Alert archive / Georgia / Flash Flood Warnings in 2002

Flash Flood Warning 18, NWS Tallahassee, FL

September 15, 2002Miller County, Seminole County, Georgia

NWS Tallahassee, FL issued this flash flood warning at Sep 15, 2002, 5:05 AM EDT for Miller County, Seminole County, Georgia. It was in force for 115 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: Sep 15, 2002, 5:05 AM EDT (09:05 UTC)
Expired: Sep 15, 2002, 7:00 AM EDT
In force: 115 min
Issued by: NWS Tallahassee, FL
Area: Counties, with a storm outline in the text

Counties Miller County, GA, Seminole County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 9.1 hours before the alert went out and 93 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: 1 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 1106 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 186 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 
WGUS52 KTAE 150905
FFWTLH
GAC201-253-151100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
503 AM EDT SUN SEP 15 2002

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MILLER COUNTY IN GEORGIA
  THIS INCLUDES COLQUITT
  NORTHERN SEMINOLE COUNTY IN GEORGIA
  THIS INCLUDES DONALSONVILLE

* UNTIL 700 AM EDT

* AT 458 AM EDT(358 AM CDT)...NATIONAL WEATHER SERVICE DOPPLER       
  RADAR INDICATED VERY HEAVY RAIN OVER NORTHERN SEMINOLE COUNTY AND  
  ALSO SOUTHERN MILLER COUNTY.

* NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SHOWERS 
  AND STORMS THAT WILL CONTINUE TO MOVE OVER THE SAME GENERAL AREA   
  FOR THE NEXT COUPLE OF HOURS. THIS WILL RESULT IN ADDITIONAL       
  RAINFALL AMOUNTS OF 2 TO 4 INCHES.  

* DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
  ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
  CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
  QUICKLY. IT ONLY TAKES A FOOT OR TWO OF FLOWING WATER TO SWEEP MOST
  CARS AWAY. REMEMBER...MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.

* RESIDENTS IN FLOOD PRONE AREAS SHOULD MONITOR FLOOD CONDITIONS
  AND BE PREPARED TO MOVE TO HIGHER GROUND SHOULD FLOOD WATERS
  THREATEN. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY MOVE TO
  HIGHER GROUND TO ESCAPE FLOOD WATERS.

LAT...LON 3107 8501 3091 8494 3108 8474 3109 8464
          3126 8453 3124 8487 3109 8492

.END

5-MOLLERE

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 15, 12:28 AM EDT	Flash Flood Warning	TAE	Seminole	92 min
Sep 15, 1:04 AM EDT	Flash Flood Warning	TAE	Baker, Early, Miller	116 min
Sep 15, 2:37 AM EDT	Flash Flood Warning	TAE	Early	83 min
Sep 15, 3:06 AM EDT	Flash Flood Warning	TAE	Seminole	114 min
Sep 15, 4:11 AM EDT	Tornado Warning	TAE	Miller, Seminole	29 days

Nearby

Flash Flood Warnings in Georgia, 2002 Every flash flood warning in 2002

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.