Alert archive / Tennessee / Flash Flood Watches in 2008
Flash Flood Watch 3, NWS Memphis, TN
NWS Memphis, TN issued this flash flood watch at Mar 30, 2008, 2:34 PM CDT for DeSoto County, Tunica County, Mississippi; 18 counties in Tennessee; 11 counties in Arkansas. It took effect at Mar 30, 2008, 4:00 PM CDT. It was in force for 35 hr.
The area
The counties it named.
The facts
- Issued
- Mar 30, 2008, 2:34 PM CDT (19:34 UTC)
- In effect from
- Mar 30, 2008, 4:00 PM CDT
- Expired
- Apr 1, 2008, 2:37 AM CDT
- In force
- 35 hr
- Issued by
- NWS Memphis, TN
- Flood severity
- None
All 31 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, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, DeSoto County, MS, Tunica 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, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN
The radar
The Memphis radar (KNQA), 40 km from the middle of the area, began a volume at 19:37 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
Jackson, MS (KJAN), launched 12:00Z, 7.6 hours before the alert went out and 374 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
- 1043 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 447 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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 Mar 30, 10:54 AM CDT, 3 hours 40 minutes earlier.
Area forecast discussion, Mar 30, 10:54 AM CDT, 3 hours 40 minutes before
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</html>Hazardous weather outlook, Mar 30, 4:33 AM CDT, 10 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 433 AM CDT SUN MAR 30 2008 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-311145- 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- 433 AM CDT SUN MAR 30 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS... THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE. .DAY ONE...TODAY AND TONIGHT HEAVY RAINFALL OF 1 TO 2 INCHES THROUGH 10 PM CDT MAY ENHANCE FLOODING ACROSS NORTHEAST ARKANSAS AND THE MISSOURI BOOTHEEL. A FEW STRONG THUNDERSTORMS WITH HEAVY DOWNPOURS AND SMALL HAIL MAY OCCUR ACROSS THE ENTIRE MIDSOUTH THROUGH 10 PM CDT. GUSTY WINDS UP TO 50 MPH MAY OCCUR WITH WITH A FEW STRONG THUNDERSTORMS OVER NORTH MISSISSIPPI BETWEEN 2 AND 10 PM CDT. MANY RIVERS OVER NORTHEAST ARKANSAS AND THE MISSOURI BOOTHEEL REMAIN ABOVE FLOOD STAGE. SOME RIVERS HAVE CRESTED...BUT FLOODING WILL STILL OCCUR IN AGRICULTURAL AREAS ADJACENT TO RIVERS. CONSULT THE LATEST NATIONAL WEATHER SERVICE RIVER FORECASTS AND RIVER FLOOD WARNINGS FOR DETAILED INFORMATION. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY HEAVY RAIN IS POSSIBLE OVER MUCH OF THE MIDSOUTH MONDAY NIGHT INTO TUESDAY MORNING ALONG AND AHEAD OF A COLD FRONT. WIDESPREAD 1 TO 3 INCHES OF RAINFALL MAY OCCUR. THIS MAY RESULT IN FLASH FLOODING AND ALSO AGGRAVATE ONGOING RIVER FLOODING. FLASH FLOOD WATCHES MAY BE REQUIRED FOR PARTS OF THE MIDSOUTH MONDAY NIGHT INTO TUESDAY MORNING. SEVERE THUNDERSTORMS ARE POSSIBLE MONDAY NIGHT THROUGH MIDDAY TUESDAY AS WELL. THE PRIMARY HAZARDS WILL BE DAMAGING WINDS AND HAIL. STRONG WINDS WITH GUSTS OF 40 MPH OR GREATER ARE POSSIBLE MONDAY AND MONDAY NIGHT ACROSS THE MIDSOUTH. WIND ADVISORIES MAY BE NEEDED. .SPOTTER INFORMATION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...EMERGENCY MANAGEMENT...AND LAW ENFORCEMENT OFFICIALS MAY BE REQUIRED MONDAY NIGHT AND TUESDAY IN SUPPORT OF SEVERE WEATHER OPERATIONS. SPOTTERS ARE ALSO ENCOURAGED TO REPORT ANY FLASH FLOODING OR ANY NEW FLOODING TO THE NATIONAL WEATHER SERVICE OFFICE IN MEMPHIS TENNESSEE. MBS
In the hours before
Special weather statement, Mar 30, 9:06 AM CDT, 5 hours 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 906 AM CDT SUN MAR 30 2008 MSZ011-012-020-021-301445- PANOLA MS-QUITMAN MS-YALOBUSHA MS-TALLAHATCHIE MS- 906 AM CDT SUN MAR 30 2008 ...THIS SIGNIFICANT WEATHER ALERT IS FOR... SOUTHERN PANOLA COUNTY IN NORTHWEST MISSISSIPPI... SOUTHERN QUITMAN COUNTY IN NORTHWEST MISSISSIPPI... NORTHERN TALLAHATCHIE COUNTY IN NORTHWEST MISSISSIPPI... WESTERN YALOBUSHA COUNTY IN NORTHWEST MISSISSIPPI... A STRONG THUNDERSTORM PRODUCING PEA TO DIME SIZE HAIL WAS LOCATED 5 MILES EAST OF BRAZIL AT 906 AM CDT...MOVING EAST AT 30 MPH. THIS THUNDERSTORM WAS ALSO PRODUCE VERY HEAVY RAIN. PEOPLE IN PANOLA...QUITMAN...TALLAHATCHIE AND YALOBUSHA COUNTIES... INCLUDING THE CITY OF CHARLESTON...SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT IS IN EFFECT UNTIL 945 AM CDT.
Special weather statement, Mar 30, 10:15 AM CDT, 4 hours 19 minutes before
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</html>The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 9:13 AM CDT | Severe Thunderstorm Warning | MEG | Panola, Quitman, Tallahatchie, Yalobusha | 62 min |
| Mar 30, 9:42 AM CDT | Flash Flood Warning | MEG | Quitman, Tallahatchie | 3 hr |
| Mar 30, 2:12 PM CDT | River Flood Warning | MEG | Crockett, Dyer, Lauderdale | 19 hr |
| Mar 30, 8:51 AM CDT | River Flood Warning | MEG | Craighead | 15 days |
| Mar 30, 8:53 AM CDT | River Flood Warning | MEG | Mississippi, Poinsett | 16 days |
Nearby
Flash Flood Watches in Tennessee, 2008Flash Flood Watches in Arkansas, 2008Flash Flood Watches in Mississippi, 2008Every flash flood watch in 2008
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.