Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 30, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 31, 2011, 5:06 PM MST for Cochise County, Arizona. It was in force for 114 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 31, 2011, 5:06 PM MST (00:06 UTC)
- Expired
- Jul 31, 2011, 7:00 PM MST
- In force
- 114 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 132 km from the middle of the area, began a volume at 00:09 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 00:00Z, 0.1 hours before the alert went out and 163 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
- 278 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1980 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
861
WGUS55 KTWC 010006
FFWTWC
AZC003-010200-
/O.NEW.KTWC.FF.W.0030.110801T0006Z-110801T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
506 PM MST SUN JUL 31 2011
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN COCHISE COUNTY IN SOUTHEAST ARIZONA...
* UNTIL 700 PM MST
* AT 454 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM PRODUCING HEAVY RAINFALL 7 MILES WEST OF
PORTAL...OR 14 MILES WEST OF RODEO...MOVING NORTHWEST AT 15 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PARADISE AND CHIRICAHUA NATIONAL MONUMENT...AND THE BURN AREAS FROM
THE HORSESHOE 2 FIRE.
A COMPLEX OF STRONG AND HEAVY THUNDERSTORMS WILL CONTINUE TO DEVELOP
AND EXPAND ACROSS THE SOUTHEAST CORNER OF COCHSIE COUNTY OVER THE
NEXT COUPLE OF HOURS. HEAVY RAINFALL IN THE CHIRICHUA MOUNATINS OVER
THE HORESHOE 2 BURN AREA WILL RESULT IN FLASH FLOODING NEAR PORTAL
AND PARADISE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3154 10938 3209 10937 3209 10919 3190 10906
3133 10906
$$The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 5:47 PM MST | Flash Flood Warning | TWC | Cochise | 118 min |
| Jul 31, 6:45 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 2 hr |
| Jul 31, 7:00 PM MST | Flash Flood Warning | TWC | Cochise | 90 min |
| Jul 31, 7:54 PM MST | Areal Flood Advisory | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 81 min |
| Aug 1, 2:54 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
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.