302  
WTUS84 KBRO 220630  
HLSBRO  
TXZ248>255-351-353>355-451-454-455-221430-  
 
TROPICAL STORM HAROLD LOCAL STATEMENT INTERMEDIATE ADVISORY NUMBER 3A  
NATIONAL WEATHER SERVICE BROWNSVILLE TX AL092023  
130 AM CDT TUE AUG 22 2023  
 
THIS PRODUCT COVERS THE RIO GRANDE VALLEY AND DEEP SOUTH TEXAS  
 
**TROPICAL DEPRESSION 9 UPGRADED TO TROPICAL STORM HAROLD...HEAVY  
RAIN SHOWERS APPROACHING LOWER TEXAS COAST**  
 
NEW INFORMATION  
---------------  
 
* CHANGES TO WATCHES AND WARNINGS:  
- NONE  
 
* CURRENT WATCHES AND WARNINGS:  
- A TROPICAL STORM WARNING IS IN EFFECT FOR BROOKS, CAMERON  
ISLAND, COASTAL CAMERON, COASTAL KENEDY, COASTAL WILLACY,  
INLAND KENEDY, INLAND WILLACY, KENEDY ISLAND, NORTHERN HIDALGO,  
AND WILLACY ISLAND  
 
* STORM INFORMATION:  
- ABOUT 170 MILES EAST OF SOUTH PADRE ISLAND TX OR ABOUT 190  
MILES EAST-SOUTHEAST OF PORT MANSFIELD TX  
- 25.8N 94.4W  
- STORM INTENSITY 45 MPH  
- MOVEMENT WEST-NORTHWEST OR 285 DEGREES AT 18 MPH  
 
SITUATION OVERVIEW  
------------------  
 
AT 100 AM CDT, TROPICAL DEPRESSION 9 WAS UPGRADED TO TROPICAL STORM  
HAROLD. HAROLD CONTINUES TO MOVE STEADILY WEST-NORTHWEST TOWARDS THE  
LOWER TEXAS COAST. THE TROPICAL STORM IS STILL ON TRACK TO APPROACH THE  
LOWER TEXAS COAST MID-MORNING TUESDAY WITH SOME ADDITIONAL OPPORTUNITY  
FOR STRENGTHENING BEFORE MAKING LANDFALL. TROPICAL STORM CONDITIONS  
ARE LIKELY ACROSS THE ISLANDS, COASTAL CAMERON AND INTO WILLACY, KENEDY  
COUNTIES TUESDAY MORNING AND ARE POSSIBLE ACROSS BROOKS AND PORTIONS  
OF NORTHERN HIDALGO COUNTIES TUESDAY. HEAVY RAINFALL AND GUSTY WINDS  
WILL ALSO BE INCREASING IN COVERAGE AND INTENSITY TOWARDS MORNING AS  
RAIN BANDS APPROACH THE LOWER COAST. ISOLATED TORNADOES, ESPECIALLY  
NORTH OF WHERE THE CENTER OF THE DEPRESSION CROSSES THE COAST ARE  
POSSIBLE. MINOR COASTAL FLOODING OR RUN-UP TO THE DUNES IS POSSIBLE,  
ESPECIALLY AROUND HIGH TIDE AT 5:38 AM TUESDAY.  
 
POTENTIAL IMPACTS  
-----------------  
 
* FLOODING RAIN:  
PROTECT AGAINST DANGEROUS RAINFALL FLOODING HAVING POSSIBLE  
SIGNIFICANT IMPACTS ACROSS THE RIO GRANDE VALLEY AND DEEP SOUTH  
TEXAS. POTENTIAL IMPACTS INCLUDE:  
- MODERATE RAINFALL FLOODING MAY PROMPT SEVERAL EVACUATIONS AND  
RESCUES.  
- ARROYOS AND LARGER CREEKS MAY QUICKLY BECOME SWOLLEN WITH SWIFT  
CURRENTS AND OVERSPILL THEIR BANKS IN A FEW PLACES, ESPECIALLY  
IN USUALLY VULNERABLE SPOTS. SMALL STREAMS, CREEKS, CANALS, AND  
DITCHES OVERFLOW.  
- FLOOD WATERS CAN ENTER SOME STRUCTURES OR WEAKEN FOUNDATIONS.  
SEVERAL PLACES MAY EXPERIENCE EXPANDED AREAS OF RAPID  
INUNDATION AT UNDERPASSES, LOW-LYING SPOTS, AND POOR DRAINAGE  
AREAS. SOME STREETS AND PARKING LOTS TAKE ON MOVING WATER AS  
STORM DRAINS AND RETENTION PONDS OVERFLOW. DRIVING CONDITIONS  
BECOME HAZARDOUS. SOME ROAD AND BRIDGE CLOSURES.  
 
* WIND:  
PROTECT AGAINST HAZARDOUS WIND HAVING POSSIBLE LIMITED IMPACTS ACROSS  
ALL COASTAL ZONES INTO INLAND WILLACY AND INLAND KENEDY COUNTIES.  
POTENTIAL IMPACTS IN THIS AREA INCLUDE:  
- DAMAGE TO PORCHES, AWNINGS, CARPORTS, SHEDS, AND UNANCHORED  
MOBILE HOMES. UNSECURED LIGHTWEIGHT OBJECTS BLOWN ABOUT.  
- MANY LARGE TREE LIMBS BROKEN OFF. A FEW TREES SNAPPED OR  
UPROOTED, BUT WITH GREATER NUMBERS IN PLACES WHERE TREES ARE  
SHALLOW ROOTED. SOME FENCES AND ROADWAY SIGNS BLOWN OVER.  
- A FEW ROADS IMPASSABLE FROM DEBRIS, PARTICULARLY WITHIN URBAN  
OR HEAVILY WOODED PLACES. HAZARDOUS DRIVING CONDITIONS ON  
BRIDGES AND OTHER ELEVATED ROADWAYS.  
- SCATTERED POWER AND COMMUNICATIONS OUTAGES.  
 
ELSEWHERE ACROSS THE RIO GRANDE VALLEY AND DEEP SOUTH TEXAS, LITTLE  
TO NO IMPACT IS ANTICIPATED.  
 
* TORNADOES:  
PROTECT AGAINST A TORNADO EVENT HAVING POSSIBLE LIMITED IMPACTS  
ACROSS THE NORTHERN RANCHLANDS. POTENTIAL IMPACTS INCLUDE:  
- THE OCCURRENCE OF ISOLATED TORNADOES CAN HINDER THE EXECUTION  
OF EMERGENCY PLANS DURING TROPICAL EVENTS.  
- A FEW PLACES MAY EXPERIENCE TORNADO DAMAGE, ALONG WITH POWER  
AND COMMUNICATIONS DISRUPTIONS.  
- LOCATIONS COULD REALIZE ROOFS PEELED OFF BUILDINGS, CHIMNEYS  
TOPPLED, MOBILE HOMES PUSHED OFF FOUNDATIONS OR OVERTURNED,  
LARGE TREE TOPS AND BRANCHES SNAPPED OFF, SHALLOW-ROOTED TREES  
KNOCKED OVER, MOVING VEHICLES BLOWN OFF ROADS, AND SMALL BOATS  
PULLED FROM MOORINGS.  
 
ELSEWHERE ACROSS THE RIO GRANDE VALLEY AND DEEP SOUTH TEXAS, LITTLE  
TO NO IMPACT IS ANTICIPATED.  
 
* SURGE:  
PROTECT AGAINST LOCALLY HAZARDOUS SURGE HAVING POSSIBLE LIMITED  
IMPACTS ACROSS THE LOWER TEXAS COAST. POTENTIAL IMPACTS IN THIS AREA  
INCLUDE:  
- LOCALIZED INUNDATION WITH STORM SURGE FLOODING MAINLY ALONG  
IMMEDIATE SHORELINES AND IN LOW-LYING SPOTS, OR IN AREAS  
FARTHER INLAND NEAR WHERE HIGHER SURGE WATERS MOVE ASHORE.  
- SECTIONS OF NEAR-SHORE ROADS AND EXPOSED PARKING LOTS COULD  
BECOME COVERED WITH SOME SURGE WATER. DRIVING CONDITIONS  
DANGEROUS IN PLACES WHERE SURGE WATER COVERS THE ROAD.  
- MODERATE BEACH EROSION. HEAVY SURF ALSO BREACHING DUNES, MAINLY  
IN USUALLY VULNERABLE LOCATIONS. STRONG RIP CURRENTS.  
- MINOR DAMAGE TO MARINAS, DOCKS, BOARDWALKS, AND PIERS. A FEW  
SMALL CRAFT BROKEN AWAY FROM MOORINGS.  
 
ELSEWHERE ACROSS THE RIO GRANDE VALLEY AND DEEP SOUTH TEXAS, LITTLE  
TO NO IMPACT IS ANTICIPATED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS  
----------------------------------  
 
* OTHER PREPAREDNESS INFORMATION:  
 
KEEP CELL PHONES WELL CHARGED. CELL PHONE CHARGERS FOR AUTOMOBILES  
CAN BE HELPFUL, BUT BE AWARE OF YOUR RISK FOR DEADLY CARBON MONOXIDE  
POISONING IF YOUR CAR IS LEFT IDLING IN A GARAGE OR OTHER POORLY  
VENTILATED AREA.  
 
RAPIDLY RISING FLOOD WATERS ARE DEADLY. IF YOU ARE IN A FLOOD-PRONE  
AREA, CONSIDER MOVING TO HIGHER GROUND. NEVER DRIVE THROUGH A FLOODED  
ROADWAY. REMEMBER, TURN AROUND DON'T DROWN!  
 
CLOSELY MONITOR WEATHER.GOV, NOAA WEATHER RADIO OR LOCAL NEWS OUTLETS  
FOR OFFICIAL STORM INFORMATION. BE READY TO ADAPT TO POSSIBLE CHANGES  
TO THE FORECAST. ENSURE YOU HAVE MULTIPLE WAYS TO RECEIVE WEATHER  
WARNINGS.  
 
* ADDITIONAL SOURCES OF INFORMATION:  
- FOR INFORMATION ON APPROPRIATE PREPARATIONS SEE READY.GOV  
- FOR INFORMATION ON CREATING AN EMERGENCY PLAN SEE GETAGAMEPLAN.ORG  
- FOR ADDITIONAL DISASTER PREPAREDNESS INFORMATION SEE REDCROSS.ORG  
 
NEXT UPDATE  
-----------  
 
THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER  
SERVICE IN BROWNSVILLE TX AROUND 415 AM CDT, OR SOONER IF CONDITIONS  
WARRANT.  
 

 
 
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