Alert archive / Florida / Areal Flood Warnings in 2008
Areal Flood Warning 21, NWS Jacksonville, FL
NWS Jacksonville, FL issued this areal flood warning at Aug 22, 2008, 6:36 PM EDT for 5 counties in Florida; 4 counties in Georgia. 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
- Aug 22, 2008, 6:36 PM EDT (22:36 UTC)
- Expired
- Aug 22, 2008, 10:30 PM EDT
- In force
- 4 hr
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Baker County, FL, Columbia County, FL, Hamilton County, FL, Nassau County, FL, Union County, FL, Charlton County, GA, Clinch County, GA, Echols County, GA, Ware County, GA
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 10.6 hours before the alert went out and 73 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
- 921 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 512 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
What forecasters said that day
The local office's own words before this areal flood 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 areal flood warning went out at Aug 22, 2:50 PM EDT, 3 hours 46 minutes earlier.
Area forecast discussion, Aug 22, 2:50 PM EDT, 3 hours 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
250 PM EDT FRI AUG 22 2008
...TROPICAL STORM WARNINGS IN EFFECT FOR THE COASTAL COUNTIES AS WELL
AS PUTNAM AND CLAY COUNTIES...
...WIND ADVISORIES IN EFFECT FOR MOST INLAND COUNTIES...
...FLOOD WATCH IN EFFECT FOR ALL AREAS...
.SHORT TERM...TODAY-SUNDAY. T.S. FAY WILL CONTINUE TO MOVE OFF
TOWARD THE WNW WITH DEEP TROPICAL MOISTURE AFFECTING THE REGION.
OVERNIGHT AND INTO SATURDAY ANTICIPATE SEVERAL RAINBANDS PIVOTING
AROUND THE CWA WITH HEAVIEST ONES OVER THE ERN AND CENTRAL PORTIONS
OF THE FORECAST AREA...ESPECIALLY TONIGHT. HAVE ELECTED TO EXTEND THE
LAKE WIND AND WIND ADVISORIES UNTIL LATE TONIGHT AND EXTEND THE
FLOOD WATCH INTO SATURDAY AFTERNOON. RAINFALL TOTALS PER RADAR SHOW
ESTIMATES IN EXCESS OF 12 INCHES IN SOME AREAS OVER THE ERN ZONES.
SATURDAY...SELY MID LEVEL FLOW AROUND 25 TO 40 KT AND DEEP TROPICAL
MOISTURE WILL STILL SUPPORT CATEGORICAL POPS OVER A GOOD PORTION OF
THE AREA. GOOD DIVERGENT FLOW ALSO NOTED PER GFS GUIDANCE AND LOW
LEVELS STILL CONVERGENCE WITH INDIVIDUAL RAINBANDS CONTINUING OVER
PORTIONS OF THE AREA. HEAVY RAINFALL WILL BE MENTIONED THROUGH
SATURDAY.
BY SUNDAY...BEST TROPICAL MOISTURE AND LOW AND MID LEVEL LIFT WILL
BE TOWARD THE WRN ZONES BUT ANTICIPATE COASTAL AREAS HAVE A GOOD
CHANCE OF SEEING SHOWER ACTIVITY. A W-E POP DISTRIBUTION IS PLANNED.
MORE VEERED FLOW FROM THE SOUTH SHOULD RESULT IN WARMER TEMPS.
ON MONDAY...MORE IN THE WAY OF SCT SHOWER AND THUNDERSTORM ACTIVITY
IS ANTICIPATED AS REMNANTS OF FAY SHIFT AWAY FROM THE AREA.
HAVE ADVERTISED 50% MOST AREAS.
.LONG TERM...TUE-FRI. REMNANTS OF FAY ARE FORECAST TO MEANDER OVER
THE SOUTHEAST CONUS. LOCALLY...DEEP SOUTHERLY FLOW REGIME WILL
MAINTAIN HIGH ATMOSPHERIC MOISTURE AND LINGERING DYNAMICS ASSOCIATED
WITH BROAD CIRCULATION OF FAY TO WARRANT CHANCE POPS THROUGHOUT THE
PERIOD.
&&
.AVIATION...
CONTINUING TEMPO LIFR CONDS IN HEAVY RAINBANDS AT COASTAL TAF SITES
ALTHOUGH A SLIGHT IMPROVEMENT MAY BE SEEN BY 20Z OR SO IF CURRENT
RAINBAND TRIES TO MOVE OFF TO THE NORTH AND NEXT RAINBAND SETS UP
WEST OF THE COASTAL TAF SITES. KGNV WILL LIKELY BE SET-UP UNDER NEXT
RAIN BAND THAT WILL COME IN OFF OF APALACHEE BAY. TAFS WILL CONTINUE
TO BE UPDATED AS NEEDED BUT SOME IMPROVEMENT TO IFR/MVFR CONDS WILL
BE SEEN AT COASTAL TAF SITES OVERNIGHT. STRONG WINDS JUST OFF THE
SURFACE WILL CONTINUE TO LEAD TO LOW LEVEL WIND SHEAR THROUGH THE
EVENING HOURS.
&&
.MARINE...
DECISION WILL NEED TO BE MADE FOR NEXT FAY ADVISORY ON WHETHER TO
CONTINUE TS WARNINGS OVER THE ATLC WATERS. TS FORCE WIND GUSTS WILL
CONTINUE THROUGH THE EVENING HOURS OTHERWISE WILL SEE DECREASING
TREND OVER THE NEXT SEVERAL DAYS WITH WINDS/SEAS FALLING BELOW 20
KNOTS AND 7 FEET BY SATURDAY NIGHT.
&&
.PRELIMINARY POINT TEMPS/POPS...
AMG 74 84 73 86 / 80 80 60 60
SSI 76 82 76 84 / 80 70 50 50
JAX 75 83 74 85 / 80 80 50 60
SGJ 76 83 76 84 / 80 70 40 50
GNV 74 84 73 86 / 90 90 70 60
OCF 74 84 73 86 / 80 80 60 60
&&
.JAX WATCHES/WARNINGS/ADVISORIES...
FL...FLOOD WATCH THROUGH SATURDAY AFTERNOON FOR ALACHUA-BAKER-
BRADFORD-CLAY-COLUMBIA-DUVAL-FLAGLER-GILCHRIST-HAMILTON-
MARION-NASSAU-PUTNAM-ST JOHNS-SUWANNEE-UNION.
TROPICAL STORM WIND WARNING UNTIL MIDNIGHT EDT TONIGHT FOR CLAY-
DUVAL-FLAGLER-NASSAU-PUTNAM-ST JOHNS.
TROPICAL STORM WARNING FOR DUVAL-FLAGLER-NASSAU-ST JOHNS.
WIND ADVISORY UNTIL MIDNIGHT EDT TONIGHT FOR ALACHUA-BAKER-
BRADFORD-COLUMBIA-GILCHRIST-HAMILTON-MARION-SUWANNEE-UNION.
GA...FLOOD WATCH THROUGH SATURDAY AFTERNOON 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 UNTIL MIDNIGHT EDT TONIGHT FOR APPLING-
ATKINSON-BACON-BRANTLEY-CHARLTON-CLINCH-COFFEE-ECHOLS-JEFF
DAVIS-PIERCE-WARE-WAYNE.
TROPICAL STORM WIND WARNING UNTIL MIDNIGHT EDT TONIGHT FOR
COASTAL CAMDEN-COASTAL GLYNN-INLAND CAMDEN-INLAND GLYNN.
TROPICAL STORM WARNING FOR COASTAL CAMDEN-COASTAL GLYNN.
AM...TROPICAL STORM WARNING FOR ALTAMAHA SOUND GA TO FERNANDINA BEACH
FL 20 NM TO 60 NM OFFSHORE-ALTAMAHA SOUND GA TO FERNANDINA
BEACH FL OUT 20 NM-FERNANDINA BEACH TO ST AUGUSTINE FL 20
NM TO 60 NM OFFSHORE-FERNANDINA BEACH TO ST AUGUSTINE FL
OUT 20 NM-ST AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM
OFFSHORE-ST AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM.
&&
SHASHY/HESS/KEEGANHazardous weather outlook, Aug 22, 6:00 PM EDT, 36 minutes before
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Special weather statement, Aug 22, 4:56 PM EDT, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 456 PM EDT FRI AUG 22 2008 GAZ150-162-163-222200- CLINCH-ECHOLS-WARE- 456 PM EDT FRI AUG 22 2008 ...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR CLINCH... SOUTHEASTERN WARE AND NORTHEASTERN ECHOLS COUNTIES FOR STRONG WINDS AND FUNNEL CLOUDS VALID UNTIL 600 PM EDT... AT 456 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 7 MILES SOUTHWEST OF DU PONT TO 9 MILES NORTH OF FARGO TO 16 MILES SOUTHEAST OF FARGO...MOVING NORTHWEST AT 46 MPH. THESE STRONG THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND FARGO...DU PONT AND HOMERVILLE THROUGH 600 PM EDT. GUSTY WINDS OF 35 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. DOPPLER RADAR HAS INDICATED WEAK ROTATION WITHIN THIS STORM. TORNADOES MAY DEVELOP WITH LITTLE OR NO ADVANCE WARNING. THE AREA REMAINS UNDER A TORNADO WATCH. REPORT DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. ENYEDI
Local storm report, Aug 22, 5:28 PM EDT, 1 hour 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
528 PM EDT FRI AUG 22 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0435 PM TORNADO WSW HASTINGS 29.71N 81.51W
08/22/2008 ST. JOHNS FL EMERGENCY MNGR
EMERGENCY RESPONSE OFFICIALS ARE RESPONDING TO TORNADO
DAMAGE AT THE KANGAROO EXPRESS ALONG CHURCH STREET IN
HASTINGS. THE DAMAGE OCCURRED AROUND 435 PM BASED ON WEAK
DOPPER RADAR ROTATION SIGNATURE. A TORNADO PATH IS
EVIDENT IN THE AREA AND EMERGENCY MANAGEMENT SAID THAT
THEY HAVE A PICTURE OF THE FUNNEL CLOUD PRIOR OR JUST
AFTER TOUCHDOWN IN THE HASTINGS AREA.
&&
AENYEDISpecial weather statement, Aug 22, 5:56 PM EDT, 40 minutes before
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</html>Local storm report, Aug 22, 6:18 PM EDT, 18 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 |
|---|---|---|---|---|
| Aug 21, 11:15 PM EDT | Flash Flood Warning | JAX | Duval | 6 hr |
| Aug 22, 12:19 AM EDT | Areal Flood Warning | JAX | Baker | 6 hr |
| Aug 22, 1:35 AM EDT | Areal Flood Warning | JAX | Clay, Duval, Nassau, Saint Johns | 8 hr |
| Aug 22, 4:58 AM EDT | Areal Flood Warning | JAX | Baker, Columbia | 2 hr |
| Aug 22, 6:01 AM EDT | Areal Flood Warning | JAX | Columbia | 6 hr |
| Aug 22, 7:07 AM EDT | Areal Flood Warning | JAX | Baker, Columbia, Hamilton, Nassau, Suwannee | 3 hr |
| Aug 22, 9:24 AM EDT | Areal Flood Warning | JAX | Duval, Flagler, Nassau, Saint Johns | 6 hr |
| Aug 22, 9:57 AM EDT | Areal Flood Warning | JAX | Baker, Columbia, Hamilton, Suwannee | 6 hr |
| Aug 22, 10:28 AM EDT | Flash Flood Warning | JAX | Duval | 3 hr |
| Aug 22, 11:51 AM EDT | Areal Flood Warning | JAX | Nassau | 6 hr |
| Aug 22, 12:07 PM EDT | Special Marine Warning | JAX | 53 min | |
| Aug 22, 12:45 PM EDT | Tornado Warning | JAX | Duval, Nassau | 30 min |
| Aug 22, 12:52 PM EDT | Tornado Warning | JAX | Duval, Saint Johns | 38 min |
| Aug 22, 1:15 PM EDT | Tornado Warning | JAX | Duval, Nassau | 45 min |
| Aug 22, 1:24 PM EDT | Tornado Warning | JAX | Duval, Saint Johns | 51 min |
| Aug 22, 2:10 PM EDT | Tornado Warning | JAX | Duval, Nassau | 50 min |
| Aug 22, 2:11 PM EDT | Tornado Warning | JAX | Duval, Nassau | 49 min |
| Aug 22, 3:18 PM EDT | Areal Flood Warning | JAX | Baker, Duval, Nassau, Saint Johns | 4 hr |
| Aug 22, 4:28 PM EDT | Gale Warning | JAX | 12 hr | |
| Aug 22, 5:01 PM EDT | Tornado Warning | JAX | Clay, Flagler, Putnam, Saint Johns | 44 min |
| Aug 22, 5:30 PM EDT | Areal Flood Warning | JAX | Clay, Duval, Flagler, Putnam, Saint Johns | 3 hr |
| Aug 22, 5:44 PM EDT | Tornado Warning | JAX | Clay, Duval, Saint Johns | 35 min |
| Aug 22, 12:59 AM EDT | Areal Flood Warning | JAX | Bacon, Brantley, Glynn, Pierce, Wayne | 6 hr |
| Aug 22, 7:03 AM EDT | Areal Flood Warning | JAX | Appling, Atkinson, Bacon, Brantley, Coffee, Glynn and 4 more | 3 hr |
| Aug 22, 10:03 AM EDT | Areal Flood Warning | JAX | Appling, Atkinson, Bacon, Coffee, Pierce, Ware and 1 more | 4 hr |
Nearby
Areal Flood Warnings in Florida, 2008Areal Flood Warnings in Georgia, 2008Every areal flood 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; the sounding from the Mesonet's radiosonde archive.