Alert archive / Florida / Tornado Warnings in 2023

Tornado Warning 9, NWS Miami, FL

April 30, 2023Glades County, Florida

NWS Miami, FL issued this tornado warning at Apr 30, 2023, 6:37 AM EDT for Glades County, Florida. It was in force for 23 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, 6:37 AM EDT (10:37 UTC)
Expired: Apr 30, 2023, 7:00 AM EDT
In force: 23 min
Issued by: NWS Miami, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Glades County, FL

The radar

The Tampa radar (KTBW), 128 km from the middle of the area, began a volume at 10:40 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.

Issued	Product	Office	Lasted
Apr 30, 5:03 AM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 10.6 hours before the alert went out and 128 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 328 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 797 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -41 m²/s²
0-3 km storm-relative helicity: 35 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

As transmitted.

046 
WFUS52 KMFL 301037
TORMFL
FLC043-301100-
/O.NEW.KMFL.TO.W.0009.230430T1037Z-230430T1100Z/

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

The National Weather Service in Miami has issued a

* Tornado Warning for...
  West central Glades County in southern Florida...

* Until 700 AM EDT.
    
* At 637 AM EDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles northwest of Muse, or 16 miles northwest of
  Labelle, moving east 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...
  Palmdale.

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 2703 8133 2703 8127 2693 8125 2688 8156
      2703 8156 2703 8134 2704 8134 2704 8133
TIME...MOT...LOC 1037Z 249DEG 40KT 2694 8160 

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

$$

Kelly

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 9:27 PM EDT	Special Weather Statement	MFL	Glades	48 min
Apr 29, 10:18 PM EDT	Special Marine Warning	MFL		42 min
Apr 29, 10:49 PM EDT	Special Weather Statement	MFL	Monroe	26 min
Apr 29, 10:57 PM EDT	Special Marine Warning	MFL		33 min
Apr 29, 11:26 PM EDT	Special Weather Statement	MFL	Monroe	34 min
Apr 30, 12:10 AM EDT	Special Weather Statement	MFL	Miami-Dade	35 min
Apr 30, 12:30 AM EDT	Special Weather Statement	MFL	Miami-Dade	45 min
Apr 30, 4:22 AM EDT	Rip Current Statement	MFL	Collier	40 hr
Apr 30, 5:41 AM EDT	Special Marine Warning	MFL		94 min
Apr 30, 6:51 AM EDT	Special Marine Warning	MFL		54 min
Apr 30, 7:00 AM EDT	Tornado Warning	MFL	Glades	15 min
Apr 30, 7:01 AM EDT	Special Marine Warning	MFL		89 min
Apr 30, 7:13 AM EDT	Special Weather Statement	MFL	Glades	32 min
Apr 30, 7:15 AM EDT	Special Weather Statement	MFL	Collier	45 min
Apr 30, 7:28 AM EDT	Tornado Warning	MFL	Glades	17 min
Apr 30, 7:41 AM EDT	Severe Thunderstorm Warning	MFL	Collier, Glades, Hendry	34 min
Apr 30, 7:45 AM EDT	Special Marine Warning	MFL		60 min
Apr 30, 8:06 AM EDT	Severe Thunderstorm Warning	MFL	Broward, Collier, Glades, Hendry, Palm Beach	24 min
Apr 30, 8:12 AM EDT	Tornado Warning	MFL	Collier, Hendry	17 min
Apr 30, 8:31 AM EDT	Severe Thunderstorm Warning	MFL	Hendry, Palm Beach	44 min
Apr 30, 8:33 AM EDT	Special Marine Warning	MFL		27 min
Apr 30, 8:40 AM EDT	Special Marine Warning	MFL		95 min
Apr 30, 8:49 AM EDT	Special Weather Statement	MFL	Broward	41 min
Apr 30, 9:01 AM EDT	Special Marine Warning	MFL		59 min
Apr 30, 9:11 AM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	49 min
Apr 30, 9:19 AM EDT	Tornado Warning	MFL	Palm Beach	26 min
Apr 30, 9:30 AM EDT	Special Weather Statement	MFL	Broward, Monroe	45 min
Apr 30, 9:31 AM EDT	Tornado Warning	MFL	Palm Beach	28 min
Apr 30, 10:00 AM EDT	Special Weather Statement	MFL	Palm Beach	30 min
Apr 30, 10:01 AM EDT	Special Marine Warning	MFL		59 min
Apr 30, 10:14 AM EDT	Special Weather Statement	MFL	Broward, Miami-Dade	46 min
Apr 30, 10:19 AM EDT	Severe Thunderstorm Warning	MFL	Broward	26 min
Apr 30, 10:33 AM EDT	Severe Thunderstorm Warning	MFL	Broward	5 min
Apr 30, 10:36 AM EDT	Special Marine Warning	MFL		54 min
Apr 30, 10:55 AM EDT	Special Marine Warning	MFL		65 min
Apr 30, 10:56 AM EDT	Special Weather Statement	MFL	Broward	34 min
Apr 30, 11:29 AM EDT	Special Marine Warning	MFL		61 min
Apr 30, 11:36 AM EDT	Special Marine Warning	MFL		54 min
Apr 30, 6:13 PM EDT	Small Craft Advisory	MFL		14 hr

Nearby

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