Alert archive / Florida / Special Weather Statements in 2022

Special Weather Statement, NWS Melbourne, FL

July 20, 2022Sumter County, Florida

NWS Melbourne, FL issued this special weather statement at Jul 20, 2022, 5:11 PM EDT for Sumter 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
Jul 20, 2022, 5:11 PM EDT (21:11 UTC)
Expired
Jul 20, 2022, 5:45 PM EDT
In force
34 min
Issued by
NWS Melbourne, FL
Hail
0.25 in
Wind
40

County Sumter County, FL

The radar

The Tampa radar (KTBW), 95 km from the middle of the area, began a volume at 21:12 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, 9.2 hours before the alert went out and 133 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 2022-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1315 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 2022-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
1315 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
936 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
-9 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 Jul 20, 3:40 PM EDT, 1 hour 31 minutes earlier.

Area forecast discussion, Jul 20, 3:40 PM EDT, 1 hour 31 minutes before
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Hazardous weather outlook, Jul 20, 11:24 AM EDT, 5 hours 47 minutes before
Hazardous Weather Outlook
National Weather Service Melbourne FL
1124 AM EDT Wed Jul 20 2022

AMZ550-552-555-570-572-575-FLZ041-044>046-053-058-141-144-154-159-
164-247-254-259-264-347-447-547-647-747-210000-
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-
1124 AM EDT Wed Jul 20 2022

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

.THUNDERSTORM IMPACT...
Scattered lightning storms are expected to develop this afternoon
from Kissimmee to Titusville northward, though a few storms are
also possible from Melbourne to Okeechobee. The strongest storms
are going to produce frequent lightning strikes, wind gusts up to
50 mph, and torrential downpours. Be sure to seek safe shelter
inside a sturdy building at the first sign of bad weather, if you
see lightning, or if you hear thunder.

Locally heavy rainfall amounts of 2 to 3 inches are possible from
Titusville to Kissimmee northward. This could cause minor
flooding of urban and poor drainage areas.

.EXCESSIVE HEAT IMPACT...
Afternoon temperatures are forecast to reach the low to mid 90s.
Combined with high humidity, expect peak heat index values between
105 to 107. If outdoors this afternoon, be sure to take plenty of
breaks in an air conditioned room, stay hydrated, and wear light
colored clothing.

.RIP CURRENT IMPACT...
There is a moderate risk of rip currents at all Central Florida
Atlantic beaches today. Always swim near a life guard and never
swim alone.

.MARINE THUNDERSTORM GUST IMPACT...
Scattered lightning storms this afternoon and early evening will
be capable of producing wind gusts of 35 knots or greater on
inland lakes, the Intracoastal Waterway, and nearshore Atlantic
waters north of Sebastian Inlet.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
Scattered showers and lightning storms are forecast each afternoon
for the rest of this week and weekend, with the highest coverage
of storms being west of Interstate 95. The main threats from any
strong storms will be frequent cloud to ground lightning strikes,
torrential downpours, and gusty winds.

The rip current risk is expected to remain moderate through the
weekend.

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

Haley/Rodriguez

In the hours before

Special weather statement, Jul 20, 3:04 PM EDT, 2 hours 7 minutes before
Special Weather Statement
National Weather Service Melbourne FL
304 PM EDT Wed Jul 20 2022

FLZ141-201930-
Coastal Volusia FL-
304 PM EDT Wed Jul 20 2022

...A strong thunderstorm will impact portions of north central
Volusia County through 330 PM EDT...

At 304 PM EDT, Doppler radar was tracking a strong thunderstorm near
Ormond-By-the-Sea, moving east at 20 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Daytona Beach, Ormond Beach, Holly Hill, Ormond-By-the-Sea and Ormond
Beach Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 2943 8107 2925 8098 2923 8113 2927 8115
      2936 8115 2941 8116 2941 8115 2942 8115
      2943 8110
TIME...MOT...LOC 1904Z 259DEG 20KT 2940 8112

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

Weitlich
Special weather statement, Jul 20, 3:26 PM EDT, 1 hour 45 minutes before
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Local storm report, Jul 20, 4:06 PM EDT, 1 hour 5 minutes before
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Special weather statement, Jul 20, 4:12 PM EDT, 59 minutes before
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Local storm report, Jul 20, 4:41 PM EDT, 30 minutes before
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Special weather statement, Jul 20, 5:11 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
Jul 20, 1:59 PM EDTSpecial Weather StatementMLBLake46 min
Jul 20, 2:16 PM EDTSpecial Weather StatementMLBVolusia44 min
Jul 20, 3:04 PM EDTSpecial Weather StatementMLBFlagler26 min
Jul 20, 3:06 PM EDTSpecial Marine WarningMLB54 min
Jul 20, 3:24 PM EDTSpecial Marine WarningMLB36 min
Jul 20, 3:26 PM EDTSpecial Weather StatementMLBVolusia34 min
Jul 20, 3:39 PM EDTSevere Thunderstorm WarningMLBVolusia36 min
Jul 20, 3:55 PM EDTSpecial Marine WarningMLB65 min
Jul 20, 4:12 PM EDTSpecial Weather StatementMLBVolusia33 min
Jul 20, 5:20 PM EDTSpecial Weather StatementMLBOrange25 min
Jul 20, 5:43 PM EDTSpecial Marine WarningMLB70 min
Jul 20, 6:07 PM EDTSpecial Weather StatementMLBSeminole38 min
Jul 20, 6:50 PM EDTSpecial Weather StatementMLBBrevard40 min

Nearby

Special Weather Statements in Florida, 2022Every special weather statement in 2022

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.