Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 65, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 23, 2017, 3:33 PM MST for Pima County, Santa Cruz County, Arizona. It was in force for 117 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
- Aug 23, 2017, 3:33 PM MST (22:33 UTC)
- Expired
- Aug 23, 2017, 5:30 PM MST
- In force
- 117 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
Counties Pima County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 59 km from the middle of the area, began a volume at 22:37 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 12:00Z, 10.6 hours before the alert went out and 61 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
- 906 J/kg
- Mixed-layer CIN
- -195 J/kg
- Mixed-layer LCL
- 2087 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
298 WGUS55 KTWC 232233 FFWTWC AZC019-023-240030- /O.NEW.KTWC.FF.W.0065.170823T2233Z-170824T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tucson AZ 333 PM MST WED AUG 23 2017 The National Weather Service in Tucson has issued a * Flash Flood Warning for... Southeastern Pima County in southeastern Arizona... North central Santa Cruz County in southeastern Arizona... * Until 530 PM MST * At 329 PM MST, Doppler radar indicated thunderstorms along Arivaca Road between Arivaca and Arivaca Junction have produced between 1.5 and 2.5 inches of rain over the past hour. This will likely result in flash flooding of Sopori wash to the northeast of Arivaca. Flash flooding will also be likely in normally dry washes...roadway dips and other low lying areas along Arivaca road. * Some locations that will experience flooding include... Arivaca and Amado. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3176 11104 3162 11117 3154 11135 3177 11145 $$
1 follow-up statement
526 WGUS75 KTWC 240027 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 527 PM MST WED AUG 23 2017 AZC019-023-240030- /O.EXP.KTWC.FF.W.0065.000000T0000Z-170824T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima-Santa Cruz- 527 PM MST WED AUG 23 2017 ...THE FLASH FLOOD WARNING FOR SOUTHEASTERN PIMA AND NORTH CENTRAL SANTA CRUZ COUNTIES WILL EXPIRE AT 530 PM MST... The heavy rain has ended and the threat of flash flooding near Arivaca has subsided. However, expect swift running water in normally dry washes, as well as significant ponding of water in roadway dips and other low lying areas this evening. Exercise caution near the Sopori Wash, Arivaca Creek and Puertocito Wash, as they will likely contain running water through the late evening hours. Please continue to heed any remaining road closures and never attempt to cross through roadway dips filled with running water of unknown depth. LAT...LON 3176 11104 3162 11117 3154 11135 3177 11145 $$
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 9:58 AM MST | Blowing Dust Advisory | TWC | Pima, Pinal | 9 hr |
| Aug 23, 11:58 AM MST | Special Weather Statement | TWC | Santa Cruz | 47 min |
| Aug 23, 12:38 PM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 112 min |
| Aug 23, 1:09 PM MST | Special Weather Statement | TWC | Santa Cruz | 51 min |
| Aug 23, 2:41 PM MST | Special Weather Statement | TWC | Santa Cruz | 34 min |
| Aug 23, 3:21 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Aug 23, 3:21 PM MST | Severe Thunderstorm Warning | TWC | Pima | 39 min |
| Aug 23, 3:33 PM MST | Special Weather Statement | TWC | Cochise | 57 min |
| Aug 23, 3:45 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 90 min |
| Aug 23, 3:51 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 39 min |
| Aug 23, 4:02 PM MST | Severe Thunderstorm Warning | TWC | Pima | 43 min |
| Aug 23, 4:11 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Aug 23, 4:12 PM MST | Areal Flood Advisory | TWC | Pinal | 2 hr |
| Aug 23, 4:28 PM MST | Dust Storm Warning | TWC | Pima, Pinal | 3 hr |
| Aug 23, 4:29 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 46 min |
| Aug 23, 4:34 PM MST | Flash Flood Warning | TWC | Pinal | 116 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.