The Powerhorn II Ranch Wildfire burned around 3000 acres in rural Calhoun County, near Powerhorn Lake. 27) No structures were threatned.
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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 CRP wrote it up.
The Powerhorn II Ranch Wildfire burned around 3000 acres in rural Calhoun County, near Powerhorn Lake. (N 28 26.65, W 96 30.27) No structures were threatned. Several local, state, federal and air resources responded.
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 Corpus Christi, TX wrote its last area forecast discussion before the first event at Mar 11, 12:14 PM CST, 46 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 114 PM CDT WED MAR 11 2009 .DISCUSSION...SEE UPDATED AVIATION DISCUSSION. && .AVIATION...COLD FRONT NEAR VCT TO COT WILL VERY SLOWLY SAP SOUTH INTO THE REGION AND WILL NOT PUSH COMPLETELY OFFSHORE UNTIL AROUND MIDNIGHT TONIGHT. SCT SHRA AND POSSIBLY A FEW TSTMS WILL ACCOMPANY THE FRONT AND EXPECT SOME LIGHT OVER-RUNNING PRECIP BEHIND THE BOUNDARY AS WELL...ESP ON THU. EXCEPT NEAR SHRA...EXPECT VFR CONDITIONS IN ADVANCE OF THE FRONT. SHALLOW NATURE OF THE COLD AIRMASS W/ OVERRUNNING PATTERN WILL LEAD TO IFR CIGS DEVELOPING FROM N TO S DURING THE PERIOD. && .PREV DISCUSSION... /ISSUED 1104 AM CDT WED MAR 11 2009/ DISCUSSION...COLD FRONT CONTINUES TO SAP SLOWLY SOUTH AND WILL REACH THE INLAND AREAS IN NEXT FEW HOURS. HAVE UPDATED BASED ON 12Z NAM12 RUNS THAT ARE A TAD SLOWER W/ THE FROPA AS IT SLOWS TO A CRAWL AS IT MOVES THROUGH THE COASTAL PLAINS AND POSSIBLY INTERACTS W/ A SEA BREEZE. GOOD MOISTURE POOLING AND STRONG CONVERGENCE TOGETHER WITH WEAK DYNAMIC LIFT (TAIL END) ASSOC W/ UPSTREAM S/WX ACROSS NRN MEXICO WILL COMBINE TO PRODUCE NUMEROUS SHOWERS AND ISOLD TO SCT TSTMS AS THE CAP WEAKENS AND POSSIBLY ERODES COMPLETELY. THE FRONT WILL GET ANOTHER PUSH AND FINALLY CLEAR THE REGION OVERNIGHT BRINGING MUCH COLDER AIR ACROSS S TX. BASED ON 12Z NAM12 HAVE UPDATED TO RAISE TEMPS ACROSS MOST OF THE REGION. ALSO RAISE POPS TO 70% ACROSS THE ENTIRE NRN TIER AND FAR WRN COUNTIES. ALTHOUGH SHEAR IS MARGINAL AT BEST...COULD GET SLIGHTLY INTERESTING IF SRN ZONES BREAK OUT OF THE CLOUDS AND MANAGE TO WARM WELL INTO THE 80S AS THIS MAY PUSH CAPE VALUES CLOSE TO 2000 J/KG. THIS IS ALREADY OCCURRING ACROSS DEEP S TX AND QUESTION IS HOW FAR NORTH DOES THE BREAKS IN THE CLOUDS AND WARMER TEMPS GET BEFORE THE FRONT REACHES THE AREA. SPC CONTINUES TO MENTION VERY LOW POTENTIAL FOR SEVERE IN TEXT OF SWODY1 FOR THESE AREAS AND HAVE UPDATED THE HWO TO MENTION TO LOW POTENTIAL FOR SEVERE STORMS MAINLY WEST OF HIGHWAY 77 AND SOUTH OF HIGHWAY 44 WHERE BEST COMBINATION OF FAVORABLE PARAMETERS ARE ANTICIPATED. GIVEN WEAKER SHEAR...ANY STRONG TO SEVERE STORMS THAT FORM WOULD LIKELY BE SHORT LIVED AND PULSE IN NATURE. PREV DISCUSSION... /ISSUED 454 AM CDT WED MAR 11 2009/ SHORT TERM (TODAY THROUGH THURSDAY)...MSAS REVEALS A COLD FRONT MOVG SWD ACRS INTO CNTRL TX. THIS FRONT IS SHALLOW THUS WL DEFER TO THE NAM OVR THE GFS WITH RESPECT TO THE LOWER/MID ATMOSPHERIC LAYERS. NAM PROGS CAPE VALUES AOA 1000 J/KG AND CIN APPROACHING ZERO IN ADVANCE OF THE FRONT BY MID MORNING. NAM PROGS PW VALUES AT LEAST 1.4 IN ALG FRONT. EXPECT CONVECTION IN THE FORM OF BOTH SHOWERS AND THUNDERSTORMS...ESP BY THIS AFTN. BASED ON NAM CAPES PROG OF 0-6KM WIND SHEAR VECTORS...DO NOT ANTICIPATE SUPERCELLS BASED ON EXPECTED BRN. AFTER FROPA...NAM PROGS ISENTROPIC LIFT AND LOW CONDENSATION PRESSURE DEFICITS AT 295K/300K FOR TNGT/THU. OWING TO GFS/NAM JET DYNAMICS IN THE VICINITY TNGT/THU...ELEVATED CONVECTION PSBL AFT FROPA. THUS WL FCST SHOWERS/ISOLD THUNDER AFT 03Z THU AND SHOWER ACTIVITY AFT 12Z THU...INSTEAD OF STRATIFORM RAINFALL. WITH RESPECT TO TEMPS...FCSTG A BLEND OF NAM MOS/ DETERMINISTIC OUTPUT. THUS EXPECT MUCH COOLER CONDITIONS TNGT WITH TEMPERATURES STEADY MAINLY IN THE 40S THU OWING IN PART TO EXTENSIVE CLOUD COVER/THERMAL INVERSION. AVIATION...ALTHOUGH SIGNIFICANT CLOUD COVER EXPECTED DRG THE PERIOD...A TRANSITION FROM MVFR TO VFR CEILINGS EXPECTED BY THIS AFTN. MVFR CONDITIONS WL RETURN FROM NW TO SE ACRS THE REGION TNGT AND LIKELY PERSIST THU IN RESPONSE TO CONDITIONS EXPECTED BEHIND A COLD FRONT. MVFR VSBY RESTRICTIONS FROM RAINFALL THIS AFTN THROUGH THU. MARINE...BRIEF SCEC SEAS OVR THE OFFSHORE WATERS BEFORE CONDITIONS FALL BELOW SCEC AREAWIDE BY AFTN...AS THE FOREGOING COLD FRONT APPROACHES FROM THE N/NW. CONCUR WITH THE NAM FRONTAL TIMING WITH THE FRONT MOVG OFFSHORE BY 00Z THU. ISOLD/SCT CONVECTION EXPECTED BY LATE AFTN AND WL CONTINUE AFT FROPA TNGT/THU. ANTICIPATE AT LEAST SCEC WIND BY THU. LONG TERM (THURSDAY NIGHT THROUGH TUESDAY)...HAVE LOWERED TEMPERATURES FOR THE FIRST FEW PERIODS...THURSDAY NIGHT INTO SATURDAY NIGHT AS CAA WILL BRING BELOW NORMAL TEMPERATURES TO THE REGION. FORECAST REMAINS TRICKY WITH RESPECT TO PRECIPITATION CHANCES THROUGH THIS TIMEFRAME AS WELL. HAVE KEPT CHANCE POPS IN THROUGH SATURDAY EVENING AS AN OVERRUNNING PATTERN SETS UP BEHIND THE FRONTAL PASSAGE. MOST ACTIVITY SHOULD REMAIN IN THE FORM OF EITHER LIGHT RAIN OR SHOWERS WITH HIGHER QPF VALUES NORTH OF OUR REGION. POPS DECREASE FROM WEST TO EAST ON SUNDAY AS A TROUGH SWEEPS NORTH OF THE REGION AND FILTERS IN A DRIER AIRMASS TO START OFF NEXT WEEK. THIS DRIER NORTHWEST FLOW WILL ALSO ALLOW FOR A WARMING TREND BEGINNING SUNDAY. && .PRELIMINARY POINT TEMPS/POPS... CORPUS CHRISTI 80 51 51 50 55 / 30 50 60 40 50 VICTORIA 76 47 48 46 51 / 70 60 70 60 50 LAREDO 79 50 51 51 58 / 70 70 70 40 30 ALICE 83 48 49 49 54 / 50 50 60 40 50 ROCKPORT 77 52 52 50 55 / 30 50 60 40 50 COTULLA 75 47 48 46 55 / 70 70 70 50 40 KINGSVILLE 84 51 51 49 55 / 30 50 50 40 40 NAVY CORPUS 76 54 54 50 56 / 30 50 60 40 50 && .CRP WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. && MJG...UPDATE
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 1047 AM CDT WED MAR 11 2009 TXZ229>234-239>247-121200- LA SALLE-MCMULLEN-LIVE OAK-BEE-GOLIAD-VICTORIA-WEBB-DUVAL- JIM WELLS-KLEBERG-NUECES-SAN PATRICIO-ARANSAS-REFUGIO-CALHOUN- 1047 AM CDT WED MAR 11 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE TEXAS COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT NUMEROUS SHOWERS WITH EMBEDDED ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING MAINLY FROM THE INLAND COASTAL PLAINS WEST INTO THE SOUTH TEXAS BRUSH COUNTRY AND RIO GRANDE PLAINS AS A COLD FRONT MOVES SLOWLY ACROSS THE REGION. THERE IS A CHANCE CLOUDS WILL BREAK ENOUGH TO ALLOW TEMPERATURES TO RISE WELL INTO THE 80S BEFORE THE FRONT MOVES THROUGH SOUTHERN PORTIONS OF THE AREA. IF THIS OCCURS THERE WILL BE A LOW PROBABILITY OF STRONG OR EVEN BRIEFLY SEVERE THUNDERSTORMS ALONG THE FRONT WITH LARGE HAIL BEING THE MAIN THREAT. THE GREATEST CHANCE OF THIS OCCURRING WILL BE MAINLY ACROSS AREAS WEST OF HIGHWAY 77 AND SOUTH OF HIGHWAY 44 THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. GMZ230-235-250-255-270-275-121200- BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS- BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT OCONNOR- COASTAL WATERS BAFFIN BAY TO PORT ARANSAS OUT 20 NM- COASTAL WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20 NM- WATERS BAFFIN BAY TO PORT ARANSAS 20 TO 60 NM- WATERS PORT ARANSAS TO MATAGORDA SHIP CHANNEL 20 TO 60 NM- 1047 AM CDT WED MAR 11 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS AND THE MIDDLE TEXAS COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT ISOLATED TO SCATTERED THUNDERSTORMS EXPECTED LATE THIS AFTERNOON AND TONIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY CONDITIONS MAY APPROACH SMALL CRAFT ADVISORY CRITERIA THURSDAY. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. MJG
The national radar mosaic for the moment the first event began.
1 wildfire. Local standard time, as filed.
The Powerhorn II Ranch Wildfire burned around 3000 acres in rural Calhoun County, near Powerhorn Lake. (N 28 26.65, W 96 30.27) No structures were threatned. Several local, state, federal and air resources responded.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2009Every state in 2009This day in weather historyWarnings in Texas, March 2009
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: 162202.