Alert archive / Florida / Frost Advisories in 2012
Frost Advisory 3, NWS Melbourne, FL
NWS Melbourne, FL issued this frost advisory at Dec 22, 2012, 1:26 PM EST for 4 counties in Florida. It took effect at Dec 23, 2012, 2:00 AM EST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Dec 22, 2012, 1:26 PM EST (18:26 UTC)
- In effect from
- Dec 23, 2012, 2:00 AM EST
- Expired
- Dec 23, 2012, 8:00 AM EST
- In force
- 6 hr
- Issued by
- NWS Melbourne, FL
Counties Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 6.4 hours before the alert went out and 71 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
- 2674 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- -44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
690 WWUS72 KMLB 221826 NPWMLB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 126 PM EST SAT DEC 22 2012 FLZ041-044-058-144-231300- /O.UPG.KMLB.FZ.A.0004.121223T0800Z-121223T1300Z/ /O.NEW.KMLB.FZ.W.0007.121223T0700Z-121223T1300Z/ INLAND VOLUSIA-NORTHERN LAKE-OKEECHOBEE-SOUTHERN LAKE- INCLUDING THE CITIES OF...DE LAND...LEESBURG...OKEECHOBEE... CLERMONT 126 PM EST SAT DEC 22 2012 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EST SUNDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * TEMPERATURE...COLD AIR WILL PRODUCE TEMPERATURES AROUND FREEZING OVER LOW SPOTS AND TRADITIONALLY COLDER LOCATIONS EARLY SUNDAY. LIGHT TO CALM WINDS AND MOSTLY CLEAR SKIES WILL CREATE A GREATER POTENTIAL FOR WIDESPREAD FREEZING TEMPERATURES FROM LATE TONIGHT THROUGH EARLY SUNDAY MORNING. * IMPACTS...COLD SENSITIVE PLANTS SHOULD BE COVERED OR BROUGHT INDOORS IN ADVANCE OF FREEZING TEMPERATURES. PETS SHOULD ALSO BE BROUGHT INDOORS. WIDESPREAD FROST IS ALSO LIKELY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ FLZ045>047-053-054-059-064-141-147-231300- /O.NEW.KMLB.FR.Y.0003.121223T0700Z-121223T1300Z/ ORANGE-SEMINOLE-SOUTHERN BREVARD-OSCEOLA-INDIAN RIVER-ST. LUCIE- MARTIN-COASTAL VOLUSIA-NORTHERN BREVARD- INCLUDING THE CITIES OF...ORLANDO...SANFORD...MELBOURNE... PALM BAY...KISSIMMEE...ST CLOUD...VERO BEACH...FORT PIERCE... HOBE SOUND...DAYTONA BEACH...TITUSVILLE 126 PM EST SAT DEC 22 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EST SUNDAY. * TEMPERATURE...TEMPERATURE READINGS IN THE LOWER TO MID 30S ALONG WITH MOSTLY CLEAR SKIES AND LIGHT TO CALM WIND WILL LEAD TO AREAS OF FROST LATE TONIGHT AND SUNDAY MORNING. * IMPACTS...SENSITIVE PLANTS MAY NEED TO BE COVERED OR IF POSSIBLE BROUGHT INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS LIKELY. SENSITIVE OUTDOOR PLANTS MAY BE KILLED OR DAMAGED IF LEFT UNCOVERED. && $$ JP
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 3:51 AM EST | Freeze Watch | MLB | Lake, Okeechobee, Volusia | 10 hr |
| Dec 22, 1:26 PM EST | Freeze Warning | MLB | Lake, Okeechobee, Volusia | 19 hr |
Nearby
Frost Advisories in Florida, 2012Every frost 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.