Alert archive / Florida / Special Weather Statements in 2024

Special Weather Statement, NWS Melbourne, FL

August 9, 2024Martin County, Florida

NWS Melbourne, FL issued this special weather statement at Aug 9, 2024, 2:17 PM EDT for Martin County, Florida. It was in force for 28 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 9, 2024, 2:17 PM EDT (18:17 UTC)
Expired
Aug 9, 2024, 2:45 PM EDT
In force
28 min
Issued by
NWS Melbourne, FL
Hail
0.00 in
Wind
40

County Martin County, FL

The radar

The Melbourne radar (KMLB), 132 km from the middle of the area, began a volume at 18:19 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, 6.3 hours before the alert went out and 165 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 2024-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 552 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2024-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
552 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
-25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 9, 2:14 PM EDT, 3 minutes earlier.

Area forecast discussion, Aug 9, 2:14 PM EDT, 3 minutes before
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Hazardous weather outlook, Aug 9, 4:41 AM EDT, 9 hours 36 minutes before
Hazardous Weather Outlook
National Weather Service Melbourne FL
441 AM EDT Fri Aug 9 2024

AMZ550-552-555-570-572-575-FLZ041-044>046-053-058-141-144-154-159-
164-247-254-259-264-347-447-547-647-747-092045-
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-
441 AM EDT Fri Aug 9 2024

This Hazardous Weather Outlook is for east central Florida.

.DAY ONE...Today and tonight.

.THUNDERSTORM IMPACT...
Scattered showers and isolated lightning storms are forecast
across east central Florida this afternoon. A stronger storm which
develops will be capable of occasional to frequent lightning
strikes, gusty winds, and locally heavy rainfall.

.EXCESSIVE HEAT IMPACT...
High temperatures in the low to mid 90s combined with muggy
conditions will promote peak heat index values between 105-109
degrees. A Heat Advisory is in effect for all of east central
Florida today. If spending time outside, drink plenty of fluids
and take frequent breaks in the shade or in an air conditioned
building. Know the signs of heat stress!

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Unusually hot and, at times, dangerous temperatures will persist
into the weekend. A Moderate to Major Heat Risk is expected.

A more typical summertime pattern will promote at least scattered
showers and storms this weekend into next week. Brief gusty winds
and frequent lightning strikes will accompany the strongest
storms.

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

Law

In the hours before

Special weather statement, Aug 9, 2:17 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Melbourne FL
217 PM EDT Fri Aug 9 2024

FLZ164-264-091845-
Inland Martin FL-Coastal Martin FL-
217 PM EDT Fri Aug 9 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN MARTIN COUNTY
THROUGH 245 PM EDT...

At 217 PM EDT, Doppler radar was tracking a strong thunderstorm near
Jonathan Dickinson State Park, or near Jupiter Island, moving east at
20 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...
Tequesta, Jupiter Island, Hobe Sound, Port Salerno, and Hobe Sound
Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 2697 8008 2697 8014 2696 8014 2696 8026
      2706 8030 2720 8013 2703 8008
TIME...MOT...LOC 1817Z 249DEG 17KT 2701 8019

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

Fehling

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 12:05 AM EDTAreal Flood AdvisoryMLBOrange55 min
Aug 9, 2:33 AM EDTHeat AdvisoryMLBBrevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more15 hr
Aug 9, 11:36 AM EDTSpecial Marine WarningMLB54 min
Aug 9, 2:01 PM EDTSpecial Marine WarningMLB59 min
Aug 9, 2:51 PM EDTSpecial Marine WarningMLB54 min
Aug 9, 3:22 PM EDTSpecial Marine WarningMLB53 min
Aug 9, 3:40 PM EDTSpecial Weather StatementMLBIndian River35 min
Aug 9, 3:41 PM EDTSpecial Marine WarningMLB64 min
Aug 9, 4:39 PM EDTSpecial Weather StatementMLBIndian River36 min
Aug 9, 4:50 PM EDTSpecial Weather StatementMLBOrange25 min

Nearby

Special Weather Statements in Florida, 2024Every 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.