Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 53, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Sep 3, 2012, 4:05 PM MST for Cochise County, Arizona. It was in force for 115 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
- Sep 3, 2012, 4:05 PM MST (23:05 UTC)
- Expired
- Sep 3, 2012, 6:00 PM MST
- In force
- 115 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 58 km from the middle of the area, began a volume at 23:05 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, 11.1 hours before the alert went out and 98 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
- 65 J/kg
- Mixed-layer CIN
- -358 J/kg
- Mixed-layer LCL
- 2003 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- -41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
653
WGUS55 KTWC 032305
FFWTWC
AZC003-040100-
/O.NEW.KTWC.FF.W.0053.120903T2305Z-120904T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
405 PM MST MON SEP 3 2012
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN COCHISE COUNTY IN SOUTHEAST ARIZONA...
THIS INCLUDES THE CITY OF SIERRA VISTA...
* UNTIL 600 PM MST
* AT 400 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM NEAR SIERRA VISTA...MOVING
SOUTHWEST AT 5 TO 10 MPH. IN ADDITION...AN AREA OF STRONG
THUNDERSTORMS WERE SPREADING SOUTHWEST TOWARD THE HUACHUCA
MOUNTAIN BURN AREA.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HUACHUCA CITY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
SAN PEDRO RIVER...BABOCOMARI RIVER...CARR CANYON...MILLER CANYON...
STUMP CANYON...HUNTER CANYON...SLAUGHTER HOUSE WASH AND ASH CANYON.
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 3133 11045 3160 11045 3166 11023 3151 11010
3133 11018 3132 11043
$$
MEYER2 follow-up statements
099
WGUS75 KTWC 032353
FFSTWC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
453 PM MST MON SEP 3 2012
AZC003-040100-
/O.CON.KTWC.FF.W.0053.000000T0000Z-120904T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COCHISE AZ-
453 PM MST MON SEP 3 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM MST FOR
SOUTHWESTERN COCHISE COUNTY...
AT 442 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AN AREA OF STRONG THUNDERSTORMS NEAR AND EAST OF SIERRA
VISTA MOVING SOUTHWEST INTO THE HUACHUCA MOUNTAINS. RAINFALL AMOUNTS
BETWEEN 1 AND 1.5 INCHES HAVE BEEN NOTED IN THE AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
SAN PEDRO RIVER...CARR CANYON...MILLER CANYON...STUMP CANYON...HUNTER
CANYON...BABOCOMARI RIVER...SLAUGHTER HOUSE WASH AND ASH CANYON.
A SHORT PERIOD OF MODERATE RAINFALL ON A BURNED WATERSHED CAN LEAD TO
FLASH FLOODS. SEEK HIGHER GROUND IMMEDIATELY...BUT IF IT IS UNSAFE TO
EVACUATE DUE TO FLASH FLOODING...HEAVY RAIN...OR POOR VISIBILITY THE
BEST ACTION MAY BE TO SHELTER IN PLACE IN A STURDY STRUCTURE. THE
FORCE OF RUSHING WATER AND DEBRIS CAN DAMAGE OR DESTROY CULVERTS...
BRIDGES...ROADWAYS...AND BUILDINGS. REMEMBER NEVER TO DRIVE THROUGH
RAPIDLY FLOWING WATER...YOU MAY BE SWEPT AWAY.
&&
LAT...LON 3133 11045 3160 11045 3166 11023 3151 11010
3133 11018 3132 11043
$$
MEYER873
WGUS75 KTWC 040058
FFSTWC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
558 PM MST MON SEP 3 2012
AZC003-040104-
/O.EXP.KTWC.FF.W.0053.000000T0000Z-120904T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COCHISE AZ-
558 PM MST MON SEP 3 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 600 PM MST FOR SOUTHWESTERN
COCHISE COUNTY...
AT 554 PM MST ONLY LIGHT TO MODERATE SHOWERS REMAINED IN
SOUTHWESTERN COCHISE COUNTY. EARLIER A SPOTTER REPORTED 1.75 INCHES
JUST EAST OF SIERRA VISTA. EXPECT HEAVY FLOW IN NORMALLY DRY
STREAMBEDS AND WASHES INTO THE EVENING HOURS.
LAT...LON 3133 11045 3160 11045 3166 11023 3151 11010
3133 11018 3132 11043
$$
MEYERThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 5:02 PM MST | Flash Flood Warning | TWC | Pima | 118 min |
| Sep 2, 5:10 PM MST | Flash Flood Warning | TWC | Pima | 80 min |
| Sep 2, 5:25 PM MST | Blowing Dust Advisory | TWC | Pima, Pinal | 100 min |
| Sep 2, 5:52 PM MST | Special Weather Statement | TWC | Pima | 38 min |
| Sep 2, 6:59 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 2 hr |
| Sep 2, 8:22 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 3 hr |
| Sep 2, 8:40 PM MST | Flash Flood Warning | TWC | Pima | 80 min |
| Sep 3, 1:47 PM MST | Flash Flood Warning | TWC | Cochise | 118 min |
| Sep 3, 3:03 PM MST | Special Weather Statement | TWC | Santa Cruz | 42 min |
| Sep 3, 3:25 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 2 hr |
| Sep 3, 3:35 PM MST | Special Weather Statement | TWC | Santa Cruz | 40 min |
| Sep 3, 3:57 PM MST | Areal Flood Advisory | TWC | Cochise | 93 min |
| Sep 3, 4:28 PM MST | Severe Thunderstorm Warning | TWC | Pima | 47 min |
| Sep 3, 4:46 PM MST | Flash Flood Warning | TWC | Pima | 119 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.