Alert archive / Florida / Wind Advisories in 2021
Wind Advisory 8, NWS Melbourne, FL
NWS Melbourne, FL issued this wind advisory at Dec 21, 2021, 3:32 AM EST for Okeechobee County, Osceola County, Florida. It took effect at Dec 21, 2021, 10:00 AM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Dec 21, 2021, 3:32 AM EST (08:32 UTC)
- In effect from
- Dec 21, 2021, 10:00 AM EST
- Expired
- Dec 21, 2021, 6:03 PM EST
- In force
- 8 hr
- Issued by
- NWS Melbourne, FL
Counties Okeechobee County, FL, Osceola County, FL
The radar
The Melbourne radar (KMLB), 56 km from the middle of the area, began a volume at 08:34 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, 8.5 hours before the alert went out and 97 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.
- Mixed-layer CAPE
- 73 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 558 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
950 WWUS72 KMLB 210832 NPWMLB URGENT - WEATHER MESSAGE National Weather Service Melbourne FL 332 AM EST Tue Dec 21 2021 FLZ054-058-059-064-220000- /O.NEW.KMLB.WI.Y.0008.211221T1500Z-211222T0000Z/ Indian River-Okeechobee-St. Lucie-Martin- Including the cities of Sebastian, Vero Beach, Basinger, Fort Drum, Okeechobee, Port Saint Lucie, Fort Pierce, Hobe Sound, Jensen Beach, Port Salerno, and Stuart 332 AM EST Tue Dec 21 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EST THIS EVENING... * WHAT...Southwest winds 15 to 25 mph with gusts up to 35 mph expected. * WHERE...Indian River, Okeechobee, St. Lucie and Martin Counties. * WHEN...From 10 AM this morning to 7 PM EST this evening. * IMPACTS...Gusty winds could blow around unsecured objects, including holiday decorations. 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, including holiday decorations. && $$
2 follow-up statements
280 WWUS72 KMLB 211727 NPWMLB URGENT - WEATHER MESSAGE National Weather Service Melbourne FL 1227 PM EST Tue Dec 21 2021 FLZ047-053-220000- /O.EXA.KMLB.WI.Y.0008.000000T0000Z-211222T0000Z/ Southern Brevard-Osceola- Including the cities of Melbourne, Palm Bay, Rockledge, Celebration, Kissimmee, and Saint Cloud 1227 PM EST Tue Dec 21 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... * WHAT...Southwest winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Southern Brevard and Osceola Counties. * WHEN...From 10 AM this morning to 7 PM EST this evening. * IMPACTS...Gusty winds could blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ FLZ054-058-059-064-220000- /O.CON.KMLB.WI.Y.0008.000000T0000Z-211222T0000Z/ Indian River-Okeechobee-St. Lucie-Martin- Including the cities of Sebastian, Vero Beach, Basinger, Fort Drum, Okeechobee, Port Saint Lucie, Fort Pierce, Hobe Sound, Jensen Beach, Port Salerno, and Stuart 1227 PM EST Tue Dec 21 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * WHAT...Southwest winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Indian River, Okeechobee, St. Lucie and Martin Counties. * WHEN...From 10 AM this morning to 7 PM EST this evening. * IMPACTS...Gusty winds could blow around unsecured objects, including holiday decorations. 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. && $$
646 WWUS72 KMLB 212303 NPWMLB URGENT - WEATHER MESSAGE National Weather Service Melbourne FL 603 PM EST Tue Dec 21 2021 FLZ047-053-054-058-059-064-220015- /O.CAN.KMLB.WI.Y.0008.000000T0000Z-211222T0000Z/ Southern Brevard-Osceola-Indian River-Okeechobee-St. Lucie-Martin- Including the cities of Melbourne, Palm Bay, Rockledge, Celebration, Kissimmee, Saint Cloud, Sebastian, Vero Beach, Basinger, Fort Drum, Okeechobee, Port Saint Lucie, Fort Pierce, Hobe Sound, Jensen Beach, Port Salerno, and Stuart 603 PM EST Tue Dec 21 2021 ...WIND ADVISORY IS CANCELLED... Winds have diminished enough to allow the wind advisory to be cancelled. However, breezy conditions with gusts of 20 to 25 mph will remain possible into early this evening. $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 21, 12:04 AM EST | Special Marine Warning | MLB | 56 min | |
| Dec 21, 3:35 AM EST | Rip Current Statement | MLB | Volusia | 24 hr |
| Dec 21, 3:43 AM EST | Gale Warning | MLB | 18 hr | |
| Dec 21, 3:43 AM EST | Small Craft Advisory | MLB | 42 hr | |
| Dec 21, 3:52 AM EST | Special Marine Warning | MLB | 83 min |
Nearby
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.