Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 53, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 22, 2011, 6:18 PM MST for Cochise County, Arizona. It was in force for 110 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
- Aug 22, 2011, 6:18 PM MST (01:18 UTC)
- Expired
- Aug 22, 2011, 8:08 PM MST
- In force
- 110 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 64 km from the middle of the area, began a volume at 01:20 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
Phoenix, AZ (KPSR), launched 00:00Z, 1.3 hours before the alert went out and 275 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
- 3899 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
696 WGUS55 KTWC 230118 FFWTWC AZC003-230245- /O.NEW.KTWC.FF.W.0053.110823T0118Z-110823T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 618 PM MST MON AUG 22 2011 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN COCHISE COUNTY IN SOUTHEAST ARIZONA... * UNTIL 745 PM MST * AT 606 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER THE MONUMENT BURN SCAR AREA. THIS THUNDERSTORM HAS PRODUCED UP TO ONE INCH OF RAINFALL IN THE AREA IN THE LAST 30 MINUTES. THESE RAINFALL RATES WILL RESULT IN FLASH FLOODING IN LOCATIONS SUCH AS ASH CANYON AND WILL POTENTIALLY IMPACT HIGHWAY 92. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RAMSEY CANYON PRESERVE...ASH CANYON AND NICKSVILLE. 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. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. && LAT...LON 3145 11036 3144 11021 3133 11016 3134 11035 $$ GL
3 follow-up statements
885 WGUS75 KTWC 230201 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 701 PM MST MON AUG 22 2011 AZC003-230245- /O.CON.KTWC.FF.W.0053.000000T0000Z-110823T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 701 PM MST MON AUG 22 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM MST FOR SOUTHWESTERN COCHISE COUNTY... AT 652 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR AND GAUGE DATA FROM ASH CANYON INDICATED ONE HALF TO ONE INCH OF RAINFALL HAS OCCURRED OVER THE MONUMENT BURN SCAR AREA. THIS RAINFALL HAS ENDED IN THE LAST 15 MINUTES BUT THE RUNOFF WILL CONTINUE TO LEAD TO FLASH FLOODING IN LOCATIONS SUCH AS ASH CANYON TOWARDS HIGHWAY 92. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NICKSVILLE PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. && LAT...LON 3145 11036 3144 11021 3133 11016 3134 11035 $$ GL
329 WGUS55 KTWC 230240 FFWTWC AZC003-230415- /O.EXT.KTWC.FF.W.0053.000000T0000Z-110823T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 740 PM MST MON AUG 22 2011 THE NATIONAL WEATHER SERVICE IN TUCSON HAS EXTENDED THE * FLASH FLOOD WARNING FOR... SOUTHWESTERN COCHISE COUNTY IN SOUTHEAST ARIZONA... * UNTIL 915 PM MST * AT 733 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES ANOTHER AREA OF THUNDERSTORMS NEAR PALOMINAS MOVING WEST TOWARDS THE MONUMENT BURN SCAR AREA. THESE THUNDERSTORMS IN ADDITION TO THE RAINFALL OVER THE LAST 2 HOURS WILL RESULT IN CONTINUED FLASH FLOODING ACROSS THE MONUMENT BURN SCAR AREA...ESPECIALLY IN ASH CANYON TOWARDS HIGHWAY 92. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NICKSVILLE 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. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. && LAT...LON 3145 11036 3144 11021 3133 11016 3134 11035 $$ GL
114 WGUS75 KTWC 230308 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 808 PM MST MON AUG 22 2011 AZC003-230317- /O.CAN.KTWC.FF.W.0053.000000T0000Z-110823T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 808 PM MST MON AUG 22 2011 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN COCHISE COUNTY... ELEVATED FLOW FROM EARLIER RAINFALL IS NOW SUBSIDING ACROSS THE MONUMENT BURN SCAR AREA. IN ADDITION...THE AREA OF RAINFALL THAT WAS MOVING WESTWARD FROM PALOMINAS TOWARDS THE MONUMENT BURN SCAR AREA HAS DISSIPATED. THUS...THE FLASH FLOOD WARNING HAS BEEN CANCELLED. LAT...LON 3145 11036 3144 11021 3133 11016 3134 11035 $$ GL
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 5:06 PM MST | Special Weather Statement | TWC | Graham | 24 min |
| Aug 23, 2:44 AM MST | Heat Advisory | TWC | Pima, Pinal | 40 hr |
| Aug 23, 2:30 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 30 min |
| Aug 23, 3:34 PM MST | Flash Flood Warning | TWC | Cochise | 86 min |
| Aug 23, 4:04 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Santa Cruz | 26 min |
| Aug 23, 4:48 PM MST | Severe Thunderstorm Warning | TWC | Pima | 27 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.