Alert archive / Florida / Coastal Flood Statements in 2023
Coastal Flood Statement 21, NWS Key West, FL
NWS Key West, FL issued this coastal flood statement at Nov 10, 2023, 9:31 PM EST for Monroe County, Florida. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Nov 10, 2023, 9:31 PM EST (02:31 UTC)
- Expired
- Nov 12, 2023, 3:55 AM EST
- In force
- 30 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 02:31 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, 2.5 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.
- Mixed-layer CAPE
- 670 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 752 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
122 WHUS42 KKEY 110231 CFWKEY Coastal Hazard Message National Weather Service Key West FL 931 PM EST Fri Nov 10 2023 FLZ076-111600- /O.CAN.KKEY.CF.Y.0012.000000T0000Z-231111T0500Z/ /O.NEW.KKEY.CF.S.0021.231111T0231Z-231111T1600Z/ Monroe Upper Keys- 931 PM EST Fri Nov 10 2023 ...COASTAL FLOOD STATEMENT IN EFFECT... ...COASTAL FLOOD ADVISORY IS CANCELLED... * WHAT...Minor saltwater flooding. * WHERE...Upper Florida Keys. * WHEN...Through Saturday morning. * IMPACTS...Minor saltwater flooding of low elevation streets and lots is likely. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. && $$
4 follow-up statements
085 WHUS42 KKEY 111510 CFWKEY Coastal Hazard Message National Weather Service Key West FL 1010 AM EST Sat Nov 11 2023 FLZ076-112100- /O.EXT.KKEY.CF.S.0021.000000T0000Z-231111T2100Z/ Monroe Upper Keys- 1010 AM EST Sat Nov 11 2023 ...COASTAL FLOOD STATEMENT NOW IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... * WHAT...Minor saltwater flooding. * WHERE...Upper Florida Keys. * WHEN...Until 4 PM EST. * IMPACTS...Minor saltwater flooding of low elevation streets and lots is likely. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$
820 WHUS42 KKEY 112058 CFWKEY Coastal Hazard Message National Weather Service Key West FL 358 PM EST Sat Nov 11 2023 FLZ076-120400- /O.EXT.KKEY.CF.S.0021.000000T0000Z-231112T0400Z/ Monroe Upper Keys- 358 PM EST Sat Nov 11 2023 ...COASTAL FLOOD STATEMENT REMAINS IN EFFECT... * WHAT...Minor saltwater flooding. * WHERE...Upper Florida Keys. * WHEN...Until 11 PM EST this evening. * IMPACTS...Minor saltwater flooding of low elevation streets and lots is likely. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$ NB
784 WHUS42 KKEY 120321 CFWKEY Coastal Hazard Message National Weather Service Key West FL 1021 PM EST Sat Nov 11 2023 FLZ076-121000- /O.EXT.KKEY.CF.S.0021.000000T0000Z-231112T1000Z/ Monroe Upper Keys- 1021 PM EST Sat Nov 11 2023 ...COASTAL FLOOD STATEMENT REMAINS IN EFFECT... * WHAT...Minor saltwater flooding. * WHERE...Upper Florida Keys. * WHEN...Until 5 AM EST Sunday. * IMPACTS...Minor saltwater flooding of low elevation streets and lots is likely. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$
217 WHUS42 KKEY 120855 CFWKEY Coastal Hazard Message National Weather Service Key West FL 355 AM EST Sun Nov 12 2023 FLZ076-121000- /O.CAN.KKEY.CF.S.0021.000000T0000Z-231112T1000Z/ Monroe Upper Keys- 355 AM EST Sun Nov 12 2023 ...COASTAL FLOOD STATEMENT IS CANCELLED... The Coastal Flood Statement is no longer in effect for the Upper Keys. $$ JAM
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.