Alert archive / Florida / Special Weather Statements in 2023

Special Weather Statement, NWS Melbourne, FL

June 19, 2023Okeechobee County, Saint Lucie County, Florida

NWS Melbourne, FL issued this special weather statement at Jun 19, 2023, 11:24 PM EDT for Okeechobee County, Saint Lucie County, Florida. It was in force for 51 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
Jun 19, 2023, 11:24 PM EDT (03:24 UTC)
Expired
Jun 20, 2023, 12:15 AM EDT
In force
51 min
Issued by
NWS Melbourne, FL
Hail
0.00 in
Wind
40

Counties Okeechobee County, FL, Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 97 km from the middle of the area, began a volume at 03:26 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 00:00Z, 3.4 hours before the alert went out and 138 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 00:00Z on 2023-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2961 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 00:00Z on 2023-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.193958Sfc1 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
2961 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
927 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
1.3
Supercell composite
10.9

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 Jun 19, 10:10 PM EDT, 1 hour 14 minutes earlier.

Area forecast discussion, Jun 19, 10:10 PM EDT, 1 hour 14 minutes before
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Hazardous weather outlook, Jun 19, 7:25 PM EDT, 3 hours 59 minutes before
Hazardous Weather Outlook
National Weather Service Melbourne FL
725 PM EDT Mon Jun 19 2023

AMZ550-552-555-570-572-575-FLZ041-044>046-053-058-141-144-154-159-
164-247-254-259-264-347-447-547-647-747-201130-
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-
725 PM EDT Mon Jun 19 2023

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TONIGHT.

.THUNDERSTORM AND MARINE THUNDERSTORM IMPACT...
Through this evening, showers and lightning storms are expected
across East Central Florida. Some storms will be strong with
gusty winds from 40 to 50 mph. There is a small a few storms could
turn severe with gusts to around 60 mph. There remains a very low
chance for a tornado or waterspout to develop along any outflow
boundaries. Frequent lightning and small hail are likely in the
most intense storms.

Thunderstorm coverage should decrease after midnight tonight.

.FLOOD IMPACT...
Locally heavy rain may accumulate 1 to 2 inches in a short period
of time. Locally high accumulations up to 4 inches will be possible,
which will lead to ponding of water on roads, and minor flooding
of low lying and poor drainage areas, especially where heavy rains
have already fallen.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
Above normal rain chances will continue through the week.
Scattered to numerous lightning storms each afternoon will be
capable of producing gusty winds, small hail, frequent lightning,
and torrential downpours. A few storms will become strong to
marginally severe.

The combination of afternoon high temperatures in the lower 90s
and humidity will produce peak heat indices up to 106 through Wednesday,
mainly in Okeechobee and the Treasure Coast counties.

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

Heil

In the hours before

Local storm report, Jun 19, 10:50 PM EDT, 34 minutes before
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Special weather statement, Jun 19, 10:56 PM EDT, 28 minutes before
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Local storm report, Jun 19, 11:11 PM EDT, 13 minutes before
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Local storm report, Jun 19, 11:14 PM EDT, 10 minutes before
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Local storm report, Jun 19, 11:20 PM EDT, 4 minutes before
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Special weather statement, Jun 19, 11:24 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
Jun 19, 8:04 PM EDTSevere Thunderstorm WarningMLBBrevard41 min
Jun 19, 8:18 PM EDTSpecial Weather StatementMLBOrange, Seminole27 min
Jun 19, 8:25 PM EDTSevere Thunderstorm WarningMLBIndian River50 min
Jun 19, 8:44 PM EDTSevere Thunderstorm WarningMLBBrevard, Orange, Seminole, Volusia31 min
Jun 19, 8:51 PM EDTSevere Thunderstorm Warning Considerable damage threatMLBOsceola39 min
Jun 19, 8:55 PM EDTSpecial Weather StatementMLBVolusia35 min
Jun 19, 8:57 PM EDTSpecial Marine WarningMLB93 min
Jun 19, 9:03 PM EDTSevere Thunderstorm WarningMLBBrevard, Orange, Volusia57 min
Jun 19, 9:11 PM EDTSevere Thunderstorm Warning Considerable damage threatMLBBrevard, Orange, Osceola49 min
Jun 19, 9:13 PM EDTSpecial Weather StatementMLBIndian River47 min
Jun 19, 9:42 PM EDTSevere Thunderstorm Warning Considerable damage threatMLBBrevard48 min
Jun 19, 10:00 PM EDTSevere Thunderstorm WarningMLBBrevard, Indian River, Okeechobee, Osceola, Saint Lucie45 min
Jun 19, 10:25 PM EDTSpecial Weather StatementMLBIndian River, Saint Lucie35 min
Jun 19, 10:26 PM EDTSpecial Marine WarningMLB94 min
Jun 19, 10:34 PM EDTSpecial Weather StatementMLBIndian River26 min
Jun 19, 10:47 PM EDTSpecial Weather StatementMLBOkeechobee43 min
Jun 19, 10:56 PM EDTSpecial Weather StatementMLBIndian River, Saint Lucie34 min
Jun 19, 10:59 PM EDTAreal Flood AdvisoryMLBIndian River, Okeechobee, Osceola, Saint Lucie3 hr
Jun 19, 11:57 PM EDTSpecial Marine WarningMLB93 min
Jun 20, 10:52 AM EDTSpecial Weather StatementMLBFlagler23 min
Jun 20, 11:45 AM EDTSpecial Weather StatementMLBLake30 min
Jun 20, 12:17 PM EDTSpecial Weather StatementMLBVolusia28 min
Jun 20, 12:26 PM EDTSpecial Weather StatementMLBOsceola34 min
Jun 20, 12:44 PM EDTSevere Thunderstorm WarningMLBOrange, Osceola31 min
Jun 20, 12:46 PM EDTSevere Thunderstorm WarningMLBOsceola29 min
Jun 20, 12:51 PM EDTSpecial Weather StatementMLBVolusia24 min
Jun 20, 12:54 PM EDTSpecial Marine WarningMLB3 hr
Jun 20, 1:02 PM EDTSpecial Weather StatementMLBSeminole43 min
Jun 20, 1:03 PM EDTSevere Thunderstorm WarningMLBBrevard, Osceola42 min
Jun 20, 1:07 PM EDTSpecial Weather StatementMLBBrevard23 min
Jun 20, 1:16 PM EDTSevere Thunderstorm WarningMLBBrevard, Orange, Osceola, Seminole, Volusia44 min
Jun 20, 1:28 PM EDTSpecial Weather StatementMLBIndian River32 min
Jun 20, 1:56 PM EDTSpecial Weather StatementMLBIndian River, Okeechobee34 min
Jun 20, 2:11 PM EDTSpecial Marine WarningMLB3 hr
Jun 20, 2:16 PM EDTSpecial Weather StatementMLBLake29 min
Jun 20, 2:26 PM EDTSpecial Weather StatementMLBIndian River, Okeechobee, Saint Lucie34 min
Jun 20, 2:45 PM EDTSpecial Weather StatementMLBOrange30 min
Jun 20, 2:52 PM EDTSevere Thunderstorm WarningMLBOrange, Osceola23 min
Jun 20, 2:55 PM EDTSpecial Weather StatementMLBMartin, Okeechobee, Saint Lucie50 min
Jun 20, 3:15 PM EDTSpecial Weather StatementMLBOrange, Seminole30 min
Jun 20, 3:22 PM EDTSpecial Weather StatementMLBVolusia53 min
Jun 20, 3:29 PM EDTSpecial Weather StatementMLBLake46 min
Jun 20, 3:40 PM EDTSpecial Weather StatementMLBOrange35 min
Jun 20, 3:45 PM EDTSpecial Weather StatementMLBMartin45 min
Jun 20, 3:53 PM EDTSpecial Marine WarningMLB67 min
Jun 20, 3:53 PM EDTSpecial Weather StatementMLBOkeechobee52 min
Jun 20, 3:55 PM EDTSpecial Weather StatementMLBBrevard35 min
Jun 20, 4:16 PM EDTSpecial Weather StatementMLBOrange29 min
Jun 20, 6:11 PM EDTSpecial Weather StatementMLBOkeechobee34 min
Jun 20, 6:14 PM EDTSpecial Weather StatementMLBOrange31 min
Jun 20, 6:46 PM EDTSpecial Weather StatementMLBIndian River44 min
Jun 20, 7:08 PM EDTSpecial Marine WarningMLB97 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.