Alert archive / Mississippi / Flash Flood Watches in 2010

Flash Flood Watch 2, NWS Memphis, TN

April 22, 201020 counties in Tennessee; 22 counties in Mississippi; 12 counties in Arkansas

NWS Memphis, TN issued this flash flood watch at Apr 22, 2010, 3:31 PM CDT for 20 counties in Tennessee; 22 counties in Mississippi; 12 counties in Arkansas. It took effect at Apr 24, 2010, 1:00 AM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Apr 22, 2010, 3:31 PM CDT (20:31 UTC)
In effect from
Apr 24, 2010, 1:00 AM CDT
Expired
Apr 24, 2010, 4:00 PM CDT
In force
15 hr
Issued by
NWS Memphis, TN
Flood severity
None
All 54 counties

Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Coahoma County, MS, DeSoto County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Yalobusha County, MS, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 41 km from the middle of the area, began a volume at 20:35 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 Memphis, TN wrote its last area forecast discussion before this flash flood watch went out at Apr 22, 2:57 PM CDT, 34 minutes earlier.

Area forecast discussion, Apr 22, 2:57 PM CDT, 34 minutes before
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Hazardous weather outlook, Apr 22, 3:31 PM CDT, 0 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
331 PM CDT THU APR 22 2010

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-232245-
ALCORN-BENTON MS-CALHOUN-CARROLL-CHESTER-CHICKASAW-CLAY-COAHOMA-
CRAIGHEAD-CRITTENDEN-CROCKETT-CROSS-DESOTO-DECATUR-DUNKLIN-DYER-
FAYETTE-GIBSON-GREENE-HARDEMAN-HARDIN-HAYWOOD-HENDERSON-HENRY-
ITAWAMBA-LAFAYETTE-LAKE-LAUDERDALE-LAWRENCE-LEE AR-LEE MS-MADISON-
MARSHALL-MCNAIRY-MISSISSIPPI-MONROE-OBION-PANOLA-PEMISCOT-
PHILLIPS-POINSETT-PONTOTOC-PRENTISS-QUITMAN-RANDOLPH-SHELBY-
ST. FRANCIS-TALLAHATCHIE-TATE-TIPPAH-TIPTON-TISHOMINGO-TUNICA-
UNION-WEAKLEY-YALOBUSHA-
331 PM CDT THU APR 22 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS...
THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

...A MAJOR SEVERE WEATHER OUTBREAK IS EXPECTED SATURDAY...

THUNDERSTORMS MAY DEVELOP LATE FRIDAY AFTERNOON AND FRIDAY NIGHT AS A
WARM...MOIST...AND UNSTABLE AIRMASS ENGULFS THE REGION. IT IS
STILL FAIRLY UNCERTAIN AS TO WHETHER STORMS WILL DEVELOP DURING
THIS TIME FRAME...BUT THOSE THAT DO HAVE A GOOD SHOT OF BECOMING
SEVERE GIVEN THE STRONG WIND SHEAR PRESENT. LARGE HAIL...DAMAGING
WINDS AND TORNADOES ARE POSSIBLE WITH THESE STORMS.

ANOTHER SEVERE WEATHER EPISODE WILL UNFOLD LATE SATURDAY MORNING AND
SATURDAY AFTERNOON. A RAPIDLY STRENGTHENING LOW PRESSURE SYSTEM
WILL TRACK FROM NORTHWEST LOUISIANA ACROSS NORTHWEST MISSISSIPPI
AND INTO WEST TENNESSEE SATURDAY AFTERNOON. TORNADOES... LARGE
HAIL...DAMAGING WINDS...AND FLASH FLOODING WILL BE POSSIBLE.
A FLASH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE MID-SOUTH FOR SATURDAY.

.SPOTTER INFORMATION STATEMENT...

THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS WILL LIKELY BE NEEDED LATE FRIDAY AFTERNOON THROUGH FRIDAY
NIGHT...AND AGAIN ON SATURDAY.

In the hours before

Special weather statement, Apr 22, 3:31 PM CDT, 0 minutes before
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Nearby

Flash Flood Watches in Mississippi, 2010Flash Flood Watches in Tennessee, 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.