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, 3:49 PM EDT for Orange County, Florida. It was in force for 41 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: Aug 2, 2021, 3:49 PM EDT (19:49 UTC)
Expired: Aug 2, 2021, 4:30 PM EDT
In force: 41 min
Issued by: NWS Melbourne, FL

County Orange County, FL

The radar

The Melbourne radar (KMLB), 75 km from the middle of the area, began a volume at 19:50 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 97 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

213 
WWUS82 KMLB 021949
SPSMLB

Special Weather Statement
National Weather Service Melbourne FL
349 PM EDT Mon Aug 2 2021
 
FLZ045-053-022030-
Osceola FL-Orange FL-
349 PM EDT Mon Aug 2 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN ORANGE AND
NORTHWESTERN OSCEOLA COUNTIES UNTIL 430 PM EDT...

At 348 PM EDT, Doppler radar was tracking a strong thunderstorm over
Intercession City, moving northeast at 20 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Kissimmee, Saint Cloud, Bay Lake and Celebration. 

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 2847 8126 2818 8125 2799 8138 2800 8139
      2800 8141 2804 8146 2806 8146 2806 8144
      2802 8139 2801 8138 2807 8137 2807 8135
      2808 8135 2809 8145 2814 8146 2814 8152
      2820 8152 2826 8156 2826 8160 2838 8161
TIME...MOT...LOC 1948Z 221DEG 17KT 2828 8154 

$$

Kelly

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 8:32 PM EDT	Special Marine Warning	MLB		58 min
Aug 1, 9:24 PM EDT	Special Weather Statement	MLB	Brevard	66 min
Aug 1, 9:30 PM EDT	Special Marine Warning	MLB		2 hr
Aug 2, 12:40 PM EDT	Special Weather Statement	MLB	Seminole	50 min
Aug 2, 12:44 PM EDT	Special Marine Warning	MLB		61 min
Aug 2, 1:23 PM EDT	Special Weather Statement	MLB	Lake	52 min
Aug 2, 2:07 PM EDT	Special Marine Warning	MLB		53 min
Aug 2, 2:14 PM EDT	Special Weather Statement	MLB	Orange	46 min
Aug 2, 2:22 PM EDT	Special Weather Statement	MLB	Volusia	38 min
Aug 2, 2:24 PM EDT	Areal Flood Advisory	MLB	Volusia	111 min
Aug 2, 2:30 PM EDT	Severe Thunderstorm Warning	MLB	Orange	17 min
Aug 2, 2:53 PM EDT	Areal Flood Advisory	MLB	Orange	112 min
Aug 2, 2:53 PM EDT	Special Weather Statement	MLB	Osceola	52 min
Aug 2, 3:01 PM EDT	Severe Thunderstorm Warning	MLB	Osceola	48 min
Aug 2, 3:02 PM EDT	Special Marine Warning	MLB		88 min
Aug 2, 3:14 PM EDT	Special Marine Warning	MLB		2 hr
Aug 2, 3:14 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange, Osceola	46 min
Aug 2, 3:30 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	45 min
Aug 2, 4:44 PM EDT	Special Marine Warning	MLB		3 hr
Aug 2, 5:04 PM EDT	Special Weather Statement	MLB	Martin	56 min
Aug 2, 5:07 PM EDT	Special Weather Statement	MLB	Indian River	38 min
Aug 2, 6:11 PM EDT	Special Weather Statement	MLB	Okeechobee, Saint Lucie	94 min

Nearby

Special Weather Statements in Florida, 2021 Every 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.