Alert archive / Arizona / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 28, NWS Flagstaff, AZ

July 2, 2024Apache County, Arizona

NWS Flagstaff, AZ issued this severe thunderstorm warning at Jul 2, 2024, 1:34 PM MST for Apache County, Arizona. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 2, 2024, 1:34 PM MST (20:34 UTC)
Expired: Jul 2, 2024, 2:15 PM MST
In force: 41 min
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Apache County, AZ

The radar

The Flagstaff radar (KFSX), 181 km from the middle of the area, began a volume at 20:33 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

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 8.6 hours before the alert went out and 265 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: 21 J/kg
Mixed-layer CIN: -290 J/kg
Mixed-layer LCL: 1527 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 5:20 PM MST	Special Weather Statement	FGZ		25 min
Jul 1, 9:21 PM MST	Special Weather Statement	FGZ		39 min
Jul 2, 12:41 AM MST	Flash Flood Warning Considerable damage threat	FGZ	Apache	3 hr
Jul 2, 11:38 AM MST	Special Weather Statement	FGZ		22 min
Jul 2, 12:27 PM MST	Special Weather Statement	FGZ		33 min
Jul 2, 1:08 PM MST	Excessive Heat Watch	FGZ	Coconino, Yavapai	13 hr
Jul 2, 1:09 PM MST	Special Weather Statement	FGZ		36 min
Jul 2, 2:20 PM MST	Special Weather Statement	FGZ		25 min
Jul 2, 4:41 PM MST	Severe Thunderstorm Warning	FGZ	Gila	34 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2024 Every severe thunderstorm 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.