Alert archive / Arizona / Special Weather Statements in 2021
Special Weather Statement, NWS Tucson, AZ
NWS Tucson, AZ issued this special weather statement at Aug 6, 2021, 2:51 PM MST for Santa Cruz County, Arizona. It was in force for 24 min. 1 report 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
- Aug 6, 2021, 2:51 PM MST (21:51 UTC)
- Expired
- Aug 6, 2021, 3:15 PM MST
- In force
- 24 min
- Issued by
- NWS Tucson, AZ
- Hail
- 0.00 in
- Wind
- 40
County Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 63 km from the middle of the area, began a volume at 21:52 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 |
|---|---|---|---|
| Aug 6, 3:08 PM MST | HAIL 1 | 5 Sw Rio Rico, AZ | TRAINED SPOTTER REPORTS QUARTER SIZE HAIL. |
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 12:00Z, 9.9 hours before the alert went out and 82 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
- 1100 J/kg
- Mixed-layer CIN
- -195 J/kg
- Mixed-layer LCL
- 1879 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
714
WWUS85 KTWC 062151
SPSTWC
Special Weather Statement
National Weather Service Tucson AZ
251 PM MST Fri Aug 6 2021
AZZ503-513-062215-
Dragoon/Mule/Huachuca and Santa Rita Mountains including
Bisbee/Canelo Hills/Madera Canyon-Upper Santa Cruz River and Altar
Valleys including Nogales-
251 PM MST Fri Aug 6 2021
...A strong thunderstorm will impact portions of central Santa Cruz
County through 315 PM MST...
At 250 PM MST, Doppler radar was tracking a strong thunderstorm near
Rio Rico, or near Nogales, moving west at 10 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Nogales, Tubac, Rio Rico, Nogales International Airport, Patagonia
Lake State Park, Tumacacori, Amado and Pena Blanca Lake.
This includes the following highways...
Interstate 19 between mile markers 1 and 26.
Route 82 between mile markers 1 and 15.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3134 11109 3137 11120 3167 11110 3169 11078
3133 11082 3133 11108
TIME...MOT...LOC 2150Z 092DEG 8KT 3142 11096
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
RHThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 5:21 PM MST | Special Weather Statement | TWC | Pima | 39 min |
| Aug 6, 12:52 PM MST | Special Weather Statement | TWC | Santa Cruz | 38 min |
| Aug 6, 1:16 PM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 3 hr |
| Aug 6, 1:26 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 34 min |
| Aug 6, 1:58 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 47 min |
| Aug 6, 2:05 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 115 min |
| Aug 6, 2:29 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 31 min |
| Aug 6, 2:36 PM MST | Special Weather Statement | TWC | Pima | 24 min |
| Aug 6, 2:43 PM MST | Areal Flood Advisory | TWC | Graham | 2 hr |
| Aug 6, 2:46 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Graham | 44 min |
| Aug 6, 2:57 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 33 min |
| Aug 6, 3:00 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 2 hr |
| Aug 6, 3:10 PM MST | Flash Flood Warning | TWC | Santa Cruz | 3 hr |
| Aug 6, 3:16 PM MST | Areal Flood Advisory | TWC | Pima | 119 min |
| Aug 6, 3:26 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Aug 6, 3:31 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 29 min |
| Aug 6, 3:40 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Aug 6, 3:46 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 29 min |
| Aug 6, 3:57 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 4 hr |
| Aug 6, 3:59 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 46 min |
| Aug 6, 4:12 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Aug 6, 4:19 PM MST | Areal Flood Advisory | TWC | Cochise | 116 min |
| Aug 6, 4:55 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Aug 6, 4:58 PM MST | Special Weather Statement | TWC | Pima | 32 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.