Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 9, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 14, 2012, 2:47 PM MST for Pima County, Pinal County, Arizona. It was in force for 118 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 14, 2012, 2:47 PM MST (21:47 UTC)
- Expired
- Jul 14, 2012, 4:45 PM MST
- In force
- 118 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
Counties Pima County, AZ, Pinal County, AZ
The radar
The Phoenix radar (KIWA), 91 km from the middle of the area, began a volume at 21:49 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 9.8 hours before the alert went out and 61 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1664 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1040 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
605 WGUS55 KTWC 142147 FFWTWC AZC019-021-142345- /O.NEW.KTWC.FF.W.0009.120714T2147Z-120714T2345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 247 PM MST SAT JUL 14 2012 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTH CENTRAL PIMA COUNTY IN SOUTH CENTRAL ARIZONA... THIS INCLUDES THE CITIES OF...ORO VALLEY...MARANA... SOUTHERN PINAL COUNTY IN SOUTH CENTRAL ARIZONA... * UNTIL 445 PM MST * AT 237 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN FROM SEVERAL THUNDERSTORM OVER THE WARNED AREA. RAIN AMOUNTS OF 1 TO 2 INCHES WERE ESTIMATED IN THE CATALINA MOUNTAINS...ORO VALLEY...SOUTHWEST OF AVRA VALLEY AND FARTHER WEST BETWEEN QUEENS WELL AND FRIENDLY CORNERS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ORACLE... ORO VALLEY...PICTURE ROCKS AND AVRA VALLEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3268 11188 3266 11068 3234 11086 3211 11181 $$ KD
2 follow-up statements
807 WGUS75 KTWC 142256 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 356 PM MST SAT JUL 14 2012 AZC019-021-142345- /O.CON.KTWC.FF.W.0009.000000T0000Z-120714T2345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ-PINAL AZ- 356 PM MST SAT JUL 14 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM MST FOR SOUTHERN PINAL AND NORTH CENTRAL PIMA COUNTIES... AT 347 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT HEAVY RAIN HAD SUBSIDED IN THE WARNED AREA BUT RUNOFF WILL CONTINUE. URBAN AREAS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ORACLE... ORO VALLEY...PICTURE ROCKS...AND AVRA VALLEY. THE FOLLOWING STREAMS AND DRAINAGES MAY ALSO BE AFFECTED...BIG WASH...BLANCO WASH...CANADA DEL ORO WASH...BRAWLEY WASH...AND WASHES RUNNING THROUGH IRONWOOD NATIONAL FOREST INTO PINAL COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. && LAT...LON 3268 11188 3266 11068 3234 11086 3211 11181 $$ KD
281 WGUS75 KTWC 142339 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 439 PM MST SAT JUL 14 2012 AZC019-021-142346- /O.EXP.KTWC.FF.W.0009.000000T0000Z-120714T2345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ-PINAL AZ- 439 PM MST SAT JUL 14 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 445 PM MST FOR SOUTHERN PINAL AND NORTH CENTRAL PIMA COUNTIES... HEAVY RAIN HAD EXITED THE WARNED AREA OF PINAL AND PIMA COUNTIES... BUT SOME RUNOFF WILL CONTINUE. AN URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR THESE AREAS UNTIL 530 PM MST. NO REPORTS OF FLASH FLOODING HAVE BEEN RECEIVED. TO REPORT SEVERE WEATHER OR FLASH FLOODING CONTACT LOCAL LAW ENFORCEMENT OR THE NATIONAL WEATHER SERVICE. && LAT...LON 3268 11188 3266 11068 3234 11086 3211 11181 $$ KD
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 5:18 PM MST | Special Weather Statement | TWC | Santa Cruz | 42 min |
| Jul 14, 12:26 PM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 3 hr |
| Jul 14, 12:48 PM MST | Special Weather Statement | TWC | Santa Cruz | 42 min |
| Jul 14, 1:04 PM MST | Areal Flood Advisory | TWC | Cochise, Graham, Pima, Pinal | 4 hr |
| Jul 14, 1:42 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Jul 14, 1:48 PM MST | Special Weather Statement | TWC | 42 min | |
| Jul 14, 2:15 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 45 min |
| Jul 14, 4:49 PM MST | Special Weather Statement | TWC | 41 min |
Nearby
Flash Flood Warnings in Arizona, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.