Alert archive / Florida / Special Weather Statements in 2023

Special Weather Statement, NWS Melbourne, FL

March 13, 2023Brevard County, Florida

NWS Melbourne, FL issued this special weather statement at Mar 13, 2023, 4:11 PM EDT for Brevard County, Florida. It was in force for 34 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
Mar 13, 2023, 4:11 PM EDT (20:11 UTC)
Expired
Mar 13, 2023, 4:45 PM EDT
In force
34 min
Issued by
NWS Melbourne, FL
Hail
0.50 in
Wind
40

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 9 km from the middle of the area, began a volume at 20:10 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, 8.2 hours before the alert went out and 44 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 2023-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 968 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 2023-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 square meters per square second.19395878Sfc1 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
968 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
732 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.9

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 Mar 13, 3:53 PM EDT, 18 minutes earlier.

Area forecast discussion, Mar 13, 3:53 PM EDT, 18 minutes before
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Hazardous weather outlook, Mar 13, 10:41 AM EDT, 5 hours 30 minutes before
Hazardous Weather Outlook
National Weather Service Melbourne FL
1041 AM EDT Mon Mar 13 2023

AMZ550-552-555-570-572-575-FLZ041-044>046-053-058-141-144-154-159-
164-247-254-259-264-347-447-547-647-747-140300-
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-
1041 AM EDT Mon Mar 13 2023

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
Scattered to numerous rain showers and scattered lightning storms
expected today in association with a strong cold front that will
sweep through east central Florida today. Some strong to
marginally severe storms are forecast. The main threats will be
strong to damaging wind gusts of 40 to 60 mph, hail of 1 inch in
diameter, locally heavy rainfall that could lead to localized
flooding of low lying or urban areas, and occasional to frequent
strikes. A tornado or two can not be ruled out, especially along
and north of the I-4 corridor.

.MARINE THUNDERSTORM GUST IMPACT...
Scattered lightning storms are expected to move southward across
the area today, and will be capable of producing wind gusts of 35
knots or greater on inland lakes, the Intracoastal Waterway, and
adjacent Atlantic waters

.WIND AND SEA IMPACT...
North winds around 20 kts behind the front will cause seas to become
hazardous across the offshore waters this evening with seas
increasing to 7 ft. Conditions will be poor across all the waters
today. The near shore waters will remain poor tonight, with the
nearshore waters of the Treasure coast becoming hazardous late
tonight.

.RIP CURRENT IMPACT...
A high risk of life threatening rip currents remains at east
central Florida beaches. Entering the water is not advised.

.WATERSPOUT IMPACT...
Conditions will be marginally favorable for the development of
waterspouts generally from Melbourne northward.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
The risk for life threatening rip currents is expected to remain
high at area beaches Tuesday and into early next week.

Hazardous boating conditions will continue into Tuesday as seas of
7 to 8 feet build across the Gulf stream.

.SPOTTER INFORMATION STATEMENT...
Spotters should monitor the weather and self activate if needed.

Law/Watson

In the hours before

Special weather statement, Mar 13, 2:35 PM EDT, 1 hour 36 minutes before
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Local storm report, Mar 13, 2:43 PM EDT, 1 hour 28 minutes before
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Special weather statement, Mar 13, 2:49 PM EDT, 1 hour 22 minutes before
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Local storm report, Mar 13, 3:47 PM EDT, 24 minutes before
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Special weather statement, Mar 13, 3:50 PM EDT, 21 minutes before
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Special weather statement, Mar 13, 4:11 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 3:45 AM EDTSmall Craft AdvisoryMLB3 days
Mar 13, 4:32 AM EDTSpecial Weather StatementMLBFlagler43 min
Mar 13, 4:55 AM EDTSpecial Weather StatementMLBFlagler35 min
Mar 13, 5:01 AM EDTSpecial Marine WarningMLB89 min
Mar 13, 5:30 AM EDTSpecial Weather StatementMLBVolusia45 min
Mar 13, 5:38 AM EDTSevere Thunderstorm WarningMLBVolusia37 min
Mar 13, 5:58 AM EDTSpecial Marine WarningMLB62 min
Mar 13, 6:14 AM EDTSpecial Weather StatementMLBVolusia31 min
Mar 13, 6:38 AM EDTSpecial Weather StatementMLBOsceola37 min
Mar 13, 7:16 AM EDTSpecial Weather StatementMLBOsceola44 min
Mar 13, 11:10 AM EDTSpecial Weather StatementMLBVolusia35 min
Mar 13, 11:32 AM EDTSpecial Marine WarningMLB116 min
Mar 13, 11:43 AM EDTSpecial Weather StatementMLBLake, Volusia47 min
Mar 13, 11:51 AM EDTSevere Thunderstorm WarningMLBVolusia39 min
Mar 13, 12:07 PM EDTSpecial Marine WarningMLB3 hr
Mar 13, 12:16 PM EDTSpecial Weather StatementMLBSeminole44 min
Mar 13, 12:17 PM EDTSpecial Weather StatementMLBBrevard43 min
Mar 13, 12:40 PM EDTSevere Thunderstorm WarningMLBBrevard20 min
Mar 13, 2:19 PM EDTSpecial Marine WarningMLB3 hr
Mar 13, 2:21 PM EDTSpecial Weather StatementMLBBrevard24 min
Mar 13, 2:35 PM EDTSpecial Weather StatementMLBOsceola40 min
Mar 13, 2:49 PM EDTSpecial Weather StatementMLBIndian River41 min
Mar 13, 3:50 PM EDTSpecial Weather StatementMLBOsceola40 min
Mar 13, 4:14 PM EDTSpecial Marine WarningMLB76 min
Mar 13, 4:18 PM EDTSpecial Marine WarningMLB117 min
Mar 13, 5:02 PM EDTSpecial Weather StatementMLBMartin43 min
Mar 13, 6:53 PM EDTSpecial Weather StatementMLBIndian River37 min

Nearby

Special Weather Statements in Florida, 2023Every 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.