Alert archive / Florida / Special Weather Statements in 2014

Special Weather Statement, NWS Melbourne, FL

April 8, 2014Seminole County, Florida

NWS Melbourne, FL issued this special weather statement at Apr 8, 2014, 12:21 AM EDT for Seminole County, Florida. It was in force for 24 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 8, 2014, 12:21 AM EDT (04:21 UTC)
Expired: Apr 8, 2014, 12:45 AM EDT
In force: 24 min
Issued by: NWS Melbourne, FL

County Seminole County, FL

The radar

The Melbourne radar (KMLB), 73 km from the middle of the area, began a volume at 04:23 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 00:00Z, 4.4 hours before the alert went out and 198 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: 1069 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1128 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.8

Open this sounding in Storm Lab

The text

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

118 
WWUS82 KMLB 080421
SPSMLB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1221 AM EDT TUE APR 8 2014

FLZ141-147-080445-
COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY-
1221 AM EDT TUE APR 8 2014

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS 
UP TO 50 MPH OVER NORTHERN BREVARD COUNTY...EXTREME SOUTHEAST 
VOLUSIA COUNTY...

* UNTIL 1245 AM EDT.

AT 1219 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
CLUSTER OF HEAVY SHOWERS CAPABLE OF PRODUCING STRONG WIND GUSTS OVER 
MIMS...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE APOLLO BEACH.

THE PRIMARY THREAT WILL BE GUSTY WINDS UP TO 50 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 2874 8069 2873 8070 2876 8074 2878 8074
      2881 8078 2885 8079 2885 8081 2877 8076
      2871 8071 2857 8082 2867 8099 2893 8082
TIME...MOT...LOC 0420Z 212DEG 45KT 2870 8085

$$


KELLY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 12:17 AM EDT	Special Marine Warning	MLB		58 min
Apr 8, 4:41 AM EDT	Lake Wind Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole	11 hr
Apr 8, 12:35 PM EDT	Special Weather Statement	MLB	Orange, Seminole	55 min
Apr 8, 1:28 PM EDT	Special Weather Statement	MLB	Indian River	32 min
Apr 8, 4:22 PM EDT	Special Marine Warning	MLB		83 min
Apr 8, 5:17 PM EDT	Special Marine Warning	MLB		88 min

Nearby

Special Weather Statements in Florida, 2014 Every 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.