000 FPUS03 KHOU 220123 AFDHOU SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON TX 821 PM FRI JUL 21 1995 WATER VAPOR INDICATING WEAK TUTT LOW OVER CENT MEX DRIFTING TO THE SW...AS UPPER RIDGE OVER TEXAS REMAINS STRONG. LOOKS LIKE THE HEAT WILL CONTINUE! ON ACCOUNT OF THE CONTINUING STRETCH OF HOT WEATHER (HEAT INDEX HAS REACHED THE 110+ MARK) AND LAST NIGHTS MIN OF 80 AT IAH WILL GO AHEAD AND ISSUE HEAT ADVISORY FOR A LARGE CHUNK OF SETX. MOST OF THE CENT ZONES WILL BE INCLUDED BUT MAY INCLUDE THE WESTERN ZONES AS WELL. MAX TEMP SHOULD REACH 99 TO 102 DEGREES WITH A DWPT OF 73 TO 78 OVER THE MOST THREATENED AREAS--THE HEAT INDICES OUGHT TO REACH THE 112-116 RANGE. WITH THE WEEKEND AROUND THE CORNER... WILL DEFINITELY HAVE TO STRESS THE DANGER OF PROLONGED OUTDOOR ACTIVITIES. CRP AND LCH SOUNDINGS DRYING OUT A BIT SO DOESN'T LOOK WE WILL SEE MUCH IN THE WAY OF RELIEF DUE TO RAIN AND GIVEN THE 00Z SOUNDINGS PROBABLY NOT TO MUCH IN THE WAY SHADE COURTESTY OF CLOUDS EITHER. 45