Alert archive / Florida / Special Weather Statements in 2014

Special Weather Statement, NWS Melbourne, FL

July 9, 2014Lake County, Florida

NWS Melbourne, FL issued this special weather statement at Jul 9, 2014, 2:06 PM EDT for Lake County, Florida. It was in force for 39 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 9, 2014, 2:06 PM EDT (18:06 UTC)
Expired
Jul 9, 2014, 2:45 PM EDT
In force
39 min
Issued by
NWS Melbourne, FL

County Lake County, FL

The radar

The Melbourne radar (KMLB), 113 km from the middle of the area, began a volume at 18:06 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, 6.1 hours before the alert went out and 111 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 2014-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 592 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 2014-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
592 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
928 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 9, 9:02 AM EDT, 5 hours 4 minutes earlier.

Area forecast discussion, Jul 9, 9:02 AM EDT, 5 hours 4 minutes before
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Hazardous weather outlook, Jul 9, 9:48 AM EDT, 4 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MELBOURNE FL
948 AM EDT WED JUL 9 2014

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-100000-
COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE
OUT 20 NM-
COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN
INLET OUT 20 NM-
COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM-
WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO
60 NM OFFSHORE-
WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO
60 NM OFFSHORE-
WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE-
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
SOUTHERN LAKE-NORTHERN BREVARD-
948 AM EDT WED JUL 9 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
THE EAST COAST SEA BREEZE WILL DEVELOP BY EARLY AFTERNOON AND
SPARK ISOLATED TO SCATTERED LIGHTNING STORMS JUST INLAND FROM THE
COAST. STORM COVERAGE SHOULD INCREASE OVER THE INTERIOR DURING
THE MID TO LATE AFTERNOON AS A RESULT OF BOUNDARY COLLISIONS.
STEERING FLOW WILL BE TOWARD THE EAST AROUND 10 MPH BUT SOME
STORMS WILL MOVE ERRATICALLY ESPECIALLY ALONG BOUNDARIES. A FEW
STORMS MAY BECOME STRONG AND BE CAPABLE OF PRODUCING FREQUENT
LIGHTNING STRIKES...DOWNBURST WINDS UP TO 50 MPH...SMALL HAIL AND
LOCALLY HEAVY RAINFALL.

.FLOOD IMPACT...
SLOW MOVING SCATTERED THUNDERSTORMS ARE EXPECTED TO OCCUR AGAIN
THIS AFTERNOON WITH LOCALIZED RAINFALL AMOUNTS UP TO 3 INCHES
POSSIBLE. THESE RAINFALL AMOUNTS WILL CAUSE MINOR FLOODING OF
ROADWAYS AND POOR DRAINAGE AREAS. LOCATIONS THAT HAVE RECEIVED
HEAVY RAIN OVER THE PAST FEW DAYS WILL BE OF PARTICULAR CONCERN
FOR FLOODING ISSUES.

.RIP CURRENT IMPACT...
A MODERATE THREAT FOR RIP CURRENTS WILL EXIST AT THE BEACHES OF
EAST CENTRAL FLORIDA. WHEN ARRIVING AT THE BEACH...CHECK WITH
OCEAN RESCUE ON LATEST SURF CONDITIONS AND ALWAYS SWIM NEAR A
LIFEGUARD.

.MARINE THUNDERSTORM GUST IMPACT...
SCATTERED STORMS WILL AGAIN DEVELOP THIS AFTERNOON AND A FEW WILL
HAVE THE POTENTIAL TO PRODUCE WINDS OF 35 TO 45 KNOTS. STORMS WILL
INITIALLY DEVELOP ALONG THE COAST DURING THE EARLY AFTERNOON AND A
FEW STORMS SHOULD PUSH OFFSHORE AS THEY MOVE EAST AROUND 10 KNOTS.
CONVECTION WILL THEN INCREASE OVER THE INTERIOR DURING THE MID TO
LATE AFTERNOON AND POSE A THREAT FOR LIGHTNING AND STRONG WIND
GUSTS OVER THE INLAND LAKES.

...WATERSPOUT IMPACT...
DEEP MOISTURE AND LIGHT SOUTHWEST ENVIRONMENTAL WINDS WILL
CONTRIBUTE TO A SLIGHT CHANCE FOR WATERSPOUTS ACROSS THE OFFSHORE
ATLANTIC WATERS THIS MORNING AND NEAR THE INTRACOASTAL AND NEAR SHORE
ATLANTIC WATERS THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
SUFFICIENT MOISTURE AND INSTABILITY WILL EXIST ACROSS THE AREA
FOR SCATTERED AFTERNOON THUNDERSTORM DEVELOPMENT EACH DAY. A FEW
STRONG STORMS WILL BE POSSIBLE EACH AFTERNOON.

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

VOLKMER

In the hours before

Special weather statement, Jul 9, 2:06 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
206 PM EDT WED JUL 9 2014

FLZ045-144-091845-
ORANGE-SOUTHERN LAKE COUNTY-
206 PM EDT WED JUL 9 2014

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH OVER EAST CENTRAL LAKE COUNTY...NORTHWESTERN
ORANGE COUNTY...

* UNTIL 245 PM EDT.

AT 204 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WIND GUSTS OVER FERNDALE...MOVING
EAST AT 10 MPH.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE LAKE APOPKA...KILLARNEY...WINTER GARDEN...WINDERMERE...
ORLOVISTA AND PINE HILLS.

THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 45 TO 55 MPH...WHICH CAN CAUSE UNSECURED OBJECTS TO
BLOW AROUND...SNAP TREE LIMBS OR CAUSE POWER OUTAGES. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.

LAT...LON 2878 8171 2878 8166 2879 8165 2879 8143
      2871 8146 2844 8146 2844 8170 2854 8174
TIME...MOT...LOC 1804Z 269DEG 7KT 2861 8170

15

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 8:07 PM EDTAreal Flood AdvisoryMLBLake83 min
Jul 8, 8:10 PM EDTAreal Flood AdvisoryMLBLake80 min
Jul 9, 3:08 PM EDTSpecial Weather StatementMLBOrange37 min
Jul 9, 3:35 PM EDTSpecial Weather StatementMLBOrange40 min
Jul 9, 3:42 PM EDTSpecial Weather StatementMLBOsceola33 min
Jul 9, 4:39 PM EDTSpecial Weather StatementMLBBrevard111 min
Jul 9, 4:49 PM EDTSevere Thunderstorm WarningMLBBrevard, Orange, Seminole, Volusia30 min
Jul 9, 5:03 PM EDTSevere Thunderstorm WarningMLBBrevard, Osceola57 min
Jul 9, 5:08 PM EDTSevere Thunderstorm WarningMLBBrevard, Orange, Osceola52 min
Jul 9, 5:09 PM EDTSpecial Marine WarningMLB2 hr
Jul 9, 5:58 PM EDTSpecial Weather StatementMLBIndian River62 min

Nearby

Special Weather Statements in Florida, 2014Every special weather statement in 2014

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.