Alert archive / Florida / Wind Chill Advisories in 2017

Wind Chill Advisory 2, NWS Melbourne, FL

January 8, 2017Lake County, Volusia County, Florida

NWS Melbourne, FL issued this wind chill advisory at Jan 8, 2017, 2:28 PM EST for Lake County, Volusia County, Florida. It took effect at Jan 8, 2017, 11:00 PM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 8, 2017, 2:28 PM EST (19:28 UTC)
In effect from
Jan 8, 2017, 11:00 PM EST
Expired
Jan 9, 2017, 8:00 AM EST
In force
9 hr
Issued by
NWS Melbourne, FL

Counties Lake County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 117 km from the middle of the area, began a volume at 19:27 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, 7.5 hours before the alert went out and 103 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 2017-01-08Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2017-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -98 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
1067 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-98 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

447 
WWUS42 KMLB 081928
WSWMLB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
228 PM EST SUN JAN 8 2017

FLZ041-044-144-091400-
/O.NEW.KMLB.WC.Y.0002.170109T0400Z-170109T1400Z/
INLAND VOLUSIA COUNTY-NORTHERN LAKE COUNTY-SOUTHERN LAKE COUNTY-
INCLUDING THE CITIES OF...DEBARY...DELAND...DELTONA...EUSTIS...
MOUNT DORA...LEESBURG...TAVARES...CLERMONT...MASCOTTE...GROVELAND
228 PM EST SUN JAN 8 2017

...WIND CHILL ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 9 AM
EST MONDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EST
MONDAY. 

TEMPERATURES WILL FALL INTO THE MID TO UPPER 30S WITH NORTHERLY
WINDS NEAR 10 MPH ACROSS LAKE AND INTERIOR VOLUSIA COUNTIES
OVERNIGHT. THIS WILL PRODUCE WIND CHILL VALUES IN THE UPPER 20S
TO LOW 30S ACROSS THIS AREA FROM LATE THIS EVENING INTO EARLY
MONDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT COLD AIR AND STRONG WINDS WILL
COMBINE TO GENERATE LOW WIND CHILLS. IF YOU MUST VENTURE
OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$
1 follow-up statement
995 
WWUS42 KMLB 090859
WSWMLB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
359 AM EST MON JAN 9 2017

FLZ041-044-144-091300-
/O.EXT.KMLB.WC.Y.0002.000000T0000Z-170109T1300Z/
INLAND VOLUSIA COUNTY-NORTHERN LAKE COUNTY-SOUTHERN LAKE COUNTY-
INCLUDING THE CITIES OF...DEBARY...DELAND...DELTONA...EUSTIS...
MOUNT DORA...LEESBURG...TAVARES...CLERMONT...MASCOTTE...GROVELAND
359 AM EST MON JAN 9 2017

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 8 AM EST THIS
MORNING...

TEMPERATURES IN THE MID TO UPPER 30S WITH NORTHERLY WINDS NEAR 10
MPH ACROSS LAKE AND INTERIOR VOLUSIA COUNTIES, WILL PRODUCE WIND
CHILL VALUES IN THE UPPER 20S TO LOWER 30S UNTIL A LITTLE AFTER 
SUNRISE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT COLD AIR AND WINDS WILL COMBINE
TO GENERATE LOW WIND CHILLS. IF YOU MUST VENTURE OUTDOORS...MAKE
SURE YOU WEAR A HAT AND GLOVES.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 3:53 AM ESTSmall Craft AdvisoryMLB60 hr

Nearby

Wind Chill Advisories in Florida, 2017Every wind chill advisory in 2017

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.