Alert archive / Florida / Areal Flood Warnings in 2014

Areal Flood Warning 3, NWS Melbourne, FL

January 9, 2014Martin County, Florida

NWS Melbourne, FL issued this areal flood warning at Jan 9, 2014, 9:02 PM EST for Martin County, Florida. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 9, 2014, 9:02 PM EST (02:02 UTC)
Expired
Jan 10, 2014, 12:00 AM EST
In force
3 hr
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Flood severity
None

County Martin County, FL

The radar

The Melbourne radar (KMLB), 117 km from the middle of the area, began a volume at 02:04 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

Miami, FL (KMFL), launched 00:00Z, 2.0 hours before the alert went out and 141 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, Miami, FL at 00:00Z on 2014-01-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 820 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, Miami, FL at 00:00Z on 2014-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.19395878Sfc1 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
820 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
731 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 areal flood warning went out at Jan 9, 8:49 PM EST, 13 minutes earlier.

Area forecast discussion, Jan 9, 8:49 PM EST, 13 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
849 PM EST THU JAN 9 2014

.DISCUSSION...
...RECORD TREASURE COAST RAINS ALONG WITH SOME SEVERE WEATHER
EARLIER...

SFC CONVERGENCE ALONG A QUASI-STATIONARY FRONTAL BOUNDARY COUPLED
WITH SOME FAVORABLE SYNOPTIC SCALE ASCENT HAS PRODUCED A FORMIDABLE
RAIN MAKING MACHINE ALONG THE TREASURE COAST MOST OF THE DAY. RAIN
AMOUNTS THAT EQUAL HISTORICAL DRY SEASON CLIMATOLOGY HAVE OCCURRED
IN SOME SELECT LOCATIONS ALONG THE COAST OF MARTIN AND SAINT LUCIE
COUNTIES.

UNOFFICIAL OBSERVER REPORTS OF 7 TO 10 INCHES HAVE BEEN RECEIVED
FROM THE AREA WITH THE FORT PIERCE AIRPORT AT NEARLY 7.5 INCHES.
AVAILABLE GUIDANCE SUGGEST A CONTINUED THREAT OF HEAVY
RAINS..ESPECIALLY ALONGTEH BOUNDARY AS IT LIFTS TO THE NORTH
OVERNIGHT. HIGH POP WILL BE MAINTAINED FOR THE REGION NORTH TO CAPE
CANAVERAL WITH LESSER AMOUNTS AND COVERAGE INLAND ZONES. THE
FORECAST WL BE UPDATED FOR TIMING AND OTEHR ELEMENTS.

&&

.AVIATION...
(PREVIOUS DISC) WIDESPREAD MVFR CEILINGS AND AREAS OF IFR ASSOCIATED
WITH AREAS OF RAINFALL WILL CONTINUE INTO EVENING...THEN AS LOW
LEVEL WINDS EASE AFTER MIDNIGHT...IFR SHOULD EXPAND AND AREAS OF
LIFR CEILINGS/VISIBILITIES ARE POSSIBLE...ESPECIALLY INLAND. THE
LAST SET OF TAFS TRENDED CONDITIONS DOWNWARD AND EXPECT FURTHER
LOWERING OF CEILINGS AND VISIBILITIES IN FUTURE TAFS. THE LOW CLOUDS
AND FOG WILL PERSIST FOR SEVERAL HOURS AFTER SUNRISE ON FRI BUT BY
AFTERNOON SKIES SHOULD BECOME PARTLY CLOUDY.

&&

.MARINE...
SMALL CRAFT ADVISORY CONDITIONS WILL RELEGATE TO CAUTION CRITERIA
OVER MOST OF AREA DURING EARLY FRIDAY (ASIDE FROM THE OUTER WATERS
NORTH ZONE (NORTH OF THE LIFTING BOUNDARY.)  LITTLE CHANGE TO
PREVIOUS FORECAST.

&&

.MLB WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...SMALL CRAFT ADVISORY TO 4 AM EST FRIDAY
     FOR COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD
     COUNTY LINE OUT 20 NM.

     SMALL CRAFT ADVISORY UNTIL 4 AM EST FRIDAY FOR COASTAL WATERS
     FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM-COASTAL
     WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET
     OUT 20 NM-WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD
     COUNTY LINE 20 TO 60 NM OFFSHORE-WATERS FROM SEBASTIAN
     INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE-WATERS FROM
     VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO 60 NM
     OFFSHORE.

&&

JP/TES
Hazardous weather outlook, Jan 9, 6:03 PM EST, 2 hours 59 minutes before
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In the hours before

Local storm report, Jan 9, 4:40 PM EST, 4 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
440 PM EST THU JAN 09 2014

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

0426 PM     FLOOD            1 SSW FORT PIERCE       27.43N 80.33W
01/09/2014                   ST. LUCIE          FL   TRAINED SPOTTER

            SKYWARN SPOTTER REPORTED ROADWAY UNDER AT LEAST ONE FOOT
            OF WATER ON VIRGINIA AVE NEAR US 1 IN SOUTH FORT PIERCE.
            CARS STALLED ALL OVER THE ROAD AND TRAFFIC STOPPED.

&&

JRC
Special weather statement, Jan 9, 6:08 PM EST, 2 hours 54 minutes before
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Local storm report, Jan 9, 7:34 PM EST, 1 hour 28 minutes before
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Local storm report, Jan 9, 9:02 PM EST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 9, 7:25 PM ESTSpecial Marine WarningMLB65 min
Jan 10, 4:06 AM ESTSmall Craft AdvisoryMLB12 hr
Jan 10, 4:22 PM ESTSmall Craft Advisory for Hazardous SeasMLB12 hr

Nearby

Areal Flood Warnings in Florida, 2014Every areal flood warning 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.