Alert archive / Arizona / Flash Flood Warnings in 2019

Flash Flood Warning 43, NWS Flagstaff, AZ

August 5, 2019Gila County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Aug 5, 2019, 1:53 PM MST for Gila 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: Aug 5, 2019, 1:53 PM MST (20:53 UTC)
Expired: Aug 5, 2019, 4:45 PM MST
In force: 3 hr
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon
Flood severity: None

County Gila County, AZ

The radar

The Flagstaff radar (KFSX), 93 km from the middle of the area, began a volume at 20:57 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

Phoenix, AZ (KPSR), launched 12:00Z, 8.9 hours before the alert went out and 115 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 289 J/kg
Mixed-layer CIN: -297 J/kg
Mixed-layer LCL: 3036 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Aug 5, 9:21 AM MST, 4 hours 32 minutes earlier.

Area forecast discussion, Aug 5, 9:21 AM MST, 4 hours 32 minutes before

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In the hours before

Special weather statement, Aug 5, 12:14 PM MST, 1 hour 39 minutes before

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Special weather statement, Aug 5, 12:32 PM MST, 1 hour 21 minutes before

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Special weather statement, Aug 5, 1:04 PM MST, 49 minutes before

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Special weather statement, Aug 5, 1:16 PM MST, 37 minutes before

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Special weather statement, Aug 5, 1:21 PM MST, 32 minutes before

Special Weather Statement
National Weather Service Flagstaff AZ
121 PM MST Mon Aug 5 2019

AZZ015-037-038-052100-
Yavapai County Valleys and Basins-Western Mogollon Rim-Oak Creek and
Sycamore Canyons-
121 PM MST Mon Aug 5 2019

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

At 120 PM MST, Doppler radar was several strong thunderstorms along
a line extending from near Kachina Village to near Junipine Resort.
These storms were nearly stationary.

Nickel size hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
 Sedona, Munds Park, Junipine Resort, Garland's Oak Creek Lodge,
Kachina Village, Slide Rock State Park, Mountainaire, West Fork Of
Oak Creek, Cave Springs Campground, Pine Flat Campground, Manzanita
Campground, Sterling Fish Hatchery, Lower Lake Mary, Canyon Vista
Campground and Upper Lake Mary.

LAT...LON 3513 11150 3476 11172 3496 11194 3520 11180
TIME...MOT...LOC 2020Z 302DEG 4KT 3511 11178 3500 11184

JDS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 12:14 PM MST	Special Weather Statement	FGZ		46 min
Aug 5, 12:32 PM MST	Special Weather Statement	FGZ		43 min
Aug 5, 1:04 PM MST	Special Weather Statement	FGZ		41 min
Aug 5, 1:16 PM MST	Special Weather Statement	FGZ	Yavapai	44 min
Aug 5, 1:21 PM MST	Special Weather Statement	FGZ		39 min
Aug 5, 1:58 PM MST	Severe Thunderstorm Warning	FGZ	Gila	47 min
Aug 5, 2:48 PM MST	Special Weather Statement	FGZ		42 min
Aug 5, 2:58 PM MST	Special Weather Statement	FGZ		47 min
Aug 5, 3:48 PM MST	Special Weather Statement	FGZ	Navajo	27 min
Aug 5, 4:02 PM MST	Special Weather Statement	FGZ		28 min
Aug 5, 4:12 PM MST	Special Weather Statement	FGZ	Yavapai	18 min
Aug 5, 4:27 PM MST	Flash Flood Warning	FGZ	Yavapai	3 hr
Aug 5, 4:32 PM MST	Flash Flood Warning	FGZ	Yavapai	3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.