Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 211, NWS Jacksonville, FL

June 15, 2008Clinch County, Ware County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 15, 2008, 7:15 PM EDT for Clinch County, Ware County, Georgia. It was in force for 50 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
Jun 15, 2008, 7:15 PM EDT (23:15 UTC)
Expired
Jun 15, 2008, 8:05 PM EDT
In force
50 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon

Counties Clinch County, GA, Ware County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.3 hours before the alert went out and 322 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, Peachtre/Fal Fld, GA at 12:00Z on 2008-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 856 joules per kilogram.LCLLFCEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 2008-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.193958Sfc1 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
856 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
843 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
-29 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 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 Jun 15, 3:19 PM EDT, 3 hours 56 minutes earlier.

Area forecast discussion, Jun 15, 3:19 PM EDT, 3 hours 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
319 PM EDT SUN JUN 15 2008

.SHORT TERM...THUNDERSTORMS HAVE MOVED VERY SLOWLY EASTWARD AS
THEY MET RESISTANCE FROM THE SEA BREEZE. HEAVY RAIN HAS OCCURRED
WITH PWATS NEAR 2 INCHES. CLOUD COVER OVER THE INTERIOR FROM GNV
TO ALMA HAS DELAYED ONSET OF CONVECTION BUT RECENT RADAR SCANS
SHOW THE GULF COAST BREEZE IS BECOMING MORE ACTIVE FROM LIVE OAK
TO OCALA AND SCT STORMS ARE DEVELOPING AHEAD OF THE SHORTWAVE
TROUGH IN SE GA.

A SHORTWAVE IS SITUATED ALONG THE COAST FL PANHANDLE COASTLINE. AS
THIS FEATURE MOVES EASTWARD THRU THE EVENING...AN AXIS OF
VORTICITY WILL STRETCH FROM THE GA COAST TO APALACHEE BAY. THE
SHORTWAVE TROUGH IS NOT EXPECTED TO BUDGE FOR A WHILE AND MORE
DISTURBANCES WILL PASS THRU THE BASE OF THE TROUGH PROVIDING
LIKELY RAIN CHANCES FOR MOST OF THE AREA AGAIN MONDAY AS A WEAK
COLD FRONT WASHES OUT TO OUR NORTH. THEN THE TROUGH IS EXPECTED
TO LIFT NE OF THE AREA MON NIGHT AND DRIER AIR MOVE IN FROM THE NW
ON TUESDAY. HOWEVER PWATS WILL REMAIN HIGH FOR THE SRN PORTION AND
WILL GO WITH 40-50 PCT POPS TUE AFTN IN NE FL MAINLY FROM SEA
BREEZE INTERACTIONS. ANOTHER FRONT WILL APPROACH FROM THE NW BUT
MOISTURE WILL BE LIMITED (PWATS LESS THAN 1.5 INCHES) AND WILL
KEEP LOW CHANCE POPS IN SE GA.

.LONG TERM...WEDNESDAY THROUGH SUNDAY...
UPPER TROUGH IS EXPECTED TO AMPLIFY OVER THE EASTERN U.S. THROUGH
FRIDAY...BRINGING DRIER AIR INTO THE REGION IN THE NWLY FLOW
ALOFT. RAIN CHANCES WILL BE REDUCED WITH LESS THAN 20 PCT IN SE GA
AND LOW CHANCE SOUTH OF I-75. BY THE WEEKEND ANOTHER SERIES OF
SHORTWAVE DISTURBANCES IS POSSIBLE AS PROGGED BY THE LATEST GFS.
TIMING WILL UNDOUBTEDLY CHANGE DURING THE WEEK AND WILL KEEP
CHANCE POPS AREA-WIDE FOR SATURDAY. MEX GUIDANCE SUGGESTS MINS
WILL BE A TAD COOLER THAN CLIMO AND MAX TEMPS NEAR CLIMO.

&&

.AVIATION...TEMPO IFR STILL POSSIBLE AT ALL SITES THROUGH THIS
EVENING DUE TO +TSRA. MICROBURSTS WILL CONTINUE NEAR TERMINALS SO
WILL CONTINUE TO VRB WINDS AND GUSTS UP TO 35 KTS POSSIBLE. TEMPO
MVFR IN BR NEAR SUNRISE ESPECIALLY WHERE RAINS FALL TODAY. ANOTHER
ROUND OF CONVECTION POSSIBLE TOMORROW.

&&

.MARINE...NO HEADLINES ANTICIPATED. PREVAILING OFFSHORE FLOW WILL
CONTINUE THROUGH TUE AS A WEAK FRONT STALLS AND BECOMES DIFFUSE OVER
THE AREA. WED HIGH PRESSURE WILL REBUILD OVER THE REGION FROM THE NW
CONTINUING OFFSHORE FLOW. SLY SURGES POSSIBLE AT NIGHT WITH SPEEDS
NEAR 15 KTS. SEAS 3 FT OR LESS.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  69  89  70  94 /  70  60  30  20
SSI  74  86  74  89 /  60  60  40  20
JAX  70  89  71  92 /  60  60  50  40
SGJ  72  86  73  89 /  60  60  50  50
GNV  68  89  70  92 /  60  60  50  50
OCF  69  90  70  91 /  60  60  50  50

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...NONE.
&&

TRABERT/ENYEDI
Hazardous weather outlook, Jun 15, 5:00 AM EDT, 14 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
500 AM EDT SUN JUN 15 2008

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-161000-
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-
500 AM EDT SUN JUN 15 2008

THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.

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

AN APPROACHING UPPER LEVEL DISTURBANCE WILL PRODUCE NUMEROUS
THUNDERSTORMS OVER THE AREA BY AFTERNOON. THE STORMS WILL PRODUCE
LOCALLY HEAVY RAINFALL AND LOCALIZED FLOODING DUE TO A SLOW EASTWARD
MOTION.  ALSO...STRONG GUSTY WINDS AND FREQUENT LIGHTNING STRIKES
CAN BE EXPECTED WITH THE STRONGER STORMS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

THUNDERSTORMS ARE EXPECTED EACH AFTERNOON AND EVENING THAT WILL
PRODUCE GUSTY WINDS...FREQUENT LIGHTNING AND LOCALLY HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...
SPOTTER 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.

MZ

In the hours before

Special weather statement, Jun 15, 6:26 PM EDT, 49 minutes before
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Special weather statement, Jun 15, 6:28 PM EDT, 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
628 PM EDT SUN JUN 15 2008

GAZ149-150-163-152300-
ATKINSON-CLINCH-WARE-
628 PM EDT SUN JUN 15 2008

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN CLINCH...
SOUTHEASTERN ATKINSON AND WESTERN WARE COUNTIES FOR STRONG WINDS...
SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 700 PM EDT...

AT 628 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED 4 MILES SOUTHEAST OF MILLWOOD...OR 10 MILES
NORTH OF ARGYLE...MOVING SOUTHEAST AT 12 MPH. THESE STRONG
THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND MILLWOOD...COGDELL...
WARESBORO...MANOR...WAYCROSS AND NEEDHAM THROUGH 700 PM EDT. HAIL UP
TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING
AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE
MINOR 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.

HESS
Special weather statement, Jun 15, 6:29 PM EDT, 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
629 PM EDT SUN JUN 15 2008

GAZ163-152300-
CLINCH-
629 PM EDT SUN JUN 15 2008

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHWESTERN
CLINCH COUNTY FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING
VALID UNTIL 700 PM EDT...

AT 629 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED 8 MILES WEST OF DU PONT...OR 5 MILES SOUTHEAST
OF LAKELAND...MOVING EAST AT 11 MPH. THESE STRONG THUNDERSTORMS WILL
ALSO AFFECT AREAS AROUND HOMERVILLE AND DU PONT THROUGH 700 PM EDT.
HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND
LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH
POSSIBLE MINOR 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.

HESS
Special weather statement, Jun 15, 7:00 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
700 PM EDT SUN JUN 15 2008

GAZ150-163-152330-
CLINCH-WARE-
700 PM EDT SUN JUN 15 2008

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN CLINCH
AND CENTRAL WARE COUNTIES FOR STRONG WINDS AND EXCESSIVE LIGHTNING
VALID UNTIL 730 PM EDT...

AT 700 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 7 MILES NORTHWEST
OF DU PONT TO HOMERVILLE...MOVING EAST AT 14 MPH. THESE STRONG
THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND DU PONT...HOMERVILLE...
MANOR...COGDELL AND ARGYLE THROUGH 730 PM EDT. EXCESSIVE
CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE
EXPECTED ALONG WITH POSSIBLE MINOR 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.

HESS
Special weather statement, Jun 15, 7:09 PM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
709 PM EDT SUN JUN 15 2008

GAZ150-152-164-152345-
BRANTLEY-CHARLTON-WARE-
709 PM EDT SUN JUN 15 2008

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN
CHARLTON...BRANTLEY AND EASTERN WARE COUNTIES FOR STRONG WINDS...
SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL 745 PM EDT...

AT 709 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED 2 MILES NORTHWEST OF RACE POND...OR 12 MILES
SOUTH OF HOBOKEN...MOVING NORTHEAST AT 22 MPH. THESE STRONG
THUNDERSTORMS WILL ALSO AFFECT AREAS AROUND RACE POND...WINOKUR...
HICKOX...RAYBON AND NAHUNTA THROUGH 745 PM EDT. HAIL UP TO ONE HALF
INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY
WINDS OF 45 TO 55 MPH CAN BE EXPECTED ALONG WITH POSSIBLE MINOR
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.

HESS
Special weather statement, Jun 15, 7:10 PM EDT, 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
710 PM EDT SUN JUN 15 2008

GAZ150-163-152345-
CLINCH-WARE-
710 PM EDT SUN JUN 15 2008

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR NORTHERN CLINCH
AND CENTRAL WARE COUNTIES FOR STRONG WINDS...SMALL HAIL AND EXCESSIVE
LIGHTNING VALID UNTIL 745 PM EDT...

AT 710 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM ARGYLE TO 3 MILES
EAST OF DU PONT...MOVING EAST AT 22 MPH. THESE STRONG THUNDERSTORMS
WILL ALSO AFFECT AREAS AROUND HOMERVILLE...DU PONT...ARGYLE AND MANOR
THROUGH 745 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE
CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE
EXPECTED ALONG WITH POSSIBLE MINOR DAMAGE. HEAVY RAINFALL WILL
PRODUCE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW-LYING
AREAS. IF FURTHER INTENSIFICATION OCCURS A WARNING MAY BE REQUIRED.

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

HESS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 8:15 PM EDTSevere Thunderstorm WarningJAXAlachua, Marion45 min
Jun 14, 9:25 PM EDTSevere Thunderstorm WarningJAXBaker, Columbia, Hamilton39 min
Jun 14, 9:37 PM EDTAreal Flood AdvisoryJAXAlachua, Columbia, Union113 min
Jun 14, 9:37 PM EDTSevere Thunderstorm WarningJAXAlachua, Columbia, Union53 min
Jun 14, 10:40 PM EDTAreal Flood AdvisoryJAXBradford, Union95 min
Jun 14, 11:00 PM EDTAreal Flood AdvisoryJAXAlachua, Columbia, Gilchrist, Suwannee2 hr
Jun 15, 12:54 PM EDTAreal Flood AdvisoryJAXDuval, Saint Johns2 hr
Jun 15, 1:47 PM EDTAreal Flood AdvisoryJAXMarion88 min
Jun 15, 3:28 PM EDTAreal Flood AdvisoryJAXNassau92 min
Jun 15, 3:33 PM EDTAreal Flood AdvisoryJAXDuval87 min
Jun 15, 3:40 PM EDTSevere Thunderstorm WarningJAXAlachua, Bradford, Clay, Putnam50 min
Jun 15, 4:16 PM EDTSevere Thunderstorm WarningJAXClay, Duval, Saint Johns41 min
Jun 15, 4:39 PM EDTAreal Flood AdvisoryJAXNassau96 min
Jun 15, 4:04 PM EDTAreal Flood AdvisoryJAXAppling, Bacon, Coffee, Jeff Davis, Wayne86 min
Jun 15, 5:52 PM EDTAreal Flood AdvisoryJAXBrantley, Pierce, Ware83 min
Jun 15, 7:23 PM EDTAreal Flood AdvisoryJAXClinch2 hr
Jun 15, 7:56 PM EDTAreal Flood AdvisoryJAXBrantley, Charlton, Pierce, Ware2 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2008Every 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; the sounding from the Mesonet's radiosonde archive.