Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Melbourne, FL

August 2, 2021Orange County, Florida

NWS Melbourne, FL issued this special weather statement at Aug 2, 2021, 2:14 PM EDT for Orange County, Florida. It was in force for 46 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, 2:14 PM EDT (18:14 UTC)
Expired
Aug 2, 2021, 3:00 PM EDT
In force
46 min
Issued by
NWS Melbourne, FL

County Orange County, FL

The radar

The Melbourne radar (KMLB), 72 km from the middle of the area, began a volume at 18:18 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, 2:17 PM EDTTSTM WND GST 40Orlando International A, FLORLANDO INTERNATIONAL AIRPORT ASOS REPORTED A WIND GUST OF 40 MPH/35 KT FROM THE WNW.

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, 6.2 hours before the alert went out and 82 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.

906 
WWUS82 KMLB 021814
SPSMLB

Special Weather Statement
National Weather Service Melbourne FL
214 PM EDT Mon Aug 2 2021
 
FLZ045-053-021900-
Osceola FL-Orange FL-
214 PM EDT Mon Aug 2 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL ORANGE AND NORTH
CENTRAL OSCEOLA COUNTIES UNTIL 300 PM EDT...

At 214 PM EDT, Doppler radar was tracking a strong thunderstorm near
Buena Ventura Lakes, moving east at 15 mph.

Winds in excess of 45 mph will be possible with this storm.

Locations impacted include...
Orlando, Kissimmee, Wedgefield, Buena Ventura Lakes and East Lake
Toho.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to 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 2827 8145 2847 8147 2851 8113 2829 8114
TIME...MOT...LOC 1814Z 271DEG 12KT 2838 8136 

$$

KN

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, 2:22 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, 2:53 PM EDTSpecial Weather StatementMLBOsceola52 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.