Another upper level disturbance moved across Southeast Oklahoma and Southwest Arkansas during the late afternoon hours of August 18th. These storms developed in an area of moderate to high instability and once they decayed, they produced strong wind gusts which downed a few trees across Howard County, Arkansas.
Every event with a place to put it. Tap one for its entry below.
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.
Another upper level disturbance moved across Southeast Oklahoma and Southwest Arkansas during the late afternoon hours of August 18th. These storms developed in an area of moderate to high instability and once they decayed, they produced strong wind gusts which downed a few trees across Howard County, Arkansas.
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 Aug 18, 3:20 PM CST, 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 420 PM CDT MON AUG 18 2014 .DISCUSSION... LATE THIS AFTERNOON THE UPPER LEVEL DISTURBANCE THAT PRODUCED SHOWERS AND THUNDERSTORMS EARLIER DURING THE DAY HAS SHIFTED OFF TO THE EAST ACROSS MISSISSIPPI AND APPROACHING ALABAMA AND HELP NUDGE THE UPPER LEVEL SHEAR AXIS SOUTH ACROSS LOWER PARTS OF NORTHWEST AND NORTH CENTRAL LOUISIANA AND EAST TEXAS. THE AFTERNOON HEATING ALONG WITH THE UPPER LEVEL FEATURE AND COOLER TEMPERATURES ALOFT ARE PRODUCING A FEW SHOWERS AND THUNDERSTORMS. UPSTREAM THERE WAS ANOTHER UPPER LEVEL SHORT WAVE THAT WAS MOVING ACROSS EASTERN OKLAHOMA AND WESTERN ARKANSAS PRODUCING ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS TO THE SOUTHEAST. HAVE INCLUDED RAIN CHANCES DURING THE EVENING FOR THE CONTRIBUTION FROM THE UPPER LEVEL DISTURBANCES. BY TUESDAY THE UPPER LEVEL PATTERN WILL BEGIN TO CHANGE AS RIDGING ALOFT WILL AMPLIFY ACROSS THE MIDDLE GULF COAST STATES TAKING THE UPPER LEVEL DISTURBANCES AROUND THE OUTER PERIPHERY OF THE DEVELOPING HIGH PRESSURE ALOFT. THE ONLY RAIN CHANCES WITH THIS PATTERN WILL BE AROUND THE SOUTHERN AND SOUTHWEST SIDE OF THE UPPER RIDGE FROM DISTURBANCES RIDING WEST ALONG WITH SOME SEA BREEZE DEVELOPMENT DURING THE AFTERNOON AND EARLY EVENINGS. UNDER THE UPPER RIDGE THE TEMPERATURES WILL BE WARMING WELL INTO THE 90/S WITH READINGS NEARING THE CENTURY MARK OVER THE NORTHERN AND EASTERN SECTIONS WHERE CENTER OF THE SYSTEM WAS NEARING 594-595 DM HEIGHTS. /06/ && .AVIATION... FOR THE 18/18Z TAFS...EARLIER ROUND OF CONVECTION HAS EXITED THE AREA BUT A FEW SCT SHWRS CONTINUE TO DEVELOP ALONG A SHEAR AXIS ORIENTED ROUGHLY ALONG THE I-20 CORRIDOR. COVERAGE IS SPOTTY BUT WILL MAINTAIN VCSH AT THE I-20 TERMINALS UNTIL EARLY THIS EVENING WHEN THE SHWRS ARE EXPECTED TO DISSIPATE. LOW CLOUDS AND FOG SHOULD DEVELOP ACROSS MOST OF THE AREA AFTER 19/08Z WITH CONDITIONS GRADUALLY IMPROVING BY MID MORNING TUESDAY. /09/ && .PRELIMINARY POINT TEMPS/POPS... SHV 74 96 75 96 75 / 30 10 10 10 10 MLU 72 95 73 96 74 / 40 10 10 10 10 DEQ 70 94 70 96 71 / 30 10 0 0 0 TXK 71 95 73 96 74 / 30 10 0 0 0 ELD 72 95 72 96 73 / 40 10 0 0 0 TYR 74 96 75 96 75 / 30 10 0 10 10 GGG 73 96 74 96 75 / 30 10 0 10 10 LFK 75 97 74 95 75 / 40 20 20 20 20 && .SHV WATCHES/WARNINGS/ADVISORIES... AR...NONE. LA...NONE. OK...NONE. TX...NONE. && 06
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 1223 PM CDT MON AUG 18 2014 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096- 097-108>112-124>126-136>138-149>153-165>167-191100- ANGELINA-BIENVILLE-BOSSIER-BOWIE-CADDO-CALDWELL-CAMP-CASS-CHEROKEE- CLAIBORNE-COLUMBIA-DE SOTO-FRANKLIN-GRANT-GREGG-HARRISON-HEMPSTEAD- HOWARD-JACKSON-LA SALLE-LAFAYETTE-LINCOLN-LITTLE RIVER-MARION- MCCURTAIN-MILLER-MORRIS-NACOGDOCHES-NATCHITOCHES-NEVADA-OUACHITA- PANOLA-RED RIVER LA-RED RIVER TX-RUSK-SABINE LA-SABINE TX- SAN AUGUSTINE-SEVIER-SHELBY-SMITH-TITUS-UNION AR-UNION LA-UPSHUR- WEBSTER-WINN-WOOD- 1223 PM CDT MON AUG 18 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL AND SOUTHWEST ARKANSAS...NORTH CENTRAL AND NORTHWEST LOUISIANA... SOUTHEAST OKLAHOMA...AND EAST AND NORTHEAST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS SOUTHWEST ARKANSAS AND NORTH LOUISIANA ALONG AND NEAR THE INTERSTATE 20 CORRIDOR...NEAR AN UPPER LEVEL DISTURBANCE THAT WILL SHIFT EAST SOUTHEAST ACROSS THESE AREAS. OTHER ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL OCCUR ACROSS THE REGION...AS DAYTIME HEATING CONTRIBUTES TO INCREASED INSTABILITY AS THIS DISTURBANCE MOVES ACROSS THE REMAINDER OF THE AREA WHERE AN UPPER LEVEL SHEAR AXIS RESIDES. AN ISOLATED SEVERE STORM OR TWO MAY BE POSSIBLE ACROSS A SMALL PART OF SOUTHWEST ARKANSAS AND NORTH CENTRAL LOUISIANA...WITH DAMAGING WINDS THE MAIN THREAT. SHOWERS AND THUNDERSTORMS WILL DIMINISH LATE THIS AFTERNOON AND EVENING...AS THE UPPER LEVEL DISTURBANCE EXITS THE AREA AND WEAKENS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE EACH AFTERNOON TUESDAY THROUGH THURSDAY...OVER DEEP EAST TEXAS AND THE SOUTHERN SECTIONS OF NORTHWEST AND NORTH CENTRAL LOUISIANA...AS A WEAK SEABREEZE MOVES INLAND FROM THE GULF COAST. GUSTY WINDS AND BRIEF HEAVY RAINFALL WILL BE POSSIBLE FROM THESE STORMS. OTHERWISE...LOOK FOR TEMPERATURES TO CLIMB INTO THE MID AND UPPER 90S EACH DAY...WITH HEAT INDICES RANGING FROM 100 TO 105 DEGREES. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND AMATEUR RADIO OPERATORS...MAY BE NEEDED THIS AFTERNOON ACROSS A SMALL PART OF SOUTHWEST ARKANSAS AND NORTHWEST AND NORTH CENTRAL LOUISIANA. 06
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
515 PM CDT MON AUG 18 2014
ARZ050-051-059-060-OKZ077-182300-
HEMPSTEAD-HOWARD-LITTLE RIVER-MCCURTAIN-SEVIER-
515 PM CDT MON AUG 18 2014
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY...EFFECTIVE UNTIL 600 PM CDT...FOR THE FOLLOWING
COUNTIES...
IN SOUTHWEST ARKANSAS...
HEMPSTEAD...HOWARD...LITTLE RIVER AND SEVIER...
IN SOUTHEAST OKLAHOMA...
MCCURTAIN...
INCLUDING THE FOLLOWING LOCATIONS...
ALLEENE...ARKINDA...ASHDOWN...ATHENS...BEN LOMOND...CENTER
POINT...CORINTH...DE QUEEN...DIERKS...FOREMAN...GILLHAM...
HORATIO...LOCKESBURG...MINERAL SPRINGS...NASHVILLE...SARATOGA...
TOLLETTE...UMPIRE...WILTON...WINTHROP AND BROKEN BOW...
AT 513 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
DETECTING A STRONG THUNDERSTORM NEAR GRANNIS...OR 11 MILES NORTH OF
DE QUEEN...MOVING SOUTH AT 60 MPH.
WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.
19The Western Arkansas radar (KSRX), 121 km away, was scanning. The volume nearest the first event began at 22:14 UTC.
2 thunderstorm wind. Local standard time, as filed.
Several trees were downed near the community of Burg northwest of Dierks, Arkansas.
A large tree was downed near Hwy. 70 north of Dierks, Arkansas.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arkansas in 2014Every state in 2014This day in weather historyWarnings in Arkansas, August 2014
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: 530539, 530541.