Alert archive / Florida / Wind Chill Advisories in 2010

Wind Chill Advisory 16, NWS Miami, FL

December 26, 20107 counties in Florida

NWS Miami, FL issued this wind chill advisory at Dec 26, 2010, 3:53 AM EST for 7 counties in Florida. It took effect at Dec 27, 2010, 12:00 AM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Dec 26, 2010, 3:53 AM EST (08:53 UTC)
In effect from
Dec 27, 2010, 12:00 AM EST
Expired
Dec 27, 2010, 9:00 AM EST
In force
9 hr
Issued by
NWS Miami, FL

Counties Broward County, FL, Collier County, FL, Glades County, FL, Hendry County, FL, Miami-Dade County, FL, Monroe County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 82 km from the middle of the area, began a volume at 08:53 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

Tampa Bay, FL (KTBW), launched 00:00Z, 8.9 hours before the alert went out and 224 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 00:00Z on 2010-12-26Temperature 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, Tampa Bay, FL at 00:00Z on 2010-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 288 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
1071 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
288 m²/s²
0-3 km storm-relative helicity
283 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 Dec 25, 6:54 PM EST, 8 hours 59 minutes earlier.

Area forecast discussion, Dec 25, 6:54 PM EST, 8 hours 59 minutes before
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Hazardous weather outlook, Dec 25, 9:45 AM EST, 18 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
945 AM EST SAT DEC 25 2010

FLZ063-066>075-168-172>174-260545-
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-
945 AM EST SAT DEC 25 2010

...FREEZE AND WIND CHILL WATCHES IN EFFECT FOR MUCH OF THE REGION...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TODAY AND TONIGHT

RIP CURRENTS: SOUTH SOUTHEAST WINDS NEAR 10 MPH IN THE LATE
MORNING AND AFTERNOON COMBINED WITH A 3 TO 4 FOOT SWELL WILL
PRODUCE A MODERATE RISK OF RIP CURRENTS TODAY ALONG THE ATLANTIC
BEACHES.

THUNDERSTORMS: THERE WILL BE A SLIGHT RISK OF LIGHTNING TONIGHT IN
ADVANCE OF THE COLD FRONT THAT WILL PASS THROUGH SOUTH FLORIDA ON
SUNDAY.

WIND: SOUTH WINDS AROUND 10 KNOTS WILL BECOME SOUTHWEST TONIGHT
AND INCREASE TO 20 TO 25 KNOTS LATE TONIGHT OVER THE GULF OF
MEXICO AND ATLANTIC WATERS INCLUDING LAKE OKEECHOBEE.

WAVES: SEAS WILL BE UP TO 7 FEET OVER THE NORTHERN ATLANTIC
COASTAL WATERS THROUGH TONIGHT AND WILL BECOME 7 TO 8 FEET OVER
THE OUTER GULF OF MEXICO COASTAL WATERS LATE TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ANOTHER STRONG COLD FRONT WILL MOVE ACROSS SOUTH FLORIDA SUNDAY.
A FREEZE WATCH HAS BEEN ISSUED FOR MUCH OF THE REGION FOR BOTH
SUNDAY NIGHT INTO MONDAY MORNING AND MONDAY NIGHT INTO TUESDAY
MORNING.

WINDS BEHIND THE FRONT WILL ALSO RESULT IN HAZARDOUS MARINE
CONDITIONS THROUGH EARLY 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 26, 3:33 AM ESTFire Weather WatchMFLBroward, Miami-Dade, Palm Beach24 hr
Dec 26, 2:13 PM ESTFreeze WarningMFLBroward, Collier, Glades, Hendry, Palm Beach18 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.