Alert archive / Florida / Special Weather Statements in 2023

Special Weather Statement, NWS Melbourne, FL

June 20, 2023Orange County, Florida

NWS Melbourne, FL issued this special weather statement at Jun 20, 2023, 4:16 PM EDT for Orange County, Florida. It was in force for 29 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 20, 2023, 4:16 PM EDT (20:16 UTC)
Expired: Jun 20, 2023, 4:45 PM EDT
In force: 29 min
Issued by: NWS Melbourne, FL
Hail: 0.00 in
Wind: 40

County Orange County, FL

The radar

The Melbourne radar (KMLB), 96 km from the middle of the area, began a volume at 20:16 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, 8.3 hours before the alert went out and 95 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: 852 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 934 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: 11 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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 20, 2:54 PM EDT, 1 hour 22 minutes earlier.

Area forecast discussion, Jun 20, 2:54 PM EDT, 1 hour 22 minutes before

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Hazardous weather outlook, Jun 20, 10:06 AM EDT, 6 hours 10 minutes before

Hazardous Weather Outlook
National Weather Service Melbourne FL
1006 AM EDT Tue Jun 20 2023

AMZ550-552-555-570-572-575-FLZ041-044>046-053-058-141-144-154-159-
164-247-254-259-264-347-447-547-647-747-210300-
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-
1006 AM EDT Tue Jun 20 2023

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
Scattered to numerous showers and lightning storms into the
afternoon and through the late evening. Strong to marginally
severe storms will be possible and capable of wind gusts up to 50
to 60 mph, frequent to excessive cloud to ground lightning strikes,
hail up to 1 inch, and heavy rainfall. In addition, a brief
tornado along boundary interactions can't be ruled out.

.FLOOD IMPACT...
Locally heavy rainfall will have the potential to 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.

.EXCESSIVE HEAT IMPACT...
The combination of hot afternoon temperatures in the low to mid 90s
and high humidity will lead to peak Heat Indices between 101 and
106 degrees this afternoon. Persons engaged in outdoor activities
should remain well hydrated and take indoor rest breaks in an air
conditioned location, if available. NEVER leave children or pets
unattended in a car for any amount of time.

.MARINE THUNDERSTORM GUST IMPACT...
Wind gusts of 35 knots or greater will be possible over inland
lakes, the Intracoastal Waterway, and Atlantic waters, as
lightning storms move southeastward at around 15 knots. Boaters
across the Intracoastal and near shore Atlantic waters should
watch for storms approaching from the north and west, and seek
safe shelter well in advance as storms.

.WIND AND SEA IMPACT...
Southwest to south winds will increase to 15 to 20 kts across the
local Atlantic waters this afternoon. Small craft should exercise
caution.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
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 heavy rainfall. 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.

Fehling

In the hours before

Special weather statement, Jun 20, 3:40 PM EDT, 36 minutes before

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Special weather statement, Jun 20, 3:45 PM EDT, 31 minutes before

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Local storm report, Jun 20, 3:47 PM EDT, 29 minutes before

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Special weather statement, Jun 20, 3:53 PM EDT, 23 minutes before

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Special weather statement, Jun 20, 3:55 PM EDT, 21 minutes before

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Special weather statement, Jun 20, 4:16 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 8:04 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	41 min
Jun 19, 8:18 PM EDT	Special Weather Statement	MLB	Orange, Seminole	27 min
Jun 19, 8:25 PM EDT	Severe Thunderstorm Warning	MLB	Indian River	50 min
Jun 19, 8:44 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange, Seminole, Volusia	31 min
Jun 19, 8:51 PM EDT	Severe Thunderstorm Warning Considerable damage threat	MLB	Osceola	39 min
Jun 19, 8:55 PM EDT	Special Weather Statement	MLB	Volusia	35 min
Jun 19, 8:57 PM EDT	Special Marine Warning	MLB		93 min
Jun 19, 9:03 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange, Volusia	57 min
Jun 19, 9:11 PM EDT	Severe Thunderstorm Warning Considerable damage threat	MLB	Brevard, Orange, Osceola	49 min
Jun 19, 9:13 PM EDT	Special Weather Statement	MLB	Indian River	47 min
Jun 19, 9:42 PM EDT	Severe Thunderstorm Warning Considerable damage threat	MLB	Brevard	48 min
Jun 19, 10:00 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Indian River, Okeechobee, Osceola, Saint Lucie	45 min
Jun 19, 10:25 PM EDT	Special Weather Statement	MLB	Indian River, Saint Lucie	35 min
Jun 19, 10:26 PM EDT	Special Marine Warning	MLB		94 min
Jun 19, 10:34 PM EDT	Special Weather Statement	MLB	Indian River	26 min
Jun 19, 10:47 PM EDT	Special Weather Statement	MLB	Okeechobee	43 min
Jun 19, 10:56 PM EDT	Special Weather Statement	MLB	Indian River, Saint Lucie	34 min
Jun 19, 10:59 PM EDT	Areal Flood Advisory	MLB	Indian River, Okeechobee, Osceola, Saint Lucie	3 hr
Jun 19, 11:24 PM EDT	Special Weather Statement	MLB	Okeechobee, Saint Lucie	51 min
Jun 19, 11:57 PM EDT	Special Marine Warning	MLB		93 min
Jun 20, 10:52 AM EDT	Special Weather Statement	MLB	Flagler	23 min
Jun 20, 11:45 AM EDT	Special Weather Statement	MLB	Lake	30 min
Jun 20, 12:17 PM EDT	Special Weather Statement	MLB	Volusia	28 min
Jun 20, 12:26 PM EDT	Special Weather Statement	MLB	Osceola	34 min
Jun 20, 12:44 PM EDT	Severe Thunderstorm Warning	MLB	Orange, Osceola	31 min
Jun 20, 12:46 PM EDT	Severe Thunderstorm Warning	MLB	Osceola	29 min
Jun 20, 12:51 PM EDT	Special Weather Statement	MLB	Volusia	24 min
Jun 20, 12:54 PM EDT	Special Marine Warning	MLB		3 hr
Jun 20, 1:02 PM EDT	Special Weather Statement	MLB	Seminole	43 min
Jun 20, 1:03 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Osceola	42 min
Jun 20, 1:07 PM EDT	Special Weather Statement	MLB	Brevard	23 min
Jun 20, 1:16 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange, Osceola, Seminole, Volusia	44 min
Jun 20, 1:28 PM EDT	Special Weather Statement	MLB	Indian River	32 min
Jun 20, 1:56 PM EDT	Special Weather Statement	MLB	Indian River, Okeechobee	34 min
Jun 20, 2:11 PM EDT	Special Marine Warning	MLB		3 hr
Jun 20, 2:16 PM EDT	Special Weather Statement	MLB	Lake	29 min
Jun 20, 2:26 PM EDT	Special Weather Statement	MLB	Indian River, Okeechobee, Saint Lucie	34 min
Jun 20, 2:45 PM EDT	Special Weather Statement	MLB	Orange	30 min
Jun 20, 2:52 PM EDT	Severe Thunderstorm Warning	MLB	Orange, Osceola	23 min
Jun 20, 2:55 PM EDT	Special Weather Statement	MLB	Martin, Okeechobee, Saint Lucie	50 min
Jun 20, 3:15 PM EDT	Special Weather Statement	MLB	Orange, Seminole	30 min
Jun 20, 3:22 PM EDT	Special Weather Statement	MLB	Volusia	53 min
Jun 20, 3:29 PM EDT	Special Weather Statement	MLB	Lake	46 min
Jun 20, 3:40 PM EDT	Special Weather Statement	MLB	Orange	35 min
Jun 20, 3:45 PM EDT	Special Weather Statement	MLB	Martin	45 min
Jun 20, 3:53 PM EDT	Special Marine Warning	MLB		67 min
Jun 20, 3:53 PM EDT	Special Weather Statement	MLB	Okeechobee	52 min
Jun 20, 3:55 PM EDT	Special Weather Statement	MLB	Brevard	35 min
Jun 20, 6:11 PM EDT	Special Weather Statement	MLB	Okeechobee	34 min
Jun 20, 6:14 PM EDT	Special Weather Statement	MLB	Orange	31 min
Jun 20, 6:46 PM EDT	Special Weather Statement	MLB	Indian River	44 min
Jun 20, 7:08 PM EDT	Special Marine Warning	MLB		97 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.