Alert archive / Florida / Red Flag Warnings in 2020
Red Flag Warning 4, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at May 12, 2020, 3:51 AM EDT for 4 counties in Florida. It took effect at May 12, 2020, 1:00 PM EDT. 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
- May 12, 2020, 3:51 AM EDT (07:51 UTC)
- In effect from
- May 12, 2020, 1:00 PM EDT
- Expired
- May 12, 2020, 7:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Melbourne, FL
Counties Lake County, FL, Orange County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 100 km from the middle of the area, began a volume at 07:56 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, 7.9 hours before the alert went out and 90 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2758 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -47 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
717 WWUS82 KMLB 120751 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 351 AM EDT Tue May 12 2020 FLZ041-044>046-144-122200- /O.NEW.KMLB.FW.W.0004.200512T1800Z-200512T2200Z/ Inland Volusia-Northern Lake-Orange-Seminole-Southern Lake- 351 AM EDT Tue May 12 2020 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM EDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR LAKE, ORANGE, SEMINOLE, AND INLAND VOLUSIA COUNTIES... The National Weather Service in Melbourne has issued a Red Flag Warning, which is in effect from 2 PM this afternoon to 6 PM EDT this evening. * AFFECTED AREA... Inland Volusia... Northern Lake... Orange... Seminole... Southern Lake. * WIND...Northeast to east winds around 15 mph. * HUMIDITY...Minimum relative humidity of 30 to 35 percent, mainly in Lake and western Orange, Seminole, and Volusia 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. && $$
1 follow-up statement
848 WWUS82 KMLB 121406 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 1006 AM EDT Tue May 12 2020 FLZ041-044>046-144-122300- /O.EXT.KMLB.FW.W.0004.200512T1700Z-200512T2300Z/ Inland Volusia-Northern Lake-Orange-Seminole-Southern Lake- 1006 AM EDT Tue May 12 2020 ...RED FLAG WARNING NOW IN EFFECT FROM 1 PM THIS AFTERNOON UNTIL 7 PM EDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR LAKE, ORANGE, SEMINOLE, AND INLAND VOLUSIA COUNTIES... The National Weather Service in Melbourne has issued a Red Flag Warning, which is in effect from 1 PM today to 7 PM EDT this evening. * AFFECTED AREA... Inland Volusia... Northern Lake... Orange... Seminole... Southern Lake. * WIND...Northeast to east winds around 15 mph. * HUMIDITY...Minimum relative humidity of 30 to 35 percent, mainly in Lake and western Orange, Seminole, and Volusia Counties. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 2:09 PM EDT | Small Craft Advisory | MLB | 5 days |
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.