Thunderstorms developed along a southward moving outflow boundary from thunderstorms the day before and during the overnight. During the initial stages of thunderstorm development, a land spout tornado developed in northern McCulloch County.
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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 SJT wrote it up.
Thunderstorms developed along a southward moving outflow boundary from thunderstorms the day before and during the overnight. During the initial stages of thunderstorm development, a land spout tornado developed in northern McCulloch County. After the thunderstorm matured, the tornado dissipated. But it started producing large hail as the storm moved further to the south across the Northwest Hill Country.
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 San Angelo, TX wrote its last area forecast discussion before the first event at May 1, 11:46 AM CST, 2 hours 19 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 1246 PM CDT TUE MAY 1 2007 .AVIATION... BIG QUESTION FOR THIS AFTERNOON CONTINUES TO BE THUNDERSTORM CHANCES. MAIN FOCUS MAY WELL END UP ALONG AN OUTFLOW BOUNDARY OOZING SOUTHWARD INTO THE NORTHERN CONCHO VALLEY AND HEARTLAND AT NOON. A FEW SHOWERS HAVE PERSISTED ALONG THIS BOUNDARY THROUGH THE MORNING...AND EXPECT THAT AS THE BOUNDARY MOVES SOUTH INTO A MORE UNSTABLE AIR MASS...STORMS WILL REDEVELOP. RIGHT NOW...EXPECT THE STORMS TO DEVELOP NORTH OF THE KSJT TERMINAL BY 21Z...AND PERHAPS SPREAD SOUTHEAST INTO THE KSJT...KBBD...AND EVENTUALLY KJCT TERMINALS BY 00Z. WILL RUN A TEMPO FOR STORMS AT THESE SITES. KABI MAY END UP TOO FAR NORTH...AND KSOA TOO FAR SOUTHWEST...SO WILL MENTION ONLY A VCTS AT THOSE SITES. LOW CLOUDS MAKE A SURGE NORTHWARD ONCE AGAIN THIS EVENING... SPREADING MVFR CEILINGS INTO MOST SITES ONCE AGAIN BY LATE THIS EVENING OR EARLY THIS MORNING. SOUTHERN LOCATIONS...KJCT AND KSOA...MAY END UP FLIRTING WITH IFR CEILINGS BY MORNING. && .PREV DISCUSSION... /ISSUED 604 AM CDT TUE MAY 1 2007/ AVIATION... WIDESPREAD MVFR CIGS OF BKN015-025 EXPECTED ACROSS WEST CENTRAL TEXAS THIS MORNING WITH CEILINGS LIFTING BY LATE MORNING. WIDESPREAD THUNDERSTORMS WILL DEVELOP THIS AFTERNOON ACROSS ALL OF WEST CENTRAL TEXAS CONTINUING THROUGH MOST OF THE NIGHT. PREV DISCUSSION... /ISSUED 425 AM CDT TUE MAY 1 2007/ THIS AM...UPPER LOW MAIN STORY OVER TX PANHANDLE INTO W OK. WC TX WILL CONTINUE TO EXPERIENCE STORM AROUND THE SRN SIDE OF THE LOW AS IT EVER SO SLOWLY MOVES EWD...ONLY TO BE REPLACED BY ANOTHER DEVELOPING UPPER LOW CURRENTLY OFF THE S CA COAST TO AIDE IN CONTINUING POPS THROUGH LATE THU. THEN BY THE WEEKEND A STRONG UPPER LOW DIPS DOWN FROM CA AND THE UPPER STREAM CREATING SRLY FLOW IN THE MID AND UPPER LEVELS. WILL SET UP FOR ANOTHER ROUND OF DISTURBANCES FOR THE LATTER PART OF THE WEEKEND INTO THE BEGINNING OF NEXT WEEK. LOOKING LIKE A RATHER WET FORECAST PERIOD FOR WC TX. && .PRELIMINARY POINT TEMPS/POPS... ABILENE 79 63 81 63 / 40 30 30 40 SAN ANGELO 81 64 85 65 / 30 20 30 40 JUNCTION 81 64 84 66 / 30 30 20 30 && .SJT WATCHES/WARNINGS/ADVISORIES... NONE. && 07
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 304 PM CDT TUE MAY 1 2007 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-022015- FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO- CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD- TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE- MASON- 304 PM CDT TUE MAY 1 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS WILL REDEVELOP ACROSS WEST CENTRAL TEXAS THROUGH THIS EVENING...ESPECIALLY ALONG SEVERAL OLD OUTFLOW BOUNDARIES. THESE BOUNDARIES WILL PROVIDE A FOCUS FOR ADDITIONAL THUNDERSTORM DEVELOPMENT. ANY STORM THAT DOES DEVELOP WILL HAVE THE POTENTIAL OF REACHING SEVERE LEVELS...WITH LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS. HOWEVER...AN ISOLATED TORNADO IS POSSIBLE AS WELL. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SEVERE STORMS ARE POSSIBLE ON WEDNESDAY AFTERNOON AND CONTINUING INTO WEDNESDAY NIGHT. A VERY UNSTABLE AIR MASS WILL MOVE BACK INTO WEST CENTRAL TEXAS...COMBINING WITH AN APPROACHING UPPER LEVEL STORM SYSTEM...AND SEVERAL OUTFLOW BOUNDARIES TO ENHANCE THE THREAT OF SEVERE STORMS. SEVERE STORMS MAY RAPIDLY DEVELOP WEDNESDAY AFTERNOON...WITH VERY LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS. HOWEVER...ISOLATED TORNADOES WILL ALSO BE POSSIBLE. IN ADDITION...VERY HEAVY RAINFALL WILL ALSO BE LIKELY WITH THESE STORMS...WITH FLASH FLOODING A DISTINCT POSSIBILITY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUESTED LATER THIS AFTERNOON AND THIS EVENING...AND AGAIN ON WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT. 07
The San Angelo radar (KSJT), 112 km away, was scanning. The volume nearest the first event began at 20:06 UTC.
2 tornado, 2 hail. Local standard time, as filed.
Skywarn storm spotters watched a landspout tornado develop and skip along the ground for several miles before lifting. The tornado moved across a rather remote area with only minor damage to wheat crops noted.
The land spout tornado touched ground once again. It remained over open fields with no damage reported.
Golfball size hail fell for several minutes.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2007Every state in 2007This day in weather historyThe tornado archive for Texas, 2007Warnings in Texas, May 2007
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: 33378, 33390, 33395, 33396.