Alert archive / Arizona / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 609
The Storm Prediction Center issued this severe thunderstorm watch at Aug 16, 2007, 4:07 PM MST for Maricopa County, Pinal County, Arizona. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2007, 4:07 PM MST (23:07 UTC)
- Expired
- Aug 16, 2007, 7:33 PM MST
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 70 kt
Counties Maricopa County, AZ, Pinal County, AZ
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 5:43 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 47 min |
| Aug 16, 6:16 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 29 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 3:42 PM MST | Mesoscale Discussion | SPC | Maricopa, Pinal | 63 min |
Nearby
Severe Thunderstorm Watches in Arizona, 2007Every severe thunderstorm watch in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.