South-southwesterly flow ahead of a weak low over Baja brought deep moisture and lift into the region. The thunderstorms that developed were slow moving and produced very heavy rain.
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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 EPZ wrote it up.
South-southwesterly flow ahead of a weak low over Baja brought deep moisture and lift into the region. The thunderstorms that developed were slow moving and produced very heavy rain.
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 El Paso, TX wrote its last area forecast discussion before the first event at Aug 1, 2:00 AM MST, 10 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM 300 AM MDT SUN AUG 1 2010 .SYNOPSIS... AN UPPER LEVEL DISTURBANCE WILL BRING A CHANCE OF SHOWERS AND THUNDERSTORMS TO SOUTHERN NEW MEXICO AND WESTERN TEXAS AGAIN TODAY WITH A FEW STORMS PRODUCING LOCALLY HEAVY RAINFALLS. HIGH PRESSURE ALOFT WILL RESULT IN VERY WARM AND MOSTLY DRY WEATHER FOR THE REMAINDER OF THIS WEEK. && .DISCUSSION... UPPER LOW IS CENTERED OVER CENTRAL ARIZONA EARLY THIS MORNING WITH CIRCULATION AROUND THIS FEATURE TRANSPORTING VERY ABUNDANT MOISTURE INTO NEW MEXICO AND WESTERN TEXAS, IN ADDITION AN EMBEDDED UPPER VORT CENTER/WAVE WAS MOVING NORTHWARD THROUGH THE CWA. PRECIPITABLE WATER REMAINS HIGH AT AROUND 1.5 INCHES AND CAPES TODAY SHOULD BE AROUND 100 J/KG. THUS MORE SHOWERS AND THUNDERSTORMS ARE EXPECTED WITH MOST CONVECTION WEST OF THE RIO GRANDE WHERE STRONGER DYNAMIC LIFT WILL OCCUR. EASTERN PORTIONS OF THE CWA WILL HAVE LESS ACTIVITY AS DRIER AIR FROM THE EAST ADVECTS INTO THE REGION. MODELS HAVE BEEN CONSISTENT IN EXPANDING UPPER RIDGE WESTWARD INTO THE SOUTHERN ROCKIES OVER THE NEXT SEVERAL DAYS. ASSOCIATED LARGER SCALE SUBSIDENCE AND WARMING ALOFT WILL TEND TO STABILIZE THE AIR MASS ACROSS THE CWA...ESPECIALLY EASTERN ZONES. IN ADDITION MID LEVELS WILL DRY AS DEEPER MOISTURE IS SHUNTED SOUTH AND EAST AND PRECIPITABLE WATER FALLS BELOW AN INCH MOST LOCATIONS. THUS EXPECT WARMER MOSTLY DRY WEATHER FOR REMAINDER OF THE WEEK WITH MAINLY ISOLATED CONVECTION EAST OF THE RIO GRANDE AND OVER HIGHER MOUNTAINS. && .AVIATION... UPPER VORTICITY CENTER WILL MOVE ACROSS SOUTHERN NEW MEXICO TODAY CAUSING SHOWERS AND THUNDERSTORMS ACROSS THE REGION THROUGH THIS EVENING...ESPECIALLY WEST OF THE RIO GRANDE. THUS AREAS OF MVFR AND IFR CEILINGS AND VISIBILITIES WILL OCCUR WITH VISIBILITIES UNDER A HALF MILE AND WIND GUSTS TO 50 MPH OVER ISOLATED AREAS. HIGH PRESSURE ALOFT WILL BRING MOSTLY VFR CONDITIONS ON MONDAY EXCEPT FOR A FEW AREAS OF MVFR CEILINGS AND VISIBILITIES IN AFTERNOON SHOWERS AND THUNDERSTORMS. && .FIRE WEATHER... UPPER LOW IS CENTERED OVER CENTRAL ARIZONA EARLY THIS MORNING WITH CIRCULATION AROUND THIS FEATURE TRANSPORTING VERY ABUNDANT MOISTURE INTO NEW MEXICO AND WESTERN TEXAS, IN ADDITION AN EMBEDDED UPPER VORT CENTER/WAVE WAS MOVING NORTHWARD THROUGH THE CWA. THUS SCATTERED SHOWERS AND THUNDERSTORMS WITH LOCALLY HEAVY RAINS WILL OCCUR TODAY...ESPECIALLY WEST OF THE RIO GRANDE. HIGH PRESSURE ALOFT WILL EXPAND WESTWARD INTO THE SOUTHERN ROCKIES LATER THIS WEEK RESULTING IN WARMER DRIER WEATHER WITH ONLY SLIGHT CHANCES OF AFTERNOON AND EARLY EVENING THUNDERSTORMS. MINIMUM HUMIDITIES WILL BE AROUND 40 PERCENT THIS AFTERNOON...DECREASING TO AROUND 20 PERCENT BY TUESDAY. && .PRELIMINARY POINT TEMPS/POPS... EL PASO 93 71 96 72 99 / 20 20 20 20 10 SIERRA BLANCA TX 92 63 93 66 94 / 20 10 10 10 10 LAS CRUCES 93 68 95 70 98 / 20 20 20 20 10 ALAMOGORDO 91 63 93 65 100 / 30 20 20 20 10 CLOUDCROFT 71 48 72 50 75 / 30 20 20 20 20 TRUTH OR CONSEQUENCES 90 64 92 66 98 / 30 30 20 20 10 SILVER CITY 81 56 84 58 88 / 50 40 30 30 20 DEMING 92 65 94 67 97 / 40 30 20 20 10 LORDSBURG 90 63 94 65 98 / 50 40 30 30 20 && .EPZ WATCHES/WARNINGS/ADVISORIES... NM...FLASH FLOOD WATCH THROUGH THIS EVENING FOR NMZ022-023-030>032. TX...NONE. && 05 ROGASH
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM 1118 AM MDT SUN AUG 1 2010 NMZ022>025-030>032-TXZ055-056-021730- SOUTHWEST MOUNTAINS/LOWER GILA REGION-SIERRA COUNTY LAKES REGION- TULAROSA BASIN/SOUTHERN DESERT-SOUTHERN SACRAMENTO MOUNTAINS- SOUTHWEST DESERT/BOOTHEEL-SOUTHWEST DESERT/MIMBRES BASIN- SOUTHERN DESERT-EL PASO-HUDSPETH- 1118 AM MDT SUN AUG 1 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL NEW MEXICO...SOUTHWEST NEW MEXICO AND SOUTHWEST TEXAS. .DAY ONE...TODAY AND TONIGHT A FLASH FLOOD WATCH IS IN EFFECT FOR GRANT AND HIDALGO COUNTIES AND GENERALLY WESTERN PORTIONS OF SIERRA AND DONA ANA COUNTIES UNTIL MIDNIGHT. A PLUME OF MOISTURE REMAINS OVER SOUTHWEST NEW MEXICO WITH SCATTERED SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING HEAVY RAINFALL EXPECTED THROUGH THIS EVENING. WITH THE GROUND SATURATED FROM PREVIOUS RAINS...EXCESS RUNOFF IS EXPECTED WITH A POTENTIAL FOR FLOODING ALONG DRAINAGES AND ARROYOS AND IN LOW LYING AND POORLY DRAINED AREAS. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL OCCUR OVER THE EASTERN COUNTIES BUT HEAVY RAINFALL IS NOT EXPECTED TO BE THAT PREVALENT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY INCREASING HIGH PRESSURE AND LESS MOISTURE WILL REDUCE CHANCES FOR SHOWERS AND THUNDERSTORMS FOR MUCH OF NEXT WEEK. ISOLATED SHOWERS AND THUNDERSTORMS WILL CONTINUE BE POSSIBLE DURING THE AFTERNOON AND EVENING HOURS...ESPECIALLY OVER THE MOUNTAINS. .SPOTTER INFORMATION STATEMENT... SPOTTERS SHOULD REPORT ANY OBSERVED HAZARDOUS WEATHER OR FLOODING TO LOCAL LAW ENFORCEMENT AND THIS OFFICE. LUNDEEN
The Holloman AFB radar (KHDX), 181 km away, was scanning. The volume nearest the first event began at 19:00 UTC.
1 flash flood. Local standard time, as filed.
The Silver City Sun-News reported heavy rains caused significant damage to a section of Forest Road 150 at Rocky Canyon in the Gila National Forest. The Rocky Canyon Campground was inaccessible due to downed logs, debris and large ruts blocking the campground entrance.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New Mexico in 2010Every state in 2010This day in weather historyWarnings in New Mexico, August 2010
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: 256897.