An unstable airmass ahead of a strong cold front resulted in the development of strong to severe thunderstorms across the region as an upper level trough ejected out into the Southern and Central Plains. These storms produced damaging wind gusts along with large hail.
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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.
An unstable airmass ahead of a strong cold front resulted in the development of strong to severe thunderstorms across the region as an upper level trough ejected out into the Southern and Central Plains. These storms produced damaging wind gusts along with large hail.
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 Apr 10, 12:30 PM CST, 40 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE SHREVEPORT LA 130 PM CDT WED APR 10 2013 .UPDATE... HAVE ISSUED TORNADO WATCH 89 FOR SW ARKANSAS COUNTIES UNTIL 9 PM. WILL SEND OUT A NEW SET OF ZONES TO REFLECT THIS CHANGE. && .PREV DISCUSSION... /ISSUED 1055 AM CDT WED APR 10 2013/ DISCUSSION... COLD FRONT DROVE THROUGH WESTERN PORTIONS OF THE CWA THIS MORNING...MAKING IT NEARLY TO KGGG...WITH MUCH COOLER TEMPERATURES BEHIND THE FRONT AND NW WINDS. DIFFERENT STORY AHEAD OF THE FRONT WITH MID 7OS AND SOUTHERLY WINDS. HAVE NOT ISSUED A LAKE WIND ADVISORY...AS WINDS ARE CALMER THAN YESTERDAY..BUT AM SURE THAT SITES WILL BRIEFLY HIT CRITERIA THIS AFTERNOON AHEAD OF THE FRONT. THIS MORNINGS PRE FRONTAL SHOWER ACTIVITY DEFINITELY NOT AIDING IN THE SEVERE THREAT FOR THIS AFTERNOON. STILL AM EXPECTING THUNDERSTORM DEVELOPMENT LATE THIS AFTERNOON THROUGH THE EVENING HOURS...BUT THERE WILL BE A NARROW CORRIDOR OF OPPORTUNITY FOR THE DEVELOPMENT OF SEVERE WEATHER JUST AHEAD OF THE FRONT. BETTER CHANCES FOR SEVERE APPEARS TO BE ACROSS NORTH CENTRAL LOUISIANA AND SOUTHERN ARKANSAS...WHERE A SQUALL LINE MAY MORE MATURELY DEVELOP THIS EVENING. ALSO...THESE AREAS MAY SEE A FEW BREAKS IN THE CLOUDS TODAY...HELPING TO DESTABILIZATION THE ATMOSPHERE FURTHER. WILL ALSO HAVE TO KEEP AN EYE OUT FOR SOME POST FRONTAL CONVECTION AND AN ISOLATED HAIL THREAT ACROSS SOUTHEAST OKLAHOMA...SOUTHWEST ARKANSAS AND NORTHEAST TEXAS. TWEAKED WIND/TEMP/DEWPOINT/POP GRIDS TO ACCOUNT FOR CURRENT COLD FRONT POSITION AND CONDITIONS./20/ AVIATION... THE COLD FRONT IS AHEAD OF SCHEDULE...BUT VERY SHALLOW. THE AIR MASS IS PUSHING TOWARD KDEQ AND KGGG ATTM WITH NW10G20KTS DISPLACING S/SE10G20KTS. WARM AND UNSTABLE AIR ALOFT WILL REMAIN FOR HRS OVER THE SFC FRONT. ELEVATED SCAT/NUMEROUS TSTMS WILL UNFOLD DURING THE AFTERNOON WITH ISOLD CELLS WITH HEATING AHEAD OF THE FRONT. THE PARENT UPPER STORM WILL PHASE OVER THE AREA LATE TODAY. THE SFC FRONT SHOULD BE NEAR A KMLU TO KAEX SHORTLY AFTER MIDNIGHT WITH TSTMS ENDING. EXPECT STRONG WIND AND SEVERE TURBULENCE WITH IFR CIGS/VSBY WITH THESE STORMS TODAY. AFTER FROPA...EXPECT MVFR/IFR CIGS/VSBY IN -RA/BR THROUGH 12Z WITH MVFR CIGS BECOMING SKC. /24/ && .PRELIMINARY POINT TEMPS/POPS... SHV 45 66 42 72 46 / 70 20 0 0 0 MLU 51 68 44 70 44 / 90 30 0 0 0 DEQ 38 57 35 65 40 / 50 10 0 0 10 TXK 42 60 40 67 43 / 60 10 0 0 10 ELD 47 64 39 68 42 / 80 20 0 0 0 TYR 40 63 40 70 47 / 30 10 0 0 0 GGG 42 65 40 71 45 / 50 10 0 0 0 LFK 44 68 43 75 46 / 50 10 0 0 0 && .SHV WATCHES/WARNINGS/ADVISORIES... AR...NONE. LA...NONE. OK...NONE. TX...NONE. && 20
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 1125 AM CDT WED APR 10 2013 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077- TXZ096-097-108>112-124>126-136>138-149>153-165>167-111200- 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- 1125 AM CDT WED APR 10 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL AND SOUTHWEST ARKANSAS...NORTH CENTRAL AND NORTHWEST LOUISIANA...SOUTHEAST OKLAHOMA AS WELL AS EAST AND NORTHEAST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT... A LINE OF SHOWERS AND THUNDERSTORMS...WILL BEGIN TO DEVELOP ALONG A STRONG...BUT SLOW MOVING COLD FRONT...CURRENTLY ORIENTED ALONG A TYLER TO MOUNT PLEASANT TEXAS TO DEQUEEN ARKANSAS LINE. THUNDERSTORM ACTIVITY WILL BEGIN TO INITIATE DURING THE AFTERNOON HOURS ACROSS FAR EAST AND NORTHEAST TEXAS. DURING THE EVENING HOURS THE ACTIVITY SHOULD PUSH EAST THROUGH NORTHWEST LOUISIANA AND SOUTHWEST ARKANSAS. BY LATE EVENING TO MIDNIGHT...EXPECT THE LINE OF SHOWERS AND THUNDERSTORMS TO BE MOVING ACROSS SOUTH CENTRAL ARKANSAS AND NORTH CENTRAL LOUISIANA...POSSIBLY CLEARING EL DORADO ARKANSAS AND MONROE LOUISIANA AROUND MIDNIGHT. THE GREATEST INSTABILITY APPEARS TO BE ACROSS NORTHERN LOUISIANA AND SOUTH CENTRAL ARKANSAS...ALLOWING THIS AREA TO SEE BETTER CHANCES FOR SEVERE WEATHER. THE PRIMARY SEVERE WEATHER THREAT FROM THIS AFTERNOON THROUGH THE EVENING HOURS APPEARS TO BE DAMAGING STRAIGHT-LINE WINDS. ISOLATED TORNADOES AND HAIL WILL ALSO BE A CONCERN...WITH LOCALLY HEAVY RAINFALL POSSIBLE AS WELL. THE HEAVIEST RAINFALL TOTALS WILL LIKELY BE ACROSS NORTHERN LOUISIANA AND SOUTHERN ARKANSAS...WHERE 2 TO 3 INCHES WILL BE POSSIBLE. IN ADDITION...AS THE COLD FRONT MOVES THROUGH THE AREA FROM WEST TO EAST...SOME ELEVATED THUNDERSTORM ACTIVITY MAY BE POSSIBLE IN THE COOLER AIR MASS. WITH THIS ACTIVITY...SOME HAIL MAY BE POSSIBLE THROUGH THE EVENING HOURS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... MUCH COLDER AND BREEZY CONDITIONS ARE EXPECTED ON THURSDAY...HOWEVER...NO HAZARDOUS WEATHER IS EXPECTED THROUGH THE PERIOD. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO OPERATORS...AND STORM SPOTTERS MAY BE NEEDED DURING THE AFTERNOON AND EVENING HOURS TODAY AND TONIGHT...ESPECIALLY ACROSS NORTHERN LOUISIANA AND SOUTHERN ARKANSAS. 20
The Shreveport radar (KSHV), 107 km away, was scanning. The volume nearest the first event began at 19:11 UTC.
2 thunderstorm wind. Local standard time, as filed.
Vehicle windows were blown out in the parking lot of Liberty-Eylau High School southeast of Wake Villiage, Texas.
Trees and powerlines were downed southwest of Avinger, Texas.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2013Every state in 2013This day in weather historyWarnings in Texas, April 2013
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: 435529, 435530.