Alert archive / Arizona / Dust Storm Warnings in 2021
Dust Storm Warning 3, NWS Tucson, AZ
NWS Tucson, AZ issued this dust storm warning at Jul 10, 2021, 7:07 PM MST for Pima County, Pinal County, Arizona. It was in force for 83 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 10, 2021, 7:07 PM MST (02:07 UTC)
- Expired
- Jul 10, 2021, 8:30 PM MST
- In force
- 83 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
Counties Pima County, AZ, Pinal County, AZ
The radar
The Tucson radar (KEMX), 82 km from the middle of the area, began a volume at 02:09 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 7:23 PM MST | TSTM WND DMG | 3 Wnw Tucson, AZ | LARGE TREE DOWN. |
| Jul 10, 7:53 PM MST | TSTM WND DMG | 2 E Tucson, AZ | LARGE PALO VERDE TREE DOWN BLOCKING 2 LANES. |
| Jul 10, 7:58 PM MST | TSTM WND GST 64 | 2 Se Tucson, AZ | ASOS STATION KDMA DAVIS MONTHAN AFB. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 2.1 hours before the alert went out and 42 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
- 1025 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 3304 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
136
WWUS55 KTWC 110207
DSWTWC
BULLETIN - EAS ACTIVATION REQUESTED
Dust Storm Warning
National Weather Service Tucson AZ
707 PM MST Sat Jul 10 2021
AZC019-021-110330-
/O.NEW.KTWC.DS.W.0003.210711T0207Z-210711T0330Z/
Pima-Pinal-
707 PM MST Sat Jul 10 2021
The National Weather Service in Tucson has issued a
* Dust Storm Warning for...
Northeastern Pima County in southeastern Arizona...
South central Pinal County in southeastern Arizona...
* Until 830 PM MST.
* At 706 PM MST, a dust storm was near Tucson, moving west to
northwest at 30 mph.
HAZARD...Less than a quarter mile visibility with strong wind in
excess of 40 mph.
SOURCE...Detected by National Weather Service meteorologists.
IMPACT...Dangerous life-threatening travel.
* This includes the following highways...
Interstate 10 between mile markers 219 and 265.
Interstate 19 near mile marker 63.
Route 77 between mile markers 70 and 95.
Route 79 between mile markers 92 and 102.
Locations impacted include...
Tucson, Catalina, Oro Valley, Marana, Davis-Monthan Air Force Base,
Casas Adobes, Flowing Wells, Saddlebrooke, South Tucson, Avra Valley,
Tortolita, Picacho Peak State Park, Catalina State Park, Saguaro
National Park West, Catalina Foothills, Picture Rocks, Red Rock, Dove
Mountain, Oracle Junction and Silver Bell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!
Strong to severe thunderstorms are also possible behind this dust
channel. Keep updated with this quickly evolving situation.
&&
A Severe Thunderstorm Watch remains in effect until midnight MST for
southeastern Arizona.
LAT...LON 3263 11088 3213 11084 3240 11161 3274 11136
TIME...MOT...LOC 0206Z 095DEG 13KT 3225 11097
$$
GLThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 5:10 PM MST | Flash Flood Warning | TWC | Cochise | 2 hr |
| Jul 10, 5:14 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Graham | 61 min |
| Jul 10, 5:15 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 45 min |
| Jul 10, 5:23 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 52 min |
| Jul 10, 5:30 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 60 min |
| Jul 10, 5:42 PM MST | Flash Flood Warning | TWC | Santa Cruz | 2 hr |
| Jul 10, 5:46 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima, Santa Cruz | 59 min |
| Jul 10, 6:05 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 40 min |
| Jul 10, 6:13 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Graham | 26 min |
| Jul 10, 6:22 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 53 min |
| Jul 10, 6:50 PM MST | Special Weather Statement | TWC | 25 min | |
| Jul 10, 6:57 PM MST | Dust Storm Warning | TWC | Pima, Santa Cruz | 63 min |
| Jul 10, 6:57 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 48 min |
| Jul 10, 7:06 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 39 min |
| Jul 10, 7:14 PM MST | Severe Thunderstorm Warning | TWC | Pima | 61 min |
| Jul 10, 7:29 PM MST | Flash Flood Warning | TWC | Cochise, Pima | 2 hr |
| Jul 10, 7:35 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 55 min |
| Jul 10, 8:00 PM MST | Dust Storm Warning | TWC | Pima, Pinal | 86 min |
| Jul 10, 8:06 PM MST | Severe Thunderstorm Warning | TWC | Pima | 39 min |
| Jul 10, 8:12 PM MST | Severe Thunderstorm Warning | TWC | Pima | 48 min |
| Jul 10, 8:22 PM MST | Flash Flood Warning | TWC | Pima | 113 min |
| Jul 10, 8:29 PM MST | Severe Thunderstorm Warning | TWC | Pima | 61 min |
| Jul 10, 8:40 PM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 66 min |
| Jul 10, 8:41 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Jul 10, 8:48 PM MST | Areal Flood Advisory | TWC | Pima | 117 min |
| Jul 10, 8:51 PM MST | Areal Flood Advisory | TWC | Pima | 114 min |
| Jul 10, 8:51 PM MST | Tornado Warning | TWC | Pima | 14 min |
| Jul 10, 9:45 PM MST | Special Weather Statement | TWC | 60 min | |
| Jul 10, 10:03 PM MST | Severe Thunderstorm Warning | TWC | Pima | 42 min |
| Jul 10, 10:20 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 3 hr |
| Jul 10, 10:36 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 11, 4:12 PM MST | Special Weather Statement | TWC | Greenlee | 33 min |
| Jul 11, 4:44 PM MST | Special Weather Statement | TWC | Greenlee | 46 min |
Nearby
Dust Storm Warnings in Arizona, 2021Every dust storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.