Alert archive / Florida / Coastal Flood Statements in 2023

Coastal Flood Statement 19, NWS Miami, FL

December 16, 20234 counties in Florida

NWS Miami, FL issued this coastal flood statement at Dec 16, 2023, 10:31 AM EST for 4 counties in Florida. It took effect at Dec 16, 2023, 5:41 PM EST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Dec 16, 2023, 10:31 AM EST (15:31 UTC)
In effect from
Dec 16, 2023, 5:41 PM EST
Expired
Dec 17, 2023, 7:00 AM EST
In force
13 hr
Issued by
NWS Miami, FL

Counties Broward County, FL, Collier County, FL, Miami-Dade County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 64 km from the middle of the area, began a volume at 15:33 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

Tampa Bay, FL (KTBW), launched 12:00Z, 3.5 hours before the alert went out and 244 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, Tampa Bay, FL at 12:00Z on 2023-12-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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, Tampa Bay, FL at 12:00Z on 2023-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
319 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 16, 2:44 PM ESTSpecial Weather StatementMFLBroward31 min
Dec 16, 3:27 PM ESTSpecial Marine WarningMFL33 min
Dec 16, 3:31 PM ESTSpecial Weather StatementMFLBroward29 min
Dec 16, 4:45 PM ESTSpecial Marine WarningMFL15 min
Dec 16, 4:46 PM ESTSpecial Weather StatementMFLMartin29 min

Nearby

Coastal Flood Statements in Florida, 2023Every coastal flood statement 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.