Alert archive / Florida / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 21, NWS Melbourne, FL

May 13, 2024Osceola County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at May 13, 2024, 6:11 PM EDT for Osceola County, Florida. It was in force for 34 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
May 13, 2024, 6:11 PM EDT (22:11 UTC)
Expired
May 13, 2024, 6:45 PM EDT
In force
34 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 64 km from the middle of the area, began a volume at 22:12 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 10.2 hours before the alert went out and 101 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, Cape Canaveral, FL at 12:00Z on 2024-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 81 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, Cape Canaveral, FL at 12:00Z on 2024-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
81 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
846 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

132 
WUUS52 KMLB 132211
SVRMLB
FLC097-132245-
/O.NEW.KMLB.SV.W.0021.240513T2211Z-240513T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Melbourne FL
611 PM EDT Mon May 13 2024

The National Weather Service in Melbourne has issued a

* Severe Thunderstorm Warning for...
  South central Osceola County in east central Florida...

* Until 645 PM EDT.

* At 610 PM EDT, a severe thunderstorm was located near Lake
  Kissimmee, moving east at 15 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lake Kissimmee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature's leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2792 8131 2792 8129 2793 8127 2790 8112
      2766 8101 2766 8114 2769 8115 2771 8115
      2773 8117 2774 8116 2775 8118 2776 8117
      2782 8121 2785 8124 2785 8127 2786 8128
      2786 8130
TIME...MOT...LOC 2210Z 290DEG 15KT 2788 8124 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Sedlock
2 follow-up statements
772 
WWUS52 KMLB 132227
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
627 PM EDT Mon May 13 2024

FLC097-132245-
/O.CON.KMLB.SV.W.0021.000000T0000Z-240513T2245Z/
Osceola FL-
627 PM EDT Mon May 13 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTH CENTRAL OSCEOLA COUNTY...

At 627 PM EDT, a severe thunderstorm was located 8 miles north of
Kissimmee Prarie Preserve, or 11 miles south of Lake Marian, moving
east at 20 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

This severe thunderstorm will remain over mainly rural areas of south
central Osceola County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2784 8118 2785 8119 2786 8117 2790 8112
      2766 8101 2766 8114 2769 8115 2771 8115
      2773 8117 2774 8116 2775 8118 2776 8117
      2778 8118 2781 8118 2782 8117 2784 8119
TIME...MOT...LOC 2227Z 259DEG 17KT 2771 8106 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Sedlock
945 
WWUS52 KMLB 132238
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
638 PM EDT Mon May 13 2024

FLC097-132247-
/O.EXP.KMLB.SV.W.0021.000000T0000Z-240513T2245Z/
Osceola FL-
638 PM EDT Mon May 13 2024

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL OSCEOLA COUNTY
WILL EXPIRE AT 645 PM EDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

Remember, a Severe Thunderstorm Warning still remains in effect for
southeastern Osceola County until 700 PM.

LAT...LON 2784 8118 2785 8119 2786 8117 2790 8112
      2766 8101 2766 8114 2769 8115 2771 8115
      2773 8117 2774 8116 2775 8118 2776 8117
      2778 8118 2781 8118 2782 8117 2784 8119
TIME...MOT...LOC 2237Z 290DEG 15KT 2770 8102 

$$

Sedlock

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 2:35 AM EDTSmall Craft AdvisoryMLB49 hr
May 13, 4:24 PM EDTSpecial Weather StatementMLBLake36 min
May 13, 4:39 PM EDTSpecial Weather StatementMLBPolk36 min
May 13, 5:12 PM EDTSpecial Weather StatementMLBOsceola33 min
May 13, 5:33 PM EDTSpecial Weather StatementMLBOsceola42 min
May 13, 5:47 PM EDTSevere Thunderstorm WarningMLBOsceola28 min
May 13, 6:25 PM EDTSpecial Weather StatementMLBOsceola35 min
May 13, 6:34 PM EDTSevere Thunderstorm WarningMLBOsceola26 min
May 13, 6:48 PM EDTSevere Thunderstorm WarningMLBIndian River, Okeechobee, Osceola27 min
May 13, 7:11 PM EDTSpecial Weather StatementMLBOkeechobee34 min
May 13, 7:42 PM EDTSpecial Weather StatementMLBOkeechobee33 min
May 13, 7:59 PM EDTSevere Thunderstorm WarningMLBOkeechobee29 min

Nearby

Severe Thunderstorm Warnings in Florida, 2024Every severe thunderstorm warning in 2024

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.