Houston/Galveston...lots of rain on tap
Posted: Wed Sep 10, 2003 2:29 pm
After reading this afternoons discussion over at Texas Skywarn, it looks like we are in for some serious rain. Some spots may get up to 9 inches of rain before it is all said and done. :o Severe weather is in the forecast also. Read below.
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
215 PM CDT WED SEP 10 2003
A MESSY FORECAST ON TAP FOR THE NEXT SEVERAL DAYS. HIGH PW'S COUPLED
WITH INCREASINGLY FAVORABLE UPPER LEVEL WINDS AND A SLOW MOVING COLD
FRONT WILL COMBINE TO PRODUCE HIGH RAIN CHANCES FRI-SAT MORNING.
THERE WILL BE A BRIEF RESPITE IN THE RAIN TONIGHT WITH HIGH PW'S
FAVORING SHRA/TSRA REDEVELOPING TOWARD MORNING OVER COASTAL SECTIONS.
LOW CONVECTIVE TEMPS ON THURSDAY WILL YIELD COVERAGE SIMILAR TO
TODAY...PROBABLY A TAD HIGHER DUE TO BETTER UPPER LEVEL DIVERGENCE.
AS PREVIOUS FORECASTERS HAVE ALREADY NOTED...HEAVY RAIN THREAT WILL
INCREASE FRI/FRI NITE. WITH STRONGLY DIVERGENT UPPER LEVEL WINDS...
A LOW LEVEL FOCUS AND PLENTY OF MOISTURE...HEAVY RAIN LOOKS LIKE A
GOOD BET. FLASH FLOOD DECISION TREE INDICATES SOME SPOTS WILL
RECEIVE 7 TO 9 INCHES OF RAIN BY SATURDAY MORNING. GFS IS MORE
AGGRESSIVE IN MOVING THE FRONT THROUGH THE AREA WITH THE ETA MUCH
SLOWER. PREFER THE ETA TIMING AS UPPER LEVEL WINDS ARE PARALLEL TO
THE FRONT WHICH SUGGESTS A SLOWER MOVEMENT. THE SLOWER MOVEMENT IS
ALSO SUPPORTED BY THE UKMET AND CANADIAN. MARINE FORECAST IS ON
TRACK AND NO MAJOR CHANGES TO GOING FORECAST. 43/46
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
215 PM CDT WED SEP 10 2003
A MESSY FORECAST ON TAP FOR THE NEXT SEVERAL DAYS. HIGH PW'S COUPLED
WITH INCREASINGLY FAVORABLE UPPER LEVEL WINDS AND A SLOW MOVING COLD
FRONT WILL COMBINE TO PRODUCE HIGH RAIN CHANCES FRI-SAT MORNING.
THERE WILL BE A BRIEF RESPITE IN THE RAIN TONIGHT WITH HIGH PW'S
FAVORING SHRA/TSRA REDEVELOPING TOWARD MORNING OVER COASTAL SECTIONS.
LOW CONVECTIVE TEMPS ON THURSDAY WILL YIELD COVERAGE SIMILAR TO
TODAY...PROBABLY A TAD HIGHER DUE TO BETTER UPPER LEVEL DIVERGENCE.
AS PREVIOUS FORECASTERS HAVE ALREADY NOTED...HEAVY RAIN THREAT WILL
INCREASE FRI/FRI NITE. WITH STRONGLY DIVERGENT UPPER LEVEL WINDS...
A LOW LEVEL FOCUS AND PLENTY OF MOISTURE...HEAVY RAIN LOOKS LIKE A
GOOD BET. FLASH FLOOD DECISION TREE INDICATES SOME SPOTS WILL
RECEIVE 7 TO 9 INCHES OF RAIN BY SATURDAY MORNING. GFS IS MORE
AGGRESSIVE IN MOVING THE FRONT THROUGH THE AREA WITH THE ETA MUCH
SLOWER. PREFER THE ETA TIMING AS UPPER LEVEL WINDS ARE PARALLEL TO
THE FRONT WHICH SUGGESTS A SLOWER MOVEMENT. THE SLOWER MOVEMENT IS
ALSO SUPPORTED BY THE UKMET AND CANADIAN. MARINE FORECAST IS ON
TRACK AND NO MAJOR CHANGES TO GOING FORECAST. 43/46