Alert archive / Mississippi / Flash Flood Watches in 2009
Flash Flood Watch 2, NWS Memphis, TN
NWS Memphis, TN issued this flash flood watch at Feb 27, 2009, 3:14 PM CST for 12 counties in Mississippi; Phillips County, Arkansas. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Feb 27, 2009, 3:14 PM CST (21:14 UTC)
- Expired
- Feb 28, 2009, 5:42 AM CST
- In force
- 14 hr
- Issued by
- NWS Memphis, TN
- Flood severity
- None
Counties Phillips County, AR, Calhoun County, MS, Chickasaw County, MS, Coahoma County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Monroe County, MS, Panola County, MS, Pontotoc County, MS, Quitman County, MS, Tallahatchie County, MS, Yalobusha County, MS
The radar
The Columbus AFB radar (KGWX), 115 km from the middle of the area, began a volume at 21:14 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
Little Rock, AR (KLZK), launched 12:00Z, 9.2 hours before the alert went out and 83 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.
- Mixed-layer CAPE
- 454 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 Feb 27, 2:40 PM CST, 34 minutes earlier.
Area forecast discussion, Feb 27, 2:40 PM CST, 34 minutes before
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</html>Hazardous weather outlook, Feb 27, 9:01 AM CST, 6 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MEMPHIS TN 901 AM CST FRI FEB 27 2009 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-281715- 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- 901 AM CST FRI FEB 27 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS... THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF NORTH MISSISSIPPI GENERALLY SOUTH OF A LINE FROM CHARLESTON TO AMORY. THE MAIN THREAT FROM THESE THUNDERSTORMS WOULD BE LARGE HAIL AND POSSIBLY DAMAGING WINDS. HEAVY RAIN IS POSSIBLE TODAY AND TONIGHT ESPECIALLY OVER NORTH MISSISSIPPI. RAINFALL AMOUNTS OF ONE TO TWO INCHES WILL BE POSSIBLE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY MUCH COLDER AIR WILL MOVE INTO THE MIDSOUTH SATURDAY. RAIN WILL LIKELY CHANGE TO SNOW DURING THE AFTERNOON AND CONTINUE INTO SATURDAY NIGHT. SOME SNOW ACCUMULATIONS WILL BE POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.
In the hours before
Special weather statement, Feb 27, 10:12 AM CST, 5 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1012 AM CST FRI FEB 27 2009 MSZ020-271645- TALLAHATCHIE MS- 1012 AM CST FRI FEB 27 2009 ...THIS SIGNIFICANT WEATHER ALERT IS FOR... SOUTH CENTRAL TALLAHATCHIE COUNTY IN NORTHWEST MISSISSIPPI... A STRONG THUNDERSTORM PRODUCING PEA TO DIME SIZE HAIL WAS LOCATED OVER LEFLORE COUNTY AT 1012 AM CST...MOVING EAST AT 35 MPH. PEOPLE IN TALLAHATCHIE COUNTY SHOULD MONITOR THIS STORM CLOSELY. .A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT FOR THE ALERT AREA.
Special weather statement, Feb 27, 11:39 AM CST, 3 hours 35 minutes before
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</html>Special weather statement, Feb 27, 3:14 PM CST, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 314 PM CST FRI FEB 27 2009 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-281015- 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- INCLUDING THE CITIES OF...ABERDEEN...AMORY...BARTLETT... BATESVILLE...BLYTHEVILLE...BOLIVAR...BOONEVILLE... CARUTHERSVILLE...CLARKSDALE...COLLIERVILLE...CORINTH... COVINGTON...DRESDEN...DYERSBURG...FORREST CITY...GERMANTOWN... HARRISBURG...HELENA...HUMBOLDT...HUNTINGDON...IUKA...JACKSON... JONESBORO...KENNETT...LEXINGTON...MARTIN...MEMPHIS...MILAN... MILLINGTON...NEW ALBANY...OLIVE BRANCH...OXFORD...PARAGOULD... PARIS...SAVANNAH...SOMERVILLE...SOUTHAVEN...TUNICA...TUPELO... UNION CITY...WALNUT RIDGE...WEST MEMPHIS...WYNNE 314 PM CST FRI FEB 27 2009 ...ACCUMULATING SNOW IS EXPECTED ACROSS MUCH OF THE MID-SOUTH ON SATURDAY AND SATURDAY NIGHT... A LARGE UPPER LEVEL STORM SYSTEM WILL MOVE INTO THE CENTRAL PLAINS TONIGHT AND REACH THE MID-SOUTH BY SATURDAY EVENING. AHEAD OF THE UPPER LOW...WIDESPREAD RAIN IS EXPECTED TO FALL ACROSS MUCH OF THE MID-SOUTH. AS THE UPPER LOW MOVES INTO THE MID-SOUTH...MUCH COLDER AIR NEAR THE LOW WILL CHANGE THE RAIN TO SNOW. THE CHANGE OVER FROM RAIN TO SNOW WILL START IN NORTHEAST ARKANSAS BY LATE MORNING AND THEN ACROSS THE REMAINDER OF THE MID-SOUTH BY EARLY SATURDAY EVENING. THE CHANGEOVER IN THE MEMPHIS METROPOLITAN AREA WILL OCCUR ABOUT MID-AFTERNOON. AS THE UPPER LOW CONTINUE TO MOVE ACROSS THE REGION SATURDAY EVENING...SNOW WILL CONTINUE TO FALL. TOTAL SNOW ACCUMULATIONS OF 1 TO 2 ARE POSSIBLE MAINLY ON GRASSY SURFACES. THE AMOUNT OF SNOW THAT FALLS WILL BE HIGHLY DEPENDENT ON THE TRACK OF THE UPPER LOW SO THERE REMAINS QUITE A BIT OF UNCERTAINTY. A WINTER WEATHER ADVISORY MAY BE ISSUED BY SATURDAY MORNING. ROAD CONDITIONS COULD BECOME HAZARDOUS FOR A PERIOD DEPENDING ON HOW HEAVY THE SNOW FALLS. PERSONS IN THE MID-SOUTH SHOULD MONITOR WEATHER CONDITIONS ON SATURDAY AND BE PREPARED FOR POTENTIAL WINTER WEATHER.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 6:49 AM CST | Flash Flood Warning | MEG | Calhoun, Chickasaw, Tallahatchie, Yalobusha | 3 hr |
| Feb 27, 9:51 AM CST | Areal Flood Advisory | MEG | Tallahatchie, Yalobusha | 114 min |
| Feb 27, 11:33 AM CST | Flash Flood Warning | MEG | Tallahatchie, Yalobusha | 3 hr |
| Feb 27, 12:41 PM CST | Areal Flood Advisory | MEG | Calhoun, Chickasaw, Monroe | 3 hr |
| Feb 26, 11:49 PM CST | Severe Thunderstorm Warning | MEG | Clay, Greene, Randolph | 41 min |
Nearby
Flash Flood Watches in Mississippi, 2009Flash Flood Watches in Arkansas, 2009Every flash flood watch 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; radar from the NEXRAD Level II archive.