Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 64, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 13, 2017, 3:28 AM MST for Pima County, Arizona. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 13, 2017, 3:28 AM MST (10:28 UTC)
- Expired
- Aug 13, 2017, 6:30 AM MST
- In force
- 3 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 54 km from the middle of the area, began a volume at 10:30 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 13, 3:45 AM MST | FLASH FLOOD | 7 Se Marana, AZ | SWIFT WATER RESCUE. VEHICLE SWEPT FROM ROADWAY ON INA RD NEAR CAMINO DE LOS CABALLOS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KDMA), launched 00:00Z, 10.5 hours before the alert went out and 16 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
- 397 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 2643 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
872
WGUS55 KTWC 131028
FFWTWC
AZC019-131330-
/O.NEW.KTWC.FF.W.0064.170813T1028Z-170813T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tucson AZ
328 AM MST SUN AUG 13 2017
The National Weather Service in Tucson has issued a
* Flash Flood Warning for...
Northeastern Pima County in southeastern Arizona...
* Until 630 AM MST
* At 324 AM MST, Doppler radar indicated thunderstorms producing
heavy rain across much of the Tucson Metro area. This Flash Flood
Warning is an extension and will replace the previous Flash Flood
Warning for the Tucson Metro area. A large area of the city has
received between 1.0 and 2.0 inches rainfall in the last hour or
so. Flash flooding is likely occurring or will begin shortly.
* Some locations that will experience flooding include...
Tucson, Oro Valley, Marana, Tortolita, Summit, Tucson Estates,
Drexel-Alvernon, Valencia West, Flowing Wells, Littletown, Drexel
Heights, Casas Adobes, Tanque Verde, South Tucson, Mount
Lemmon/Summerhaven, Ryan Field, Davis-Monthan Air Force Base, Dove
Mountain, Saguaro National Park West and Seven Falls.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3249 11087 3246 11062 3232 11049 3205 11053
3205 11098 3213 11120 3236 11131 3249 11127
$$
Zell2 follow-up statements
566
WGUS75 KTWC 131143
FFSTWC
Flash Flood Statement
National Weather Service Tucson AZ
443 AM MST SUN AUG 13 2017
AZC019-131330-
/O.CON.KTWC.FF.W.0064.000000T0000Z-170813T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pima-
443 AM MST SUN AUG 13 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM MST FOR
NORTHEASTERN PIMA COUNTY...
At 439 AM MST, Doppler radar indicated that only light to moderate
rainfall continued across northern portions of the warning area.
While most of the rainfall has ended, runoff from the earlier heavy
rains across the Tucson Metro area will continue for the next hour
or so. Do not drive through flowing or flooded washes.
Normally dry washes and low water crossings may be inundated in the
following locations...
Tucson, Oro Valley, Marana, Tortolita, Summit, Tucson Estates,
Drexel-Alvernon, Valencia West, Flowing Wells, Littletown, Drexel
Heights, Casas Adobes, Tanque Verde, South Tucson, Mount
Lemmon/Summerhaven, Ryan Field, Davis-Monthan Air Force Base, Dove
Mountain, Saguaro National Park West and Seven Falls.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3249 11087 3246 11062 3232 11049 3205 11053
3205 11098 3213 11120 3236 11131 3249 11127
$$
Zell728
WGUS75 KTWC 131303
FFSTWC
Flash Flood Statement
National Weather Service Tucson AZ
603 AM MST SUN AUG 13 2017
AZC019-131311-
/O.CAN.KTWC.FF.W.0064.000000T0000Z-170813T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pima-
603 AM MST SUN AUG 13 2017
...THE FLASH FLOOD WARNING FOR NORTHEASTERN PIMA COUNTY IS
CANCELLED...
The rainfall has ended. Flash flooding is no longer expected to pose
a threat. Please continue to heed any remaining road closures.
LAT...LON 3249 11087 3246 11062 3232 11049 3205 11053
3205 11098 3213 11120 3236 11131 3249 11127
$$
ZellThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 5:38 PM MST | Special Weather Statement | TWC | Cochise | 52 min |
| Aug 12, 5:55 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 35 min |
| Aug 12, 6:04 PM MST | Special Weather Statement | TWC | Cochise | 26 min |
| Aug 12, 6:10 PM MST | Areal Flood Advisory | TWC | Cochise | 2 hr |
| Aug 12, 6:11 PM MST | Special Weather Statement | TWC | Pima | 34 min |
| Aug 12, 6:33 PM MST | Special Weather Statement | TWC | Cochise | 27 min |
| Aug 12, 6:50 PM MST | Areal Flood Advisory | TWC | Cochise | 85 min |
| Aug 12, 6:50 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 40 min |
| Aug 12, 10:18 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Aug 12, 11:08 PM MST | Areal Flood Advisory | TWC | Graham | 2 hr |
| Aug 13, 12:11 AM MST | Areal Flood Advisory | TWC | Graham, Pinal | 2 hr |
| Aug 13, 12:57 AM MST | Flash Flood Warning | TWC | Pinal | 2 hr |
| Aug 13, 1:06 AM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 3 hr |
| Aug 13, 1:07 AM MST | Areal Flood Advisory | TWC | Pinal | 3 hr |
| Aug 13, 1:33 AM MST | Flash Flood Warning | TWC | Pima | 117 min |
| Aug 13, 2:02 AM MST | Flash Flood Warning | TWC | Pinal | 118 min |
| Aug 13, 8:10 AM MST | Areal Flood Warning | TWC | Pinal | 9 hr |
| Aug 13, 12:16 PM MST | Special Weather Statement | TWC | Santa Cruz | 29 min |
| Aug 13, 12:28 PM MST | Special Weather Statement | TWC | Cochise | 47 min |
| Aug 13, 12:46 PM MST | Special Weather Statement | TWC | Santa Cruz | 29 min |
| Aug 13, 12:55 PM MST | Special Weather Statement | TWC | Santa Cruz | 35 min |
| Aug 13, 1:15 PM MST | Special Weather Statement | TWC | Cochise | 45 min |
| Aug 13, 2:15 PM MST | Severe Thunderstorm Warning | TWC | Pima | 30 min |
| Aug 13, 3:18 PM MST | Special Weather Statement | TWC | Santa Cruz | 27 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.