Alert archive / Florida / Tornado Warnings in 2023

Tornado Warning 13, NWS Miami, FL

April 30, 2023Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at Apr 30, 2023, 9:19 AM EDT for Palm Beach County, Florida. It was in force for 26 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
Apr 30, 2023, 9:19 AM EDT (13:19 UTC)
Expired
Apr 30, 2023, 9:45 AM EDT
In force
26 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 108 km from the middle of the area, began a volume at 13:19 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 30, 5:03 AM EDTTornado WatchSPC7 hr

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 1.3 hours before the alert went out and 87 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 2023-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1671 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 2023-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939587897Sfc1 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
1671 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
822 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.4

Open this sounding in Storm Lab

The text

As transmitted.

248 
WFUS52 KMFL 301319
TORMFL
FLC099-301345-
/O.NEW.KMFL.TO.W.0013.230430T1319Z-230430T1345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
919 AM EDT Sun Apr 30 2023

The National Weather Service in Miami has issued a

* Tornado Warning for...
  Central Palm Beach County in southeastern Florida...

* Until 945 AM EDT.
    
* At 918 AM EDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles east of Okeelanta, or 9 miles southeast of
  Belle Glade, moving northeast at 45 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Wellington, Lion Country Safari Park and Loxahatchee NWR. 

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.

&&

LAT...LON 2649 8059 2659 8065 2674 8035 2661 8025
TIME...MOT...LOC 1318Z 240DEG 38KT 2658 8058 

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

$$

Kelly
1 follow-up statement
412 
WWUS52 KMFL 301328
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
928 AM EDT Sun Apr 30 2023

FLC099-301345-
/O.CON.KMFL.TO.W.0013.000000T0000Z-230430T1345Z/
Palm Beach FL-
928 AM EDT Sun Apr 30 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 AM EDT FOR CENTRAL
PALM BEACH COUNTY...
    
At 928 AM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southwest of Lion Country Safari Park, or 12
miles east of Belle Glade, moving northeast at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Wellington, Lion Country Safari Park and Loxahatchee NWR. 

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.

&&

LAT...LON 2655 8043 2665 8053 2674 8035 2661 8025
TIME...MOT...LOC 1328Z 240DEG 38KT 2663 8047 

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

$$

Kelly

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 9:27 PM EDTSpecial Weather StatementMFLGlades48 min
Apr 29, 10:18 PM EDTSpecial Marine WarningMFL42 min
Apr 29, 10:49 PM EDTSpecial Weather StatementMFLMonroe26 min
Apr 29, 10:57 PM EDTSpecial Marine WarningMFL33 min
Apr 29, 11:26 PM EDTSpecial Weather StatementMFLMonroe34 min
Apr 30, 12:10 AM EDTSpecial Weather StatementMFLMiami-Dade35 min
Apr 30, 12:30 AM EDTSpecial Weather StatementMFLMiami-Dade45 min
Apr 30, 4:22 AM EDTRip Current StatementMFLCollier40 hr
Apr 30, 5:41 AM EDTSpecial Marine WarningMFL94 min
Apr 30, 6:37 AM EDTTornado WarningMFLGlades23 min
Apr 30, 6:51 AM EDTSpecial Marine WarningMFL54 min
Apr 30, 7:00 AM EDTTornado WarningMFLGlades15 min
Apr 30, 7:01 AM EDTSpecial Marine WarningMFL89 min
Apr 30, 7:13 AM EDTSpecial Weather StatementMFLGlades32 min
Apr 30, 7:15 AM EDTSpecial Weather StatementMFLCollier45 min
Apr 30, 7:28 AM EDTTornado WarningMFLGlades17 min
Apr 30, 7:41 AM EDTSevere Thunderstorm WarningMFLCollier, Glades, Hendry34 min
Apr 30, 7:45 AM EDTSpecial Marine WarningMFL60 min
Apr 30, 8:06 AM EDTSevere Thunderstorm WarningMFLBroward, Collier, Glades, Hendry, Palm Beach24 min
Apr 30, 8:12 AM EDTTornado WarningMFLCollier, Hendry17 min
Apr 30, 8:31 AM EDTSevere Thunderstorm WarningMFLHendry, Palm Beach44 min
Apr 30, 8:33 AM EDTSpecial Marine WarningMFL27 min
Apr 30, 8:40 AM EDTSpecial Marine WarningMFL95 min
Apr 30, 8:49 AM EDTSpecial Weather StatementMFLBroward41 min
Apr 30, 9:01 AM EDTSpecial Marine WarningMFL59 min
Apr 30, 9:11 AM EDTSevere Thunderstorm WarningMFLPalm Beach49 min
Apr 30, 9:30 AM EDTSpecial Weather StatementMFLBroward, Monroe45 min
Apr 30, 9:31 AM EDTTornado WarningMFLPalm Beach28 min
Apr 30, 10:00 AM EDTSpecial Weather StatementMFLPalm Beach30 min
Apr 30, 10:01 AM EDTSpecial Marine WarningMFL59 min
Apr 30, 10:14 AM EDTSpecial Weather StatementMFLBroward, Miami-Dade46 min
Apr 30, 10:19 AM EDTSevere Thunderstorm WarningMFLBroward26 min
Apr 30, 10:33 AM EDTSevere Thunderstorm WarningMFLBroward5 min
Apr 30, 10:36 AM EDTSpecial Marine WarningMFL54 min
Apr 30, 10:55 AM EDTSpecial Marine WarningMFL65 min
Apr 30, 10:56 AM EDTSpecial Weather StatementMFLBroward34 min
Apr 30, 11:29 AM EDTSpecial Marine WarningMFL61 min
Apr 30, 11:36 AM EDTSpecial Marine WarningMFL54 min
Apr 30, 6:13 PM EDTSmall Craft AdvisoryMFL14 hr

Nearby

Tornado Warnings in Florida, 2023Every tornado warning in 2023Tornadoes 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.