Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Melbourne, FL

April 2, 2016Lake County, Florida

NWS Melbourne, FL issued this special weather statement at Apr 2, 2016, 1:20 PM EDT for Lake County, Florida. It was in force for 40 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
Apr 2, 2016, 1:20 PM EDT (17:20 UTC)
Expired
Apr 2, 2016, 2:00 PM EDT
In force
40 min
Issued by
NWS Melbourne, FL

County Lake County, FL

The radar

The Melbourne radar (KMLB), 111 km from the middle of the area, began a volume at 17:23 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

Tampa Bay, FL (KTBW), launched 12:00Z, 5.3 hours before the alert went out and 112 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, Tampa Bay, FL at 12:00Z on 2016-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 626 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, Tampa Bay, FL at 12:00Z on 2016-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.1939587897Sfc1 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
626 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.4

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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 Apr 2, 9:33 AM EDT, 3 hours 47 minutes earlier.

Area forecast discussion, Apr 2, 9:33 AM EDT, 3 hours 47 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
933 AM EDT SAT APR 2 2016

.UPDATE...

...SLIGHT RISK OF SEVERE STORMS THROUGH AFTERNOON...

BAND OF PRE FRONTAL STORMS WILL BE AFFECTING THE AREA TODAY WITH
SEVERE THUNDERSTORM WATCH UNTIL 1 PM FOR THE NORTH HALF. DEEP
LAYER SHEAR WILL BE STRONG WITH LOCAL DAMAGING WIND GUSTS POSSIBLE
IN FAST MOVING STORMS.  CONSIDERABLE DEBRIS CLOUDINESS WILL LIMIT
DAYTIME HEATING...BUT SOUTHERN SECTIONS WILL HAVE THE LONGEST
PERIOD OF NO RAIN. HIGH PRECIPITABLE WATER VALUES POINT TO
FREQUENT LIGHTNING STRIKES AND TORRENTIAL DOWNPOURS THERE THIS
AFTERNOON ALONG WITH A SMALL POTENTIAL FOR LOCAL DAMAGING WIND
GUSTS. HAVE BUMPED POPS UP FOR ALL BUT THE FAR SOUTH AND ALSO
TWEAKED MAX TEMPS DOWN ACROSS THE NORTH WHERE IT HAS STARTED OFF
OVERCAST.

&&

.AVIATION...
BASED ON RECENT HRRR MODEL...BAND OF STORMS EXPECTED TO REACH
NORTHERN TERMINALS BY MID TO LATE MORNING AND KMCO VCNTY IN THE
EARLY AFTERNOON AND THEN KMLB-KVRB BY MID AFTERNOON AND FURTHER
SOUTH INTO THE LATE AFTERNOON/EARLY EVENING. MVFR CIGS/IFR VSBYS
EXPECTED WITH +TSRA AS CONVECTION MOVES ACROSS THE PENINSULA
TODAY.

&&

.MARINE...
TODAY-TONIGHT...TIGHTENING OF PRESSURE GRADIENT IS OCCURRING AHEAD
OF AN APPROACHING COLD FRONT. THIS WILL PRODUCE POOR-HAZARDOUS
BOATING CONDITIONS...ESPECIALLY IN THE OFFSHORE ZONES. A BAND OF
STRONG STORMS WILL BE SWEEPING ACROSS THE COAST NORTH OF CANAVERAL
THIS MORNING AND EARLY AFTERNOON...THEN SOUTH OF THE CAPE TO THE
TREASURE COAST THIS AFTERNOON AND EVENING. MARINERS SHOULD EXPECT
STRONG WIND GUSTS AND FREQUENT LIGHTNING STRIKES WITH SOME
STORMS. A FEW SPECIAL MARINE WARNINGS ARE LIKELY.

&&

.MLB WATCHES/WARNINGS/ADVISORIES...
FL...LAKE WIND ADVISORY UNTIL 4 PM EDT THIS AFTERNOON FOR INDIAN
     RIVER-MARTIN-NORTHERN BREVARD COUNTY-OKEECHOBEE-ORANGE-
     OSCEOLA-SEMINOLE-SOUTHERN BREVARD COUNTY-SOUTHERN LAKE
     COUNTY-ST. LUCIE.

     SEVERE THUNDERSTORM WATCH UNTIL 1 PM EDT THIS AFTERNOON FOR
     COASTAL VOLUSIA COUNTY-INLAND VOLUSIA COUNTY-NORTHERN LAKE
     COUNTY-ORANGE-SEMINOLE-SOUTHERN LAKE COUNTY.

AM...SEVERE THUNDERSTORM WATCH UNTIL 1 PM EDT THIS AFTERNOON FOR
     FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20 NM.

     SMALL CRAFT ADVISORY FROM 5 AM TO 5 PM EDT SUNDAY FOR SEBASTIAN
     INLET TO JUPITER INLET 20-60 NM.

     SMALL CRAFT ADVISORY FROM 11 PM THIS EVENING TO 5 PM EDT SUNDAY
     FOR FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 20-60 NM.

     SMALL CRAFT ADVISORY FROM 2 AM TO 5 PM EDT SUNDAY FOR VOLUSIA-
     BREVARD COUNTY LINE TO SEBASTIAN INLET 20-60 NM.

&&

FORECASTS...LASCODY
IMPACT WX/RADAR...WEITLICH/SEDLOCK
Hazardous weather outlook, Apr 2, 4:54 AM EDT, 8 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
454 AM EDT SAT APR 2 2016

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-022000-
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-
454 AM EDT SAT APR 2 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
SHOWERS AND STORMS AHEAD OF A COLD FRONT ACROSS THE FLORIDA
PANHANDLE WILL MOVE EAST ACROSS THE NORTHERN FLORIDA PENINSULA
THIS MORNING...LIKELY REACHING THE ORLANDO AREA BY LATE MORNING OR
MID DAY AND TRANSLATING SOUTHWARD TOWARD THE SPACE AND TREASURE
COASTS INTO MID TO LATE AFTERNOON. ISOLATED STRONG TO SEVERE
STORMS ARE POSSIBLE WITH DAMAGING WINDS BEING THE MAIN
HAZARD...BUT SMALL HAIL OR A BRIEF TORNADO ACROSS NORTHERN
PORTIONS OF EAST CENTRAL FLORIDA THIS MORNING IS POSSIBLE DUE TO
FAVORABLE ENVIRONMENTAL WINDS AND LOW LEVEL TURNING OF THE WIND
PROFILES THOUGH LATE MORNING. FORECAST WIND PROFILES WILL BECOME
MORE UNIDIRECTIONAL THIS AFTERNOON WHICH WILL TRANSITION THE MAIN
THUNDERSTORM HAZARD TO A STRAIGHT LINE WIND THREAT. FREQUENT
LIGHTNING WILL ALSO BE POSSIBLE WITH STORMS TODAY AND STORM MOTION
WILL BE TOWARD THE EAST NORTHEAST AT 30 TO 40 MPH. A SLIGHT CHANCE
FOR STORMS WILL LINGER ACROSS OKEECHOBEE COUNTY AND THE TREASURE
COAST INTO THE EVENING HOURS.

.MARINE THUNDERSTORM GUST IMPACT...
STRONGER THUNDERSTORMS AFFECTING THE INLAND LAKES AND NEAR SHORE
ATLANTIC WATERS TODAY WILL BE CAPABLE OF WIND GUSTS ABOVE 35
KNOTS. MARINERS SHOULD BE PREPARED TO SEEK SAFE HARBOR IF STORMS
APPROACH FROM THE WEST.

.FLOOD IMPACT...
LOCALLY HEAVY RAINFALL AMOUNTS OF ONE TO ONE AND A HALF INCHES
MAINLY NORTH OF A LINE FROM KENANSVILLE TO MELBOURNE MAY CAUSE
PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF POOR DRAINAGE
AREAS.

.HIGH WIND IMPACT...
BREEZY TO WINDY SOUTHWEST WINDS WILL GUST TO 25 TO 30 MPH FROM
LATE MORNING INTO THE AFTERNOON AHEAD OF A LINE OF STORMS
APPROACHING THE AREA. A LAKE WIND ADVISORY IS IN EFFECT THROUGH
THE AFTERNOON FOR MUCH OF EAST CENTRAL FLORIDA.

.RIP CURRENT IMPACT...
AN EAST SWELL WILL PRODUCE A MODERATE RISK FOR RIP CURRENTS AT
EAST CENTRAL FLORIDA BEACHES. REMEMBER TO SWIM NEAR A LIFEGUARD
AND DO NOT SWIM ALONE.

.WIND AND SEA IMPACT...
STRONGER NORTHERLY WINDS LATER TONIGHT BEHIND A COLD FRONT WILL
ELEVATE SEAS ACROSS THE OFFSHORE AND GULF STREAM WATERS. SMALL
CRAFT ADVISORIES ARE NOW IN EFFECT OFFSHORE FOR LATER TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
HAZARDOUS MARINE CONDITIONS WILL CONTINUE ON SUNDAY ACROSS THE
OFFSHORE AND GULF STREAM WATERS BEHIND A FRONT PUSHING TOWARD
SOUTH FLORIDA. A STRONG HIGH PRESSURE AREA BUILDING TOWARD THE MID
ATLANTIC TOWARD MID WEEK WILL AGAIN ELEVATE WINDS AND SEAS ACROSS
THE ATLANTIC BY TUESDAY NIGHT INTO WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS SHOULD MONITOR THE WEATHER. FORMAL ACTIVATION MAY BE
NEEDED.

VOLKMER

In the hours before

Local storm report, Apr 2, 12:40 PM EDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
1240 PM EDT SAT APR 02 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1230 PM     NON-TSTM WND GST 4 NW HAULOVER CANAL     28.78N 80.80W
04/02/2016  M39 MPH          BREVARD            FL   OTHER FEDERAL

            39 KNOT NON-CONVECTIVE WIND GUST FROM 54-FOOT CAPE TOWER
            0421.

&&

TES
Local storm report, Apr 2, 12:59 PM EDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MELBOURNE FL
1259 PM EDT SAT APR 02 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1230 PM     NON-TSTM WND GST 4 NW HAULOVER CANAL     28.78N 80.80W
04/02/2016  45 MPH           BREVARD            FL   OTHER FEDERAL

            39 KNOT NON-CONVECTIVE WIND GUST FROM 54-FOOT CAPE TOWER
            0421.

&&

TES
Special weather statement, Apr 2, 1:20 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
120 PM EDT SAT APR 2 2016

FLZ045-144-021800-
SOUTHERN LAKE COUNTY FL-ORANGE FL-
120 PM EDT SAT APR 2 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN LAKE AND SOUTHWESTERN
ORANGE COUNTIES UNTIL 200 PM EDT...

AT 117 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG
THUNDERSTORMSOUTH OF GROVELAND...MOVING EAST AT 45 MPH.

WINDS IN EXCESS OF 45 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...

LAKE LOUISA...LAKE BUTLER...WINTER GARDEN...WINDERMERE...ORLANDO AND
WINTER PARK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE PRIMARY THREATS WILL BE CLOUD TO GROUND LIGHTNING AND STRONG WIND
GUSTS...WHICH CAN CAUSE UNSECURED OBJECTS TO BLOW AROUND...SNAP TREE
LIMBS...CAUSE POWER OUTAGES OR CAPSIZE SMALL BOATS. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.

BOATERS SHOULD BE AWARE THAT STRONG WIND GUSTS SOMETIMES OCCUR WELL
AWAY FROM THE HEAVY RAIN AND LIGHTNING ASSOCIATED WITH STORMS.

HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...WHICH WILL REDUCE
VISIBILITY AND MAY LEAD TO TEMPORARY FLOODING OF LOW LYING AND POOR
DRAINAGE AREAS. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 2855 8195 2864 8134 2839 8132 2837 8193
TIME...MOT...LOC 1717Z 263DEG 38KT 2847 8186

CRISTALDI

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 4:09 AM EDTLake Wind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole12 hr
Apr 2, 4:16 AM EDTSmall Craft AdvisoryMLB36 hr
Apr 2, 1:42 PM EDTSpecial Weather StatementMLBBrevard93 min
Apr 2, 1:49 PM EDTSpecial Marine WarningMLB86 min
Apr 2, 3:10 PM EDTSpecial Marine WarningMLB2 hr

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.