Alert archive / Florida / Red Flag Warnings in 2007
Red Flag Warning 65, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Sep 16, 2007, 4:50 AM CDT for Walton County, Florida. It took effect at Sep 16, 2007, 12:00 PM CDT. It was in force for 7 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
- Sep 16, 2007, 4:50 AM CDT (09:50 UTC)
- In effect from
- Sep 16, 2007, 12:00 PM CDT
- Expired
- Sep 16, 2007, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Mobile, AL
County Walton County, FL
The radar
The Eglin Afb radar (KEVX), 25 km from the middle of the area, began a volume at 09:54 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
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 9.8 hours before the alert went out and 181 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
- 1783 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS84 KMOB 160950 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 450 AM CDT SUN SEP 16 2007 ...A RED FLAG WARNING HAS BEEN ISSUED ACROSS THE WESTERN FLORIDA PANHANDLE FOR EXPECTED LONG DURATIONS OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT FROM LATE MORNING THROUGH THE LATE AFTERNOON HOURS... .A VERY DRY AIRMASS WILL SETTLE SOUTHWARD ACROSS THE CENTRAL GULF COAST REGION TODAY IN THE WAKE OF A COLD FRONT. RELATIVE HUMIDITY VALUES WILL FALL BELOW 35 PERCENT IN THE LATE MORNING HOURS...DROPPING TO AROUND 27 PERCENT IN THE EARLY AFTERNOON AND NOT RISING BACK ABOVE 35 PERCENT UNTIL AROUND SUNSET. FLZ001>006-008-162100- /O.NEW.KMOB.FW.W.0065.070916T1700Z-070917T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 450 AM CDT SUN SEP 16 2007 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. RELATIVE HUMIDITY VALUES WILL DROP TO AROUND 27 PERCENT FOR SEVERAL LOCATIONS IN THE AFTERNOON HOURS...WITH NORTH WINDS AT 10 TO 15 MPH. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF GUSTY NORTH WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
1 follow-up statement
000 WWUS84 KMOB 161844 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 144 PM CDT SUN SEP 16 2007 ...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 700 PM TODAY FOR ALL OF THE WESTERN FLORIDA PANHANDLE FOR LONG DURATIONS OF LOW RELATIVE HUMIDITY VALUES BELOW 35 PERCENT... .A VERY DRY AIRMASS HAS SETTLED SOUTHWARD ACROSS THE CENTRAL GULF COAST REGION TODAY IN THE WAKE OF A COLD FRONT. RELATIVE HUMIDITY VALUES HAVE DROPPED TO BELOW 35 PERCENT ACROSS MOST OF THE ADVISED AREA THIS AFTERNOON...AND WILL CONTINUE BELOW 35 PERCENT UNTIL AROUND SUNSET THIS EVENING. WINDS WILL BECOME MORE EASTERLY IN DIRECTION ON MONDAY...ALLOWING SLIGHTLY HIGHER DEW POINTS TO RETURN. AS A RESULT... MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES ON MONDAY SHOULD REMAIN ABOVE CRITICAL LEVELS. FLZ001>006-008-170000- /O.CON.KMOB.FW.W.0065.000000T0000Z-070917T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 144 PM CDT SUN SEP 16 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... RELATIVE HUMIDITY VALUES HAVE DROPPED TO BELOW 35 PERCENT ACROSS MOST OF THE AREA THIS AFTERNOON...AND WILL CONTINUE BELOW 35 PERCENT UNTIL AROUND SUNSET THIS EVENING. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF NORTHEASTERLY WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL THIS AFTERNOON. $$
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.