Alert archive / Florida / Red Flag Warnings in 2016

Red Flag Warning 3, NWS Melbourne, FL

May 6, 2016Lake County, Orange County, Seminole County, Florida

NWS Melbourne, FL issued this red flag warning at May 6, 2016, 1:12 PM EDT for Lake County, Orange County, Seminole County, Florida. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 6, 2016, 1:12 PM EDT (17:12 UTC)
Expired
May 6, 2016, 8:00 PM EDT
In force
7 hr
Issued by
NWS Melbourne, FL

Counties Lake County, FL, Orange County, FL, Seminole County, FL

The radar

The Melbourne radar (KMLB), 97 km from the middle of the area, began a volume at 17:17 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, 5.2 hours before the alert went out and 93 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, Cape Canaveral, FL at 12:00Z on 2016-05-06Temperature 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, Cape Canaveral, FL at 12:00Z on 2016-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
2173 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

835 
WWUS82 KMLB 061712
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
112 PM EDT FRI MAY 6 2016


FLZ044>047-144-147-070000-
/O.NEW.KMLB.FW.W.0003.160506T1712Z-160507T0000Z/
NORTHERN LAKE COUNTY-ORANGE-SEMINOLE-SOUTHERN BREVARD COUNTY-
SOUTHERN LAKE COUNTY-NORTHERN BREVARD COUNTY-
112 PM EDT FRI MAY 6 2016

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR LONG
DURATION OF LOW RH WITH WIND FOR LAKE...SEMINOLE...ORANGE AND
BREVARD COUNTIES...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING. 

* AFFECTED AREA... LAKE COUNTY... ORANGE... SEMINOLE... BREVARD
  COUNTY.

* WIND...NORTHWEST WINDS 15 MPH WITH GUSTS OF 20 TO 25 MPH.

* HUMIDITY...25 TO 30 PERCENT.

* IMPACTS...ANY NEW UNATTENDED FIRES WILL SPREAD RAPIDLY.

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
754 
WWUS82 KMLB 070006
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
806 PM EDT FRI MAY 6 2016

FLZ044>047-144-147-070115-
/O.EXP.KMLB.FW.W.0003.000000T0000Z-160507T0000Z/
NORTHERN LAKE COUNTY-ORANGE-SEMINOLE-SOUTHERN BREVARD COUNTY-
SOUTHERN LAKE COUNTY-NORTHERN BREVARD COUNTY-
806 PM EDT FRI MAY 6 2016

...RED FLAG WARNING HAS EXPIRED FOR LAKE...SEMINOLE...ORANGE AND
BREVARD COUNTIES...

RELATIVE HUMIDITY VALUES HAVE RISEN ABOVE CRITICAL VALUES THIS
EVENING AND THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE.

$$

Nearby

Red Flag Warnings in Florida, 2016Every red flag warning in 2016

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.