Alert archive / Florida / Flood Watches in 2021

Flood Watch 2, NWS Miami, FL

July 5, 2021Collier County, Florida

NWS Miami, FL issued this flood watch at Jul 5, 2021, 10:14 AM EDT for Collier County, Florida. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued
Jul 5, 2021, 10:14 AM EDT (14:14 UTC)
Expired
Jul 7, 2021, 2:23 AM EDT
In force
40 hr
Issued by
NWS Miami, FL
Flood severity
None

County Collier County, FL

The radar

The Miami radar (KAMX), 111 km from the middle of the area, began a volume at 14:16 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, 2.2 hours before the alert went out and 113 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 2021-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1257 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2021-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 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
1257 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
894 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
-36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

416 
WGUS62 KMFL 051414
FFAMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Miami FL
1014 AM EDT Mon Jul 5 2021

.Tropical Storm Elsa is forecast to move northward across the 
eastern Gulf of Mexico later today through late Tuesday. Heavy 
rainfall associated with Elsa will move into Collier County. 
Rainfall amounts of 3 to 5 inches with locally higher amounts will 
be possible. Torrential rainfall will likely lead to flooding of 
poor drainage and urbanized areas, especially around Naples.

FLZ069-070-060600-
/O.NEW.KMFL.FA.A.0002.210705T1414Z-210707T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coastal Collier-Inland Collier-
Including the cities of Everglades City, Immokalee, Naples, and 
Marco Island
1014 AM EDT Mon Jul 5 2021

...FLOOD WATCH IN EFFECT THROUGH TUESDAY EVENING...

The National Weather Service in Miami has issued a

* Flood Watch for a portion of South Florida, including the 
  following areas, Coastal Collier and Inland Collier.

* Through Tuesday evening.

* Tropical Storm Elsa is forecast to move northward across the 
  eastern Gulf of Mexico later today through late Tuesday. Heavy 
  rainfall associated with Elsa will begin to impact the region 
  later today.

* Rainfall amounts of 3 to 5 inches with locally higher amounts 
  possible. Torrential rainfall will likely lead to flooding of poor 
  drainage and urbanized areas, especially around Naples.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
6 follow-up statements
756 
WGUS62 KMFL 060259
FFAMFL

Flood Watch
National Weather Service Miami FL
1059 PM EDT Mon Jul 5 2021

.Tropical Storm Elsa is forecast to move northward across the
eastern Gulf of Mexico later today through late Tuesday. Heavy
rainfall associated with Elsa will move into Collier County.
Rainfall amounts of 3 to 5 inches with locally higher amounts
will be possible. Torrential rainfall will likely lead to
flooding of poor drainage and urbanized areas, especially around
Naples.

FLZ069-070-061100-
/O.CON.KMFL.FA.A.0002.000000T0000Z-210707T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coastal Collier-Inland Collier-
1059 PM EDT Mon Jul 5 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY EVENING...

The Flood Watch continues for

* a portion of South Florida, including the following areas, 
  Coastal Collier and Inland Collier. 

* Through Tuesday evening

* Tropical Storm Elsa is forecast to move northward across the 
  eastern Gulf of Mexico later today through late Tuesday. Heavy 
  rainfall associated with Elsa will begin to impact the region 
  later today.

* Rainfall amounts of 3 to 5 inches with locally higher amounts 
  possible. Torrential rainfall will likely lead to flooding of poor 
  drainage and urbanized areas, especially around Naples.

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.

&&

$$
945 
WGUS62 KMFL 060854
FFAMFL

Flood Watch
National Weather Service Miami FL
454 AM EDT Tue Jul 6 2021

.Tropical Storm Elsa is forecast to move northward across the
eastern Gulf of Mexico later today through late Tuesday. Heavy
rainfall associated with Elsa will move into Collier County.
Rainfall amounts of 3 to 5 inches with locally higher amounts
will be possible. Torrential rainfall will likely lead to
flooding of poor drainage and urbanized areas, especially around
Naples.

FLZ069-070-061700-
/O.CON.KMFL.FA.A.0002.000000T0000Z-210707T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coastal Collier-Inland Collier-
454 AM EDT Tue Jul 6 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flood Watch continues for

* a portion of South Florida, including the following areas, 
  Coastal Collier and Inland Collier. 

* Through this evening

* Tropical Storm Elsa is forecast to move northward across the
  eastern Gulf of Mexico today through Wednesday. Heavy rainfall
  associated with Elsa will impact the region through the today.

* Rainfall amounts of 3 to 5 inches with locally higher amounts 
  possible. Torrential rainfall will likely lead to flooding of poor 
  drainage and urbanized areas, especially around Naples.


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.

&&

$$
639 
WGUS62 KMFL 061124
FFAMFL

Flood Watch
National Weather Service Miami FL
724 AM EDT Tue Jul 6 2021

FLZ069-070-070000-
/O.CON.KMFL.FA.A.0002.000000T0000Z-210707T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coastal Collier-Inland Collier-
724 AM EDT Tue Jul 6 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flood Watch continues for

* A portion of South Florida, including the following areas, 
  Coastal Collier and Inland Collier. 

* Through this evening

* Tropical Storm Elsa is forecast to move northward across the
  eastern Gulf of Mexico through Wednesday. Torrential rainfall 
  associated with Elsa will impact portions of Southwest Florida.

* Rainfall amounts of 3 to 5 inches with locally higher amounts
  possible. Torrential rainfall will likely lead to flooding of
  poor drainage and urbanized areas, especially around the Naples
  area.

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
933 
WGUS62 KMFL 062107
FFAMFL

Flood Watch
National Weather Service Miami FL
507 PM EDT Tue Jul 6 2021


FLZ069-070-070400-
/O.CON.KMFL.FA.A.0002.000000T0000Z-210707T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coastal Collier-Inland Collier-
507 PM EDT Tue Jul 6 2021

...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

The Flood Watch continues for

* a portion of South Florida, including the following areas, 
  Coastal Collier and Inland Collier. 

* Until midnight EDT tonight

* Torrential rainfall associated with Elsa will impact portions 
  of Southwest 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 around the Naples 
  area.

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.

&&

$$
704 
WGUS62 KMFL 070259
FFAMFL

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Miami FL
1059 PM EDT Tue Jul 6 2021


FLZ069-070-071100-
/O.EXT.KMFL.FA.A.0002.000000T0000Z-210707T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coastal Collier-Inland Collier-
1059 PM EDT Tue Jul 6 2021

...FLOOD WATCH NOW IN EFFECT UNTIL 8 AM EDT WEDNESDAY...

The Flood Watch is now in effect for

* a portion of South Florida, including the following areas, 
  Coastal Collier and Inland Collier. 

* Until 8 AM EDT Wednesday

* Torrential rainfall associated with Elsa will impact portions 
  of Southwest 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 around the Naples 
  area.

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.

&&

$$
202 
WGUS62 KMFL 070623
FFAMFL

Flood Watch
National Weather Service Miami FL
223 AM EDT Wed Jul 7 2021

FLZ069-070-070730-
/O.CAN.KMFL.FA.A.0002.000000T0000Z-210707T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coastal Collier-Inland Collier-
Including the cities of Everglades City, Immokalee, Naples, and 
Marco Island
223 AM EDT Wed Jul 7 2021

...FLOOD WATCH IS CANCELLED...

The Flood Watch for a portion of South Florida, including the 
following areas, Coastal Collier and Inland Collier has been 
cancelled.

The Flood Watch is cancelled. Flooding is no longer expected to pose 
a threat. Please continue to heed remaining road closures.

$$

MFL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 8:57 PM EDTSpecial Marine WarningMFL63 min
Jul 4, 11:07 PM EDTTropical Storm WarningMFLCollier, Monroe51 hr
Jul 5, 5:16 AM EDTRip Current StatementMFLBroward, Collier, Miami-Dade, Palm Beach63 hr
Jul 5, 12:00 PM EDTSpecial Weather StatementMFLHendry45 min
Jul 5, 12:57 PM EDTSpecial Weather StatementMFLHendry48 min
Jul 5, 1:03 PM EDTSpecial Weather StatementMFLMiami-Dade42 min
Jul 5, 1:26 PM EDTSpecial Weather StatementMFLGlades34 min
Jul 5, 1:34 PM EDTSpecial Marine WarningMFL116 min
Jul 5, 1:43 PM EDTSpecial Weather StatementMFLMiami-Dade, Monroe62 min
Jul 5, 1:50 PM EDTSpecial Weather StatementMFLGlades40 min
Jul 5, 2:16 PM EDTSpecial Weather StatementMFLHendry44 min
Jul 5, 2:25 PM EDTSpecial Marine WarningMFL95 min
Jul 5, 2:39 PM EDTSpecial Weather StatementMFLMiami-Dade66 min
Jul 5, 3:02 PM EDTSpecial Weather StatementMFLHendry43 min
Jul 5, 3:07 PM EDTSpecial Weather StatementMFLCollier38 min
Jul 5, 3:08 PM EDTSevere Thunderstorm WarningMFLMiami-Dade52 min
Jul 5, 3:24 PM EDTSpecial Marine WarningMFL2 hr
Jul 5, 3:32 PM EDTAreal Flood AdvisoryMFLMiami-Dade3 hr
Jul 5, 3:37 PM EDTTornado WarningMFLMiami-Dade23 min
Jul 5, 3:38 PM EDTSevere Thunderstorm WarningMFLCollier44 min
Jul 5, 3:41 PM EDTSpecial Weather StatementMFLGlades49 min
Jul 5, 3:48 PM EDTSpecial Weather StatementMFLHendry57 min
Jul 5, 3:48 PM EDTSpecial Weather StatementMFLBroward42 min
Jul 5, 3:55 PM EDTSpecial Weather StatementMFLMiami-Dade35 min
Jul 5, 4:13 PM EDTSpecial Weather StatementMFLBroward47 min
Jul 5, 4:29 PM EDTSpecial Marine WarningMFL2 hr
Jul 5, 4:33 PM EDTSpecial Weather StatementMFLHendry, Palm Beach42 min
Jul 5, 4:37 PM EDTSpecial Weather StatementMFLCollier53 min
Jul 5, 4:41 PM EDTSpecial Weather StatementMFLPalm Beach94 min
Jul 5, 4:57 PM EDTSpecial Weather StatementMFLBroward63 min
Jul 5, 5:04 PM EDTSpecial Marine WarningMFL116 min
Jul 5, 5:07 PM EDTCoastal Flood AdvisoryMFLCollier, Monroe36 hr
Jul 5, 6:16 PM EDTSpecial Marine WarningMFL89 min
Jul 5, 6:21 PM EDTSpecial Weather StatementMFLGlades39 min
Jul 5, 6:57 PM EDTSpecial Marine WarningMFL33 min
Jul 5, 7:00 PM EDTSpecial Weather StatementMFLGlades45 min
Jul 5, 7:22 PM EDTSpecial Marine WarningMFL38 min
Jul 5, 7:51 PM EDTSpecial Marine WarningMFL39 min

Nearby

Flood Watches in Florida, 2021Every flood watch 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.