Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 42, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 28, 2017, 11:16 PM MST for Pima County, Arizona. It was in force for 119 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 28, 2017, 11:16 PM MST (06:16 UTC)
- Expired
- Jul 29, 2017, 1:15 AM MST
- In force
- 119 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 45 km from the middle of the area, began a volume at 06:17 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, 6.3 hours before the alert went out and 29 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
- 601 J/kg
- Mixed-layer CIN
- -159 J/kg
- Mixed-layer LCL
- 1509 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
062 WGUS55 KTWC 290616 FFWTWC AZC019-290815- /O.NEW.KTWC.FF.W.0042.170729T0616Z-170729T0815Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tucson AZ 1116 PM MST FRI JUL 28 2017 The National Weather Service in Tucson has issued a * Flash Flood Warning for... Eastern Pima County in southeastern Arizona... * Until 115 AM MST * At 1115 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing additional rainfall over areas that experienced heavy rain earlier this evening. Flash flooding is underway. * Some locations that will experience flooding include... Tanque Verde and Redington. This includes the following streams and drainages...Turkey Creek... Deer Creek...Chimney Rock Creek...Bear Creek...Agua Caliente Wash...Buehman Canyon...Redfield Canyon and Tanque Verde Wash. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be especially cautious at night when it is harder to recognize the dangers of flooding. 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 3222 11076 3241 11071 3245 11046 3219 11046 $$ Meyer
1 follow-up statement
331 WGUS75 KTWC 290816 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 116 AM MST SAT JUL 29 2017 AZC019-290825- /O.EXP.KTWC.FF.W.0042.000000T0000Z-170729T0815Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima- 116 AM MST SAT JUL 29 2017 ...THE FLASH FLOOD WARNING FOR EASTERN PIMA COUNTY HAS EXPIRED... Flow is diminishing from earlier heavy rain. Flash Flooding is no longer expected to pose a threat, however expect heavy flow in streams and washes through the early morning hours. Please continue to heed any remaining road closures. A Flash Flood Warning remains in effect for downstream areas of the Tanque Verde. LAT...LON 3222 11076 3241 11071 3245 11046 3219 11046 $$ Meyer
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 5:08 PM MST | Areal Flood Advisory | TWC | Cochise | 2 hr |
| Jul 28, 5:22 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 3 hr |
| Jul 28, 5:29 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Jul 28, 5:36 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 28, 5:40 PM MST | Special Weather Statement | TWC | Cochise | 35 min |
| Jul 28, 5:55 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 35 min |
| Jul 28, 6:23 PM MST | Flash Flood Warning | TWC | Cochise | 112 min |
| Jul 28, 6:55 PM MST | Special Weather Statement | TWC | Cochise | 35 min |
| Jul 28, 7:04 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Jul 28, 7:31 PM MST | Areal Flood Advisory | TWC | Graham | 3 hr |
| Jul 28, 8:48 PM MST | Areal Flood Advisory | TWC | Graham | 117 min |
| Jul 28, 9:09 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Jul 28, 9:19 PM MST | Areal Flood Advisory | TWC | Pima | 116 min |
| Jul 28, 10:48 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Jul 29, 11:22 AM MST | Areal Flood Advisory | TWC | Pima | 113 min |
| Jul 29, 11:29 AM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Jul 29, 12:26 PM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 3 hr |
| Jul 29, 1:09 PM MST | Flash Flood Warning | TWC | Santa Cruz | 3 hr |
| Jul 29, 1:45 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 29, 1:50 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 29, 2:19 PM MST | Flash Flood Warning | TWC | Pima | 116 min |
| Jul 29, 2:41 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Jul 29, 3:15 PM MST | Special Weather Statement | TWC | Cochise | 45 min |
| Jul 29, 3:24 PM MST | Special Weather Statement | TWC | Cochise | 36 min |
| Jul 29, 3:37 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Jul 29, 3:57 PM MST | Special Weather Statement | TWC | Cochise | 33 min |
| Jul 29, 4:30 PM MST | Special Weather Statement | TWC | 45 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.