566  
FNUS54 KHGX 202039  
FWFHGX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
339 PM CDT MON AUG 20 2018  
   
DISCUSSION
 
 
A VICINITY NEAR STATIONARY COOL FRONT LAYING ACROSS THE REGION MAY BE  
THE FOCUS FOR MORE WIDESPREAD TUESDAY AND WEDNESDAY DAYTIME SHOWERS  
AND THUNDERSTORMS. MID TO LATE WEEK UPPER RIDGING EXPANDING OVER  
THE STATE WILL SHUT OFF ANY PRECIPITATION CHANCES AND DRIVE AFTERNOON  
TEMPERATURES UP IN THE AVERAGE UPPER 90S.  
 
TXZ163-164-211545-  
HOUSTON-TRINITY-  
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY  
339 PM CDT MON AUG 20 2018  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR  
PRECIP TYPE TSTMS NONE NONE NONE  
CHANCE PRECIP (PCT) 30 0 0 0  
TEMP (24H TREND) 75 (-3) 97 (+2) 70 97  
RH (24H TREND) 94 (+2) 34 (-10) 87 33  
20 FT WIND (MPH) LGT/VAR W 4 LGT/VAR NE 3  
MAX/MIN MIX HGT(M-AGL) 37 2623 56 2268  
MAX/MIN MIX HGT(FT-AGL) 122 8605 185 7442  
TRANSPORT WND (KTS) S 5 NW 10 NE 4 NE 9  
TRANSPORT WND (M/S) S 3 NW 5 NE 2 NE 5  
VENT RATE (M2/S) 111 13115 112 11340  
CATEGORY DAY 4 4  
SUNSHINE HOURS 10 11  
LIGHTNING ACTIVITY LVL 2 1 1 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...LOW.  
 

 
 
TXZ176-195>198-211545-  
BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON-  
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,  
COLLEGE STATION, MADISONVILLE, NAVASOTA, AND SOMERVILLE  
339 PM CDT MON AUG 20 2018  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (PCT) 30 20 0 0  
TEMP (24H TREND) 77 (-1) 98 (+1) 74 100  
RH (24H TREND) 94 (+3) 39 (0) 87 31  
20 FT WIND (MPH) SW 6 W 4 LGT/VAR LGT/VAR  
MAX/MIN MIX HGT(M-AGL) 29 2886 12 2847  
MAX/MIN MIX HGT(FT-AGL) 94 9467 39 9340  
TRANSPORT WND (KTS) S 8 NW 6 W 3 NE 8  
TRANSPORT WND (M/S) S 4 NW 3 W 2 NE 4  
VENT RATE (M2/S) 116 8658 24 11388  
CATEGORY DAY 4 4  
SUNSHINE HOURS 8 11  
LIGHTNING ACTIVITY LVL 2 1 1 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...LOW.  
 

 
 
TXZ177>179-199-200-211545-  
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-WALKER-  
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,  
DAYTON, HUNTSVILLE, LIBERTY, LIVINGSTON, SHEPHERD,  
AND THE WOODLANDS  
339 PM CDT MON AUG 20 2018  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (PCT) 30 20 0 0  
TEMP (24H TREND) 76 (-1) 96 (+1) 72 98  
RH (24H TREND) 97 (+3) 44 (-2) 91 35  
20 FT WIND (MPH) SW 4 W 5 LGT/VAR N 4  
MAX/MIN MIX HGT(M-AGL) 30 2487 54 2505  
MAX/MIN MIX HGT(FT-AGL) 97 8158 176 8218  
TRANSPORT WND (KTS) S 8 NW 7 NW 3 N 9  
TRANSPORT WND (M/S) S 4 NW 4 NW 2 N 5  
VENT RATE (M2/S) 120 9948 108 12525  
CATEGORY DAY 4 4  
SUNSHINE HOURS 8 11  
LIGHTNING ACTIVITY LVL 2 2 1 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...LOW.  
 

 
 
TXZ210>213-226-227-235-211545-  
AUSTIN-COLORADO-FORT BEND-INLAND HARRIS-INLAND JACKSON-WALLER-  
WHARTON-  
INCLUDING THE CITIES OF BELLVILLE, BROOKSHIRE, COLUMBUS,  
EAGLE LAKE, EDNA, EL CAMPO, FIRST COLONY, GANADO, HEMPSTEAD,  
HOUSTON, MISSION BEND, MISSOURI CITY, PECAN GROVE, PRAIRIE VIEW,  
ROSENBERG, SEALY, SUGAR LAND, WALLER, WEIMAR, AND WHARTON  
339 PM CDT MON AUG 20 2018  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS TSTMS NONE NONE  
CHANCE PRECIP (PCT) 20 30 0 0  
TEMP (24H TREND) 77 (-1) 97 (+1) 76 99  
RH (24H TREND) 96 (+1) 42 (-1) 96 36  
20 FT WIND (MPH) SW 5 SW 5 LGT/VAR W 4  
MAX/MIN MIX HGT(M-AGL) 70 2605 59 2915  
MAX/MIN MIX HGT(FT-AGL) 229 8546 192 9565  
TRANSPORT WND (KTS) SW 6 W 3 S 7 N 7  
TRANSPORT WND (M/S) SW 3 W 2 S 4 N 4  
VENT RATE (M2/S) 210 5210 236 11660  
CATEGORY DAY 3 4  
SUNSHINE HOURS 7 10  
LIGHTNING ACTIVITY LVL 2 2 1 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...LOW.  
 

 
 
TXZ214-236>238-300-313-335>338-436>438-211545-  
BRAZORIA ISLANDS-CHAMBERS-COASTAL BRAZORIA-COASTAL GALVESTON-  
COASTAL HARRIS-COASTAL JACKSON-COASTAL MATAGORDA-  
GALVESTON ISLAND AND BOLIVAR PENINSULA-INLAND BRAZORIA-  
INLAND GALVESTON-INLAND MATAGORDA-MATAGORDA ISLANDS-  
SOUTHERN LIBERTY-  
INCLUDING THE CITIES OF ALVIN, ANAHUAC, ANGLETON, BAY CITY,  
BAYTOWN, CLUTE, DEVERS, DICKINSON, FREEPORT, FRIENDSWOOD,  
GALVESTON, LA MARQUE, LAKE JACKSON, LEAGUE CITY, MONT BELVIEU,  
OLD RIVER-WINFREE, PALACIOS, PASADENA, PEARLAND, STOWELL,  
SURFSIDE BEACH, TEXAS CITY, AND WINNIE  
339 PM CDT MON AUG 20 2018  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (PCT) 10 20 20 20  
TEMP (24H TREND) 78 (-1) 95 (+2) 77 97  
RH (24H TREND) 96 (+5) 51 (-4) 96 45  
20 FT WIND (MPH) SW 7 SW 6 SW 6 W 4  
MAX/MIN MIX HGT(M-AGL) 68 1877 59 2393  
MAX/MIN MIX HGT(FT-AGL) 222 6157 193 7851  
TRANSPORT WND (KTS) S 9 W 4 W 5 N 6  
TRANSPORT WND (M/S) S 5 W 2 W 3 N 3  
VENT RATE (M2/S) 340 3754 177 7179  
CATEGORY DAY 2 3  
SUNSHINE HOURS 7 10  
LIGHTNING ACTIVITY LVL 1 2 2 2  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...LOW.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 70S. EAST WINDS  
AROUND 5 MPH SHIFTING TO THE SOUTH LATE IN THE EVENING.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 90S. SOUTHEAST WINDS UP TO  
5 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTH WINDS  
5 TO 10 MPH.    
FRIDAY
 
SUNNY. HIGHS IN THE UPPER 90S. SOUTH WINDS 5 TO 10 MPH.   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTH WINDS  
5 TO 10 MPH.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 90S. SOUTHEAST WINDS 5 TO 10 MPH.   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 70S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 90S. SOUTHEAST WINDS 5 TO 10 MPH.   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 70S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 90S. SOUTHEAST WINDS 5 TO 10 MPH.  
   
..NOTES
 
 
1. IN THE TABULAR FORECAST SECTIONS ABOVE, 'MAX/MIN MIX HGT' IS  
MAXIMUM MIXING HEIGHT VALUE DURING THE DAY AND MINIMUM VALUE AT NIGHT  
2. IN THE EXTENDED FORECAST, WIND SPEEDS REPRESENT THE DAYTIME PERIODS ONLY  
 

 
 
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