Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 70, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Sep 14, 2011, 4:36 PM MST for Cochise County, Pima 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
- Sep 14, 2011, 4:36 PM MST (23:36 UTC)
- Expired
- Sep 14, 2011, 6:30 PM MST
- In force
- 114 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cochise County, AZ, Pima County, AZ
The radar
The Tucson radar (KEMX), 7 km from the middle of the area, began a volume at 23:38 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, 11.6 hours before the alert went out and 33 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
- 579 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 1453 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
027
WGUS55 KTWC 142336
FFWTWC
AZC003-019-150130-
/O.NEW.KTWC.FF.W.0070.110914T2336Z-110915T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
436 PM MST WED SEP 14 2011
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL PIMA COUNTY IN SOUTH CENTRAL ARIZONA...
EXTREME WEST CENTRAL COCHISE COUNTY IN SOUTHEAST ARIZONA...
* UNTIL 630 PM MST
* AT 429 PM MST...A TRAINED WEATHER SPOTTER REPORTED 1.9 INCHES OF
RAIN HAD FALLEN IN ONLY 45 MINUTES NEAR CORONA DE TUCSON...OR 19
MILES EAST OF GREEN VALLEY...MOVING NORTHEAST AT 10 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MESCAL
WEATHER RADAR INDICATED ANOTHER AREA OF VERY HEAVY HEAVY RAINFALL
NEAR MESCAL. RAINFALL RUNOFF WILL LIKELY RESULT IN FLASH FLOODING
NEAR CORONA DE TUCSON AND MESCAL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
&&
LAT...LON 3189 11088 3203 11067 3204 11042 3203 11035
3178 11089
$$The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 5:14 PM MST | Areal Flood Advisory | TWC | Cochise | 91 min |
| Sep 13, 5:48 PM MST | Dust Storm Warning | TWC | Pinal | 12 min |
| Sep 13, 6:49 PM MST | Areal Flood Advisory | TWC | Pima | 116 min |
| Sep 13, 6:59 PM MST | Flash Flood Warning | TWC | Cochise | 91 min |
| Sep 13, 7:34 PM MST | Areal Flood Advisory | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 3 hr |
| Sep 14, 11:30 AM MST | Special Weather Statement | TWC | Santa Cruz | 45 min |
| Sep 14, 12:16 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 59 min |
| Sep 14, 1:15 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Graham | 60 min |
| Sep 14, 1:27 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima, Santa Cruz | 48 min |
| Sep 14, 1:54 PM MST | Severe Thunderstorm Warning | TWC | Pima | 23 min |
| Sep 14, 2:15 PM MST | Severe Thunderstorm Warning | TWC | Graham | 60 min |
| Sep 14, 4:18 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 27 min |
| Sep 14, 4:43 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 47 min |
| Sep 14, 4:52 PM MST | Severe Thunderstorm Warning | TWC | Pima | 23 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.