Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Melbourne, FL

July 5, 2021Osceola County, Florida

NWS Melbourne, FL issued this special weather statement at Jul 5, 2021, 3:49 PM EDT for Osceola 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
Jul 5, 2021, 3:49 PM EDT (19:49 UTC)
Expired
Jul 5, 2021, 4:15 PM EDT
In force
26 min
Issued by
NWS Melbourne, FL

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 53 km from the middle of the area, began a volume at 19:51 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, 7.8 hours before the alert went out and 91 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 2021-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 518 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 2021-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
518 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1001 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

952 
WWUS82 KMLB 051949
SPSMLB

Special Weather Statement
National Weather Service Melbourne FL
349 PM EDT Mon Jul 5 2021

FLZ053-052015-
Osceola-
349 PM EDT Mon Jul 5 2021

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN OSCEOLA
COUNTY...

At 349 PM EDT, strong thunderstorms were clustered near Kenansville,
moving north at 10 mph.

Wind gusts up to 50 mph are possible with this storm.

Locations impacted include...
Lake Kissimmee, Kenansville and Lake Marian. 

Torrential rainfall is also occurring with this storm and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 2804 8087 2782 8087 2782 8088 2781 8088
      2773 8117 2775 8118 2776 8117 2783 8122
      2785 8124 2785 8127 2786 8130 2792 8131
      2794 8135
TIME...MOT...LOC 1949Z 166DEG 8KT 2785 8092 

$$

Combs

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 4:50 AM EDTTropical Storm WatchMLBLake54 hr
Jul 5, 2:45 PM EDTSpecial Weather StatementMLBOkeechobee30 min
Jul 5, 3:03 PM EDTSpecial Weather StatementMLBOsceola27 min
Jul 5, 3:31 PM EDTSpecial Weather StatementMLBOsceola29 min
Jul 5, 4:59 PM EDTSpecial Weather StatementMLBOrange31 min
Jul 5, 5:15 PM EDTSpecial Marine WarningMLB90 min
Jul 5, 5:21 PM EDTSpecial Weather StatementMLBMartin, Okeechobee, Saint Lucie54 min
Jul 5, 5:28 PM EDTSpecial Weather StatementMLBOrange32 min
Jul 5, 6:09 PM EDTSpecial Weather StatementMLBIndian River, Martin, Okeechobee, Saint Lucie66 min
Jul 5, 6:28 PM EDTSpecial Marine WarningMLB62 min
Jul 5, 6:56 PM EDTSpecial Weather StatementMLBBrevard, Indian River, Osceola64 min
Jul 5, 7:24 PM EDTSpecial Marine WarningMLB2 hr

Nearby

Special Weather Statements in Florida, 2021Every special weather statement 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.