Alert archive / Florida / Red Flag Warnings in 2010

Red Flag Warning 12, NWS Jacksonville, FL

January 25, 20107 counties in Florida

NWS Jacksonville, FL issued this red flag warning at Jan 25, 2010, 12:45 PM EST for 7 counties in Florida. It was in force for 4 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
Jan 25, 2010, 12:45 PM EST (17:45 UTC)
Expired
Jan 25, 2010, 5:00 PM EST
In force
4 hr
Issued by
NWS Jacksonville, FL

Counties Baker County, FL, Bradford County, FL, Flagler County, FL, Gilchrist County, FL, Nassau County, FL, Suwannee County, FL, Union County, FL

The radar

The Jacksonville radar (KJAX), 71 km from the middle of the area, began a volume at 17:46 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

Jacksonville, FL (KJAX), launched 12:00Z, 5.8 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.

Skew-T log-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2010-01-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2010-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -335 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1275 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
-335 m²/s²
0-3 km storm-relative helicity
-180 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Jan 25, 9:37 AM EST, 3 hours 8 minutes earlier.

Area forecast discussion, Jan 25, 9:37 AM EST, 3 hours 8 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
937 AM EST MON JAN 25 2010

.UPDATE...SFC HIGH PRESSURE WAS LOCATED OVER TX TO THE CENTRAL
GULF OF MEXICO WITH A W TO NW FLOW OVER THE REGION. COLD FRONT
THAT SWEPT QUICKLY THROUGH OUR CWA IS NOW WELL OFFSHORE AND LAST
BIT OF CONVECTION IS OVER OUR SE ZONES. SATELLITE IMAGERY SHOWS
CLEARING GENERALLY W OF A BQK-GNV LINE SO WITH WLY FLOW AND SOME
COOL ADVECTION BEHIND THE FRONT HIGHS TODAY WILL RANGE FROM MID-
UPPER 60S IN SE GA TO UPPER 60S TO NEAR 70 OVER NE FL. VERY GOOD
MIXING PROFILE WILL LEAD TO GUSTS TO 35 MPH AT TIMES THIS
AFTERNOON AND LWA IS IN EFFECT TIL 6 PM. MADE A FEW CHANGES TO
LOWER TEMPS A BIT AND SHOW CLEARING SKIES IN GRIDS AND ZONES.
WILL TAKE OUT PRECIP MENTION IN ZONES.

&&

.AVIATION...VFR TODAY FOR TERMINALS. ALTHOUGH W WINDS ARE ABOUT 10 KT
NOW...THEY WILL PICK UP TO 15-20 KT WITH GUSTS TO 30 KT AT TIMES.

&&

.MARINE...WILL EXPIRE THE GALE WARNING AS CURRENT OBS SHOW GUSTS
BELOW 30 KT. WILL INCLUDE SCA FOR OFFSHORE WATERS TIL TUE EVENING
BEFORE THE WINDS SUBSIDE AND WILL EXTEND THE SCA FOR NEAR-SHORE
UNTIL LATE THIS AFTERNOON.

&&

.FIRE WX...DRY AIR WILL FILTER INTO THE REGION AND WINDS AND RH COULD
POSSIBLY MEET RED FLAG CRITERIA IN A FEW AREAS OVER NE FL. CURRENTLY
PLANNING ON MAINTAINING MENTION OF THIS POSSIBILITY IN THE FWF FOR
NOW AND MONITOR TRENDS.

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...LAKE WIND ADVISORY UNTIL 6 PM EST THIS EVENING FOR ALACHUA-BAKER-
     BRADFORD-CLAY-COLUMBIA-DUVAL-FLAGLER-GILCHRIST-HAMILTON-
     MARION-NASSAU-PUTNAM-ST JOHNS-SUWANNEE-UNION.

     FIRE WEATHER WATCH TUESDAY AFTERNOON FOR ALACHUA-BAKER-BRADFORD-
     CLAY-COLUMBIA-DUVAL-FLAGLER-GILCHRIST-HAMILTON-MARION-
     NASSAU-PUTNAM-ST JOHNS-SUWANNEE-UNION.

GA...LAKE WIND ADVISORY UNTIL 6 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.

     FIRE WEATHER WATCH TUESDAY AFTERNOON FOR APPLING-ATKINSON-BACON-
     BRANTLEY-CHARLTON-CLINCH-COASTAL CAMDEN-COASTAL GLYNN-
     COFFEE-ECHOLS-INLAND CAMDEN-INLAND GLYNN-JEFF DAVIS-PIERCE-
     WARE-WAYNE.

AM...SMALL CRAFT ADVISORY UNTIL 10 PM EST TUESDAY 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.

     GALE WARNING UNTIL 10 AM EST THIS MORNING 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 4 PM EST THIS AFTERNOON 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.

&&

SHASHY/PRESNALL
Hazardous weather outlook, Jan 25, 10:26 AM EST, 2 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1026 AM EST MON JAN 25 2010

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-261115-
ALACHUA-APPLING-ATKINSON-BACON-BAKER-BRADFORD-BRANTLEY-
CAMDEN (COASTAL)-CAMDEN (INLAND)-CHARLTON-CLAY-CLINCH-COFFEE-
COLUMBIA-DUVAL-ECHOLS-FLAGLER-GILCHRIST-GLYNN (COASTAL)-
GLYNN (INLAND)-HAMILTON-JEFF DAVIS-MARION-NASSAU-PIERCE-PUTNAM-
ST JOHNS-SUWANNEE-UNION-WARE-WAYNE-
1026 AM EST MON JAN 25 2010

THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.

.DAY ONE...REST OF TODAY AND TONIGHT...

...LAKE WIND ADVISORY IN EFFECT TODAY...
...MODERATE RISK OF RIP CURRENTS...

WINDY CONDITIONS ARE EXPECTED TODAY IN THE WAKE OF A COLD FRONT
THIS MORNING. SPEEDS WILL NEAR 20 MPH WITH GUSTS OF 30 TO 35 MPH
EXPECTED. A LAKE WIND ADVISORY IS IN EFFECT.

SWELLS WILL CONTINUE THE ELEVATED THE RIP CURRENT RISK ALONG THE
ATLANTIC COAST. PLEASE REFER TO THE SURF ZONE FORECAST FOR MORE
INFORMATION.

MINOR FLOODING WILL CONTINUE MOST OF THIS WEEK ON THE ALTAMAHA RIVER
AT BAXLEY AND CHARLOTTE AS WELL AS THE SATILLA RIVER AT ATKINSON AND
WAYCROSS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

A LIGHT FREEZE IS POSSIBLE INLAND WEDNESDAY MORNING...MAINLY FOR
AREAS WEST OF THE HIGHWAY 301 CORRIDOR.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ACTIVATION IS NOT REQUESTED AT THIS TIME.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.

ENYEDI/SHASHY

In the hours before

Local storm report, Jan 25, 6:45 AM EST, 6 hours before
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The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 25, 12:13 AM ESTAreal Flood AdvisoryJAXColumbia, Hamilton, Suwannee3 hr
Jan 25, 3:15 AM ESTSpecial Weather StatementJAXAlachua, Bradford, Clay60 min
Jan 25, 3:33 AM ESTTornado WarningJAXClay, Duval27 min
Jan 25, 3:59 AM ESTTornado WarningJAXDuval31 min
Jan 25, 4:16 AM ESTSpecial Marine WarningJAX68 min
Jan 25, 4:22 AM ESTSpecial Weather StatementJAXFlagler, Marion, Putnam, Saint Johns53 min
Jan 25, 4:39 AM ESTSevere Thunderstorm WarningJAXClay, Flagler, Marion, Putnam, Saint Johns81 min
Jan 25, 5:12 AM ESTSpecial Marine WarningJAX2 hr
Jan 25, 5:21 AM ESTSpecial Weather StatementJAXMarion39 min
Jan 25, 7:13 AM ESTSpecial Marine WarningJAX62 min
Jan 25, 11:26 AM ESTRiver Flood WarningJAXColumbia, Gilchrist, Suwannee36 days
Jan 25, 2:54 PM ESTRed Flag WarningJAXBaker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more27 hr
Jan 24, 11:53 PM ESTSpecial Weather StatementJAXWayne52 min

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.