Alert archive / Florida / Areal Flood Warnings in 2012

Areal Flood Warning 13, NWS Jacksonville, FL

May 29, 20124 counties in Florida

NWS Jacksonville, FL issued this areal flood warning at May 29, 2012, 6:52 AM EDT for 4 counties in Florida. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 29, 2012, 6:52 AM EDT (10:52 UTC)
Expired: May 29, 2012, 9:45 AM EDT
In force: 3 hr
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Flood severity: None

Counties Baker County, FL, Columbia County, FL, Gilchrist County, FL, Union County, FL

The radar

The Jacksonville radar (KJAX), 90 km from the middle of the area, began a volume at 10:56 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, 10.9 hours before the alert went out and 91 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: 307 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 769 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -51 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

What forecasters said that day

The local office's own words before this areal flood warning 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 areal flood warning went out at May 29, 4:14 AM EDT, 2 hours 38 minutes earlier.

Area forecast discussion, May 29, 4:14 AM EDT, 2 hours 38 minutes before

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Hazardous weather outlook, May 29, 5:11 AM EDT, 1 hour 41 minutes before

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In the hours before

Special weather statement, May 29, 2:08 AM EDT, 4 hours 44 minutes before

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Special weather statement, May 29, 4:40 AM EDT, 2 hours 12 minutes before

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Special weather statement, May 29, 5:17 AM EDT, 1 hour 35 minutes before

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Special weather statement, May 29, 5:59 AM EDT, 53 minutes before

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Special weather statement, May 29, 6:26 AM EDT, 26 minutes before

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Special weather statement, May 29, 6:52 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
May 28, 8:22 PM EDT	Lake Wind Advisory	JAX	Nassau	8 hr
May 28, 8:46 PM EDT	Special Weather Statement	JAX	Alachua	44 min
May 28, 9:23 PM EDT	Special Weather Statement	JAX	Flagler	52 min
May 28, 9:29 PM EDT	Special Weather Statement	JAX	Alachua	46 min
May 28, 9:34 PM EDT	Areal Flood Advisory	JAX	Alachua, Bradford, Clay, Marion, Putnam	56 min
May 28, 9:56 PM EDT	Special Weather Statement	JAX	Saint Johns	34 min
May 28, 10:13 PM EDT	Special Weather Statement	JAX	Marion, Putnam	32 min
May 28, 10:28 PM EDT	Areal Flood Advisory	JAX	Alachua, Marion, Putnam	62 min
May 28, 10:35 PM EDT	Special Marine Warning	JAX		55 min
May 28, 10:43 PM EDT	Special Weather Statement	JAX	Duval	32 min
May 28, 10:46 PM EDT	Special Weather Statement	JAX	Marion	29 min
May 28, 10:50 PM EDT	Areal Flood Warning	JAX	Marion	3 hr
May 28, 11:18 PM EDT	Special Weather Statement	JAX	Marion	42 min
May 28, 11:53 PM EDT	Special Weather Statement	JAX	Suwannee	37 min
May 29, 12:00 AM EDT	Special Weather Statement	JAX	Marion	30 min
May 29, 12:16 AM EDT	Flash Flood Warning	JAX	Marion	3 hr
May 29, 12:40 AM EDT	Special Weather Statement	JAX	Columbia	50 min
May 29, 12:51 AM EDT	Areal Flood Warning	JAX	Columbia, Gilchrist, Hamilton, Suwannee	3 hr
May 29, 2:08 AM EDT	Special Weather Statement	JAX	Marion	52 min
May 29, 2:50 AM EDT	Special Marine Warning	JAX		55 min
May 29, 3:10 AM EDT	Areal Flood Warning	JAX	Marion, Putnam	4 hr
May 29, 3:58 AM EDT	Areal Flood Warning	JAX	Columbia, Hamilton, Suwannee	3 hr
May 29, 4:40 AM EDT	Special Weather Statement	JAX	Suwannee	35 min
May 29, 5:14 AM EDT	Flash Flood Warning	JAX	Suwannee	3 hr
May 29, 5:17 AM EDT	Special Weather Statement	JAX	Suwannee	43 min
May 29, 5:59 AM EDT	Special Weather Statement	JAX	Columbia	31 min
May 29, 6:26 AM EDT	Special Weather Statement	JAX	Columbia	34 min
May 29, 6:52 AM EDT	Special Weather Statement	JAX	Union	38 min
May 29, 8:30 AM EDT	Special Weather Statement	JAX	Baker	45 min
May 29, 9:26 AM EDT	Special Weather Statement	JAX	Alachua	34 min
May 29, 9:51 AM EDT	Special Weather Statement	JAX	Alachua, Bradford	39 min
May 29, 10:46 AM EDT	Special Weather Statement	JAX	Alachua	44 min
May 29, 1:20 PM EDT	Special Weather Statement	JAX	Union	40 min
May 29, 1:34 PM EDT	Special Weather Statement	JAX	Baker	26 min
May 29, 1:46 PM EDT	Special Weather Statement	JAX	Columbia	44 min
May 29, 1:53 PM EDT	Special Weather Statement	JAX	Union	52 min
May 29, 2:18 PM EDT	Special Weather Statement	JAX	Citrus	27 min
May 29, 2:45 PM EDT	Special Weather Statement	JAX	Bradford, Union	60 min
May 29, 3:39 PM EDT	Special Weather Statement	JAX	Nassau	36 min
May 29, 3:43 PM EDT	Tornado Warning	JAX	Bradford, Union	32 min
May 29, 4:19 PM EDT	Special Weather Statement	JAX	Baker	26 min
May 29, 4:44 PM EDT	Special Weather Statement	JAX	Duval	46 min
May 29, 4:49 PM EDT	Areal Flood Advisory	JAX	Baker, Nassau	25 min
May 29, 5:15 PM EDT	Special Weather Statement	JAX	Clay	30 min
May 29, 5:45 PM EDT	Special Weather Statement	JAX	Clay	30 min
May 29, 6:16 PM EDT	Special Weather Statement	JAX	Bradford, Clay, Gilchrist	29 min
May 29, 6:43 PM EDT	Special Weather Statement	JAX	Alachua, Clay, Gilchrist	32 min
May 29, 7:13 PM EDT	Special Weather Statement	JAX	Alachua	32 min
May 29, 7:20 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Clay, Putnam	40 min
May 29, 7:40 PM EDT	Special Weather Statement	JAX	Alachua	50 min
May 29, 7:45 PM EDT	Areal Flood Advisory	JAX	Alachua, Putnam	90 min
May 29, 7:53 PM EDT	Special Weather Statement	JAX	Putnam	37 min
May 29, 4:06 PM EDT	Special Weather Statement	JAX	Camden	24 min
May 29, 4:56 PM EDT	Special Weather Statement	JAX	Camden	34 min

Nearby

Areal Flood Warnings in Florida, 2012 Every areal flood warning in 2012

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.