Alert archive / Florida / Special Weather Statements in 2024

Special Weather Statement, NWS Melbourne, FL

August 6, 2024Saint Lucie County, Florida

NWS Melbourne, FL issued this special weather statement at Aug 6, 2024, 11:29 AM EDT for Saint Lucie County, Florida. It was in force for 31 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, 2024, 11:29 AM EDT (15:29 UTC)
Expired: Aug 6, 2024, 12:00 PM EDT
In force: 31 min
Issued by: NWS Melbourne, FL
Hail: 0.00 in
Wind: 40

County Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 85 km from the middle of the area, began a volume at 15:32 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, 3.5 hours before the alert went out and 124 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: 689 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 865 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 191 m²/s²
0-3 km storm-relative helicity: 220 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 7.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Melbourne, FL wrote its last area forecast discussion before this special weather statement went out at Aug 6, 10:52 AM EDT, 37 minutes earlier.

Area forecast discussion, Aug 6, 10:52 AM EDT, 37 minutes before

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Hazardous weather outlook, Aug 6, 4:15 AM EDT, 7 hours 14 minutes before

Hazardous Weather Outlook
National Weather Service Melbourne FL
415 AM EDT Tue Aug 6 2024

AMZ550-552-555-570-572-575-FLZ041-044>046-053-058-141-144-154-159-
164-247-254-259-264-347-447-547-647-747-062015-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-Volusia-
Brevard County Line to Sebastian Inlet 0-20 nm-
Sebastian Inlet to Jupiter Inlet 0-20 nm-Flagler Beach to Volusia-
Brevard County Line 20-60 nm-Volusia-
Brevard County Line to Sebastian Inlet 20-60 nm-
Sebastian Inlet to Jupiter Inlet 20-60 nm-Inland Volusia-
Northern Lake-Orange-Seminole-Osceola-Okeechobee-Coastal Volusia-
Southern Lake-Coastal Indian River-Coastal Saint Lucie-
Coastal Martin-Inland Northern Brevard-Inland Indian River-
Inland Saint Lucie-Inland Martin-Mainland Northern Brevard-
Northern Brevard Barrier Islands-Inland Southern Brevard-
Mainland Southern Brevard-Southern Brevard Barrier Islands-
415 AM EDT Tue Aug 6 2024

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
Scattered lightning storms are forecast today. These will produce
occasional to frequent lightning, gusty winds from 35 to 45 mph,
and locally heavy rain. There is a Marginal Risk that repeated
storms will cause excessive rainfall of 2 to 4 inches on an
isolated basis. This could lead to localized flooding of urban
and poor drainage areas.

.HIGH WIND IMPACT...
As Tropical Storm Debby remains to the north of our local area,
southwest wind gusts from 25 to 35 mph are forecast today. Keep
loose, lightweight items secured.

.EXCESSIVE HEAT IMPACT...
We will turn hotter this afternoon, with low 90s forecast. Heat
index readings should top out from 100 to 107 degrees. Stay
hydrated, and seek breaks in the shade or air conditioning if you
begin to feel unwell.

.RIP CURRENT AND SURF IMPACT...
There is a Moderate Risk of life-threatening rip currents at
Atlantic beaches. Remember to always swim in front of a lifeguard,
and never swim alone.

.WIND AND SEA IMPACT...
Strong offshore winds from 20 to 30 knots will only slowly subside
today, particularly offshore. A Small Craft Advisory remains in
effect for the entire local Atlantic until this afternoon. By this
evening, the Small Craft Advisory will continue over the offshore
waters and nearshore Volusia County.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
Even hotter temperatures are forecast from mid to late this week
as rain chances decrease. Highs in the mid 90s, combined with
seasonably high humidity, will result in heat indices from 102 to
107 on Wednesday, then 105 to 110 on Thursday and Friday. This
Major Heat Risk affects anyone without adequate access to cooling.

While storm chances lessen from Wednesday into Thursday, any
strong storm that develops will produce gusty winds to 45 mph and
frequent lightning.

A Moderate Risk of rip currents will continue at our beaches on
Wednesday.

Boating conditions will improve nearshore first, then offshore
later this week as winds slowly subside.

.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.

Heil

In the hours before

Special weather statement, Aug 6, 6:37 AM EDT, 4 hours 52 minutes before

Special Weather Statement
National Weather Service Melbourne FL
637 AM EDT Tue Aug 6 2024

FLZ041-045-046-141-247-347-061100-
Coastal Volusia FL-Orange FL-Seminole FL-Inland Volusia FL-
Mainland Northern Brevard FL-Inland Northern Brevard FL-
637 AM EDT Tue Aug 6 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTHERN SEMINOLE...NORTHWESTERN
BREVARD...ORANGE AND SOUTHEASTERN VOLUSIA COUNTIES THROUGH 700 AM
EDT...

At 636 AM EDT, Doppler radar was tracking a strong thunderstorm over
Avalon Park, moving northeast at 40 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Orlando, Titusville, Altamonte Springs, Ocoee, and Winter Garden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Conditions are favorable for the development of weak, brief funnel
clouds. On rare occasions they can briefly touch down, producing wind
gusts over 50 mph. If a funnel cloud is spotted move indoors and
report your sighting to the National Weather Service.

&&

LAT...LON 2855 8166 2884 8085 2844 8078 2835 8157
      2835 8162 2854 8166
TIME...MOT...LOC 1036Z 247DEG 33KT 2854 8118

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

Heil

Special weather statement, Aug 6, 7:00 AM EDT, 4 hours 29 minutes before

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Special weather statement, Aug 6, 7:02 AM EDT, 4 hours 27 minutes before

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Special weather statement, Aug 6, 7:24 AM EDT, 4 hours 5 minutes before

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Special weather statement, Aug 6, 11:29 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service Melbourne FL
1129 AM EDT Tue Aug 6 2024

FLZ058-154-159-164-254-259-264-061600-
Okeechobee FL-Coastal St. Lucie FL-Inland St. Lucie FL-
Inland Indian River FL-Inland Martin FL-Coastal Indian River FL-
Coastal Martin FL-
1129 AM EDT Tue Aug 6 2024

...A STRONG THUNDERSTORM WILL IMPACT ST. LUCIE...EASTERN
OKEECHOBEE...SOUTHEASTERN INDIAN RIVER AND NORTHERN MARTIN COUNTIES
THROUGH NOON EDT...

At 1129 AM EDT, Doppler radar was tracking a strong thunderstorm 12
miles southeast of Fort Drum, moving east at 35 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Port Saint Lucie, Walton, Fort Pierce, Stuart, and Vero Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Conditions are favorable for the development of weak, brief funnel
clouds. On rare occasions they can briefly touch down, producing wind
gusts over 50 mph. If a funnel cloud is spotted move indoors and
report your sighting to the National Weather Service.

&&

LAT...LON 2722 8086 2740 8071 2758 8078 2772 8035
      2721 8013 2715 8012
TIME...MOT...LOC 1529Z 252DEG 30KT 2743 8062

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

Tollefsen

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 11:47 PM EDT	Special Weather Statement	MLB	Orange	28 min
Aug 6, 6:37 AM EDT	Special Weather Statement	MLB	Orange, Seminole	23 min
Aug 6, 6:44 AM EDT	Tornado Warning	MLB	Brevard, Orange, Seminole	16 min
Aug 6, 7:00 AM EDT	Special Weather Statement	MLB	Brevard	30 min
Aug 6, 7:02 AM EDT	Special Weather Statement	MLB	Orange, Seminole	28 min
Aug 6, 7:24 AM EDT	Special Weather Statement	MLB	Seminole	36 min
Aug 6, 12:03 PM EDT	Special Marine Warning	MLB		57 min
Aug 6, 12:05 PM EDT	Special Weather Statement	MLB	Martin, Saint Lucie	40 min
Aug 6, 12:34 PM EDT	Special Marine Warning	MLB		26 min
Aug 6, 1:22 PM EDT	Special Weather Statement	MLB	Martin, Saint Lucie	38 min
Aug 6, 1:56 PM EDT	Special Weather Statement	MLB	Martin	34 min
Aug 6, 4:00 PM EDT	Special Marine Warning	MLB		60 min
Aug 6, 4:02 PM EDT	Special Weather Statement	MLB	Saint Lucie	43 min
Aug 6, 4:32 PM EDT	Special Marine Warning	MLB		58 min
Aug 6, 6:19 PM EDT	Special Weather Statement	MLB	Flagler	26 min

Nearby

Special Weather Statements in Florida, 2024 Every special weather statement in 2024

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.