Alert archive / Florida / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 7, NWS Jacksonville, FL

February 21, 2008Columbia County, Hamilton County, Suwannee County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Feb 21, 2008, 8:48 PM EST for Columbia County, Hamilton County, Suwannee County, Florida. It was in force for 42 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: Feb 21, 2008, 8:48 PM EST (01:48 UTC)
Expired: Feb 21, 2008, 9:30 PM EST
In force: 42 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon

Counties Columbia County, FL, Hamilton County, FL, Suwannee County, FL

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 Feb 21, 8:35 PM EST, 13 minutes earlier.

Area forecast discussion, Feb 21, 8:35 PM EST, 13 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
835 PM EST THU FEB 21 2008

.UPDATE...LARGE AREA OF RAIN AND ISOLATED THUNDERSTORMS JUST NORTH
OF WARM FRONT CONTINUES TO MOVE EAST ACROSS SOUTHEAST GEORGIA AND
THE I-10 CORRIDOR OF NE FLORIDA. AREAS OF HEAVY RAIN OCCURRING IN
SE GA WHERE VLD OBS SHOW 1.77 INCHES HAS OCCURRED THUS FAR. KJAX
88D RADAR RAINFALL ESTIMATES LOOK GOOD BASED ON THIS REPORT WITH
KVAX A LITTLE ON THE HIGH SIDE. 18Z MODELS SHOW BULK OF RAIN WILL
MOVE ACROSS SE GA BETWEEN 00-06Z WITH LIGHTER AMOUNTS AFTER 06Z AS
UPPER IMPULSE MOVES INTO CAROLINAS AND WARM FRONT LIFTS NORTH. RADARS
DO SHOW THE BACK EDGE OF RAIN MOVING EAST INTO SW GA SO THIS
SOLUTION LOOKS REASONABLE. WILL NOT ISSUE FLOOD WATCH AS FLOOD
GUIDANCE SHOWS 3-4 INCHES NEEDED FOR FLOODING. SE GA SHOULD BE
ABLE TO HANDLE THIS RAINFALL WITH ANOTHER 1-2 INCHES POSSIBLE
TONIGHT.

&&

.AVIATION...MVFR CONDITIONS TO CONTINUE TONIGHT IN AREAS OF RAIN
AND ISOLATED THUNDERSTORMS. IFR CONDITIONS POSSIBLE IN HEAVIER
SHOWERS. PUT LOW LEVEL WIND SHEAR IN TAFS TONIGHT DUE TO LOW LEVEL
JET NEAR 40 KNOTS RIGHT ABOVE SURFACE.

&&

.MARINE...WINDS WILL VEER AND INCREASE AS WARM FRONT LIFTS NORTH
TONIGHT. WILL CONTINUE WITH HEADLINES.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  54  74  59  73 /  90  60  70  30
SSI  59  75  61  75 / 100  50  70  40
JAX  60  80  63  77 /  90  40  50  50
SGJ  63  80  64  77 /  80  30  30  50
GNV  60  81  62  79 /  70  40  30  50
OCF  62  82  63  80 /  70  30  30  50

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...SMALL CRAFT ADVISORY UNTIL 7 AM FRI FOR ALTAMAHA SOUND GA
     TO FLAGLER BEACH FL 20 NM TO 60 NM OFFSHORE.

&&

ZIBURA/CARROLL/WALKER

Hazardous weather outlook, Feb 21, 4:40 PM EST, 4 hours 8 minutes before

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In the hours before

Special weather statement, Feb 21, 7:11 PM EST, 1 hour 37 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
711 PM EST THU FEB 21 2008

FLZ020-021-220100-
HAMILTON-SUWANNEE-
711 PM EST THU FEB 21 2008

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN SUWANNEE
AND HAMILTON COUNTIES FOR STRONG WINDS VALID UNTIL 800 PM EST...

AT 711 PM EST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
SHOWERS AND THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 13
MILES NORTHWEST OF WEST LAKE TO 15 MILES WEST OF NEWBURN...MOVING
EAST AT 20 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS
AROUND WEST LAKE...SUWANNEE RIVER STATE PARK...NEWBURN...SUWANNEE
SPRINGS...LIVE OAK AND JASPER THROUGH 800 PM EST. GUSTY WINDS UP TO
50 MPH ARE POSSIBLE ALONG WITH POSSIBLE MINOR WIND DAMAGE. HEAVY
RAINFALL WILL PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR
FLOODING OF LOW-LYING AREAS.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

ZIBURA

Special weather statement, Feb 21, 8:39 PM EST, 9 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
839 PM EST THU FEB 21 2008

FLZ020-021-220245-
HAMILTON-SUWANNEE-
839 PM EST THU FEB 21 2008

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN SUWANNEE
AND HAMILTON COUNTIES FOR STRONG WINDS VALID UNTIL 945 PM EST...

AT 839 PM EST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 6 MILES WEST OF
SUWANNEE RIVER STATE PARK TO 9 MILES WEST OF DOWLING PARK...MOVING
NORTHEAST AT 20 MPH. THESE STRONG THUNDERSTORMS WILL AFFECT AREAS
AROUND WEST LAKE...SUWANNEE RIVER STATE PARK...DOWLING PARK...
NEWBURN...JENNINGS...LIVE OAK...JASPER...HOUSTON AND SUWANNEE
SPRINGS THROUGH 945 PM EST. GUSTY WINDS UP TO 50 MPH ARE POSSIBLE
ALONG WITH POSSIBLE MINOR WIND DAMAGE. HEAVY RAINFALL WILL PRODUCE
PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING AREAS.

REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY
EMERGENCY MANAGEMENT.

ZIBURA

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 22, 3:28 PM EST	Special Marine Warning	JAX		2 hr
Feb 22, 4:59 PM EST	Special Marine Warning	JAX		83 min
Feb 22, 1:55 PM EST	Severe Thunderstorm Warning	JAX	Atkinson, Coffee, Jeff Davis	50 min
Feb 22, 2:30 PM EST	Flood Watch	JAX	Appling, Atkinson, Bacon, Clinch, Coffee, Echols and 3 more	13 hr
Feb 22, 3:44 PM EST	Severe Thunderstorm Warning	JAX	Brantley, Ware, Wayne	28 min
Feb 22, 3:57 PM EST	Severe Thunderstorm Warning	JAX	Brantley, Camden, Glynn	48 min

Nearby

Severe Thunderstorm Warnings in Florida, 2008 Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.