Flash Flood Warning 43, NWS Tucson, AZ

064 
WGUS75 KTWC 160211
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
711 PM MST FRI AUG 15 2014

AZC019-160245-
/O.CON.KTWC.FF.W.0043.000000T0000Z-140816T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIMA AZ-
711 PM MST FRI AUG 15 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM MST FOR SOUTH
CENTRAL PIMA COUNTY...INCLUDING THE ARIVACA AREA...

THE HEAVY RAINFALL THAT PROMPTED THE WARNING HAD DIMINISHED AND 
MOVED WEST OF ARIVACA. RUNOFF FROM THE EARLIER HEAVY DOWNPOURS WILL 
CONTINUE TO CAUSE FLOODING PROBLEMS AROUND ARIVACA AND LOCATIONS 
JUST WEST OF THERE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3170 11145 3166 11126 3153 11127 3152 11137
      3143 11137 3148 11151

$$

498 
WGUS75 KTWC 160238
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
738 PM MST FRI AUG 15 2014

AZC019-160247-
/O.EXP.KTWC.FF.W.0043.000000T0000Z-140816T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIMA AZ-
738 PM MST FRI AUG 15 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 745 PM MST FOR SOUTH 
CENTRAL PIMA COUNTY...INCLUDING THE ARIVACA AREA...

THE THREAT OF ADDITIONAL FLASH FLOODING HAD ENDED IN THE AREA. SOME 
STANDING WATER ON ROADWAYS AND ELEVATED FLOWS IN WASHES CAN BE 
EXPECTED FOR A FEW MORE HOURS...BUT THE WARNING WILL EXPIRE ON TIME 
AT 745 PM MST.

&&

LAT...LON 3170 11145 3166 11126 3153 11127 3152 11137
      3143 11137 3148 11151

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
218 PM MST FRI AUG 15 2014

.SYNOPSIS...THUNDERSTORM CHANCES REMAIN IN THE FORECAST INTO EARLY
NEXT WEEK. SOME STORMS WILL PRODUCE HEAVY RAIN THAT MAY LEAD TO
FLOODING.

&&

.DISCUSSION...THUNDERSTORMS CONTINUE TO FORM IN ABUNDANT LOW AND MID
LEVEL MOISTURE ACROSS SE AZ THIS AFTERNOON. A NUMBER OF TRIGGERING
MECHANISMS IN WEAK MID LEVEL FLOW LEADING TO SLOW ERRATIC MOVEMENT.
STORMS FROM KTUS WEST HAVE NOT HAD MUCH SUCCESS SUSTAINING
DEVELOPMENT AS YET WHICH WOULD VERIFY THE MARKEDLY DRIER AIR SEEN ON
12Z SOUNDING ABOVE 500MB IS STILL HOLDING FAST.  DO EXPECT STORMS
AROUND TUCSON LATE THIS AFTERNOON THOUGH.  THE MID LEVEL NE FLOW
WILL BE STRENGTHENING TONIGHT BUT PERHAPS NOT SOON ENOUGH TO USHER
GRAHAM COUNTY STORMS SOUTHWESTWARD INTO TUCSON METRO. CONSIDERING
CURRENT STORMS AND EXPECTED EVOLUTION...WILL CONTINUE BEST CHANCES
FOR RAIN THIS EVENING EAST AND SOUTH OF TUCSON.

N TO NE MID UPPER FLOW WILL TEND TO LOWER PRECIPITABLE WATER VALUES
THIS WEEKEND...BUT EVER SO SLIGHTLY...BEFORE BETTER MOISTURE SEEPS
BACK INTO THE AREA EARLY NEXT WEEK.  THUNDERSTORM FORECAST GENERALLY
REFLECTS A SLIGHT DOWNTURN THIS WEEKEND FOLLOWED BY AN UPTICK EARLY
NEXT WEEK...ALTHOUGH AREAS TO THE SE WILL MAINTAIN A DECENT CHANCE
FOR RAIN THE ENTIRE FORECAST PERIOD.

HIGH TEMPERATURES WILL RANGE FROM SLIGHTLY ABOVE NORMAL NW TO
SLIGHTLY BELOW NORMAL SE.

&&

.AVIATION...VALID THRU 17/00Z.
SCATTERED TSRA/SHRA INTO THIS EVENING MAY IMPACT TERMINALS.
CURRENTLY NOTE VCTS AT TERMINAL TO ACCOUNT FOR THREAT. MVFR
VISIBILITIES AND WIND GUSTS TO NEAR 45 KTS WILL OCCUR WITH THE
STRONGER TSRA. SCATTERED -SHRA AND ISOLD -TSRA WILL THEN PREVAIL
LATE TONIGHT INTO SATURDAY MORNING. THEN SCATTERED AFTERNOON
-TSRA/-SHRA SATURDAY AFTERNOON MAINLY EAST OF KTUS. AVIATION
DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.

&&

.FIRE WEATHER...DAILY SCATTERED AFTERNOON AND EVENING SHOWERS AND
THUNDERSTORMS ARE EXPECTED THIS WEEKEND. STRONG...GUSTY AND ERRATIC
WINDS BETWEEN 35 AND 45 MPH ARE POSSIBLE WITH STRONGER
THUNDERSTORMS. OTHERWISE...WINDS WILL SHOW NORMAL DIURNAL TRENDS AND
LESS THAN 15 MPH.

&&

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

&&

PUBLIC...DROZD
AVIATION/FIRE WEATHER...BROST

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
132 PM MST FRI AUG 15 2014

AZZ507-508-511-152100-
EASTERN COCHISE COUNTY BELOW 5000 FEET INCLUDING DOUGLAS/WILLCOX
AZ-GALIURO AND PINALENO MOUNTAINS INCLUDING MOUNT GRAHAM AZ-UPPER SAN
PEDRO RIVER VALLEY INCLUDING SIERRA VISTA/BENSON AZ-
132 PM MST FRI AUG 15 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN COCHISE COUNTY UNTIL 200
PM MST...

AT 130 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 10 MILES WEST OF WILLCOX...MOVING SOUTHEAST AT 15
MPH.

WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN THAT WILL REDUCE VISIBILITIES AND MAY CAUSE PONDING OF
WATER ON ROADWAYS...SUCH AS WEST AIRPORT ROAD.

AREAS AFFECTED BY THIS STORM INCLUDE...WILLCOX.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3232 10975 3211 10986 3226 11014 3242 11004
TIME...MOT...LOC 2031Z 298DEG 11KT 3229 10999

KD

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
335 PM MST FRI AUG 15 2014

AZZ504-507-514-152315-
SANTA CATALINA AND RINCON MOUNTAINS INCLUDING MOUNT
LEMMON/SUMMERHAVEN AZ-TUCSON METRO AREA INCLUDING TUCSON/GREEN
VALLEY/MARANA/VAIL AZ-UPPER SAN PEDRO RIVER VALLEY INCLUDING SIERRA
VISTA/BENSON AZ-
335 PM MST FRI AUG 15 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN PIMA COUNTY UNTIL
415 PM MST...

AT 326 PM MST...RADAR CONTINUED TO SHOW A STRONG THUNDERSTORM WITH
HEAVY RAINFALL AND SMALL HAIL PASSING THROUGH THE EAST SIDE OF THE
CATALINA FOOTHILLS AREA NORTH OF FORT LOWELL ROAD AND EAST OF SABINO
CANYON ROAD. THIS STORM WAS TRACKING TO THE WEST AT LESS THAN 10
MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER IS EXPECTED WITH THIS STORM...
ALONG WITH HEAVY RAIN.

AREAS AFFECTED BY THIS STORM INCLUDE...SEVEN FALLS AND SABINO CANYON.

LAT...LON 3238 11062 3226 11066 3225 11087 3239 11080
TIME...MOT...LOC 2233Z 180DEG 0KT 3224 11076

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
542 PM MST FRI AUG 15 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0533 PM     FLASH FLOOD      5 ENE CORONA DE TUCSON  31.97N 110.69W
08/15/2014                   PIMA               AZ   TRAINED SPOTTER

            SPOTTER REPORTS FLASH FLOODING OF SAHUARITA RD AT
            DAVIDSON THAT IS 40 FEET ACROSS AND 1 FOOT DEEP WITH A
            LOT OF DEBRIS.

&&

EVENT NUMBER TWC1400087

FRENCH

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
557 PM MST FRI AUG 15 2014

AZZ502-160145-
TOHONO O'ODHAM NATION INCLUDING SELLS AZ-
557 PM MST FRI AUG 15 2014

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL PIMA COUNTY UNTIL 645 PM
MST...

AT 547 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 15 MILES NORTHWEST OF SELLS.  THIS STORM WAS
NEARLY STATIONARY.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

AREAS AFFECTED BY THIS STORM INCLUDE...MAINLY RURAL AREAS OF CENTRAL
PIMA COUNTY AND ALONG STATE HIGHWAY 86 BETWEEN SELLS AND THE
INTERSECTION OF 86 AND ROUTE 15.

LAT...LON 3209 11193 3199 11202 3211 11217 3217 11206
TIME...MOT...LOC 0056Z 323DEG 1KT 3208 11205

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
605 PM MST FRI AUG 15 2014

AZZ503-160145-
UPPER SANTA CRUZ RIVER AND ALTAR VALLEYS INCLUDING NOGALES AZ-
605 PM MST FRI AUG 15 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN PIMA COUNTY UNTIL 645 PM
MST...

AT 558 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 19 MILES WEST OF TUBAC...OR 26 MILES SOUTHWEST OF
GREEN VALLEY...MOVING SOUTH AT 5 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

AREAS AFFECTED BY THIS STORM INCLUDE...ARIVACA.

LAT...LON 3153 11125 3153 11148 3170 11146 3171 11128
TIME...MOT...LOC 0105Z 000DEG 3KT 3162 11137