Alert archive / Florida / Frost Advisories in 2012
Frost Advisory 2, NWS Melbourne, FL
NWS Melbourne, FL issued this frost advisory at Nov 25, 2012, 2:12 PM EST for Lake County, Volusia County, Florida. It took effect at Nov 26, 2012, 3:00 AM EST. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Nov 25, 2012, 2:12 PM EST (19:12 UTC)
- In effect from
- Nov 26, 2012, 3:00 AM EST
- Expired
- Nov 26, 2012, 8:00 AM EST
- In force
- 5 hr
- Issued by
- NWS Melbourne, FL
Counties Lake County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 117 km from the middle of the area, began a volume at 19:12 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, 7.2 hours before the alert went out and 103 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
- 1448 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
363 WWUS72 KMLB 251912 NPWMLB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 212 PM EST SUN NOV 25 2012 FLZ041-044-141-144-261300- /O.NEW.KMLB.FR.Y.0002.121126T0800Z-121126T1300Z/ INLAND VOLUSIA-NORTHERN LAKE-COASTAL VOLUSIA-SOUTHERN LAKE- INCLUDING THE CITIES OF...DE LAND...LEESBURG...DAYTONA BEACH... CLERMONT 212 PM EST SUN NOV 25 2012 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EST MONDAY. * TEMPERATURE...CLEAR SKIES AND CALM WINDS WILL ALLOW TEMPERATURES TO FALL TO THEIR DEWPOINTS IN THE MID TO UPPER 30S ACROSS MUCH OF LAKE AND VOLUSIA COUNTIES TONIGHT. * IMPACTS...WHERE TEMPERATURES FALL INTO THE MID AND UPPER 30S... AREAS OF FROST ARE EXPECTED TO FORM EARLY MONDAY MORNING. THE BEST CHANCE FOR FROST SHOULD OCCUR FROM PIERSON AND DE LAND... TO UMATILLA...THE VILLAGES...OKAHUMPKA AND MASCOTTE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ KELLY
1 follow-up statement
420 WWUS72 KMLB 261307 NPWMLB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 807 AM EST MON NOV 26 2012 FLZ041-044-141-144-261415- /O.EXP.KMLB.FR.Y.0002.000000T0000Z-121126T1300Z/ INLAND VOLUSIA-NORTHERN LAKE-COASTAL VOLUSIA-SOUTHERN LAKE- INCLUDING THE CITIES OF...DE LAND...LEESBURG...DAYTONA BEACH... CLERMONT 807 AM EST MON NOV 26 2012 ...FROST ADVISORY HAS EXPIRED... TEMPERATURES HAVE WARMED INTO THE UPPER 40S ACROSS THE ADVISORY AREA. THUS THE ADVISORY HAS BEEN ALLOWED TO EXPIRE. $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 25, 2:39 AM EST | Rip Current Statement | MLB | Volusia | 16 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; radar from the NEXRAD Level II archive.