Alert archive / Florida / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 199, NWS Jacksonville, FL

December 25, 2006Marion County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Dec 25, 2006, 11:55 AM EST for Marion County, Florida. It was in force for 23 min. 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 25, 2006, 11:55 AM EST (16:55 UTC)
Expired: Dec 25, 2006, 12:18 PM EST
In force: 23 min
Issued by: NWS Jacksonville, FL
Area: Counties, with a storm outline in the text

County Marion County, FL

The radar

The Jacksonville radar (KJAX), 146 km from the middle of the area, began a volume at 16:54 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Dec 25, 6:16 AM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 4.9 hours before the alert went out and 148 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 401 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 608 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 255 m²/s²
0-3 km storm-relative helicity: 300 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Dec 25, 9:40 AM EST, 2 hours 15 minutes earlier.

Area forecast discussion, Dec 25, 9:40 AM EST, 2 hours 15 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
940 AM EST MON DEC 25 2006

...TORNADO WATCH 882 CONTINUES IN EFFECT...

.UPDATE...AFTER COORD WITH SPC...HAVE INCLUDED FLAGLER AND ST JOHNS
COUNTIES IN THE TOR WATCH AS WELL AS THE ADJACENT NEAR SHORE COASTAL
WATERS. ALREADY UPDATING ZFP AND CWF WITH LATEST WATCH INFO AND JUST
ISSUED AN AIRPORT WX WARNING FOR JIA. SVRS AND TORS CONTINUE TO BE
ISSUED...AND DAMAGE HAS ALREADY BEEN REPORTED IN COLUMBIA COUNTY.
SQUALL LINE CONTINUES TO MAKE RAPID PROGRESS ACROSS THE AREA...AND
WILL LIKELY MOVE OFF THE COAST BY LATE MORNING. STILL LINGERING
INSTABILITY BEHIND THIS LINE...AND WITH SOME BREAKS IN CLOUD COVER
AND DAYTIME HEATING...ADDITIONAL NARROW LINES OF CONVECTION MAY BE
ABLE TO FORM BEHIND THE SQUALL LINE. WILL CONTINUE TO MONITOR.

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...SMALL CRAFT ADVISORY UNTIL 10 PM TUE FOR ALTAMAHA SOUND GA TO
     FLAGLER BEACH FL OUT 60 NM OFFSHORE.

&&

CARROLL/ZIBURA/PETERSON/KEEGAN

Hazardous weather outlook, Dec 25, 10:00 AM EST, 1 hour 55 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1000 AM EST MON DEC 25 2006

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-261100-
HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY-
ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION-COFFEE-
JEFF DAVIS-BACON-APPLING-WAYNE-ATKINSON-WARE-PIERCE-BRANTLEY-
INLAND GLYNN-COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON-INLAND CAMDEN-
COASTAL CAMDEN-
1000 AM EST MON DEC 25 2006

THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.

.DAY ONE...TODAY AND TONIGHT...

...TORNADO WATCH IN EFFECT UNTIL 1 PM FOR NORTHEAST FLORIDA AND
PORTIONS OF SOUTHEAST GEORGIA...

A TORNADO WATCH IS IN EFFECT FOR MUCH OF THE AREA UNTIL 1 PM THIS
AFTERNOON. FOR MORE INFORMATION...REFER TO THE WATCH COUNTY
NOTIFICATION MESSAGE.

A SQUALL LINE WILL CONTINUE TO SWEEP ACROSS THE AREA THROUGH THE
REMAINDER OF THE MORNING HOURS. THE MAIN CONCERNS WILL BE FOR
ISOLATED TORNADOES...DAMAGING WIND GUSTS...AND POSSIBLE HAIL. NARROW
LINES OF CONVECTION MAY DEVELOP BEHIND THE MAIN SQUALL LINE IF
ENOUGH HEATING OCCURS. ANY THUNDERSTORMS THAT DEVELOP IN THESE AREAS
MAY BECOME STRONG.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SATURDAY...

THE NEXT COLD FRONT IS EXPECTED TO APPROACH THE AREA SATURDAY
BRINGING WITH IT A CHANCE OF THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED FOR THE REMAINDER OF THE MORNING AND
EARLY AFTERNOON HOURS.

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

CARROLL/PP

In the hours before

Special weather statement, Dec 25, 9:28 AM EST, 2 hours 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
928 AM EST MON DEC 25 2006

FLZ031-040-251530-
BRADFORD-MARION-
928 AM EST MON DEC 25 2006

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR
BRADFORD AND MARION COUNTIES UNTIL 1030 AM...

AT 913 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG THUNDERSTORMS FROM NEAR RAIFORD TO GAINESVILLE TO
JUST WEST OF OCALA. STRONG WINDS GUSTS UP TO 50 MPH ALONG WITH HEAVY
RAIN AND OCCASIONAL DANGEROUS LIGHTNING STRIKES WILL OCCUR. MOVEMENT
IS TO THE NORTHEAST AT 35 MPH. AREAS THAT WILL BE INCLUDE
OCALA...GAINESVILLE...AND STARKE.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR
COUNTY EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL WEATHER
SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594.

MZ

Special weather statement, Dec 25, 9:33 AM EST, 2 hours 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
933 AM EST MON DEC 25 2006

GAZ152>154-165-166-251530-
BRANTLEY-CAMDEN (COASTAL)-CAMDEN (INLAND)-GLYNN (COASTAL)-
GLYNN (INLAND)-
933 AM EST MON DEC 25 2006

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR
BRANTLEY...CAMDEN...AND GLYNN COUNTIES UNTIL 1030
AM...

AT 933 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS NEAR KINGSLAND...WOODBINE...NAHUNTA.
STRONG WINDS GUSTS UP TO 50 MPH ALONG WITH HEAVY RAIN AND OCCASIONAL
DANGEROUS LIGHTNING STRIKES WILL OCCUR. MOVEMENT IS TO THE NORTHEAST
AT 35 MPH. AREAS THAT WILL AFFECTED WILL INCLUDE KINGSLAND...
WOODBINE...WAVERLY...AND BRUNSWICK.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR
COUNTY EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL WEATHER
SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594.

MZ

Special weather statement, Dec 25, 9:43 AM EST, 2 hours 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
943 AM EST MON DEC 25 2006

FLZ025-251545-
DUVAL-
943 AM EST MON DEC 25 2006

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR
DUVAL COUNTY UNTIL 1045 AM...

AT 933 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS NEAR MACCLENNY MOVING NORTHEAST AT 50 MPH.
THE STORMS WILL BE AFFECTING WESTERN AND NORTHERN DUVAL COUNTY.

STRONG WINDS GUSTS UP TO 50 MPH ALONG WITH HEAVY RAIN AND OCCASIONAL
DANGEROUS LIGHTNING STRIKES WILL OCCUR.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR
COUNTY EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL WEATHER
SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594.

PP

Special weather statement, Dec 25, 9:55 AM EST, 2 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
955 AM EST MON DEC 25 2006

FLZ032-037-251600-
CLAY-PUTNAM-
955 AM EST MON DEC 25 2006

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR
CLAY AND PUTNAM COUNTIES UNTIL 1100 AM...

AT 955 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LINE OF STRONG THUNDERSTORMS NEAR JUST WEST OF JACKSONVILLE TO
MIDDLEBURG...KEYSTONE HEIGHTS... AND JOHNSON. OTHER AREAS THAT WILL
BE AFFECTED INCLUDE GREEN COVE SPRINGS...INTERLACHEN...AND PALATKA.

STRONG WINDS GUSTS UP TO 50 MPH ALONG WITH HEAVY RAIN AND OCCASIONAL
DANGEROUS LIGHTNING STRIKES WILL OCCUR.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR
COUNTY EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL WEATHER
SERVICE IN JACKSONVILLE DIRECTLY AT 1-800-499-1594.

MZ

Special weather statement, Dec 25, 11:46 AM EST, 9 minutes before

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Local storm report, Dec 25, 11:49 AM EST, 6 minutes before

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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 25, 6:43 AM EST	Severe Thunderstorm Warning	JAX	Hamilton	32 min
Dec 25, 7:41 AM EST	Severe Thunderstorm Warning	JAX	Columbia, Suwannee	34 min
Dec 25, 7:48 AM EST	Tornado Warning	JAX	Columbia, Suwannee	27 min
Dec 25, 8:16 AM EST	Severe Thunderstorm Warning	JAX	Columbia	29 min
Dec 25, 8:35 AM EST	Severe Thunderstorm Warning	JAX	Baker, Union	55 min
Dec 25, 10:45 AM EST	Special Marine Warning	JAX		90 min
Dec 25, 10:45 AM EST	Severe Thunderstorm Warning	JAX	Clay	30 min
Dec 25, 10:59 AM EST	Tornado Warning	JAX	Clay, Duval, Saint Johns	31 min
Dec 25, 12:10 PM EST	Special Marine Warning	JAX		95 min
Dec 25, 1:39 PM EST	Special Marine Warning	JAX		66 min
Dec 25, 2:35 PM EST	Special Marine Warning	JAX		55 min
Dec 25, 3:19 PM EST	Special Marine Warning	JAX		26 min
Dec 25, 6:47 AM EST	Severe Thunderstorm Warning	JAX	Echols	43 min
Dec 25, 8:59 AM EST	Severe Thunderstorm Warning	JAX	Pierce	31 min
Dec 25, 9:21 AM EST	Severe Thunderstorm Warning	JAX	Wayne	39 min

Nearby

Severe Thunderstorm Warnings in Florida, 2006 Every severe thunderstorm warning in 2006

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.