Alert archive / Florida / Freeze Warnings in 2010

Freeze Warning 22, NWS Miami, FL

December 28, 2010Glades County, Hendry County, Palm Beach County, Florida

NWS Miami, FL issued this freeze warning at Dec 28, 2010, 4:08 AM EST for Glades County, Hendry County, Palm Beach County, Florida. It took effect at Dec 29, 2010, 2:00 AM EST. It was in force for 7 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
Dec 28, 2010, 4:08 AM EST (09:08 UTC)
In effect from
Dec 29, 2010, 2:00 AM EST
Expired
Dec 29, 2010, 8:35 AM EST
In force
7 hr
Issued by
NWS Miami, FL

Counties Glades County, FL, Hendry County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 134 km from the middle of the area, began a volume at 09:14 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, 9.1 hours before the alert went out and 119 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 2010-12-28Temperature 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 2010-12-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 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
2078 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
-43 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 warning 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 warning went out at Dec 28, 3:38 AM EST, 30 minutes earlier.

Area forecast discussion, Dec 28, 3:38 AM EST, 30 minutes before
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Hazardous weather outlook, Dec 27, 6:35 PM EST, 9 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
635 PM EST MON DEC 27 2010

FLZ063-066>075-168-172>174-281100-
GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER-
INLAND COLLIER-INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE-
METRO MIAMI DADE-MAINLAND MONROE-COASTAL PALM BEACH-
COASTAL BROWARD-COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE-
635 PM EST MON DEC 27 2010

...FREEZE WARNING ALL AREAS EXCEPT SOUTHEAST/SOUTHWEST COASTS...
...FREEZE WATCH GLADES AND HENDRY COUNTIES WEDNESDAY MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TONIGHT

TEMPERATURES: FREEZING TEMPERATURES CAN BE EXPECTED ACROSS PALM
BEACH, GLADES, HENDRY, AND COLLIER COUNTIES AS WELL AS MAINLAND
SECTIONS OF MONROE AND INLAND SECTIONS OF BROWARD AND MIAMI-DADE
COUNTIES.

WAVES: SEAS TO 8 FEET CAN BE EXPECTED OVER THE OUTER GULF WATERS AND
THE ATLANTIC GULF STREAM.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A FREEZE WARNING IS IN EFFECT FOR MUCH OF SOUTH FLORIDA FOR EARLY
TUESDAY MORNING EXCEPT THE FAR SOUTH PORTIONS, AND A FREEZE
WATCH IS IN EFFECT FOR GLADES AND HENDRY COUNTIES WEDNESDAY MORNING.

SEAS WILL REMAIN ELEVATED IN THE ATLANTIC GULF STREAM TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 28, 2:58 AM ESTRed Flag WarningMFLBroward, Collier, Miami-Dade, Monroe, Palm Beach15 hr
Dec 28, 2:06 PM ESTFire Weather WatchMFL13 hr
Dec 28, 2:14 PM ESTFrost AdvisoryMFLBroward, Collier18 hr

Nearby

Freeze Warnings in Florida, 2010Every freeze warning 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.