Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 2, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood warning at Jul 8, 2017, 4:57 PM MST for Yavapai County, Arizona. It was in force for 3 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 8, 2017, 4:57 PM MST (23:57 UTC)
- Expired
- Jul 8, 2017, 7:45 PM MST
- In force
- 3 hr
- Issued by
- NWS Flagstaff, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 104 km from the middle of the area, began a volume at 23:56 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 12.0 hours before the alert went out and 104 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
- 68 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 2717 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
136
WGUS55 KFGZ 082357
FFWFGZ
AZC025-090245-
/O.NEW.KFGZ.FF.W.0002.170708T2357Z-170709T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
457 PM MST SAT JUL 8 2017
The National Weather Service in Flagstaff has issued a
* Flash Flood Warning for...
Yavapai County in west central Arizona...
* Until 745 PM MST
* At 450 PM MST...National Weather Service Flagstaff doppler radar
indicated thunderstorms producing heavy rain across northern and
western sections of the Goodwin Fire Scar. This rainfall will
produce flash flooding in Grapevine and Big Bug creeks.
* Some locations that will experience flooding include...
Grapevine and Big Bug creeks in the Goodwin Fire Scar.
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 State Highway 69 near Mayer.
Move away from drainages now!
&&
LAT...LON 3445 11228 3441 11225 3439 11223 3436 11229
3431 11232 3430 11236 3434 11239 3440 11237
3445 11235 3446 11231
$$1 follow-up statement
180
WGUS75 KFGZ 090134
FFSFGZ
Flash Flood Statement
National Weather Service Flagstaff AZ
634 PM MST SAT JUL 8 2017
AZC025-090142-
/O.CAN.KFGZ.FF.W.0002.000000T0000Z-170709T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Yavapai-
634 PM MST SAT JUL 8 2017
...THE FLASH FLOOD WARNING FOR YAVAPAI COUNTY IS CANCELLED...
Rain has ended over the Goodwin Fire scar and no flooding has been
reported. Therefore, the Flash Flood Warning has been cancelled.
LAT...LON 3445 11228 3441 11225 3439 11223 3436 11229
3431 11232 3430 11236 3434 11239 3440 11237
3445 11235 3446 11231
$$The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 5:56 PM MST | Special Weather Statement | FGZ | 34 min | |
| Jul 8, 11:50 AM MST | Areal Flood Advisory | FGZ | Apache, Navajo | 55 min |
| Jul 8, 11:57 AM MST | Severe Thunderstorm Warning | FGZ | Apache | 31 min |
| Jul 8, 12:26 PM MST | Areal Flood Advisory | FGZ | Apache, Gila, Navajo | 2 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.