Texas, 2007

Flash Flood in Texas, June 30, 2007

June 30, 2007 · NWS BRO · 1 event in 1 county or zone

Isolated thunderstorms moved into Hidalgo County producing localized flash flooding and winds knocked down small limbs in an area near McAllen. 32 inches of rainfall and a small tree uprooted.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

What happened

The episode as NWS BRO wrote it up.

Isolated thunderstorms moved into Hidalgo County producing localized flash flooding and winds knocked down small limbs in an area near McAllen. A Sharyland spotter reported 2.32 inches of rainfall and a small tree uprooted. A spotter in north McAllen reported 2 inches of rainfall with minor street flooding.

What forecasters said that day

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 Jun 30, 12:35 PM CST, 4 hours 10 minutes earlier.

Area forecast discussion, Jun 30, 12:35 PM CST, 4 hours 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
135 PM CDT SAT JUN 30 2007

.DISCUSSION...SEA BREEZE GOT ACTIVE TODAY WITH STORMS FIRING
ALONG AND REMAINING NEAR THE COAST MUCH OF THE MORNING AND EARLY
AFTERNOON. AS HEATING CONTINUES ACROSS MIDDLE RIO GRANDE VALLEY
AND WESTERN PORTIONS OF THE CWA EXPECT SHOWERS AND STORMS TO
INCREASE.

NOT MANY CHANGES MADE IN THE LATEST FORECAST AS RAIN CHANCES SHOULD
CONTINUE THEIR INCREASE THROUGH EARLY NEXT WEEK. WITH S TX TO REMAIN
BETWEEN LOW PRESSURE OVER N CENTRAL TEXAS AND HIGH PRESSURE OVER THE
GULF DEEP SOUTHERLY FLOW SHOULD CONTINUE TO PUMP TROPICAL MOISTURE
ACROSS THE CWA. THIS PATTERN IS FORECAST TO PERSIST FOR NEXT
SEVERAL DAYS.

UPPER LOW OVER THE GULF LOOKS LIKE IT IS DRIFTING NORTH ON THE
WESTERN PERIPHERY OF THE BERMUDA HIGH. THIS LOW WILL CONTINUE TO
AIDE IN SHOWER AND THUNDERSTORM DEVELOPMENT OVER THE COASTAL
WATERS OVERNIGHT AND ACT AS A CATALYST TO THE SEA BREEZE DURING
THE DAY.

PRECIPITABLE WATER VALUES HAVE CLIMBED ABOVE 2 INCHES PER
THE MORNING SOUNDING AND MODELS PROG THE PWS TO REMAIN BETWEEN 1.9
AND 2.2 INCHES THROUGH AT LEAST TUESDAY. HEAVY RAIN WILL BE ADDED
TO THE FORECAST WORDING WITH THE PROBABILITY OF MINOR FLOODING
PLAYED UP IN THE HWO. UNCERTAIN OF A FLASH FLOOD WATCH AT THIS
TIME WITH AREAL COVERAGE OF HEAVY RAIN NOT EXPECTED TO BE THAT
WIDESPREAD. HIGHEST CHANCES LOOK TO BE ACROSS THE LOWER AND MIDDLE
RGV WITH SLIGHTLY LOWER CHANCES OUT WEST. AN INCREASE IN CLOUD
COVER THE NEXT FEW DAYS SHOULD KEEP TEMPERATURES NEAR SEASONAL
NORMALS SO WILL TREND TOWARDS THE NOT AS WARM NAM.

DID NOT CHANGE MUCH IN THE EXTENDED PERIOD WITH DIURNAL RAIN CHANCES
CONTINUING THROUGH MUCH OF THE COMING WEEK. TEMPERATURES TO REMAIN
NEAR SEASONAL NORMALS.

&&

.AVIATION...SHRA/TSRA CURRENTLY MVG ONSHORE FROM THE GULF WILL
PRODUCE TEMPO MVFR TO IFR VIS/CIGS BEFORE MOVING FURTHER INLAND
THROUGH THE AFTERNOON AS THE SEABREEZE BOUNDARY MIGRATES WEST.

&&

.MARINE...BUOY020 REPORTED S WINDS AROUND 10 KTS AND SEAS AT 2 FT.
LIGHT TO MODERATE WINDS AND LOW SEAS WILL PREVAIL INTO NEXT WEEK
WITH INCREASED CHANCES FOR RAIN AS AN APPROACHING WEAK TROPICAL WAVE
INTERACTS WITH AN UPPER LEVEL LOW OVER TEXAS. WINDS AND SEAS WILL
INCREASE BY THE MIDDLE OF NEXT WEEK AS THE PRESSURE GRADIENT
TIGHTENS FROM THE INTERACTION OF HIGH PRESSURE OVER THE GULF
AND A DEVELOPING LOW PRESSURE OVER THE CENTRAL PLAINS.

&&

.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL  78  88  79  88 /  20  40  20  50
BROWNSVILLE          77  90  77  90 /  20  40  20  50
HARLINGEN            75  93  76  92 /  20  40  20  50
MCALLEN              76  96  77  94 /  20  40  20  50
RIO GRANDE CITY      76  96  77  95 /  30  30  20  40
SOUTH PADRE ISLAND   80  88  81  87 /  30  40  30  30

&&

.BRO WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...NONE.
&&

THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT:
HTTP://WWW.SRH.NOAA.GOV/BRO

55 MARINE/AVIATION
59 SYNOPTIC
Hazardous weather outlook, Jun 30, 4:38 PM CST, 7 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
538 PM CDT SAT JUN 30 2007

TXZ248>257-011100-
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
538 PM CDT SAT JUN 30 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS ARE ONCE AGAIN EXPECTED TO
DEVELOP ACROSS THE REGION THIS EVENING...PRIMARILY OVER THE MID
AND UPPER VALLEY. SOME OF THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING
TORRENTIAL RAINFALL THAT COULD LEAD TO FLASH FLOODING. PLEASE
REFER TO ANY WARNINGS ISSUED BY THE NATIONAL WEATHER SERVICE FOR
DETAILS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

INCREASED TROPICAL MOISTURE ACROSS THE REGION WILL MAINTAIN A CHANCE
FOR SHOWERS AND THUNDERSTORMS THROUGH THE WEEK. THE STRONGER STORMS
WILL PRODUCE HEAVY RAINFALL WITH LOCALIZED FLOODING REMAINING
POSSIBLE THROUGH THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY. SPOTTERS AND EMERGENCY
MANAGERS ARE ADVISED TO MONITOR THE LATEST WARNINGS AND ADVISORIES
FROM THE NATIONAL WEATHER SERVICE IN BROWNSVILLE.

The radar

The Brownsville radar (KBRO), 89 km away, was scanning. The volume nearest the first event began at 22:46 UTC.

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Hidalgo

When
June 30, 4:45 PM CST to 5:30 PM CST
Where
Hidalgo County, 1.52 mi NNW of Mc Allen
Cause
Heavy Rain
Reported by
Trained Spotter
Coordinates
26.220, -98.239

A skywarn spotter reported street flooding in north McAllen on Ware Road.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Texas in 2007Every state in 2007This day in weather historyWarnings in Texas, June 2007

Sources

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: 43685.