Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 26, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 30, 2012, 7:29 PM MST for Cochise County, Arizona. It was in force for 2 hr. 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 30, 2012, 7:29 PM MST (02:29 UTC)
- Expired
- Jul 30, 2012, 9:30 PM MST
- In force
- 2 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 2.5 hours before the alert went out and 151 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3008 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
092 WGUS55 KTWC 310229 FFWTWC AZC003-310430- /O.NEW.KTWC.FF.W.0026.120731T0229Z-120731T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 729 PM MST MON JUL 30 2012 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL COCHISE COUNTY IN SOUTHEAST ARIZONA... * UNTIL 930 PM MST * AT 727 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR AND LOCAL RAIN GAGES INDICATED FLASH FLOODING FROM A STRONG THUNDERSTORM OVER THE SOUTHERN CHIRICAHUA MOUNTAINS NEAR RUCKER CANYON. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RUCKER CANYON PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES... STANFORD CREEK...WHITEWATER DRAW...LESLIE CREEK...CAVE CREEK...ASH CREEK...RUCKER CANYON AND PRIDHAM CREEK. A SHORT PERIOD OF MODERATE RAINFALL ON A BURNED WATERSHED CAN LEAD TO FLASH FLOODS. SEEK HIGHER GROUND IMMEDIATELY...BUT IF IT IS UNSAFE TO EVACUATE DUE TO FLASH FLOODING...HEAVY RAIN...OR POOR VISIBILITY THE BEST ACTION MAY BE TO SHELTER IN PLACE IN A STURDY STRUCTURE. THE FORCE OF RUSHING WATER AND DEBRIS CAN DAMAGE OR DESTROY CULVERTS... BRIDGES...ROADWAYS...AND BUILDINGS. REMEMBER NEVER TO DRIVE THROUGH RAPIDLY FLOWING WATER...YOU MAY BE SWEPT AWAY. && LAT...LON 3187 10951 3184 10919 3166 10919 3164 10945 $$ MEYER
3 follow-up statements
265 WGUS75 KTWC 310245 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 745 PM MST MON JUL 30 2012 AZC003-310430- /O.CON.KTWC.FF.W.0026.000000T0000Z-120731T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 745 PM MST MON JUL 30 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM MST FOR EAST CENTRAL COCHISE COUNTY... AT 742 PM MST...A STRONG THUNDERSTORM GENERATING EXTREMELY HEAVY RAINFALL CONTINUED OVER THE SOUTHERN HALF OF THE CHIRICAHUA MOUNTAINS NEAR RUCKER CANYON. A RAIN GAGE IN RUCKER CANYON REPORTED 2.24 INCHES IN THE LAST 45 MINUTES WITH HEAVY RAIN CONTINUING OVER AND NEAR THE RUCKER CANYON WATER SHED. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES... STANFORD CREEK...WHITEWATER DRAW...LESLIE CREEK...CAVE CREEK...ASH CREEK...RUCKER CANYON AND PRIDHAM CREEK. A SHORT PERIOD OF MODERATE RAINFALL ON A BURNED WATERSHED CAN LEAD TO FLASH FLOODS. SEEK HIGHER GROUND IMMEDIATELY...BUT IF IT IS UNSAFE TO EVACUATE DUE TO FLASH FLOODING...HEAVY RAIN...OR POOR VISIBILITY THE BEST ACTION MAY BE TO SHELTER IN PLACE IN A STURDY STRUCTURE. THE FORCE OF RUSHING WATER AND DEBRIS CAN DAMAGE OR DESTROY CULVERTS... BRIDGES...ROADWAYS...AND BUILDINGS. REMEMBER NEVER TO DRIVE THROUGH RAPIDLY FLOWING WATER...YOU MAY BE SWEPT AWAY. && LAT...LON 3187 10951 3184 10919 3166 10919 3164 10945 $$ MEYER
581 WGUS75 KTWC 310307 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 807 PM MST MON JUL 30 2012 AZC003-310430- /O.CON.KTWC.FF.W.0026.000000T0000Z-120731T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 807 PM MST MON JUL 30 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM MST FOR EAST CENTRAL COCHISE COUNTY... AT 802 PM MST...THE HEAVIEST PART OF THE THUNDERSTORMS HAD MOVED WESTWARD OFF THE THE CHIRICAHUA MOUNTAINS AND WERE NOW DOWNSTREAM OF THE RUCKER CANYON AREA. RAINFALL AMOUNTS IN EXCESS OF 2 INCHES IN THE AREA...INCLUDING A GAGE REPORT OF 2.28 INCHES IN RUCKER CANYON...ARE EXPECTED TO ALREADY BE GENERATING FLASH FLOODING IN AND AROUND SOUTHERN PORTIONS OF THE CHIRICAHUA MOUNTAINS AS WELL AS AREAS NEAR AND DOWNSTREAM OF RUCKER CANYON. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES... STANFORD CREEK...WHITEWATER DRAW...LESLIE CREEK...CAVE CREEK...ASH CREEK...RUCKER CANYON AND PRIDHAM CREEK. A SHORT PERIOD OF MODERATE RAINFALL ON A BURNED WATERSHED CAN LEAD TO FLASH FLOODS. SEEK HIGHER GROUND IMMEDIATELY...BUT IF IT IS UNSAFE TO EVACUATE DUE TO FLASH FLOODING...HEAVY RAIN...OR POOR VISIBILITY THE BEST ACTION MAY BE TO SHELTER IN PLACE IN A STURDY STRUCTURE. THE FORCE OF RUSHING WATER AND DEBRIS CAN DAMAGE OR DESTROY CULVERTS... BRIDGES...ROADWAYS...AND BUILDINGS. REMEMBER NEVER TO DRIVE THROUGH RAPIDLY FLOWING WATER...YOU MAY BE SWEPT AWAY. && LAT...LON 3187 10951 3184 10919 3166 10919 3164 10945 $$ MEYER
716 WGUS75 KTWC 310426 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 926 PM MST MON JUL 30 2012 AZC003-310436- /O.EXP.KTWC.FF.W.0026.000000T0000Z-120731T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 926 PM MST MON JUL 30 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 930 PM MST FOR EAST CENTRAL COCHISE COUNTY... AT 925 PM MST THE SHOWERS HAD GENERALLY ENDED OVER THE CHIRICAHUA MOUNTAINS AND RUCKER CANYON AREA. EXPECT HEAVY FLOW TO CONTINUE OVERNIGHT FROM EARLIER RAINFALL AMOUNTS IN EXCESS OF 2 INCHES. A SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1030 PM MST. LAT...LON 3187 10951 3184 10919 3166 10919 3164 10945 $$ MEYER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 6:56 PM MST | Special Weather Statement | TWC | Cochise | 49 min |
| Jul 30, 7:27 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Jul 30, 8:34 PM MST | Special Weather Statement | TWC | Cochise | 41 min |
| Jul 30, 9:14 PM MST | Special Weather Statement | TWC | Graham | 46 min |
| Jul 30, 9:17 PM MST | Special Weather Statement | TWC | Cochise | 28 min |
| Jul 30, 9:40 PM MST | Severe Thunderstorm Warning | TWC | Graham | 38 min |
| Jul 30, 9:42 PM MST | Flash Flood Warning | TWC | Cochise | 2 hr |
| Jul 30, 9:48 PM MST | Special Weather Statement | TWC | Greenlee | 42 min |
| Jul 30, 10:39 PM MST | Special Weather Statement | TWC | Santa Cruz | 51 min |
| Jul 30, 11:16 PM MST | Special Weather Statement | TWC | 44 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.