Alert archive / Texas / Flash Flood Warnings in 2012

Flash Flood Warning 9, NWS Brownsville, TX

June 30, 2012Cameron County, Texas

NWS Brownsville, TX issued this flash flood warning at Jun 30, 2012, 4:37 PM CDT for Cameron County, Texas. It was in force for 3 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 30, 2012, 4:37 PM CDT (21:37 UTC)
Expired: Jun 30, 2012, 8:00 PM CDT
In force: 3 hr
Issued by: NWS Brownsville, TX
Area: Storm-based polygon
Flood severity: None

County Cameron County, TX

The radar

The Brownsville radar (KBRO), 12 km from the middle of the area, began a volume at 21:39 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 30, 4:45 PM CDT	FLASH FLOOD	3 Nw Brownsville, TX	SPOTTER REPORTS WATER IN THE STREETS AND RESACAS OUT OF THEIR BANKS AND OVER WALLS. FIVE INCHES OF RAIN TODAY.
Jun 30, 5:59 PM CDT	FLASH FLOOD	2 Nw Brownsville, TX	PRICE ROAD IMPASSIBLE WITH AT LEAST A FOOT OF WATER OVER IT IN WESTERN BROWNSVILLE.
Jun 30, 6:43 PM CDT	FLASH FLOOD	Brownsville, TX	WATER IN A FEW HOMES IN DOWNTOWN BROWNSVILLE. RESACAS GETTING HIGH. PRICE ROAD MOSTLY CLOSED...BOCA CHICA CLOSED IN A FEW SPOTS. A FEW OTHER STREETS CLOSED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this flash flood warning; the first came 8 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 9.6 hours before the alert went out and 14 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2903 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 784 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

851 
WGUS54 KBRO 302137
FFWBRO
TXC061-302300-
/O.NEW.KBRO.FF.W.0009.120630T2137Z-120630T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
437 PM CDT SAT JUN 30 2012

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL CAMERON COUNTY IN DEEP SOUTH TEXAS...
  THIS INCLUDES THE CITIES OF...OLMITO...BROWNSVILLE.

* UNTIL 600 PM CDT

* AT 435 PM CDT...RADAR INDICATED VERY HEAVY RAINFALL WAS ONCE AGAIN 
INCREASING MAINLY IN WESTERN BROWNSVILLE...WITH RADAR RAINFALL RATES 
OF UP TO TWO TO THREE INCHES PER HOUR. SPOTTERS REPORT STREET 
FLOODING AND RISES IN RESACAS IN WESTERN BROWNSVILLE SINCE 400 PM. 
THE ADDITIONAL HEAVY RAINFALL WILL AGGRAVATE EXISTING CONDITIONS AND 
LIKELY LEAD TO FLASH FLOODING...MAINLY WEST OF THE EXPRESSWAY IN 
BROWNSVILLE AND TOWARDS SAN PEDRO.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR.

  OTHER LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...RANCHO
  VIEJO AND SAN PEDRO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF WILL CAUSE FLOODING OF LOW LYING AREAS AND
INTERSECTIONS. POOR DRAINAGE AREAS ARE MOST AT RISK. DO NOT DRIVE
THROUGH FLOODED ROADS!

DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN!

&&

LAT...LON 2585 9746 2588 9746 2588 9750 2589 9751
      2588 9752 2593 9755 2594 9758 2596 9759
      2596 9761 2598 9763 2602 9764 2605 9762
      2602 9747 2585 9744

$$

JGG

5 follow-up statements

907 
WGUS74 KBRO 302154
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
454 PM CDT SAT JUN 30 2012

TXC061-302300-
/O.CON.KBRO.FF.W.0009.000000T0000Z-120630T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMERON TX-
454 PM CDT SAT JUN 30 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL CAMERON
COUNTY UNTIL 600 PM CDT...

  LOCATIONS AFFECTED INCLUDE...
  OLMITO.
  BROWNSVILLE.


AT 445 PM CDT...WEATHER SPOTTERS REPORTED WATER OVER THE ROADWAYS IN 
WESTERN BROWNSVILLE NEAR SAN PEDRO. RESACAS WERE ALSO REPORTED TO BE 
LEAVING THEIR BANKS IN THIS AREA. ADDITIONAL HEAVY RAINFALL IS 
EXPECTED AND THAT IS EXPECTED TO AGGRAVATE THE ONGOING FLOODING AND 
LEAD TO NEW FLOODING. SPOTTERS REPORT FIVE INCHES OF RAIN HAS FALLEN 
THIS AFTERNOON IN THE AREA.

OTHER LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...RANCHO VIEJO 
AND SAN PEDRO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A POTENTIALLY DANGEROUS SITUATION FOR TRAVELERS IN THE AREA. 
MOTORISTS SHOULD BE EXTREMELY VIGILANT TO THE POSSIBILITY OF WATER 
OVER THE ROADWAYS...AND RECONSIDER TRAVEL PLANS THIS EVENING IF THEY 
ARE NOT NECESSARY. EXCESSIVE RUNOFF WILL CAUSE FLOODING OF LOW LYING 
AREAS AND INTERSECTIONS. POOR DRAINAGE AREAS ARE MOST AT RISK. DO 
NOT DRIVE THROUGH FLOODED ROADS!

&&

LAT...LON 2585 9746 2588 9746 2588 9750 2589 9751
      2588 9752 2593 9755 2594 9758 2596 9759
      2596 9761 2598 9763 2602 9764 2605 9762
      2602 9747 2585 9744

$$

JGG

743 
WGUS54 KBRO 302249
FFWBRO
TXC061-010100-
/O.EXT.KBRO.FF.W.0009.000000T0000Z-120701T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
549 PM CDT SAT JUN 30 2012

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL CAMERON COUNTY IN DEEP SOUTH TEXAS...
  THIS INCLUDES THE CITIES OF...OLMITO...BROWNSVILLE.

* UNTIL 800 PM CDT

* AT 548 PM CDT...HEAVY RAINFALL CONTINUES ACROSS WESTERN PORTIONS 
OF BROWNSVILLE. RADAR ESTIMATES AND SPOTTER REPORTS INDICATE 4 TO 6 
INCHES OF RAIN HAS FALLEN THIS AFTERNOON. ADDITIONAL HEAVY RAIN OF 
ONE TO TWO INCHES IS POSSIBLE THROUGH 700 PM. EMERGENCY MANAGEMENT 
REPORTS STREET CLOSURES IN THE CITY OF BROWNSVILLE...AND SPOTTERS 
CONTINUE TO REPORT AREAS WHERE WATER COVERS THE ROADWAY. THE MOST 
EXTENSIVE FLOODING IS EXPECTED MAINLY WEST OF THE EXPRESSWAY.

OTHER LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...RANCHO   
VIEJO AND SAN PEDRO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF WILL CAUSE FLOODING OF LOW LYING AREAS AND
INTERSECTIONS. POOR DRAINAGE AREAS ARE MOST AT RISK. DO NOT DRIVE
THROUGH FLOODED ROADS!

&&

LAT...LON 2585 9746 2588 9746 2588 9750 2589 9751
      2588 9752 2593 9755 2594 9758 2596 9759
      2596 9761 2598 9763 2602 9764 2605 9762
      2602 9747 2585 9744

$$

JGG

345 
WGUS74 KBRO 302303
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
603 PM CDT SAT JUN 30 2012

TXC061-010100-
/O.CON.KBRO.FF.W.0009.000000T0000Z-120701T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMERON TX-
603 PM CDT SAT JUN 30 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL CAMERON
COUNTY UNTIL 800 PM CDT...


AT 601 PM CDT...AN OFF DUTY NWS EMPLOYEE REPORTED PRICE ROAD WAS 
IMPASSIBLE IN WESTERN BROWNSVILLE WITH AROUND ONE FOOT OF WATER ON 
IT. RADAR CONTINUES TO INDICATE HEAVY RAIN MOVING INTO THE AREA WITH 
FIVE TO SIX INCHES OF RAIN ALREADY FALLEN. TRAVELING IN WESTERN 
BROWNSVILLE AND NEARBY AREAS WILL BE POTENTIALLY DANGEROUS. IT MAY 
CONTINUE TO RAIN IN THE AREA FOR AT LEAST A FEW MORE HOURS.

  LOCATIONS AFFECTED INCLUDE...
  OLMITO.
  BROWNSVILLE.
  SAN PEDRO.

NEVER ENTER AREAS WHERE WATER COVERS THE ROADWAY AS THE DEPTH MAY BE 
TOO GREAT TO ALLOW SAFE PASSAGE. TURN AROUND...DONT DROWN.


LAT...LON 2585 9746 2588 9746 2588 9750 2589 9751
      2588 9752 2593 9755 2594 9758 2596 9759
      2596 9761 2598 9763 2602 9764 2605 9762
      2602 9747 2585 9744

$$

JGG

257 
WGUS74 KBRO 302345
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
645 PM CDT SAT JUN 30 2012

TXC061-010100-
/O.CON.KBRO.FF.W.0009.000000T0000Z-120701T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMERON TX-
645 PM CDT SAT JUN 30 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL CAMERON
COUNTY UNTIL 800 PM CDT...

  LOCATIONS AFFECTED INCLUDE...
  OLMITO.
  BROWNSVILLE.


AT 644 PM CDT...EMERGENCY MANAGEMENT REPORTED THAT WATER WAS IN A 
FEW HOMES IN THE DOWNTOWN BROWNSVILLE AREA. PRICE ROAD IS CLOSED FOR 
MOST OF ITS LENGTH...AND BOCA CHICA IS CLOSED IN PLACES ON THE WEST 
SIDE OF TOWN. THE HEAVY RAIN HAS ENDED FOR THE MOMENT...BUT MORE 
RAINFALL IS MOVING IN FROM THE SOUTHWEST AN AN ADDITIONAL HALF INCH 
TO INCH OF RAIN REMAINS POSSIBLE...STARTING AT ABOUT 700 PM IN 
SOUTHWESTERN BROWNSVILLE.

OTHER LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...RANCHO VIEJO
AND SAN PEDRO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF WILL CAUSE FLOODING OF LOW LYING AREAS AND
INTERSECTIONS. POOR DRAINAGE AREAS ARE MOST AT RISK. DO NOT DRIVE
THROUGH FLOODED ROADS!

&&

LAT...LON 2585 9746 2588 9746 2588 9750 2589 9751
      2588 9752 2593 9755 2594 9758 2596 9759
      2596 9761 2598 9763 2602 9764 2605 9762
      2602 9747 2585 9744

$$

JGG

339 
WGUS74 KBRO 010057
FFSBRO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
757 PM CDT SAT JUN 30 2012

TXC061-010113-
/O.EXP.KBRO.FF.W.0009.000000T0000Z-120701T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMERON TX-
757 PM CDT SAT JUN 30 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTH CENTRAL
CAMERON COUNTY WILL BE ALLOWED TO EXPIRE AT 800 PM CDT...

THE WARNING HAS BEEN REPLACED BY A FLOOD ADVISORY. IF ADDITIONAL 
HEAVY RAINS OCCUR THIS EVENING FLASH FLOODING MAY QUICKLY REDEVELOP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN!

&&

LAT...LON 2585 9746 2588 9746 2588 9750 2589 9751
      2588 9752 2593 9755 2594 9758 2596 9759
      2596 9761 2598 9763 2602 9764 2605 9762
      2602 9747 2585 9744

$$

JGG

What forecasters said that day

The local office's own words before this flash flood warning went out, 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 this flash flood warning went out at Jun 30, 1:43 PM CDT, 2 hours 54 minutes earlier.

Area forecast discussion, Jun 30, 1:43 PM CDT, 2 hours 54 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
143 PM CDT SAT JUN 30 2012

.SHORT TERM /NOW THROUGH SUNDAY NIGHT/...SQUALL LINE RACING
SOUTHWARD ACROSS THE COASTAL COUNTIES PRODUCED WIND GUSTS OF 35 TO
45KTS AS IT PASSED KHRL AND KBRO. DEEP MOISTURE AND IMPRESSIVE
INSTABILITY HAVE KEPT THUNDERSTORM INVIGORATED...BUT STORMS HAVE
NOT HAD QUITE THE HOLDING POWER DUE TO WEAK AND VARIABLE WINDS UP
TO 25000 FEET. THE OUTFLOW BOUNDARY HAS STABILIZED THE REGION IN
ITS WAKE FOR THE TIME BEING...BUT AREAS FURTHER INLAND HAVE SEEN
LITTLE CLOUD COVER AND REMAIN UNSTABLE. SHOWERS AND THUNDERSTORMS
ARE STILL EXPECTED FOR THESE REGIONS THROUGH SUNSET. PRECIPITATION
IS STILL EXPECTED TO CONTINUE THROUGH THE NEXT 36 HOURS DUE TO THE
MID LEVEL LOW CURRENTLY OVERHEAD MOVING SLOWLY WESTWARD INTO
MEXICO. CHANCES REMAIN ISOLATED FOR ALL AREAS THROUGH SUNDAY
NIGHT. HIGHS TOMORROW WILL AGAIN REACH THE MID 90S TO AROUND 100.

.LONG TERM /MONDAY THROUGH SATURDAY MORNING/...TROPICAL AIR MASS
CHARACTERISTICS WILL PERSIST OVER THE CWA ON MONDAY...BUT AS H5
RIDGING AND SURFACE HIGH PRESSURE COME TO DOMINATE THE GULF OF
MEXICO...MUCH OF THE UPCOMING WEEK WILL SEE SEASONAL WEATHER.
TEMPS WILL BE NEAR TO SLIGHTLY ABOVE NORMAL WITH A MODERATE
ONSHORE WIND. COASTAL SHOWERS WILL KEEP ISOLATED POPS IN THE
FORECAST.

&&

.MARINE...
TONIGHT THROUGH SUNDAY NIGHT...MARINE CONDITIONS ARE AGITATED AT
THE MOMENT DUE TO THE SQUALL LINE PRODUCING GUSTY NORTH WINDS. AS
THE LINE MOVES SOUTH AWAY FROM THE NW GULF...WINDS WILL SHIFT BACK
TO THE SOUTHEAST AND RUN 15 TO 20 KNOTS. EXERCISE CAUTION WORDING
IS EXPECTED...WITH POSSIBLE ADVISORIES FOR THE GULF WATERS LATE
TONIGHT INTO TOMORROW WHEN WINDS REACH AROUND 20 KNOTS. SEAS WILL
HOVER AROUND 3 TO 4 FEET THROUGH THE PERIOD.

MONDAY THROUGH THURSDAY MORNING...THE LARGE SCALE PATTERN WILL BE
DOMINATED BY SURFACE HIGH PRESSURE OVER MUCH OF THE GULF. TROPICAL
MOISTURE WILL MOVE NORTH FROM THE SOUTHWEST GULF ON THE SYNOPTIC
SCALE SOUTHEAST WINDS...PRODUCING PERIODS OF MARINE SHOWERS...BUT
OTHERWISE EXPECT MODERATE SOUTHEAST WINDS AND MODERATE SEAS...
EXCEPT FOR MONDAY WHEN WINDS AND SEAS WILL BE SLIGHTLY HIGHER AND
POSSIBLY IN EXERCISE CAUTION TERRITORY.

&&

.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL  79  92  78  92 /  20  30  20  10
BROWNSVILLE          77  95  78  92 /  20  30  20  10
HARLINGEN            76  95  77  95 /  20  30  20  10
MCALLEN              76  98  78  95 /  20  30  20  10
RIO GRANDE CITY      76 100  78  96 /  20  30  20  10
SOUTH PADRE ISLAND   81  90  79  90 /  30  30  20  10

&&

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

THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT:
HTTP://WEATHER.GOV/RGV

64/54/MARTINEZ

Hazardous weather outlook, Jun 30, 4:13 AM CDT, 12 hours 24 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BROWNSVILLE TX
413 AM CDT SAT JUN 30 2012

TXZ248>257-011100-
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
413 AM CDT SAT JUN 30 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.

NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP DURING THE LATE
MORNING THROUGH LATE AFTERNOON HOURS. LOCALLY HEAVY RAINFALL IS
POSSIBLE...PRODUCING PONDING OF WATER ON ROADS AND HIGHWAYS AND
MINOR NUISANCE FLOODING IN POORLY DRAINING AND LOW-LYING AREAS.

THERE IS A MODERATE RISK OF RIP CURRENTS AT THE BEACHES OF SOUTH
PADRE ISLAND AND AT BOCA CHICA BEACH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

A MODERATE RISK OF RIP CURRENTS IS POSSIBLE AT THE LOCAL BEACHES
SUNDAY AND MONDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN 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-
413 AM CDT SAT JUN 30 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE GULF OF MEXICO AND THE
LAGUNA MADRE.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED.

TOMASELLI

In the hours before

Special weather statement, Jun 30, 1:07 PM CDT, 3 hours 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
107 PM CDT SAT JUN 30 2012

TXZ253>257-301800-
HIDALGO-INLAND CAMERON-INLAND WILLACY-COASTAL WILLACY-COASTAL
CAMERON-
107 PM CDT SAT JUN 30 2012

...THUNDERSTORMS WITH VERY STRONG GUSTY WINDS WILL AFFECT WILLACY...
HIDALGO AND CAMERON COUNTIES...

A LINE OF SHOWERS AND THUNDERSTORMS...MOVING SOUTH AT 20 MPH AND
PRECEDED BY AN OUTFLOW BOUNDARY...WILL AFFECT HARLINGEN VALLEY
AIRPORT...HARLINGEN...SAN BENITO...WESLACO...MCALLEN AND BROWNSVILLE
UNTIL 145 PM CDT. GUSTY WINDS UP TO 50 MPH WILL OCCUR PRIMARILY JUST
AHEAD OF THE THUNDERSTORM LINE. FREQUENT CLOUD TO GROUND LIGHTNING
AND BRIEF HEAVY DOWNPOURS WILL BE POSSIBLE. IF CAUGHT OUTSIDE...
CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS.

54

Special weather statement, Jun 30, 1:08 PM CDT, 3 hours 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
108 PM CDT SAT JUN 30 2012

TXZ253>257-301845-
HIDALGO-INLAND CAMERON-INLAND WILLACY-COASTAL WILLACY-COASTAL
CAMERON-
108 PM CDT SAT JUN 30 2012

...THUNDERSTORMS WITH VERY STRONG GUSTY WINDS WILL AFFECT WILLACY...
HIDALGO AND CAMERON COUNTIES...

A LINE OF SHOWERS AND THUNDERSTORMS...MOVING SOUTH AT 20 MPH AND
PRECEDED BY AN OUTFLOW BOUNDARY...WILL AFFECT HARLINGEN VALLEY
AIRPORT...HARLINGEN...SAN BENITO...WESLACO...MCALLEN AND BROWNSVILLE
UNTIL 145 PM CDT. GUSTY WINDS UP TO 50 MPH WILL OCCUR PRIMARILY JUST
AHEAD OF THE THUNDERSTORM LINE. FREQUENT CLOUD TO GROUND LIGHTNING
AND BRIEF HEAVY DOWNPOURS WILL BE POSSIBLE. IF CAUGHT OUTSIDE...
CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS.

54

Special weather statement, Jun 30, 1:54 PM CDT, 2 hours 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
154 PM CDT SAT JUN 30 2012

TXZ253-301930-
HIDALGO-
154 PM CDT SAT JUN 30 2012

...THUNDERSTORMS WITH STRONG GUSTY WINDS WILL AFFECT HIDALGO
COUNTY...

SHOWERS AND THUNDERSTORMS ARE DEVELOPING OVER SOUTHERN HIDALGO
COUNTY...AND WILL AFFECT MCALLEN AND WESLACO UNTIL 230 PM CDT. GUSTY
WINDS UP TO 50 MPH MAY OCCUR. FREQUENT CLOUD TO GROUND LIGHTNING AND
BRIEF HEAVY DOWNPOURS WILL BE POSSIBLE. ISOLATED STORMS MAY BECOME
STRONG TO MARGINALLY SEVERE. IF CAUGHT OUTSIDE... CROUCH DOWN IN A
LOW SPOT...AWAY FROM TALL OBJECTS.

54

Special weather statement, Jun 30, 2:18 PM CDT, 2 hours 19 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
218 PM CDT SAT JUN 30 2012

TXZ248-302000-
ZAPATA-
218 PM CDT SAT JUN 30 2012

...SIGNIFICANT WEATHER ADVISORY FOR ZAPATA COUNTY...

AT 217 PM...RADAR INDICATED STRONG THUNDERSTORMS FROM NEAR ZAPATA TO
JUST SOUTH OF BUSTAMANTE. GUSTY WINDS TO 50 MPH AND BRIEF HEAVY RAIN
CAN BE EXPECTED WITH THIS STORM. CLOUD TO GROUND LIGHTNING WILL ALSO
BE POSSIBLE.

LOCATIONS IMPACTED INCLUDE....ZAPATA...BUSTAMANTE....SIESTA
SHORES...MEDINA...LAS PALMAS AND FALCON LAKE ESTATES...UNTIL 300 PM
CDT.

JGG

Special weather statement, Jun 30, 3:21 PM CDT, 1 hour 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
321 PM CDT SAT JUN 30 2012

TXZ249-252-302100-
JIM HOGG-STARR-
321 PM CDT SAT JUN 30 2012

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN JIM HOGG AND
NORTHWESTERN STARR COUNTY UNTIL 400 PM...

AT 319 PM...RADAR INDICATED STRONG THUNDERSTORMS NEAR
VIBORAS...MOVING SLOWLY NORTHWESTWARD AT ABOUT 10 MPH. VERY HEAVY
RAINFALL...GUSTY WINDS TO 45 MPH...AND CLOUD TO GROUND LIGHTNING CAN
BE EXPECTED WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE VIBORAS...EL SAUZ...AND GUERRA.

JGG

Special weather statement, Jun 30, 3:23 PM CDT, 1 hour 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
323 PM CDT SAT JUN 30 2012

TXZ248-302100-
ZAPATA-
323 PM CDT SAT JUN 30 2012

...SIGNIFICANT WEATHER ADVISORY FOR ZAPATA COUNTY...

AT 322 PM...SPOTTERS REPORTED NICKEL SIZED HAIL IN ZAPATA. GUSTY
WINDS OF 35 MPH AND ADDITIONAL HAIL UP TO AROUND NICKEL SIZE WILL BE
POSSIBLE WITH STRONG THUNDERSTORMS OVER THE AREA.

THE PRIMARY THREAT WITH THESE STORMS IS VERY HEAVY RAIN...AND A
FLASH FLOOD WARNING IS IN EFFECT FOR THE ZAPATA AREA UNTIL 430 PM.

JGG

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 29, 10:00 PM CDT	Small Craft Advisory for Winds	BRO		6 hr
Jun 30, 11:48 AM CDT	Special Marine Warning	BRO		57 min
Jun 30, 12:42 PM CDT	Special Marine Warning	BRO		48 min
Jun 30, 2:09 PM CDT	Areal Flood Advisory	BRO	Cameron	66 min
Jun 30, 2:26 PM CDT	Areal Flood Advisory	BRO	Cameron, Hidalgo	94 min
Jun 30, 2:50 PM CDT	Flash Flood Warning	BRO	Zapata	100 min
Jun 30, 3:51 PM CDT	Areal Flood Advisory	BRO	Cameron	84 min
Jun 30, 3:54 PM CDT	Severe Thunderstorm Warning	BRO	Zapata	22 min
Jun 30, 4:22 PM CDT	Areal Flood Advisory	BRO	Starr, Zapata	113 min
Jun 30, 5:03 PM CDT	Flash Flood Warning	BRO	Starr, Zapata	87 min
Jun 30, 5:40 PM CDT	Flash Flood Warning	BRO	Zapata	110 min
Jun 30, 6:26 PM CDT	Flash Flood Warning	BRO	Starr, Zapata	2 hr

Nearby

Flash Flood Warnings in Texas, 2012 Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.