Statement	JAX	Echols	51 min
Jun 20, 5:13 PM EDT	Special Weather Statement	JAX	Echols	47 min
Jun 20, 5:33 PM EDT	Special Weather Statement	JAX	Appling, Atkinson, Bacon, Coffee, Jeff Davis	57 min
Jun 20, 5:48 PM EDT	Severe Thunderstorm Warning	JAX	Clinch, Echols	27 min
Jun 20, 6:02 PM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Bacon, Coffee, Jeff Davis, Ware	58 min
Jun 20, 6:49 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Atkinson, Bacon, Clinch, Coffee, Echols and 2 more	56 min
Jun 20, 7:39 PM EDT	Severe Thunderstorm Warning	JAX	Appling, Atkinson, Bacon, Clinch, Pierce, Ware and 1 more	51 min

Nearby

Special Weather Statements in Florida, 2019 Every special weather statement 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.