Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 31, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 23, 2017, 4:24 PM MST for 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 23, 2017, 4:24 PM MST (23:24 UTC)
- Expired
- Jul 23, 2017, 6:30 PM MST
- In force
- 2 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pinal County, AZ
The radar
The Phoenix radar (KIWA), 85 km from the middle of the area, began a volume at 23:28 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, 11.4 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
- 500 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1205 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
841
WGUS55 KTWC 232324
FFWTWC
AZC021-240130-
/O.NEW.KTWC.FF.W.0031.170723T2324Z-170724T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tucson AZ
424 PM MST SUN JUL 23 2017
The National Weather Service in Tucson has issued a
* Flash Flood Warning for...
South central Pinal County in southeastern Arizona...
* Until 630 PM MST
* At 423 PM MST, Doppler radar indicated thunderstorms producing
heavy rain across south central Pinal county just north of the
Marana area. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Red Rock and Picacho Peak.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3251 11139 3267 11152 3280 11132 3252 11116
3251 11116
$$
Zell2 follow-up statements
968
WGUS75 KTWC 240010
FFSTWC
Flash Flood Statement
National Weather Service Tucson AZ
510 PM MST SUN JUL 23 2017
AZC021-240130-
/O.CON.KTWC.FF.W.0031.000000T0000Z-170724T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pinal-
510 PM MST SUN JUL 23 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM MST FOR
SOUTH CENTRAL PINAL COUNTY...
At 506 PM MST, Doppler radar indicated an area of thunderstorms
producing heavy rain across south central Pinal county. An automated
gauge at McClellan Wash at CAP reported .47 inches in the last 15
minutes and .79 inches in the last hour.
Normally dry washes and low water crossings may be inundated in the
following locations...
Red Rock and Picacho Peak.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3251 11139 3267 11152 3280 11132 3252 11116
3251 11116
$$
Zell367
WGUS75 KTWC 240123
FFSTWC
Flash Flood Statement
National Weather Service Tucson AZ
623 PM MST SUN JUL 23 2017
AZC021-240133-
/O.EXP.KTWC.FF.W.0031.000000T0000Z-170724T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pinal-
623 PM MST SUN JUL 23 2017
...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL PINAL COUNTY WILL EXPIRE
AT 630 PM MST...
Flooding is no longer expected to pose a threat, however washes will
continue to flow this evening. Please continue to heed any remaining
road closures.
LAT...LON 3251 11139 3267 11152 3280 11132 3252 11116
3251 11116
$$
GLThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 5:06 PM MST | Special Weather Statement | TWC | 69 min | |
| Jul 22, 5:21 PM MST | Flash Flood Warning | TWC | Pima | 114 min |
| Jul 22, 5:30 PM MST | Severe Thunderstorm Warning | TWC | Pima | 18 min |
| Jul 22, 5:46 PM MST | Areal Flood Advisory | TWC | Cochise, Graham, Pima, Pinal | 3 hr |
| Jul 22, 6:13 PM MST | Special Weather Statement | TWC | 62 min | |
| Jul 22, 6:17 PM MST | Flash Flood Warning | TWC | Pima | 88 min |
| Jul 22, 6:33 PM MST | Flash Flood Warning | TWC | Pima | 117 min |
| Jul 22, 7:20 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 3 hr |
| Jul 22, 8:27 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Jul 23, 10:43 AM MST | Flash Flood Watch | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 13 hr |
| Jul 23, 2:46 PM MST | Flash Flood Warning | TWC | Cochise, Pima, Santa Cruz | 119 min |
| Jul 23, 2:51 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 114 min |
| Jul 23, 3:01 PM MST | Severe Thunderstorm Warning | TWC | Pima | 29 min |
| Jul 23, 3:02 PM MST | Flash Flood Warning | TWC | Pima | 118 min |
| Jul 23, 3:12 PM MST | Areal Flood Advisory | TWC | Cochise | 2 hr |
| Jul 23, 3:35 PM MST | Special Weather Statement | TWC | 40 min | |
| Jul 23, 3:47 PM MST | Special Weather Statement | TWC | Graham | 58 min |
| Jul 23, 3:55 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Jul 23, 4:10 PM MST | Areal Flood Advisory | TWC | Cochise, Graham | 2 hr |
| Jul 23, 4:18 PM MST | Severe Thunderstorm Warning | TWC | Graham | 42 min |
| Jul 23, 4:23 PM MST | Flash Flood Warning | TWC | Pima | 112 min |
| Jul 23, 4:27 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 34 min |
| Jul 23, 4:41 PM MST | Flash Flood Warning | TWC | Graham | 2 hr |
| Jul 23, 4:46 PM MST | Areal Flood Advisory | TWC | Pima | 119 min |
| Jul 23, 4:47 PM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 118 min |
| Jul 23, 4:59 PM MST | Special Weather Statement | TWC | Pinal | 46 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.