Alert archive / Florida / Red Flag Warnings in 2007
Red Flag Warning 46, NWS Melbourne, FL
NWS Melbourne, FL issued this red flag warning at May 19, 2007, 11:35 AM EDT for 5 counties in Florida. It took effect at May 19, 2007, 12:00 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 19, 2007, 11:35 AM EDT (15:35 UTC)
- In effect from
- May 19, 2007, 12:00 PM EDT
- Expired
- May 19, 2007, 6:00 PM EDT
- In force
- 6 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 15:38 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, 3.6 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
- 1375 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KMLB 191535 RFWMLB RED FLAG WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 1135 AM EDT SAT MAY 19 2007 ...GUSTY NORTHEAST WINDS AND LOW RH VALUES ACROSS THE INTERIOR... FLZ041-044>046-053-144-192200- /O.NEW.KMLB.FW.W.0046.070519T1600Z-070519T2200Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA- SOUTHERN LAKE- 1135 AM EDT SAT MAY 19 2007 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON. DRIER AIR CONTINUES TO FILTER SOUTHWARD INTO INTERIOR PORTIONS OF EAST CENTRAL FLORIDA LATE THIS MORNING. LOW DURATION RELATIVE HUMIDITY VALUES WILL DROP TO BETWEEN 30 AND 35 PERCENT AT LEAST FOR A FEW HOURS THIS AFTERNOON. GUSTY NORTHEAST WINDS SUSTAINED AROUND 20 MPH WITH GUSTS TO 30 MPH WILL ADD THE FIRE SENSITIVITY ACROSS THE AREA. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS... LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING NOW... OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS. $$ TES
1 follow-up statement
000 WWUS82 KMLB 191831 RFWMLB RED FLAG WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 231 PM EDT SAT MAY 19 2007 ...GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY VALUES ACROSS THE INTERIOR... FLZ041-044>046-053-144-200945- /O.NEW.KMLB.FW.A.0036.070520T1600Z-070520T2300Z/ /O.CON.KMLB.FW.W.0046.000000T0000Z-070519T2200Z/ INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA- SOUTHERN LAKE- 231 PM EDT SAT MAY 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON... ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON. DRIER AIR WILL CONTINUE TO FILTER SOUTHWARD INTO INTERIOR PORTIONS OF EAST CENTRAL FLORIDA THIS WEEKEND. LOW DURATION RELATIVE HUMIDITY VALUES WILL DROP TO BETWEEN 30 AND 35 PERCENT AT LEAST FOR A FEW HOURS AGAIN SUNDAY AFTERNOON. GUSTY NORTHEAST WINDS SUSTAINED BETWEEN 15 AND 20 MPH WITH GUSTS TO 25 MPH WILL ADD THE FIRE SENSITIVITY ACROSS THE AREA AGAIN ON SUNDAY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS... LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING NOW... OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS...LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE POSSIBLE BETWEEN 24 AND 72 HOURS. $$ TES
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 4:59 AM EDT | Lake Wind Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 13 hr |
| May 19, 2:31 PM EDT | Fire Weather Watch | MLB | Lake, Orange, Osceola, Seminole, Volusia | 15 hr |
Nearby
Red Flag Warnings in Florida, 2007Every red flag warning in 2007
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.