Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 39, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood warning at Jul 19, 2017, 6:04 PM MST for Yavapai County, Arizona. It was in force for 4 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
- Jul 19, 2017, 6:04 PM MST (01:04 UTC)
- Expired
- Jul 19, 2017, 10:00 PM MST
- In force
- 4 hr
- Issued by
- NWS Flagstaff, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 90 km from the middle of the area, began a volume at 01:07 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 |
|---|---|---|---|
| Jul 19, 9:15 PM MST | FLASH FLOOD | 3 Ese Cordes Junction, AZ | STREAM GAGE AFMA3 (AGUA FRIA NEAR MAYER) REPORTED A 5.84 FT. RISE IN WATER LEVEL IN A 45-MINUTE PERIOD FROM 8:30PM TO 9:15PM MST. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phoenix, AZ (KPSR), launched 00:00Z, 1.1 hours before the alert went out and 102 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
- 672 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1921 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
543
WGUS55 KFGZ 200104
FFWFGZ
AZC025-200400-
/O.NEW.KFGZ.FF.W.0039.170720T0104Z-170720T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
604 PM MST WED JUL 19 2017
The National Weather Service in Flagstaff has issued a
* Flash Flood Warning for...
Yavapai County in west central Arizona...
* Until 900 PM MST
* At 600 PM MST, law enforcement reports flooding in Big Bug creek
moving southeast through Mayer. Flood waters will move through Big
Bug creek, all the way to the confluence with the Agua Fria river.
* Some locations that will experience flooding include...
Cordes Lakes, Spring Valley and Cordes Junction.
This includes the following highways...
Interstate 17 near mile marker 262.
State Route 69 between mile markers 263 and 267.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
Heavy rainfall over the Goodwin fire scar will likely trigger life
threatening flash floods and debris flows in and downstream of the
fire area. Residences near drainages and creeks, particularly Big Bug
Creek and surrounding tributaries such as Grapevine Creek and
Hackberry Creek, may be affected by high water and debris flows.
Heavy rains may cause flooding across roadways in Mayer near Big Bug
Creek. Move away from drainages now!
&&
LAT...LON 3432 11206 3430 11205 3429 11210 3433 11216
3436 11221 3437 11219 3438 11219 3438 11218
3436 11217 3434 11213 3432 11211
$$1 follow-up statement
065
WGUS55 KFGZ 200318
FFWFGZ
AZC025-200500-
/O.EXT.KFGZ.FF.W.0039.000000T0000Z-170720T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
818 PM MST WED JUL 19 2017
The National Weather Service in Flagstaff has extended the
* Flash Flood Warning for...
Yavapai County in west central Arizona...
* Until 1000 PM MST
* At 805 PM MST, law enforcement officials are reporting evacuations
and flooding in Spring Valley and Cordes Lakes, as high water
continues to move down Big Bug creek, toward the Agua Fria.
* Some locations that will experience flooding include...
Spring Valley and Cordes Lakes.
This includes the following highways...
Interstate 17 near mile marker 262.
State Route 69 between mile markers 263 and 267.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now. Act quickly to protect your life.
Prior rainfall over the Goodwin fire scar is currently producing
life threatening flash floods and debris flows in and downstream of
the fire area. Residences near drainages and creeks, particularly
Big Bug Creek and surrounding tributaries such as Grapevine Creek
and Hackberry Creek, will continue to be affected by high water and
debris flows. Expect continued flooding near Big Bug creek in Spring
Valley and Cordes Lakes. Move away from drainages now!
&&
LAT...LON 3432 11206 3430 11205 3429 11210 3433 11216
3436 11221 3437 11219 3438 11219 3438 11218
3436 11217 3434 11213 3432 11211
$$The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 5:09 PM MST | Areal Flood Advisory | FGZ | Yavapai | 111 min |
| Jul 19, 5:13 PM MST | Severe Thunderstorm Warning | FGZ | Coconino, Yavapai | 32 min |
| Jul 19, 5:54 PM MST | Flash Flood Warning | FGZ | Coconino, Yavapai | 3 hr |
| Jul 19, 7:35 PM MST | Areal Flood Advisory | FGZ | Navajo | 115 min |
| Jul 19, 7:41 PM MST | Flash Flood Warning | FGZ | Yavapai | 109 min |
| Jul 19, 9:47 PM MST | Flash Flood Warning | FGZ | Yavapai | 8 hr |
| Jul 19, 10:03 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Jul 19, 11:27 PM MST | Areal Flood Advisory | FGZ | Apache | 2 hr |
| Jul 20, 12:37 PM MST | Flash Flood Warning | FGZ | Navajo | 3 hr |
| Jul 20, 3:45 PM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Jul 20, 4:59 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
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.