Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 1, NWS Miami, FL

February 16, 20214 counties in Florida

NWS Miami, FL issued this tornado warning at Feb 16, 2021, 6:23 AM EST for 4 counties in Florida. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 16, 2021, 6:23 AM EST (11:23 UTC)
Expired
Feb 16, 2021, 7:00 AM EST
In force
37 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Broward County, FL, Collier County, FL, Hendry County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 80 km from the middle of the area, began a volume at 11:24 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, 11.4 hours before the alert went out and 70 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 00:00Z on 2021-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 985 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 00:00Z on 2021-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.19395878Sfc1 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
985 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
957 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.6

Open this sounding in Storm Lab

The text

As transmitted.

933 
WFUS52 KMFL 161123
TORMFL
FLC011-021-051-099-161200-
/O.NEW.KMFL.TO.W.0001.210216T1123Z-210216T1200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
623 AM EST Tue Feb 16 2021

The National Weather Service in Miami has issued a

* Tornado Warning for...
  East central Collier County in southwestern Florida...
  Southeastern Hendry County in southern Florida...
  Northern Broward County in southeastern Florida...
  Southwestern Palm Beach County in southeastern Florida...

* Until 700 AM EST.
    
* At 622 AM EST, a severe thunderstorm capable of producing a tornado
  was located over Miccosukee Indian Reservation, or 34 miles south
  of South Bay, moving northeast at 25 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Expect damage to mobile homes, roofs, and vehicles. Tree 
           damage is likely.

* Locations impacted include...
  Miccosukee Indian Reservation and Miccosukee Service Plaza. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Miami. You can also share your report with NWS Miami on Facebook and
Twitter.

&&

LAT...LON 2614 8088 2617 8094 2634 8085 2627 8067
TIME...MOT...LOC 1122Z 231DEG 24KT 2618 8089 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

HVN
2 follow-up statements
790 
WWUS52 KMFL 161135
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
635 AM EST Tue Feb 16 2021

FLC011-021-051-099-161200-
/O.CON.KMFL.TO.W.0001.000000T0000Z-210216T1200Z/
Collier FL-Hendry FL-Broward FL-Palm Beach FL-
635 AM EST Tue Feb 16 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 AM EST FOR EASTERN
COLLIER...SOUTHEASTERN HENDRY...NORTHERN BROWARD AND SOUTHWESTERN
PALM BEACH COUNTIES...
    
At 634 AM EST, a severe thunderstorm capable of producing a tornado
was located near Miccosukee Service Plaza, or 30 miles south of South
Bay, moving northeast at 30 mph.

HAZARD...TORNADO.

SOURCE...Radar indicated rotation.

IMPACT...Expect damage to mobile homes, roofs, and vehicles. Tree 
         damage is likely.

This tornadic thunderstorm will remain over mainly rural areas of
eastern Collier, southeastern Hendry, northern Broward and
southwestern Palm Beach Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building and avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 2620 8088 2628 8088 2634 8085 2627 8067
      2619 8080
TIME...MOT...LOC 1134Z 231DEG 24KT 2623 8082 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

HVN
416 
WWUS52 KMFL 161151
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
651 AM EST Tue Feb 16 2021

FLC011-021-051-099-161200-
/O.EXP.KMFL.TO.W.0001.000000T0000Z-210216T1200Z/
Collier FL-Hendry FL-Broward FL-Palm Beach FL-
651 AM EST Tue Feb 16 2021

...THE TORNADO WARNING FOR EASTERN COLLIER...SOUTHEASTERN HENDRY...
NORTHERN BROWARD AND SOUTHWESTERN PALM BEACH COUNTIES WILL EXPIRE AT
700 AM EST...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Miami.

LAT...LON 2620 8088 2628 8088 2634 8085 2627 8067
      2619 8080
TIME...MOT...LOC 1150Z 231DEG 24KT 2629 8073 

$$

HVN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 10:53 PM ESTSpecial Weather StatementMFLMiami-Dade52 min
Feb 15, 11:11 PM ESTSevere Thunderstorm WarningMFLCollier, Miami-Dade, Monroe34 min
Feb 15, 11:17 PM ESTSpecial Weather StatementMFLBroward28 min
Feb 15, 11:19 PM ESTSpecial Weather StatementMFLGlades56 min
Feb 15, 11:44 PM ESTSpecial Weather StatementMFLBroward46 min
Feb 16, 12:04 AM ESTSpecial Weather StatementMFLBroward26 min
Feb 16, 12:29 AM ESTSpecial Weather StatementMFLPalm Beach46 min
Feb 16, 5:59 AM ESTSpecial Weather StatementMFLBroward46 min
Feb 16, 6:10 AM ESTSevere Thunderstorm WarningMFLBroward, Collier, Hendry35 min
Feb 16, 6:46 AM ESTSpecial Weather StatementMFLPalm Beach44 min
Feb 16, 6:54 AM ESTSpecial Weather StatementMFLBroward51 min
Feb 16, 7:27 AM ESTSpecial Weather StatementMFLPalm Beach48 min
Feb 16, 7:42 AM ESTSpecial Weather StatementMFLBroward48 min
Feb 16, 8:25 AM ESTSpecial Weather StatementMFLBroward50 min
Feb 16, 9:15 AM ESTSpecial Weather StatementMFLMiami-Dade45 min
Feb 16, 10:16 AM ESTSpecial Marine WarningMFL29 min
Feb 16, 10:45 AM ESTSpecial Marine WarningMFL30 min
Feb 16, 11:56 AM ESTSpecial Weather StatementMFLMiami-Dade49 min
Feb 16, 12:37 PM ESTSpecial Weather StatementMFLMiami-Dade23 min
Feb 16, 12:57 PM ESTSpecial Marine WarningMFL48 min
Feb 16, 1:17 PM ESTSpecial Weather StatementMFLMiami-Dade28 min
Feb 16, 1:57 PM ESTSpecial Marine WarningMFL63 min
Feb 16, 2:20 PM ESTSpecial Marine WarningMFL55 min
Feb 16, 3:02 PM ESTSpecial Weather StatementMFLBroward43 min
Feb 16, 3:31 PM ESTSpecial Weather StatementMFLMiami-Dade44 min
Feb 16, 3:43 PM ESTAreal Flood AdvisoryMFLMiami-Dade3 hr
Feb 16, 4:01 PM ESTFlash Flood WarningMFLMiami-Dade3 hr
Feb 16, 4:16 PM ESTSpecial Weather StatementMFLBroward44 min
Feb 16, 4:58 PM ESTSpecial Marine WarningMFL62 min
Feb 16, 5:13 PM ESTAreal Flood AdvisoryMFLMiami-Dade3 hr
Feb 16, 5:16 PM ESTSpecial Weather StatementMFLMiami-Dade44 min
Feb 16, 5:49 PM ESTSpecial Weather StatementMFLBroward56 min
Feb 16, 6:23 PM ESTSpecial Weather StatementMFLBroward67 min
Feb 16, 6:34 PM ESTAreal Flood AdvisoryMFLBroward4 hr
Feb 16, 6:51 PM ESTSpecial Weather StatementMFLBroward39 min
Feb 16, 6:59 PM ESTAreal Flood AdvisoryMFLMiami-Dade4 hr

Nearby

Tornado Warnings in Florida, 2021Every tornado warning in 2021Tornadoes 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.