Alert archive / Florida / Red Flag Warnings in 2013

Red Flag Warning 1, NWS Jacksonville, FL

January 18, 2013Baker County, Suwannee County, Florida

NWS Jacksonville, FL issued this red flag warning at Jan 18, 2013, 4:03 AM EST for Baker County, Suwannee County, Florida. It took effect at Jan 18, 2013, 12:00 PM EST. It was in force for 6 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
Jan 18, 2013, 4:03 AM EST (09:03 UTC)
In effect from
Jan 18, 2013, 12:00 PM EST
Expired
Jan 18, 2013, 5:46 PM EST
In force
6 hr
Issued by
NWS Jacksonville, FL

Counties Baker County, FL, Suwannee County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 9.1 hours before the alert went out and 94 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, Jacksonville, FL at 00:00Z on 2013-01-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Jacksonville, FL at 00:00Z on 2013-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1516 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
40 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 red flag 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 red flag warning went out at Jan 18, 3:19 AM EST, 44 minutes earlier.

Area forecast discussion, Jan 18, 3:19 AM EST, 44 minutes before
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Hazardous weather outlook, Jan 18, 3:16 AM EST, 47 minutes before
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<body>
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    <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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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 18, 3:03 AM ESTLake Wind AdvisoryJAXBaker, Bradford, Gilchrist, Union15 hr
Jan 18, 3:03 AM ESTWind AdvisoryJAXFlagler, Nassau15 hr
Jan 18, 3:06 AM ESTRip Current StatementJAXFlagler, Nassau39 hr
Jan 18, 2:43 PM ESTSmall Craft AdvisoryJAX29 hr
Jan 18, 5:40 PM ESTLake Wind AdvisoryJAXFlagler, Nassau4 hr

Nearby

Red Flag Warnings in Florida, 2013Every red flag warning in 2013

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.