Alert archive / Georgia / Freeze Warnings in 2009

Freeze Warning 13, NWS Jacksonville, FL

March 1, 20096 counties in Florida; 12 counties in Georgia

NWS Jacksonville, FL issued this freeze warning at Mar 1, 2009, 2:04 PM EST for 6 counties in Florida; 12 counties in Georgia. It took effect at Mar 2, 2009, 3:00 AM EST. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 1, 2009, 2:04 PM EST (19:04 UTC)
In effect from: Mar 2, 2009, 3:00 AM EST
Expired: Mar 2, 2009, 3:19 AM EST
In force: 19 min
Issued by: NWS Jacksonville, FL

Counties Baker County, FL, Bradford 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 nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.1 hours before the alert went out and 195 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 575 m above ground
0-6 km bulk shear: 86 kt
0-1 km storm-relative helicity: -284 m²/s²
0-3 km storm-relative helicity: -70 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze 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 freeze warning went out at Mar 1, 9:50 AM EST, 4 hours 14 minutes earlier.

Area forecast discussion, Mar 1, 9:50 AM EST, 4 hours 14 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Mar 1, 10:25 AM EST, 3 hours 39 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Local storm report, Mar 1, 8:43 AM EST, 5 hours 21 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Mar 1, 8:48 AM EST, 5 hours 16 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Mar 1, 9:36 AM EST, 4 hours 28 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 8:05 PM EST	Wind Advisory	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	22 hr
Feb 28, 10:49 PM EST	Special Weather Statement	JAX	Hamilton	41 min
Feb 28, 11:36 PM EST	Special Weather Statement	JAX	Hamilton	39 min
Feb 28, 11:40 PM EST	Special Weather Statement	JAX	Suwannee	35 min
Mar 1, 12:17 AM EST	Special Weather Statement	JAX	Hamilton	43 min
Mar 1, 1:41 AM EST	Special Weather Statement	JAX	Union	49 min
Mar 1, 2:16 AM EST	Fire Weather Watch	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	36 hr
Mar 1, 3:03 AM EST	Gale Warning	JAX		30 hr
Mar 1, 3:11 AM EST	Special Weather Statement	JAX	Duval	34 min
Mar 1, 3:54 AM EST	Special Weather Statement	JAX	Baker, Union	36 min
Mar 1, 4:20 AM EST	Severe Thunderstorm Warning	JAX	Baker, Nassau	25 min
Mar 1, 4:47 AM EST	Special Weather Statement	JAX	Nassau	28 min
Mar 1, 9:58 AM EST	Special Marine Warning	JAX		47 min
Mar 1, 2:04 PM EST	Freeze Watch	JAX	Flagler, Nassau	24 hr
Mar 1, 2:04 PM EST	Hard Freeze Watch	JAX	Baker, Bradford, Gilchrist, Suwannee, Union	24 hr
Mar 1, 2:04 PM EST	Wind Chill Advisory	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	13 hr
Mar 1, 2:43 PM EST	Red Flag Warning	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	28 hr
Mar 1, 6:42 PM EST	Lake Wind Advisory	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	3 hr
Feb 28, 7:24 PM EST	Special Weather Statement	JAX	Clinch	51 min
Feb 28, 7:53 PM EST	Special Weather Statement	JAX	Brantley, Ware	52 min
Feb 28, 8:41 PM EST	Special Weather Statement	JAX	Clinch	49 min
Feb 28, 10:16 PM EST	Special Weather Statement	JAX	Brantley	29 min
Feb 28, 10:43 PM EST	Special Weather Statement	JAX	Glynn	32 min
Feb 28, 11:58 PM EST	Special Weather Statement	JAX	Bacon, Coffee, Jeff Davis	32 min
Mar 1, 12:26 AM EST	Special Weather Statement	JAX	Atkinson, Bacon, Coffee, Jeff Davis	34 min
Mar 1, 12:57 AM EST	Special Weather Statement	JAX	Appling, Bacon, Coffee, Jeff Davis	33 min
Mar 1, 1:26 AM EST	Special Weather Statement	JAX	Appling, Bacon, Wayne	34 min
Mar 1, 1:28 AM EST	Special Weather Statement	JAX	Atkinson	32 min
Mar 1, 1:58 AM EST	Special Weather Statement	JAX	Bacon, Coffee	32 min
Mar 1, 1:59 AM EST	Special Weather Statement	JAX	Appling, Bacon	31 min
Mar 1, 2:24 AM EST	Special Weather Statement	JAX	Appling	36 min
Mar 1, 2:32 AM EST	Severe Thunderstorm Warning	JAX	Clinch, Echols	28 min
Mar 1, 3:02 AM EST	Special Weather Statement	JAX	Clinch, Ware	43 min
Mar 1, 3:32 AM EST	Severe Thunderstorm Warning	JAX	Brantley, Charlton, Clinch, Pierce, Ware	43 min
Mar 1, 4:07 AM EST	Special Weather Statement	JAX	Brantley, Pierce, Wayne	38 min
Mar 1, 4:24 AM EST	Special Weather Statement	JAX	Echols	51 min
Mar 1, 4:30 AM EST	Special Weather Statement	JAX	Pierce	45 min
Mar 1, 4:35 AM EST	Severe Thunderstorm Warning	JAX	Clinch, Echols, Ware	40 min
Mar 1, 5:12 AM EST	Severe Thunderstorm Warning	JAX	Appling, Bacon, Brantley, Clinch, Pierce, Ware and 1 more	48 min
Mar 1, 5:40 AM EST	Tornado Warning	JAX	Brantley, Pierce, Ware	35 min
Mar 1, 6:05 AM EST	Special Weather Statement	JAX	Wayne	40 min
Mar 1, 6:09 AM EST	Special Weather Statement	JAX	Camden, Charlton, Glynn	66 min

Nearby

Freeze Warnings in Georgia, 2009 Freeze Warnings in Florida, 2009 Every freeze warning in 2009

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.