Alert archive / Florida / Flood Watches in 2021
Flood Watch 3, NWS Miami, FL
NWS Miami, FL issued this flood watch at Jul 24, 2021, 2:56 AM EDT for 4 counties in Florida. It was in force for 65 hr.
The area
The counties it named.
The facts
- Issued
- Jul 24, 2021, 2:56 AM EDT (06:56 UTC)
- Expired
- Jul 26, 2021, 8:00 PM EDT
- In force
- 65 hr
- Issued by
- NWS Miami, FL
- Flood severity
- None
Counties Broward County, FL, Collier County, FL, Miami-Dade County, FL, Palm Beach County, FL
The nearest sounding before it
Key West, FL (KEYW), launched 00:00Z, 6.9 hours before the alert went out and 203 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
- 2651 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 855 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
574 WGUS62 KMFL 240656 FFAMFL URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Miami FL 256 AM EDT Sat Jul 24 2021 FLZ068>070-072-074-168-172-173-241500- /O.NEW.KMFL.FA.A.0003.210724T0656Z-210727T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Metro Palm Beach-Coastal Collier-Inland Collier-Metro Broward- Metro Miami-Dade-Coastal Palm Beach-Coastal Broward-Coastal Miami- Dade- 256 AM EDT Sat Jul 24 2021 ...FLOOD WATCH IN EFFECT THROUGH MONDAY EVENING... The National Weather Service in Miami has issued a * Flood Watch for portions of South Florida, including the following areas, Coastal Broward, Coastal Collier, Coastal Miami-Dade, Coastal Palm Beach, Inland Collier, Metro Broward, Metro Miami-Dade, and Metro Palm Beach. * Through Monday evening * Periods of heavy rain will impact portions of South Florida. * Rainfall amounts of 2 to 4 inches with locally higher amounts possible. Torrential rainfall will likely lead to flooding of poor drainage and urbanized areas, especially over east coast locations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$
6 follow-up statements
570 WGUS62 KMFL 241758 FFAMFL Flood Watch National Weather Service Miami FL 158 PM EDT Sat Jul 24 2021 FLZ068>070-072-074-168-172-173-251200- /O.CON.KMFL.FA.A.0003.000000T0000Z-210727T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Metro Palm Beach-Coastal Collier-Inland Collier-Metro Broward- Metro Miami-Dade-Coastal Palm Beach-Coastal Broward-Coastal Miami- Dade- 158 PM EDT Sat Jul 24 2021 ...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING... The Flood Watch continues for * Portions of South Florida, including the following areas, Coastal Broward, Coastal Collier, Coastal Miami-Dade, Coastal Palm Beach, Inland Collier, Metro Broward, Metro Miami-Dade, and Metro Palm Beach. * Through Monday evening * Periods of heavy rain will impact portions of South Florida. * Rainfall amounts of 2 to 4 inches with locally higher amounts possible. Torrential rainfall will likely lead to flooding of poor drainage and urbanized areas, especially over east coast locations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ Frye
896 WGUS62 KMFL 250802 FFAMFL Flood Watch National Weather Service Miami FL 402 AM EDT Sun Jul 25 2021 FLZ068>070-072-074-168-172-173-251615- /O.CON.KMFL.FA.A.0003.000000T0000Z-210727T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Metro Palm Beach-Coastal Collier-Inland Collier-Metro Broward- Metro Miami-Dade-Coastal Palm Beach-Coastal Broward-Coastal Miami- Dade- 402 AM EDT Sun Jul 25 2021 ...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING... The Flood Watch continues for * a portion of South Florida, including the following areas, Coastal Broward, Coastal Collier, Coastal Miami-Dade, Coastal Palm Beach, Inland Collier, Metro Broward, Metro Miami-Dade, and Metro Palm Beach. * Through Monday evening * Periods of heavy rain will impact portions of South Florida. * Rainfall amounts of 2 to 4 inches with locally higher amounts possible. Torrential rainfall will likely lead to flooding of poor drainage and urbanized areas, especially over east coast locations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ REYNES
590 WGUS62 KMFL 251337 FFAMFL Flood Watch National Weather Service Miami FL 937 AM EDT Sun Jul 25 2021 FLZ068>070-072-074-168-172-173-252145- /O.CON.KMFL.FA.A.0003.000000T0000Z-210727T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Metro Palm Beach-Coastal Collier-Inland Collier-Metro Broward- Metro Miami-Dade-Coastal Palm Beach-Coastal Broward-Coastal Miami- Dade- 937 AM EDT Sun Jul 25 2021 ...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING... The Flood Watch continues for * a portion of South Florida, including the following areas, Coastal Broward, Coastal Collier, Coastal Miami-Dade, Coastal Palm Beach, Inland Collier, Metro Broward, Metro Miami-Dade, and Metro Palm Beach. * Through Monday evening * Periods of heavy rain will impact portions of South Florida. * Rainfall amounts of 2 to 4 inches with locally higher amounts possible. Torrential rainfall will likely lead to flooding of poor drainage and urbanized areas, especially over east coast locations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$
197 WGUS62 KMFL 252001 FFAMFL Flood Watch National Weather Service Miami FL 401 PM EDT Sun Jul 25 2021 FLZ068>070-072-074-168-172-173-261200- /O.CON.KMFL.FA.A.0003.000000T0000Z-210727T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Metro Palm Beach-Coastal Collier-Inland Collier-Metro Broward- Metro Miami-Dade-Coastal Palm Beach-Coastal Broward-Coastal Miami- Dade- 401 PM EDT Sun Jul 25 2021 ...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING... The Flood Watch continues for * a portion of South Florida, including the following areas, Coastal Broward, Coastal Collier, Coastal Miami-Dade, Coastal Palm Beach, Inland Collier, Metro Broward, Metro Miami-Dade, and Metro Palm Beach. * Through Monday evening * Periods of heavy rain will impact portions of South Florida. * Rainfall totals of 2 to 4 inches with locally higher amounts possible. Torrential rainfall will likely lead to flooding of poor drainage and urbanized areas, especially over east coast locations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$
707 WGUS62 KMFL 260657 FFAMFL Flood Watch National Weather Service Miami FL 257 AM EDT Mon Jul 26 2021 FLZ068>070-072-074-168-172-173-261500- /O.CON.KMFL.FA.A.0003.000000T0000Z-210727T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Metro Palm Beach-Coastal Collier-Inland Collier-Metro Broward- Metro Miami-Dade-Coastal Palm Beach-Coastal Broward-Coastal Miami- Dade- 257 AM EDT Mon Jul 26 2021 ...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... The Flood Watch continues for * a portion of South Florida, including the following areas, Coastal Broward, Coastal Collier, Coastal Miami-Dade, Coastal Palm Beach, Inland Collier, Metro Broward, Metro Miami-Dade, and Metro Palm Beach. * Through this evening * Periods of heavy rain will impact portions of South Florida. * Rainfall totals of 2 to 4 inches with locally higher amounts possible. Torrential rainfall will likely lead to flooding of poor drainage and urbanized areas, especially over east coast locations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ AR
012 WGUS62 KMFL 262354 FFAMFL Flood Watch National Weather Service Miami FL 754 PM EDT Mon Jul 26 2021 FLZ068>070-072-074-168-172-173-270100- /O.EXP.KMFL.FA.A.0003.000000T0000Z-210727T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Metro Palm Beach-Coastal Collier-Inland Collier-Metro Broward- Metro Miami-Dade-Coastal Palm Beach-Coastal Broward-Coastal Miami- Dade- 754 PM EDT Mon Jul 26 2021 ...FLOOD WATCH WILL EXPIRE AT 8 PM EDT THIS EVENING... The Flood Watch for a portion of South Florida will expire at 8 PM EDT this evening. Although the watch will expire, poor drainage and urbanized areas within the metropolitan areas of South Florida may experience minor localized flooding in heavier thunderstorms over the next few days. $$ Frye
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 8:02 PM EDT | Special Weather Statement | MFL | Hendry | 43 min |
| Jul 23, 8:19 PM EDT | Special Marine Warning | MFL | 56 min | |
| Jul 24, 4:28 AM EDT | Special Marine Warning | MFL | 32 min | |
| Jul 24, 12:27 PM EDT | Special Weather Statement | MFL | Miami-Dade | 48 min |
| Jul 24, 1:01 PM EDT | Special Weather Statement | MFL | Collier | 44 min |
| Jul 24, 1:02 PM EDT | Special Marine Warning | MFL | 58 min | |
| Jul 24, 1:55 PM EDT | Special Marine Warning | MFL | 35 min | |
| Jul 24, 2:23 PM EDT | Areal Flood Advisory | MFL | Collier | 3 hr |
| Jul 24, 2:26 PM EDT | Special Weather Statement | MFL | Broward | 34 min |
| Jul 24, 2:29 PM EDT | Special Weather Statement | MFL | Hendry | 46 min |
| Jul 24, 2:43 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 33 min |
| Jul 24, 2:57 PM EDT | Special Marine Warning | MFL | 48 min | |
| Jul 24, 3:05 PM EDT | Areal Flood Advisory | MFL | Broward, Palm Beach | 115 min |
| Jul 24, 3:15 PM EDT | Special Weather Statement | MFL | Broward | 30 min |
| Jul 24, 3:29 PM EDT | Special Weather Statement | MFL | Hendry | 46 min |
| Jul 24, 3:31 PM EDT | Special Weather Statement | MFL | Palm Beach | 44 min |
| Jul 24, 3:51 PM EDT | Special Weather Statement | MFL | Broward | 39 min |
| Jul 24, 4:30 PM EDT | Special Weather Statement | MFL | Palm Beach | 45 min |
| Jul 24, 4:57 PM EDT | Special Marine Warning | MFL | 33 min | |
| Jul 24, 5:18 PM EDT | Special Weather Statement | MFL | Palm Beach | 42 min |
| Jul 24, 5:25 PM EDT | Special Marine Warning | MFL | 35 min | |
| Jul 24, 5:33 PM EDT | Special Weather Statement | MFL | Glades | 27 min |
| Jul 24, 6:02 PM EDT | Special Weather Statement | MFL | Palm Beach | 28 min |
| Jul 24, 6:25 PM EDT | Special Weather Statement | MFL | Glades | 35 min |
| Jul 24, 7:29 PM EDT | Special Marine Warning | MFL | 46 min |
Nearby
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.