Alert archive / Florida / Wind Advisories in 2021

Wind Advisory 3, NWS Melbourne, FL

March 20, 2021Volusia County, Florida

NWS Melbourne, FL issued this wind advisory at Mar 20, 2021, 6:09 PM EDT for Volusia County, Florida. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Mar 20, 2021, 6:09 PM EDT (22:09 UTC)
Expired
Mar 20, 2021, 11:00 PM EDT
In force
5 hr
Issued by
NWS Melbourne, FL

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 22:09 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, 10.2 hours before the alert went out and 91 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 2021-03-20Temperature 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, Cape Canaveral, FL at 12:00Z on 2021-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939587897Sfc1 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
1008 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

140 
WWUS72 KMLB 202209
NPWMLB

URGENT - WEATHER MESSAGE
National Weather Service Melbourne FL
609 PM EDT Sat Mar 20 2021

FLZ141-147-210300-
/O.NEW.KMLB.WI.Y.0003.210320T2209Z-210321T0300Z/
Coastal Volusia-Northern Brevard-
Including the cities of Daytona Beach, New Smyrna Beach, 
Ormond Beach, Cocoa, and Titusville
609 PM EDT Sat Mar 20 2021

...WIND ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

* WHAT...North winds 20 to 25 mph with gusts up to 40 mph.

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

* WHEN...Until 11 PM EDT 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 20, 4:40 AM EDTBeach Hazards StatementMLBVolusia15 hr
Mar 20, 4:40 AM EDTHigh Surf AdvisoryMLBVolusia23 hr
Mar 20, 6:07 PM EDTGale WarningMLB4 hr
Mar 20, 6:07 PM EDTSmall Craft AdvisoryMLB70 hr

Nearby

Wind Advisories in Florida, 2021Every wind 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.