Alert archive / Florida / Special Weather Statements in 2010
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Aug 7, 2010, 2:15 PM EDT for Brevard County, Florida. It was in force for 45 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 7, 2010, 2:15 PM EDT (18:15 UTC)
- Expired
- Aug 7, 2010, 3:00 PM EDT
- In force
- 45 min
- Issued by
- NWS Melbourne, FL
County Brevard County, FL
The radar
The Melbourne radar (KMLB), 43 km from the middle of the area, began a volume at 18:19 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
Jacksonville, FL (KJAX), launched 12:00Z, 6.3 hours before the alert went out and 241 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
- 2116 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 505 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 7, 10:02 AM EDT, 4 hours 13 minutes earlier.
Area forecast discussion, Aug 7, 10:02 AM EDT, 4 hours 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 1002 AM EDT SAT AUG 7 2010 .DISCUSSION... FIRST FEW VISIBLE SATELLITE IMAGES WERE SHOWING A DECREASING TREND IN THE HIGH CLOUDS ASSOCIATED WITH THE MESOSCALE COMPLEX SYSTEM (MCS) LOCATED OFF NORTHEAST FLORIDA. DEEP SOUTHWEST TO WEST FLOW BEING DETECTED BY THE VERTICAL WIND PROFILERS AT THE SPACE CENTER IS THE RESULT OF CENTRAL FLORIDA BEING SANDWICHED BETWEEN HIGH PRESSURE OVER THE BAHAMA ISLANDS AND NORTHERN CARIB. SEA AND TROUGH OF LOW PRESSURE OVER NORTHERN FLORIDA...SOUTHEAST STATES. MORNING UPPER AIR SOUNDINGS CONTINUE TO INDICATE A VERY MOIST ATMOSPHERE WITH ALL STATIONS RECORDING PRECIPITABLE WATER VALUES OF MORE THAN 2 INCHES. MID AND UPPER FLOW SHOULD START TO VEER MORE TO THE NORTHWEST AS THE MID/UPPER RIDGES OVER THE CENTRAL U.S. BUILDS OVER THE REGION AND THE TROUGH AXIS ASSOCIATED WITH MCS OFF NORTHEAST FLORIDA LIFTS AWAY FROM THE MAINLAND U.S. AND INTO THE WESTERN ATLANTIC. LATEST MAV POP OF 60 TO 70 LOOKS GOOD AREA WIDE GIVEN MOISTURE CONTENT AND THE PREVAILING WEST TO EAST FLOW THROUGH THE ENTIRE ATMOSPHERIC COLUMN OVER CENTRAL FLORIDA. WEST TO EAST FLOW WILL ALSO DELAY THE START OF THE EAST COAST SEA BREEZE UNTIL MID/LATE AFTERNOON AND KEEP MOST OF THE AFTERNOON STORMS AND SHOWERS OVER THE EASTERN HALF...LAKE GEORGE TO LAKE OKEECHOBEE AND EAST...OF THE FORECAST AREA... JUST SOME "HOUSEKEEPING" NEEDED FOR THE MORNING ZONES UPDATE. PREVIOUS DAYS 2 THROUGH 7 DISCUSSION SUN-MON...THE LOW-LEVEL RIDGE AXIS REMAINS SOUTH & EAST OF EAST CENTRAL FLORIDA. THE GFS/NAM/ECMWF MODELS CONTINUE TO ADVERTISE OUTLANDISHLY HIGH POPS FOR BOTH OF THESE DAYS. GRANTED PRECIPITABLE WATER VALUES WILL BE WELL IN EXCESS OF 2 INCHES...MID-LEVEL TEMPERATURES HAVE REMAINED WARM OF RECENT AND WE STILL HAVE NOT WITNESSED MODEL GUIDANCE COVERAGE FOR SOME TIME. HOWEVER...THE GFS DOES SHOW SLIGHTLY COOLER (-5C/-6C) TEMPERATURES AT 500MB OVER THIS TIME (IF THEY CAN BE BELIEVED). FOR NOW WILL CONTINUE TO STAY SLIGHTLY BELOW MODEL GUIDANCE ON POPS EACH DAY (50%-60%)...BUT STILL ABOVE SEASONAL NORMS. THE SURFACE FLOW STILL LOOKS TO BE MAINLY OUT OF THE SOUTHWEST ON BOTH SUN/MON. THE FAVORED MODEL (ECMWF) SHOWS UPPER LEVEL ENERGY OFF OF THE GEORGIA/SOUTH CAROLINA COAST MOVING EVER SO SLOWLY WESTWARD TOWARD THE NORTHERN FLORIDA PENINSULA. AS THIS OCCURS UPPER RIDGING WILL RE-AMPLIFY ACROSS THE GOMEX AND CENTRAL CONUS VEERING THE 700-500MB FLOW FROM NORTHWESTERLY TO NORTHERLY ON SUN AND NORTHEASTERLY BY MON. HAVE BUMPED UP POPS BOTH SUN/MON OVERNIGHT AS GFS/NAM/ECMWF FAIRLY IN GOOD AGREEMENT FOR ABOVE NORMAL COVERAGE FOR SHOWERY PRECIPITATION OVER THE COASTAL WATERS AND ALONG THE COAST. IF THIS OCCURS MAY HAVE TO WATCH FOR RAIN BANDING NEAR THE COAST (SUN NIGHT)...ESPECIALLY FROM THE CAPE SOUTHWARD...WITH LOW-TOPPED SHOWERS THAT MAY BE FAIRLY EFFICIENT AT PRODUCING PRECIPITATION GIVEN DEEP LAYER MOISTURE PRESENT. MAX TEMPERATURES EXPECTED TO REMAIN ABOVE AVERAGE AND IN THE LOWER 90S ALONG THE COAST AND MIDDLE 90S OVER THE INTERIOR. LOWS REMAIN CONSISTENT AND ABOVE CLIMO IN THE MIDDLE TO UPPER 70S. TUE-FRI...THE TREND IS TO FAVOR THE 12Z/00Z ECMWF REGARDING THE UPPER TROUGHING OVER THE SOUTHEASTERN U.S. DURING THIS PERIOD. THE ECMWF/GFS ARE VERY DIFFERENT FROM ONE ANOTHER WITH THIS FEATURE. THIS FEATURE IN THE VICINITY OF THE GEORGIA/FLORIDA BORDER EARLY IN THE PERIOD CONTINUES TO SLOWLY RETROGRADE THIS ASSOCIATED ENERGY ACROSS THE GULF COAST STATES THROUGH THE END OF THE WORK-WEEK. THE SURFACE PRESSURE GRADIENT WILL CONTINUE TO REMAIN WEAK OVER THE REGION THRU THIS TIMEFRAME. WILL KEEP SCATTERED SHOWER/STORM CHANCES IN THE GRIDS/ZONES EACH AFTERNOON/EARLY EVENING. MAXES/MINS WILL CONTINUE A COUPLE/FEW DEGREES ABOVE CLIMO ACROSS EAST CENTRAL FLORIDA. && .AVIATION...SCT MVFR-IFR VSBYS/ MVFR CIGS IN SHRA/TS STARTING AROUND 16Z...BECOMING SCT-NMRS A FEW HRS LATER. ACTIVITY SHOULD LINGER THRU ABOUT 02Z-03Z NR THE EAST COAST. && .MARINE...BUOYS RECORDING SOUTHWEST WINDS AROUND 10 KNOTS AND 2 TO 3 FOOT SEAS WITH PERIODS RANGING FROM 9 TO 13 SECONDS. WINDS CLOSE TO THE BEACHES CAPE CANAVERAL SOUTH MAY SHIFT TO THE SOUTHEAST AS THE EAST COAST SEA BREEZE TRIES TO FORM AND WORK ITS WAY ONTO THE MAINLAND. WESTERLY STEERING FLOW WILL PUSH MID/LATE AFTERNOON AND EVENING STORMS OFF THE MAINLAND AND ONTO THE NEAR SHORE WATERS. THE COMBINATION OF AN APPROACHING NEW MOON ON THE 10TH OF AUGUST... LONG PERIOD SWELLS AND THE ASTRONOMICAL TIDE CYCLE WILL FAVOR AN INCREASED THREAT FOR DANGEROUS RIP CURRENTS AT AREA BEACHES THRU THIS WEEKEND AND EARLY NEXT WEEK. && .MLB WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. && SHORT TERM...WIMMER LONG TERM....MOSES
Hazardous weather outlook, Aug 7, 5:43 AM EDT, 8 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 543 AM EDT SAT AUG 7 2010 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-072000- COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE OUT 20 NM- COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET OUT 20 NM- 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 VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO 60 NM OFFSHORE- WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE- INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA- SOUTHERN LAKE-NORTHERN BREVARD- 543 AM EDT SAT AUG 7 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... DEEP TROPICAL MOISTURE REMAINS IN PLACE OVER CENTRAL FLORIDA AHEAD OF A WEAK LOW PRESSURE TROUGH NORTH OF THE STATE. SCATTERED SHOWERS AND LIGHTNING STORMS ARE EXPECTED TO DEVELOP ALONG AND AHEAD OF THE WEST COAST SEA BREEZE...AS WELL AS AROUND THE LAKE BREEZE NEAR LAKE OKEECHOBEE FROM LATE THIS MORNING INTO THE AFTERNOON. THE ACTIVITY IS EXPECTED TO INCREASE IN COVERAGE AS IT AFFECTS THE INTERIOR COUNTIES BEGINNING IN THE EARLY AFTERNOON...AND THEN OVER THE COASTAL COUNTIES DURING THE LATE AFTERNOON AND EARLY EVENING. THE EAST COAST SEA BREEZE MAY FORM DURING THE LATE AFTERNOON...BUT WILL REMAIN PINNED NEAR THE EAST COAST IF IT DOES. THIS COULD INCREASE THE COVERAGE OF STORMS TOWARD SUNSET NEAR THE COAST SHOULD STORMS APPROACHING FROM THE WEST INTERACT WITH THIS BOUNDARY. THE MAIN STORM THREATS FROM STRONGER STORMS TODAY WILL BE HEAVY RAINFALL OF ONE TO THREE INCHES IN A 60 TO 90 MINUTE PERIOD...FREQUENT LIGHTNING AND GUSTY WINDS. ...RIP CURRENT IMPACT... A SMALL SWELL FROM DISTANT TROPICAL STORM COLIN WILL PRODUCE A MODERATE RISK FOR RIP CURRENTS AT AREA BEACHES TODAY. LOCAL BEACH PATROLS HAVE REPORTED AN INCREASE IN THE NUMBER OF RESCUES OVER THE LAST FEW DAYS. ALWAYS CHECK WITH A LIFEGUARD BEFORE ENTERING THE SURF AND NEVER SWIM ALONE. ...MARINE THUNDERSTORM GUST IMPACT... A FEW WIND GUSTS OF AROUND 35 KNOTS WILL BE POSSIBLE DURING THIS AFTERNOON AND EARLY EVENING OVER INLAND LAKES AND THE INTRACOASTAL AND NEAR SHORE ATLANTIC WATERS. MARINERS SHOULD BE ON THE LOOKOUT FOR STORMS APPROACHING QUICKLY FROM THE WEST...AND SEEK SAFE HARBOR IN ADVANCE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. SCATTERED SHOWERS AND STORMS ARE EXPECTED FROM THROUGH NEXT WEEK AS DEEP MOISTURE IN PLACE OVER THE AREA. COVERAGE IS EXPECTED TO BE HIGHEST ON SUNDAY...AND THERE IS THE POTENTIAL FOR HIGHER RAIN CHANCES BEGINNING AROUND TUESDAY AS SOME LONG RANGE GUIDANCE IS SUGGESTING THAT LOW PRESSURE MAY DEVELOP IN THE EASTERN GULF OF MEXICO. A FEW STRONG STORMS WITH FREQUENT LIGHTNING...GUSTY WINDS AND VERY HEAVY RAINFALL WILL BE THE MAIN THREATS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. HOWEVER...SPOTTERS ARE ASKED TO REPORT ANY RAINFALL AMOUNTS OF TWO INCHES OR GREATER TO THE NATIONAL WEATHER SERVICE IN MELBOURNE. CRISTALDI
In the hours before
Special weather statement, Aug 7, 2:15 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 3:46 PM EDT | Special Marine Warning | MLB | 89 min |
Nearby
Special Weather Statements in Florida, 2010Every special weather statement in 2010
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.