A bow-shaped linear complex of thunderstorms that produced widespread wind damage across southeastern New Mexico propagated southeast across the Upper Trans Pecos region of west Texas around midnight CST on the 12th. Although damage reports were likely limited by the rural and largely unpopulated nature of the area, several large trees were blow down and at least one light structure sustained…
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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 MAF wrote it up.
A bow-shaped linear complex of thunderstorms that produced widespread wind damage across southeastern New Mexico propagated southeast across the Upper Trans Pecos region of west Texas around midnight CST on the 12th. Although damage reports were likely limited by the rural and largely unpopulated nature of the area, several large trees were blow down and at least one light structure sustained damage.
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 Midland/Odessa, TX wrote its last area forecast discussion before the first event at Aug 12, 1:57 PM CST, 9 hours 18 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 257 PM CDT THU AUG 12 2004 .SHORT TERM... MODELS APPEAR REASONABLY WELL INITIALIZED...ALTHOUGH THE GFS HAS A SLIGHT EDGE GIVEN A BETTER 500 MB INITIALIZATION OVER THE DESERT SOUTHWEST. HAVE TRENDED TOWARD THE GFS BASED ON ITS RUN-TO-RUN CONSISTENCY IN BRINGING A MCS...NOW BEGINNING TO DEVELOP OVER NORTHEASTERN NEW MEXICO...SOUTH ACROSS EASTERN NEW MEXICO THIS EVENING...EVENTUALLY MAKING IT INTO THE MAF CWFA AROUND MIDNIGHT. COLLOCATION OF LOW LEVEL INFLOW AND INSTABILITY ARGUES FOR HIGHEST POPS...LIKELY OR BETTER...ALONG A KHOB-KINK LINE AFTER MIDNIGHT. AM NOT TOTALLY SOLD ON SEVERE CHANCES WITH THIS MCS...AT BEST WE EXPECT SMALL CHANGE HAIL AND MARGINALLY SEVERE WIND GUSTS...BUT WILL CARRY POSITIVE MENTION OF SEVERE ALONG WITH MENTION OF HEAVY RAINFALL. AGREE WITH HPC ASSESSMENT OF LOCALIZED 5CM AMOUNTS POSSIBLE OVERNIGHT...BUT WIDESPREAD THREAT NOT SUFFICIENT ENOUGH NOW TO JUSTIFY A FLASH FLOOD WATCH. SUBSIDENCE AND OUTFLOW HAS MESOED OUT MOST OF THE AREA THIS AFTERNOON...BUT LATEST VISIBLE SATELLITE IMAGERY DOES INDICATE MOGR CU DEVELOPING OVER THE DAVIS MOUNTAINS. WEVE CARRIED SLGT CHC POPS FROM THIS AREA NORTH ACROSS THE GUADALUPES TO ACCOUNT FOR ANY OROGRAPHICALLY-DRIVEN CONVECTION EARLY THIS EVENING. POP...QPF... SKY...AND WX GRIDS REFLECT CONFIDENCE IN BRINING THE MCS THROUGH SOUTHEASTERN NEW MEXICO DOWN THROUGH THE UPPER TRANS PECOS AND THE WESTERN BASIN AFTER MIDNIGHT. HAVE TRENDED TOWARD THE WETTER AND COOLER GFS GUIDANCE FOR DEWPOINT AND MIN TEMP GRIDS...RESPECTIVELY. LASTLY...HAVE ATTEMPTED TO APPROXIMATE OUTFLOW CONDITIONS IN WIND GRIDS AFTER MIDNIGHT. .LONG TERM... THE RIDGE/TROUGH IN THE WEST/EAST PATTERN WILL CONTINUE THROUGH THE WEEKEND. INSTABILITY WILL BE ALLOWED TO INCREASE DURING THE AFTERNOON HOURS EACH DAY CREATING THE POSSIBILITY FOR MCS/S TO MOVE ACROSS THE CWA IN THE NORTHWEST FLOW ALOFT. WILL CONTINUE THE LIKELY POPS THROUGH TOMORROW MORNING AS THE MCS EXPECTED OVERNIGHT SHOULD CONTINUE WORKING ITS WAY SOUTHEAST THROUGH THE MORNING HOURS. WILL SPLIT THE MORNING/AFTERNOON POPS AND DECREASE THE AFTERNOON RAIN CHANCES FOR THE LOWER TRANS PECOS SIGNIFICANTLY. BELIEVE WITH THE SIMILAR SET UP OVERNIGHT AS WE HAD THIS MORNING...EXPECT THE MCS TO QUICKLY DISSIPATE AFTER THE MORNING HOURS. THIS PATTERN WILL CONTINUE THROUGH FRIDAY NIGHT...AND WE WILL RETAIN THE CHANCE POPS ON FRIDAY NIGHT IN SOUTHEASTERN NM FOR ANOTHER POSSIBLE AREA OF THUNDERSTORMS MOVING SOUTH/SOUTHEAST OUT OF EAST/CENTRAL NM. THESE POPS MAY NEED TO BE INCREASED IF THE SET UP CONTINUES TO LOOK FAVORABLE FOR ANOTHER ROUND OF THUNDERSTORMS. BY SATURDAY NIGHT...WEAKENING FLOW ALOFT AND THE LACK OF A WELL DEFINED SHORTWAVE TROUGH ARGUES TO KEEP ONLY SLIGHT CHANCE POPS IN THE FORECAST. THERE WILL BE A WEAK SHORTWAVE MOVING WEST TO EAST...BUT AT THIS TIME IT LOOKS LIKE THIS FEATURE SHOULD REMAIN NORTH OF OUR CWA. THROUGH MUCH OF THE REST OF THE WEEK...THE BEST INSTABILITY STAYS OVER WESTERN AREAS AND MOUNTAINS OF OUR CWA. WILL KEEP HIGHEST POPS OVER OUR WESTERN AREAS TO REFLECT THIS PATTERN. WILL KEEP TEMPERATURES WELL BELOW NORMAL THROUGH THE WEEKEND WITH THE EXPECTED RAINFALL AND CLOUDS. HIGHS WILL SLOWLY WARM TO NEAR NORMAL BY THE END OF THE FORECAST PERIOD. && .PRELIMINARY POINT TEMPS/POPS... BIG SPRING TX 65 81 61 84 / 50 40 20 20 CARLSBAD NM 66 83 63 84 / 60 20 30 20 DRYDEN TX 67 83 66 85 / 20 70 20 20 FORT STOCKTON TX 65 87 64 84 / 70 70 20 20 GUADALUPE PASS TX 64 79 61 79 / 20 20 30 20 HOBBS NM 58 83 61 83 / 80 30 30 20 MARFA TX 61 81 58 79 / 20 30 30 20 MIDLAND INTL AIRPORT TX 63 82 62 84 / 70 50 20 20 ODESSA TX 64 82 63 83 / 70 50 30 20 WINK TX 68 85 66 85 / 70 60 30 20 && .MAF WATCHES/WARNINGS/ADVISORIES... TX...NONE. NM...NONE. && 70/54/20
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 311 PM CDT THU AUG 12 2004 NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075- 079>082-258-131000- ANDREWS-BIG BEND AREA-BORDEN-CENTRAL LEA COUNTY-CRANE- DAVIS/APACHE MOUNTAINS AREA-DAWSON-ECTOR-EDDY COUNTY PLAINS-GAINES- GLASSCOCK-GUADALUPE MOUNTAINS-GUADALUPE MOUNTAINS OF EDDY COUNTY- HOWARD-LOVING-MARFA PLATEAU-MARTIN-MIDLAND-MITCHELL- NORTHERN LEA COUNTY-PECOS-PRESIDIO VALLEY-REAGAN- REEVES COUNTY AND UPPER TRANS PECOS-SCURRY-SOUTHERN LEA COUNTY- TERRELL-UPTON-VAN HORN AND HIGHWAY 54 CORRIDOR-WARD-WINKLER- 311 PM CDT (211 PM MDT) THU AUG 12 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST TEXAS AND SOUTHEASTERN NEW MEXICO. .DAY ONE...TONIGHT ISOLATED NON-SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS EVENING OVER THE GUADALUPE AND DAVIS MOUNTAINS SOUTH INTO THE TEXAS BIG BEND. WIND GUSTS TO 40 MPH AND FREQUENT LIGHTING CAN BE EXPECTED WITH THIS ACTIVITY. THESE STORMS SHOULD DISSIPATE AN HOUR OR SO AFTER SUNSET. LATER TONIGHT...A COMPLEX OF STRONG TO SEVERE THUNDERSTORMS WILL DEVELOP OVER NORTHEASTERN NEW MEXICO AND MOVE SOUTH TOWARD WEST TEXAS AND SOUTHEASTERN NEW MEXICO. THIS COMPLEX SHOULD ENTER SOUTHEASTERN NEW MEXICO AND THE NORTHWESTERN PERMIAN BASIN AROUND MIDNIGHT. THIS COMPLEX WILL THEN MOVE SOUTH ACROSS THE WESTERN PERMIAN BASIN AND THE UPPER TRANS PECOS REGIONS OF WEST TEXAS DURING THE EARLY MORNING HOURS FRIDAY. WIND GUSTS OVER 60 MPH...HAIL TO THE SIZE OF QUARTERS...AND FREQUENT LIGHTNING ARE POSSIBLE. IN ADDITION...RAINFALL RATES OVER AN INCH PER HOUR MAY RESULT IN LOCALIZED FLOODING OF LOW LYING AREAS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY EARLY FRIDAY...THUNDERSTORMS ARE EXPECTED TO BE ON THE DECREASE OVER SOUTHEASTERN NEW MEXICO AND WEST TEXAS. LOCALLY HEAVY RAINFALL WILL REMAIN A THREAT AFTER SUNRISE FRIDAY...ESPECIALLY ALONG THE PECOS RIVER. OTHERWISE...NO OTHER HAZARDOUS WEATHER THREATS ARE EXPECTED THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN YOUR AREA. SPOTTER ACTIVATION MAY BE REQUESTED LATE TONIGHT ACROSS SOUTHEASTERN NEW MEXICO AND THE WESTERN PERMIAN BASIN OF WEST TEXAS. THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN MIDLAND CAN BE FOUND ON THE INTERNET AT http://www.srh.noaa.gov/maf.
The Midland/Odessa radar (KMAF), 163 km away, was scanning. The volume nearest the first event began at 05:14 UTC.
3 thunderstorm wind. Local standard time, as filed.
A rural resident of northwestern Loving County reported severe thunderstorm winds that broke large tree limbs and displaced large appliances, including a retired clothes dryer, that were stored outside.
Severe thunderstorm winds blew the roof off of a barn in Barstow.
A local radio station broadcaster reported 60 MPH winds in Pecos. A National Weather Service rainfall observer reported that a large tree was blown down by the severe thunderstorm winds.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2004Every state in 2004This day in weather historyWarnings in Texas, August 2004
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: 5418541, 5418543, 5418542.