Alert archive / Florida / Coastal Flood Statements in 2021
Coastal Flood Statement 1, NWS Miami, FL
NWS Miami, FL issued this coastal flood statement at Oct 9, 2021, 8:22 AM EDT for Broward County, Miami-Dade County, Palm Beach County, Florida. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Oct 9, 2021, 8:22 AM EDT (12:22 UTC)
- Expired
- Oct 10, 2021, 2:00 PM EDT
- In force
- 30 hr
- Issued by
- NWS Miami, FL
Counties Broward County, FL, Miami-Dade County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 59 km from the middle of the area, began a volume at 12:25 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, 0.4 hours before the alert went out and 39 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
- 103 J/kg
- Mixed-layer CIN
- -279 J/kg
- Mixed-layer LCL
- 1522 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
609 WHUS42 KMFL 091222 CFWMFL Coastal Hazard Message National Weather Service Miami FL 822 AM EDT Sat Oct 9 2021 FLZ168-172-173-100030- /O.NEW.KMFL.CF.S.0001.211009T1222Z-211010T1800Z/ Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade- 822 AM EDT Sat Oct 9 2021 * WHAT...Isolated minor coastal flooding. * WHERE...Coastal Broward, Coastal Palm Beach and Coastal Miami- Dade Counties. * WHEN...Through Sunday afternoon. * IMPACTS...Minor saltwater flooding of low-lying lots, parks, and roadways may occur near the coast line. Temporary closure of some coastal roads possible, especially during high tide. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$
3 follow-up statements
011 WHUS42 KMFL 091825 CFWMFL Coastal Hazard Message National Weather Service Miami FL 225 PM EDT Sat Oct 9 2021 FLZ168-172-173-101200- /O.CON.KMFL.CF.S.0001.000000T0000Z-211010T1800Z/ Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade- 225 PM EDT Sat Oct 9 2021 * WHAT...Isolated minor coastal flooding, especially during high tides. * WHERE...Coastal Broward, Coastal Palm Beach and Coastal Miami- Dade Counties. * WHEN...Through Sunday afternoon. * IMPACTS...Minor saltwater flooding of low-lying lots, parks, and roadways may occur near the coast line. Temporary closure of some coastal roads possible, especially during high tide. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$ Frye
238 WHUS42 KMFL 100634 CFWMFL Coastal Hazard Message National Weather Service Miami FL 234 AM EDT Sun Oct 10 2021 FLZ168-172-173-101800- /O.CON.KMFL.CF.S.0001.000000T0000Z-211010T1800Z/ Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade- 234 AM EDT Sun Oct 10 2021 * WHAT...Isolated minor coastal flooding, especially around high tide. * WHERE...Coastal Broward, Coastal Palm Beach and Coastal Miami- Dade Counties. * WHEN...Through at least 2 PM EDT this afternoon. * IMPACTS...Minor saltwater flooding of low-lying lots, parks, and roadways may occur near the coast line. Temporary closure of some coastal roads possible, especially during high tide. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$ RAG
607 WHUS42 KMFL 101304 CFWMFL Coastal Hazard Message National Weather Service Miami FL 904 AM EDT Sun Oct 10 2021 FLZ168-172-173-101800- /O.CON.KMFL.CF.S.0001.000000T0000Z-211010T1800Z/ Coastal Palm Beach-Coastal Broward-Coastal Miami-Dade- 904 AM EDT Sun Oct 10 2021 * WHAT...Isolated minor coastal flooding, especially around high tide. * WHERE...Coastal Broward, Coastal Palm Beach and Coastal Miami- Dade Counties. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Minor saltwater flooding of low-lying lots, parks, and roadways may occur near the coast line. Temporary closure of some coastal roads possible, especially during high tide. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 8, 8:11 PM EDT | Special Weather Statement | MFL | Palm Beach | 34 min |
| Oct 8, 8:28 PM EDT | Special Weather Statement | MFL | Palm Beach | 47 min |
| Oct 8, 9:05 PM EDT | Special Weather Statement | MFL | Palm Beach | 40 min |
| Oct 8, 9:24 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 2 hr |
| Oct 8, 9:39 PM EDT | Special Weather Statement | MFL | Palm Beach | 51 min |
| Oct 8, 9:59 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 46 min |
| Oct 8, 10:15 PM EDT | Special Weather Statement | MFL | Broward | 30 min |
| Oct 8, 10:39 PM EDT | Special Weather Statement | MFL | Broward | 36 min |
| Oct 9, 12:28 AM EDT | Special Weather Statement | MFL | Miami-Dade | 32 min |
| Oct 9, 12:55 AM EDT | Special Weather Statement | MFL | Miami-Dade | 35 min |
| Oct 9, 1:04 AM EDT | Areal Flood Advisory | MFL | Broward, Miami-Dade | 116 min |
| Oct 9, 1:32 AM EDT | Special Weather Statement | MFL | Miami-Dade, Monroe | 28 min |
| Oct 9, 1:39 AM EDT | Areal Flood Advisory | MFL | Miami-Dade | 2 hr |
| Oct 9, 12:22 PM EDT | Special Weather Statement | MFL | Glades | 53 min |
| Oct 9, 12:43 PM EDT | Special Marine Warning | MFL | 62 min | |
| Oct 9, 12:53 PM EDT | Special Marine Warning | MFL | 67 min | |
| Oct 9, 12:58 PM EDT | Special Weather Statement | MFL | Glades | 32 min |
| Oct 9, 1:05 PM EDT | Special Weather Statement | MFL | Hendry | 40 min |
| Oct 9, 1:34 PM EDT | Special Weather Statement | MFL | Hendry | 41 min |
| Oct 9, 1:40 PM EDT | Special Marine Warning | MFL | 65 min | |
| Oct 9, 1:45 PM EDT | Special Weather Statement | MFL | Broward | 45 min |
| Oct 9, 1:48 PM EDT | Special Marine Warning | MFL | 27 min | |
| Oct 9, 2:09 PM EDT | Special Weather Statement | MFL | Palm Beach | 51 min |
| Oct 9, 2:13 PM EDT | Special Marine Warning | MFL | 2 hr | |
| Oct 9, 2:34 PM EDT | Special Weather Statement | MFL | Broward | 41 min |
| Oct 9, 2:36 PM EDT | Special Marine Warning | MFL | 84 min | |
| Oct 9, 2:40 PM EDT | Special Weather Statement | MFL | Martin | 65 min |
| Oct 9, 2:48 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 3 hr |
| Oct 9, 2:48 PM EDT | Areal Flood Advisory | MFL | Palm Beach | 3 hr |
| Oct 9, 3:12 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 33 min |
| Oct 9, 3:14 PM EDT | Special Weather Statement | MFL | Broward | 31 min |
| Oct 9, 3:29 PM EDT | Special Weather Statement | MFL | Monroe | 31 min |
| Oct 9, 3:44 PM EDT | Special Weather Statement | MFL | Martin | 31 min |
| Oct 9, 4:06 PM EDT | Special Marine Warning | MFL | 54 min | |
| Oct 9, 4:11 PM EDT | Special Weather Statement | MFL | Miami-Dade | 34 min |
| Oct 9, 4:30 PM EDT | Special Weather Statement | MFL | Monroe | 30 min |
| Oct 9, 6:20 PM EDT | Special Weather Statement | MFL | Collier | 55 min |
Nearby
Coastal Flood Statements in Florida, 2021Every coastal flood statement 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.