Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 33, NWS Miami, FL

June 26, 2021Collier County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 26, 2021, 3:03 PM EDT for Collier County, Florida. It was in force for 42 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 26, 2021, 3:03 PM EDT (19:03 UTC)
Expired
Jun 26, 2021, 3:45 PM EDT
In force
42 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

County Collier County, FL

The radar

The Miami radar (KAMX), 147 km from the middle of the area, began a volume at 19:04 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.

What was reported inside it

TimeReportWhereRemark
Jun 26, 3:23 PM EDTTSTM WND GST 501 S Pelican Bay, FL...DELAYED REPORT... A THUNDERSTORM WIND GUST OF 50 MPH WAS RECORDED BY THE MESONET STATION NPLSR LOCATED AT THE NAPLES GRANDE BEACH RESORT IN VANDERBILT BEACH.
Jun 26, 3:23 PM EDTMARINE TSTM WIND 501 S Pelican Bay, FL...DELAYED REPORT... A MARINE THUNDERSTORM WIND GUST OF 50 MPH / 43 KNOTS WAS RECORDED BY THE MESONET STATION NPLSR LOCATED AT THE NAPLES GRANDE BEACH RESORT IN VANDERBILT BEACH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 7.1 hours before the alert went out and 151 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 2021-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1154 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 2021-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
1154 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
946 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

894 
WUUS52 KMFL 261903
SVRMFL
FLC021-261945-
/O.NEW.KMFL.SV.W.0033.210626T1903Z-210626T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Miami FL
303 PM EDT Sat Jun 26 2021

The National Weather Service in Miami has issued a

* Severe Thunderstorm Warning for...
  West central Collier County in southwestern Florida...

* Until 345 PM EDT.

* At 302 PM EDT, a severe thunderstorm was located over East Naples,
  or near Naples, moving west at 20 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Naples, Marco Island, Golden Gate Estates, Naples Park and Belle
  Meade.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 2629 8185 2631 8168 2611 8165 2602 8160
      2592 8180 2608 8184
TIME...MOT...LOC 1902Z 105DEG 18KT 2610 8177 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

Weinman
2 follow-up statements
031 
WWUS52 KMFL 261923
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
323 PM EDT Sat Jun 26 2021

FLC021-261945-
/O.CON.KMFL.SV.W.0033.000000T0000Z-210626T1945Z/
Collier FL-
323 PM EDT Sat Jun 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR WEST CENTRAL COLLIER COUNTY...

At 323 PM EDT, a severe thunderstorm was located near Naples, moving
west at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Naples, Naples Park, Naples Manor, East Naples and North Naples. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 2629 8185 2630 8178 2618 8175 2608 8172
      2603 8183 2610 8184
TIME...MOT...LOC 1923Z 108DEG 13KT 2617 8185 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

Weinman
703 
WWUS52 KMFL 261936
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
336 PM EDT Sat Jun 26 2021

FLC021-261946-
/O.EXP.KMFL.SV.W.0033.000000T0000Z-210626T1945Z/
Collier FL-
336 PM EDT Sat Jun 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL COLLIER COUNTY
WILL EXPIRE AT 345 PM EDT...
        
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.

LAT...LON 2629 8185 2630 8178 2618 8175 2608 8172
      2603 8183 2610 8184
TIME...MOT...LOC 1936Z 105DEG 18KT 2619 8192 

$$

Weinman

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 12:05 PM EDTSpecial Marine WarningMFL85 min
Jun 26, 12:28 PM EDTSpecial Weather StatementMFLHendry47 min
Jun 26, 1:21 PM EDTSpecial Weather StatementMFLHendry39 min
Jun 26, 1:42 PM EDTSpecial Marine WarningMFL48 min
Jun 26, 1:48 PM EDTSpecial Marine WarningMFL52 min
Jun 26, 1:52 PM EDTSpecial Weather StatementMFLCollier38 min
Jun 26, 2:09 PM EDTSpecial Weather StatementMFLHendry36 min
Jun 26, 2:57 PM EDTSpecial Marine WarningMFL33 min
Jun 26, 2:59 PM EDTSpecial Weather StatementMFLCollier46 min
Jun 26, 3:30 PM EDTSpecial Marine WarningMFL45 min
Jun 26, 3:42 PM EDTSpecial Weather StatementMFLCollier33 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.