Alert archive / Florida / Freeze Warnings in 2012
Freeze Warning 4, NWS Melbourne, FL
NWS Melbourne, FL issued this freeze warning at Feb 11, 2012, 12:30 PM EST for 4 counties in Florida. It took effect at Feb 12, 2012, 4:00 AM EST. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 11, 2012, 12:30 PM EST (17:30 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, Orange County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 100 km from the middle of the area, began a volume at 17:30 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, 5.5 hours before the alert went out and 90 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
- 542 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
605 WWUS72 KMLB 111730 NPWMLB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 1230 PM EST SAT FEB 11 2012 FLZ041-044>046-141-144-112300- /O.NEW.KMLB.FZ.W.0004.120212T0900Z-120212T1400Z/ /O.CON.KMLB.LW.Y.0003.000000T0000Z-120211T2300Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-COASTAL VOLUSIA- SOUTHERN LAKE- INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO... SANFORD...DAYTONA BEACH...CLERMONT 1230 PM EST SAT FEB 11 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... ...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EST SUNDAY. * TIMING...ARCTIC HIGH PRESSURE WILL BUILD SOUTHWARD OVER EAST CENTRAL FLORIDA TONIGHT AND BRING FREEZING TEMPERATURES TO LAKE...VOLUSIA...SEMINOLE AND ORANGE COUNTIES. UP TO 5 HOURS OF FREEZING TEMPERATURES ARE EXPECTED. LOW TEMPERATURES WILL DIP INTO THE UPPER 20S ACROSS PORTIONS OF LAKE AND NORTHWEST VOLUSIA COUNTIES...LOWER 30S ELSEWHERE IN THE WARNING AREA. URBANIZED AREAS SUCH AS ORLANDO MAY REMAIN JUST ABOVE FREEZING OR HIT FREEZING ONLY BRIEFLY. * IMPACTS...THE FREEZING TEMPERATURES WILL CAUSE DAMAGE TO COLD SENSITIVE PLANTS AND VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ FLZ047-053-054-058-059-064-147-112300- /O.CON.KMLB.LW.Y.0003.000000T0000Z-120211T2300Z/ SOUTHERN BREVARD-OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN- NORTHERN BREVARD- INCLUDING THE CITIES OF...MELBOURNE...PALM BAY...KISSIMMEE... ST CLOUD...VERO BEACH...OKEECHOBEE...FORT PIERCE...HOBE SOUND... TITUSVILLE 1230 PM EST SAT FEB 11 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * TIMING...NORTHWEST WINDS OF 15 TO 20 MPH WITH GUSTS OF 25 TO 30 MPH CAN BE EXPECTED THROUGH LATE AFTERNOON. * IMPACTS...THESE WINDS WILL MAKE OPEN WATERS ON THE INTRACOASTAL WATERS AND INLAND LAKES VERY CHOPPY...WHICH CAN TIP OR SWAMP SMALL CRAFT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. && $$ KELLY
3 follow-up statements
172 WWUS72 KMLB 112021 NPWMLB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 321 PM EST SAT FEB 11 2012 FLZ041-044>046-141-144-112300- /O.NEW.KMLB.FZ.A.0003.120213T0900Z-120213T1400Z/ /O.CON.KMLB.FZ.W.0004.120212T0900Z-120212T1400Z/ /O.CON.KMLB.LW.Y.0003.000000T0000Z-120211T2300Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-COASTAL VOLUSIA- SOUTHERN LAKE- INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO... SANFORD...DAYTONA BEACH...CLERMONT 321 PM EST SAT FEB 11 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM EST SUNDAY... ...FREEZE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FREEZE WATCH...WHICH IS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING. * TIMING...ARCTIC HIGH PRESSURE WILL BUILD SOUTHWARD OVER EAST CENTRAL FLORIDA TONIGHT AND BRING FREEZING TEMPERATURES TO LAKE...VOLUSIA...SEMINOLE AND ORANGE COUNTIES. UP TO 5 HOURS OF FREEZING TEMPERATURES ARE EXPECTED. LOW TEMPERATURES WILL DIP INTO THE UPPER 20S ACROSS PORTIONS OF LAKE AND NORTHWEST VOLUSIA COUNTIES...LOWER 30S ELSEWHERE IN THE WARNING AREA. URBANIZED AREAS SUCH AS ORLANDO MAY REMAIN JUST ABOVE FREEZING OR HIT FREEZING ONLY BRIEFLY. FREEZING TEMPERATURES ARE POSSIBLE AGAIN MONDAY MORNING. * IMPACTS...THE FREEZING TEMPERATURES WILL CAUSE DAMAGE TO COLD SENSITIVE PLANTS AND VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ FLZ047-053-054-058-059-064-147-112300- /O.CON.KMLB.LW.Y.0003.000000T0000Z-120211T2300Z/ SOUTHERN BREVARD-OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN- NORTHERN BREVARD- INCLUDING THE CITIES OF...MELBOURNE...PALM BAY...KISSIMMEE... ST CLOUD...VERO BEACH...OKEECHOBEE...FORT PIERCE...HOBE SOUND... TITUSVILLE 321 PM EST SAT FEB 11 2012 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... * TIMING...NORTHWEST WINDS OF 15 TO 20 MPH WITH GUSTS OF 25 TO 30 MPH CAN BE EXPECTED THROUGH LATE AFTERNOON. * IMPACTS...THESE WINDS WILL MAKE OPEN WATERS ON THE INTRACOASTAL WATERS AND INLAND LAKES VERY CHOPPY...WHICH CAN TIP OR SWAMP SMALL CRAFT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING. && $$ KELLY
397 WWUS72 KMLB 112251 NPWMLB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 551 PM EST SAT FEB 11 2012 FLZ041-044>046-141-144-121300- /O.EXP.KMLB.LW.Y.0003.000000T0000Z-120211T2300Z/ /O.CON.KMLB.FZ.W.0004.120212T0900Z-120212T1400Z/ /O.CON.KMLB.FZ.A.0003.120213T0900Z-120213T1400Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-COASTAL VOLUSIA- SOUTHERN LAKE- INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO... SANFORD...DAYTONA BEACH...CLERMONT 551 PM EST SAT FEB 11 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM EST SUNDAY... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING... * TIMING...ARCTIC HIGH PRESSURE WILL BUILD SOUTHWARD OVER EAST CENTRAL FLORIDA TONIGHT AND BRING FREEZING TEMPERATURES TO LAKE...VOLUSIA...SEMINOLE AND ORANGE COUNTIES. UP TO 5 HOURS OF FREEZING TEMPERATURES ARE EXPECTED. LOW TEMPERATURES WILL DIP INTO THE UPPER 20S ACROSS PORTIONS OF LAKE AND NORTHWEST VOLUSIA COUNTIES...LOWER 30S ELSEWHERE IN THE WARNING AREA. URBANIZED AREAS SUCH AS ORLANDO MAY REMAIN JUST ABOVE FREEZING OR HIT FREEZING ONLY BRIEFLY. FREEZING TEMPERATURES ARE POSSIBLE AGAIN MONDAY MORNING. * IMPACTS...THE FREEZING TEMPERATURES WILL CAUSE DAMAGE TO COLD SENSITIVE PLANTS AND VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ FLZ047-053-054-058-059-064-147-120000- /O.EXP.KMLB.LW.Y.0003.000000T0000Z-120211T2300Z/ SOUTHERN BREVARD-OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN- NORTHERN BREVARD- INCLUDING THE CITIES OF...MELBOURNE...PALM BAY...KISSIMMEE... ST CLOUD...VERO BEACH...OKEECHOBEE...FORT PIERCE...HOBE SOUND... TITUSVILLE 551 PM EST SAT FEB 11 2012 ...LAKE WIND ADVISORY WILL EXPIRE AT 6 PM EST THIS EVENING... WIND GUSTS ASSOCIATED WITH A COLD FRONTAL PASSAGE WILL DECREASE TO BELOW ADVISORY THRESHOLDS THROUGH THIS EVENING. BOATERS SHOULD REMAIN CAUTIOUS ON AREA LAKES FOR THE REST OF THE EVENING AS GUSTS WILL BE SLOW TO DECREASE AND SUSTAINED WINDS WILL REMAIN ELEVATED. $$
811 WWUS72 KMLB 120910 NPWMLB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 410 AM EST SUN FEB 12 2012 FLZ041-044>046-141-144-121300- /O.CON.KMLB.FZ.W.0004.000000T0000Z-120212T1400Z/ /O.CON.KMLB.FZ.A.0003.120213T0900Z-120213T1400Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-COASTAL VOLUSIA- SOUTHERN LAKE- INCLUDING THE CITIES OF...DE LAND...LEESBURG...ORLANDO... SANFORD...DAYTONA BEACH...CLERMONT 410 AM EST SUN FEB 12 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY MORNING... * TIMING...ARCTIC HIGH PRESSURE BUILDING ACROSS THE DEEP SOUTH WILL KEEP A VERY COLD AIRMASS OVER EAST CENTRAL FLORIDA INTO MONDAY MORNING. NEAR FREEZING TEMPERATURES IN THE MID TO UPPER 30S ARE OCCURRING THIS MORNING ACROSS LAKE...VOLUSIA...SEMINOLE AND ORANGE COUNTIES AND TEMPERATURES ARE EXPECTED TO DROP SEVERAL DEGREES TO BELOW FREEZING ACROSS MOST OF THE WARNED AREA BEFORE SUNRISE THIS MORNING. URBANIZED AREAS SUCH AS ORLANDO ARE EXPECTED TO REMAIN JUST ABOVE FREEZING THIS MORNING. FREEZING TEMPERATURES ARE EXPECTED AGAIN MONDAY MORNING. * IMPACTS...THE FREEZING TEMPERATURES WILL CAUSE DAMAGE TO COLD SENSITIVE PLANTS AND VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
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, 4:30 AM EST | Wind Chill Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 29 hr |
| Feb 11, 4:44 AM EST | Small Craft Advisory | MLB | 38 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
Freeze Warnings in Florida, 2012Every freeze warning 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.