Alert archive / Arizona / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 45, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 6, 2008, 7:04 PM MST for Maricopa County, Arizona. It was in force for 56 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 6, 2008, 7:04 PM MST (02:04 UTC)
- Expired
- Aug 6, 2008, 8:00 PM MST
- In force
- 56 min
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
County Maricopa County, AZ
The radar
The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 02:06 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 00:00Z, 2.1 hours before the alert went out and 198 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
- 526 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 2068 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 9 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 Phoenix, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 6, 4:40 PM MST, 2 hours 24 minutes earlier.
Area forecast discussion, Aug 6, 4:40 PM MST, 2 hours 24 minutes before
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</html>Hazardous weather outlook, Aug 6, 5:56 AM MST, 13 hours 8 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
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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 7, 1:21 PM MST | Severe Thunderstorm Warning | PSR | Gila | 19 min |
| Aug 7, 4:20 PM MST | Dust Storm Warning | PSR | 100 min | |
| Aug 7, 2:09 PM MST | Areal Flood Advisory | PSR | Riverside | 111 min |
| Aug 7, 3:32 PM MST | Areal Flood Advisory | PSR | Imperial | 118 min |
| Aug 7, 3:58 PM MST | Severe Thunderstorm Warning | PSR | Imperial | 62 min |
| Aug 7, 4:16 PM MST | Severe Thunderstorm Warning | PSR | Imperial, Riverside | 59 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2008Every severe thunderstorm warning in 2008
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.