Alert archive / Florida / Red Flag Warnings in 2010
Red Flag Warning 110, NWS Jacksonville, FL
NWS Jacksonville, FL issued this red flag warning at Dec 26, 2010, 3:15 AM EST for Flagler County, Gilchrist County, Florida. It took effect at Dec 26, 2010, 12:00 PM EST. It was in force for . No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 26, 2010, 3:15 AM EST (08:15 UTC)
- In effect from
- Dec 26, 2010, 12:00 PM EST
- Expired
- Dec 26, 2010, 11:31 AM EST
- In force
- Issued by
- NWS Jacksonville, FL
Counties Flagler County, FL, Gilchrist County, FL
The radar
The Jacksonville radar (KJAX), 104 km from the middle of the area, began a volume at 08:17 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
Tampa Bay, FL (KTBW), launched 00:00Z, 8.3 hours before the alert went out and 213 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
- 1071 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 288 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jacksonville, FL wrote its last area forecast discussion before this red flag warning went out at Dec 26, 2:50 AM EST, 25 minutes earlier.
Area forecast discussion, Dec 26, 2:50 AM EST, 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
250 AM EST SUN DEC 26 2010
...HARD FREEZE WITH LOW CHILLS TONIGHT...
.SHORT TERM...1000MB SURFACE LOW NOW OFF THE GA COAST WITH
INCREASING NW WINDS GUSTING TO NEAR 30 MPH OVER SE GA/NE FL. RAIN
IS GRADUALLY COMING TO AN END OVER NE FL WITH SCATTERED AREAS
LINGERING OVER SE GA. WITH TEMPERATURES FALLING AND WRAPAROUND
MOISTURE...THERE STILL IS A SMALL CHANCE OF SNOW FLURRIES OVER
OUR NORTHERN COUNTIES AS MODELS INDICATE. WILL KEEP MENTION OF LIGHT
RAIN AND SNOW FLURRIES IN FORECAST FOR NORTHERN TIER COUNTIES IN
SE GA THIS MORNING AS LOW LEVEL MOISTURE PERSISTS. WITH STRONG
COLD AIR ADVECTION AND LINGERING LOW CLOUDS TEMPERATURES WILL
REMAIN IN THE 40S TODAY. WINDS WILL BE STRONG WITH GUSTS TO 35
MPH EXPECTED...LAKE WIND AVSY IS IN EFFECT TIL THIS EVENING. WINDS
WILL ALSO STAY UP TONIGHT AS PRESSURE GRADIENT REMAINS TIGHT ON
BACK SIDE OF LOW. WITH A HARD FREEZE EXPECTED INLAND DUE TO STRONG
COLD AIR ADVECTION...THIS WILL PRODUCE WIND CHILLS IN THE TEENS SO
WILL ISSUE WIND CHILL AVSY. WILL ALSO ISSUE A FREEZE WATCH FOR
MONDAY NIGHT AS DECREASING WINDS WILL PRODUCE EVEN COLDER
TEMPERATURES.
.LONG TERM...WEDNESDAY THROUGH SATURDAY...TEMPERATURES WILL WARM
UP THROUGH THE PERIOD TO ABOVE AVERAGE BY THURSDAY. RIDGING
DEVELOPS OVER THE SE WITH A SHORT WAVE MOVING OVER RIDGE ON
THURSDAY. GFS AND ECMWF MODELS KEEP OUR AREA DRY WITH THIS FEATURE
SO ONLY SOME MID- HIGH CLOUDS EXPECTED. MODELS SLOW DOWN NEXT
COLD FRONT TILL SUNDAY SO EXTENDED PERIOD SHOULD STAY MILD AND DRY.
&&
.AVIATION...CIGS LOWERING BEHIND COLD FRONT WHICH MOVED THRU TAF
SITES 06-07Z ACCOMPANIED BY 15-25KT WNW WINDS. CIGS BEHIND FRONT
APPEAR TO BE IN 006-012 RANGE...AND THAT IS WHATS CURRENTLY FCST IN
TAFS THRU THE MORNING. WILL MAINTAIN GUSTY WNW WINDS THRU THE DAY
GIVEN TIGHT PRESSURE GRADIENT AND STRONG COLD AIR ADVECTION...WILL
CONTINUE GUSTS INTO EVENING BEFORE THEY TAPER OFF AS PRESSURE
GRADIENT RELAXES SLIGHTLY.
&&
.MARINE...WILL MAINTAIN GALE WARNING ALL AREAS (INITIALLY SCA
NEARSHORE). BUOYS CURRENTLY SHOWING OCCASIONALLY GALE FORCE WINDS
SRN PART OF OUR MARINE AREA...SHOULD CONTINUE TO SPREAD NORTHWARD
AND EXPAND INTO NEARSHORE COMPONENT AS SFC LOW REFORMS OFF SE U.S.
COAST AND INTENSIFIES.
&&
.FIRE WEATHER...WILL UPGRADE FIRE WEATHER WATCH TO RED FLAG WARNING
AND EXPAND TO ALSO INCLUDE GILCHRIST...ALACHUA AND PUTNAM
COUNTIES...BEST CHANCE FOR SUFFICIENT TEMP-DEWPT SPREAD FOR MIN RH'S
TO AT LEAST BRIEFLY REACH 35 PCT ALONG WITH GUSTY SFC WINDS WILL BE
ACRS OUR SRN COUNTIES. ELSEWHERE ACROSS INTERIOR NE FL...MIN RH
CRITERION MAY NOT BE MET FOR RFW...BUT COMBO OF GUSTY WINDS...RH'S
DOWN TO 35-40 PCT RANGE AND BELOW NORMAL RAINAFLL MAY ENHANCE FIRE
DANGER...WILL NOTE THIS IN FIRE DANGER STMT.
WILL MAINTAIN FIRE WEATHER WATCH FOR MON AFTN ACRS ALL OF NE FL
WHERE MIN RH CRITERIA IS LIKELY TO BE REACHED. POTENTIAL FOR RED
FLAG CONDITIONS EXPECTED TUE AS WELL...AND PERHAPS WED SUWANNEE
VALLEY REGION OF NE FL.
&&
.PRELIMINARY POINT TEMPS/POPS...
AMG 42 25 48 21 / 10 0 0 0
SSI 47 28 47 29 / 20 10 0 0
JAX 46 25 49 24 / 10 0 0 0
SGJ 50 27 49 29 / 10 0 0 0
GNV 48 23 50 21 / 10 0 0 0
OCF 50 24 51 21 / 10 0 0 0
&&
.JAX WATCHES/WARNINGS/ADVISORIES...
FL...HARD FREEZE WARNING FROM 9 PM THIS EVENING TO 9 AM EST MONDAY
FOR ALACHUA-BAKER-BRADFORD-CLAY-COLUMBIA-DUVAL-FLAGLER-
GILCHRIST-HAMILTON-MARION-NASSAU-PUTNAM-ST JOHNS-SUWANNEE-
UNION.
HARD FREEZE WATCH FROM MONDAY EVENING THROUGH TUESDAY MORNING
FOR ALACHUA-BAKER-BRADFORD-CLAY-COLUMBIA-DUVAL-FLAGLER-
GILCHRIST-HAMILTON-MARION-NASSAU-PUTNAM-ST JOHNS-SUWANNEE-
UNION.
FIRE WEATHER WATCH MONDAY AFTERNOON FOR ALACHUA-BAKER-BRADFORD-
CLAY-COLUMBIA-DUVAL-FLAGLER-GILCHRIST-HAMILTON-MARION-
NASSAU-PUTNAM-ST JOHNS-SUWANNEE-UNION.
LAKE WIND ADVISORY UNTIL 9 PM EST THIS EVENING FOR ALACHUA-BAKER-
BRADFORD-CLAY-COLUMBIA-DUVAL-FLAGLER-GILCHRIST-HAMILTON-
MARION-NASSAU-PUTNAM-ST JOHNS-SUWANNEE-UNION.
WIND CHILL ADVISORY FROM 8 PM THIS EVENING TO 10 AM EST MONDAY
FOR ALACHUA-BAKER-BRADFORD-CLAY-COLUMBIA-DUVAL-FLAGLER-
GILCHRIST-HAMILTON-MARION-NASSAU-PUTNAM-ST JOHNS-SUWANNEE-
UNION.
RED FLAG WARNING FROM NOON TODAY TO 5 PM EST THIS AFTERNOON FOR
ALACHUA-FLAGLER-GILCHRIST-MARION-PUTNAM.
GA...HARD FREEZE WARNING FROM 9 PM THIS EVENING TO 9 AM EST MONDAY
FOR APPLING-ATKINSON-BACON-BRANTLEY-CHARLTON-CLINCH-COASTAL
CAMDEN-COASTAL GLYNN-COFFEE-ECHOLS-INLAND CAMDEN-INLAND
GLYNN-JEFF DAVIS-PIERCE-WARE-WAYNE.
LAKE WIND ADVISORY FROM 5 AM EARLY THIS MORNING TO 9 PM EST THIS
EVENING FOR APPLING-ATKINSON-BACON-BRANTLEY-CHARLTON-CLINCH-
COASTAL CAMDEN-COASTAL GLYNN-COFFEE-ECHOLS-INLAND CAMDEN-
INLAND GLYNN-JEFF DAVIS-PIERCE-WARE-WAYNE.
HARD FREEZE WATCH FROM MONDAY EVENING THROUGH TUESDAY MORNING
FOR APPLING-ATKINSON-BACON-BRANTLEY-CHARLTON-CLINCH-COASTAL
CAMDEN-COASTAL GLYNN-COFFEE-ECHOLS-INLAND CAMDEN-INLAND
GLYNN-JEFF DAVIS-PIERCE-WARE-WAYNE.
WIND CHILL ADVISORY FROM MIDNIGHT TONIGHT TO 10 AM EST MONDAY
FOR APPLING-ATKINSON-BACON-BRANTLEY-CHARLTON-CLINCH-COASTAL
CAMDEN-COASTAL GLYNN-COFFEE-ECHOLS-INLAND CAMDEN-INLAND
GLYNN-JEFF DAVIS-PIERCE-WARE-WAYNE.
AM...GALE WARNING UNTIL 7 AM EST MONDAY FOR ALTAMAHA SOUND GA TO
FERNANDINA BEACH FL 20 NM TO 60 NM OFFSHORE-FERNANDINA
BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM OFFSHORE-ST
AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE.
SMALL CRAFT ADVISORY UNTIL 10 AM EST THIS MORNING FOR ALTAMAHA
SOUND GA TO FERNANDINA BEACH FL OUT 20 NM-FERNANDINA BEACH
TO ST AUGUSTINE FL OUT 20 NM-ST AUGUSTINE TO FLAGLER BEACH
FL OUT 20 NM.
GALE WARNING FROM 10 AM THIS MORNING TO 7 AM EST MONDAY FOR
ALTAMAHA SOUND GA TO FERNANDINA BEACH FL OUT 20 NM-
FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20 NM-ST AUGUSTINE
TO FLAGLER BEACH FL OUT 20 NM.
&&
ZIBURA/WOLFHazardous weather outlook, Dec 25, 9:00 PM EST, 6 hours 15 minutes before
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</html>The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 8:50 PM EST | Lake Wind Advisory | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 24 hr |
| Dec 26, 2:54 AM EST | Hard Freeze Watch | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 24 hr |
| Dec 26, 3:04 AM EST | Wind Chill Advisory | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 31 hr |
| Dec 26, 2:04 PM EST | Fire Weather Watch | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 14 hr |
| Dec 26, 2:04 PM EST | Red Flag Warning | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 28 hr |
Nearby
Red Flag Warnings in Florida, 2010Every red flag warning in 2010
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.