Flash Flood Warning 6, NWS Denver/Boulder, CO

NORTHEAST AND NORTH CENTRAL COLORADO AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER COLORADO
255 PM MDT SAT JUL 31 1999

LINES OF CONVECTION ALREADY HAVE FIRED ACROSS FRONT RANGE AND MTN
AREAS THIS AFTN WITH DECENT E-SE FLOW UP TO AROUND 15K. STRONGER SW
FLOW AT THE MID AND UPPER LVLS IS KEEPING STORMS MOVING AT A DECENT
PACE SO FLASH FLOOD POTENTIAL FAIRLY LOW. HOWEVER STORMS WILL STILL
BE PUTTING OUT HEAVY RAIN AS PW VALUES REMAIN JUST ABV AN INCH. EVEN
SOME HAIL WITH THE STORMS THRU THIS EVENING AS THERE IS A BETTER
SHEAR PROFILE. MOST OF THE CONVECTION SHOULD END AFTER MIDNIGHT AS
MID LVL TROF MOVES ACROSS AND FLOW AT 700MB TURNS W-NW. ANOTHER WEAK
SURGE REINFORCES UPSLOPE FLOW SUN MORNING AND MID LVL FLOW ALSO
TURNS AROUND TO NERLY BY AFTN. LOW LVLS APPEAR SATURATED LATE TNT/
SUN MORNING FOR SOME MORNING FOG/STRATUS AGAIN AMS AND WK UPR LVL
DYNAMICS WILL KEEP A GOOD CHANCE OF STORMS IN THRU SUN AFTN.

LOOKS LIKE AMS WILL FINALLY DRY OUT SOME ON MONDAY AS RIDGE BUILDS
TO OUR WEST...MID LVL FLOW TURNS N-NE AND SOME DRIER AIR AND
SUBSIDENCE BEGINS TO FILTER DOWN FROM WY. WETTER AGAIN MIDWEEK AS
AMS REFUELS UP. SLOW WARMING TRND MON-WED.

ENTREKIN

.DEN...NONE.

COZ040-312200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
255 PM MDT   SATURDAY   JULY 31 1999

...MORE RAIN IN THE DENVER METRO AREA...

TWO SEPARATE BANDS OF SHOWERS AND THUNDERSTORMS WERE MOVING
ACROSS THE DENVER METRO AREA AT 255 PM MDT.

ONE BAND WAS HITTING THE AURORA...MONTEBELLO...DENVER INTERNATIONAL
AIRPORT AREA.  IT HAS PRODUCED 1.05 INCHES OF RAIN IN AURORA NEAR
THE INTERSECTION OF BUCKLEY AVENUE AND MEXICO STREET.  WATER IS
REPORTED TO BE RUNNING CURB DEEP IN THIS AREA.  ADDITIONALLY WATER
HAS GATHERED IN LOW LYING SPOTS IN SOME LOCATIONS.  THIS BAND IS
EXPECTED TO MOVE INTO THE LESS POPULATED AREAS OF CENTRAL ADAMS
AND CENTRAL ARAPAHOE COUNTIES BY 4 PM.

THE SECOND BAND WAS MOVING INTO THE WESTERN DENVER SUBURBS FROM
THE FOOTHILLS OF JEFFERSON COUNTY.  THUS FAR THIS BAND HAS PRODUCED
ABOUT 1/4 INCH TO 1/2 INCH OF RAIN IN ARVADA...WHEATRIDGE AND
GOLDEN.  THIS BAND IS EXPECTED TO MOVE THROUGH CENTRAL DENVER AND
THE NORTHERN DENVER SUBURBS BY 4 PM.

MOTORISTS SHOULD USE CAUTION AS THE HEAVY RAIN IS LIKELY TO CAUSE
SOME STREET INTERSECTIONS AND LOW LYING AREAS TO FLOOD UNTIL ABOUT
5 PM MDT.  SMALL STREAMS...CREEKS AND DRAINAGE DITCHES ARE EXPECTED
TO RUN FAST AND HIGH AND APPROACH BANKFUL STAGE IN SOME LOCATIONS.

MONITOR LOCAL NEWS MEDIA AND NOAA WEATHER RADIO FOR FUTURE WEATHER
DEVELOPMENTS AND BULLETINS.

END...GCF...WFO DENVER

COZ040-312300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
335 PM MDT   SATURDAY   JULY 31 1999

...HEAVY RAIN IN THE NORTHWEST DENVER METRO AREA...

A HEAVY THUNDERSTORM COMPLEX WAS MOVING ACROSS THE NORTHWEST
DENVER METRO AREA AT 330 PM MDT BRINGING HEAVY RAIN TO WESTMINSTER
...BROOMFIELD...THORNTON...NORTHGLENN AND PARTS OF ARVADA AND
WHEATRIDGE.  AN OFF DUTY WEATHER SERVICE FORECASTER REPORTED THAT
THREE FOURTHS OF AN INCH OF RAIN FELL IN 15 MINUTES AT HIS RESIDENCE
IN WESTMINSTER.  WEATHER RADAR INDICATES THAT 1 TO 2 INCHES OF RAIN
HAVE OCCURRED IN THE CORE OF THIS STORM NEAR BROOMFIELD AND SUPERIOR.

THIS THUNDERSTORM WILL MOVE NORTHEAST ABOUT 20 MPH AND BE THREATENING
THE TOWNS OF DACONO...FORT LUPTON AND BRIGHTON IN SOUTHWEST WELD
COUNTY BY 430 PM MDT.

MOTORISTS SHOULD USE CAUTION AS THE HEAVY RAIN IS LIKELY TO CAUSE
STREET INTERSECTIONS AND LOW LYING AREAS TO FLOOD UNTIL ABOUT 5 PM
MDT.  SMALL STREAMS...CREEKS AND DRAINAGE DITCHES ARE EXPECTED TO
RUN FAST AND HIGH AND COULD REACH BANKFUL STAGE IN SOME LOCATIONS.

MONITOR LOCAL NEWS MEDIA AND NOAA WEATHER RADIO FOR FUTURE WEATHER
DEVELOPMENTS AND BULLETINS.

END...GCF...WFO DENVER

COZ040-010130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
635 PM MDT   SATURDAY   JULY 31 1999

...MORE RAIN IN THE AURORA AREA...

ANOTHER THUNDERSTORM HAS MOVED OVER AURORA AND WAS CAUSING MODERATE
TO HEAVY RAIN IN THE CENTRAL AND EASTERN PORTIONS OF THE TOWN.
RADAR ESTIMATES AND UTOMATIC RAIN GAUGES SHOW THAT UP TO 1 INCH OF
RAIN HAS FALLEN IN LESS THAN 1 HOUR.  THIS THUNDERSTORM WAS MOVING
NORTH ABOUT 15 MPH AND WILL REACH NORTHERN AURORA...MONTBELLO AND
DENVER INTERNATIONAL AIRPORT AREA BETWEEN 5 AND 6 PM MDT.

THE HEAVY RAIN IS CAUSING LOCAL FLOODING OF STREET INTERSECTIONS
AND LOW LYING AREAS SO MOTORISTS SHOULD USE CAUTION.  SMALL CREEKS
AND STREAMS SUCH AS TOLLGATE CREEK AND SAND CREEK ARE RUNNING HIGH
AND FAST BUT APPEAR TO BE WITHIN THEIR BANKS.

MONITOR LOCAL NEWS MEDIA AND NOAA WEATHER RADIO FOR FUTURE WEATHER
DEVELOPMENTS AND BULLETINS.

END...GCF...WFO DENVER