Alert archive / Florida / Wind Chill Advisories in 2021

Wind Chill Advisory 1, NWS Melbourne, FL

February 1, 20216 counties in Florida

NWS Melbourne, FL issued this wind chill advisory at Feb 1, 2021, 2:55 AM EST for 6 counties in Florida. It took effect at Feb 2, 2021, 1:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Feb 1, 2021, 2:55 AM EST (07:55 UTC)
In effect from
Feb 2, 2021, 1:00 AM EST
Expired
Feb 2, 2021, 9:00 AM EST
In force
8 hr
Issued by
NWS Melbourne, FL

Counties Lake County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 67 km from the middle of the area, began a volume at 07:57 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 00:00Z, 7.9 hours before the alert went out and 73 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 00:00Z on 2021-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.19395878Sfc1 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
14 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1261 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

232 
WWUS42 KMLB 010755
WSWMLB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Melbourne FL
255 AM EST Mon Feb 1 2021

FLZ041-044>047-053-054-058-059-064-141-144-147-021300-
/O.NEW.KMLB.WC.Y.0001.210202T0600Z-210202T1300Z/
Inland Volusia-Northern Lake-Orange-Seminole-Southern Brevard-
Osceola-Indian River-Okeechobee-St. Lucie-Martin-Coastal Volusia-
Southern Lake-Northern Brevard-
Including the cities of Debary, Deland, Deltona, Eustis, 
Mount Dora, Leesburg, Tavares, Apopka, Maitland, Orlando, 
Winter Park, Union Park, Altamonte Springs, Casselberry, Oviedo, 
Sanford, Winter Springs, Melbourne, Palm Bay, Rockledge, 
Celebration, Kissimmee, Saint Cloud, Sebastian, Vero Beach, 
Basinger, Fort Drum, Okeechobee, Port Saint Lucie, Fort Pierce, 
Hobe Sound, Jensen Beach, Port Salerno, Stuart, Daytona Beach, 
New Smyrna Beach, Ormond Beach, Clermont, Mascotte, Groveland, 
Cocoa, and Titusville
255 AM EST Mon Feb 1 2021

...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 8 AM EST TUESDAY...

* WHAT...Cold wind chills ranging from 28 to 33 degrees expected.

* WHERE...Volusia, Lake, Orange, Seminole, Osceola, Brevard,
  Indian River, St. Lucie, Martin, and Okeechobee Counties.

* WHEN...1 AM to 8 AM Tuesday.

* ADDITIONAL DETAILS...Cold weather shelters may be open in your 
  location tonight. Check with local county emergency management 
  for locations and operating hours of shelters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Make sure you dress
appropriately for the cold weather, including a coat, a hat and
gloves.

$$

Rodriguez
3 follow-up statements
933 
WWUS42 KMLB 011500
WSWMLB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Melbourne FL
1000 AM EST Mon Feb 1 2021

FLZ041-044>047-053-054-058-059-064-141-144-147-021300-
/O.CON.KMLB.WC.Y.0001.210202T0600Z-210202T1300Z/
Inland Volusia-Northern Lake-Orange-Seminole-Southern Brevard-
Osceola-Indian River-Okeechobee-St. Lucie-Martin-Coastal Volusia-
Southern Lake-Northern Brevard-
Including the cities of Debary, Deland, Deltona, Eustis, 
Mount Dora, Leesburg, Tavares, Apopka, Maitland, Orlando, 
Winter Park, Union Park, Altamonte Springs, Casselberry, Oviedo, 
Sanford, Winter Springs, Melbourne, Palm Bay, Rockledge, 
Celebration, Kissimmee, Saint Cloud, Sebastian, Vero Beach, 
Basinger, Fort Drum, Okeechobee, Port Saint Lucie, Fort Pierce, 
Hobe Sound, Jensen Beach, Port Salerno, Stuart, Daytona Beach, 
New Smyrna Beach, Ormond Beach, Clermont, Mascotte, Groveland, 
Cocoa, and Titusville
1000 AM EST Mon Feb 1 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EST
TUESDAY...

* WHAT...Cold wind chills expected. Air temperatures in the mid
  30s to low 40s and west to northwest winds up to 10 to 15 mph
  across the interior and up to 15 to 20 mph along the coast will
  lead to wind chills ranging from 28 to 33 degrees late tonight 
  through early morning Tuesday.

* WHERE...Volusia, Lake, Orange, Seminole, Osceola, Brevard, 
  Indian River, St. Lucie, Martin, and Okeechobee Counties.

* WHEN...1 AM to 8 AM Tuesday.

* ADDITIONAL DETAILS...Cold weather shelters may be open in your 
  location tonight. Check with local county emergency management 
  for locations and operating hours of shelters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Make sure you dress
appropriately for the cold weather, including a coat, a hat and
gloves.

$$

Weitlich
101 
WWUS42 KMLB 011924
WSWMLB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Melbourne FL
224 PM EST Mon Feb 1 2021

FLZ041-044>047-053-054-058-059-064-141-144-147-021400-
/O.EXT.KMLB.WC.Y.0001.210202T0600Z-210202T1400Z/
Inland Volusia-Northern Lake-Orange-Seminole-Southern Brevard-
Osceola-Indian River-Okeechobee-St. Lucie-Martin-Coastal Volusia-
Southern Lake-Northern Brevard-
Including the cities of Debary, Deland, Deltona, Eustis, 
Mount Dora, Leesburg, Tavares, Apopka, Maitland, Orlando, 
Winter Park, Union Park, Altamonte Springs, Casselberry, Oviedo, 
Sanford, Winter Springs, Melbourne, Palm Bay, Rockledge, 
Celebration, Kissimmee, Saint Cloud, Sebastian, Vero Beach, 
Basinger, Fort Drum, Okeechobee, Port Saint Lucie, Fort Pierce, 
Hobe Sound, Jensen Beach, Port Salerno, Stuart, Daytona Beach, 
New Smyrna Beach, Ormond Beach, Clermont, Mascotte, Groveland, 
Cocoa, and Titusville
224 PM EST Mon Feb 1 2021

...WIND CHILL ADVISORY NOW IN EFFECT FROM 1 AM TO 9 AM EST
TUESDAY...

* WHAT...Cold wind chills expected. Air temperatures in the mid 
  30s to low 40s, and west to northwest winds up to 10 to 15 mph 
  across the interior and up to 15 to 20 mph along the coast 
  will lead to wind chills ranging from 26 to 33 degrees late 
  tonight through early morning Tuesday.

* WHERE...Volusia, Lake, Orange, Seminole, Osceola, Brevard, 
  Indian River, St. Lucie, Martin, and Okeechobee Counties.

* WHEN...1 AM to 9 AM Tuesday.

* ADDITIONAL DETAILS...Cold weather shelters may be open in your 
  location tonight. Check with local county emergency management 
  for locations and operating hours of shelters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Make sure you dress
appropriately for the cold weather, including a coat, a hat and
gloves.

$$

Weitlich
354 
WWUS42 KMLB 020655
WSWMLB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Melbourne FL
155 AM EST Tue Feb 2 2021

FLZ041-044>047-053-054-058-059-064-141-144-147-021400-
/O.CON.KMLB.WC.Y.0001.000000T0000Z-210202T1400Z/
Inland Volusia-Northern Lake-Orange-Seminole-Southern Brevard-
Osceola-Indian River-Okeechobee-St. Lucie-Martin-Coastal Volusia-
Southern Lake-Northern Brevard-
Including the cities of Debary, Deland, Deltona, Eustis, 
Mount Dora, Leesburg, Tavares, Apopka, Maitland, Orlando, 
Winter Park, Union Park, Altamonte Springs, Casselberry, Oviedo, 
Sanford, Winter Springs, Melbourne, Palm Bay, Rockledge, 
Celebration, Kissimmee, Saint Cloud, Sebastian, Vero Beach, 
Basinger, Fort Drum, Okeechobee, Port Saint Lucie, Fort Pierce, 
Hobe Sound, Jensen Beach, Port Salerno, Stuart, Daytona Beach, 
New Smyrna Beach, Ormond Beach, Clermont, Mascotte, Groveland, 
Cocoa, and Titusville
155 AM EST Tue Feb 2 2021

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM EST THIS MORNING...

* WHAT...Cold wind chills ongoing. Wind chills in the low to mid
  30s will continue to decrease early this morning, dropping to
  between 26 to 32 degrees.
 
* WHERE...Volusia, Lake, Orange, Seminole, Osceola, Brevard,
  Indian River, St. Lucie, Martin, and Okeechobee Counties.

* WHEN...Through 9 AM this morning.

* ADDITIONAL DETAILS...Cold weather shelters may be open in your 
  location tonight. Check with local county emergency management 
  for locations and operating hours of shelters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Make sure you dress
appropriately for the cold weather, including a coat, a hat and
gloves.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 1, 2:45 AM ESTGale WarningMLB40 hr
Feb 1, 4:54 AM ESTSpecial Marine WarningMLB81 min
Feb 1, 4:59 AM ESTSpecial Weather StatementMLBBrevard, Osceola46 min
Feb 1, 9:48 AM ESTWind AdvisoryMLB12 hr
Feb 1, 10:05 AM ESTSmall Craft AdvisoryMLB52 hr
Feb 1, 6:57 PM ESTRed Flag WarningMLBOkeechobee, Orange, Osceola, Seminole23 hr

Nearby

Wind Chill Advisories in Florida, 2021Every wind chill advisory in 2021

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.