Alert archive / Georgia / Flood Watches in 2014

Flood Watch 2, NWS Jacksonville, FL

May 15, 20145 counties in Florida; 12 counties in Georgia

NWS Jacksonville, FL issued this flood watch at May 15, 2014, 4:39 AM EDT for 5 counties in Florida; 12 counties in Georgia. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: May 15, 2014, 4:39 AM EDT (08:39 UTC)
Expired: May 15, 2014, 12:47 PM EDT
In force: 8 hr
Issued by: NWS Jacksonville, FL
Flood severity: None

Counties Baker County, FL, Gilchrist County, FL, Nassau County, FL, Suwannee County, FL, Union County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Camden County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Glynn County, GA, Jeff Davis County, GA, Pierce County, GA, Wayne County, GA

The radar

The Moody AFB radar (KVAX), 62 km from the middle of the area, began a volume at 08:39 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, 8.7 hours before the alert went out and 196 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: 279 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1088 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch 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 flood watch went out at May 14, 4:02 PM EDT, 12 hours 37 minutes earlier.

Area forecast discussion, May 14, 4:02 PM EDT, 12 hours 37 minutes before

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Hazardous weather outlook, May 14, 2:10 PM EDT, 14 hours 29 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 15, 4:30 AM EDT	Areal Flood Warning	JAX	Suwannee	3 hr
May 15, 7:39 AM EDT	Areal Flood Advisory	JAX	Columbia, Gilchrist, Hamilton, Suwannee	3 hr
May 15, 8:35 AM EDT	Special Weather Statement	JAX	Gilchrist	40 min
May 15, 9:37 AM EDT	Areal Flood Warning	JAX	Suwannee	113 min
May 15, 9:50 AM EDT	Areal Flood Advisory	JAX	Baker	3 hr
May 15, 10:05 AM EDT	Special Weather Statement	JAX	Baker, Bradford, Union	40 min
May 15, 10:24 AM EDT	River Flood Warning	JAX	Alachua, Columbia, Gilchrist	4 days
May 15, 11:20 AM EDT	Special Weather Statement	JAX	Alachua	40 min
May 15, 11:53 AM EDT	Areal Flood Advisory	JAX	Alachua	112 min
May 15, 12:19 PM EDT	Areal Flood Warning	JAX	Alachua	86 min
May 15, 12:35 PM EDT	Special Marine Warning	JAX		40 min
May 15, 1:13 PM EDT	Special Marine Warning	JAX		62 min
May 15, 1:25 PM EDT	Special Marine Warning	JAX		65 min
May 15, 1:27 PM EDT	Special Weather Statement	JAX	Putnam	48 min
May 15, 1:31 PM EDT	Special Weather Statement	JAX	Saint Johns	29 min
May 15, 1:44 PM EDT	Special Weather Statement	JAX	Putnam	46 min
May 15, 1:48 PM EDT	Tornado Warning	JAX	Flagler, Putnam, Saint Johns	57 min
May 15, 2:36 PM EDT	Special Marine Warning	JAX		114 min
May 15, 2:37 PM EDT	Special Weather Statement	JAX	Saint Johns	38 min
May 15, 2:38 PM EDT	Special Marine Warning	JAX		67 min
May 15, 4:44 PM EDT	Special Marine Warning	JAX		91 min
May 15, 6:31 PM EDT	Special Weather Statement	JAX	Clay	44 min
May 15, 12:40 AM EDT	Special Weather Statement	JAX	Bacon	35 min
May 15, 12:51 AM EDT	Special Weather Statement	JAX	Charlton	24 min
May 15, 1:21 AM EDT	Special Weather Statement	JAX	Appling, Bacon	24 min
May 15, 2:02 AM EDT	Special Weather Statement	JAX	Appling	28 min
May 15, 2:25 AM EDT	Special Weather Statement	JAX	Appling	35 min
May 15, 10:17 AM EDT	Special Weather Statement	JAX	Charlton	43 min
May 15, 10:57 AM EDT	Special Weather Statement	JAX	Charlton	48 min
May 15, 11:40 AM EDT	Areal Flood Advisory	JAX	Camden, Glynn	95 min

Nearby

Flood Watches in Georgia, 2014 Flood Watches in Florida, 2014 Every flood watch in 2014

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.