Flash Flood Warning 76, NWS Tucson, AZ

000 
WGUS75 KTWC 272020
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
120 PM MST WED AUG 27 2008

AZC009-272045-
/O.CON.KTWC.FF.W.0076.000000T0000Z-080827T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAHAM AZ-
120 PM MST WED AUG 27 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM MST FOR SOUTH
CENTRAL GRAHAM COUNTY...

AT 112 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM PRODUCING HEAVY RAIN LEADING TO FLASH 
FLOODING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT GRANT
AND BONITA

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
FRESNAL WASH...JESUS CANYON WASH AND HIGH CREEK.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

IF YOU ENCOUNTER FLOODING DO NOT ENTER THE WATER. CALL THE SHERIFF/S 
OFFICE TO REPORT FLOODING.

LAT...LON 3250 11021 3262 11025 3274 11020 3268 10993
      3246 10990 3246 11014

$$

EVANS
WEATHER.GOV/TUCSON

000 
WGUS75 KTWC 272042
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
142 PM MST WED AUG 27 2008

AZC009-272049-
/O.EXP.KTWC.FF.W.0076.000000T0000Z-080827T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRAHAM AZ-
142 PM MST WED AUG 27 2008

...THE FLASH FLOOD WARNING WILL EXPIRE AT 145 PM MST FOR SOUTH
CENTRAL GRAHAM COUNTY...

THE THUNDERSTORM THAT PRODUCED VERY HEAVY RAIN WEST OF BONITA HAS 
DISSIPATED ALONG WITH THE FLOODING POSSIBILITIES. THEREFORE...THE 
FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 145 PM. ADDITIONAL 
THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO THIS EVENING WITH 
HEAVY RAIN POSSIBLE. IF YOU ENCOUNTER FLOODING TURN AROUND DONT 
DROWN.

LAT...LON 3250 11021 3262 11025 3274 11020 3268 10993
      3246 10990 3246 11014

$$

EVANS
WEATHER.GOV/TUCSON

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
910 AM MST WED AUG 27 2008

.SYNOPSIS...ABUNDANT MOISTURE ACROSS SOUTHEAST ARIZONA WILL RESULT
IN SCATTERED THUNDERSTORMS AGAIN TODAY. SOME THUNDERSTORMS WILL
PRODUCE LOCALLY HEAVY RAINFALL AND STRONG GUSTY WINDS. SLIGHT DRYING
WILL LEAD TO A GRADUAL REDUCTION IN THUNDERSTORM ACTIVITY BY FRIDAY.
HIGH DAYTIME TEMPERATURES WILL REMAIN ABOUT 5 TO 7 DEGREES BELOW
NORMAL TODAY WITH A WARMUP TO NEAR NORMAL VALUES LATER THIS WEEK.

&&

.DISCUSSION...LATEST WV IMAGERY AND 12Z UPPER AIR PLOTS DEPICT A MID
LEVEL CIRCULATION NEAR THE ARIZONA/NEW MEXICO BORDER AND AN UPPER
LEVEL TROUGH AXIS FROM THE WHITE MOUNTAINS TO PINAL COUNTY. THE 12Z
KTWC SOUNDING REMAINS QUITE MOIST AND UNSTABLE WITH A PRECIPITABLE
WATER OF 1.73 INCHES. CURRENT RADAR IMAGERY DEPICTS AN AREA OF
SHOWERS THAT IS WEAKENING ACROSS NORTH/CENTRAL PINAL COUNTY AND
MOVING SLOWLY SOUTHWEST BEING AIDED BY THE UPPER LEVEL TROUGH
THIS MORNING. MEANWHILE...VISIBLE SATELLITE SHOWS CONSIDERABLE
CLOUDINESS ESPECIALLY TO THE EAST OF A LINE FROM CASA-GRANDE TO
SELLS. WITH THE ABUNDANT MOISTURE IN PLACE...SOME BREAKS IN THE
CLOUDS AND DYNAMICS TO WORK WITH AS THE UPPER LEVEL TROUGH TRAVERSES
THROUGH THE AREA...AREAS OF HEAVY RAINFALL WITH LOCALIZED AREAS OF
FLASH FLOODING ARE EXPECTED AGAIN TODAY. HAVE MADE SOME MINOR
CHANGES TO THE FORECAST TODAY MAINLY TO LOWER TEMPERATURES A COUPLE
OF DEGREES AND NUDGE POPS SLIGHTLY HIGHER.

THE AFOREMENTIONED UPPER LEVEL TROUGH IS EXPECTED TO DROP TO OUR
SOUTH TOMORROW AS UPPER LEVEL RIDGING BUILDS IN TO OUR NORTH. THIS
WILL RESULT IN EASTERLY FLOW ALOFT ESTABLISHING ITSELF. ABUNDANT
MOISTURE WILL REMAIN THURSDAY FOR CONTINUED ABOVE CLIMO POPS.
HOWEVER...MODEL GUIDANCE IS INDICATING A BIT OF DRIER AIR ALOFT BY
FRIDAY WHICH MAY RESULT IN A BRIEF REDUCTION IN SHOWER AND
THUNDERSTORM COVERAGE. THIS IS NOT EXPECTED TO BE LONG LIVED AS A
TROUGH APPROACHES THE WEST COAST...TURNING THE FLOW MORE SOUTHERLY
AND BRINGING IN CONSIDERABLY MORE MOISTURE AS EARLY AS SATURDAY.

&&

.AVIATION...CEILINGS BETWEEN 100 AND 500 FEET MAINLY IN SANTA CRUZ
AND COCHISE COUNTY ARE EXPECTED TO LIFT BY 18Z.
OTHERWISE...SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO
DEVELOP AGAIN...ESPECIALLY DURING THE AFTERNOON AND EVENING HOURS.
GUSTY AND ERRATIC WINDS ARE EXPECTED NEAR THUNDERSTORMS WITH CIGS AS
LOW AS BKN030 AGL/VSBYS 1-3SM IN HEAVY RAIN. AVIATION DISCUSSION NOT
UPDATED FOR TAF AMENDMENTS.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...NONE.

WEATHER.GOV/TUCSON

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TUCSON AZ
615 AM MST WED AUG 27 2008

AZZ019-030-281400-
NORTHERN GREENLEE COUNTY-UPPER GILA RIVER VALLEY-
615 AM MST WED AUG 27 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
ARIZONA.

.DAY ONE...TODAY AND TONIGHT.

A WEAK TROUGH WHICH LIES ACROSS SOUTHEAST ARIZONA WILL HELP TO
TRIGGER SCATTERED SHOWERS AND THUNDERSTORMS...MAINLY THIS AFTERNOON
AND INTO THE EVENING HOURS. THE MAIN THREAT WITH THE STORMS THAT
DEVELOP TODAY WILL BE HEAVY RAIN AND THE ASSOCIATED LOCALIZED
FLOODING CONCERNS. HOWEVER...STRONG GUSTY WINDS MAY ALSO BE POSSIBLE
NEAR SOME OF THE STRONGER THUNDERSTORMS.  .

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THE TROUGH THAT CURRENTLY LIES ACROSS SOUTHEAST ARIZONA WILL SLIDE
SOUTH INTO MEXICO LATE THURSDAY. MEANWHILE...HIGH PRESSURE OVER THE
EASTERN PACIFIC WILL MOVE INTO THE WEST COAST AND GREAT BASIN BY
LATE THURSDAY. THESE TWO FACTORS WILL RESULT IN A DECREASE IN RAIN
CHANCES THROUGH THE LATTER HALF OF THE WEEK. ANOTHER PACIFIC TROUGH
WILL MAKE ITS WAY TOWARD THE SOUTHWEST LATE THIS WEEKEND AND EARLY
NEXT WEEK FOR A SLIGHT INCREASE IN SHOWERS AND THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

AZZ029-031>034-281400-
SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-TOHONO OODHAM NATION-
TUCSON METRO/MARANA/GREEN VALLEY-SANTA CRUZ COUNTY-
615 AM MST WED AUG 27 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ARIZONA AND SOUTHEAST ARIZONA.

.DAY ONE...TODAY AND TONIGHT.

A WEAK TROUGH WHICH LIES ACROSS SOUTHEAST ARIZONA WILL HELP TO
TRIGGER SCATTERED SHOWERS AND THUNDERSTORMS...MAINLY THIS AFTERNOON
AND INTO THE EVENING HOURS. THE MAIN THREAT WITH THE STORMS THAT
DEVELOP TODAY WILL BE HEAVY RAIN AND THE ASSOCIATED LOCALIZED
FLOODING CONCERNS. HOWEVER...STRONG GUSTY WINDS MAY ALSO BE POSSIBLE
NEAR SOME OF THE STRONGER THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THE TROUGH THAT CURRENTLY LIES ACROSS SOUTHEAST ARIZONA WILL SLIDE
SOUTH INTO MEXICO LATE THURSDAY. MEANWHILE...HIGH PRESSURE OVER THE
EASTERN PACIFIC WILL MOVE INTO THE WEST COAST AND GREAT BASIN BY
LATE THURSDAY. THESE TWO FACTORS WILL RESULT IN A DECREASE IN RAIN
CHANCES THROUGH THE LATTER HALF OF THE WEEK. ANOTHER PACIFIC TROUGH
WILL MAKE ITS WAY TOWARD THE SOUTHWEST LATE THIS WEEKEND AND EARLY
NEXT WEEK FOR A SLIGHT INCREASE IN SHOWERS AND THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

AZZ035-281400-
COCHISE COUNTY-
615 AM MST WED AUG 27 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
ARIZONA.

.DAY ONE...TODAY AND TONIGHT.

PATCHY DENSE FOG HAS FORMED OVERNIGHT AND EARLY THIS MORNING OVER
PORTIONS OF COCHISE COUNTY. THE MAIN AREAS AFFECTED WITH BE RIVER
VALLEYS...ESPECIALLY THE SAN PEDRO RIVER VALLEY AND THE SULPHUR
SPRINGS VALLEY. THIS WILL MAKE TRAVEL DIFFICULT THIS MORNING...
ESPECIALLY ALONG HIGHWAY 191 AND ROADWAYS NEAR THE SIERRA VISTA
AREA.

A WEAK TROUGH WHICH LIES ACROSS SOUTHEAST ARIZONA WILL HELP TO
TRIGGER SCATTERED SHOWERS AND THUNDERSTORMS...MAINLY THIS AFTERNOON
AND INTO THE EVENING HOURS. THE MAIN THREAT WITH THE STORMS THAT
DEVELOP TODAY WILL BE HEAVY RAIN AND THE ASSOCIATED LOCALIZED
FLOODING CONCERNS. HOWEVER...STRONG GUSTY WINDS MAY ALSO BE POSSIBLE
NEAR SOME OF THE STRONGER THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THE TROUGH THAT CURRENTLY LIES ACROSS SOUTHEAST ARIZONA WILL SLIDE
SOUTH INTO MEXICO LATE THURSDAY. MEANWHILE...HIGH PRESSURE OVER THE
EASTERN PACIFIC WILL MOVE INTO THE WEST COAST AND GREAT BASIN BY
LATE THURSDAY. THESE TWO FACTORS WILL RESULT IN A DECREASE IN RAIN
CHANCES THROUGH THE LATTER HALF OF THE WEEK. ANOTHER PACIFIC TROUGH
WILL MAKE ITS WAY TOWARD THE SOUTHWEST LATE THIS WEEKEND AND EARLY
NEXT WEEK FOR A SLIGHT INCREASE IN SHOWERS AND THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

WEATHER.GOV/TUCSON