Alert archive / Arizona / Special Weather Statements in 2021
Special Weather Statement, NWS Phoenix, AZ
NWS Phoenix, AZ issued this special weather statement at Aug 8, 2021, 5:37 PM MST for La Paz County, Arizona. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2021, 5:37 PM MST (00:37 UTC)
- Expired
- Aug 8, 2021, 6:15 PM MST
- In force
- 38 min
- Issued by
- NWS Phoenix, AZ
- Hail
- 0.00 in
- Wind
- 40
County La Paz County, AZ
The radar
The Yuma radar (KYUX), 144 km from the middle of the area, began a volume at 00:38 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, 0.6 hours before the alert went out and 172 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
- 178 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 3240 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
426
WWUS85 KPSR 090037
SPSPSR
Special Weather Statement
National Weather Service Phoenix AZ
537 PM MST Sun Aug 8 2021
AZZ533-090115-
Central La Paz AZ-
537 PM MST Sun Aug 8 2021
...A strong thunderstorm will impact portions of east central La Paz
County through 615 PM MST...
At 535 PM MST, Doppler radar was tracking a strong thunderstorm 10
miles southeast of Brenda, or 46 miles southeast of Parker, moving
northeast at 10 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could make driving difficult. It may create
suddendly reduced visibility due to blowing dust.
Locations impacted include...
Vicksburg, Brenda and Vicksburg Junction.
This includes the following highways...
AZ Interstate 10 between mile markers 33 and 59.
US Highway 60 between mile markers 33 and 52.
AZ Route 72 between mile markers 45 and 49.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3343 11394 3369 11399 3379 11370 3358 11352
TIME...MOT...LOC 0035Z 237DEG 8KT 3358 11381
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
AJThe office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 6:06 PM MST | Areal Flood Advisory | PSR | La Paz | 3 hr |
| Aug 8, 6:21 PM MST | Dust Storm Advisory | PSR | La Paz, Maricopa | 54 min |
| Aug 8, 6:28 PM MST | Flash Flood Warning | PSR | La Paz | 4 hr |
| Aug 8, 6:46 PM MST | Special Weather Statement | PSR | La Paz | 44 min |
| Aug 8, 7:51 PM MST | Areal Flood Advisory | PSR | La Paz | 114 min |
| Aug 9, 6:20 AM MST | Special Weather Statement | PSR | Pinal | 55 min |
| Aug 9, 7:56 AM MST | Areal Flood Advisory | PSR | Pinal | 3 hr |
| Aug 9, 2:57 PM MST | Areal Flood Advisory | PSR | La Paz | 3 hr |
| Aug 9, 3:32 PM MST | Special Weather Statement | PSR | La Paz | 43 min |
| Aug 9, 4:11 PM MST | Special Weather Statement | PSR | 49 min | |
| Aug 9, 4:30 PM MST | Flash Flood Warning | PSR | La Paz | 4 hr |
| Aug 9, 1:44 PM MST | Areal Flood Advisory | PSR | Riverside, San Bernardino | 3 hr |
| Aug 9, 2:38 PM MST | Flash Flood Warning | PSR | Riverside, San Bernardino | 3 hr |
| Aug 9, 3:26 PM MST | Areal Flood Advisory | PSR | Riverside | 3 hr |
Nearby
Special Weather Statements in Arizona, 2021Every special weather statement in 2021
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.