Alert archive / Florida / Freeze Watches in 2010

Freeze Watch 21, NWS Miami, FL

December 27, 2010Glades County, Hendry County, Florida

NWS Miami, FL issued this freeze watch at Dec 27, 2010, 4:40 AM EST for Glades County, Hendry County, Florida. It took effect at Dec 29, 2010, 4:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 27, 2010, 4:40 AM EST (09:40 UTC)
In effect from
Dec 29, 2010, 4:00 AM EST
Expired
Dec 28, 2010, 4:08 AM EST
In force
Issued by
NWS Miami, FL

Counties Glades County, FL, Hendry County, FL

The radar

The Miami radar (KAMX), 148 km from the middle of the area, began a volume at 09:41 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

Miami, FL (KMFL), launched 00:00Z, 9.7 hours before the alert went out and 137 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, Miami, FL at 00:00Z on 2010-12-27Temperature 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, Miami, FL at 00:00Z on 2010-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -91 square meters per square second.1939587897117136Sfc1 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
1113 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
-91 m²/s²
0-3 km storm-relative helicity
-61 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 freeze watch 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 freeze watch went out at Dec 27, 12:43 AM EST, 3 hours 57 minutes earlier.

Area forecast discussion, Dec 27, 12:43 AM EST, 3 hours 57 minutes before
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Hazardous weather outlook, Dec 26, 7:00 PM EST, 9 hours 40 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 27, 3:53 AM ESTFire Weather WatchMFLBroward, Collier, Miami-Dade, Monroe, Palm Beach23 hr
Dec 27, 3:53 AM ESTRed Flag WarningMFLBroward, Miami-Dade, Palm Beach14 hr
Dec 27, 4:40 AM ESTFreeze WarningMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more28 hr
Dec 27, 2:18 PM ESTHard Freeze WarningMFLGlades, Hendry19 hr
Dec 27, 2:24 PM ESTWind Chill AdvisoryMFLBroward, Collier, Miami-Dade, Monroe, Palm Beach19 hr

Nearby

Freeze Watches in Florida, 2010Every freeze watch 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.