Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Melbourne, FL

May 30, 2016Martin County, Florida

NWS Melbourne, FL issued this special weather statement at May 30, 2016, 3:20 PM EDT for Martin County, Florida. It was in force for 25 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
May 30, 2016, 3:20 PM EDT (19:20 UTC)
Expired
May 30, 2016, 3:45 PM EDT
In force
25 min
Issued by
NWS Melbourne, FL

County Martin County, FL

The radar

The Melbourne radar (KMLB), 107 km from the middle of the area, began a volume at 19:23 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, 7.3 hours before the alert went out and 147 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 2016-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 476 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 2016-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
476 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
989 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-2 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 May 30, 10:15 AM EDT, 5 hours 5 minutes earlier.

Area forecast discussion, May 30, 10:15 AM EDT, 5 hours 5 minutes before
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, May 30, 10:50 AM EDT, 4 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
1050 AM EDT MON MAY 30 2016

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-310000-
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 COUNTY-
NORTHERN LAKE COUNTY-ORANGE-SEMINOLE-SOUTHERN BREVARD COUNTY-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-SOUTHERN LAKE COUNTY-
NORTHERN BREVARD COUNTY-
1050 AM EDT MON MAY 30 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

.THUNDERSTORM IMPACT...
ADEQUATE MOISTURE WILL COMBINE WITH AFTERNOON HEATING AND SEA AND
LAKE BREEZE BOUNDARIES TO PRODUCE SCATTERED SLOW MOVING LIGHTNING
STORMS AGAIN TODAY. STORMS WILL INITIATE ALONG THE EAST COAST SEA
BREEZE JUST INLAND FROM THE TREASURE COAST AROUND NOON AND SPREAD
INLAND TO OKEECHOBEE COUNTY. EARLY THIS EVENING...BOUNDARY
COLLISIONS SHOULD PRODUCE SCATTERED STORMS OVER THE INTERIOR OVER OR
NEAR METRO ORLANDO.  CONDITIONS ARE FAVORABLE FOR STRONG AND
ISOLATED SEVERE STORMS CONTAINING FREQUENT CLOUD TO GROUND
LIGHTNING...GUSTY WINDS UP TO AROUND 50 MPH...SMALL HAIL AND LOCALLY
HEAVY RAINFALL.

.FLOOD IMPACT...
SLOW MOVING STORMS WILL PRODUCE LOCALLY HEAVY RAIN ACCUMULATING
ONE TO TWO INCHES IN A SHORT PERIOD OF TIME...WITH STORM TOTAL
ACCUMULATIONS UP TO 4 INCHES POSSIBLE IN A FEW LOCATIONS. THIS WILL
CAUSE TEMPORARY FLOODING OF SOME ROADS AND LOW LYING AREAS.

.RIP CURRENT IMPACT...
OCEAN SWELLS AND TIDAL CONDITIONS WILL BRING A HIGH RISK FOR
STRONG RIP CURRENTS AT THE BEACHES TODAY ALONG VOLUSIA AND BREVARD
COUNTIES. A MODERATE RIP CURRENT RISK WILL EXIST FOR INDIAN
RIVER...SAINT LUCIE AND MARTIN COUNTIES. MANY RIP RESCUES HAVE
BEEN REPORTED ON BOTH SATURDAY AND SUNDAY WITH ONE RIP RELATED
FATALITY REPORTED NEAR SPESSARD HOLLAND BEACH SUNDAY. MAKE SURE
TO SWIM NEAR A LIFEGUARD BEACH LOCATION AND NEVER SWIM ALONE.

.MARINE THUNDERSTORM GUST IMPACT...
WIND GUSTS BRIEFLY IN EXCESS OF 35 KNOTS WILL BE POSSIBLE IN A FEW
STRONG STORMS THIS AFTERNOON AND EVENING. THE THREAT WILL START
ALONG THE TREASURE COAST EARLY THIS AFTERNOON THEN SPREAD INLAND TO
THE LARGER LAKES.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
ISOLATED TO SCATTERED AFTERNOON THUNDERSTORMS ARE EXPECTED OVER
THE NEXT SEVERAL DAYS ALONG THE INLAND MOVING EAST COAST SEA
BREEZE AND WITH ANY BOUNDARY COLLISIONS OVER THE INTERIOR.
INCOMING SWELLS WILL KEEP THE RIP CURRENT THREAT ELEVATED
THROUGH MUCH OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE
IF NEEDED.

KELLY/SEDLOCK

In the hours before

Special weather statement, May 30, 3:17 PM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
317 PM EDT MON MAY 30 2016

FLZ047-302000-
SOUTHERN BREVARD COUNTY FL-
317 PM EDT MON MAY 30 2016

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL BREVARD COUNTY UNTIL 400
PM EDT...

AT 316 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
VIERA...OR NEAR ROCKLEDGE...MOVING SOUTHWEST AT 10 MPH.

DIME SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
ROCKLEDGE...MERRITT ISLAND...VIERA...SUNTREE AND PALM SHORES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 2821 8063 2809 8084 2823 8086 2826 8086
      2832 8074
TIME...MOT...LOC 1916Z 045DEG 10KT 2824 8074

KELLY
Special weather statement, May 30, 3:20 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
320 PM EDT MON MAY 30 2016

FLZ058-064-301945-
MARTIN FL-OKEECHOBEE FL-
320 PM EDT MON MAY 30 2016

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN MARTIN AND SOUTHEASTERN
OKEECHOBEE COUNTIES UNTIL 345 PM EDT...

AT 319 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
J AND S FISH CAMP...MOVING SOUTHWEST AT 5 MPH.

DIME SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
J AND S FISH CAMP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 2702 8063 2708 8066 2711 8066 2716 8071
      2718 8074 2720 8078 2730 8072 2726 8068
      2721 8068 2720 8062 2712 8054
TIME...MOT...LOC 1919Z 059DEG 5KT 2714 8067

KELLY

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 8:47 PM EDTSpecial Marine WarningMLB58 min
May 29, 8:49 PM EDTSpecial Weather StatementMLBBrevard56 min
May 30, 3:04 AM EDTRip Current StatementMLBVolusia19 hr
May 30, 3:17 PM EDTSpecial Weather StatementMLBBrevard43 min
May 30, 3:30 PM EDTSpecial Weather StatementMLBBrevard45 min
May 30, 3:55 PM EDTSpecial Weather StatementMLBSeminole35 min
May 30, 6:05 PM EDTSpecial Weather StatementMLBVolusia55 min
May 30, 7:11 PM EDTSevere Thunderstorm WarningMLBVolusia37 min
May 30, 7:20 PM EDTSpecial Marine WarningMLB55 min
May 30, 7:46 PM EDTSpecial Weather StatementMLBVolusia59 min

Nearby

Special Weather Statements in Florida, 2016Every special weather statement in 2016

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.