Alert archive / Mississippi / Flash Flood Watches in 2010

Flash Flood Watch 4, NWS Jackson, MS

April 30, 201020 counties in Mississippi; East Carroll Parish, Morehouse Parish, West Carroll Parish, Louisiana; Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this flash flood watch at Apr 30, 2010, 3:08 PM CDT for 20 counties in Mississippi; East Carroll Parish, Morehouse Parish, West Carroll Parish, Louisiana; Ashley County, Chicot County, Arkansas. It took effect at May 1, 2010, 1:00 AM CDT. It was in force for 47 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2010, 3:08 PM CDT (20:08 UTC)
In effect from
May 1, 2010, 1:00 AM CDT
Expired
May 3, 2010, 12:00 AM CDT
In force
47 hr
Issued by
NWS Jackson, MS
Flood severity
None
All 25 counties

Ashley County, AR, Chicot County, AR, East Carroll Parish, LA, Morehouse Parish, LA, West Carroll Parish, LA, Attala County, MS, Bolivar County, MS, Carroll County, MS, Choctaw County, MS, Clay County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Leflore County, MS, Lowndes County, MS, Montgomery County, MS, Noxubee County, MS, Oktibbeha County, MS, Sharkey County, MS, Sunflower County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 109 km from the middle of the area, began a volume at 20:07 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.

What forecasters said that day

The local office's own words before this flash flood watch 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 watch went out at Apr 30, 11:55 AM CDT, 3 hours 13 minutes earlier.

Area forecast discussion, Apr 30, 11:55 AM CDT, 3 hours 13 minutes before
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Hazardous weather outlook, Apr 30, 3:07 PM CDT, 1 minute before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
307 PM CDT FRI APR 30 2010

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
012015-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-
SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-
CHOCTAW-OKTIBBEHA-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-WINSTON-
NOXUBEE-ISSAQUENA-SHARKEY-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-
307 PM CDT FRI APR 30 2010

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

.DAY ONE...TONIGHT AND SATURDAY

ISOLATED TO SCATTERED SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS
THE OUTLOOK AREA THROUGH TONIGHT...WITH THE GREATEST POTENTIAL FOR
SEVERE THUNDERSTORMS ALONG AND NORTHWEST OF THE NATCHEZ TRACE PARKWAY
CORRIDOR AND ESPECIALLY ACROSS THE NORTHWEST DELTA REGION. HAIL TO
THE SIZE OF GOLF BALLS...DAMAGING WIND GUSTS TO 70 MPH...AND
TORNADOES WILL ALL BE POSSIBLE WITH THE SEVERE THUNDERSTORMS. VERY
HEAVY RAINFALL WILL ACCOMPANY THE SHOWERS AND THUNDERSTORMS...AND
FLASH FLOODING WILL BE POSSIBLE ALONG AND NORTHWEST OF A LINE FROM
GRENADA TO YAZOO CITY TO BASTROP. THIS ACTIVITY COMES AS COPIOUS
AMOUNTS OF MOISTURE ARE DRAWN INTO THE REGION AHEAD OF A DEVELOPING
LOW PRESSURE SYSTEM.

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

A SEVERE WEATHER OUTBREAK IS EXPECTED ON SATURDAY. TORNADOES...HAIL
TO THE SIZE OF GOLF BALLS...AND DAMAGING WIND GUSTS TO 70 MPH WILL
ALL BE POSSIBLE WITH THE SEVERE THUNDERSTORMS. THE GREATEST RISK FOR
SEVERE THUNDERSTORMS WILL BE ALONG AND NORTHWEST OF THE NATCHEZ TRACE
PARKWAY CORRIDOR AND ESPECIALLY ACROSS THE NORTHWEST DELTA REGION.
THERE WILL BE THE POTENTIAL FOR STRONG TORNADOES ACROSS THE NORTHWEST
DELTA REGION ON SATURDAY. WHILE SEVERE WEATHER WILL BE POSSIBLE AT
ANY TIME ON SATURDAY...THE MOST LIKELY TIME FOR SEVERE WEATHER WILL
BE DURING THE AFTERNOON AND EVENING HOURS ON SATURDAY. THE RISK FOR
SEVERE WEATHER WILL CONTINUE INTO SATURDAY NIGHT AND SUNDAY.

VERY HEAVY RAINFALL IS EXPECTED WITH THE THUNDERSTORMS. TOTAL
RAINFALL AMOUNTS OF 3 TO 6 INCHES ARE EXPECTED THROUGH THE
WEEKEND...WITH THE HIGHEST TOTALS ACROSS THE NORTHWEST DELTA. FLASH
FLOODING WILL BE A CONCERN ACROSS THE ARKLAMISS REGION.

.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 AT TIMES TONIGHT AND WILL BE NEEDED ON
SATURDAY AND POSSIBLY INTO SUNDAY.

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

COHEN

In the hours before

Special weather statement, Apr 30, 2:50 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
250 PM CDT FRI APR 30 2010

MSZ026>028-302030-
GRENADA MS-CARROLL MS-MONTGOMERY MS-
250 PM CDT FRI APR 30 2010

A STRONG THUNDERSTORM CAPABLE OF PRODUCING PEA TO DIME SIZE HAIL WAS
LOCATED OVER ELLIOTT AT 250 PM CDT...MOVING NORTHEAST AT 45 MPH.

VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS STORM.

DANGEROUS CLOUD TO GROUND LIGHTNING IS ALSO POSSIBLE WITH THIS STORM.

PEOPLE IN NORTHWESTERN MONTGOMERY...NORTH CENTRAL CARROLL AND EASTERN
GRENADA COUNTIES SHOULD MONITOR THIS STORM CLOSELY.

JA

Nearby

Flash Flood Watches in Mississippi, 2010Flash Flood Watches in Louisiana, 2010Flash Flood Watches in Arkansas, 2010Every flash flood watch in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.