Alert archive / Florida / Wind Chill Advisories in 2012
Wind Chill Advisory 2, NWS Melbourne, FL
NWS Melbourne, FL issued this wind chill advisory at Feb 11, 2012, 4:30 AM EST for 6 counties in Florida. It took effect at Feb 12, 2012, 4:00 AM EST. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Feb 11, 2012, 4:30 AM EST (09:30 UTC)
- In effect from
- Feb 12, 2012, 4:00 AM EST
- Expired
- Feb 12, 2012, 9:00 AM EST
- In force
- 5 hr
- Issued by
- NWS Melbourne, FL
Counties Lake County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 67 km from the middle of the area, began a volume at 09:33 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, 9.5 hours before the alert went out and 139 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
- 507 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
402 WWUS42 KMLB 110930 WSWMLB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 430 AM EST SAT FEB 11 2012 FLZ041-044>047-053-054-058-059-064-141-144-147-121400- /O.NEW.KMLB.WC.Y.0002.120212T0900Z-120212T1400Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA- SOUTHERN LAKE-NORTHERN BREVARD- INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO... SANFORD...MELBOURNE...PALM BAY...KISSIMMEE...ST CLOUD... VERO BEACH...OKEECHOBEE...FORT PIERCE...HOBE SOUND... DAYTONA BEACH...CLERMONT...TITUSVILLE 430 AM EST SAT FEB 11 2012 ...WIND CHILL ADVISORY IN EFFECT FROM 4 AM TO 9 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EST SUNDAY. * NORTHWEST WINDS AROUND 10 TO 15 MPH OVERNIGHT WILL COMBINE WITH CHILLY OVERNIGHT TEMPERATURES TO PRODUCE WIND CHILL VALUES NEAR OR BELOW FREEZING FOR ALL OF EAST CENTRAL FLORIDA. WIND CHILL VALUES WILL RANGE FROM THE UPPER 20S ACROSS THE INTERIOR TO THE LOW 30S ALONG THE COASTAL AREAS OF THE SPACE AND TREASURE COASTS. 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. && $$
1 follow-up statement
087 WWUS42 KMLB 112137 WSWMLB URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 437 PM EST SAT FEB 11 2012 FLZ041-044>047-053-054-058-059-064-141-144-147-121400- /O.CON.KMLB.WC.Y.0002.120212T0900Z-120212T1400Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA- SOUTHERN LAKE-NORTHERN BREVARD- INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO... SANFORD...MELBOURNE...PALM BAY...KISSIMMEE...ST CLOUD... VERO BEACH...OKEECHOBEE...FORT PIERCE...HOBE SOUND... DAYTONA BEACH...CLERMONT...TITUSVILLE 437 PM EST SAT FEB 11 2012 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EST SUNDAY... * NORTHWEST WINDS AROUND 10 TO 15 MPH OVERNIGHT WILL COMBINE WITH CHILLY OVERNIGHT TEMPERATURES TO PRODUCE WIND CHILL VALUES NEAR OR BELOW FREEZING FOR ALL OF EAST CENTRAL FLORIDA. WIND CHILL VALUES WILL RANGE FROM THE LOW TO MID 20S ACROSS THE INTERIOR TO THE LOW 30S ALONG THE COASTAL AREAS OF THE SPACE AND TREASURE COASTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. IF YOU MUST VENTURE OUTDOORS...DRESS WARMLY IN LAYERS AND MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 11:23 PM EST | Special Marine Warning | MLB | 72 min | |
| Feb 11, 3:58 AM EST | Lake Wind Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 14 hr |
| Feb 11, 4:44 AM EST | Small Craft Advisory | MLB | 38 hr | |
| Feb 11, 12:30 PM EST | Freeze Warning | MLB | Lake, Orange, Seminole, Volusia | 21 hr |
| Feb 11, 3:08 PM EST | Fire Weather Watch | MLB | Lake, Orange, Osceola, Seminole, Volusia | 36 hr |
| Feb 11, 3:08 PM EST | Red Flag Warning | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 28 hr |
| Feb 11, 3:21 PM EST | Freeze Watch | MLB | Lake, Orange, Seminole, Volusia | 23 hr |
| Feb 11, 3:41 PM EST | Gale Warning | MLB | 15 hr |
Nearby
Wind Chill Advisories in Florida, 2012Every wind chill advisory in 2012
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.