Alert archive / Florida / Wind Advisories in 2020
Wind Advisory 4, NWS Key West, FL
NWS Key West, FL issued this wind advisory at Nov 18, 2020, 4:04 AM EST for Monroe County, Florida. It was in force for 29 hr.
The area
The counties it named.
The facts
- Issued
- Nov 18, 2020, 4:04 AM EST (09:04 UTC)
- Expired
- Nov 19, 2020, 9:19 AM EST
- In force
- 29 hr
- Issued by
- NWS Key West, FL
County Monroe County, FL
The radar
The Miami radar (KAMX), 51 km from the middle of the area, began a volume at 09:02 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
Miami, FL (KMFL), launched 00:00Z, 9.1 hours before the alert went out and 69 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1156 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
304 WWUS72 KKEY 180904 NPWKEY URGENT - WEATHER MESSAGE National Weather Service Key West FL 404 AM EST Wed Nov 18 2020 FLZ076>078-181715- /O.NEW.KKEY.WI.Y.0004.201118T0904Z-201119T2200Z/ Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the Communities of Key Largo, Marathon, and Key West 404 AM EST Wed Nov 18 2020 ...WIND ADVISORY IN EFFECT... * WHAT...Northeast winds 20 to 30 mph with gusts up to 35 mph. * WHERE...Florida Keys. * WHEN...In Effect. * IMPACTS...A Wind Advisory means that sustained winds of 30 to 39 mph, or frequent gusts in excess of 35 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Wind gusts along the Overseas Highway will be highest on bridges and overpasses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should be alert for sudden gusts of wind, especially on bridges, which may cause you to lose control of your vehicle. Use extra caution. Residents should secure trash cans, lawn furniture and other loose or lightweight outdoor objects. && $$
4 follow-up statements
360 WWUS72 KKEY 181524 NPWKEY URGENT - WEATHER MESSAGE National Weather Service Key West FL 1024 AM EST Wed Nov 18 2020 FLZ076>078-182330- /O.CON.KKEY.WI.Y.0004.000000T0000Z-201119T2200Z/ Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the Communities of Key Largo, Marathon, and Key West 1024 AM EST Wed Nov 18 2020 ...WIND ADVISORY REMAINS IN EFFECT... * WHAT...Northeast winds 20 to 30 mph with gusts up to 35 mph. * WHERE...Florida Keys. * WHEN...In Effect. * IMPACTS...A Wind Advisory means that sustained winds of 30 to 39 mph, or frequent gusts in excess of 35 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Wind gusts along the Overseas Highway will be highest on bridges and overpasses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should be alert for sudden gusts of wind, especially on bridges, which may cause you to lose control of your vehicle. Use extra caution. Residents should secure trash cans, lawn furniture, holiday decorations, and other loose or lightweight outdoor objects. && $$
614 WWUS72 KKEY 182104 NPWKEY URGENT - WEATHER MESSAGE National Weather Service Key West FL 404 PM EST Wed Nov 18 2020 FLZ076>078-190515- /O.CON.KKEY.WI.Y.0004.000000T0000Z-201119T2200Z/ Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the Communities of Key Largo, Marathon, and Key West 404 PM EST Wed Nov 18 2020 ...WIND ADVISORY REMAINS IN EFFECT... * WHAT...Northeast winds 20 to 30 mph with gusts up to 35 mph. * WHERE...Florida Keys. * WHEN...In Effect. * IMPACTS...A Wind Advisory means that sustained winds of 30 to 39 mph, or frequent gusts in excess of 35 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Wind gusts along the Overseas Highway will be highest on bridges and overpasses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should be alert for sudden gusts of wind, especially on bridges, which may cause you to lose control of your vehicle. Use extra caution. Residents should secure trash cans, lawn furniture, holiday decorations, and other loose or lightweight outdoor objects. && $$
313 WWUS72 KKEY 190858 NPWKEY URGENT - WEATHER MESSAGE National Weather Service Key West FL 358 AM EST Thu Nov 19 2020 FLZ076>078-191700- /O.CON.KKEY.WI.Y.0004.000000T0000Z-201119T2200Z/ Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the Communities of Key Largo, Marathon, and Key West 358 AM EST Thu Nov 19 2020 ...WIND ADVISORY REMAINS IN EFFECT... * WHAT...Northeast winds 20 to 30 mph with gusts near 35 mph. * WHERE...Florida Keys. * WHEN...In Effect. * IMPACTS...A Wind Advisory means that sustained winds of 30 to 39 mph, or frequent gusts in excess of 35 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Wind gusts along the Overseas Highway will be highest on bridges and overpasses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should be alert for sudden gusts of wind, especially on bridges, which may cause you to lose control of your vehicle. Use extra caution. Residents should secure trash cans, lawn furniture, and other loose or lightweight outdoor objects. && $$
478 WWUS72 KKEY 191419 NPWKEY URGENT - WEATHER MESSAGE National Weather Service Key West FL 919 AM EST Thu Nov 19 2020 FLZ076>078-191530- /O.CAN.KKEY.WI.Y.0004.000000T0000Z-201119T2200Z/ Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the Communities of Key Largo, Marathon, and Key West 919 AM EST Thu Nov 19 2020 ...WIND ADVISORY HAS ENDED... Northeast winds have decreased enough over the Florida Keys to cancel the Wind Advisory. However, windy conditions will continue through the rest of today, with wind gusts occasionally reaching near 30 mph. $$
The office that day
Everything else NWS Key West, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 4:29 AM EST | Gale Warning | KEY | 30 hr |
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.