Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 147, NWS Jacksonville, FL

July 7, 2000Wayne County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 7, 2000, 4:44 PM EDT for Wayne County, Georgia. It was in force for 31 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: Jul 7, 2000, 4:44 PM EDT (20:44 UTC)
Expired: Jul 7, 2000, 5:15 PM EDT
In force: 31 min
Issued by: NWS Jacksonville, FL
Area: Whole counties

County Wayne County, GA

The radar

The Jacksonville radar (KJAX), 120 km from the middle of the area, began a volume at 20:48 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, 8.7 hours before the alert went out and 119 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: 957 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 1372 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 11 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KJAX 072044
SVRJAX
GAC305-072115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
ISSUED BY CHARLESTON SC
444 PM EDT FRI JUL 7 2000

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN WAYNE COUNTY IN SOUTHEAST GEORGIA.

* UNTIL 515 PM EDT.

* AT 443 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM NEAR MADRAY
  SPRINGS...OR ABOUT 13 MILES NORTHWEST OF JESUP.  THE STORM WAS
  NEARLY STATIONARY.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  MADRAY SPRINGS.

HAIL TO ONE INCH AND 60 MPH WINDS ARE EXPECTED IN THE WARNED AREA.

$$

LAT...LON 3180 8208[ 3168 8194 3192 8161 3208 8180

RVT
NNNN

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 Jul 7, 3:10 PM EDT, 1 hour 34 minutes earlier.

Area forecast discussion, Jul 7, 3:10 PM EDT, 1 hour 34 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
310 PM EDT FRI JUL 7 2000

CURRENTLY...JUST A QUICK AFD TO ALERT OUR BACKUP OFFICES THAT HP
WILL BE WORKING ON OUR AWIPS TODAY. HOPEFULLY THE OPERATION WILL NOT
TAKE TO LONG...HOWEVER WILL CALL EACH OFFICE AND KEEP THEM UPDATED
ON THE SITUATION. WILL UPDATE AND SEND OUT ALL LONG FUSED PRODUCTS
THAT NEED TO BE SENT OUT BEFORE TURNING THE SYSTEM OVER TO HP.

PRELIM
AMG v69/91/68/90 0200
SSI 75/88/72/87 2200
JAX 74/90/72/91 2210
GNV 70/94/69/92 3122 33

.JAX...
.GA...NONE
.FL...NONE

SCOTT

In the hours before

Special weather statement, Jul 7, 11:40 AM EDT, 5 hours 4 minutes before

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-072000-

NORTHEAST FLORIDA/SOUTHEAST GEORGIA HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
ISSUED BY NATIONAL WEATHER SERVICE TALLAHASSEE FL
1140 AM EDT FRI JUL 7 2000

...SCATTERED THUNDERSTORMS EXPECTED THIS AFTERNOON...
...HOT TEMPERATURES AGAIN THIS AFTERNOON...

A WEAK SURFACE BACK DOOR FRONT WILL BE MOVING SOUTH ACROSS NORTHEAST
FLORIDA AND SOUTHEAST GEORGIA THIS AFTERNOON AND EVENING. CONVERGENCE
ALONG THE FRONT...A MOIST AND INCREASINGLY UNSTABLE AIRMASS...AND HOT
AFTERNOON TEMPERATURES WILL TRIGGER SCATTERED AFTERNOON AND EARLY
EVENING THUNDERSTORMS. A FEW OF THE THUNDERSTORMS MAY BECOME SEVERE
AND PRODUCE VERY HEAVY RAINFALL...DEADLY LIGHTNING...LARGE HAIL...AND
DAMAGING WIND GUSTS. SKYWARN SPOTTERS SHOULD REMAIN ALERT FOR
POSSIBLE ACTIVATION THIS AFTERNOON THROUGH EARLY EVENING.

ALSO...AFTERNOON HIGH TEMPERATURES WILL REACH THE UPPER 90S ACROSS
MUCH OF NORTH FLORIDA...WITH 90 TO 95 DEGREES EXPECTED NEAR THE
COAST. THESE HIGH TEMPERATURES IN COMBINATION WITH HIGH HUMIDITY CAN
BE DANGEROUS FOR PEOPLE WORKING OR PLAYING OUTDOORS. IF ENGAGED IN
OUTDOOR ACTIVITIES...TAKE FREQUENT BREAKS FROM THE HEAT. DRINK PLENTY
OF WATER AND TAKE ADVANTAGE OF AIR CONDITIONED FACILITIES AS OFTEN
AS POSSIBLE.

FOR ADDITIONAL INFORMATION...VISIT THE JACKSONVILLE NATIONAL WEATHER
SERVICE WEB SITE ON THE INTERNET AT WWW.NWSJAX.NOAA.GOV.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 2:30 PM EDT	Severe Thunderstorm Warning	JAX	Camden	30 min
Jul 7, 3:00 PM EDT	Severe Thunderstorm Warning	JAX	Camden	30 min
Jul 7, 5:03 PM EDT	Severe Thunderstorm Warning	JAX	Brantley, Pierce	27 min
Jul 7, 5:10 PM EDT	Severe Thunderstorm Warning	JAX	Ware	50 min
Jul 7, 5:40 PM EDT	Severe Thunderstorm Warning	JAX	Appling	35 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2000 Every severe thunderstorm warning in 2000

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.