Alert archive / Florida / Red Flag Warnings in 2017

Red Flag Warning 1, NWS Miami, FL

March 6, 20175 counties in Florida

NWS Miami, FL issued this red flag warning at Mar 6, 2017, 1:36 PM EST for 5 counties in Florida. It was in force for 10 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 6, 2017, 1:36 PM EST (18:36 UTC)
Expired
Mar 7, 2017, 12:00 AM EST
In force
10 hr
Issued by
NWS Miami, FL

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

The radar

The Miami radar (KAMX), 55 km from the middle of the area, began a volume at 18:35 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.

What was reported inside it

TimeReportWhereRemark
Mar 6, 6:34 PM ESTWILDFIRE 35006 E East Naples, FLLEE WILLIAMS RD WILDFIRE. FOREST SERVICE NOW ADVISES THAT THE FIRE IS APPROX 3500 ACRES WITH 10 PERCENT CONTAINED. CR 951 HAS BEEN CLOSED BETWEEN SR 84 AND RATTLESNAKE HAMMOCK DR DUE TO DENSE SMOKE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 6.6 hours before the alert went out and 50 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 2017-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 12:00Z on 2017-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -69 square meters per square second.193958Sfc1 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
9 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1474 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-69 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

089 
WWUS82 KMFL 061836
RFWMFL

Urgent - Fire Weather Message
National Weather Service Miami FL
136 PM EST Mon Mar 6 2017

FLZ063-066>075-168-172>174-070500-
/O.NEW.KMFL.FW.W.0001.170306T1836Z-170307T0500Z/
Glades-Hendry-Inland Palm Beach-Metro Palm Beach-Coastal Collier-
Inland Collier-Inland Broward-Metro Broward-Inland Miami-Dade-
Metro Miami-Dade-Mainland Monroe-Coastal Palm Beach-
Coastal Broward-Coastal Miami-Dade-Far South Miami-Dade-
136 PM EST Mon Mar 6 2017

...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT FOR  
ALL OF SOUTH FLORIDA...

The National Weather Service in Miami has issued a Red Flag
Warning...which is in effect until midnight EST tonight. 

* Affected area...fire weather zones 063...066...067...068... 
  069...070...071...072...073...074...075...168...172...173 and 
  174. 

* Wind...East winds 20 to 25 mph with gusts up to 35 mph.

* Humidity...Around 40% to 50% for this afternoon. 

* Energy release component (ERC)...The Florida Forest Service has
  determined that the fuel status supports a Red Flag Warning for
  this afternoon. 

* Highest threat...is located over western Broward, western Palm
  Beach, western Miami Dade, all Collier, Glades and Hendry and 
  northern mainland Monroe Counties.

* Impacts...any fires that develop will likely spread rapidly. 
  outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$
1 follow-up statement
778 
WWUS82 KMFL 070522
RFWMFL

Urgent - Fire Weather Message
National Weather Service Miami FL
1222 AM EST Tue Mar 7 2017

FLZ063-066>075-168-172>174-070630-
/O.EXP.KMFL.FW.W.0001.000000T0000Z-170307T0500Z/
Glades-Hendry-Inland Palm Beach-Metro Palm Beach-Coastal Collier-
Inland Collier-Inland Broward-Metro Broward-Inland Miami-Dade-
Metro Miami-Dade-Mainland Monroe-Coastal Palm Beach-
Coastal Broward-Coastal Miami-Dade-Far South Miami-Dade-
1222 AM EST Tue Mar 7 2017

...RED FLAG WARNING HAS EXPIRED FOR FIRE WEATHER ZONES 
063...066...067...068...069...070...071...072... 
073...074...075...168...172...173 AND 174...

The wind across South Florida has weakened, and is forecast to be
weaker than the last several days. Therefore, the Red Flag Warning
has been allowed to expire.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 5:23 PM ESTSpecial Weather StatementMFLCollier52 min
Mar 6, 5:51 PM ESTDense Smoke AdvisoryMFLCollier61 hr

Nearby

Red Flag Warnings in Florida, 2017Every red flag warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.