Flash Flood Warning 33, NWS Grand Junction, CO

698 
RWUS32 KGJT 082100
FFSGJT
COC067-082300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
258 PM MDT THU AUG 8 2002

...A FLASH FLOOD WARNING CONTINUES UNTIL 400 PM MDT FOR NORTHERN LA
PLATA COUNTY...

AT 255 PM MDT...LA PLATA COUNTY OFFICIALS REPORTED MUDFLOWS ACROSS 
COUNTY ROAD 250 AT MISSIONARY RIDGE ROAD. DOPPLER RADAR INDICATED 
AREAS OF HEAVY RAIN HAD FALLEN FROM HERMOSA EAST TO VALLECITO 
RESERVOIR. 

HEAVY RAIN WILL DIMINISH OVER THE MISSIONARY RIDGE BURN SITE THROUGH 
4:00 PM. HOWEVER RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CONTINUE  
TO CAUSE DEBRIS AND MUD FLOWS TO OCCUR. STAY TUNED TO YOUR LOCAL 
MEDIA OUTLET FOR THE LATEST INFORMATION ON THIS DEVELOPING STORM.

602 
RWUS32 KGJT 082200
FFSGJT
COC067-082215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
400 PM MDT THU AUG 8 2002

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR NORTHEASTERN LA 
PLATA COUNTY IN SOUTHWEST COLORADO INCLUDING THE MISSIONARY RIDGE 
BURN AREA HAS BEEN ALLOWED TO EXPIRE...

THE HEAVY RAIN HAS ENDED OVER THE WARNED AREA.  EMERGENCY MANAGEMENT 
OFFICIALS REPORT THAT THE MUD HAS STOPPED FLOWING THROUGH THE 
MISSIONARY RIDGE BURN SITE.  HOWEVER...SOME COUNTY ROADS WILL REMAIN 
CLOSED UNTIL THE DEBRIS CAN BE CLEARED.  

THE THREAT OF ADDITIONAL SHOWERS AND THUNDERSTORMS WILL CONTINUE 
INTO EVENING HOURS.  RESIDENTS SHOULD REMAIN PREPARED TO EVACUATE 
SHOULD ADDITIONAL RAIN MOVE INTO THE AREA. 

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

WESTERN COLORADO & EASTERN UTAH AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
150 PM MDT THU AUG 8 2002

THE LAST STORMS BEFORE THE QUIET.  CURRENTLY...40 DEWPOINTS AND 60KT
JET STREAK ORIENTED INTO CENTRAL COLORADO HAVE COMBINED FOR SOME
STRONG THUNDERSTORM ACTIVITY FROM THE TAVAPUTS SOUTH. WEAK
COOL/DEWPOINT FRONT IS DRAPED IN NE UTAH AND HAS SQUELCHED
THUNDERSTORMS TO ITS NORTH AND WEST.  WATER VAPOR IMAGERY INDICATES
THE JET STREAK IS SLOW MOVING AND THERE APPEARS A WEAK RIPPLE ALONG
THE AZ/UT BORDER NOT INITIALIZED IN THE MODELS. MODELS SHOW LITTLE
AGEOSTROPHIC FORCING FOR THIS EVENING. BUT AS THE FRONT BEGINS TO
MOVE EAST AND SOUTH THIS EVENING...THIS MAY PROVIDE A GOOD FOCUS FOR
FURTHER CONVECTION. SO FAR THIS AFTERNOON SPOTTERS HAVE REPORTED ONLY
BRIEF HEAVY RAIN AS STORMS HAVE PRODUCED VIL DENSITIES OF 0.8-0.9...
AND LRM HIGH OF 1-2 PIXELS OF VIP 6.

TONIGHT-FRIDAY: SMALL HAIL AND 50 MPH OUTFLOWS APPEAR POSSIBLE OVER
THE COLORADO CENTRAL MOUNTAINS THIS EVENING. BOTH COAL SEAM AND
MISSIONARY RIDGE BURN SITES REMAIN VULNERABLE TO DEBRIS FLOW FLOODING
THIS EVENING. MODELS SAG THE FRONT THROUGH THE SOUTHERN ZONES LATE
TONIGHT...BUT THIS MAY BE TOO FAST. WITH THE POSSIBILITY OF A
BOUNDARY AND LINGERING MOISTURE SOUTH...WILL KEEP ISOLATED STORMS FOR
FRIDAY.  ONCE THE CLOUDS CLEAR TONIGHT...TEMPERATURES MAY REACH
RECORD LOWS FOR A FEW LOCATIONS ACROSS THE NORTH AND CENTRAL ZONES.
THE COOLER LOW TEMPERATURES FOR THE SOUTHERN ZONES MAY BE FRIDAY
NIGHT.  OTHERWISE FRIDAY THRU SUNDAY WILL BE BENIGN/MOSTLY CLEAR WITH
A WARMING TREND. WEAK FRONT APPROACHES THE NORTHERN ZONES SUNDAY FOR
POSSIBLE AFTERNOON BREEZES.   99/RAMEY

(SUN-THU)...12Z AVN DROPS WAVE OUT OF CANADA INTO THE NRN PLAINS LATE
SUNDAY PUSHING SURFACE FRONT DOWN MAINLY THE EAST SIDE OF ROCKIES
SUNDAY NIGHT AND MONDAY. WILL KEEP NORTHERN ZONES DRY BUT WILL TWEAK
TEMPS DOWN A BIT FOR THE NRN MTNS MON AND TUE. REMNANT TAIL END OF
FRONT MAY HANG AROUND INTO MIDWEEK FOR WEAK FOCUS FOR AFTERNOON TSTMS
IN THE CO MTNS...BUT NW FLOW SHOULD REMAIN PRETTY DRY SO WILL KEEP
THE FORECAST THAT WAY TOO. TEMPS GENERALLY NEAR SEASONAL LEVELS.  JAD

.GJT...NONE.