Alert archive / Florida / Coastal Flood Statements in 2023

Coastal Flood Statement 7, NWS Miami, FL

October 12, 2023Collier County, Monroe County, Florida

NWS Miami, FL issued this coastal flood statement at Oct 12, 2023, 7:52 AM EDT for Collier County, Monroe County, Florida. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Oct 12, 2023, 7:52 AM EDT (11:52 UTC)
Expired: Oct 12, 2023, 2:58 PM EDT
In force: 7 hr
Issued by: NWS Miami, FL

Counties Collier County, FL, Monroe County, FL

The radar

The Miami radar (KAMX), 78 km from the middle of the area, began a volume at 11:55 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 00:00Z, 11.9 hours before the alert went out and 243 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 553 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 922 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 5.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal flood statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Miami, FL wrote its last area forecast discussion before this coastal flood statement went out at Oct 12, 6:40 AM EDT, 1 hour 12 minutes earlier.

Area forecast discussion, Oct 12, 6:40 AM EDT, 1 hour 12 minutes before

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Hazardous weather outlook, Oct 12, 3:54 AM EDT, 3 hours 58 minutes before

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In the hours before

Special weather statement, Oct 12, 2:49 AM EDT, 5 hours 3 minutes before

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Special weather statement, Oct 12, 3:26 AM EDT, 4 hours 26 minutes before

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Special weather statement, Oct 12, 4:06 AM EDT, 3 hours 46 minutes before

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Special weather statement, Oct 12, 4:09 AM EDT, 3 hours 43 minutes before

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Special weather statement, Oct 12, 4:40 AM EDT, 3 hours 12 minutes before

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Special weather statement, Oct 12, 4:42 AM EDT, 3 hours 10 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 12, 12:34 AM EDT	Special Marine Warning	MFL		56 min
Oct 12, 1:09 AM EDT	Special Weather Statement	MFL	Collier	36 min
Oct 12, 2:49 AM EDT	Special Weather Statement	MFL	Hendry	26 min
Oct 12, 3:26 AM EDT	Special Weather Statement	MFL	Collier	34 min
Oct 12, 4:06 AM EDT	Special Weather Statement	MFL	Hendry	24 min
Oct 12, 4:09 AM EDT	Special Weather Statement	MFL	Collier	36 min
Oct 12, 4:40 AM EDT	Special Weather Statement	MFL	Collier	35 min
Oct 12, 4:42 AM EDT	Special Weather Statement	MFL	Collier	33 min

Nearby

Coastal Flood Statements in Florida, 2023 Every 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.