Alert archive / Florida / Red Flag Warnings in 2020
Red Flag Warning 3, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at May 7, 2020, 3:51 AM EDT for 5 counties in Florida. It took effect at May 7, 2020, 11:00 AM EDT. It was in force for 9 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 7, 2020, 3:51 AM EDT (07:51 UTC)
- In effect from
- May 7, 2020, 11:00 AM EDT
- Expired
- May 7, 2020, 8:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Melbourne, FL
Counties Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 55 km from the middle of the area, began a volume at 07:55 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 65 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
- 168 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1447 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
577 WWUS82 KMLB 070751 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 351 AM EDT Thu May 7 2020 FLZ044-144-070900- /O.CAN.KMLB.FW.A.0001.200507T1500Z-200508T0000Z/ Northern Lake-Southern Lake- 351 AM EDT Thu May 7 2020 ...FIRE WEATHER WATCH IS CANCELLED FOR LAKE COUNTY... The National Weather Service in Melbourne has cancelled the Fire Weather Watch. Conditions remain dry and northwest winds will average 10 to 15 mph and veer to the north to north-northeast into this afternoon. Minimum relative humidities will also be very low this afternoon and fire sensitivity will still remain heightened. $$ FLZ041-045>047-053-054-058-059-064-141-147-080000- /O.UPG.KMLB.FW.A.0001.200507T1500Z-200508T0000Z/ /O.NEW.KMLB.FW.W.0003.200507T1500Z-200508T0000Z/ Inland Volusia-Orange-Seminole-Southern Brevard-Osceola- Indian River-Okeechobee-St. Lucie-Martin-Coastal Volusia- Northern Brevard- 351 AM EDT Thu May 7 2020 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING FOR VERY LOW RELATIVE HUMIDITY AND GUSTY NORTHERLY WINDS FOR MUCH OF EAST CENTRAL FLORIDA... The National Weather Service in Melbourne has issued a Red Flag Warning, which is in effect from 11 AM this morning to 8 PM EDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA... Inland Volusia... Northern Lake... Orange... Seminole... Southern Brevard... Osceola... Indian River... Okeechobee... St. Lucie... Martin... Coastal Volusia... Southern Lake... Northern Brevard. * WIND...Northwest to North winds around 15 mph will become north-northeast through the afternoon. Higher gusts are expected. * HUMIDITY...Minimum relative humidity falling to 20 to 25 percent west of I-95 and 30 to 35 percent toward the coast before winds veer onshore. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 3:49 AM EDT | Beach Hazards Statement | MLB | Volusia | 16 hr |
| May 7, 4:02 PM EDT | Small Craft Advisory | MLB | 6 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.