Alert archive / Florida / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at Feb 1, 2021, 6:57 PM EST for 4 counties in Florida. It took effect at Feb 2, 2021, 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
- Feb 1, 2021, 6:57 PM EST (23:57 UTC)
- In effect from
- Feb 2, 2021, 12:00 PM EST
- Expired
- Feb 2, 2021, 6:00 PM EST
- In force
- 6 hr
- Issued by
- NWS Melbourne, FL
Counties Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL
The radar
The Melbourne radar (KMLB), 49 km from the middle of the area, began a volume at 23:53 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, 12.0 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.
- Mixed-layer CAPE
- 5 J/kg
- Mixed-layer CIN
- -167 J/kg
- Mixed-layer LCL
- 935 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- -142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
005 WWUS82 KMLB 012357 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 657 PM EST Mon Feb 1 2021 FLZ045>047-053-054-058-059-064-147-022300- /O.NEW.KMLB.FW.W.0001.210202T1700Z-210202T2300Z/ Orange-Seminole-Southern Brevard-Osceola-Indian River-Okeechobee- St. Lucie-Martin-Northern Brevard- 657 PM EST Mon Feb 1 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM EST TUESDAY FOR ALL ZONES EXCEPT LAKE AND VOLUSIA COUNTY FOR GUSTY WINDS AND LOW HUMIDITY... The National Weather Service in Melbourne has issued a Red Flag Warning, which is in effect from noon to 6 PM EST Tuesday. * AFFECTED AREA... Orange... Seminole... Southern Brevard... Osceola... Indian River... Okeechobee... St. Lucie... Martin... Northern Brevard. * WIND...Gusty Northwest winds of 15 to 20 mph with gusts up to 30 mph during the afternoon. * HUMIDITY...Minimum humidity 31 to 35 percent along with dry fuels. * 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 dry fuels can contribute to critical fire behavior. && $$ JP
1 follow-up statement
321 WWUS82 KMLB 020838 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 338 AM EST Tue Feb 2 2021 FLZ045>047-053-054-058-059-064-147-022300- /O.CON.KMLB.FW.W.0001.210202T1700Z-210202T2300Z/ Orange-Seminole-Southern Brevard-Osceola-Indian River-Okeechobee- St. Lucie-Martin-Northern Brevard- 338 AM EST Tue Feb 2 2021 ...RED FLAG WARNING IN EFFECT TODAY FROM NOON TO 6 PM EST FOR GUSTY WINDS AND LOW HUMIDITY ACROSS MOST OF EAST-CENTRAL FLORIDA... * AFFECTED AREA... Orange... Seminole... Brevard... Osceola... Indian River... Okeechobee... St. Lucie... Martin... * WIND...Gusty Northwest winds of 15 to 20 mph with gusts up to 30 mph during the afternoon. * HUMIDITY...Minimum humidity 30 to 35 percent along with dry fuels. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and dry fuels can contribute to critical fire behavior. && $$ Rodriguez
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 2:45 AM EST | Gale Warning | MLB | 40 hr | |
| Feb 1, 2:55 AM EST | Wind Chill Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 30 hr |
| Feb 1, 4:54 AM EST | Special Marine Warning | MLB | 81 min | |
| Feb 1, 4:59 AM EST | Special Weather Statement | MLB | Brevard, Osceola | 46 min |
| Feb 1, 9:48 AM EST | Wind Advisory | MLB | 12 hr | |
| Feb 1, 10:05 AM EST | Small Craft Advisory | MLB | 52 hr |
Nearby
Red Flag Warnings in Florida, 2021Every red flag warning in 2021
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.