Severe Thunderstorm Warning 36, NWS Brownsville, TX

000 
WWUS54 KBRO 162356
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
654 PM CDT SAT JUN 16 2007

TXC247-505-170015-
/O.CON.KBRO.SV.W.0036.000000T0000Z-070617T0015Z/
JIM HOGG TX-ZAPATA TX-
654 PM CDT SAT JUN 16 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTHEASTERN ZAPATA AND WEST CENTRAL JIM HOGG COUNTIES...

AT 647 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS 
LOCATED 14 MILES NORTH OF ESCOBA AND 15 MILES NORTHWEST OF RANDADO. 
THIS STORM WAS MOVING SOUTH TO SOUTHEAST BETWEEN 5 AND 10 MPH.

LAT...LON 2738 9895 2727 9922 2693 9910 2708 9876

$$

GB

000 
WWUS54 KBRO 170004
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
703 PM CDT SAT JUN 16 2007

TXC505-170013-
/O.CAN.KBRO.SV.W.0036.000000T0000Z-070617T0015Z/
ZAPATA TX-
703 PM CDT SAT JUN 16 2007

...THE SEVERE THUNDERSTORM WARNING FOR ZAPATA COUNTY IS CANCELLED...

THE CORE OF THE SEVERE THUNDERSTORM HAS CROSSED INTO JIM HOGG COUNTY.

LAT...LON 2726 9879 2727 9896 2694 9895 2708 9876

$$

TXC247-170015-
/O.CON.KBRO.SV.W.0036.000000T0000Z-070617T0015Z/
JIM HOGG TX-
703 PM CDT SAT JUN 16 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR WEST CENTRAL JIM HOGG COUNTY...

AT 659 PM CDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. 
THIS STORM WAS LOCATED 10 MILES NORTHWEST OF RANDADO...OR ABOUT 19 
MILES SOUTH OF MIRANDO CITY. THIS STORM WAS MOVING SOUTH TO 
SOUTHEAST BETWEEN 5 AND 10 MPH. 

LAT...LON 2726 9879 2727 9896 2694 9895 2708 9876

$$

GB

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
325 PM CDT SAT JUN 16 2007

.UPDATE DISCUSSION...ADDED LOW POPS ACROSS THE WESTERN ZONES FOR
THE EARLY EVENING. SHOWERS AND A FEW THUNDERSTORMS DEVELOPING OVER
WEBB COUNTY AND ACROSS THE RIVER ARE SHOWING A SOUTHEAST MOVEMENT.
WILL MONITOR FOR AN INCREASE IN COVERAGE AS LIFTED INDICES AND
CAPES ARE HIGHEST OUT WEST. ALSO...WATER VAPOR LOOP INDICATES A
WEAK SHORTWAVE ON THE SOUTHWEST SIDE OF THE UPPER LOW THAT IS
ROTATING OVER NORTH CENTRAL TEXAS. THIS SHORTWAVE SHOULD PASS OVER
THE NORTHWEST CORNER OF THE CWA POSSIBLY INCREASING CONVECTION
ACROSS PORTIONS OF THE CWA THIS EVENING. A UPDATE MIGHT BE NEEDED
TO SPREAD SOME ACTIVITY INTO CENTRAL AND POSSIBLY EASTERN ZONES.

&&

.PREV DISCUSSION...ISSUED 145 PM CDT SAT JUN 16 2007...HIGH
PRESSURE BOTH AT THE SURFACE AND ALOFT WILL CONTINUE DOMINATING
DEEP SOUTH TEXAS THROUGH MONDAY OF NEXT WEEK. BOUNDARY LAYER
RELATIVE HUMIDITIES ARE BELOW 50 PERCENT IN THE MID AND UPPER
LEVELS THROUGH THE BEGINNING OF NEXT WEEK. TEMPERATURES WILL BE
NEAR TO ABOVE NORMAL FOR THIS TIME OF YEAR. WINDS WILL BE LIGHT TO
MODERATE FROM THE SOUTHEAST THROUGH THE WEEKEND. BRO SOUNDING THIS
MORNING SHOWED A PRECIP WATER OF 1.70 AND A K-INDEX OF 30. AN
UPPER LEVEL TROUGH OF LOW PRESSURE IS EXPECTED TO BE ON THE DEEP
SOUTH TEXAS COASTLINE BY THE MIDDLE OF NEXT WEEK INCREASING THE
CHANCES FOR SHOWERS OR THUNDERSTORMS AT THAT TIME. THE BOUNDARY
LATER RELATIVE HUMIDITIES INCREASE RAPIDLY TO ABOVE 70 PERCENT ALL
THE WAY UP TO 300 MB BY TUESDAY OF NEXT WEEK.

MARINE...BUOY 42020 REPORTED SOUTH-SOUTHEAST WINDS NEAR 12 KNOTS
GUSTING TO NEAR 14 KNOTS WITH SEAS SLIGHTLY UNDER 3.5 FEET WITH A
PERIOD OF 5 SECONDS AT 12 CDT/17 UTC. SURFACE HIGH PRESSURE WILL
REMAIN THE DOMINANT FEATURE OVER THE GULF OF MEXICO THROUGH THE
FORECAST PERIOD. THIS PATTERN WILL PRODUCE MODERATE WINDS AND SEAS
ALONG THE LOWER TEXAS COAST TODAY THROUGH THE MIDDLE OF THE COMING
WEEK.

AVIATION...LIGHT TO MODERATE WINDS AND CLEAR TO PARTLY CLOUDY SKIES
WILL PREVAIL OVER DEEP SOUTH TEXAS THROUGH THE NEXT 24 HOURS.

&&

.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL  79  93  80  94 /   0   0   0   0
BROWNSVILLE          78  94  79  95 /   0   0   0   0
HARLINGEN            76  96  77  98 /   0   0   0   0
MCALLEN              78  97  78  99 /   0   0   0   0
RIO GRANDE CITY      79  98  79 100 /  10   0   0   0
SOUTH PADRE ISLAND   81  91  81  92 /   0   0   0   0

&&

.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

59/63

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
930 AM CDT SAT JUN 16 2007

TXZ248>257-171100-
ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
930 AM CDT SAT JUN 16 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A MODERATE RISK OF RIP CURRENTS AT THE BEACHES OF SOUTH
PADRE ISLAND AND BOCA CHICA. NO OTHER HAZARDOUS WEATHER IS EXPECTED
AT THIS TIME.

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

THE MODERATE RISK OF RIP CURRENTS WILL CONTINUE AT THE LOCAL BEACHES
THROUGH THE MIDDLE OF THE WEEK. ISOLATED SHOWERS AND THUNDERSTORMS
MAY DEVELOP DURING THE LATE MORNING AND AFTERNOON HOURS DURING THE
SECOND HALF OF THE COMING WEEK...CAUSING TEMPORARY PONDING OF WATER
ON ROADS. NO OTHER HAZARDOUS WEATHER IS ANTICIPATED THROUGH THE
PERIOD.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION IS NOT EXPECTED.

TOMASELLI