Alert archive / Arizona / Flash Flood Warnings in 2024

Flash Flood Warning 8, NWS Flagstaff, AZ

June 24, 2024Gila County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Jun 24, 2024, 3:04 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
Jun 24, 2024, 3:04 PM MST (22:04 UTC)
Expired
Jun 24, 2024, 6:15 PM MST
In force
3 hr
Issued by
NWS Flagstaff, AZ
Area
Storm-based polygon
Damage threat
Considerable
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 22:03 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, 10.1 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-pSkew-T log-p diagram, Phoenix, AZ at 12:00Z on 2024-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phoenix, AZ at 12:00Z on 2024-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2333 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
-10 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 Jun 24, 2:25 PM MST, 39 minutes earlier.

Area forecast discussion, Jun 24, 2:25 PM MST, 39 minutes before
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In the hours before

Special weather statement, Jun 24, 11:17 AM MST, 3 hours 47 minutes before
Special Weather Statement
National Weather Service Flagstaff AZ
1117 AM MST Mon Jun 24 2024

AZZ008-037-241845-
Yavapai County Valleys and Basins-Yavapai County Mountains-
1117 AM MST Mon Jun 24 2024

...A STRONG THUNDERSTORM WILL IMPACT YAVAPAI COUNTY NEAR
PRESCOTT THROUGH 1145 AM MST...

At 1116 AM MST, Doppler radar was tracking a strong thunderstorm over
Prescott Gateway Mall, or near Prescott, moving east at 5 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Prescott Valley, Prescott, Glassford Hill, Thumbe Butte, Antelope
Park, Rancho Vista Estates, Prescott Airport, Willow Creek
Reservoir, Granite Creek Park, Prescott Gateway Mall, Prescott Mall,
Wildwood Estates, Fain Lake, Lynx Lake, Goldwater Lake, Watson Lake,
Groom Creek Subdivision, and Groom Creek.

This includes the following highways...
 State Route 89 between mile markers 307 and 321.
 State Route 89A between mile markers 318 and 325.
 State Route 69 between mile markers 277 and 279, and between mile
markers 285 and 296.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3446 11249 3460 11254 3472 11233 3447 11223
TIME...MOT...LOC 1816Z 249DEG 6KT 3454 11243

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

MCT
Special weather statement, Jun 24, 2:22 PM MST, 42 minutes before
Special Weather Statement
National Weather Service Flagstaff AZ
222 PM MST Mon Jun 24 2024

AZZ007-242145-
Coconino Plateau-
222 PM MST Mon Jun 24 2024

...A STRONG THUNDERSTORM WILL IMPACT COCONINO COUNTY
SOUTHEAST OF FRAZIERS WELL THROUGH 245 PM MST...

At 221 PM MST, Doppler radar was tracking a strong thunderstorm near
Rose Well, or 61 miles southwest of Desert View at Grand Canyon. This
thunderstorm was nearly stationary.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Rose Well.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3558 11285 3571 11295 3585 11277 3566 11262
TIME...MOT...LOC 2121Z 239DEG 2KT 3568 11283

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

MCT
Special weather statement, Jun 24, 2:29 PM MST, 35 minutes before
Special Weather Statement
National Weather Service Flagstaff AZ
229 PM MST Mon Jun 24 2024

AZZ016-018-242200-
Northern Gila County-Eastern Mogollon Rim-
229 PM MST Mon Jun 24 2024

...A STRONG THUNDERSTORM WILL IMPACT GILA AND NAVAJO COUNTIES
SOUTH OF YOUNG THROUGH 300 PM MST...

At 229 PM MST, Doppler radar was tracking a strong thunderstorm near
Pendleton Mesa, or 24 miles northeast of Roosevelt, moving southeast
at 20 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Pendleton Mesa, Brushy Top Mountain, Lookout Point, McFadden Peak,
Pine Mountain, Reynolds Creek CG, Buck Mountain, Buck Peak, Aztec
Peak, and Reynolds Creek Group Campground.

This includes State Route 288 between mile markers 286 and 306.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 3393 11111 3411 11098 3400 11068 3379 11083
TIME...MOT...LOC 2129Z 300DEG 17KT 3398 11093

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

MCT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 8:40 PM MSTFlash Flood Warning Considerable damage threatFGZYavapai3 hr
Jun 24, 11:17 AM MSTSpecial Weather StatementFGZYavapai28 min
Jun 24, 1:50 PM MSTFlash Flood Warning Considerable damage threatFGZCoconino, Gila3 hr
Jun 24, 2:22 PM MSTSpecial Weather StatementFGZ23 min
Jun 24, 2:29 PM MSTSpecial Weather StatementFGZGila31 min
Jun 24, 3:14 PM MSTSpecial Weather StatementFGZYavapai31 min
Jun 24, 3:19 PM MSTSpecial Weather StatementFGZYavapai26 min
Jun 24, 4:16 PM MSTAreal Flood AdvisoryFGZYavapai3 hr
Jun 24, 4:30 PM MSTSpecial Weather StatementFGZ30 min

Nearby

Flash Flood Warnings in Arizona, 2024Every flash flood warning in 2024

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.