Alert archive / Florida / Red Flag Warnings in 2017
Red Flag Warning 14, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at May 10, 2017, 5:13 AM EDT for 5 counties in Florida. It took effect at May 10, 2017, 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
- May 10, 2017, 5:13 AM EDT (09:13 UTC)
- In effect from
- May 10, 2017, 12:00 PM EDT
- Expired
- May 10, 2017, 8:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Melbourne, FL
Counties Lake County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL
The radar
The Melbourne radar (KMLB), 86 km from the middle of the area, began a volume at 09:18 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, 9.2 hours before the alert went out and 81 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
- 2453 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
041 WWUS82 KMLB 100913 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 513 AM EDT Wed May 10 2017 FLZ041-044>047-053-141-144-147-110000- /O.UPG.KMLB.FW.A.0007.170510T1600Z-170511T0000Z/ /O.NEW.KMLB.FW.W.0014.170510T1600Z-170511T0000Z/ Inland Volusia County-Northern Lake County-Orange-Seminole- Southern Brevard County-Osceola-Coastal Volusia County- Southern Lake County-Northern Brevard County- 513 AM EDT Wed May 10 2017 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND EXTREMELY DRY VEGETATION (ERC VALUES 37 OR HIGHER)... 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...LAKE...ORANGE...SEMINOLE...OSCEOLA...VOLUSIA AND BREVARD COUNTIES. * WIND...Light and variable...becoming east near 10 MPH near the coast in a sea breeze, spreading inland during the mid to late afternoon. * HUMIDITY...Min RH values 20 to 25 percent over the interior counties and 25 to 30 percent near the coast. * IMPACTS...any fires that develop will likely spread rapidly. A burn ban is in effect for all of east central Florida. 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. && $$
2 follow-up statements
522 WWUS82 KMLB 101841 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 241 PM EDT Wed May 10 2017 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... FLZ041-044>047-053-141-144-147-120000- /O.NEW.KMLB.FW.A.0008.170511T1600Z-170512T0000Z/ /O.CON.KMLB.FW.W.0014.000000T0000Z-170511T0000Z/ Inland Volusia County-Northern Lake County-Orange-Seminole- Southern Brevard County-Osceola-Coastal Volusia County- Southern Lake County-Northern Brevard County- 241 PM EDT Wed May 10 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM THIS EVENING FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND EXTREMELY DRY VEGETATION (ERC VALUES 37 OR HIGHER)... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND EXTREMELY DRY VEGETATION (ERC VALUES 37 OR HIGHER)... The National Weather Service in Melbourne has issued a Fire Weather Watch, which is in effect from Thursday afternoon through Thursday evening. * AFFECTED AREA...LAKE...ORANGE...SEMINOLE...OSCEOLA...VOLUSIA AND BREVARD COUNTIES. * WIND...Light and variable...becoming east near 10 MPH near the coast in a sea breeze, spreading inland during the mid to late afternoon. * HUMIDITY...Min RH values 20 to 25 percent over the interior counties and 25 to 30 percent nearer to the coast. * IMPACTS...any fires that develop will likely spread rapidly. A burn ban is in effect for all of east central Florida. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$
390 WWUS82 KMLB 102218 RFWMLB URGENT - FIRE WEATHER MESSAGE National Weather Service Melbourne FL 618 PM EDT Wed May 10 2017 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...ANOTHER RED FLAG WARNING FOR MOST OF EAST CENTRAL FLORIDA IN EFFECT FROM THURSDAY AFTERNOON INTO THURSDAY EVENING... FLZ047-147-110000- /O.CAN.KMLB.FW.A.0008.170511T1600Z-170512T0000Z/ /O.CON.KMLB.FW.W.0014.000000T0000Z-170511T0000Z/ Southern Brevard County-Northern Brevard County- 618 PM EDT Wed May 10 2017 ...RED FLAG WARNING FOR TODAY IS CANCELED FOR BREVARD COUNTY... && $$ FLZ041-044>046-053-141-144-120000- /O.UPG.KMLB.FW.A.0008.170511T1600Z-170512T0000Z/ /O.NEW.KMLB.FW.W.0015.170511T1600Z-170512T0000Z/ /O.CON.KMLB.FW.W.0014.000000T0000Z-170511T0000Z/ Inland Volusia County-Northern Lake County-Orange-Seminole- Osceola-Coastal Volusia County-Southern Lake County- 618 PM EDT Wed May 10 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR INTERIOR EAST CENTRAL FLORIDA... ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM EDT THURSDAY FOR INTERIOR EAST CENTRAL FLORIDA... The National Weather Service in Melbourne has issued a Red Flag Warning, which is in effect from noon to 8 PM EDT Thursday. * AFFECTED AREA...LAKE...ORANGE...SEMINOLE...OSCEOLA...VOLUSIA COUNTIES. * WIND...Light and variable...becoming east near 10 MPH near the coast in a sea breeze, spreading inland during the mid to late afternoon. * HUMIDITY...Min RH values 20 to 25 percent over the interior counties and 30 percent nearer to the coast. * IMPACTS...any fires that develop will likely spread rapidly. A burn ban is in effect for all of east central Florida. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 2:41 PM EDT | Fire Weather Watch | MLB | Lake, Orange, Osceola, Seminole, Volusia | 4 hr |
| May 10, 6:18 PM EDT | Red Flag Warning | MLB | Lake, Orange, Osceola, Seminole, Volusia | 26 hr |
Nearby
Red Flag Warnings in Florida, 2017Every red flag warning in 2017
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.