Alert archive / Arizona / Flash Flood Watches in 2018
Flash Flood Watch 4, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood watch at Aug 21, 2018, 3:22 AM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at Aug 21, 2018, 11:00 AM MST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Aug 21, 2018, 3:22 AM MST (10:22 UTC)
- In effect from
- Aug 21, 2018, 11:00 AM MST
- Expired
- Aug 21, 2018, 9:00 PM MST
- In force
- 10 hr
- Issued by
- NWS Flagstaff, AZ
- Flood severity
- None
Counties Apache County, AZ, Coconino County, AZ, Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 10:24 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 forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Flagstaff, AZ wrote its last area forecast discussion before this flash flood watch went out at Aug 20, 8:39 PM MST, 6 hours 43 minutes earlier.
Area forecast discussion, Aug 20, 8:39 PM MST, 6 hours 43 minutes before
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</html>The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 5:08 PM MST | Special Weather Statement | FGZ | Navajo | 37 min |
| Aug 20, 6:46 PM MST | Severe Thunderstorm Warning | FGZ | Navajo | 29 min |
| Aug 21, 8:37 AM MST | Special Weather Statement | FGZ | 38 min | |
| Aug 21, 8:58 AM MST | Areal Flood Advisory | FGZ | Yavapai | 2 hr |
| Aug 21, 9:16 AM MST | Special Weather Statement | FGZ | 44 min | |
| Aug 21, 9:59 AM MST | Special Weather Statement | FGZ | 46 min | |
| Aug 21, 10:12 AM MST | Special Weather Statement | FGZ | Coconino | 48 min |
| Aug 21, 10:44 AM MST | Special Weather Statement | FGZ | 46 min | |
| Aug 21, 11:05 AM MST | Flash Flood Warning | FGZ | Coconino | 3 hr |
| Aug 21, 11:13 AM MST | Severe Thunderstorm Warning | FGZ | Coconino | 35 min |
| Aug 21, 11:40 AM MST | Flash Flood Warning | FGZ | Coconino | 110 min |
| Aug 21, 11:46 AM MST | Special Weather Statement | FGZ | 29 min | |
| Aug 21, 12:00 PM MST | Severe Thunderstorm Warning | FGZ | Apache | 30 min |
| Aug 21, 12:15 PM MST | Severe Thunderstorm Warning | FGZ | Coconino | 45 min |
| Aug 21, 2:13 PM MST | Special Weather Statement | FGZ | 47 min | |
| Aug 21, 4:20 PM MST | Special Weather Statement | FGZ | Coconino | 40 min |
Nearby
Flash Flood Watches in Arizona, 2018Every flash flood watch in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.