Alert archive / Florida / Frost Advisories in 2012
Frost Advisory 3, NWS Miami, FL
NWS Miami, FL issued this frost advisory at Dec 22, 2012, 1:53 PM EST for 7 counties in Florida. It took effect at Dec 23, 2012, 1:00 AM EST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Dec 22, 2012, 1:53 PM EST (18:53 UTC)
- In effect from
- Dec 23, 2012, 1:00 AM EST
- Expired
- Dec 23, 2012, 7:05 AM EST
- In force
- 6 hr
- Issued by
- NWS Miami, FL
Counties Broward County, FL, Collier County, FL, Glades County, FL, Hendry County, FL, Miami-Dade County, FL, Monroe County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 82 km from the middle of the area, began a volume at 18:59 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
Miami, FL (KMFL), launched 12:00Z, 6.9 hours before the alert went out and 73 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
- 2379 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -149 m²/s²
- 0-3 km storm-relative helicity
- -138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
642 WWUS72 KMFL 221853 NPWMFL URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 153 PM EST SAT DEC 22 2012 FLZ063-066-231400- /O.UPG.KMFL.FZ.A.0005.121223T0700Z-121223T1400Z/ /O.NEW.KMFL.FR.Y.0003.121223T0700Z-121223T1400Z/ GLADES-HENDRY- INCLUDING THE CITIES OF...MOORE HAVEN...CLEWISTON 153 PM EST SAT DEC 22 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * TEMPERATURE...TEMPERATURES ARE EXPECTED TO BE IN THE MID TO UPPER 30S TONIGHT WITH NEAR FREEZING TEMPERATURES POSSIBLE IN ISOLATED LOCATIONS. * IMPACTS...POTENTIAL DAMAGE TO CROPS AND OTHER SENSITIVE VEGETATION AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ FLZ067-070-231400- /O.NEW.KMFL.FR.Y.0003.121223T0700Z-121223T1400Z/ INLAND PALM BEACH-INLAND COLLIER- INCLUDING THE CITIES OF...PAHOKEE...SOUTH BAY...BELLE GLADE... WELLINGTON...IMMOKALEE 153 PM EST SAT DEC 22 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY. * TEMPERATURE...TEMPERATURES ARE EXPECTED TO BE IN THE MID TO UPPER 30S TONIGHT WITH NEAR FREEZING TEMPERATURES POSSIBLE IN ISOLATED LOCATIONS. * IMPACTS...POTENTIAL DAMAGE TO CROPS AND OTHER SENSITIVE VEGETATION AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
3 follow-up statements
955 WWUS72 KMFL 230003 NPWMFL URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 703 PM EST SAT DEC 22 2012 FLZ063-066-067-231400- /O.UPG.KMFL.FR.Y.0003.121223T0700Z-121223T1400Z/ /O.NEW.KMFL.FZ.W.0005.121223T0700Z-121223T1400Z/ GLADES-HENDRY-INLAND PALM BEACH- INCLUDING THE CITIES OF...MOORE HAVEN...CLEWISTON...PAHOKEE... SOUTH BAY...BELLE GLADE...WELLINGTON 703 PM EST SAT DEC 22 2012 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY. THE FROST ADVISORY IS NO LONGER IN EFFECT. * TEMPERATURE...TEMPERATURES ARE CURRENTLY IN THE MID TO UPPER 40S EARLY THIS EVENING. THE TEMPERATURES ARE EXPECTED TO FALL TO NEAR OR JUST BELOW FREEZING LATE TONIGHT INTO EARLY SUNDAY MORNING...AS THE CENTER OF THE HIGH MOVES OVERHEAD FROM THE GULF OF MEXICO. * IMPACTS...POTENTIAL DAMAGE TO CROPS AND OTHER SENSITIVE VEGETATION AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS TEMPERATURES OF 32 DEGREES OR LOWER ARE IMMINENT OR HIGHLY LIKELY...FOR ANY DURATION OF TIME. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ FLZ071-073-075-231400- /O.EXB.KMFL.FR.Y.0003.121223T0600Z-121223T1400Z/ INLAND BROWARD-INLAND MIAMI DADE-MAINLAND MONROE- 703 PM EST SAT DEC 22 2012 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 9 AM EST SUNDAY. * TEMPERATURE...TEMPERATURES ARE EXPECTED TO BE IN THE MID TO UPPER 30S LATE TONIGHT INTO EARLY SUNDAY MORNING. * IMPACTS...POTENTIAL DAMAGE TO CROPS AND OTHER SENSITIVE VEGETATION AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ FLZ070-231400- /O.EXT.KMFL.FR.Y.0003.121223T0600Z-121223T1400Z/ INLAND COLLIER- INCLUDING THE CITY OF...IMMOKALEE 703 PM EST SAT DEC 22 2012 ...FROST ADVISORY NOW IN EFFECT FROM 1 AM TO 9 AM EST SUNDAY... * TEMPERATURE...TEMPERATURES ARE EXPECTED TO BE IN THE MID TO UPPER 30S LATE TONIGHT INTO EARLY SUNDAY MORNING. * IMPACTS...POTENTIAL DAMAGE TO CROPS AND OTHER SENSITIVE VEGETATION AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ BNB/CD
063 WWUS72 KMFL 230129 NPWMFL URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 829 PM EST SAT DEC 22 2012 FLZ070-071-231400- /O.UPG.KMFL.FR.Y.0003.121223T0600Z-121223T1400Z/ /O.EXA.KMFL.FZ.W.0005.121223T0700Z-121223T1400Z/ INLAND COLLIER-INLAND BROWARD- INCLUDING THE CITY OF...IMMOKALEE 829 PM EST SAT DEC 22 2012 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY. THE FROST ADVISORY IS NO LONGER IN EFFECT. * TEMPERATURE...TEMPERATURES CONTINUE TO DROP THIS EVENING INTO THE UPPER 30S TO LOWER 40S OVER MOST OF THE NORTHERN INTERIOR AREAS OF SOUTH FLORIDA. THE TEMPERATURES WILL CONTINUE TO FALL TO NEAR OR JUST BELOW FREEZING LATE TONIGHT INTO EARLY SUNDAY MORNING...AS THE CENTER OF THE HIGH MOVES OVERHEAD FROM THE GULF OF MEXICO. * IMPACTS...POTENTIAL DAMAGE TO CROPS AND OTHER SENSITIVE VEGETATION AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS TEMPERATURES OF 32 DEGREES OR LOWER ARE IMMINENT OR HIGHLY LIKELY...FOR ANY DURATION OF TIME. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ FLZ063-066-067-231400- /O.CON.KMFL.FZ.W.0005.121223T0700Z-121223T1400Z/ GLADES-HENDRY-INLAND PALM BEACH- INCLUDING THE CITIES OF...MOORE HAVEN...CLEWISTON...PAHOKEE... SOUTH BAY...BELLE GLADE...WELLINGTON 829 PM EST SAT DEC 22 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY... * TEMPERATURE...TEMPERATURES CONTINUE TO DROP THIS EVENING INTO THE UPPER 30S TO LOWER 40S OVER MOST OF THE NORTHERN INTERIOR AREAS OF SOUTH FLORIDA. THE TEMPERATURES WILL CONTINUE TO FALL TO NEAR OR JUST BELOW FREEZING LATE TONIGHT INTO EARLY SUNDAY MORNING...AS THE CENTER OF THE HIGH MOVES OVERHEAD FROM THE GULF OF MEXICO. * IMPACTS...POTENTIAL DAMAGE TO CROPS AND OTHER SENSITIVE VEGETATION AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS TEMPERATURES OF 32 DEGREES OR LOWER ARE IMMINENT OR HIGHLY LIKELY...FOR ANY DURATION OF TIME. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ FLZ174-231400- /O.EXB.KMFL.FR.Y.0003.121223T0700Z-121223T1400Z/ FAR SOUTH MIAMI DADE- 829 PM EST SAT DEC 22 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY. * TEMPERATURE...TEMPERATURES ARE EXPECTED TO BE IN THE MID TO UPPER 30S LATE TONIGHT INTO EARLY SUNDAY MORNING. * IMPACTS...POTENTIAL DAMAGE TO CROPS AND OTHER SENSITIVE VEGETATION AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ FLZ073-075-231400- /O.EXT.KMFL.FR.Y.0003.121223T0700Z-121223T1400Z/ INLAND MIAMI DADE-MAINLAND MONROE- 829 PM EST SAT DEC 22 2012 ...FROST ADVISORY NOW IN EFFECT FROM 2 AM TO 9 AM EST SUNDAY... * TEMPERATURE...TEMPERATURES ARE EXPECTED TO BE IN THE MID TO UPPER 30S LATE TONIGHT INTO EARLY SUNDAY MORNING. * IMPACTS...POTENTIAL DAMAGE TO CROPS AND OTHER SENSITIVE VEGETATION AND PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ BNB/CD
903 WWUS72 KMFL 231205 NPWMFL URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MIAMI FL 705 AM EST SUN DEC 23 2012 ...FREEZE WARNING CANCELED... FLZ063-066-067-070-071-231315- /O.CAN.KMFL.FZ.W.0005.000000T0000Z-121223T1400Z/ GLADES-HENDRY-INLAND PALM BEACH-INLAND COLLIER-INLAND BROWARD- INCLUDING THE CITIES OF...MOORE HAVEN...CLEWISTON...PAHOKEE... SOUTH BAY...BELLE GLADE...WELLINGTON...IMMOKALEE 705 AM EST SUN DEC 23 2012 ...FREEZE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MIAMI HAS CAN CELLED THE FREEZE WARNING. HIGH CLOUDS MOVING OVER SOUTH FLORIDA HAS ALLOWED TEMPERATURES TO CREEP ABOVE FREEZING. $$ FLZ073-075-174-231315- /O.CAN.KMFL.FR.Y.0003.000000T0000Z-121223T1400Z/ INLAND MIAMI DADE-MAINLAND MONROE-FAR SOUTH MIAMI DADE- 705 AM EST SUN DEC 23 2012 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MIAMI HAS CAN CELLED THE FROST ADVISORY. HIGH CLOUDS MOVING OVER SOUTH FLORIDA HAS ALLOWED TEMPERATURES TO RISE PROHIBITING FROST FORMATION. $$
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 9:01 AM EST | Red Flag Warning | MFL | Broward, Collier, Miami-Dade, Monroe, Palm Beach | 9 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.