Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Melbourne, FL

June 14, 2021Osceola County, Florida

NWS Melbourne, FL issued this special weather statement at Jun 14, 2021, 3:08 PM EDT for Osceola County, Florida. It was in force for 22 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
Jun 14, 2021, 3:08 PM EDT (19:08 UTC)
Expired
Jun 14, 2021, 3:30 PM EDT
In force
22 min
Issued by
NWS Melbourne, FL

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 60 km from the middle of the area, began a volume at 19:12 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, 7.1 hours before the alert went out and 95 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 2021-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 786 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 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.193958Sfc1 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
786 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
770 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

902 
WWUS82 KMLB 141908
SPSMLB

Special Weather Statement
National Weather Service Melbourne FL
308 PM EDT Mon Jun 14 2021

FLZ053-141930-
Osceola-
308 PM EDT Mon Jun 14 2021

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL OSCEOLA COUNTY...

At 308 PM EDT, a strong thunderstorm was located near Lake Kissimmee,
moving east at 25 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.

LAT...LON 2797 8128 2802 8095 2781 8093 2782 8121
      2785 8124 2785 8125 2784 8126 2785 8128
      2786 8128 2786 8129
TIME...MOT...LOC 1908Z 260DEG 22KT 2792 8119 

$$

Combs

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 12:02 PM EDTSpecial Weather StatementMLBVolusia28 min
Jun 14, 12:51 PM EDTSpecial Marine WarningMLB84 min
Jun 14, 1:44 PM EDTSpecial Marine WarningMLB2 hr
Jun 14, 1:47 PM EDTSpecial Weather StatementMLBOkeechobee28 min
Jun 14, 2:13 PM EDTSpecial Marine WarningMLB107 min
Jun 14, 2:17 PM EDTSpecial Weather StatementMLBVolusia43 min
Jun 14, 2:40 PM EDTSpecial Weather StatementMLBIndian River50 min
Jun 14, 3:22 PM EDTSpecial Weather StatementMLBFlagler23 min
Jun 14, 3:41 PM EDTSpecial Weather StatementMLBBrevard34 min
Jun 14, 3:44 PM EDTSpecial Marine WarningMLB2 hr
Jun 14, 4:09 PM EDTSpecial Weather StatementMLBOrange66 min
Jun 14, 4:59 PM EDTAreal Flood AdvisoryMLBBrevard, Orange91 min
Jun 14, 5:19 PM EDTSpecial Weather StatementMLBSeminole26 min
Jun 14, 7:07 PM EDTAreal Flood AdvisoryMLBBrevard113 min

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.