Alert archive / Florida / Special Weather Statements in 2011
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Aug 27, 2011, 12:52 PM EDT for Orange 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
- Aug 27, 2011, 12:52 PM EDT (16:52 UTC)
- Expired
- Aug 27, 2011, 1:45 PM EDT
- In force
- 53 min
- Issued by
- NWS Melbourne, FL
County Orange County, FL
The radar
The Melbourne radar (KMLB), 100 km from the middle of the area, began a volume at 16:52 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, 4.9 hours before the alert went out and 112 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
- 1427 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 993 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Aug 27, 9:31 AM EDT, 3 hours 21 minutes earlier.
Area forecast discussion, Aug 27, 9:31 AM EDT, 3 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
931 AM EDT SAT AUG 27 2011
.DISCUSSION...
...STRONG AND DANGEROUS RIP CURRENTS EXPECTED ALONG THE BEACHES
TODAY...
A WEAK VORT MAX MOVING THROUGH THE AREA GENERATED A FEW SHOWERS
AND STORMS THAT MOVED OFFSHORE FROM THE CAPE THIS MORNING.
OTHERWISE WATER VAPOR IMAGERY AND MORNING SOUNDING FROM
TAMPA/TALLAHASSEE CONTINUE TO SHOW RELATIVELY DRY MID TO UPPER
LEVEL AIRMASS INTO FLORIDA. THIS WILL KEEP RAIN CHANCES LIMITED
WITH ONLY A SLIGHT CHANCE FOR SHOWERS AND STORMS INTO THIS
AFTERNOON. BREEZY WESTERLY WINDS WILL PREVENT THE EAST COAST SEA
BREEZE FROM DEVELOPING TODAY. THIS WILL ALLOW TEMPERATURES TO
BECOME QUITE HOT THIS AFTERNOON WITH HIGHS IN THE MID TO UPPER 90S
AND HEAT INDEX VALUES REACHING AROUND 105 DEGREES.
THIS DRIER WEATHER AND ABOVE NORMAL TEMPERATURES WILL LIKELY LEAD
TO MANY BEACH GOERS TODAY. HOWEVER LINGERING SWELLS LEFT OVER FROM
HURRICANE IRENE WILL POSE A HIGH RISK FOR STRONG AND DANGEROUS RIP
CURRENTS ALONG AREA BEACHES THROUGH THIS EVENING. HAVE ISSUED A
RIP CURRENT STATEMENT THIS MORNING FOR THIS HIGH RIP CURRENT RISK.
&&
.AVIATION...VFR. DRIER AIRMASS OVER THE AREA WILL LIMIT ANY
SHOWER/STORM DEVELOPMENT INTO THIS AFTERNOON. IF ANY ISOLATED
CONVECTION CAN FORM TEMPO IFR/MVFR CONDS CAN BE EXPECTED. WILL
LEAVE ANY VCTS/TEMPO GROUP MENTION OUT OF THE TAFS FOR NOW THOUGH
DUE TO THE LOW RAIN CHANCES. WESTERLY WINDS WILL BECOME BREEZY
THIS AFT UP TO 15 TO 20 KTS.
&&
.MARINE...SMALL CRAFT ADVISORY REMAINS FOR ALL OF THE OFFSHORE
WATERS AND ALSO THE NEARSHORE WATERS OF THE TREASURE COAST FOR
W/SW WINDS NEAR 20 KNOTS AND SEAS 7 FEET OR HIGHER. SMALL CRAFT
SHOULD EXERCISE CAUTION OVER THE NEARSHORE WATERS OF BREVARD AND
VOLUSIA COUNTIES FOR BREEZY CONDITIONS AND SEAS 4 TO 6 FEET.
&&
.CLIMATE...HOT WESTERLY FLOW TODAY MAY PUT A RECORD HIGH OR TWO IN
JEOPARDY. RECORD HIGHS FOR SATURDAY AUGUST 27TH ARE AS FOLLOWS:
LOCATION MAX YEAR(S)
DAYTONA BEACH 101 1938
ORLANDO 97 1914, 1920, 1943
MELBOURNE 98 1938
VERO BEACH 94 1966, 1995
&&
.MLB WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...SMALL CRAFT ADVISORY UNTIL 4 PM EDT THIS AFTERNOON FOR 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 SEBASTIAN INLET TO JUPITER
INLET 20 TO 60 NM OFFSHORE-WATERS FROM VOLUSIA BREVARD
COUNTY LINE TO SEBASTIAN INLET 20 TO 60 NM OFFSHORE.
&&
WEITLICH/LASCODYHazardous weather outlook, Aug 27, 11:30 AM EDT, 1 hour 22 minutes before
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</html>In the hours before
Special weather statement, Aug 27, 12:52 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1252 PM EDT SAT AUG 27 2011
FLZ045-053-144-271745-
ORANGE-OSCEOLA-SOUTHERN LAKE COUNTY-
1252 PM EDT SAT AUG 27 2011
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 40 AND 45 MPH OVER SOUTHERN LAKE COUNTY...SOUTHWESTERN ORANGE
COUNTY...NORTHWESTERN OSCEOLA COUNTY...
* UNTIL 145 PM EDT.
AT 1250 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SCATTERED STORMS CAPABLE OF PRODUCING STRONG WIND GUSTS OVER SOUTH
LAKE COUNTY AND APPROACHING THE ATTRACTIONS AREA.
LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE ANIMAL KINGDOM...BAY HILL...DOCTOR PHILLIPS AND LAKE BUENA
VISTA.
THE PRIMARY THREATS WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 40 TO 45 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 2855 8182 2857 8127 2822 8128 2822 8154
2826 8156 2826 8166 2834 8167 2834 8179
2836 8180 2836 8182
TIME...MOT...LOC 1649Z 274DEG 15KT 2840 8173
RLThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 7:34 AM EDT | Rip Current Statement | MLB | Volusia | 12 hr |
| Aug 27, 1:45 PM EDT | Special Weather Statement | MLB | Brevard, Osceola | 60 min |
| Aug 27, 2:04 PM EDT | Special Marine Warning | MLB | 116 min | |
| Aug 27, 2:33 PM EDT | Special Weather Statement | MLB | Volusia | 42 min |
| Aug 27, 2:38 PM EDT | Special Marine Warning | MLB | 82 min | |
| Aug 27, 2:59 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 31 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.