Alert archive / Arizona / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 91, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 7, 2024, 1:16 AM MST for Maricopa County, Pinal County, Arizona. It was in force for 44 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
- Aug 7, 2024, 1:16 AM MST (08:16 UTC)
- Expired
- Aug 7, 2024, 2:00 AM MST
- In force
- 44 min
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Maricopa County, AZ, Pinal County, AZ
The radar
The Phoenix radar (KIWA), 29 km from the middle of the area, began a volume at 08:15 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 00:00Z, 8.3 hours before the alert went out and 34 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
- 3001 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 2158 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.4
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 Phoenix, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 6, 10:56 PM MST, 2 hours 20 minutes earlier.
Area forecast discussion, Aug 6, 10:56 PM MST, 2 hours 20 minutes before
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Special weather statement, Aug 6, 7:31 PM MST, 5 hours 45 minutes before
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</html>Special weather statement, Aug 6, 7:44 PM MST, 5 hours 32 minutes before
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</html>Special weather statement, Aug 6, 8:16 PM MST, 5 hours before
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</html>Special weather statement, Aug 6, 8:52 PM MST, 4 hours 24 minutes before
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</html>Special weather statement, Aug 6, 11:38 PM MST, 1 hour 38 minutes before
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</html>Special weather statement, Aug 7, 12:34 AM MST, 42 minutes before
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</html>The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 5:02 PM MST | Special Weather Statement | PSR | Gila | 43 min |
| Aug 6, 5:44 PM MST | Severe Thunderstorm Warning | PSR | Gila, Maricopa | 46 min |
| Aug 6, 6:15 PM MST | Special Weather Statement | PSR | Gila | 45 min |
| Aug 6, 6:32 PM MST | Dust Storm Warning | PSR | Pinal | 58 min |
| Aug 6, 7:20 PM MST | Dust Storm Warning | PSR | Maricopa, Pinal | 40 min |
| Aug 6, 7:28 PM MST | Dust Storm Warning | PSR | Maricopa, Pinal | 47 min |
| Aug 6, 7:31 PM MST | Special Weather Statement | PSR | Pinal | 44 min |
| Aug 6, 7:34 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 41 min |
| Aug 6, 7:37 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 38 min |
| Aug 6, 7:44 PM MST | Special Weather Statement | PSR | 46 min | |
| Aug 6, 8:01 PM MST | Dust Storm Advisory | PSR | Maricopa, Pinal | 44 min |
| Aug 6, 8:16 PM MST | Special Weather Statement | PSR | 44 min | |
| Aug 6, 8:52 PM MST | Special Weather Statement | PSR | Maricopa | 38 min |
| Aug 6, 9:01 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 44 min |
| Aug 6, 11:29 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 31 min |
| Aug 6, 11:38 PM MST | Special Weather Statement | PSR | Pinal | 37 min |
| Aug 6, 11:42 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 33 min |
| Aug 7, 12:34 AM MST | Special Weather Statement | PSR | Pinal | 86 min |
| Aug 7, 12:46 AM MST | Areal Flood Advisory | PSR | Pinal | 3 hr |
| Aug 7, 1:38 AM MST | Areal Flood Advisory | PSR | Maricopa, Pinal | 112 min |
| Aug 7, 1:56 AM MST | Flash Flood Warning | PSR | Maricopa | 3 hr |
| Aug 7, 2:24 PM MST | Severe Thunderstorm Warning | PSR | Gila | 51 min |
| Aug 7, 4:10 PM MST | Flash Flood Warning | PSR | Gila | 3 hr |
| Aug 7, 4:26 PM MST | Severe Thunderstorm Warning | PSR | Gila | 27 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.