Alert archive / Arizona / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 149, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 20, 2024, 1:06 PM MST for Santa Cruz County, Arizona. It was in force for 39 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 20, 2024, 1:06 PM MST (20:06 UTC)
- Expired
- Jul 20, 2024, 1:45 PM MST
- In force
- 39 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
County Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 46 km from the middle of the area, began a volume at 20:08 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
Tuscon, AZ (KTUS), launched 12:00Z, 8.1 hours before the alert went out and 72 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.
- Mixed-layer CAPE
- 458 J/kg
- Mixed-layer CIN
- -273 J/kg
- Mixed-layer LCL
- 2374 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tucson, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 20, 8:54 AM MST, 4 hours 12 minutes earlier.
Area forecast discussion, Jul 20, 8:54 AM MST, 4 hours 12 minutes before
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</html>The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 5:02 PM MST | Areal Flood Advisory | TWC | Pima | 77 min |
| Jul 19, 5:13 PM MST | Dust Storm Advisory | TWC | Cochise | 62 min |
| Jul 19, 7:00 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 19, 7:20 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Jul 19, 7:34 PM MST | Areal Flood Advisory | TWC | Pima | 116 min |
| Jul 20, 2:28 PM MST | Dust Storm Advisory | TWC | Cochise | 92 min |
| Jul 20, 3:19 PM MST | Areal Flood Advisory | TWC | Cochise | 102 min |
| Jul 20, 3:55 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 50 min |
| Jul 20, 4:00 PM MST | Dust Storm Advisory | TWC | Cochise | 90 min |
| Jul 20, 4:23 PM MST | Dust Storm Warning | TWC | Pima | 52 min |
| Jul 20, 4:25 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima, Santa Cruz | 50 min |
| Jul 20, 4:34 PM MST | Areal Flood Advisory | TWC | Cochise | 116 min |
| Jul 20, 4:35 PM MST | Severe Thunderstorm Warning | TWC | Graham, Pinal | 40 min |
| Jul 20, 4:43 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 3 hr |
| Jul 20, 4:43 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 47 min |
| Jul 20, 4:53 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 52 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2024Every 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.