Dry conditions continued across portions of Deep South Texas in March. The dry conditions intensified to severe drought (D2) conditions across western and southwestern portions of the Rio Grande Valley in early March.
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 BRO wrote it up.
Dry conditions continued across portions of Deep South Texas in March. The dry conditions intensified to severe drought (D2) conditions across western and southwestern portions of the Rio Grande Valley in early March. A bout of showers and a few storms ahead of a cold front on the 5th would temporarily drop Jim Hogg and Zapata County out of D2 conditions by the 8th.
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 Brownsville, TX wrote its last area forecast discussion before the first event at Feb 28, 7:58 PM CST, 4 hours 2 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 758 PM CST MON FEB 28 2011 .SHORT TERM/TONIGHT THROUGH 6 AM WEDNESDAY/...WINDS HAVE DIMINISHED RAPIDLY AFTER SUNSET AND WILL LIGHT FROM THE NORTH OVERNIGHT AND NEAR CALM BY SUNRISE TUESDAY AS HIGH PRESSURE SETTLES OVERHEAD. VERY DRY AIR AND CLEAR SKIES WILL COMBINE WITH THE LIGHT WINDS TO PRODUCE EXCELLENT RADIATIONAL COOLING OVERNIGHT. TEMPERATURES ALREADY HAVE FALLEN 5 TO 15 DEGREES FROM AFTERNOON HIGHS. LOWS TEMPERATURES TONIGHT LOOK WITHIN THE BALLPARK. TUESDAY HIGHS MAY BE IN QUESTIONED WITH FULL SUNSHINE AND RELATIVE DRY AIR TO WARM TEMPERATURES UP. HAVE NOT MADE ANY ADJUSTMENTS AT THIS TIME BUT WOULD EXPECT THE LATEST 01/00Z MAV GUIDANCE TO COME BACK CLOSER TO THE WARMER 28/12Z MET NUMBERS. TUESDAY NIGHT/WEDNESDAY MORNING LOW MAY ALSO NEED ADJUSTMENTS AS THE RETURN OF SOUTHEAST WINDS AND HIGHER DEW POINTS WILL BE WELL UNDERWAY. ALL OTHER PARAMETERS WITHIN REASON. && .LONG TERM/6 AM WEDNESDAY THROUGH MONDAY/...A HIGH PRESSURE RIDGE WILL PERSIST ACROSS DEEP SOUTH TEXAS THE MIDDLE OF THIS WEEK PRODUCING LIGHT TO MODERATE SOUTHEASTERLY WINDS ACROSS THE RIO GRANDE VALLEY. THE WINDS WILL BECOME LIGHT AND VARIABLE TO CALM DURING THE OVERNIGHT PERIODS THURSDAY THROUGH SATURDAY MORNING. THE WINDS WILL BE LIGHT TO MODERATE DURING THE AFTERNOONS AND EARLY EVENINGS WITH THE WINDS BECOMING MODERATE NEAR THE COASTAL AREAS DURING THE AFTERNOONS AND EARLY EVENINGS. THE TEMPERATURES WILL BE SLIGHTLY LOWER THAN NORMAL WEDNESDAY AND THURSDAY THEN NEAR NORMAL TO SLIGHTLY HIGHER THAN NORMAL FRIDAY AND SATURDAY MORNING. A WEAK COLD FRONT WILL MOVE THROUGH THE CWA SATURDAY EVENING SHIFTING THE WINDS TO THE NORTH. THE WINDS WILL INCREASE AS THE FRONTAL BOUNDARY MOVES THROUGH THE CWA. LIGHT TO MODERATE NORTH TO NORTHEAST WINDS WILL PREVAIL ACROSS DEEP SOUTH TEXAS SUNDAY THEN THE WINDS WILL SHIFT TO THE SOUTHEAST ON MONDAY REMAINING LIGHT TO MODERATE. && .MARINE...TONIGHT THROUGH 6 AM WEDNESDAY...HIGH PRESSURE TO CONTINUE TO BUILD SOUTH OVER THE GULF BUT DO NOT ANTICIPATE ANY SIGNIFICANT STRENGTHENING OF THE PRESSURE GRADIENT OVERNIGHT. A STEADY NORTH TO NORTHEAST FLOW WITH OCCASIONAL PERIODS OF EXERCISE CAUTION CONDITIONS. OTHER WINDS TO VEER EAST TUESDAY WITH A STEADY STATE SEAS. SOUTHEAST WINDS WINDS RETURN BY WEDNESDAY MORNING. 6 AM WEDNESDAY THROUGH SATURDAY...A HIGH PRESSURE RIDGE EXTENDING ACROSS THE MARINE AREAS THE MIDDLE OF THIS WEEK WILL MAINTAIN LIGHT TO MODERATE SOUTHEASTERLY WINDS AND LOW SEAS ACROSS THE COASTAL WATERS WEDNESDAY THROUGH SATURDAY MORNING. A WEAK COLD FRONT WILL MOVE THROUGH THE MARINE AREAS SATURDAY EVENING SHIFTING THE WINDS TO THE NORTH. THE WINDS AND SEAS WILL INCREASE ACROSS THE OFFSHORE GULF OF MEXICO COASTAL WATERS SATURDAY EVENING AND SATURDAY NIGHT. && .AVIATION...VFR CONDITIONS NEXT 24 HOURS AS HIGH PRESSURE SETTLES OVER THE AREA. && .PRELIMINARY POINT TEMPS/POPS... BAYVIEW/PORT ISABEL 77 54 70 52 / MMM 0 0 0 BROWNSVILLE 82 54 71 52 / MMM 0 0 0 HARLINGEN 83 52 73 51 / MMM 0 0 0 MCALLEN 84 51 76 51 / MMM 0 0 0 RIO GRANDE CITY 83 53 78 52 / MMM 0 0 0 SOUTH PADRE ISLAND 71 59 64 58 / MMM 0 0 0 && .BRO WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. && THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT: HTTP://WWW.WEATHER.GOV/BROWNSVILLE 59/63
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 731 PM CST MON FEB 28 2011 TXZ248>257-011100- ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY- INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON- 731 PM CST MON FEB 28 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. GMZ130-132-135-150-155-170-175-011100- LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO- LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT MANSFIELD TX- LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX- COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM- COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM- WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM 20 TO 60 NM- WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM 20 TO 60 NM- 731 PM CST MON FEB 28 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE GULF OF MEXICO AND THE LAGUNA MADRE. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. GB
The national radar mosaic for the moment the first event began.
4 drought. Local standard time, as filed.
Dry conditions across Zapata County continued in March. Severe (D2) drought conditions developed across all of Zapata County during the first week of March.
Dry conditions continued across Starr County in March. The severe (D2) drought conditions increased to include all of Starr County during the first week of March, would slip back to the eastern two thirds by the 15th after rains on the 5th, but recover to all of the county by the 22nd and intensify by the 31st as heat and wind continued to increase.
The dry conditions continued across Hidalgo County in March. Severe (D2) drought conditions developed across the southwestern one half of Hidalgo County the first week of March, then spread across all of Hidalgo County by the 22nd and begin intensifying at the end of the month.
Severe (D2) Drought would briefly develop across western Jim Hogg for the first week of March, before a band of locally heavy showers on the 5th temporarily knocked it back to moderate by the 8th.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2011Every state in 2011This day in weather historyWarnings in Texas, March 2011
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: 281437, 281438, 281440, 282692.