Alert archive / Georgia / Flood Watches in 2012

Flood Watch 1, NWS Jacksonville, FL

March 3, 201212 counties in Georgia

NWS Jacksonville, FL issued this flood watch at Mar 3, 2012, 3:06 AM EST for 12 counties in Georgia. It took effect at Mar 3, 2012, 1:00 PM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Mar 3, 2012, 3:06 AM EST (08:06 UTC)
In effect from: Mar 3, 2012, 1:00 PM EST
Expired: Mar 4, 2012, 12:25 AM EST
In force: 11 hr
Issued by: NWS Jacksonville, FL
Flood severity: None

Counties 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 nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 8.1 hours before the alert went out and 214 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: 585 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 549 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 141 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.0

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 Mar 2, 9:16 PM EST, 5 hours 50 minutes earlier.

Area forecast discussion, Mar 2, 9:16 PM EST, 5 hours 50 minutes before

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Hazardous weather outlook, Mar 2, 2:50 PM EST, 12 hours 16 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 3, 2:19 AM EST	Lake Wind Advisory	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	13 hr
Mar 3, 3:54 AM EST	Gale Watch	JAX		11 hr
Mar 3, 3:10 PM EST	Wind Advisory	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	5 hr
Mar 3, 3:23 PM EST	Gale Warning	JAX		30 hr
Mar 3, 9:37 AM EST	Severe Thunderstorm Warning	JAX	Coffee	38 min
Mar 3, 9:59 AM EST	Tornado Warning	JAX	Coffee	31 min
Mar 3, 10:12 AM EST	Severe Thunderstorm Warning	JAX	Bacon, Coffee, Jeff Davis	33 min
Mar 3, 10:31 AM EST	Severe Thunderstorm Warning	JAX	Appling, Bacon, Jeff Davis	29 min
Mar 3, 10:48 AM EST	Severe Thunderstorm Warning	JAX	Bacon, Coffee, Jeff Davis	42 min
Mar 3, 11:01 AM EST	Special Weather Statement	JAX	Wayne	44 min
Mar 3, 11:07 AM EST	Special Weather Statement	JAX	Atkinson	38 min
Mar 3, 11:39 AM EST	Special Weather Statement	JAX	Bacon	36 min
Mar 3, 12:03 PM EST	Tornado Warning	JAX	Atkinson, Clinch, Ware	42 min
Mar 3, 12:42 PM EST	Tornado Warning	JAX	Brantley, Pierce, Ware	48 min
Mar 3, 12:50 PM EST	Special Weather Statement	JAX	Wayne	40 min
Mar 3, 12:55 PM EST	Severe Thunderstorm Warning	JAX	Wayne	21 min
Mar 3, 1:13 PM EST	Tornado Warning	JAX	Brantley, Pierce, Wayne	47 min
Mar 3, 1:17 PM EST	Tornado Warning	JAX	Atkinson, Clinch, Ware	43 min
Mar 3, 1:43 PM EST	Tornado Warning	JAX	Brantley, Glynn, Wayne	25 min
Mar 3, 2:02 PM EST	Tornado Warning	JAX	Brantley, Pierce, Ware	43 min
Mar 3, 2:04 PM EST	Areal Flood Warning	JAX	Atkinson, Clinch, Pierce, Ware	116 min
Mar 3, 2:27 PM EST	Tornado Warning	JAX	Brantley, Glynn, Pierce, Wayne	28 min
Mar 3, 2:44 PM EST	Tornado Warning	JAX	Glynn	31 min
Mar 3, 2:59 PM EST	Special Weather Statement	JAX	Clinch	46 min
Mar 3, 3:31 PM EST	Areal Flood Warning	JAX	Brantley, Camden, Charlton, Clinch, Echols, Glynn and 1 more	119 min
Mar 3, 4:04 PM EST	Special Weather Statement	JAX	Clinch, Echols, Ware	41 min

Nearby

Flood Watches in Georgia, 2012 Every flood watch 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.