Alert archive / Florida / Wind Advisories in 2020
Wind Advisory 3, NWS Key West, FL
NWS Key West, FL issued this wind advisory at Nov 11, 2020, 3:58 AM EST for Monroe County, Florida. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 11, 2020, 3:58 AM EST (08:58 UTC)
- Expired
- Nov 11, 2020, 4:18 PM EST
- In force
- 12 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 08:57 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, 9.0 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
- 928 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted.
594 WWUS72 KKEY 110858 NPWKEY URGENT - WEATHER MESSAGE National Weather Service Key West FL 358 AM EST Wed Nov 11 2020 FLZ078-111600- /O.NEW.KKEY.WI.Y.0003.201111T0858Z-201111T1600Z/ Monroe Lower Keys- Including the Communities of Key West 358 AM EST Wed Nov 11 2020 ...WIND ADVISORY IN EFFECT... * WHAT...South winds near 30 mph with gusts up to 40 mph. * WHERE...Lower Florida Keys. * WHEN...Until 11 AM EST this morning. * 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. && $$ WLC
2 follow-up statements
554 WWUS72 KKEY 111543 NPWKEY URGENT - WEATHER MESSAGE National Weather Service Key West FL 1043 AM EST Wed Nov 11 2020 FLZ078-112200- /O.EXT.KKEY.WI.Y.0003.000000T0000Z-201111T2200Z/ Monroe Lower Keys- Including the Communities of Key West 1043 AM EST Wed Nov 11 2020 ...WIND ADVISORY NOW IN EFFECT... * WHAT...South winds near 30 mph with occasional gusts up to 40 mph. * WHERE...Lower Florida Keys. * WHEN...Until 5 PM EST this afternoon. * IMPACTS...A Wind Advisory means that sustained winds of 30 to 39 mph, or frequent gusts in excess of 35 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Wind gusts along the Overseas Highway will be highest on bridges and overpasses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should be alert for sudden gusts of wind, especially on bridges, which may cause you to lose control of your vehicle. Use extra caution. Residents should secure trash cans, lawn furniture, and other loose or lightweight outdoor objects. && $$
319 WWUS72 KKEY 112118 NPWKEY URGENT - WEATHER MESSAGE National Weather Service Key West FL 418 PM EST Wed Nov 11 2020 FLZ078-112230- /O.CAN.KKEY.WI.Y.0003.000000T0000Z-201111T2200Z/ Monroe Lower Keys- Including the Communities of Key West 418 PM EST Wed Nov 11 2020 ...WIND ADVISORY IS CANCELLED... Winds over the Lower Keys island chain have dropped below advisory criteria. Therefore, the Wind Advisory has been canceled. $$
The office that day
Everything else NWS Key West, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 10, 10:54 PM EST | Gale Warning | KEY | 17 hr | |
| Nov 11, 12:34 PM EST | Special Marine Warning | KEY | 56 min | |
| Nov 11, 1:21 PM EST | Special Marine Warning | KEY | 54 min | |
| Nov 11, 2:10 PM EST | Special Marine Warning | KEY | 65 min | |
| Nov 11, 4:31 PM EST | Special Marine Warning | KEY | 14 min | |
| Nov 11, 4:40 PM EST | Special Marine Warning | KEY | 50 min | |
| Nov 11, 5:20 PM EST | Special Marine Warning | KEY | 25 min | |
| Nov 11, 5:44 PM EST | Special Marine Warning | KEY | 34 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.