Alert archive / Florida / Red Flag Warnings in 2020

Red Flag Warning 2, NWS Melbourne, FL

March 7, 2020Lake County, Orange County, Osceola County, Florida

NWS Melbourne, FL issued this red flag warning at Mar 7, 2020, 8:59 AM EST for Lake County, Orange County, Osceola County, Florida. It took effect at Mar 7, 2020, 12:00 PM EST. It was in force for 6 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 7, 2020, 8:59 AM EST (13:59 UTC)
In effect from
Mar 7, 2020, 12:00 PM EST
Expired
Mar 7, 2020, 6:00 PM EST
In force
6 hr
Issued by
NWS Melbourne, FL

Counties Lake County, FL, Orange County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 81 km from the middle of the area, began a volume at 14:01 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, 2.0 hours before the alert went out and 87 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 2020-03-07Temperature 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 2020-03-07The 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
1452 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-92 m²/s²
0-3 km storm-relative helicity
-9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

020 
WWUS82 KMLB 071359
RFWMLB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Melbourne FL
859 AM EST Sat Mar 7 2020

FLZ044-045-053-144-072200-
/O.NEW.KMLB.FW.W.0002.200307T1700Z-200307T2300Z/
Northern Lake-Orange-Osceola-Southern Lake-
859 AM EST Sat Mar 7 2020

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR LAKE,
ORANGE, AND OSCEOLA COUNTIES...

The National Weather Service in Melbourne has issued a Red Flag
Warning, which is in effect from noon today to 6 PM EST this
evening. 

* AFFECTED AREA... Northern Lake... Orange... Osceola... 
  Southern Lake. 

* WIND...North to northeast winds up to 15 mph with higher gusts.

* HUMIDITY...Minimum relative humidity of 25 to 30 percent, mainly
  in Lake, western Orange, and northwest Osceola.

* 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 3:13 AM ESTBeach Hazards StatementMLBVolusia16 hr

Nearby

Red Flag Warnings in Florida, 2020Every red flag warning in 2020

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.