Alert archive / Florida / Wind Chill Advisories in 2010
Wind Chill Advisory 13, NWS Melbourne, FL
NWS Melbourne, FL issued this wind chill advisory at Feb 24, 2010, 4:16 AM EST for 5 counties in Florida. It took effect at Feb 25, 2010, 2:00 AM EST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Feb 24, 2010, 4:16 AM EST (09:16 UTC)
- In effect from
- Feb 25, 2010, 2:00 AM EST
- Expired
- Feb 25, 2010, 9:00 AM EST
- In force
- 7 hr
- Issued by
- NWS Melbourne, FL
Counties Lake County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 86 km from the middle of the area, began a volume at 09:16 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 00:00Z, 9.3 hours before the alert went out and 81 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1089 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
930 WWUS42 KMLB 240917 WSWMLB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 416 AM EST WED FEB 24 2010 ...COLD WIND CHILLS EXPECTED ACROSS EAST CENTRAL FLORIDA OVERNIGHT... FLZ041-044>047-053-141-144-147-251400- /O.NEW.KMLB.WC.Y.0013.100225T0700Z-100225T1400Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-COASTAL VOLUSIA-SOUTHERN LAKE-NORTHERN BREVARD- INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO... SANFORD...MELBOURNE...PALM BAY...KISSIMMEE...ST CLOUD... DAYTONA BEACH...CLERMONT...TITUSVILLE 416 AM EST WED FEB 24 2010 ...WIND CHILL ADVISORY IN EFFECT FROM 2 AM TO 9 AM EST THURSDAY... TEMPERATURES WILL QUICKLY FALL OVERNIGHT BEHIND A STRONG COLD FRONT CROSSING CENTRAL FLORIDA. LOWS ARE EXPECTED IN THE MIDDLE TO UPPER 30S OVER NORTHERN LAKE AND VOLUSIA COUNTIES. FURTHER SOUTH LOWS ARE EXPECTED TO REACH THE LOWER 40S TO NEAR 4O DEGREES. THESE TEMPERATURES COMBINED WITH NORTHWEST WINDS AROUND 15 MPH AND GUSTY...WILL CREATE WIND CHILL VALUES IN THE UPPER 20S TO LOWER 30S LATE TONIGHT THROUGH THE EARLY MORNING HOURS THURSDAY OVER NORTHERN LAKE AND VOLUSIA COUNTIES. FURTHER SOUTH...WIND CHILL VALUES ARE EXPECTED IN THE MIDDLE 30S FOR A FEW TO SEVERAL HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. IF YOU MUST VENTURE OUTDOORS....DRESS WARMLY IN LAYERS AND MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ SEDLOCK
2 follow-up statements
930 WWUS42 KMLB 250827 WSWMLB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 327 AM EST THU FEB 25 2010 ...COLD WIND CHILLS EXPECTED ACROSS EAST CENTRAL FLORIDA EARLY THIS MORNING... FLZ041-044>047-053-141-144-147-251400- /O.CON.KMLB.WC.Y.0013.000000T0000Z-100225T1400Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-COASTAL VOLUSIA-SOUTHERN LAKE-NORTHERN BREVARD- INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO... SANFORD...MELBOURNE...PALM BAY...KISSIMMEE...ST CLOUD... DAYTONA BEACH...CLERMONT...TITUSVILLE 327 AM EST THU FEB 25 2010 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... EARLY MORNING TEMPERATURES IN THE MIDDLE TO UPPER 30S OVER NORTHERN LAKE AND VOLUSIA COUNTIES...COMBINED WITH GUSTY NORTHWEST WINDS...WILL CREATE WIND CHILL VALUES IN THE UPPER 20S TO LOWER 30S. FURTHER SOUTH...EARLY MORNING TEMPERATURES WILL BE IN THE LOWER 40S TO NEAR 4O DEGREES...AND CREATE WIND CHILL VALUES IN THE MIDDLE 30S FOR A FEW HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. IF YOU MUST VENTURE OUTDOORS....DRESS WARMLY IN LAYERS AND MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ SEDLOCK
558 WWUS42 KMLB 251404 WSWMLB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 904 AM EST THU FEB 25 2010 FLZ041-044>047-053-141-144-147-251515- /O.EXP.KMLB.WC.Y.0013.000000T0000Z-100225T1400Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-COASTAL VOLUSIA-SOUTHERN LAKE-NORTHERN BREVARD- INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO... SANFORD...MELBOURNE...PALM BAY...KISSIMMEE...ST CLOUD... DAYTONA BEACH...CLERMONT...TITUSVILLE 904 AM EST THU FEB 25 2010 ...WIND CHILL ADVISORY EXPIRED AT 9 AM EST THIS MORNING... ALTHOUGH THE WIND CHILL ADVISORY EXPIRED AT 9 AM EST...NORTHWEST WINDS AT 15 TO 20 MPH AND TEMPERATURES IN THE 40S WILL MAKE IT FEEL QUITE CHILLY THE REST OF THE MORNING. $$ 67
What forecasters said that day
The local office's own words before this wind chill advisory 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 wind chill advisory went out at Feb 23, 9:31 PM EST, 6 hours 45 minutes earlier.
Area forecast discussion, Feb 23, 9:31 PM EST, 6 hours 45 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
931 PM EST TUE FEB 23 2010
.DISCUSSION...
00Z XMR SOUNDING SHOWS A DRY POST FRONTAL AIRMASS...HOWEVER THIS
WILL BE SHORT LIVED DUE TO RAPID UPSTREAM EVOLUTION OF NEXT APCHG
GULF SYSTEM FOR WEDNESDAY. SOME HIGHER CLOUDS WILL MOVE IN FROM THE
SOUTHWEST OVERNIGHT WITH AREAS OF FOG LIKELY BY DAYBREAK ACROSS THE
AREA. VISIBILITY NOT EXPECTED TO BE HAZARDOUS OVER LARGE AREAS
HOWEVER. THE FORECAST OVERNIGHT IS IN GOOD SHAPE AND NO UPDATES ARE
PLANNED.
&&
.AVIATION...
AREAS OF MVFR FOG AFTER 06Z. WITH LCL IFR CONDS AFT 09Z THROUGH 13Z
VFR AGAIN AFTER 13/14Z WEDNESDAY WITH RE-DEVELOPMENT OF SCT PCPN BY
EARLY AFTERNOON AND CIG/VSBY ISSUES ASCD WITH SHOWERS AND STORMS
THROUGH EVENING.
&&
.MARINE...VARIABLE WINDS 10 KNOTS OR LESS OVERNIGHT WITH A TENDENCY
TOWARD DEVELOPMENT OF SOUTH TO SOUTHEAST WINDS EARLY WED THEN
RAPIDLY INCREASING NORTH TO NORTHWEST WINDS AFTER PASSAGE OF THE
COLD FRONT AND ADVISORY CONDITIONS LATE WEDNESDAY.
&&
.MLB WATCHES/WARNINGS/ADVISORIES...
FL...FIRE WEATHER WATCH FROM THURSDAY MORNING THROUGH THURSDAY
AFTERNOON FOR COASTAL VOLUSIA-INDIAN RIVER-INLAND VOLUSIA-
MARTIN-NORTHERN BREVARD-NORTHERN LAKE-OKEECHOBEE-ORANGE-
OSCEOLA-SEMINOLE-SOUTHERN BREVARD-SOUTHERN LAKE-ST. LUCIE.
AM...SMALL CRAFT ADVISORY FROM 7 PM WEDNESDAY TO 4 PM EST THURSDAY
FOR COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD
COUNTY LINE OUT 20 NM-COASTAL WATERS FROM SEBASTIAN INLET
TO JUPITER INLET OUT 20 NM-COASTAL WATERS FROM VOLUSIA
BREVARD COUNTY LINE TO SEBASTIAN INLET OUT 20 NM.
SMALL CRAFT ADVISORY FROM 7 PM WEDNESDAY TO 4 AM EST FRIDAY FOR
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.
&&
JPHazardous weather outlook, Feb 23, 4:25 AM EST, 23 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 425 AM EST TUE FEB 23 2010 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-232200- 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- 425 AM EST TUE FEB 23 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...RIP CURRENT IMPACT... A SMALL LONG PERIOD SWELL WILL BRING AN ELEVATED RIP CURRENT RISK TODAY. CHECK WITH BEACH PATROLS BEFORE VENTURING INTO THE COOL SURF TODAY AND ONLY SWIM WHERE A LIFEGUARD IS PRESENT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. AN APPROACHING UPPER LEVEL DISTURBANCE AND LINGERING MOISTURE WILL BRING A CHANCE FOR SHOWERS AND A FEW STORMS BACK INTO THE AREA ON WEDNESDAY AFTERNOON...ESPECIALLY FROM AROUND CAPE CANAVERAL SOUTHWARD. BOATING CONDITIONS WILL BEGIN TO DETERIORATE BY LATE WEDNESDAY AHEAD OF A STRONGER COLD FRONT THAT WILL PUSH THROUGH WEDNESDAY NIGHT. WINDS AND SEAS WILL REMAIN ELEVATED THROUGH THURSDAY NIGHT. A MUCH COOLER AND DRIER AIR MASS WILL SPREAD OVER THE REGION BEHIND THE COLD FRONT FOR THURSDAY AND FRIDAY. WIND CHILL READINGS IN THE 30S ARE POSSIBLE TOWARDS DAWN THURSDAY MORNING FROM SOUTH BREVARD COUNTY NORTHWARD. SOME LOW TEMPERATURES IN THE 30S CAN BE EXPECTED NORTH OF I-4 THURSDAY MORNING AND ACROSS MUCH OF EAST CENTRAL FLORIDA FOR FRIDAY MORNING. THERE WILL BE HEIGHTENED FIRE SENSITIVITY BOTH THURSDAY AND FRIDAY FOR LONG DURATION LOW RELATIVE HUMIDITY VALUES. NORTHWEST WINDS WILL ALSO BE GUSTY ON THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. GLITTO
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 4:14 AM EST | Gale Watch | MLB | 11 hr | |
| Feb 24, 4:14 AM EST | Small Craft Advisory | MLB | 48 hr | |
| Feb 24, 5:13 AM EST | Fire Weather Watch | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 23 hr |
| Feb 24, 5:13 AM EST | Red Flag Warning | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 37 hr |
| Feb 24, 11:04 AM EST | Special Marine Warning | MLB | 86 min | |
| Feb 24, 12:05 PM EST | Severe Thunderstorm Warning | MLB | Martin | 55 min |
| Feb 24, 12:27 PM EST | Special Marine Warning | MLB | 2 hr | |
| Feb 24, 12:39 PM EST | Severe Thunderstorm Warning | MLB | Martin, Saint Lucie | 21 min |
| Feb 24, 2:54 PM EST | Freeze Watch | MLB | Lake, Volusia | 13 hr |
| Feb 24, 2:58 PM EST | Gale Warning | MLB | 22 hr | |
| Feb 24, 3:00 PM EST | Special Marine Warning | MLB | 60 min | |
| Feb 24, 3:08 PM EST | Severe Thunderstorm Warning | MLB | Martin | 37 min |
| Feb 24, 3:50 PM EST | Special Marine Warning | MLB | 55 min |
Nearby
Wind Chill Advisories in Florida, 2010Every wind chill advisory 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.