Alert archive / Florida / Wind Advisories in 2020

Wind Advisory 10, NWS Melbourne, FL

November 8, 20205 counties in Florida

NWS Melbourne, FL issued this wind advisory at Nov 8, 2020, 9:38 AM EST for 5 counties in Florida. It took effect at Nov 8, 2020, 4:00 PM EST. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Nov 8, 2020, 9:38 AM EST (14:38 UTC)
In effect from
Nov 8, 2020, 4:00 PM EST
Expired
Nov 9, 2020, 7:00 PM EST
In force
27 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 14:40 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, 2.6 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 12:00Z on 2020-11-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 339 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 12:00Z on 2020-11-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -58 square meters per square second.193958Sfc1 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
339 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
888 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-58 m²/s²
0-3 km storm-relative helicity
-26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

972 
WWUS72 KMLB 081438
NPWMLB

URGENT - WEATHER MESSAGE
National Weather Service Melbourne FL
938 AM EST Sun Nov 8 2020

FLZ141-092100-
/O.NEW.KMLB.WI.Y.0010.201108T2100Z-201109T2100Z/
Coastal Volusia-
Including the cities of Daytona Beach, New Smyrna Beach, 
and Ormond Beach
938 AM EST Sun Nov 8 2020

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM EST
MONDAY...

* WHAT...East winds increasing to 25 to 30 mph with gusts up to 
  40 to 45 mph.

* WHERE...Coastal Volusia County, especially the barrier islands.

* WHEN...From 4 PM this afternoon to 4 PM EST Monday.

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

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
1 follow-up statement
221 
WWUS72 KMLB 091514
NPWMLB

URGENT - WEATHER MESSAGE
National Weather Service Melbourne FL
1014 AM EST Mon Nov 9 2020

FLZ041-045>047-053-054-058-059-064-147-100000-
/O.EXB.KMLB.WI.Y.0010.000000T0000Z-201110T0000Z/
Inland Volusia-Orange-Seminole-Southern Brevard-Osceola-
Indian River-Okeechobee-St. Lucie-Martin-Northern Brevard-
Including the cities of Debary, Deland, Deltona, 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, Cocoa, and Titusville
1014 AM EST Mon Nov 9 2020

...WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...

* WHAT...East winds near 25 mph with gusts 35 to 40 mph.

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

* WHEN...Until 7 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

FLZ141-100000-
/O.EXT.KMLB.WI.Y.0010.000000T0000Z-201110T0000Z/
Coastal Volusia-
Including the cities of Daytona Beach, New Smyrna Beach, 
and Ormond Beach
1014 AM EST Mon Nov 9 2020

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS EVENING...

* WHAT...East winds near 25 mph with gusts 35 to 40 mph.

* WHERE...Coastal Volusia County.

* WHEN...Until 7 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 7, 8:22 PM ESTSpecial Marine WarningMLB3 hr
Nov 7, 10:28 PM ESTTropical Storm WarningMLBLake, Okeechobee4 days
Nov 8, 4:53 AM ESTGale WarningMLB47 hr
Nov 8, 11:01 AM ESTSpecial Marine WarningMLB3 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.