463  
FNUS54 KHGX 210822  
FWFHGX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
322 AM CDT TUE MAY 21 2013  
   
DISCUSSION  
 
MODERATE ONSHORE WINDS WILL PREVAIL TODAY. A STRONG UPPER LEVEL  
STORM SYSTEM WILL MOVE ACROSS NORTH TEXAS THIS AFTERNOON AND EVENING.  
THIS FEATURE WILL TRIGGER SCATTERED TO NUMEROUS SHOWERS AND  
THUNDERSTORMS OVER MAINLY THE NORTHERN HALF OF SOUTHEAST TEXAS  
TONIGHT. SOME OF THE STORMS COULD BE SEVERE WITH HIGH WINDS.  
ABOVE NORMAL TEMPERATURES AND DRIER CONDITIONS WILL RETURN  
ON THURSDAY AND LIKELY CONTINUE THROUGH THE WEEKEND.  
 
TXZ163-164-177>179-220330-  
HOUSTON-POLK-SAN JACINTO-TRINITY-WALKER-  
INCLUDING THE CITIES OF...COLDSPRING...CORRIGAN...CROCKETT...  
GROVETON...HUNTSVILLE...LIVINGSTON...ONALASKA...SHEPHERD...  
TRINITY  
322 AM CDT TUE MAY 21 2013  
 
TODAY TONIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (PCT) 20 60 30  
TEMP (24H TREND) 91 (0) 71 (-2) 88  
RH (24H TREND) 50 (+1) 96 (+2) 52  
20 FT WIND (MPH) S 13 G22 S 6 LGT/VAR  
MAX/MIN MIX HGT(M-AGL) 2104 260 1514  
MAX/MIN MIX HGT(FT-AGL) 6903 854 4966  
TRANSPORT WND (KTS) SW 21 SW 11 SW 4  
TRANSPORT WND (M/S) SW 11 SW 6 SW 2  
VENT RATE (M2/S) 23144 1560 3028  
CATEGORY DAY 5 2  
SUNSHINE HOURS 7 5  
LIGHTNING ACTIVITY LVL 1 3 2  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HRS)...LOW.  
 
 
 
TXZ176-195>198-220330-  
BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON-  
INCLUDING THE CITIES OF...BRENHAM...BRYAN...CALDWELL...  
COLLEGE STATION...LAKE SOMERVILLE...MADISONVILLE...NAVASOTA  
322 AM CDT TUE MAY 21 2013  
 
TODAY TONIGHT WED  
 
CLOUD COVER MCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (PCT) 20 40 20  
TEMP (24H TREND) 91 (0) 73 (0) 89  
RH (24H TREND) 50 (+1) 94 (-2) 51  
20 FT WIND (MPH) S 15 G23 S 6 LGT/VAR  
MAX/MIN MIX HGT(M-AGL) 2142 241 1525  
MAX/MIN MIX HGT(FT-AGL) 7029 790 5004  
TRANSPORT WND (KTS) SW 21 SW 14 SW 5  
TRANSPORT WND (M/S) SW 11 SW 7 SW 3  
VENT RATE (M2/S) 23562 1687 4575  
CATEGORY DAY 5 3  
SUNSHINE HOURS 7 5  
LIGHTNING ACTIVITY LVL 1 3 2  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HRS)...LOW.  
 
 
 
TXZ199-200-213-220330-  
HARRIS-LIBERTY-MONTGOMERY-  
INCLUDING THE CITIES OF...CLEVELAND...CONROE...DAYTON...HOUSTON...  
HUMBLE...KATY...LIBERTY...PASADENA...THE WOODLANDS...TOMBALL...  
WILLIS  
322 AM CDT TUE MAY 21 2013  
 
TODAY TONIGHT WED  
 
CLOUD COVER PCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (PCT) 20 50 40  
TEMP (24H TREND) 91 (+1) 72 (-2) 87  
RH (24H TREND) 53 (0) 99 (+4) 55  
20 FT WIND (MPH) S 13 S 8 S 4  
MAX/MIN MIX HGT(M-AGL) 1822 220 1483  
MAX/MIN MIX HGT(FT-AGL) 5977 723 4864  
TRANSPORT WND (KTS) S 24 SW 12 SW 5  
TRANSPORT WND (M/S) S 12 SW 6 SW 3  
VENT RATE (M2/S) 21864 1320 4449  
CATEGORY DAY 5 3  
SUNSHINE HOURS 7 5  
LIGHTNING ACTIVITY LVL 1 3 3  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HRS)...LOW.  
 
 
 
TXZ210>212-226-227-220330-  
AUSTIN-COLORADO-FORT BEND-WALLER-WHARTON-  
INCLUDING THE CITIES OF...BELLVILLE...BROOKSHIRE...COLUMBUS...  
EAGLE LAKE...EL CAMPO...HEMPSTEAD...MISSOURI CITY...PIERCE...  
PRAIRIE VIEW...RICHMOND...ROSENBERG...SEALY...SUGAR LAND...  
WEIMAR...WHARTON  
322 AM CDT TUE MAY 21 2013  
 
TODAY TONIGHT WED  
 
CLOUD COVER PCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (PCT) 10 30 30  
TEMP (24H TREND) 91 (0) 74 (+1) 89  
RH (24H TREND) 52 (0) 97 (+1) 53  
20 FT WIND (MPH) S 14 G22 SE 7 S 5  
MAX/MIN MIX HGT(M-AGL) 1757 272 1492  
MAX/MIN MIX HGT(FT-AGL) 5763 892 4896  
TRANSPORT WND (KTS) S 24 S 16 S 5  
TRANSPORT WND (M/S) S 12 S 8 S 3  
VENT RATE (M2/S) 21084 2176 4476  
CATEGORY DAY 5 3  
SUNSHINE HOURS 7 5  
LIGHTNING ACTIVITY LVL 1 2 2  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HRS)...LOW.  
 
 
 
TXZ214-238-220330-  
CHAMBERS-GALVESTON-  
INCLUDING THE CITIES OF...ANAHUAC...FRIENDSWOOD...GALVESTON...  
LEAGUE CITY...MONT BELVIEU...TEXAS CITY...WINNIE  
322 AM CDT TUE MAY 21 2013  
 
TODAY TONIGHT WED  
 
CLOUD COVER PCLDY MCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS  
CHANCE PRECIP (PCT) 0 30 50  
TEMP (24H TREND) 85 (+1) 73 (-1) 84  
RH (24H TREND) 67 (-3) 99 (+4) 65  
20 FT WIND (MPH) S 13 S 11 S 6  
MAX/MIN MIX HGT(M-AGL) 1384 219 1384  
MAX/MIN MIX HGT(FT-AGL) 4540 718 4542  
TRANSPORT WND (KTS) S 23 SW 11 S 8  
TRANSPORT WND (M/S) S 12 SW 6 S 4  
VENT RATE (M2/S) 16608 1314 5536  
CATEGORY DAY 5 3  
SUNSHINE HOURS 7 6  
LIGHTNING ACTIVITY LVL 1 2 3  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HRS)...LOW.  
 
 
 
TXZ235>237-220330-  
BRAZORIA-JACKSON-MATAGORDA-  
INCLUDING THE CITIES OF...ALVIN...ANGLETON...BAY CITY...EDNA...  
FREEPORT...LAKE JACKSON...PALACIOS...PEARLAND  
322 AM CDT TUE MAY 21 2013  
 
TODAY TONIGHT WED  
 
CLOUD COVER PCLDY MCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS  
CHANCE PRECIP (PCT) 0 20 20  
TEMP (24H TREND) 86 (-1) 75 (0) 86  
RH (24H TREND) 62 (-2) 96 (+2) 62  
20 FT WIND (MPH) SE 14 SE 10 S 6 G17  
MAX/MIN MIX HGT(M-AGL) 1515 272 1429  
MAX/MIN MIX HGT(FT-AGL) 4972 894 4687  
TRANSPORT WND (KTS) S 23 S 17 S 8  
TRANSPORT WND (M/S) S 12 S 9 S 4  
VENT RATE (M2/S) 18180 2448 5716  
CATEGORY DAY 5 3  
SUNSHINE HOURS 7 6  
LIGHTNING ACTIVITY LVL 1 2 2  
 
REMARKS...NONE.  
 
FOG POTENTIAL (FIRST 24 HRS)...LOW.  
 
 
   
FORECAST FOR DAYS 3 THROUGH 7  
 
   
WEDNESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHEAST WINDS 5 TO  
10 MPH.    
THURSDAY  
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.  
HIGHS IN THE UPPER 80S. SOUTHEAST WINDS 5 TO 10 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 70S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS  
5 TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 70. SOUTHEAST WINDS  
5 TO 10 MPH.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS  
5 TO 10 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS  
5 TO 10 MPH.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHEAST  
WINDS 5 TO 10 MPH.    
MONDAY  
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS  
AROUND 90. 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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