Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Melbourne, FL

August 2, 2021Osceola County, Florida

NWS Melbourne, FL issued this special weather statement at Aug 2, 2021, 2:53 PM EDT for Osceola County, Florida. It was in force for 52 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 2, 2021, 2:53 PM EDT (18:53 UTC)
Expired
Aug 2, 2021, 3:45 PM EDT
In force
52 min
Issued by
NWS Melbourne, FL

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 49 km from the middle of the area, began a volume at 18:56 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.

What was reported inside it

TimeReportWhereRemark
Aug 2, 3:29 PM EDTTSTM WND GST 554 Wsw Cocoa, FLWEATHER UNDERGROUND SITE KFLCOCOA137 ON LAKE POINSETT MEASURES WIND GUST OF 55MPH FROM THE W

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 6.9 hours before the alert went out and 55 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 2021-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1347 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 2021-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
1347 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
904 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted.

081 
WWUS82 KMLB 021853
SPSMLB

Special Weather Statement
National Weather Service Melbourne FL
253 PM EDT Mon Aug 2 2021
 
FLZ045-047-053-147-021945-
Southern Brevard County FL-Osceola FL-Northern Brevard County FL-
Orange FL-
253 PM EDT Mon Aug 2 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BREVARD...
EASTERN ORANGE AND NORTHEASTERN OSCEOLA COUNTIES UNTIL 345 PM EDT...

At 252 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Bithlo to 6 miles southwest of Harmony.
Movement was east at 25 mph. Additional storms should develop over 
northern Brevard as a result of boundary collisions.

Half inch hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Titusville, Cocoa, Wedgefield, Lone Cabbage Fish Camp and Avalon
Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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

&&

LAT...LON 2857 8117 2865 8081 2809 8078 2804 8133
TIME...MOT...LOC 1852Z 250DEG 20KT 2853 8112 2814 8124 

$$

Kelly

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 8:32 PM EDTSpecial Marine WarningMLB58 min
Aug 1, 9:24 PM EDTSpecial Weather StatementMLBBrevard66 min
Aug 1, 9:30 PM EDTSpecial Marine WarningMLB2 hr
Aug 2, 12:40 PM EDTSpecial Weather StatementMLBSeminole50 min
Aug 2, 12:44 PM EDTSpecial Marine WarningMLB61 min
Aug 2, 1:23 PM EDTSpecial Weather StatementMLBLake52 min
Aug 2, 2:07 PM EDTSpecial Marine WarningMLB53 min
Aug 2, 2:14 PM EDTSpecial Weather StatementMLBOrange46 min
Aug 2, 2:22 PM EDTSpecial Weather StatementMLBVolusia38 min
Aug 2, 2:24 PM EDTAreal Flood AdvisoryMLBVolusia111 min
Aug 2, 2:30 PM EDTSevere Thunderstorm WarningMLBOrange17 min
Aug 2, 2:53 PM EDTAreal Flood AdvisoryMLBOrange112 min
Aug 2, 3:01 PM EDTSevere Thunderstorm WarningMLBOsceola48 min
Aug 2, 3:02 PM EDTSpecial Marine WarningMLB88 min
Aug 2, 3:14 PM EDTSpecial Marine WarningMLB2 hr
Aug 2, 3:14 PM EDTSevere Thunderstorm WarningMLBBrevard, Orange, Osceola46 min
Aug 2, 3:30 PM EDTSevere Thunderstorm WarningMLBBrevard45 min
Aug 2, 3:49 PM EDTSpecial Weather StatementMLBOrange41 min
Aug 2, 4:44 PM EDTSpecial Marine WarningMLB3 hr
Aug 2, 5:04 PM EDTSpecial Weather StatementMLBMartin56 min
Aug 2, 5:07 PM EDTSpecial Weather StatementMLBIndian River38 min
Aug 2, 6:11 PM EDTSpecial Weather StatementMLBOkeechobee, Saint Lucie94 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.