Alert archive / Florida / Red Flag Warnings in 2018

Red Flag Warning 10, NWS Melbourne, FL

March 22, 2018Orange County, Osceola County, Seminole County, Florida

NWS Melbourne, FL issued this red flag warning at Mar 22, 2018, 2:17 AM EDT for Orange County, Osceola County, Seminole County, Florida. It took effect at Mar 22, 2018, 12:00 PM EDT. It was in force for 8 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
Mar 22, 2018, 2:17 AM EDT (06:17 UTC)
In effect from
Mar 22, 2018, 12:00 PM EDT
Expired
Mar 22, 2018, 8:00 PM EDT
In force
8 hr
Issued by
NWS Melbourne, FL

Counties Orange County, FL, Osceola County, FL, Seminole County, FL

The radar

The Melbourne radar (KMLB), 67 km from the middle of the area, began a volume at 06:19 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 00:00Z, 6.3 hours before the alert went out and 72 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 00:00Z on 2018-03-22Temperature 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 00:00Z on 2018-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
2040 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

296 
WWUS82 KMLB 220617
RFWMLB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Melbourne FL
217 AM EDT Thu Mar 22 2018

FLZ045-046-053-230000-
/O.NEW.KMLB.FW.W.0010.180322T1600Z-180323T0000Z/
/O.NEW.KMLB.FW.A.0003.180323T1200Z-180324T0000Z/
Orange-Seminole-Osceola-
217 AM EDT Thu Mar 22 2018

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING FOR INLAND PORTIONS OF EAST CENTRAL FLORIDA...

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON INTO FRIDAY
EVENING FOR INLAND PORTIONS OF EAST CENTRAL FLORIDA...

The National Weather Service in Melbourne has issued a Red Flag
Warning, which is in effect from noon today to 8 PM EDT this
evening. a Fire Weather Watch has also been issued. This Fire
Weather Watch is in effect from Friday morning through Friday
evening. 

* AFFECTED AREA... Orange... Seminole... Osceola.

* WIND...Northwest winds around 10 to 15 mph. 

* HUMIDITY...falling into the lower to mid 20s this afternoon for
  greater than 5 hours.

* IMPACTS...any fires that develop will likely spread. 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 potentially dangerous fire spread.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

FLZ047-054-147-230000-
/O.NEW.KMLB.FW.W.0010.180322T1600Z-180323T0000Z/
Southern Brevard County-Indian River-Northern Brevard County-
217 AM EDT Thu Mar 22 2018

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING FOR LOW HUMIDITY AND DRY FUELS...

The National Weather Service in Melbourne has issued a Red Flag
Warning, which is in effect from noon today to 8 PM EDT this
evening. 

* AFFECTED AREA... Southern Brevard County... Indian River... 
  Northern Brevard County. 

* WIND...Northwest winds 10 to 15 mph. 

* HUMIDITY...falling into the mid to upper 20s for 4 hours or
  greater. 

* IMPACTS...any fires that develop will likely spread. 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 potentially dangerous fire spread.

&&

$$

FLZ058-230000-
/O.NEW.KMLB.FW.A.0003.180323T1200Z-180324T0000Z/
Okeechobee-
217 AM EDT Thu Mar 22 2018

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

The National Weather Service in Melbourne has issued a Fire
Weather Watch, which is in effect from Friday morning through
Friday evening. 

* AFFECTED AREA...Okeechobee.

* HUMIDITY...Falling to 25 to 35 percent for four hours or more. 

* IMPACTS...any fires that develop will likely spread. Outdoor 
  burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 2:17 AM EDTFire Weather WatchMLBOkeechobee, Orange, Osceola, Seminole26 hr

Nearby

Red Flag Warnings in Florida, 2018Every red flag warning in 2018

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.