Alert archive / Mississippi / Flash Flood Warnings in 2004

Flash Flood Warning 84, NWS Jackson, MS

October 8, 2004Lamar County, Mississippi

NWS Jackson, MS issued this flash flood warning at Oct 8, 2004, 2:47 PM CDT for Lamar County, Mississippi. It was in force for 3 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 8, 2004, 2:47 PM CDT (19:47 UTC)
Expired
Oct 8, 2004, 6:00 PM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

County Lamar County, MS

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.8 hours before the alert went out and 102 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, Slidell Radar S, LA at 12:00Z on 2004-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 232 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2004-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
232 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
534 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KJAN 082001
FFWJAN
MSC073-082300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
247 PM CDT FRI OCT 8 2004

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR A DAM FAILURE IN...
  LAMAR COUNTY IN SOUTHEAST MISSISSIPPI
  
* UNTIL 600 PM CDT

* AT 120 PM CDT...THE YORKS LAKE DAM...NEAR YORK LANE AND BEACH ROAD 
FAILED...CAUSING FLASH FLOODING IN RURAL LAMAR COUNTY. 

YORKS LAKE DAM ON THE FIVE SPICE CREEK...UPSTREAM FROM GRANTHAM 
CREEK...AND HALF MOON CREEK WHICH FLOWS INTO THE LOWER LITTLE CREEK 
HAS GIVEN WAY. AT 245 PM CDT...WATER FROM 4 TO 6 FEET WAS FLOWING 
ALONG HALF MOON CREEK AND SHOULD APPROACH TATUM SALT-DOME ROAD 
AROUND 320 PM CDT. THE WAVE OF WATER AROUND 4 FEET SHOULD REACH 
CANEY CHURCH ROAD NEAR 4 PM CDT. 

PEOPLE ALONG THE MENTIONED STREAMS SHOULD TAKE IMMEDIATE ACTION. 
STAY TUNED TO LOCAL MEDIA AND EMERGENCY MANAGEMENT OFFICIALS FOR 
FURTHER INSTRUCTIONS OR ANY REQUIRED EVACUATIONS.

LAT...LON 3103 8962 3101 8945 3136 8938 3136 8960

$$
1 follow-up statement
000 
WGUS74 KJAN 082243
FFSJAN
MSC073-082300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
540 PM CDT FRI OCT 8 2004

FLASH FLOOD WARNING FOR DAM FAILURE WILL BE ALLOWED TO EXPIRE AT 6 
PM FOR...

LAMAR COUNTY IN SOUTHEAST MISSISSIPPI

YORKS LAKE DAM ON THE FIVE SPICE CREEK...UPSTREAM FROM GRANTHAM 
CREEK FAILED TODAY AT 120 PM. THE FLOOD WATERS COVERED RL ANDERSON 
ROAD AFTER FAILURE AND PROCEEDED DOWN STREAM. NO FLOODING PROBLEMS 
HAVE BEEN REPORTED SINCE 230 PM AS THE WATERS SEEM TO HAVE DISPERSED 
AS IT PROGRESSED DOWN STREAM. THEREFORE THE FLASH FLOOD WARNING WILL 
BE ALLOWED TO EXPIRE AT 6 PM.

LAT...LON 3124 8943 3106 8941 3106 8964 3128 8961

$$

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, MS wrote its last area forecast discussion before this flash flood warning went out at Oct 8, 2:54 AM CDT, 11 hours 53 minutes earlier.

Area forecast discussion, Oct 8, 2:54 AM CDT, 11 hours 53 minutes before
JAN TT 075/064 074/067 076 17589
    TEBBE 062/076 059/079 057/076 052/075 7532110114
MEI CT 077/063 074/065 077 17279
    TEBBE 061/076 057/080 055/078 051/075 8553110114
Hazardous weather outlook, Oct 8, 5:08 AM CDT, 9 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
508 AM CDT FRI OCT 08 2004

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
091008-
ADAMS-ASHLEY-ATTALA-BOLIVAR-CARROLL-CATAHOULA-CHICOT-CHOCTAW-
CLAIBORNE-CLARKE-CLAY-CONCORDIA-COPIAH-COVINGTON-EAST CARROLL-
FORREST-FRANKLIN LA-FRANKLIN MS-GRENADA-HINDS-HOLMES-HUMPHREYS-
ISSAQUENA-JASPER-JEFFERSON-JEFFERSON DAVIS-JONES-KEMPER-LAMAR-
LAUDERDALE-LAWRENCE-LEAKE-LEFLORE-LINCOLN-LOWNDES-MADISON LA-
MADISON MS-MARION-MONTGOMERY-MOREHOUSE-NESHOBA-NEWTON-NOXUBEE-
OKTIBBEHA-RANKIN-RICHLAND-SCOTT-SHARKEY-SIMPSON-SMITH-SUNFLOWER-
TENSAS-WARREN-WASHINGTON-WEBSTER-WEST CARROLL-WINSTON-YAZOO-
508 AM CDT FRI OCT 08 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI...
NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS

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

...FLOODING...
PERSISTENT MODERATE TO LOCALLY HEAVY RAINFALL WILL IMPACT THE
WESTERN HALF OF MISSISSIPPI...NORTHEAST LOUISIANA AND SOUTHEAST
ARKANSAS LATER TODAY THROUGH TONIGHT. THE RAINS COULD TOTAL ONE
TO TWO INCHES BY DAYBREAK SATURDAY MAINLY WEST OF THE INTERSTATE
55 CORRIDOR.  SOME OF THESE LOCATIONS HAVE NOT SEEN SUBSTANTIAL
RAINFALL IN THE PAST SIX WEEKS AND A GOOD SOAKING WILL BE WELCOME
AS THE RAINS ARE EXPECTED TO CONTINUE INTO SATURDAY NIGHT.

THE RAINFALL WILL LIKELY PRODUCE PONDING OF WATER ON ROADWAYS AND
IN POOR DRAINAGE AREAS...ESPECIALLY TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

...DAYS TWO AND THREE...SATURDAY AND SUNDAY...
A FEW STRONG THUNDERSTORMS COULD AFFECT PORTIONS OF SOUTH
MISSISSIPPI LATER ON SATURDAY AND SATURDAY NIGHT. INCREASING
SOUTHERLY WINDS WILL BRING UNSTABLE GULF AIR INTO THE LOWER
MISSISSIPPI VALLEY AND HELP FUEL STRONG THUNDERSTORMS. THE
STRONGER STORMS SHOULD STAY GENERALLY ALONG AND SOUTH OF THE
HIGHWAY 84 CORRIDOR WITH TORRENTIAL RAINS AND GUSTY WINDS TO 40
MPH.

...DAYS FOUR THROUGH SEVEN...MONDAY THROUGH THURSDAY...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS... AND
EMERGENCY MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER
OPERATIONS...IS NOT EXPECTED THROUGH THURSDAY NIGHT...OCTOBER
14TH.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

Nearby

Flash Flood Warnings in Mississippi, 2004Every flash flood warning in 2004

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.