Alert archive / Arizona / Excessive Heat Warnings in 2011
Excessive Heat Warning 3, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this excessive heat warning at Aug 27, 2011, 3:12 AM MST for Gila County, Yavapai County, Arizona. It took effect at Aug 27, 2011, 10:00 AM MST. It was in force for 10 hr. 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 27, 2011, 3:12 AM MST (10:12 UTC)
- In effect from
- Aug 27, 2011, 10:00 AM MST
- Expired
- Aug 27, 2011, 8:00 PM MST
- In force
- 10 hr
- Issued by
- NWS Flagstaff, AZ
Counties Gila County, AZ, Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 61 km from the middle of the area, began a volume at 10:14 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, 10.2 hours before the alert went out and 90 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
- 118 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 3614 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this excessive heat warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Flagstaff, AZ wrote its last area forecast discussion before this excessive heat warning went out at Aug 26, 8:53 PM MST, 6 hours 19 minutes earlier.
Area forecast discussion, Aug 26, 8:53 PM MST, 6 hours 19 minutes before
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</html>The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 6:16 PM MST | Areal Flood Advisory | FGZ | Gila | 3 hr |
| Aug 27, 12:32 PM MST | Areal Flood Advisory | FGZ | Yavapai | 3 hr |
| Aug 27, 1:30 PM MST | Areal Flood Advisory | FGZ | Coconino, Navajo | 4 hr |
| Aug 27, 2:12 PM MST | Special Weather Statement | FGZ | 48 min | |
| Aug 27, 2:50 PM MST | Areal Flood Advisory | FGZ | Navajo | 4 hr |
| Aug 27, 3:11 PM MST | Special Weather Statement | FGZ | 34 min | |
| Aug 27, 3:30 PM MST | Areal Flood Advisory | FGZ | Yavapai | 3 hr |
| Aug 27, 3:44 PM MST | Special Weather Statement | FGZ | Gila | 61 min |
| Aug 27, 4:29 PM MST | Special Weather Statement | FGZ | Gila | 61 min |
| Aug 27, 4:43 PM MST | Areal Flood Advisory | FGZ | Yavapai | 3 hr |
Nearby
Excessive Heat Warnings in Arizona, 2011Every excessive heat warning in 2011
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.