Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 6, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 13, 2017, 7:43 PM MST for Pima County, Pinal County, Arizona. It was in force for 2 hr. 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 13, 2017, 7:43 PM MST (02:43 UTC)
- Expired
- Jul 13, 2017, 9:45 PM MST
- In force
- 2 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
Counties Pima County, AZ, Pinal County, AZ
The radar
The Tucson radar (KEMX), 69 km from the middle of the area, began a volume at 02:44 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 (KDMA), launched 00:00Z, 2.7 hours before the alert went out and 39 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
- 757 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 2798 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- -41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
085 WGUS55 KTWC 140243 FFWTWC AZC019-021-140445- /O.NEW.KTWC.FF.W.0006.170714T0243Z-170714T0445Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tucson AZ 743 PM MST THU JUL 13 2017 The National Weather Service in Tucson has issued a * Flash Flood Warning for... Northeastern Pima County in southeastern Arizona... Southern Pinal County in southeastern Arizona... * Until 945 PM MST * At 739 PM MST, Doppler radar and automated rain gauges indicated heavy rain falling on the north side of the Catalina Mountains including areas near Oracle west to Oracle Junction. Movement of this heavy rain is to the south southwest around 10 to 15 mph. * Some locations that will experience flooding include... Campo Bonito, Saddlebrooke, Catalina State Park, Mount Lemmon/Summerhaven and Catalina. This includes the following streams and drainages...Gibb Wash... Cañada del Oro...Stratton Wash...Big Wash...Sabino Creek...Sutherland Wash and Alder Wash. PRECAUTIONARY/PREPAREDNESS ACTIONS... Excessive runoff from heavy rainfall will cause flooding of washes and streams, country roads and other low lying spots. A Flash Flood Warning means that flooding is imminent or occurring. If you are in the warned area move to higher ground immediately. Residents living along streams and creeks should take immediate precautions to protect life and property. && LAT...LON 3257 11067 3239 11075 3241 11092 3258 11091 $$
1 follow-up statement
697 WGUS75 KTWC 140445 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 945 PM MST THU JUL 13 2017 AZC019-021-140454- /O.EXP.KTWC.FF.W.0006.000000T0000Z-170714T0445Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima-Pinal- 945 PM MST THU JUL 13 2017 ...THE FLASH FLOOD WARNING FOR NORTHEASTERN PIMA AND SOUTHERN PINAL COUNTIES WILL EXPIRE AT 945 PM MST... The heavy rain has ended. Flooding is no longer expected to pose a threat, however expect heavy flow in normally dry streambeds and washes into the early morning hours. Please continue to heed any remaining road closures. LAT...LON 3257 11067 3239 11075 3241 11092 3258 11091 $$ Meyer
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 5:05 PM MST | Special Weather Statement | TWC | Cochise | 55 min |
| Jul 13, 5:13 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 47 min |
| Jul 13, 5:25 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 50 min |
| Jul 13, 5:41 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Jul 13, 5:43 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 62 min |
| Jul 13, 6:00 PM MST | Blowing Dust Advisory | TWC | Pima, Pinal | 2 hr |
| Jul 13, 6:00 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 45 min |
| Jul 13, 6:05 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Jul 13, 6:13 PM MST | Special Weather Statement | TWC | Graham | 47 min |
| Jul 13, 6:36 PM MST | Flash Flood Warning | TWC | Cochise | 114 min |
| Jul 13, 6:43 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima, Santa Cruz | 62 min |
| Jul 13, 6:47 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Santa Cruz | 33 min |
| Jul 13, 7:07 PM MST | Special Weather Statement | TWC | 38 min | |
| Jul 13, 7:10 PM MST | Severe Thunderstorm Warning | TWC | Pima | 80 min |
| Jul 13, 7:40 PM MST | Special Weather Statement | TWC | Santa Cruz | 65 min |
| Jul 13, 7:56 PM MST | Special Weather Statement | TWC | 49 min | |
| Jul 13, 8:08 PM MST | Severe Thunderstorm Warning | TWC | Pima | 37 min |
| Jul 13, 8:32 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 43 min |
| Jul 13, 9:12 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 48 min |
| Jul 14, 3:55 PM MST | Special Weather Statement | TWC | Graham | 35 min |
| Jul 14, 4:38 PM MST | Special Weather Statement | TWC | 37 min | |
| Jul 14, 4:55 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 35 min |
Nearby
Flash Flood Warnings in Arizona, 2017Every flash flood warning in 2017
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.