Alert archive / Florida / Special Weather Statements in 2009

Special Weather Statement, NWS Jacksonville, FL

June 23, 2009Gilchrist County, Florida

NWS Jacksonville, FL issued this special weather statement at Jun 23, 2009, 5:36 PM EDT for Gilchrist 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 23, 2009, 5:36 PM EDT (21:36 UTC)
Expired
Jun 23, 2009, 6:15 PM EDT
In force
39 min
Issued by
NWS Jacksonville, FL

County Gilchrist County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 9.6 hours before the alert went out and 232 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-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2009-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4313 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2009-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
4313 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
753 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
1.1
Supercell composite
6.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 22, 7:19 PM EDT, 22 hours 17 minutes earlier.

Area forecast discussion, Jun 22, 7:19 PM EDT, 22 hours 17 minutes before
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <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.
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Hazardous weather outlook, Jun 22, 7:00 PM EDT, 22 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
700 PM EDT MON JUN 22 2009

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-231200-
HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY-
ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE-
JEFF DAVIS-BACON-APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY-
INLAND GLYNN-COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN-
COASTAL CAMDEN-
700 PM EDT MON JUN 22 2009

THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.

.DAY ONE...THIS EVENING AND TONIGHT...

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF SOUTHEAST GEORGIA
THROUGH 10 PM...
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF NORTHEAST FLORIDA
THROUGH 1 AM...

THUNDERSTORMS WITH A LONG HISTORY OF PRODUCING SEVERE WEATHER WILL
CONTINUE TO MOVE THROUGH THE AREA FOR THE FIRST PAST OF THE
OVERNIGHT PERIOD. DAMAGING WINDS OF 60 TO 70 MPH ALONG WITH LARGE
HAIL ARE THE MAIN CONCERNS ALTHOUGH AN ISOLATED TORNADO CANNOT BE
RULED OUT AS THE STORMS PROPAGATE SOUTHWARD ALONG THE EAST COAST
SEABREEZE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

THERE WILL BE A CHANCE OF THUNDERSTORMS EACH DAY...PRIMARILY IN
THE AFTERNOON AND EARLY EVENING HOURS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ARE REQUESTED TO ACTIVATE IF POSSIBLE.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.

PP/MZ/JTD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:07 PM EDTSpecial Weather StatementJAXSaint Johns38 min
Jun 22, 8:11 PM EDTSevere Thunderstorm WarningJAXClay, Duval, Nassau, Saint Johns64 min
Jun 22, 8:17 PM EDTSpecial Marine WarningJAX118 min
Jun 22, 8:50 PM EDTSpecial Marine WarningJAX25 min
Jun 22, 8:56 PM EDTSpecial Marine WarningJAX2 hr
Jun 22, 9:03 PM EDTSpecial Weather StatementJAXSuwannee27 min
Jun 22, 9:29 PM EDTSpecial Weather StatementJAXFlagler31 min
Jun 22, 10:57 PM EDTSpecial Weather StatementJAXAlachua48 min
Jun 23, 5:34 AM EDTSpecial Weather StatementJAXMarion26 min
Jun 23, 2:02 PM EDTSpecial Weather StatementJAXSaint Johns28 min
Jun 23, 2:17 PM EDTSpecial Weather StatementJAXSuwannee28 min
Jun 23, 2:37 PM EDTSpecial Weather StatementJAXFlagler53 min
Jun 23, 2:46 PM EDTSpecial Weather StatementJAXColumbia, Gilchrist44 min
Jun 23, 3:11 PM EDTSpecial Weather StatementJAXMarion49 min
Jun 23, 3:22 PM EDTSpecial Weather StatementJAXAlachua38 min
Jun 23, 3:32 PM EDTSpecial Weather StatementJAXGilchrist28 min
Jun 23, 3:58 PM EDTSpecial Weather StatementJAXAlachua47 min
Jun 23, 4:05 PM EDTAreal Flood AdvisoryJAXAlachua71 min
Jun 23, 4:45 PM EDTSpecial Weather StatementJAXPutnam45 min
Jun 23, 4:56 PM EDTSpecial Weather StatementJAXMarion34 min
Jun 23, 6:06 PM EDTSpecial Weather StatementJAXGilchrist39 min
Jun 22, 8:16 PM EDTSpecial Weather StatementJAXCoffee29 min
Jun 22, 9:59 PM EDTSpecial Weather StatementJAXEchols61 min

Nearby

Special Weather Statements in Florida, 2009Every special weather statement 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.