535  
FNUS54 KHGX 212028  
FWFHGX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
328 PM CDT THU OCT 21 2021  
   
DISCUSSION
 
 
ANOTHER EVENING OF LIGHT WINDS AND FAVORABLE MOISTURE AVAILABILITY  
WILL ALLOW FOR THE DEVELOPMENT OF FOG ACROSS THE AREA OVERNIGHT  
AND INTO TOMORROW MORNING. FOG COULD BECOME DENSE AT TIMES,  
PARTICULARLY ALONG AND SOUTH OF THE I-10 CORRIDOR. A MORE  
PERSISTENT ONSHORE WIND WILL DEVELOP TOMORROW AND INTO THE  
WEEKEND, WHICH WILL ALLOW FOR MOISTURE TO REMAIN STRONG  
AND PRECIPITATION CHANCES TO INCREASE HEADING INTO THE  
UPCOMING WEEKEND.  
 
TXZ163-164-177>179-221530-  
HOUSTON-POLK-SAN JACINTO-TRINITY-WALKER-  
INCLUDING THE CITIES OF COLDSPRING, CORRIGAN, CROCKETT, GROVETON,  
HUNTSVILLE, LIVINGSTON, SHEPHERD, AND TRINITY  
328 PM CDT THU OCT 21 2021  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (PCT) 0 0 0 30  
TEMP (24H TREND) 64 (-2) 86 (-2) 65 86  
RH (24H TREND) 83 (-17) 46 (-2) 100 55  
20 FT WIND (MPH) LGT/VAR E 4 S 4 S 6  
MAX/MIN MIX HGT(M-AGL) 85 1509 37 1367  
MAX/MIN MIX HGT(FT-AGL) 280 4951 122 4486  
TRANSPORT WND (KTS) NE 5 S 3 SE 5 S 11  
TRANSPORT WND (M/S) NE 3 S 2 SE 3 S 6  
VENT RATE (M2/S) 220 2334 96 7753  
CATEGORY DAY 2 3  
SUNSHINE HOURS 8 6  
LIGHTNING ACTIVITY LVL 1 1 1 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...HIGH.  
 

 
 
TXZ176-195>198-221530-  
BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON-  
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,  
COLLEGE STATION, MADISONVILLE, NAVASOTA, AND SOMERVILLE  
328 PM CDT THU OCT 21 2021  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (PCT) 0 0 0 30  
TEMP (24H TREND) 64 (-2) 85 (-2) 65 85  
RH (24H TREND) 87 (-13) 52 (+1) 100 59  
20 FT WIND (MPH) LGT/VAR E 4 S 6 S 8  
MAX/MIN MIX HGT(M-AGL) 73 1476 26 1259  
MAX/MIN MIX HGT(FT-AGL) 240 4844 85 4132  
TRANSPORT WND (KTS) NE 4 SE 4 SE 6 S 12  
TRANSPORT WND (M/S) NE 2 SE 2 SE 3 S 6  
VENT RATE (M2/S) 151 3044 80 7790  
CATEGORY DAY 2 3  
SUNSHINE HOURS 7 6  
LIGHTNING ACTIVITY LVL 1 1 1 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...HIGH.  
 

 
 
TXZ199-200-213-221530-  
INLAND HARRIS-MONTGOMERY-NORTHERN LIBERTY-  
INCLUDING THE CITIES OF CLEVELAND, CONROE, DAYTON, HOUSTON,  
LIBERTY, AND THE WOODLANDS  
328 PM CDT THU OCT 21 2021  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (PCT) 0 10 10 30  
TEMP (24H TREND) 67 (-1) 86 (-2) 66 85  
RH (24H TREND) 97 (-3) 55 (+2) 100 60  
20 FT WIND (MPH) LGT/VAR NE 4 SE 4 SE 7  
MAX/MIN MIX HGT(M-AGL) 83 1340 55 1301  
MAX/MIN MIX HGT(FT-AGL) 272 4396 180 4269  
TRANSPORT WND (KTS) SW 3 SE 4 SE 7 S 12  
TRANSPORT WND (M/S) SW 2 SE 2 SE 4 S 6  
VENT RATE (M2/S) 128 2763 198 8049  
CATEGORY DAY 2 4  
SUNSHINE HOURS 7 6  
LIGHTNING ACTIVITY LVL 1 1 1 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...HIGH.  
 

 
 
TXZ210-226-235-236-221530-  
COLORADO-INLAND JACKSON-INLAND MATAGORDA-WHARTON-  
INCLUDING THE CITIES OF BAY CITY, COLUMBUS, EAGLE LAKE, EDNA,  
EL CAMPO, GANADO, WEIMAR, AND WHARTON  
328 PM CDT THU OCT 21 2021  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE TSTMS TSTMS TSTMS  
CHANCE PRECIP (PCT) 0 20 10 30  
TEMP (24H TREND) 67 (0) 86 (-1) 68 86  
RH (24H TREND) 100 (0) 57 (+3) 100 61  
20 FT WIND (MPH) LGT/VAR NE 5 SE 4 SE 9  
MAX/MIN MIX HGT(M-AGL) 65 1337 91 1376  
MAX/MIN MIX HGT(FT-AGL) 213 4388 297 4515  
TRANSPORT WND (KTS) W 2 SE 4 SE 8 S 13  
TRANSPORT WND (M/S) W 1 SE 2 SE 4 S 7  
VENT RATE (M2/S) 67 2758 373 9222  
CATEGORY DAY 2 4  
SUNSHINE HOURS 7 6  
LIGHTNING ACTIVITY LVL 1 1 1 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...HIGH.  
 

 
 
TXZ211-212-227-237-238-221530-  
AUSTIN-FORT BEND-INLAND BRAZORIA-INLAND GALVESTON-WALLER-  
INCLUDING THE CITIES OF ALVIN, ANGLETON, BELLVILLE, BROOKSHIRE,  
FIRST COLONY, FRIENDSWOOD, HEMPSTEAD, LEAGUE CITY, MISSION BEND,  
MISSOURI CITY, PEARLAND, PECAN GROVE, PRAIRIE VIEW, ROSENBERG,  
SEALY, SUGAR LAND, AND WALLER  
328 PM CDT THU OCT 21 2021  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE TSTMS TSTMS  
CHANCE PRECIP (PCT) 0 10 10 30  
TEMP (24H TREND) 67 (0) 86 (-1) 68 86  
RH (24H TREND) 99 (-1) 57 (+2) 100 61  
20 FT WIND (MPH) LGT/VAR NE 5 SE 4 SE 7  
MAX/MIN MIX HGT(M-AGL) 72 1266 56 1219  
MAX/MIN MIX HGT(FT-AGL) 236 4153 184 4000  
TRANSPORT WND (KTS) S 3 SE 5 SE 7 S 13  
TRANSPORT WND (M/S) S 2 SE 3 SE 4 S 7  
VENT RATE (M2/S) 111 3262 202 8170  
CATEGORY DAY 2 4  
SUNSHINE HOURS 7 6  
LIGHTNING ACTIVITY LVL 1 1 1 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...HIGH.  
 

 
 
TXZ214-300-313-338-438-439-221530-  
BOLIVAR PENINSULA-CHAMBERS-COASTAL GALVESTON-COASTAL HARRIS-  
GALVESTON ISLAND-SOUTHERN LIBERTY-  
INCLUDING THE CITIES OF ANAHUAC, BAYTOWN, DEVERS, DICKINSON,  
GALVESTON, LA MARQUE, MONT BELVIEU, OLD RIVER-WINFREE, PASADENA,  
STOWELL, TEXAS CITY, AND WINNIE  
328 PM CDT THU OCT 21 2021  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (PCT) 10 10 10 30  
TEMP (24H TREND) 69 (-2) 83 (-2) 69 83  
RH (24H TREND) 100 (0) 63 (0) 100 65  
20 FT WIND (MPH) LGT/VAR NE 5 SE 6 SE 7  
MAX/MIN MIX HGT(M-AGL) 83 1026 26 912  
MAX/MIN MIX HGT(FT-AGL) 271 3366 85 2992  
TRANSPORT WND (KTS) S 4 SE 4 SE 6 SE 11  
TRANSPORT WND (M/S) S 2 SE 2 SE 3 SE 6  
VENT RATE (M2/S) 170 2115 80 5171  
CATEGORY DAY 2 3  
SUNSHINE HOURS 7 6  
LIGHTNING ACTIVITY LVL 1 1 1 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...HIGH.  
 

 
 
TXZ335>337-436-437-221530-  
BRAZORIA ISLANDS-COASTAL BRAZORIA-COASTAL JACKSON-  
COASTAL MATAGORDA-MATAGORDA ISLANDS-  
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON, PALACIOS,  
AND SURFSIDE BEACH  
328 PM CDT THU OCT 21 2021  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE TSTMS TSTMS TSTMS  
CHANCE PRECIP (PCT) 0 20 20 30  
TEMP (24H TREND) 69 (-1) 84 (0) 71 83  
RH (24H TREND) 100 (+1) 66 (+1) 99 68  
20 FT WIND (MPH) E 3 NE 6 SE 7 SE 8  
MAX/MIN MIX HGT(M-AGL) 82 948 87 1021  
MAX/MIN MIX HGT(FT-AGL) 270 3110 287 3350  
TRANSPORT WND (KTS) SE 5 SE 5 SE 9 SE 13  
TRANSPORT WND (M/S) SE 3 SE 3 SE 5 SE 7  
VENT RATE (M2/S) 212 2443 406 6842  
CATEGORY DAY 2 3  
SUNSHINE HOURS 7 6  
LIGHTNING ACTIVITY LVL 1 2 2 1  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HOURS)...HIGH.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 70. SOUTHEAST WINDS  
5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF THUNDERSTORMS AND A  
SLIGHT CHANCE OF SHOWERS. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO  
10 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 70. SOUTH WINDS 5 TO  
10 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS  
AROUND 5 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH WINDS  
UP TO 5 MPH.    
TUESDAY
 
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS AROUND 70. SOUTH WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.   
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS. LOWS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST 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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