Alert archive / Florida / Wind Chill Advisories in 2017

Wind Chill Advisory 2, NWS Miami, FL

March 15, 2017Collier County, Glades County, Hendry County, Florida

NWS Miami, FL issued this wind chill advisory at Mar 15, 2017, 5:29 PM EDT for Collier County, Glades County, Hendry County, Florida. It took effect at Mar 16, 2017, 1:00 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Mar 15, 2017, 5:29 PM EDT (21:29 UTC)
In effect from
Mar 16, 2017, 1:00 AM EDT
Expired
Mar 16, 2017, 9:00 AM EDT
In force
8 hr
Issued by
NWS Miami, FL

Counties Collier County, FL, Glades County, FL, Hendry County, FL

The radar

The Miami radar (KAMX), 132 km from the middle of the area, began a volume at 21:31 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, 9.5 hours before the alert went out and 124 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 12:00Z on 2017-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2017-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -92 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1484 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-92 m²/s²
0-3 km storm-relative helicity
-40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

446 
WWUS42 KMFL 152129
WSWMFL

URGENT - WINTER WEATHER MESSAGE
National Weather Service Miami FL
529 PM EDT Wed Mar 15 2017

FLZ063-066-070-160530-
/O.NEW.KMFL.WC.Y.0002.170316T0500Z-170316T1300Z/
Glades-Hendry-Inland Collier-
Including the cities of Palmdale, Moore Haven, Clewiston, 
LaBelle, Big Cypress Seminole Reservation, and Immokalee
529 PM EDT Wed Mar 15 2017

...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT THURSDAY...

The National Weather Service in Miami has issued a Wind Chill
Advisory, which is in effect from 1 AM to 9 AM EDT Thursday. 

* WIND CHILL VALUES...LOW TO MID 30S

* OTHER IMPACTS...NORTH TO NORTHWEST WINDS AROUND 10 MPH WILL 
  COMBINE WITH THE COLD TEMPERATURES TO CREATE COLD WIND CHILLS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that very cold air and strong winds
will combine to generate low wind chills. This will result in
frost bite and lead to hypothermia if precautions are not taken. 
If you must venture outdoors...make sure you wear a hat and
gloves.

&&

$$
2 follow-up statements
210 
WWUS42 KMFL 160712
WSWMFL

URGENT - WINTER WEATHER MESSAGE
National Weather Service Miami FL
312 AM EDT Thu Mar 16 2017

FLZ063-066-070-161300-
/O.CON.KMFL.WC.Y.0002.000000T0000Z-170316T1300Z/
Glades-Hendry-Inland Collier-
Including the cities of Palmdale, Moore Haven, Clewiston, 
LaBelle, Big Cypress Seminole Reservation, and Immokalee
312 AM EDT Thu Mar 16 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS
MORNING...

* WIND CHILL VALUES...LOW TO MID 30S

* OTHER IMPACTS...NORTH TO NORTHWEST WINDS AROUND 10 MPH WILL 
  COMBINE WITH THE COLD TEMPERATURES TO CREATE COLD WIND CHILLS 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that very cold air and strong winds
will combine to generate low wind chills. This will result in
frost bite and lead to hypothermia if precautions are not taken.
If you must venture outdoors...make sure you wear a hat and
gloves.

&&

$$
522 
WWUS42 KMFL 161252
WSWMFL

URGENT - WINTER WEATHER MESSAGE
National Weather Service Miami FL
852 AM EDT Thu Mar 16 2017

FLZ063-066-070-161400-
/O.EXP.KMFL.WC.Y.0002.000000T0000Z-170316T1300Z/
Glades-Hendry-Inland Collier-
Including the cities of Palmdale, Moore Haven, Clewiston, 
LaBelle, Big Cypress Seminole Reservation, and Immokalee
852 AM EDT Thu Mar 16 2017

...WIND CHILL ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING...

Wind chill values have risen above 35 degrees across much of 
Collier, Glades, and Hendry counties. 

$$

Nearby

Wind Chill Advisories in Florida, 2017Every wind chill advisory in 2017

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.