Alert archive / Mississippi / Flash Flood Warnings in 2008

Flash Flood Warning 114, NWS Memphis, TN

July 5, 20086 counties in Mississippi

NWS Memphis, TN issued this flash flood warning at Jul 5, 2008, 5:12 PM CDT for 6 counties in Mississippi. It was in force for 89 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 5, 2008, 5:12 PM CDT (22:12 UTC)
Expired
Jul 5, 2008, 6:41 PM CDT
In force
89 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties DeSoto County, MS, Lafayette County, MS, Marshall County, MS, Panola County, MS, Tate County, MS, Tunica County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.2 hours before the alert went out and 25 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-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2008-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1781 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2008-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1781 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
996 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 warning went out at Jul 5, 3:00 PM CDT, 2 hours 12 minutes earlier.

Area forecast discussion, Jul 5, 3:00 PM CDT, 2 hours 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
300 PM CDT SAT JUL 5 2008

.DISCUSSION...
SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP AND MOVE
ACROSS EASTERN ARKANSAS AND NORTH MISSISSIPPI THIS AFTERNOON.
SOME OF THESE STORMS HAVE BEEN STRONG BUT FOR THE MOST PART...HAVE
STAYED UNDER SEVERE THUNDERSTORM CRITERIA. THESE STORMS WILL
LIKELY CONTINUE THROUGH THE EVENING AND OVERNIGHT HOURS AS A
STATIONARY FRONT REMAINS OVER THE AREA AND AN UPPER LEVEL IMPULSE
MOVES ACROSS THE MIDSOUTH FROM THE NORTHWEST. THINK THE BEST
CHANCE FOR CONVECTION WILL ONCE AGAIN BE LIMITED TO EASTERN
ARKANSAS AND NORTH MISSISSIPPI AS DRIER AIR BEGINS TO FILTER
ACROSS NORTHERN PORTIONS OF THE MIDSOUTH AS SEEN ON WATER VAPOR.
AREAS OF FOG...SOME POSSIBLY DENSE...WILL DEVELOP ONCE AGAIN AFTER
MIDNIGHT IN MUCH OF THE SAME LOCATIONS AS LAST NIGHT. DECIDED TO
HOLD OFF ON A DENSE FOG ADVISORY FOR NOW AND WILL LET THE EVENING
SHIFT REEVALUATE THIS POSSIBILITY.

UPPER LEVEL TROUGH WILL SLOWLY MOVE ACROSS THE AREA ON SUNDAY
HELPING TO INITIATE MORE SHOWERS AND THUNDERSTORMS ESPECIALLY
DURING THE AFTERNOON AND EVENING HOURS. THINK THE BEST CHANCE FOR
STORMS WILL BE ACROSS NORTH MISSISSIPPI AGAIN BUT NOT AS
WIDESPREAD AS TODAY. AS A RESULT...WARMEST TEMPERATURES WILL
OCCUR WEST OF THE MISSISSIPPI RIVER WITH HIGHS IN THE LOW TO MID
90S WHILE AREAS EAST OF THE RIVER WILL REACH THE MID TO UPPER 80S.

UPPER RIDGE WILL BEGIN TO BUILD OVER THE AREA ON MONDAY AND
EVENTUALLY BRING DRIER AIR INTO THE AREA. AFTERNOON AND EVENING
CONVECTION LOOKS TO DEVELOP ONCE AGAIN ACROSS NORTHEAST
MISSISSIPPI ON MONDAY WHERE THE MOISTURE AND LIFT WILL BE GREATEST.
THIS TREND WILL CONTINUE ON TUESDAY WHERE MOST LOCATIONS WILL BE
DRY AND WARM WITH SOME AREAS NEARING THE MID 90S FOR HIGHS.

BY MID WEEK...ANOTHER COLD FRONT ASSOCIATED WITH AN UPPER TROUGH
WILL BEGIN TO APPROACH THE AREA FROM THE NORTH. THIS FRONT LOOKS TO
STALL JUST NORTH OF THE FORECAST AREA BUT WILL BECOME A FOCUS FOR
THUNDERSTORM DEVELOPMENT WEDNESDAY AND THURSDAY. AN UPPER RIDGE
ONCE AGAIN BUILDS BACK ACROSS THE AREA ON FRIDAY BRINGING SOMEWHAT
DRIER CONDITIONS TO THE MIDSOUTH. HIGH TEMPERATURES WILL RETURN
TO THE LOW TO POSSIBLY MID 90S WITH LOWS NEAR 70 DEGREES.

&&

.PRELIMINARY POINT TEMPS/POPS...
MEM  72  91  75  92 /  30  20  10  10
MKL  66  90  70  90 /  20  20  10  10
JBR  70  93  73  95 /  30  20  10  10
TUP  69  88  71  90 /  40  30  10  20

&&

.MEG WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
MO...NONE.
MS...NONE.
TN...NONE.
&&

KNS
Hazardous weather outlook, Jul 5, 3:39 PM CDT, 1 hour 33 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MEMPHIS TN
339 PM CDT SAT JUL 5 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>092-062245-
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-
339 PM CDT SAT JUL 5 2008

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A FEW STRONG THUNDERSTORMS WILL BE POSSIBLE ACROSS EASTERN
ARKANSAS AND NORTH MISSISSIPPI THIS EVENING. THE MAIN HAZARDS
WITH ANY STRONG THUNDERSTORM THAT DEVELOPS WILL BE WIND
GUSTS UP TO 40 MPH...SMALL HAIL...AND LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

KNS

In the hours before

Special weather statement, Jul 5, 1:33 PM CDT, 3 hours 39 minutes before
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Special weather statement, Jul 5, 2:30 PM CDT, 2 hours 42 minutes before
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Special weather statement, Jul 5, 3:47 PM CDT, 1 hour 25 minutes before
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Special weather statement, Jul 5, 4:38 PM CDT, 34 minutes before
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Local storm report, Jul 5, 4:40 PM CDT, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
440 PM CDT SAT JUL 05 2008

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

0425 PM     HAIL             4 S HERNANDO            34.77N 89.99W
07/05/2008  E0.75 INCH       DESOTO             MS   TRAINED SPOTTER

            PENNY SIZE HAIL ON HIGHWAY 51 AND WHEELER ROAD.

&&

CCD
Local storm report, Jul 5, 4:58 PM CDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
458 PM CDT SAT JUL 05 2008

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

0420 PM     HAIL             TREMONT                 34.23N 88.25W
07/05/2008  E0.75 INCH       ITAWAMBA           MS   TRAINED SPOTTER

            PENNY SIZE HAIL IN TREMONT.

0425 PM     HAIL             4 S HERNANDO            34.77N 89.99W
07/05/2008  E0.75 INCH       DESOTO             MS   TRAINED SPOTTER

            PENNY SIZE HAIL ON HIGHWAY 51 AND WHEELER ROAD.

&&

CCD

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 3:54 PM CDTSevere Thunderstorm WarningMEGItawamba36 min
Jul 5, 5:35 PM CDTSevere Thunderstorm WarningMEGDeSoto25 min
Jul 5, 6:20 PM CDTSevere Thunderstorm WarningMEGBenton, Tippah40 min
Jul 5, 3:57 AM CDTDense Fog AdvisoryMEGCarroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more4 hr
Jul 5, 6:14 PM CDTSevere Thunderstorm WarningMEGFayette, Hardeman46 min
Jul 5, 6:49 PM CDTAreal Flood AdvisoryMEGShelby36 min
Jul 5, 6:54 PM CDTAreal Flood AdvisoryMEGFayette, Hardeman36 min

Nearby

Flash Flood Warnings in Mississippi, 2008Every flash flood warning 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.