Alert archive / Florida / Special Weather Statements in 2011
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Aug 8, 2011, 3:21 PM EDT for Osceola 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
- Aug 8, 2011, 3:21 PM EDT (19:21 UTC)
- Expired
- Aug 8, 2011, 4:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Melbourne, FL
County Osceola County, FL
The radar
The Melbourne radar (KMLB), 55 km from the middle of the area, began a volume at 19:21 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, 7.4 hours before the alert went out and 95 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.
- Mixed-layer CAPE
- 1126 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
081
WWUS82 KMLB 081921 CCA
SPSMLB
SPECIAL WEATHER STATEMENT...CORRECTED FOR WORDING
NATIONAL WEATHER SERVICE MELBOURNE FL
321 PM EDT MON AUG 8 2011
FLZ053-082000-
OSCEOLA-
321 PM EDT MON AUG 8 2011
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH OVER SOUTHEASTERN OSCEOLA COUNTY...
* UNTIL 400 PM EDT.
AT 316 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WIND GUSTS 6 MILES SOUTH OF LAKE
MARIAN...DRIFTING EAST AT 5 MPH.
LOCATIONS NEAR LAKE KISSIMMEE...LAKE MARIAN AND KENANSVILLE ARE
STILL SUSCEPTIBLE TO CLOUD TO GROUND LIGHTNING STRIKES EVEN THOUGH
THIS STORM COMPLEX IS LOCATED JUST TO THE SOUTH.
THE PRIMARY THREAT WILL BE FREQUENT 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 2791 8087 2783 8087 2782 8088 2765 8088
2764 8093 2764 8114 2769 8116 2771 8115
2772 8117 2776 8118 2783 8122 2785 8128
2786 8129
TIME...MOT...LOC 1920Z 270DEG 11KT 2779 8104
$$
SEDLOCKThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 1:31 PM EDT | Special Weather Statement | MLB | Orange, Seminole, Volusia | 89 min |
| Aug 8, 1:40 PM EDT | Special Marine Warning | MLB | 103 min | |
| Aug 8, 2:33 PM EDT | Special Marine Warning | MLB | 75 min | |
| Aug 8, 2:34 PM EDT | Special Weather Statement | MLB | Flagler | 41 min |
| Aug 8, 3:13 PM EDT | Special Marine Warning | MLB | 51 min | |
| Aug 8, 3:17 PM EDT | Special Weather Statement | MLB | Osceola | 43 min |
| Aug 8, 3:48 PM EDT | Special Weather Statement | MLB | Indian River | 42 min |
| Aug 8, 4:09 PM EDT | Special Weather Statement | MLB | Osceola | 36 min |
| Aug 8, 4:20 PM EDT | Special Marine Warning | MLB | 85 min | |
| Aug 8, 4:30 PM EDT | Special Weather Statement | MLB | Indian River | 45 min |
Nearby
Special Weather Statements in Florida, 2011Every special weather statement in 2011
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.