A backdoor cold front moved through extreme Northwest Louisiana during the overnight hours of June 5th and predawn hours of June 6th. Moderate instability was present ahead of the front and weak disturbances was moving across the region from the northwest.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS SHV wrote it up.
A backdoor cold front moved through extreme Northwest Louisiana during the overnight hours of June 5th and predawn hours of June 6th. Moderate instability was present ahead of the front and weak disturbances was moving across the region from the northwest. The result was scattered showers and thunderstorms, some of which downed trees and powerlines.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Shreveport, LA wrote its last area forecast discussion before the first event at Jun 5, 9:07 PM CST, 2 hours 53 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 1007 PM CDT TUE JUN 5 2012 .DISCUSSION... AS OF 0245Z...BACK DOOR COLD FRONT NEARLY BIFURCATES THE CWA AND HAS JUST MOVED PAST KSHV. ISOLATED AND GENERALLY SHORT-LIVED CONVECTION CONTINUES TO DEVELOP IN THE VICINITY OF THE FRONT. GIVEN THE EXTREMELY DIFFICULTY IN PINPOINTING WHERE THESE TYPES OF STORMS WILL POP UP...DECIDED TO BLANKET CHANCE POPS AREAWIDE THROUGH 12Z WEDNESDAY MORNING. PLACED HIGH POPS IN THE FAR NW AND FAR SE ZONES WHERE CONVECTION HAS BEEN LONG LIVED. OVER THE LAST HOUR...CONVECTION IN MCCURTAIN COUNTY HAS BECOME MORE ORGANIZED AND HAS STARTED TO FORM A SMALL MCS WITH AT TIMES....A BOWING SEGMENT. POTENTIAL FOR HAIL...AND ESPECIALLY DAMAGING WINDS WILL BE AN ONGOING CONCERN. IN ADDITION...WEAK STEERING WINDS ALOFT ARE KEEPING THIS COMPLEX NEARLY STATIONARY WHICH RAISES THE POSSIBILITY OF FLASH FLOODING. CURRENT THINKING IS THAT AS THE COMPLEX ORGANIZES COLD POOL/OUTFLOW GENERATION MAY HELP TO GIVE THE STORMS A BIT MORE OF A PUSH SEWD IF THEY CONTINUE TO HOLD TOGETHER. HOWEVER...FORWARD SPEED WILL STILL BE RELATIVELY SLOW. UPDATED POP/QPF/WX/SKY GRIDS BASED ON THESE THOUGHTS BUT KEPT THE REMAINDER OF THE GRIDS INTACT. UPDATED PRODUCTS HAVE BEEN SENT. /09/ && .AVIATION... MOSTLY VFR FLIGHT CONDITIONS EXPECTED TONIGHT THROUGH WEDNESDAY. HOWEVER...SCATTERED THUNDERSTORMS ACROSS SOUTHEAST OKLAHOMA INTO ADJACENT NORTHEAST TEXAS WILL CREATE FLIGHT HAZARDS FOR THAT AREA. A FEW STORMS WILL BE STRONG ENOUGH TO PRODUCE EXTREME TURBULENCE... HAIL...STRONG SURFACE WIND AND IFR VISIBILITIES DUE TO HEAVY RAIN. SURFACE WIND LIGHT AND VARIABLE TONIGHT MOST TERMINALS BECOMING NORTHEAST AROUND 10 KTS AFTER 14Z. /14/ && .PREV DISCUSSION... /ISSUED 331 PM CDT TUE JUN 5 2012/ DISCUSSION... HEALTHY CU FIELD NOTED ACROSS THE REGION...AS TEMPS SOAR INTO THE UPPER 90S TO NEAR 100 AT A FEW SITES. NO CONVECTION DETECTABLE ON THE RADAR JUST YET...BUT MODELS CONTINUE TO INDICATE DECENT COVERAGE LATER THIS EVENING...LIKELY RELATED TO A MESOSCALE BOUNDARY DRAPED FROM MONROE TO DE QUEEN. THIS BOUNDARY ALSO LIKELY RESPONSIBLE FOR A LITTLE COMPRESSIONAL HEATING ACROSS SW AR/SE OK. WEAK COLD FRONT DRAPED ACROSS NR OK/AR IS FCST TO CONTINUE ITS SWD SAG...WHICH WILL HELP TO ENHANCE CONVECTIVE DEVELOPMENT OVERNIGHT INTO THU BEFORE IT HANGS UP JUST S/SW OF THE REGION. IN ADDITION...MCV OVER THE TX PANHANDLE TODAY IS EXPECTED TO MEANDER EWD ACROSS TX AND FINALLY INTO OUR REGION BY THE WEEKEND. DESPITE WEAK FLOW ALOFT...RAIN CHANCES CANNOT BE RULED OUT THROUGHOUT THE ENTIRE FCST PD. MAX TEMPS STILL FCST TO BE MUCH CLOSER TO NORMAL BY WED...AS THE COLD FRONT MOVES THROUGH THE REGION. GUIDANCE VALUES KEEP MOST OF THE REGION IN THE UPPER 80S FOR WED/THU...WHICH IS PROBABLY SOMEWHAT DEPENDENT ON DECENT CLOUD/CONVECTION COVERAGE. HOWEVER... MOS GUIDANCE WAS WAY UNDERDONE ON TODAY'S MAX TEMPS...REMINISCENT OF THE MODELS' POOR PERFORMANCE DURING LAST SUMMER. SO THERE IS DEFINITELY SOME UNCERTAINTY...AND SIGNIFICANT BUST POTENTIAL...IN THE TEMP FCST THIS PD. /12/ && .PRELIMINARY POINT TEMPS/POPS... SHV 70 88 68 89 67 / 30 30 20 20 20 MLU 70 89 64 88 64 / 30 30 20 10 10 DEQ 65 87 61 87 60 / 50 20 20 20 10 TXK 69 89 64 87 64 / 40 20 20 20 10 ELD 65 87 61 87 61 / 30 20 20 10 10 TYR 73 88 69 88 67 / 30 30 30 30 20 GGG 71 88 68 87 66 / 30 30 30 30 20 LFK 73 90 71 90 70 / 30 30 30 30 20 && .SHV WATCHES/WARNINGS/ADVISORIES... AR...NONE. LA...NONE. OK...NONE. TX...NONE. && 09/14
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 1137 AM CDT TUE JUN 5 2012 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077- TXZ096-097-108>112-124>126-136>138-149>153-165>167-061200- SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN- UNION LA-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-SABINE LA- NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-MCCURTAIN-BOWIE- FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG- HARRISON-CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY-ANGELINA- SAN AUGUSTINE-SABINE TX- 1137 AM CDT TUE JUN 5 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ARKANSAS...SOUTHWEST ARKANSAS...NORTH CENTRAL LOUISIANA... NORTHWEST LOUISIANA...SOUTHEAST OKLAHOMA...EAST TEXAS AND NORTHEAST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE TODAY...AS DAYTIME HEATING COMBINES WITH LINGERING OUTFLOW BOUNDARIES. GUSTY WINDS...SMALL HAIL...AND BRIEF HEAVY DOWNPOURS WILL BE POSSIBLE WITH ANY STORMS. HOWEVER...ANY SEVERE STORMS WILL REMAIN EXTREMELY ISOLATED IN NATURE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... A LINGERING FRONTAL BOUNDARY AND A WEAK DISTURBANCE TO OUR WEST WILL KEEP THE CHANCE FOR AFTERNOON SHOWERS AND THUNDERSTORMS IN THROUGH THE REMAINDER OF THE WORK WEEK AND THROUGH THE WEEKEND...WITH THE BEST CHANCES COVERING PARTS OF EAST TEXAS. A FEW STORMS MAY PRODUCE STRONG GUSTY WINDS AND SMALL HAIL. HOWEVER...NO ORGANIZED HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO OPERATORS...AND STORM SPOTTERS WILL NOT BE NEEDED THIS AFTERNOON OR TONIGHT. 12
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
826 PM CDT TUE JUN 5 2012
OKZ077-TXZ096-060230-
MCCURTAIN-RED RIVER-
826 PM CDT TUE JUN 5 2012
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY...EFFECTIVE UNTIL 930 PM CDT...FOR THE FOLLOWING
COUNTIES...
IN SOUTHEAST OKLAHOMA...
MCCURTAIN...
IN NORTHEAST TEXAS...
RED RIVER...
INCLUDING THE FOLLOWING LOCATIONS...
IDABEL AND MANCHESTER...
AT 817 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
DETECTING A STRONG THUNDERSTORM 10 MILES EAST OF FORT TOWSON...OR 20
MILES WEST OF BROKEN BOW...MOVING SOUTH AT 5 MPH.
NICKEL SIZE HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.
14SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
935 PM CDT TUE JUN 5 2012
OKZ077-TXZ096-060330-
MCCURTAIN-RED RIVER-
935 PM CDT TUE JUN 5 2012
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY...EFFECTIVE UNTIL 1030 PM CDT...FOR THE FOLLOWING
COUNTIES...
IN SOUTHEAST OKLAHOMA...
MCCURTAIN...
IN NORTHEAST TEXAS...
RED RIVER...
INCLUDING THE FOLLOWING LOCATIONS...
IDABEL AND MANCHESTER...
AT 925 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
DETECTING STRONG THUNDERSTORMS ALONG A LINE FROM MOUNT HERMAN
OKLAHOMA TO MANCHESTER TEXAS. THE STORMS WERE NEARLY STATIONARY.
NICKEL SIZE HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THESE
STORMS. ALSO RAINFALL RATES APPROACHING 2 INCHES AN HOUR MAY RESULT
IN SOME MINOR FLOODING.
14SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1035 PM CDT TUE JUN 5 2012
OKZ077-TXZ096-060430-
MCCURTAIN-RED RIVER-
1035 PM CDT TUE JUN 5 2012
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY...EFFECTIVE UNTIL 1130 PM CDT...FOR THE FOLLOWING
COUNTIES...
IN SOUTHEAST OKLAHOMA...
MCCURTAIN...
IN NORTHEAST TEXAS...
RED RIVER...
INCLUDING THE FOLLOWING LOCATIONS...
BROKEN BOW AND IDABEL...
AT 1028 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
DETECTING STRONG THUNDERSTORMS ALONG A LINE FROM MOUNT HERMAN TO
IDABEL OKLAHOMA AND SOUTH TO JUST NORTH OF CLARKSVILLE TEXAS. THE
STORMS WERE DRIFTING SOUTHEAST AROUND 10 MPH.
NICKEL SIZE HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THESE
STORMS. ALSO RAINFALL RATES APPROACHING 2 INCHES AN HOUR MAY RESULT
IN SOME MINOR FLOODING.
14SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1050 PM CDT TUE JUN 5 2012
LAZ022-060415-
LA SALLE-
1050 PM CDT TUE JUN 5 2012
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY...EFFECTIVE UNTIL 1115 PM CDT...FOR THE FOLLOWING
PARISH...
IN NORTH CENTRAL LOUISIANA...
LA SALLE...
INCLUDING THE FOLLOWING LOCATIONS...
CATAHOULA LAKE AND NEBO...
AT 1047 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
DETECTING A STRONG THUNDERSTORM 11 MILES NORTH OF DEVILLE...OR 19
MILES NORTH OF EFFIE...MOVING SOUTH AT 5 MPH.
DIME SIZE HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THIS STORM.
09SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1212 AM CDT WED JUN 6 2012
LAZ010-060615-
DE SOTO-
1212 AM CDT WED JUN 6 2012
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY...EFFECTIVE UNTIL 115 AM CDT...FOR THE FOLLOWING
PARISH...
IN NORTHWEST LOUISIANA...
DE SOTO...
INCLUDING THE FOLLOWING LOCATIONS...
MANSFIELD...
AT 1212 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
DETECTING A STRONG THUNDERSTORM 5 MILES NORTHWEST OF MANSFIELD...OR
3 MILES EAST OF GRAND CANE...MOVING EAST AT 15 MPH.
PEA TO DIME SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH
THIS STORM. SHOULD THIS STORM INTENSIFY...A SEVERE THUNDERSTORM
WARNING WILL BE NEEDED.
15The Shreveport radar (KSHV), 49 km away, was scanning. The volume nearest the first event began at 06:00 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees were downed on Binning Road just east of Mansfield, Louisiana.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2012Every state in 2012This day in weather historyWarnings in Louisiana, June 2012
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 379321.