Alert archive / Mississippi / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 227, NWS Memphis, TN

November 6, 2005DeSoto County, Mississippi; Shelby County, Tennessee; Crittenden County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Nov 6, 2005, 1:30 AM CST for DeSoto County, Mississippi; Shelby County, Tennessee; Crittenden County, Arkansas. It was in force for 30 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: Nov 6, 2005, 1:30 AM CST (07:30 UTC)
Expired: Nov 6, 2005, 2:00 AM CST
In force: 30 min
Issued by: NWS Memphis, TN
Area: Counties, with a storm outline in the text

Counties Crittenden County, AR, DeSoto County, MS, Shelby County, TN

The radar

The Memphis radar (KNQA), 33 km from the middle of the area, began a volume at 07:31 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 6, 1:00 AM CST	Severe Thunderstorm Watch	SPC	85 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 7.5 hours before the alert went out and 31 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 794 J/kg
Mixed-layer CIN: -118 J/kg
Mixed-layer LCL: 1289 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 300 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Nov 5, 10:24 PM CST, 3 hours 6 minutes earlier.

Area forecast discussion, Nov 5, 10:24 PM CST, 3 hours 6 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
1024 PM CST SAT NOV 5 2005

.UPDATE...

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 4 AM CST FOR PORTIONS
OF NORTHEAST ARKANSAS AND THE MISSOURI BOOTHEEL...

LATE UPDATE TONIGHT DUE TO SEVERE THUNDERSTORM WATCH COORDINATION.
A LINE OF STRONG TO SEVERE THUNDERSTORMS PUSHING TOWARDS NORTHEAST
ARKANSAS CURRENTLY. THIS LINE OF STORMS HAS DEVELOPED AHEAD OF AN
EASTWARD MOVING COLD FRONT AND SIGNIFICANT NEGATIVELY TILTED
SHORTWAVE DISTURBANCE MOVING NORTHEAST ACROSS THE SOUTHERN PLAINS STATES.
THE ATMOSPHERE WILL CONTINUE TO DESTABILIZE OVER MAINLY NORTHERN
PORTIONS OF THE MID-SOUTH IN ASSOCIATION WITH THE SHORTWAVE.
ALSO...ATMOSPHERIC SHEAR IS SUFFICIENTLY STRONG TO SUPPORT SOME
SEVERE WIND GUSTS IN THE STRONGEST STORMS. ALSO...LOW LEVEL WIND
FIELD IS BACKED ENOUGH AHEAD OF THE FRONT TO POSE AN ISOLATED
THREAT OF A TORNADO IN ANY SUPERCELLS THAT ARE EMBEDDED WITHIN THE
LINE. ALTHOUGH...THIS THREAT SHOULD BE LIMITED WITH DAMAGING
STRAIGHT-LINE WINDS BEING THE PRIMARY THREAT WITH ALSO A LOWER
THREAT OF ISOLATED LARGE HAIL. A SEVERE THUNDERSTORM WATCH IS IN
EFFECT UNTIL 4 AM FOR PORTIONS OF NORTHEAST ARKANSAS AND THE
MISSOURI BOOTHEEL TO ACCOUNT FOR THIS POTENTIAL. SEVERE POTENTIAL
MAY SPREAD FURTHER EAST INTO NORTHWEST TENNESSEE AFTER
MIDNIGHT...BUT WILL NEED TO SEE HOW THIS EVOLVES AS THERE WILL BE
SOME QUESTION TO THE OVERALL AMOUNT OF INSTABILITY OVER THESE
AREAS AS PRIMARY FOCUS OF LIFT ASSOCIATED WITH THE SHORTWAVE LIFTS
TO THE NORTHEAST OF THE AREA. WILL KEEP AN EYE ON THIS AREA THOUGH
FOR THE REMAINDER OF THE NIGHT.

UPDATED GRIDS AND ZONES ALREADY SENT. STAY ABREAST OF ANY
ADDITIONAL WATCHES OR SEVERE WEATHER WARNINGS ISSUED THROUGH THE
REMAINDER OF THE NIGHT.

&&

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

&&

JLH

Hazardous weather outlook, Nov 5, 3:45 PM CST, 9 hours 45 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MEMPHIS TN
345 PM CST SAT NOV 5 2005

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-061145-
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-
345 PM CST SAT NOV 5 2005

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 OVER THE NORTHERN
PORTION OF THE MIDSOUTH TONIGHT. THE AREA OF CONCERN IS NORTH OF A
LINE FROM FORREST CITY ARKANSAS...TO MEMPHIS...TO HUNTINGDON TENNESSEE.
THIS INCLUDES MEMPHIS...JACKSON...JONESBORO...BLYTHEVILLE AND
DYERSBURG.

A COLD FRONT WILL MOVE THROUGH THE MIDSOUTH TONIGHT. SCATTERED
THUNDERSTORMS ARE EXPECTED TO DEVELOP AHEAD OF THE FRONT. A FEW OF
THESE STORMS COULD BE SEVERE WITH DAMAGING WINDS AND POSSIBLY AN
ISOLATED TORNADO. THE TIME OF GREATEST THREAT IS BETWEEN 9 PM
TONIGHT AND 3 AM SUNDAY MORNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO WIDESPREAD HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS EVENING...ESPECIALLY
NORTH OF INTERSTATE 40.

In the hours before

Local storm report, Nov 6, 12:17 AM CST, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
1217 AM CST SUN NOV 06 2005

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

1213 AM     TSTM WND GST     RECTOR                  36.26N 90.29W
11/06/2005  75 MPH           CLAY               AR   BROADCAST MEDIA

            AT AIRPORT

&&

DSV

Local storm report, Nov 6, 12:30 AM CST, 1 hour before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
1230 AM CST SUN NOV 06 2005

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

1213 AM     TSTM WND GST     RECTOR                  36.26N 90.29W
11/06/2005  75 MPH           CLAY               AR   BROADCAST MEDIA

            AT AIRPORT

1226 AM     HAIL             KENNETT                 36.24N 90.05W
11/06/2005  0.88 INCH        DUNKLIN            MO   EMERGENCY MNGR

1226 AM     TSTM WND GST     KENNETT                 36.24N 90.05W
11/06/2005  70 MPH           DUNKLIN            MO   EMERGENCY MNGR

&&

DSV

Local storm report, Nov 6, 12:39 AM CST, 51 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
1239 AM CST SUN NOV 06 2005

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

1213 AM     TSTM WND GST     RECTOR                  36.26N 90.29W
11/06/2005  75 MPH           CLAY               AR   BROADCAST MEDIA

            AT AIRPORT

1226 AM     TSTM WND GST     KENNETT                 36.24N 90.05W
11/06/2005  70 MPH           DUNKLIN            MO   EMERGENCY MNGR

1226 AM     HAIL             KENNETT                 36.24N 90.05W
11/06/2005  0.88 INCH        DUNKLIN            MO   EMERGENCY MNGR

1229 AM     HAIL             KENNETT                 36.24N 90.05W
11/06/2005  1.00 INCH        DUNKLIN            MO   TRAINED SPOTTER

&&

DSV

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 6, 2:00 AM CST	Severe Thunderstorm Warning	MEG	DeSoto	30 min
Nov 6, 2:32 AM CST	Severe Thunderstorm Warning	MEG	Marshall	28 min
Nov 6, 3:00 AM CST	Severe Thunderstorm Warning	MEG	Benton	30 min
Nov 6, 12:44 AM CST	Severe Thunderstorm Warning	MEG	Dyer, Lake	31 min
Nov 6, 1:10 AM CST	Severe Thunderstorm Warning	MEG	Dyer, Obion	35 min
Nov 6, 1:50 AM CST	Severe Thunderstorm Warning	MEG	Weakley	25 min
Nov 6, 2:08 AM CST	Severe Thunderstorm Warning	MEG	Henry	37 min
Nov 6, 2:29 AM CST	Severe Thunderstorm Warning	MEG	Carroll, Gibson	31 min
Nov 5, 10:26 PM CST	Severe Thunderstorm Warning	MEG	Randolph	29 min
Nov 6, 12:13 AM CST	Severe Thunderstorm Warning	MEG	Clay	32 min
Nov 6, 1:11 AM CST	Severe Thunderstorm Warning	MEG	Crittenden, Lee, St. Francis	19 min
Nov 6, 1:32 AM CST	Severe Thunderstorm Warning	MEG	St. Francis	6 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2005 Severe Thunderstorm Warnings in Tennessee, 2005 Severe Thunderstorm Warnings in Arkansas, 2005 Every severe thunderstorm warning in 2005

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.