Alert archive / Florida / Wind Advisories in 2012

Wind Advisory 3, NWS Miami, FL

April 22, 20124 counties in Florida

NWS Miami, FL issued this wind advisory at Apr 22, 2012, 4:49 AM EDT for 4 counties in Florida. It took effect at Apr 22, 2012, 11:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Apr 22, 2012, 4:49 AM EDT (08:49 UTC)
In effect from
Apr 22, 2012, 11:00 AM EDT
Expired
Apr 22, 2012, 4:23 PM EDT
In force
5 hr
Issued by
NWS Miami, FL

Counties Broward County, FL, Collier County, FL, Miami-Dade County, FL, Monroe County, FL

The radar

The Miami radar (KAMX), 48 km from the middle of the area, began a volume at 08:52 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 00:00Z, 8.8 hours before the alert went out and 53 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.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 00:00Z on 2012-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 116 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 00:00Z on 2012-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
116 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
794 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
330 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

306 
WWUS72 KMFL 220849
NPWMFL

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
449 AM EDT SUN APR 22 2012

FLZ069-072>075-172>174-230000-
/O.NEW.KMFL.WI.Y.0003.120422T1500Z-120423T0000Z/
COASTAL COLLIER-METRO BROWARD-INLAND MIAMI DADE-METRO MIAMI DADE-
MAINLAND MONROE-COASTAL BROWARD-COASTAL MIAMI DADE-
FAR SOUTH MIAMI DADE-
INCLUDING THE CITIES OF...NAPLES...CORAL SPRINGS...SUNRISE...
DAVIE...HOLLYWOOD...PEMBROKE PINES...MIAMI...HIALEAH...
POMPANO BEACH...FORT LAUDERDALE
449 AM EDT SUN APR 22 2012

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT
THIS EVENING.

* TIMING...WINDS WILL RAPIDLY INCREASE LATE THIS MORNING AND WILL
  REMAIN STRONG AND GUSTY THROUGH EARLY THIS EVENING.

* WINDS...WEST SOUTHWEST WINDS WILL INCREASE TO 20 TO 25 MPH WITH
  FREQUENT GUSTS OF 35 TO 40 MPH.

* IMPACTS...PEOPLE NEED TO SECURE LOOSE ITEMS THAT COULD GET BLOWN
  AROUND IN THE STRONG WINDS TODAY...AND HIGH PROVIDE VEHICLES
  NEED TO USE CAUTION WHILE DRIVING THIS AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 30 MPH
WITH GUSTS TO NEAR 40 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION. MAKE SURE TO SECURE LOOSE OBJECTS AS THEY CAN
BE BLOWN AROUND BY WINDS THIS STRONG.

&&

$$
1 follow-up statement
331 
WWUS72 KMFL 222023
NPWMFL

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MIAMI FL
423 PM EDT SUN APR 22 2012

FLZ069-072>075-172>174-222130-
/O.CAN.KMFL.WI.Y.0003.000000T0000Z-120423T0000Z/
COASTAL COLLIER-METRO BROWARD-INLAND MIAMI DADE-METRO MIAMI DADE-
MAINLAND MONROE-COASTAL BROWARD-COASTAL MIAMI DADE-
FAR SOUTH MIAMI DADE-
INCLUDING THE CITIES OF...NAPLES...CORAL SPRINGS...SUNRISE...
DAVIE...HOLLYWOOD...PEMBROKE PINES...MIAMI...HIALEAH...
POMPANO BEACH...FORT LAUDERDALE
423 PM EDT SUN APR 22 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MIAMI HAS CANCELLED THE WIND
ADVISORY. 

WINDS ARE BEGINNING TO SUBSIDE ACROSS THE AREA AND FREQUENT GUSTS
TO 35 MPH OR GREATER ARE NOT OCCURRING. THEREFORE, THE WIND
ADVISORY HAS BEEN CANCELLED.

$$

GREGORIA

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 22, 12:16 AM EDTSpecial Weather StatementMFLBroward74 min
Apr 22, 1:22 AM EDTSpecial Marine WarningMFL53 min
Apr 22, 1:47 AM EDTSpecial Weather StatementMFLCollier, Glades, Hendry58 min
Apr 22, 1:58 AM EDTSevere Thunderstorm WarningMFLGlades32 min
Apr 22, 2:12 AM EDTSpecial Marine WarningMFL63 min
Apr 22, 2:18 AM EDTSevere Thunderstorm WarningMFLGlades42 min
Apr 22, 2:26 AM EDTSpecial Marine WarningMFL64 min
Apr 22, 2:46 AM EDTSpecial Weather StatementMFLCollier, Glades, Hendry59 min
Apr 22, 2:57 AM EDTSevere Thunderstorm WarningMFLGlades33 min
Apr 22, 3:13 AM EDTSpecial Marine WarningMFL62 min
Apr 22, 3:22 AM EDTSpecial Marine WarningMFL38 min
Apr 22, 3:43 AM EDTSpecial Weather StatementMFLHendry62 min
Apr 22, 4:35 AM EDTSpecial Weather StatementMFLBroward, Miami-Dade, Palm Beach55 min
Apr 22, 5:02 AM EDTSpecial Marine WarningMFL106 min
Apr 22, 5:26 AM EDTSpecial Weather StatementMFLMiami-Dade49 min
Apr 22, 12:00 PM EDTSpecial Marine WarningMFL60 min
Apr 22, 12:41 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade35 min
Apr 22, 12:52 PM EDTSpecial Marine WarningMFL83 min
Apr 22, 1:36 PM EDTSpecial Marine WarningMFL54 min
Apr 22, 1:46 PM EDTSpecial Marine WarningMFL44 min
Apr 22, 2:12 PM EDTSpecial Marine WarningMFL63 min
Apr 22, 3:47 PM EDTSpecial Marine WarningMFL31 min

Nearby

Wind Advisories in Florida, 2012Every wind 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.