Alert archive / Florida / Wind Advisories in 2020

Wind Advisory 3, NWS Melbourne, FL

February 21, 20205 counties in Florida

NWS Melbourne, FL issued this wind advisory at Feb 21, 2020, 3:09 AM EST for 5 counties in Florida. It took effect at Feb 21, 2020, 4:00 AM EST. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Feb 21, 2020, 3:09 AM EST (08:09 UTC)
In effect from
Feb 21, 2020, 4:00 AM EST
Expired
Feb 22, 2020, 3:00 AM EST
In force
23 hr
Issued by
NWS Melbourne, FL

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

The radar

The Melbourne radar (KMLB), 55 km from the middle of the area, began a volume at 08:12 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, 8.2 hours before the alert went out and 65 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 2020-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 540 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 2020-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 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
540 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

143 
WWUS72 KMLB 210809
NPWMLB

URGENT - WEATHER MESSAGE
National Weather Service Melbourne FL
309 AM EST Fri Feb 21 2020

FLZ047-141-147-220800-
/O.NEW.KMLB.WI.Y.0003.200221T0900Z-200222T0800Z/
Southern Brevard-Coastal Volusia-Northern Brevard-
Including the cities of Melbourne, Palm Bay, Rockledge, 
Daytona Beach, New Smyrna Beach, Ormond Beach, Cocoa, 
and Titusville
309 AM EST Fri Feb 21 2020

...WIND ADVISORY IN EFFECT UNTIL 3 AM EST SATURDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 40 mph 
  expected.

* WHERE...Southern Brevard, Coastal Volusia and Northern Brevard 
  Counties.

* WHEN...Until 3 AM EST Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

FLZ054-059-064-220800-
/O.NEW.KMLB.WI.Y.0003.200221T1500Z-200222T0800Z/
Indian River-St. Lucie-Martin-
Including the cities of Sebastian, Vero Beach, Port Saint Lucie, 
Fort Pierce, Hobe Sound, Jensen Beach, Port Salerno, and Stuart
309 AM EST Fri Feb 21 2020

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 AM EST
SATURDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 35 to 40 mph 
  expected.

* WHERE...Indian River, St. Lucie and Martin Counties.

* WHEN...From 10 AM this morning to 3 AM EST Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

FLZ041-045-046-053-058-220100-
/O.NEW.KMLB.WI.Y.0003.200221T1500Z-200222T0100Z/
Inland Volusia-Orange-Seminole-Osceola-Okeechobee-
Including the cities of Debary, Deland, Deltona, Apopka, 
Maitland, Orlando, Winter Park, Union Park, Altamonte Springs, 
Casselberry, Oviedo, Sanford, Winter Springs, Celebration, 
Kissimmee, Saint Cloud, Basinger, Fort Drum, and Okeechobee
309 AM EST Fri Feb 21 2020

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EST
THIS EVENING...

* WHAT...North winds 20 to 25 mph with gusts up to 30 to 35 mph 
  expected.

* WHERE...Inland Volusia, Orange, Seminole, Osceola and 
  Okeechobee Counties.

* WHEN...From 10 AM this morning to 8 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

FLZ044-144-220100-
/O.NEW.KMLB.LW.Y.0010.200221T1500Z-200222T0100Z/
Northern Lake-Southern Lake-
Including the cities of Eustis, Mount Dora, Leesburg, Tavares, 
Clermont, Mascotte, and Groveland
309 AM EST Fri Feb 21 2020

...LAKE WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM
EST THIS EVENING...

* WHAT...North winds 15 to 20 mph with gusts up to 30 mph 
  expected.

* WHERE...Northern Lake and Southern Lake Counties.

* WHEN...From 10 AM this morning to 8 PM EST this evening.

* IMPACTS...Strong winds and rough waves on area lakes will create
  hazardous conditions for small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.

&&

$$
2 follow-up statements
769 
WWUS72 KMLB 220144
NPWMLB

URGENT - WEATHER MESSAGE
National Weather Service Melbourne FL
844 PM EST Fri Feb 21 2020

FLZ047-054-059-064-141-147-220800-
/O.CON.KMLB.WI.Y.0003.000000T0000Z-200222T0800Z/
Southern Brevard-Indian River-St. Lucie-Martin-Coastal Volusia-
Northern Brevard-
Including the cities of Melbourne, Palm Bay, Rockledge, 
Sebastian, Vero Beach, Port Saint Lucie, Fort Pierce, Hobe Sound,
Jensen Beach, Port Salerno, Stuart, Daytona Beach, 
New Smyrna Beach, Ormond Beach, Cocoa, and Titusville
844 PM EST Fri Feb 21 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST SATURDAY...

* WHAT...North winds 30 to 35 mph with gusts up to 45 mph along
  the barrier islands and Intracoastal Waterways. North winds 20
  to 30 mph with gusts to around 35 mph on the mainland.

* WHERE...Martin, Coastal Volusia, Northern Brevard, Southern 
  Brevard, St. Lucie and Indian River Counties.

* WHEN...Until 3 AM EST Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  High profile vehicles may have trouble crossing the causeways
  between the barrier islands and the mainland due to strong 
  crosswinds through midnight. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure trash cans, lawn furniture, and other
loose outdoor objects that can be easily blown around by strong
winds.

&&

$$

Rodriguez
271 
WWUS72 KMLB 220810
NPWMLB

URGENT - WEATHER MESSAGE
National Weather Service Melbourne FL
310 AM EST Sat Feb 22 2020

FLZ047-054-059-064-141-147-220915-
/O.EXP.KMLB.WI.Y.0003.000000T0000Z-200222T0800Z/
Southern Brevard-Indian River-St. Lucie-Martin-Coastal Volusia-
Northern Brevard-
Including the cities of Melbourne, Palm Bay, Rockledge, 
Sebastian, Vero Beach, Port Saint Lucie, Fort Pierce, Hobe Sound,
Jensen Beach, Port Salerno, Stuart, Daytona Beach, 
New Smyrna Beach, Ormond Beach, Cocoa, and Titusville
310 AM EST Sat Feb 22 2020

...WIND ADVISORY HAS EXPIRED...

Northerly winds will continue to decrease through daybreak along 
the immediate coast and barrier islands, and therefore the Wind 
Advisory will be allowed to expire. However winds will still be 
breezy today, as they become north to northeast around 15 to 20 
mph with higher gusts. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 10:31 PM ESTHigh Surf AdvisoryMLBVolusia53 hr
Feb 21, 3:09 AM ESTLake Wind AdvisoryMLBLake17 hr
Feb 21, 4:14 AM ESTSmall Craft AdvisoryMLB63 hr
Feb 21, 3:17 PM ESTWind Chill AdvisoryMLBLake, Volusia17 hr

Nearby

Wind Advisories in Florida, 2020Every wind advisory in 2020

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.