Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 10, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 9, 2011, 4:23 PM MST for Pima County, Pinal County, Arizona. It was in force for 112 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 9, 2011, 4:23 PM MST (23:23 UTC)
- Expired
- Jul 9, 2011, 6:15 PM MST
- In force
- 112 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
Counties Pima County, AZ, Pinal County, AZ
The radar
The Tucson radar (KEMX), 65 km from the middle of the area, began a volume at 23:27 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, 11.4 hours before the alert went out and 39 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
- 52 J/kg
- Mixed-layer CIN
- -269 J/kg
- Mixed-layer LCL
- 2439 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -46 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
015 WGUS55 KTWC 092323 FFWTWC AZC019-021-100115- /O.NEW.KTWC.FF.W.0010.110709T2323Z-110710T0115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 423 PM MST SAT JUL 9 2011 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN PIMA COUNTY IN SOUTH CENTRAL ARIZONA... SOUTHEASTERN PINAL COUNTY IN SOUTH CENTRAL ARIZONA... * UNTIL 615 PM MST * AT 415 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM AN AREA OF THUNDERSTORMS NEAR SUMMERHAVEN... AND MAINLY EAST OF ORO VALLEY AND CATALINA...MOVING NORTHWEST AT 10 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SABINO CANYON...CATALINA STATE PARK...SADDLEBROOKE AND CATALINA PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES... STRATTON WASH...BIG WASH...SUTHERLAND WASH...SABINO CREEK...CHALK CREEK...INDIAN WELL WASH...CHIRREON WASH...ALDER WASH...SMELTER WASH...PEPPERSAUCE WASH...GIBB WASH...CATALINA WASH... BUEHMAN CANYON...CANADA DEL ORO...BIRD CANYON...ESPERERO WASH AND AGUA CALIENTE WASH. 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 3248 11050 3230 11078 3252 11100 3259 11067 $$ MEYER
1 follow-up statement
407 WGUS75 KTWC 092354 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 454 PM MST SAT JUL 9 2011 AZC019-021-100115- /O.CON.KTWC.FF.W.0010.000000T0000Z-110710T0115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ-PINAL AZ- 454 PM MST SAT JUL 9 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM MST FOR SOUTHEASTERN PINAL AND NORTHEASTERN PIMA COUNTIES... AT 445 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE AN AREA OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN. THE HEAVIEST STORM WAS NOW LOCATED BETWEEN CATALINA AND SUMMERHAVEN ON THE NORTHERN AND NORTHEASTERN SLOPES...MOVING NORTHWEST AT ABOUT 10 MPH. RAIN GAGE REPORTS INCLUDED 1.93 INCHES AT SUMMERHAVEN...1.50 INCHES AT HEAD OF CANADA DEL ORO WASH...AND 1.22 INCHES AT ORACLE RIDGE. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CATALINA......CATALINA STATE PARK...SADDLEBROOKE...AND CAMPO BONITO. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...STRATTON WASH...BIG WASH...SUTHERLAND WASH...SABINO CREEK...CHALK CREEK...INDIAN WELL WASH...CHIRREON WASH...ALDER WASH...SMELTER WASH...PEPPERSAUCE WASH...GIBB WASH...CATALINA WASH...BUEHMAN CANYON...CANADA DEL ORO...BIRD CANYON...ESPERERO WASH AND AGUA CALIENTE WASH. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3248 11050 3230 11078 3252 11100 3259 11067 $$ MEYER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 6:08 AM MST | Areal Flood Advisory | TWC | Cochise | 112 min |
| Jul 9, 1:32 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Jul 9, 2:40 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 110 min |
| Jul 9, 2:45 PM MST | Severe Thunderstorm Warning | TWC | Pima | 45 min |
| Jul 9, 2:58 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 47 min |
| Jul 9, 3:16 PM MST | Areal Flood Advisory | TWC | Pima | 89 min |
Nearby
Flash Flood Warnings in Arizona, 2011Every flash flood warning in 2011
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.