Alert archive / Arizona / Flash Flood Warnings in 2019

Flash Flood Warning 68, NWS Flagstaff, AZ

November 20, 2019Gila County, Yavapai County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Nov 20, 2019, 2:48 PM MST for Gila County, 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 counties it named.

The facts

Issued: Nov 20, 2019, 2:48 PM MST (21:48 UTC)
Expired: Nov 20, 2019, 5:45 PM MST
In force: 3 hr
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon
Flood severity: None

Counties Gila County, AZ, Yavapai County, AZ

The radar

The Flagstaff radar (KFSX), 61 km from the middle of the area, began a volume at 21:49 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 warning 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 warning went out at Nov 20, 9:55 AM MST, 4 hours 53 minutes earlier.

Area forecast discussion, Nov 20, 9:55 AM MST, 4 hours 53 minutes before

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In the hours before

Special weather statement, Nov 20, 1:36 PM MST, 1 hour 12 minutes before

Special Weather Statement
National Weather Service Flagstaff AZ
136 PM MST Wed Nov 20 2019

AZZ008-018-037-202100-
Yavapai County Valleys and Basins-Northern Gila County-Yavapai County
Mountains-
136 PM MST Wed Nov 20 2019

...SIGNIFICANT WEATHER ADVISORY FOR GILA AND YAVAPAI COUNTIES UNTIL
200 PM MST...

At 135 PM MST, Doppler radar was tracking a strong thunderstorm 8
miles northwest of Camp Creek, or 12 miles east of New River, moving
north at 30 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

This storm will remain over mainly rural areas of Gila and Yavapai
Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall is also occurring with this storm, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3403 11203 3439 11193 3431 11162 3401 11178
TIME...MOT...LOC 2035Z 197DEG 25KT 3399 11192

MAS

The office that day

Everything else NWS Flagstaff, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 20, 12:25 AM MST	Flash Flood Watch	FGZ	Coconino, Gila, Yavapai	36 hr
Nov 20, 1:36 PM MST	Special Weather Statement	FGZ		24 min
Nov 20, 2:26 PM MST	Areal Flood Advisory	FGZ	Coconino, Gila, Navajo, Yavapai	3 hr
Nov 20, 4:08 PM MST	Special Weather Statement	FGZ	Yavapai	37 min

Nearby

Flash Flood Warnings in Arizona, 2019 Every flash flood warning in 2019

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.