Alert archive / Florida / Wind Chill Advisories in 2010

Wind Chill Advisory 4, NWS Miami, FL

January 4, 2010Broward County, Palm Beach County, Florida

NWS Miami, FL issued this wind chill advisory at Jan 4, 2010, 2:56 PM EST for Broward County, Palm Beach County, Florida. It took effect at Jan 4, 2010, 9:00 PM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 4, 2010, 2:56 PM EST (19:56 UTC)
In effect from
Jan 4, 2010, 9:00 PM EST
Expired
Jan 5, 2010, 6:00 AM EST
In force
9 hr
Issued by
NWS Miami, FL

Counties Broward County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 88 km from the middle of the area, began a volume at 19:55 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 7.9 hours before the alert went out and 230 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, Cape Canaveral, FL at 12:00Z on 2010-01-04Temperature 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, Cape Canaveral, FL at 12:00Z on 2010-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 square meters per square second.1939587897117Sfc1 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
2115 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
53 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 wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Miami, FL wrote its last area forecast discussion before this wind chill advisory went out at Jan 4, 12:23 PM EST, 2 hours 33 minutes earlier.

Area forecast discussion, Jan 4, 12:23 PM EST, 2 hours 33 minutes before
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Hazardous weather outlook, Jan 4, 9:57 AM EST, 4 hours 59 minutes before
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  <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.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 4, 4:43 AM ESTFire Weather WatchMFLBroward, Miami-Dade, Palm Beach25 hr
Jan 4, 4:43 AM ESTRed Flag WarningMFLBroward, Collier, Miami-Dade, Monroe, Palm Beach13 hr
Jan 4, 5:26 AM ESTFreeze WatchMFLBroward, Collier, Glades, Hendry, Miami-Dade, Palm Beach33 hr
Jan 4, 2:47 PM ESTFreeze WarningMFLGlades, Hendry, Palm Beach17 hr
Jan 4, 4:02 PM ESTSmall Craft AdvisoryMFL48 hr

Nearby

Wind Chill Advisories in Florida, 2010Every wind chill advisory in 2010

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.