Alert archive / Mississippi / Areal Flood Warnings in 2009

Areal Flood Warning 13, NWS Jackson, MS

April 13, 2009Forrest County, Lamar County, Marion County, Mississippi

NWS Jackson, MS issued this areal flood warning at Apr 13, 2009, 2:38 AM CDT for Forrest County, Lamar County, Marion County, Mississippi. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 13, 2009, 2:38 AM CDT (07:38 UTC)
Expired: Apr 13, 2009, 8:30 AM CDT
In force: 6 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties Forrest County, MS, Lamar County, MS, Marion County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.6 hours before the alert went out and 108 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: 1395 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 497 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 485 m²/s²
0-3 km storm-relative helicity: 608 m²/s²
Significant tornado parameter: 5.0
Supercell composite: 19.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal 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 areal flood warning went out at Apr 13, 1:39 AM CDT, 59 minutes earlier.

Area forecast discussion, Apr 13, 1:39 AM CDT, 59 minutes before

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Hazardous weather outlook, Apr 12, 1:17 PM CDT, 13 hours 21 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
117 PM CDT SUN APR 12 2009

LAZ016-023>026-MSZ042>066-072>074-131830-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-YAZOO-
MADISON MS-LEAKE-NESHOBA-KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-
LAUDERDALE-CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-
ADAMS-FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-
JONES-MARION-LAMAR-FORREST-
117 PM CDT SUN APR 12 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR AREAS ALONG AND SOUTH OF I-20.

.DAY ONE...TONIGHT AND MONDAY

SCATTERED TO NUMEROUS SEVERE THUNDERSTORMS WILL BE POSSIBLE FROM LATE
AFTERNOON...THROUGH THIS EVENING TILL AROUND 3 AM AS A SQUALL LINE
PUSHES ACROSS THE REGION. PENNY TO QUARTER SIZED HAIL...DAMAGING WIND
GUSTS AND TORNADOES WILL BE POSSIBLE. THE POTENTIAL DOES EXIST FOR
SOME OF THIS TO REACH SIGNIFICANT LEVELS WITH DESTRUCTIVE WIND GUSTS
GREATER THAN 75 MPH AND A FEW STRONG TORNADOES. LOOK FOR THE MAIN
ACTIVITY TO OCCUR WEST OF I-55 BETWEEN 3 AND 8 PM...THEN ALONG AND
EAST OF I-55 FROM 8 PM TO 3 AM.

.DAYS TWO THROUGH SEVEN...MONDAY NIGHT THROUGH SATURDAY

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS...WILL BE NEED TONIGHT.

ARZ074-075-LAZ007>009-015-MSZ018-019-025-034>036-040-041-131830-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
BOLIVAR-SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-HOLMES-ISSAQUENA-
SHARKEY-
117 PM CDT SUN APR 12 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ARKANSAS...NORTHEAST
LOUISIANA AND THE DELTA REGION OF WEST CENTRAL MISSISSIPPI.

.DAY ONE...TONIGHT AND MONDAY

ISOLATED TO SCATTERED SEVERE STORMS WILL CONTINUE TO BE POSSIBLE THIS
AFTERNOON TILL 8 PM. PENNY TO QUARTER SIZED HAIL WILL BE THE PRIMARY
THREAT. HOWEVER...DAMAGING WINDS AND POSSIBLY EVEN A TORNADO MAY BE
POSSIBLE FOR LOCATIONS CLOSER TO I-20. MOST OF THIS ACTIVITY WILL
EXIT THE AREA BY 8 PM.

.DAYS TWO THROUGH SEVEN...MONDAY NIGHT THROUGH SATURDAY

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS...WILL BE NEEDED THROUGH MID EVENING.

MSZ026>033-037>039-131830-
GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-
ATTALA-WINSTON-NOXUBEE-
117 PM CDT SUN APR 12 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST MISSISSIPPI.

.DAY ONE...TONIGHT AND MONDAY

ISOLATED TO SCATTERED SEVERE STORMS WILL BE POSSIBLE BETWEEN 8 PM AND
3 AM AS A LINE OF STORMS PUSH ACROSS THE REGION. PENNY TO QUARTER
SIZED HAIL LOOK TO BE THE PRIMARY RISK. HOWEVER...DAMAGING WIND AND
EVEN A TORNADO WILL BE POSSIBLE THE CLOSER TO I-20 YOU ARE LOCATED.

.DAYS TWO THROUGH SEVEN...MONDAY NIGHT THROUGH SATURDAY

ISOLATED SEVERE STORMS WILL BE POSSIBLE ACROSS THIS SAME AREA MONDAY
AFTERNOON AS THE COLD FRONT AND UPPER LOW MOVE OVER THE REGION. HAIL
AND DAMAGING WINDS WILL BE THE MAIN RISK BETWEEN 2 AND 8 PM.

OTHER WISE...THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS...WILL BE NEEDED TONIGHT AND THEN POSSIBLY AGAIN MONDAY
AFTERNOON.

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

CME

In the hours before

Local storm report, Apr 12, 11:59 PM CDT, 2 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1159 PM CDT SUN APR 12 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1153 PM     FLASH FLOOD      SUMRALL                 31.42N 89.55W
04/12/2009                   LAMAR              MS   TRAINED SPOTTER

            ABOUT 6.7 INCHES OF RAIN FELL SINCE AROUND 9PM. REPORTED
            BY HAM RADIO OPERATOR.

1153 PM     FLASH FLOOD      3 W HATTIESBURG         31.31N 89.36W
04/12/2009                   LAMAR              MS   TRAINED SPOTTER

            SPOTTER REPORTS ABOUT 7 INCHES OF RAIN FELL SINCE AROUND
            9PM IN THE OAK GROVE COMMUNITY. REPORTED BY HAM RADIO
            OPERATOR.

&&

JCULIN

Local storm report, Apr 13, 12:14 AM CDT, 2 hours 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1214 AM CDT MON APR 13 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1110 PM     TSTM WND DMG     4 E PETAL               31.34N 89.18W
04/12/2009                   FORREST            MS   AMATEUR RADIO

            TREE DOWN ACROSS A ROAD

&&

JCULIN

Local storm report, Apr 13, 12:49 AM CDT, 1 hour 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1249 AM CDT MON APR 13 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1247 AM     FLASH FLOOD      HATTIESBURG             31.31N 89.31W
04/13/2009                   FORREST            MS   EMERGENCY MNGR

            NUMEROUS ROADS FLOODED IN THE CITY OF HATTIESBURG. SOME
            FLOODING IS COMING CLOSE TO HOMES BUT NOT YET IN ANY
            HOMES. ALSO ABOUT 8-10 COUNTY ROADS FLOODED IN THE
            NORTHERN PART OF THE COUNTY AROUND HWY 42. 4.27 INCHES OF
            RAIN REPORTED AT THE EOC IN HATTIESBURG.

&&

JCULIN

Local storm report, Apr 13, 12:52 AM CDT, 1 hour 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1252 AM CDT MON APR 13 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1104 PM     TSTM WND DMG     2 N PETAL               31.37N 89.25W
04/12/2009                   FORREST            MS   EMERGENCY MNGR

            ABOUT 12 TREES DOWN FROM INTERSTATE 59 TO THE PERRY
            COUNTY LINE. MAINLY IN A LINE FROM THE GLENDALE COMMUNITY
            TO THE MACEDONIA AND SUNRISE COMMUNITIES.

&&

JCULIN

Local storm report, Apr 13, 1:03 AM CDT, 1 hour 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
103 AM CDT MON APR 13 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0102 AM     FLASH FLOOD      PETAL                   31.34N 89.25W
04/13/2009                   FORREST            MS   TRAINED SPOTTER

            FLOODING REPORTED ON CORINTH CHURCH ROAD IN PETAL.

&&

JCULIN

Local storm report, Apr 13, 1:47 AM CDT, 51 minutes before

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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 12, 7:19 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Simpson	56 min
Apr 12, 7:27 PM CDT	High Wind Warning	JAN	Attala, Choctaw, Clay, Leake, Montgomery, Neshoba and 3 more	93 min
Apr 12, 7:28 PM CDT	Tornado Warning	JAN	Copiah, Jefferson Davis, Lawrence, Simpson	62 min
Apr 12, 7:42 PM CDT	Flash Flood Warning	JAN	Franklin, Lincoln	3 hr
Apr 12, 7:55 PM CDT	Tornado Warning	JAN	Covington, Jefferson Davis, Simpson, Smith	65 min
Apr 12, 8:12 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	63 min
Apr 12, 8:17 PM CDT	Flash Flood Warning	JAN	Jefferson Davis, Lawrence	3 hr
Apr 12, 8:37 PM CDT	Tornado Warning	JAN	Jasper, Jones	53 min
Apr 12, 8:45 PM CDT	Flash Flood Warning	JAN	Covington, Forrest, Jefferson Davis, Jones, Lamar, Marion	3 hr
Apr 12, 9:07 PM CDT	Severe Thunderstorm Warning	JAN	Jones	53 min
Apr 12, 9:18 PM CDT	Tornado Warning	JAN	Clarke, Jasper	57 min
Apr 12, 9:25 PM CDT	High Wind Warning	JAN	Lowndes	61 min
Apr 12, 9:45 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Forrest, Jefferson Davis, Jones, Lamar, Marion	45 min
Apr 12, 10:06 PM CDT	Severe Thunderstorm Warning	JAN	Lamar, Marion	54 min
Apr 12, 10:38 PM CDT	Wind Advisory	JAN	Clarke, Clay, Jasper, Kemper, Lauderdale, Lowndes and 5 more	2 hr
Apr 12, 10:47 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	58 min
Apr 12, 11:01 PM CDT	Tornado Warning	JAN	Forrest, Jones	44 min
Apr 12, 11:06 PM CDT	Flash Flood Warning	JAN	Forrest, Lamar, Marion	114 min
Apr 12, 11:38 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	52 min
Apr 12, 11:42 PM CDT	Flash Flood Warning	JAN	Forrest, Jones, Lamar, Marion	2 hr
Apr 12, 11:58 PM CDT	Areal Flood Warning	JAN	Covington, Jefferson Davis, Jones, Lamar, Lawrence, Lincoln and 1 more	6 hr
Apr 13, 12:30 AM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	60 min
Apr 13, 12:54 AM CDT	Flash Flood Warning	JAN	Forrest, Lamar	106 min
Apr 13, 1:05 AM CDT	Tornado Warning	JAN	Forrest	12 min
Apr 13, 1:42 AM CDT	Areal Flood Warning	JAN	Covington, Forrest, Jones, Lamar, Marion	6 hr
Apr 13, 4:55 AM CDT	River Flood Warning	JAN	Covington, Forrest	39 hr
Apr 13, 6:18 AM CDT	Dense Fog Advisory	JAN	Adams, Claiborne, Clarke, Copiah, Covington, Forrest and 18 more	81 min
Apr 13, 10:06 AM CDT	River Flood Warning	JAN	Lawrence	11 hr
Apr 13, 3:51 PM CDT	Severe Thunderstorm Warning	JAN	Lamar, Marion	54 min
Apr 13, 4:59 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones	46 min
Apr 13, 5:09 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence	33 min
Apr 13, 5:32 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Simpson	43 min
Apr 13, 6:11 PM CDT	Severe Thunderstorm Warning	JAN	Simpson, Smith	49 min

Nearby

Areal Flood Warnings in Mississippi, 2009 Every areal flood warning 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.