Alert archive / Florida / Special Weather Statements in 2023

Special Weather Statement, NWS Melbourne, FL

August 6, 2023Indian River County, Florida

NWS Melbourne, FL issued this special weather statement at Aug 6, 2023, 6:21 PM EDT for Indian River County, Florida. It was in force for 24 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 6, 2023, 6:21 PM EDT (22:21 UTC)
Expired: Aug 6, 2023, 6:45 PM EDT
In force: 24 min
Issued by: NWS Melbourne, FL
Hail: 0.00 in
Wind: 40

County Indian River County, FL

The radar

The Melbourne radar (KMLB), 60 km from the middle of the area, began a volume at 22:22 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, 10.4 hours before the alert went out and 102 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: 528 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1148 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

032 
WWUS82 KMLB 062221
SPSMLB

Special Weather Statement
National Weather Service Melbourne FL
621 PM EDT Sun Aug 6 2023
 
FLZ058-254-259-062245-
Okeechobee FL-Inland St. Lucie FL-Inland Indian River FL-
621 PM EDT Sun Aug 6 2023

...A strong thunderstorm will impact portions of northwestern St.
Lucie, northeastern Okeechobee and southwestern Indian River Counties
through 645 PM EDT...

At 620 PM EDT, Doppler radar was tracking a strong thunderstorm 7
miles northeast of Fort Drum, moving east at 15 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Fellsmere and Fort Drum. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 2749 8081 2768 8084 2774 8056 2748 8054
TIME...MOT...LOC 2220Z 261DEG 11KT 2758 8070 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

Heil

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 2:45 AM EDT	Heat Advisory	MLB	Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more	16 hr
Aug 6, 1:44 PM EDT	Special Weather Statement	MLB	Orange	46 min
Aug 6, 2:55 PM EDT	Special Marine Warning	MLB		95 min
Aug 6, 2:59 PM EDT	Special Weather Statement	MLB	Seminole	46 min
Aug 6, 5:41 PM EDT	Special Weather Statement	MLB	Saint Lucie	34 min
Aug 6, 6:27 PM EDT	Special Weather Statement	MLB	Indian River	33 min
Aug 6, 6:49 PM EDT	Special Weather Statement	MLB	Saint Lucie	26 min

Nearby

Special Weather Statements in Florida, 2023 Every special weather statement in 2023

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.