Alert archive / Louisiana / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 533, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Aug 23, 2005, 7:51 PM CDT for Morehouse Parish, Louisiana. 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
- Aug 23, 2005, 7:51 PM CDT (00:51 UTC)
- Expired
- Aug 23, 2005, 8:35 PM CDT
- In force
- 44 min
- Issued by
- NWS Jackson, MS
- Area
- Counties, with a storm outline in the text
County Morehouse Parish, LA
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
Shreveport, LA (KSHV), launched 00:00Z, 0.9 hours before the alert went out and 174 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
- 792 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 2070 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -82 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KJAN 240051 SVRJAN LAC067-240145- /O.NEW.KJAN.SV.W.0533.050824T0051Z-050824T0145Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 751 PM CDT TUE AUG 23 2005 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN MOREHOUSE PARISH IN NORTHEAST LOUISIANA THIS INCLUDES THE CITY OF BASTROP * UNTIL 845 PM CDT * AT 751 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 13 MILES NORTHWEST OF BASTROP...OR ABOUT 11 MILES SOUTHEAST OF HUTTIG...AND MOVING SOUTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BASTROP BY 845 PM CDT LAT...LON 3301 9198 3299 9208 3271 9204 3278 9170 $$ MME
1 follow-up statement
000 WWUS54 KJAN 240135 SVSJAN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 832 PM CDT TUE AUG 23 2005 LAC067-240142- /O.CAN.KJAN.SV.W.0533.000000T0000Z-050824T0145Z/ MOREHOUSE LA- 832 PM CDT TUE AUG 23 2005 ...THE SEVERE THUNDERSTORM WARNING FOR MOREHOUSE PARISH IS CANCELLED... THE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND NO ADDITIONAL SEVERE THUNDERSTORMS ARE EXPECTED. LAT...LON 3301 9198 3299 9208 3271 9204 3278 9170 $$ MME
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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 23, 5:00 PM CDT, 2 hours 51 minutes earlier.
Area forecast discussion, Aug 23, 5:00 PM CDT, 2 hours 51 minutes before
AREA FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE JACKSON MS
500PM CDT TUE AUG 23 2005
.DISCUSSION...NUMEROUS SHOWERS AND THUNDERSTORMS HAVE
DEVELOPED AND ARE CONTINUING OVER NORTHERN LOUISIANA...NORTHERN
MISSISSIPPI...AND MUCH OF ARKANSAS. THIS HAS ALLOWED MANY AREAS
ACROSS CENTRAL MISSISSIPPI...AND NORTHEASTERN LOUISIANA TO AGAIN GET
INTO THE UPPER 90S. WITH THE TEMPS THIS WARM AND DEWPOINTS IN THE
LOWER 70S THE ATMOSPHERE HAS BECOME VERY UNSTABLE AND UNTAPPED.
THIS EVENING AS OUTFLOW BOUNDARIES FROM EARLIER THUNDERSTORMS MOVE
ACROSS THIS UNTAPPED REGION LOOK FOR ADDITIONAL THUNDERSTORM
DEVELOPMENT LIKELY LASTING INTO THE LATTER EVENING HOURS. WITH THE
AMOUNT OF INSTABILITY IN THE AIR...A FEW OF THESE THUNDERSTORMS MAY
BECOME STRONG AND POSSIBLY SEVERE WITH STRONG WINDS THE MAIN THREAT.
ANOTHER THREAT FROM THESE STORMS WILL BE MODERATE TO HEAVY RAINFALL
AND FREQUENT TO ALMOST CONSTANT LIGHTNING.
AS THE 9 PM APPROACHES SHOWERS AND THUNDERSTORMS SHOULD START TO DIE
DOWN...ESPECIALLY WITH THE LOSS OF DAYTIME HEATING. THAT SAID OVERALL
ACTIVITY WILL STILL LIKELY LAST PAST 9 PM.
ACROSS SOUTHEASTERN MISSISSIPPI...SHOWERS AND THUNDERSTORMS WILL
HAVE A HARDER TIME DEVELOPING MAINLY DUE TO THE LACK OF LOW LEVEL
MOISTURE. THERE MAY BE A FEW STORMS ACROSS THAT AREA LATE TONIGHT AS
STORMS ACROSS CENTRAL MISSISSIPPI PUSH SOUTH. /24/
&&
.PREV DISCUSSION...EXPECT MOST OF THE CONVECTION TO DISSIPATE THIS
EVENING BY SUNSET BUT THERE SHOULD STILL BE SOME LINGERING ACTIVITY
IN THE NORTHERN AREAS ALONG THE FRONTAL BOUNDARY. BY TOMORROW THE
FRONTAL BOUNDARY WILL STILL BE LOCATED OVER NORTH CENTRAL
MISSISSIPPI AND WILL CONTINUE TO SLOWLY DRIFT SOUTH DURING THE DAY.
THE GFS IS ALSO INDICATING THAT A SHORT WAVE WILL MOVE ACROSS
NORTHERN MISSISSIPPI TOMORROW AFTERNOON. PRECIPITABLE WATER VALUES
ACROSS THE AREA WILL STILL BE NEAR 2.2 INCHES...ML CAPES WILL BE
BETWEEN 2000 TO 2400. WITH THESE FACTORS EXPECT AFTERNOON AND
EVENING CONVECTION TO ONCE AGAIN FORM WITH THE HIGHEST POPS IN THE
SOUTH WITH THE SEA BREEZE. FEEL THERE WILL NOT BE ENOUGH INSTABILITY
FOR SEVERE BUT A STRONG STORM CANNOT BE RULED OUT. WILL GO AHEAD AND
ISSUE ANOTHER HEAT ADVISORY FOR TOMORROW FOR THE WESTERN AREAS
...TEMPS IN THE MID 90S AND DEW POINTS REMAINING IN THE LOW 70S
COMBINE FOR HEAT INDICES IN THE 105 TO 110 RANGE./#15/
THURSDAY THROUGH TUESDAY...MODELS ARE CONTINUING TO BE CONSISTENT
WITH THE SEASONAL UPPER PATTERN THROUGH THE LONG TERM PERIOD.
HOWEVER THE UK...EUROPEAN...NOGAPS AND THE CANADIAN MODELS WERE
SHOWING SOME TYPE OF TROPICAL SYSTEM PUSHING INTO THE GULF OF MEXICO
AREA FOR THE LATER PART OF THIS WEEKEND INTO EARLY NEXT WEEK...WHILE
THE GFS TAKES IT UP THE EAST COAST. MANUAL PROGS TAKES THE SYSTEM TO
THE CENTRAL GULF THIS WEEKEND INTO EARLY NEXT WEEK. SO EACH MODEL
HAD SOME DIFFERING SOLUTIONS ON THE PATH OF THE SYSTEM. SO HAVE
LITTLE CONFIDENCE ON THE AFFECTS OF THIS SYSTEM AT THIS TIME.
OTHERWISE BROAD UPPER RIDGE WILL CONTINUE OVER THE REGION. THERE
WILL BE ENOUGH INSTABILITY FOR DIURNAL CONVECTION THROUGH THE
PERIOD. THE WEAK SURFACE BOUNDARY WILL PUSH TO THE SOUTH ON
THURSDAY. PRECIPITABLE WATER WILL RANGE FROM 1.7 TO 2.2 INCHES
THROUGH THE PERIOD. THE GFS TRIES TO SHOW AN MCS MOVING IN FROM THE
NORTHWEST ON FRIDAY NIGHT INTO SATURDAY WITH A SHORT WAVE. WILL KEEP
SCATTERED POPS ONLY WITH THIS FEATURE. UPPER LEVEL FLOW WILL REMAIN
WEAK AS WELL...WITH THE UPPER JET STAYING NORTH. BY SATURDAY...THE
UPPER RIDGE AXIS WILL BE REDEVELOPING FROM THE WEST. WITH UPPER
RIDGE AROUND KEPT WITH LOW SCATTERED POPS DURING THE DAY AND MAINLY
ISOLATED POPS IN THE EVENING. THE GFS WAS GENERATING SOME
PRECIPITATION. SUNDAY THROUGH TUESDAY LOOKS GENERALLY DRY WITH LOW
CHANCES OF DIURNAL CONVECTION. SO WENT CLOSE TO LOW POPS ON
GUIDANCE. AS FAR AS THE TROPICAL FEATURE IS CONCERN SINCE IT APPEARS
TO STAY EAST OF THE REGION...GOING TO LOWER POPS APPEARS TO BE THE
ROUTE TO TAKE...SINCE WE WILL BE ON THE DRY SIDE. GENERALLY WENT
WITH WITH GUIDANCE TEMPS AND ADJUSTED DEWPOINTS AND SKY COVER A
LITTLE.
/#17/
&&
.PRELIMINARY POINT TEMPS/POPS...
JACKSON 73 95 74 94 / 30 40 20 40
MERIDIAN 72 95 72 93 / 20 40 30 50
&&
.JAN WATCHES/WARNINGS/ADVISORIES...
MS...HEAT ADVISORY UNTIL 7 PM TUESDAY FOR MSZ034-MSZ035-MSZ040-MSZ041-
MSZ042-MSZ047.
LA...HEAT ADVISORY UNTIL 7 PM TUESDAY FOR LAZ007-LAZ008-LAZ009-LAZ015-
LAZ016-LAZ023-LAZ024-LAZ025-LAZ026.
AR...HEAT ADVISORY UNTIL 7 PM TUESDAY FOR ARZ074-ARZ075.
&&
24/15/17Hazardous weather outlook, Aug 23, 3:09 PM CDT, 4 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 309 PM CDT TUE AUG 23 2005 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 242009- ADAMS-ASHLEY-ATTALA-BOLIVAR-CARROLL-CATAHOULA-CHICOT-CHOCTAW- CLAIBORNE-CLARKE-CLAY-CONCORDIA-COPIAH-COVINGTON-EAST CARROLL- FORREST-FRANKLIN LA-FRANKLIN MS-GRENADA-HINDS-HOLMES-HUMPHREYS- ISSAQUENA-JASPER-JEFFERSON-JEFFERSON DAVIS-JONES-KEMPER-LAMAR- LAUDERDALE-LAWRENCE-LEAKE-LEFLORE-LINCOLN-LOWNDES-MADISON LA- MADISON MS-MARION-MONTGOMERY-MOREHOUSE-NESHOBA-NEWTON-NOXUBEE- OKTIBBEHA-RANKIN-RICHLAND-SCOTT-SHARKEY-SIMPSON-SMITH-SUNFLOWER- TENSAS-WARREN-WASHINGTON-WEBSTER-WEST CARROLL-WINSTON-YAZOO- 309 PM CDT TUE AUG 23 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI... NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS .DAY ONE...TONIGHT AND WEDNESDAY... ...THUNDERSTORMS... ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EARLY EVENING OVER NORTH AND EAST CENTRAL PORTIONS OF MISSISSIPPI AND SOUTHEAST ARKANSAS...MAINLY ALONG AND NORTH IF HIGHWAY 82. A WEAK FRONTAL ZONE REMAINS OVER THE LOWER MISSISSIPPI VALLEY REGION THIS AFTERNOON. A SERIES OF WEAK UPPER LEVEL DISTURBANCES MOVING ALONG THE FRONTAL ZONE WILL HELP INITIATE THUNDERSTORM ACTIVITY TODAY...AND THESE STORMS MAY BECOME ORGANIZED AS THEY MOVE INTO NORTH CENTRAL MISSISSIPPI LATER THIS AFTERNOON. DAYTIME HEATING WILL CONTRIBUTE TO A VERY UNSTABLE ENVIRONMENT FAVORABLE FOR SEVERE THUNDERSTORMS WITH DAMAGING WIND GUSTS UP TO 60 MPH AND PENNY SIZE HAIL. FARTHER SOUTH AND WEST...SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP BY EARLY AFTERNOON. THEY COULD BECOME STRONG WITH THE POTENTIAL TO PRODUCE 40 TO 50 MPH WIND GUSTS AND SMALL HAIL. THUNDERSTORMS ARE EXPECTED TO DISSIPATE DURING THE LATE EVENING. ...SEASONAL THREATS... THE COMBINATION OF HIGH HEAT AND HUMIDITY WILL RESULT IN AFTERNOON HEAT INDEX VALUES NEAR OR ABOVE 105 OVER MOST OF THE OUTLOOK AREA TODAY AND TOMORROW AFTERNOON. THE HOTTEST WEATHER IS EXPECTED ALONG AND WEST OF A LINE FROM FERRIDAY LOUISIANA TO YAZOO CITY AND GREENVILLE MISSISSIPPI WHERE A HEAT ADVISORY IS IN EFFECT. .DAYS TWO THROUGH SEVEN...WEDNESDAY NIGHT THROUGH TUESDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS IS NOT ANTICIPATED THROUGH NEXT TUESDAY. FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK.
In the hours before
Special weather statement, Aug 23, 5:56 PM CDT, 1 hour 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 556 PM CDT TUE AUG 23 2005 ARZ074-075-LAZ007>009-MSZ018-019-034-035-040-041-240000- ASHLEY-BOLIVAR-CHICOT-EAST CARROLL-HUMPHREYS-ISSAQUENA-MOREHOUSE- SHARKEY-SUNFLOWER-WASHINGTON-WEST CARROLL- 556 PM CDT TUE AUG 23 2005 ...STRONG THUNDERSTORMS DEVELOPING AND MOVING INTO THE DELTA REGION... AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING OVER BOLIVAR AND WASHINGTON COUNTY. THESE STORMS ARE MOVING VERY SLOWLY TO THE EAST AND MAY CAUSE PONDING OF WATER ON ROADS AND LOW LYING AREAS. ALSO THEY ARE CONTINUING TO PULSE UP AND ARE BEING WATCHED CLOSELY AND MAY NEED SEVERE THUNDERSTORM WARNINGS. IN ADDITION TO THAT THERE ARE STRONG TO POSSIBLY EVEN SEVERE THUNDERSTORMS MOVING EAST INTO EXTREME SOUTHEAST ARKANSAS AND PORTIONS OF THE DELTA. ALL OF THESE STORMS WILL HAVE THE ABILITY TO PRODUCE GUSTY WINDS IN EXCESS OF 45 MPH...FREQUENT TO CONSTANT LIGHTNING...TORRENTIAL RAINFALL...AND MAYBE EVEN SOME SMALL HAIL. PLEASE STAY TUNED TO THE NATIONAL WEATHER SERVICE FOR FURTHER UPDATES AND POSSIBLE WARNINGS. BANNAN
Local storm report, Aug 23, 6:23 PM CDT, 1 hour 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
623 PM CDT TUE AUG 23 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0615 PM TSTM WND GST GOLDEN TRIANGLE AIRPORT 33.45N 88.59W
08/23/2005 57 MPH LOWNDES MS ASOS
GTR OBSERVATION REPORTED 57 MPH WIND GUST.
&&
WESTERLocal storm report, Aug 23, 7:15 PM CDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
715 PM CDT TUE AUG 23 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0618 PM TSTM WND DMG COLUMBUS 33.51N 88.40W
08/23/2005 LOWNDES MS LAW ENFORCEMENT
ONE TREE DOWN ON LYNN DRIVE. TRAFFIC LIGHTS OUT AT BROWN
STREET, ALABAMA STREET, AND SOUTH MCRARY.
&&
WESTERNearby
Severe Thunderstorm Warnings in Louisiana, 2005Every 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.