Alert archive / Florida / Wind Advisories in 2023

Wind Advisory 2, NWS Key West, FL

August 29, 2023Monroe County, Florida

NWS Key West, FL issued this wind advisory at Aug 29, 2023, 11:02 PM EDT for Monroe County, Florida. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Aug 29, 2023, 11:02 PM EDT (03:02 UTC)
Expired
Aug 30, 2023, 9:21 AM EDT
In force
10 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 03:03 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, 3.0 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.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 00:00Z on 2023-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 120 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, Miami, FL at 00:00Z on 2023-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 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
120 J/kg
Mixed-layer CIN
-159 J/kg
Mixed-layer LCL
1171 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
278 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted.

544 
WWUS72 KKEY 300302
NPWKEY

URGENT - WEATHER MESSAGE
National Weather Service Key West FL
1102 PM EDT Tue Aug 29 2023

FLZ078-301500-
/O.NEW.KKEY.WI.Y.0002.230830T0302Z-230830T1500Z/
Monroe Lower Keys-
Including the Communities of Key West
1102 PM EDT Tue Aug 29 2023

...WIND ADVISORY IN EFFECT UNTIL 11 AM EDT WEDNESDAY...

* WHAT...South to southwest winds 20 to 30 mph with gusts of 35 to
  40 mph.

* WHERE...Lower Florida Keys.

* WHEN...Until 11 AM EDT Wednesday.

* 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.

&&

$$

Jacobson
1 follow-up statement
752 
WWUS72 KKEY 301321
NPWKEY

URGENT - WEATHER MESSAGE
National Weather Service Key West FL
921 AM EDT Wed Aug 30 2023

FLZ078-301430-
/O.CAN.KKEY.WI.Y.0002.000000T0000Z-230830T1500Z/
Monroe Lower Keys-
Including the Communities of Key West
921 AM EDT Wed Aug 30 2023

...WIND ADVISORY IS CANCELLED...

Winds have decreased below Wind Advisory thresholds. Breezy to
windy conditions will persist through the afternoon.  

$$

CLR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 2:34 PM EDTSpecial Marine WarningKEY41 min

Nearby

Wind Advisories in Florida, 2023Every wind advisory in 2023

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.