Alert archive / Mississippi / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 320, NWS Memphis, TN

October 8, 20144 counties in Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Oct 8, 2014, 3:01 PM CDT for 4 counties in Mississippi. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 8, 2014, 3:01 PM CDT (20:01 UTC)
Expired
Oct 8, 2014, 3:45 PM CDT
In force
44 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

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

The radar

The Memphis radar (KNQA), 93 km from the middle of the area, began a volume at 20:04 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 8.0 hours before the alert went out and 39 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 2014-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2170 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 2014-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.193958Sfc1 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
2170 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

615 
WUUS54 KMEG 082001
SVRMEG
MSC071-093-107-137-082045-
/O.NEW.KMEG.SV.W.0320.141008T2001Z-141008T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
ISSUED BY NATIONAL WEATHER SERVICE LITTLE ROCK AR
301 PM CDT WED OCT 8 2014

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN LAFAYETTE COUNTY IN NORTHWEST MISSISSIPPI...
  SOUTHWESTERN MARSHALL COUNTY IN NORTHWEST MISSISSIPPI...
  NORTHERN PANOLA COUNTY IN NORTHWEST MISSISSIPPI...
  SOUTHEASTERN TATE COUNTY IN NORTHWEST MISSISSIPPI...

* UNTIL 345 PM CDT

* AT 301 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE       
  TRACKING A SMALL COMPLEX OF SEVERE THUNDERSTORMS CAPABLE OF        
  PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60   
  MPH. THESE STORMS WERE CENTERED NEAR COMO...OR 7 MILES SOUTH OF    
  SENATOBIA...AND MOVING EAST   AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SENATOBIA...          SARDIS...             LAWS HILL...
  HARMONTOWN...         GLENVILLE...          COMO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3458 8955 3434 8960 3442 9008 3463 9004
TIME...MOT...LOC 2001Z 279DEG 17KT 3451 8996

$$
1 follow-up statement
666 
WWUS54 KMEG 082026
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
ISSUED BY NATIONAL WEATHER SERVICE LITTLE ROCK AR
326 PM CDT WED OCT 8 2014

MSC071-093-107-137-082045-
/O.CON.KMEG.SV.W.0320.000000T0000Z-141008T2045Z/
TATE MS-PANOLA MS-MARSHALL MS-LAFAYETTE MS-
326 PM CDT WED OCT 8 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
LAFAYETTE...SOUTHWESTERN MARSHALL...NORTHEASTERN PANOLA AND
SOUTHEASTERN TATE COUNTIES UNTIL 345 PM CDT...

AT 326 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
TRACK A SMALL CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS 
COMPLEX WAS CENTERED 6 MILES SOUTHWEST OF GLENVILLE...OR 12 MILES 
SOUTHEAST OF SENATOBIA...MOVING EAST AT 20 MPH.

* LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM INCLUDE...
  SARDIS...             LAWS HILL...          HARMONTOWN...
  GLENVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3442 8995 3461 8986 3458 8955 3434 8960
TIME...MOT...LOC 2026Z 279DEG 17KT 3449 8982

$$


LZK/55

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 Oct 8, 12:23 PM CDT, 2 hours 38 minutes earlier.

Area forecast discussion, Oct 8, 12:23 PM CDT, 2 hours 38 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
ISSUED BY NATIONAL WEATHER SERVICE LITTLE ROCK AR
1223 PM CDT WED OCT 8 2014

.UPDATE...
AVIATION DISCUSSION...AREAS OF MVFR CIGS ACROSS THE SOUTHERN HALF
OF THE FORECAST AREA ARE EXPECTED TO CLEAR BY 20Z. BEST CHANCES
FOR TSRA APPEAR IN THE 06-12Z TIME FRAME...ACROSS THE NORTHERN
THIRD OF THE FORECAST AREA.

LZK/55

&&

.DISCUSSION...

&&

.PREV DISCUSSION... /ISSUED ISSUED BY NATIONAL WEATHER SERVICE LITTLE ROCK AR/

UPDATE...

CLUSTER OF SHOWERS AND THUNDERSTORMS IN CENTRAL ARKANSAS
WILL CONTINUE MOVING ALONG/JUST SOUTH OF INTERSTATE 40 BEFORE
WEAKENING TOWARD THE MISSISSIPPI RIVER.

OTHERWISE...SHOULD HAVE ISOLATED TO SCATTERED PRECIPITATION
ACROSS THE COUNTY WARNING AREA THIS AFTERNOON AND TONIGHT. THIS WILL
BE ALONG/NORTH OF A STALLED FRONT DRAPED FROM THE CENTRAL PLAINS
TO THE SOUTHEAST UNITED STATES.

TWEAKED FORECAST GRIDS TO FIT CURRENT TRENDS. UPDATED FORECAST
HAS BEEN SENT. (46)

DISCUSSION...

UPDATED FOR 12Z AVIATION DISCUSSION

PREV DISCUSSION... /ISSUED 352 AM CDT WED OCT 8 2014/

SKIES ARE PARTLY CLOUDY OVER PORTIONS OF WEST TENNESSEE WITH
MOSTLY CLEAR SKIES ACROSS THE REMAINDER OF THE FORECAST AREA.
TEMPERATURES THIS MORNING ARE IN THE MID 60S TO MID 70S. A COLD
FRONT CURRENTLY EXTENDS ACROSS NORTHERN SECTIONS OF THE FORECAST
AREA. JUST AHEAD OF THE FRONT ARE SOME THUNDERSTORMS MAINLY OVER
PORTIONS OF HENDERSON AND DECATUR COUNTIES IN WEST TENNESSEE.

THE COLD FRONT WILL MOVE SLOWLY SOUTH TODAY AND BE OVER NORTH
MISSISSIPPI BY THIS AFTERNOON. SOME SCATTERED THUNDERSTORMS ARE
EXPECTED TO DEVELOP AHEAD OF THE FRONT TODAY MAINLY OVER PORTIONS
OF NORTH MISSISSIPPI. THE AIR BEHIND THIS COLD FRONT IS NOT MUCH
COLDER THAN AHEAD OF THE FRONT AND SO HIGHS THIS AFTERNOON WILL
BE IN THE LOW TO MID 80S.

BY TONIGHT...THE COLD FRONT WILL START TO MOVE BACK NORTH AS A
WARM FRONT SO THERE WILL BE A THREAT OF THUNDERSTORMS ACROSS THE
ENTIRE FORECAST AREA. BY THURSDAY THE FRONT WILL CONTINUE TO MOVE
NORTH WITH THE BEST CHANCE OF THUNDERSTORM JUST AHEAD OF THE
FRONT. WITH THE FRONT MOVING NORTH TEMPERATURES WILL BE A LITTLE
WARMER WITH HIGHS IN THE MID TO UPPER 80S. BY THURSDAY NIGHT...THE
FRONT WILL BE JUST NORTH OF THE FORECAST AREA SO THERE WILL BE A
CHANCE OF THUNDERSTORMS.

ON FRIDAY...THE FRONT WILL ONCE AGAIN START TO HEAD SOUTH SO MORE
THUNDERSTORMS WILL BE MOVING ACROSS THE FORECAST AREA. THE FRONT
WILL BE MOVING VERY SLOWLY SOUTH ON FRIDAY NIGHT SO THE CHANCE OF
THUNDERSTORMS WILL INCREASE. BY SATURDAY...LOW PRESSURE DEVELOPS
ALONG THE FRONT AND MOVES ACROSS THE FORECAST AREA GIVING US
ANOTHER ROUND OF THUNDERSTORMS. WITH THE CLOUDS AND RAIN AROUND
TEMPERATURES WILL BE COOLER WITH HIGHS RANGING FROM THE UPPER 60S
TO AROUND 80 DEGREES.

ON SUNDAY...THE LOW PULLS NORTHEAST AND TRIES TO DRAG THE COLD
FRONT WITH SO EXPECT MORE THUNDERSTORMS ACROSS THE FORECAST AREA.
THE COLD FRONT NEVER MAKES IT THROUGH THE REGION AND BY MONDAY IT
WILL BE BACK NORTH OF THE REGION BUT CLOSE ENOUGH THAT THERE WILL
STILL BE A THREAT OF THUNDERSTORMS. THE COLD FRONT FINALLY TRIES
TO MOVE OUT OF THE REGION TUESDAY SO MORE THUNDERSTORMS ARE EXPECTED.

ARS

AVIATION...

12Z TAF SET

A COLD FRONT WILL BE LOCATED ROUGHLY ALONG THE I-40 CORRIDOR
TODAY. THERE IS A DECK AROUND 3500-4000 FEET INVOF THE FRONT WITH
SCT MVFR CIGS POSSIBLE THROUGH MID MORNING AT KMEM AND MKL. EXPECT
SOME REDEVELOPMENT OF SHRAS/TSRAS ALONG AND SOUTH OF THE FRONT AFT
19Z IMPACTING KMEM AND KTUP. THAT ACTIVITY SHOULD DISSIPATE BY
EVENING. AS FRONT LIFTS NORTH AS A WARM FRONT TONIGHT MORE
SHRAS/TSRAS POSSIBLE AFT 09/06Z-09/08Z TIME FRAME.

SJM

&&

.AVIATION...

&&

.MEG WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
MO...NONE.
MS...NONE.
TN...NONE.
&&
Hazardous weather outlook, Oct 8, 2:45 PM CDT, 16 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MEMPHIS TN
ISSUED BY NATIONAL WEATHER SERVICE LITTLE ROCK AR
245 PM CDT WED OCT 8 2014

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-091045-
ALCORN-BENTON MS-BENTON TN-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-
245 PM CDT WED OCT 8 2014

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.

A CLUSTER OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TRACKING
THROUGH NORTHERN MISSISSIPPI THIS AFTERNOON.

OTHERWISE...ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE
EXPECTED THIS AFTERNOON AND TONIGHT. ANY SEVERE WEATHER WILL BE
SPOTTY.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A FRONT WILL WOBBLE INTO THE REGION FROM THE NORTH FRIDAY INTO THE
WEEKEND. SURROUNDING THE FRONT...MOISTURE WILL BECOME
ABUNDANT...WITH BETTER CHANCES FOR SHOWERS AND THUNDERSTORMS
AND LOCALLY HEAVY RAIN.

EARLY NEXT WEEK...A STORM SYSTEM WILL DRAG A NEW COLD FRONT INTO
THE AREA FROM THE WEST. THIS WILL RESULT IN ANOTHER ROUND OF
SHOWERS AND THUNDERSTORMS...AND MORE WIDESPREAD HEAVY
PRECIPITATION MONDAY AFTERNOON AND NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

46

In the hours before

Special weather statement, Oct 8, 2:27 PM CDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
ISSUED BY NATIONAL WEATHER SERVICE LITTLE ROCK AR
227 PM CDT WED OCT 8 2014

ARZ058-MSZ001-007-008-010>012-081950-
COAHOMA MS-DE SOTO MS-PANOLA MS-PHILLIPS AR-QUITMAN MS-TATE MS-TUNICA
MS-
227 PM CDT WED OCT 8 2014

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN PHILLIPS...NORTHERN
COAHOMA...SOUTHERN DESOTO...NORTHWESTERN PANOLA...NORTHERN QUITMAN...
WESTERN TATE AND EASTERN TUNICA COUNTIES UNTIL 245 PM CDT...

AT 227 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM PRICHARD TO 5 MILES
NORTHWEST OF SLEDGE TO 2 MILES NORTH OF SHERARD...AND MOVING EAST AT
25 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THESE STORMS.

* LOCATIONS IMPACTED INCLUDE...
  SENATOBIA...          STRAYHORN...          SLEDGE...
  PRICHARD...           PLEASANT GROVE...     PHILLIPP...
  LITTLE TEXAS...       KINGS...              JONESTOWN...
  HOLLYWOOD...          DARLING...            CRENSHAW...
  COLDWATER...          ARKABUTLA...          FALCON...
  COAHOMA...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3479 8988 3449 8996 3422 9049 3426 9081
      3446 9039 3480 9031
TIME...MOT...LOC 1927Z 266DEG 22KT 3472 9022 3447 9027
          3425 9071

LZK/55
Special weather statement, Oct 8, 2:44 PM CDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
ISSUED BY NATIONAL WEATHER SERVICE LITTLE ROCK AR
244 PM CDT WED OCT 8 2014

MSZ002-007-008-010>012-082010-
COAHOMA MS-MARSHALL MS-PANOLA MS-QUITMAN MS-TATE MS-TUNICA MS-
244 PM CDT WED OCT 8 2014

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN COAHOMA...WESTERN
MARSHALL...NORTHWESTERN PANOLA...NORTHERN QUITMAN...SOUTHEASTERN TATE
AND EXTREME SOUTHERN TUNICA COUNTIES UNTIL 315 PM CDT...

AT 244 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES WEST OF BARR
TO 4 MILES NORTHEAST OF CLARKSDALE...AND MOVING EAST AT 25 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THESE STORMS.

* LOCATIONS IMPACTED INCLUDE...
  SENATOBIA...          SLEDGE...             PLEASANT GROVE...
  JONESTOWN...          DARLING...            CURTIS STATION...
  CRENSHAW...           COMO...               BELEN...
  BARR...               FALCON...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3469 8953 3421 9037 3424 9067 3469 8987
TIME...MOT...LOC 1944Z 267DEG 21KT 3465 8985 3425 9053

LZK/55

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 2:27 PM CDTSpecial Weather StatementMEGTate23 min
Oct 8, 2:44 PM CDTSpecial Weather StatementMEGPanola26 min
Oct 8, 4:01 PM CDTSevere Thunderstorm WarningMEGBenton, Tippah32 min
Oct 8, 4:36 PM CDTSevere Thunderstorm WarningMEGLee, Union24 min
Oct 8, 5:04 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Prentiss24 min
Oct 8, 5:10 PM CDTSevere Thunderstorm WarningMEGItawamba35 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2014Every severe thunderstorm warning in 2014

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.