Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 7, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 16, 2017, 12:01 AM MST for Pima County, Arizona. It was in force for 89 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 16, 2017, 12:01 AM MST (07:01 UTC)
- Expired
- Jul 16, 2017, 1:30 AM MST
- In force
- 89 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 79 km from the middle of the area, began a volume at 07:02 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, 7.0 hours before the alert went out and 77 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
- 483 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 2835 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
906 WGUS55 KTWC 160701 FFWTWC AZC019-160830- /O.NEW.KTWC.FF.W.0007.170716T0701Z-170716T0830Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tucson AZ 1201 AM MST SUN JUL 16 2017 The National Weather Service in Tucson has issued a * Flash Flood Warning for... South central Pima County in southeastern Arizona... * Until 130 AM MST * At 1200 AM MST, Doppler radar and automated rain gauges indicated heavy rain across the warned area. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Arivaca, Sasabe and Junction Of Highway 286 And Arivaca Road. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3171 11117 3146 11145 3151 11162 3171 11159 $$
2 follow-up statements
850 WGUS75 KTWC 160739 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 1239 AM MST SUN JUL 16 2017 AZC019-160830- /O.CON.KTWC.FF.W.0007.000000T0000Z-170716T0830Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima- 1239 AM MST SUN JUL 16 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 AM MST FOR SOUTH CENTRAL PIMA COUNTY... At 1237 AM MST, Doppler radar and automated rain gauges indicated that heavy rain has ended over the area. However, one to two inches of rain has fallen over the area over the past two hours. Flash flooding is ongoing across the region. Normally dry washes and low water crossings may be inundated in the following locations... Arivaca, Sasabe and Junction Of Highway 286 And Arivaca Road. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3171 11117 3146 11145 3151 11162 3171 11159 $$ GL
128 WGUS75 KTWC 160825 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 125 AM MST SUN JUL 16 2017 AZC019-160832- /O.EXP.KTWC.FF.W.0007.000000T0000Z-170716T0830Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima- 125 AM MST SUN JUL 16 2017 ...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL PIMA COUNTY WILL EXPIRE AT 130 AM MST... The heavy rain has ended with washes continuing to run but will gradually recede. Thus, the flash flood warning will be allowed to expire. Please continue to heed any remaining road closures. LAT...LON 3171 11117 3146 11145 3151 11162 3171 11159 $$ GL
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 5:04 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 56 min |
| Jul 15, 5:23 PM MST | Dust Storm Warning | TWC | Pinal | 83 min |
| Jul 15, 5:26 PM MST | Special Weather Statement | TWC | Graham | 49 min |
| Jul 15, 5:57 PM MST | Special Weather Statement | TWC | 48 min | |
| Jul 15, 6:40 PM MST | Areal Flood Advisory | TWC | Pima | 110 min |
| Jul 15, 8:29 PM MST | Areal Flood Advisory | TWC | Cochise | 2 hr |
| Jul 15, 9:03 PM MST | Special Weather Statement | TWC | 42 min | |
| Jul 15, 10:27 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Jul 15, 10:53 PM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 112 min |
| Jul 16, 2:48 AM MST | Flash Flood Watch | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 48 hr |
| Jul 16, 1:06 PM MST | Special Weather Statement | TWC | Greenlee | 39 min |
| Jul 16, 1:14 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 61 min |
| Jul 16, 2:14 PM MST | Special Weather Statement | TWC | Graham | 61 min |
| Jul 16, 2:17 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 118 min |
| Jul 16, 3:03 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 117 min |
| Jul 16, 3:28 PM MST | Special Weather Statement | TWC | Santa Cruz | 62 min |
| Jul 16, 3:58 PM MST | Severe Thunderstorm Warning | TWC | Pima | 47 min |
| Jul 16, 4:07 PM MST | Blowing Dust Advisory | TWC | Pima, Pinal, Santa Cruz | 4 hr |
| Jul 16, 4:22 PM MST | Special Weather Statement | TWC | Pima | 53 min |
| Jul 16, 4:37 PM MST | Special Weather Statement | TWC | 53 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.