An upper level trough approached the area, resulting in an isolated supercell that impacted Irion and Schleicher Counties. The main hazard was large hail.
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The episode as NWS SJT wrote it up.
An upper level trough approached the area, resulting in an isolated supercell that impacted Irion and Schleicher Counties. The main hazard was 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 San Angelo, TX wrote its last area forecast discussion before the first event at Apr 6, 5:51 PM CST, 9 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE SAN ANGELO TX 651 PM CDT Sun Apr 6 2014 .AVIATION... /00Z TAFS/ The immediate concern at TAF initialization is the cluster of thunderstorms approaching KSJT. Carrying TSRA with wind gust to 25 KT between 0015Z and 0100Z...and may need to amend for stronger winds, reduced visibility or to add hail. Other showers and thunderstorms hav developed across our southern counties and will affect KSOA and KJCT between 00Z and 01Z. The convective activity should diminish after dark. Expect primarily VFR conditions early tonight, with a degradation to MVFR as low cloud ceilings develop overnight. On Monday, low cloud ceilings will lift during the morning, and probably prevail at KABI for a little longer than for the other TAF sites. Isolated to scattered showers and thunderstorms should develop by afternoon. Outside of convective activity this evening, winds will be generally light and variable tonight, becoming north at 5-10 KT on Monday. && .PREV DISCUSSION... /ISSUED 330 PM CDT SUN APR 6 2014/ SHORT TERM... (Tonight and Monday) An upper level trough is currently moving east across West Texas this afternoon. Currently, a few light showers are occurring across portions of the northern Concho Valley and the Big Country, with some light rain and drizzle across the Heartland. Mostly cloudy skies continue across the eastern half of the forecast area, while partial clearing is occurring across far western and southwest counties. Latest convective allowing guidance continues to develop scattered convection late this afternoon across the Concho Valley and North Edwards Plateau, with activity spreading east through early evening. This seems reasonable given increasing largescale ascent and an increase in instability per latest SPC meso analysis. Also seeing abundant cumulus and some developing convection beneath the upper trough over far southeast New Mexico and West Texas in association with colder temperatures aloft. For tonight, going with slight chance to chance POPS this evening, highest across the Big Country. will continue to mention isolated thunder this evening due to steep mid level lapse rates around 7 to 8 degrees C/KM. Some small hail and gusty winds will be possible with some of the stronger cells. Will keep the forecast dry after midnight as the upper level trough and associated lift moves east of the area. Skies will be mostly cloudy tonight with an increase in low clouds after midnight. Went slightly higher than MOS numbers for tonight due to expected cloud cover, with lows in the mid and upper 40s. For Monday, maintaining slight POPS as a shortwave drops southeast on the backside of the main upper level trough and moves across the area during the day. An isolated thunderstorm will be possible due to mid level instability as lapse rates remain steep. Small hail and gusty winds will be the main threat from any storms. Expect highs on Monday in the upper 60s and lower 70s. 24 LONG TERM... (Monday night through the coming weekend) By Monday night the upper level trough will be over east Texas with some lingering showers possible over our eastern tier of counties through Monday evening. Have thus kept a slight chance of showers and isolated thunderstorms through the evening hours generally east of a line from Throckmorton to Ballinger to Junction. Upper level ridging will build over the western CONUS through midweek keeping a northwest flow aloft over the forecast area. An upper level low pressure system moving across the northern tier of states will result in a flattening of upper flow aloft over our area by the end of the week. The GFS and ECMWF move an upper low over southern California early Saturday with the GFS bringing the upper low across central Texas by Sunday. The ECMWF on the other hand doesn't bring an upper low over our area until Tuesday. This disparity between the models creates an uncertainty as to the timing of any associated rainfall for the CWA. The GFS gives us a chance for rainfall beginning Sunday with the ECMWF a day latter. Given the continued inconsistency of the models, will not introduce rainfall at this time. Have kept a dry forecast through the coming weekend with mid to upper 70s on Tuesday warming into the 80s on Wednesday. Afternoon highs will remain in the 80s through the coming weekend. Morning lows will be in the 40s Tuesday and Wednesday, warming into the 50s and lower 60s into the weekend. 15 FIRE WEATHER... Cooler temperatures will continue into Monday with a chance for precipitation through the period. This will keep fire weather conditions low across the area as relative humidities remain above 30 percent. Elevated to near critical fire weather conditions will be possible by mid to late week as southerly winds increase and relative humidity values fall to 15 to 20 percent. 24 && .PRELIMINARY POINT TEMPS/POPS... Abilene 45 68 41 74 46 / 30 20 10 0 0 San Angelo 45 69 41 77 46 / 20 20 10 0 0 Junction 46 72 39 79 45 / 20 20 20 0 5 && .SJT WATCHES/WARNINGS/ADVISORIES... NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 210 PM CDT SUN APR 6 2014 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-071915- 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- 210 PM CDT SUN APR 6 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT ISOLATED THUNDERSTORMS WILL BE POSSIBLE ACROSS PORTIONS OF WEST CENTRAL TEXAS THIS AFTERNOON AND EVENING. A FEW OF THE STORMS MAY PRODUCE SMALL HAIL...GUSTY WINDS...AND DANGEROUS CLOUD TO GROUND LIGHTNING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ISOLATED THUNDERSTORMS WILL BE POSSIBLE WEST CENTRAL TEXAS ON MONDAY. A FEW OF THE STORMS MAY PRODUCE SMALL HAIL AND GUSTY WINDS. ANY THUNDERSTORM THAT DEVELOPS WILL BE CAPABLE OF DANGEROUS CLOUD TO GROUND LIGHTNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. 24
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
343 PM CDT SUN APR 6 2014
TXZ064-071-072-062130-
IRION TX-STERLING TX-TOM GREEN TX-
343 PM CDT SUN APR 6 2014
...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 430 PM CDT FOR
IRION...STERLING AND TOM GREEN COUNTIES...
POTENTIAL STORM HAZARDS INCLUDE...
DANGEROUS LIGHTNING
GUSTY WINDS AND HAIL
AT 338 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 21 MILES SOUTHWEST
OF STERLING CITY...OR ABOUT 19 MILES SOUTHEAST OF GARDEN CITY...
MOVING NORTHEAST AT 20 MPH.
NUMEROUS CLOUD TO GROUND LIGHTNING STRIKES ARE OCCURRING!
POTENTIAL STORM IMPACTS INCLUDE...
FIRE IGNITED BY LIGHTNING...
LOCALIZED SHORT DURATION POWER OUTAGES...
LIGHTNING MAY CAUSE POSSIBLE INJURY OR DEATH TO PEOPLE REMAINING
OUTDOORS...
A FEW SMALL BROKEN TREE BRANCHES...
AN ISOLATED POWER OUTAGES POSSIBLE...
A FEW LOOSE OBJECTS TOPPLED...
HAZARDOUS DRIVING CONDITIONS AND POSSIBLE BLOWING DUST...
MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.
THE STRONG THUNDERSTORM WILL BE NEAR...
STERLING CITY BY 430 PM CDT
LAT...LON 3179 10127 3198 10095 3153 10074 3141 10124
3148 10128
TIME...MOT...LOC 2043Z 242DEG 19KT 3168 10125SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
537 PM CDT SUN APR 6 2014
TXZ064-071-072-062300-
IRION TX-STERLING TX-TOM GREEN TX-
537 PM CDT SUN APR 6 2014
...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 600 PM CDT FOR
IRION...STERLING AND TOM GREEN COUNTIES...
POTENTIAL STORM HAZARDS INCLUDE...
GUSTY WINDS AND HAIL
AT 535 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 26 MILES WEST OF
ARDEN...OR ABOUT 23 MILES SOUTHWEST OF STERLING CITY...MOVING EAST AT
25 MPH.
POTENTIAL STORM IMPACTS INCLUDE...
A FEW SMALL BROKEN TREE BRANCHES...
AN ISOLATED POWER OUTAGES POSSIBLE...
A FEW LOOSE OBJECTS TOPPLED...
HAZARDOUS DRIVING CONDITIONS...
THE STRONG THUNDERSTORM WILL REMAIN ACROSS...
NORTHWESTERN TOM GREEN...SOUTHERN STERLING AND NORTHERN IRION
COUNTIES.
LAT...LON 3163 10123 3170 10077 3169 10075 3143 10076
3150 10124
TIME...MOT...LOC 2236Z 267DEG 20KT 3156 10118The San Angelo radar (KSJT), 70 km away, was scanning. The volume nearest the first event began at 00:04 UTC.
4 hail. Local standard time, as filed.
The Barnhart fire department reported half-dollar size hail in Barnhart. A possible funnel cloud was also observed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2014Every state in 2014This day in weather historyWarnings in Texas, April 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: 514855, 514856, 514857, 514858.