Alert archive / Florida / Special Weather Statements in 2015

Special Weather Statement, NWS Melbourne, FL

July 2, 2015Orange County, Seminole County, Volusia County, Florida

NWS Melbourne, FL issued this special weather statement at Jul 2, 2015, 3:37 PM EDT for Orange County, Seminole County, Volusia County, Florida. It was in force for 53 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 2, 2015, 3:37 PM EDT (19:37 UTC)
Expired: Jul 2, 2015, 4:30 PM EDT
In force: 53 min
Issued by: NWS Melbourne, FL

Counties Orange County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 69 km from the middle of the area, began a volume at 19:40 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, 7.6 hours before the alert went out and 56 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 522 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1299 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: -5 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 2, 11:00 AM EDT, 4 hours 37 minutes earlier.

Area forecast discussion, Jul 2, 11:00 AM EDT, 4 hours 37 minutes before

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Hazardous weather outlook, Jul 2, 11:00 AM EDT, 4 hours 37 minutes before

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In the hours before

Special weather statement, Jul 2, 1:59 PM EDT, 1 hour 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
159 PM EDT THU JUL 2 2015

FLZ041-044-045-144-021900-
NORTHERN LAKE COUNTY FL-SOUTHERN LAKE COUNTY FL-ORANGE FL-
INLAND VOLUSIA COUNTY FL-
159 PM EDT THU JUL 2 2015

...SIGNIFICANT WEATHER ADVISORY FOR LAKE...WESTERN ORANGE AND
NORTHWESTERN VOLUSIA COUNTIES UNTIL 300 PM EDT...

AT 157 PM EDT...DOPPLER RADAR WAS TRACKING A DEVELOPING LINE OF
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR PIERSON TO 9
MILES SOUTHWEST OF MASCOTTE TO HILLSBOROUGH RIVER STATE PARK...AND
MOVING EAST-NORTHEAST AT 10 MPH.

WINDS IN EXCESS OF 40 MPH WITH HAIL TO PENNY SIZE WILL BE POSSIBLE
WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ORLANDO...APOPKA...OCOEE...WINTER GARDEN AND LEESBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE PRIMARY THREATS WILL BE FREQUENT 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 THESE STORMS...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.

THESE STORMS 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 2896 8195 2896 8166 2928 8164 2932 8168
      2940 8142 2926 8142 2925 8136 2873 8143
      2871 8146 2864 8146 2864 8144 2836 8145
      2835 8196
TIME...MOT...LOC 1757Z 238DEG 8KT 2928 8147 2852 8202 2813 8221

SEDLOCK

Special weather statement, Jul 2, 2:41 PM EDT, 56 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
241 PM EDT THU JUL 2 2015

FLZ041-044>046-141-144-021945-
NORTHERN LAKE COUNTY FL-SOUTHERN LAKE COUNTY FL-ORANGE FL-
INLAND VOLUSIA COUNTY FL-COASTAL VOLUSIA COUNTY FL-SEMINOLE FL-
241 PM EDT THU JUL 2 2015

...SIGNIFICANT WEATHER ADVISORY FOR LAKE...ORANGE...VOLUSIA AND
SEMINOLE COUNTIES UNTIL 345 PM EDT...

AT 240 PM EDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES SOUTHWEST OF
BUNNELL TO NEAR DELEON SPRINGS TO NEAR EUSTIS TO NEAR LAKE LOUISA...
AND MOVING NORTHEAST AT 35 MPH.

HALF INCH HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ORLANDO...DELTONA...DAYTONA BEACH...PORT ORANGE AND SANFORD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE PRIMARY THREATS WILL BE FREQUENT 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 THESE STORMS...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.

THESE STORMS 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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN MELBOURNE.

&&

LAT...LON 2878 8097 2861 8097 2856 8093 2837 8089
      2835 8196 2836 8196 2854 8195 2896 8178
      2896 8166 2932 8163 2938 8142 2926 8142
      2927 8115 2941 8116 2943 8110
TIME...MOT...LOC 1840Z 228DEG 31KT 2938 8132 2910 8143 2889 8160 2848
8180

SEDLOCK

Special weather statement, Jul 2, 3:37 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 8:02 PM EDT	Special Marine Warning	MLB		28 min
Jul 1, 8:55 PM EDT	Special Weather Statement	MLB	Orange	65 min
Jul 2, 1:59 PM EDT	Special Weather Statement	MLB	Lake	61 min
Jul 2, 2:41 PM EDT	Special Weather Statement	MLB	Lake, Orange, Seminole, Volusia	64 min
Jul 2, 3:59 PM EDT	Special Marine Warning	MLB		2 hr
Jul 2, 4:35 PM EDT	Special Weather Statement	MLB	Brevard	55 min
Jul 2, 5:29 PM EDT	Special Marine Warning	MLB		2 hr
Jul 2, 5:31 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	59 min
Jul 2, 6:31 PM EDT	Special Weather Statement	MLB	Okeechobee	59 min
Jul 2, 6:38 PM EDT	Areal Flood Advisory	MLB	Brevard	112 min

Nearby

Special Weather Statements in Florida, 2015 Every special weather statement in 2015

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.