Alert archive / Mississippi / Flash Flood Warnings in 2002

Flash Flood Warning 14, NWS Mobile, AL

October 28, 2002Greene County, Perry County, Mississippi

NWS Mobile, AL issued this flash flood warning at Oct 28, 2002, 11:29 AM CST for Greene County, Perry County, Mississippi. It was in force for 2 hr. 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 28, 2002, 11:29 AM CST (17:29 UTC)
Expired: Oct 28, 2002, 1:30 PM CST
In force: 2 hr
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

Counties Greene County, MS, Perry County, MS

The radar

The Mobile radar (KMOB), 72 km from the middle of the area, began a volume at 17:31 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.5 hours before the alert went out and 121 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: 1864 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 509 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 7.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 281729
FFWMOB
MSC041-111-281930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1128 AM CST MON OCT 28 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI
  THIS INCLUDES THE CITY OF LEAKESVILLE
  SOUTHERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 130 PM CST

* AT 1121 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER JANICE...OR ABOUT 10 MILES NORTHEAST OF WIGGINS...MOVING
  NORTHEAST AT 25 MPH.

* THE THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE NEAR...
  OVER ROYCE AT 1150 AM CST
  5 MILES SOUTHEAST OF NEELY AT 1205 PM CST
  OVER LEAKESVILLE...5 MILES SOUTHEAST OF JONATHAN AT 1225 PM CST
  6 MILES NORTHWEST OF PISGAH AT 1235 PM CST
  3 MILES NORTHWEST OF ROUNSAVILLE AT 1240 PM CST

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS 
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT 
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH 
BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT 
IMMEDIATELY AND SEEK HIGHER GROUND. DO NOT ATTEMPT TO CROSS 
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. 
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO 
ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. RESIDENTS LIVING ALONG 
STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE 
AND PROPERTY. 

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

LAT...LON 3102 8913 3086 8905 3101 8886 3110 8845
          3130 8849

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 28, 2:15 PM CST	Flash Flood Warning	MOB	George, Greene	2 hr
Oct 28, 4:55 PM CST	Flash Flood Warning	MOB	George, Stone	4 hr

Nearby

Flash Flood Warnings in Mississippi, 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; radar from the NEXRAD Level II archive.