Alert archive / Florida / Areal Flood Advisories in 2021

Areal Flood Advisory 21, NWS Miami, FL

June 2, 2021Collier County, Florida

NWS Miami, FL issued this areal flood advisory at Jun 2, 2021, 3:42 PM EDT for Collier County, Florida. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 2, 2021, 3:42 PM EDT (19:42 UTC)
Expired
Jun 2, 2021, 5:45 PM EDT
In force
2 hr
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Collier County, FL

The radar

The Miami radar (KAMX), 132 km from the middle of the area, began a volume at 19:43 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 12:00Z, 7.7 hours before the alert went out and 134 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 12:00Z on 2021-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 900 joules per kilogram.LCLEL10008507005003002001001 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, Miami, FL at 12:00Z on 2021-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 square meters per square second.1939Sfc1 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
900 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

540 
WGUS82 KMFL 021942
FLSMFL

Flood Advisory
National Weather Service Miami FL
342 PM EDT Wed Jun 2 2021

FLC021-022145-
/O.NEW.KMFL.FA.Y.0021.210602T1942Z-210602T2145Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Collier FL-
342 PM EDT Wed Jun 2 2021

The National Weather Service in Miami has issued a

* Flood Advisory for...
  West central Collier County in southwestern Florida...

* Until 545 PM EDT.

* At 341 PM EDT, Doppler radar indicated heavy rain due to
  thunderstorms. This will cause minor flooding in the advisory area.
  Up to two inches of rain have already fallen.

* Some locations that will experience flooding include...
  Golden Gate Estates, West Toll Gate On Alligator Alley, Golden
  Gate, Orangetree and Intersection I-75 And Everglades Blvd.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Excessive runoff from heavy rainfall will cause flooding of canals
and streams, country roads, farmland, and other low lying spots.

&&

LAT...LON 2624 8142 2614 8150 2606 8163 2616 8173
      2628 8166 2632 8155

$$

AR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 3:06 PM EDTSpecial Weather StatementMFLCollier39 min

Nearby

Areal Flood Advisories in Florida, 2021Every areal flood advisory in 2021

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.