Alert archive / Georgia / Special Weather Statements in 2009

Special Weather Statement, NWS Jacksonville, FL

October 15, 2009Wayne County, Georgia

NWS Jacksonville, FL issued this special weather statement at Oct 15, 2009, 11:10 PM EDT for Wayne 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 outline as issued.

The facts

Issued: Oct 15, 2009, 11:10 PM EDT (03:10 UTC)
Expired: Oct 16, 2009, 12:00 AM EDT
In force: 50 min
Issued by: NWS Jacksonville, FL

County Wayne County, GA

The radar

The Jacksonville radar (KJAX), 126 km from the middle of the area, began a volume at 03:13 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 00:00Z, 3.2 hours before the alert went out and 124 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: 2701 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 614 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 8.7

Open this sounding in Storm Lab

The text

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

000 
WWUS82 KJAX 160310
SPSJAX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1110 PM EDT THU OCT 15 2009

GAZ136-160400-
WAYNE-
1110 PM EDT THU OCT 15 2009

...A SIGNIFICANT WEATHER ALERT HAS BEEN ISSUED FOR WAYNE COUNTY FOR
STRONG WINDS...SMALL HAIL AND EXCESSIVE LIGHTNING VALID UNTIL
MIDNIGHT EDT...

AT 1110 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CENTERED OVER ODUM...OR 7 MILES NORTHWEST OF
JESUP...MOVING EAST AT 30 MPH. THIS STRONG THUNDERSTORM WILL 
AFFECT AREAS AROUND SCREVEN...ODUM...JESUP...BROADHURST...
DOCTORTOWN...GARDI AND MOUNT PLEASANT THROUGH MIDNIGHT EDT. HAIL UP
TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING
AND GUSTY WINDS OF 40 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.

LAT...LON 3179 8196 3166 8183 3166 8180 3154 8165
      3149 8164 3137 8169 3137 8170 3139 8199
      3151 8213 3156 8213 3156 8214 3158 8213
      3176 8213 3177 8208 3180 8210
TIME...MOT...LOC 0310Z 280DEG 25KT 3165 8199

$$

SHASHY

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 15, 8:02 PM EDT	Small Craft Advisory for Winds	JAX		20 hr
Oct 16, 7:11 AM EDT	Special Weather Statement	JAX	Gilchrist	49 min
Oct 16, 8:17 AM EDT	Special Weather Statement	JAX	Marion	43 min
Oct 16, 9:09 AM EDT	Special Weather Statement	JAX	Marion	51 min
Oct 16, 1:59 PM EDT	Special Weather Statement	JAX	Duval	61 min
Oct 16, 2:15 PM EDT	Special Weather Statement	JAX	Bradford, Clay	45 min
Oct 16, 2:27 PM EDT	Special Marine Warning	JAX		2 hr
Oct 16, 2:30 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Saint Johns	33 min
Oct 16, 2:31 PM EDT	Special Weather Statement	JAX	Alachua, Gilchrist	44 min
Oct 16, 3:15 PM EDT	Special Weather Statement	JAX	Alachua	60 min
Oct 16, 3:56 PM EDT	Special Weather Statement	JAX	Saint Johns	49 min
Oct 16, 3:59 PM EDT	Special Marine Warning	JAX		58 min
Oct 16, 4:01 PM EDT	Special Weather Statement	JAX	Duval	44 min
Oct 16, 4:24 PM EDT	Special Marine Warning	JAX		32 min
Oct 16, 4:37 PM EDT	Special Marine Warning	JAX		53 min
Oct 16, 4:55 PM EDT	Small Craft Advisory for Winds	JAX		5 hr
Oct 16, 6:05 PM EDT	Special Weather Statement	JAX	Flagler	40 min
Oct 16, 6:25 PM EDT	Severe Thunderstorm Warning	JAX	Flagler	35 min
Oct 15, 9:37 PM EDT	Special Weather Statement	JAX	Jeff Davis	38 min
Oct 15, 11:47 PM EDT	Tornado Warning	JAX	Wayne	28 min
Oct 16, 5:23 AM EDT	Special Weather Statement	JAX	Atkinson, Clinch, Coffee	52 min
Oct 16, 6:14 AM EDT	Special Weather Statement	JAX	Pierce, Ware	46 min
Oct 16, 9:02 AM EDT	Areal Flood Advisory	JAX	Appling	88 min
Oct 16, 2:32 PM EDT	Special Weather Statement	JAX	Glynn	28 min

Nearby

Special Weather Statements in Georgia, 2009 Every special weather statement in 2009

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.