Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 29, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 27, 2011, 12:23 PM MST for Cochise 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 27, 2011, 12:23 PM MST (19:23 UTC)
- Expired
- Jul 27, 2011, 2:15 PM MST
- In force
- 112 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 126 km from the middle of the area, began a volume at 19:23 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, 7.4 hours before the alert went out and 157 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
- 2159 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
677 WGUS55 KTWC 271923 FFWTWC AZC003-272115- /O.NEW.KTWC.FF.W.0029.110727T1923Z-110727T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 1223 PM MST WED JUL 27 2011 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL COCHISE COUNTY IN SOUTHEAST ARIZONA... * UNTIL 215 PM MST * AT 1212 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAINFALL FROM A STRONG THUNDERSTORM ABOUT 10 TO 15 MILES SOUTHWEST OF PORTAL NEAR RUCKER CANYON. RAINFALL IN EXCESS OF 1 INCH CAN BE EXPECTED OVER CENTRAL AND SOUTHERN PORTIONS OF THE CHIRICAHUA MOUNTAINS. THE STORM WAS NEARLY STATIONARY. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RUCKER CANYON AND PORTAL PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES... SILVER CREEK...ROCK CREEK...EAST TURKEY CREEK...CAVE CREEK... WHITEWATER DRAW...LESLIE CREEK...RUCKER CANYON...PRIDHAM CREEK...BIG BEND CREEK AND ASH CREEK. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES AND STREAMS...ROADS...CANYONS...AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3186 10939 3194 10910 3166 10918 3159 10946 $$ MEYER
2 follow-up statements
821 WGUS75 KTWC 272009 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 109 PM MST WED JUL 27 2011 AZC003-272115- /O.CON.KTWC.FF.W.0029.000000T0000Z-110727T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 109 PM MST WED JUL 27 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM MST FOR EAST CENTRAL COCHISE COUNTY... AT 105 PM MST...THUNDERSTORMS WERE STARTING TO WEAKEN ACROSS CENTRAL AND SOUTHERN PORTIONS OF THE CHIRICAHUA MOUNTAINS. HEAVY RUNOFF WILL CONTINUE FROM RAINFALL AMOUNTS IN EXCESS OF 1 INCH IN SOME LOCATIONS SUCH AS THE HEAD OF RUCKER CANYON AND WHITEWATER DRAW. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES... SILVER CREEK...ROCK CREEK...CAVE CREEK...WHITEWATER DRAW...LESLIE CREEK...RUCKER CANYON...PRIDHAM CREEK...BIG BEND CREEK AND ASH CREEK. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES AND STREAMS...ROADS...CANYONS...AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3186 10939 3194 10910 3166 10918 3159 10946 $$ MEYER
910 WGUS75 KTWC 272108 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 208 PM MST WED JUL 27 2011 AZC003-272115- /O.EXP.KTWC.FF.W.0029.000000T0000Z-110727T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 208 PM MST WED JUL 27 2011 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 215 PM MST FOR EAST CENTRAL COCHISE COUNTY... AT 205 PM MST ONLY A FEW LIGHT SHOWERS REMAINED OVER THE SOUTHERN CHIRICAHUA MOUNTAINS. HEAVY FLOW WILL CONTINUE IN STREAMS AND WASHES THROUGH THE AFTERNOON HOURS. LAT...LON 3186 10939 3194 10910 3166 10918 3159 10946 $$ MEYER
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.