Alert archive / Arizona / Special Weather Statements in 2017
Special Weather Statement, NWS Tucson, AZ
NWS Tucson, AZ issued this special weather statement at Aug 3, 2017, 4:13 PM MST. It was in force for 47 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 3, 2017, 4:13 PM MST (23:13 UTC)
- Expired
- Aug 3, 2017, 5:00 PM MST
- In force
- 47 min
- Issued by
- NWS Tucson, AZ
The radar
The Tucson radar (KEMX), 86 km from the middle of the area, began a volume at 23:14 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
Tuscon, AZ (KDMA), launched 12:00Z, 11.2 hours before the alert went out and 47 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
- 975 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 1372 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
134 WWUS85 KTWC 032313 SPSTWC Special Weather Statement National Weather Service Tucson AZ 413 PM MST THU AUG 3 2017 AZZ504-040000- Tucson Metro Area including Tucson/Green Valley/Marana/Vail- 413 PM MST THU AUG 3 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL PIMA COUNTY UNTIL 500 PM MST... At 413 PM MST, Doppler radar was tracking a strong thunderstorm near Avra Valley, or 7 miles southwest of Marana, moving southeast at 15 mph. Wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Marana, Avra Valley, Tortolita and Picture Rocks. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. LAT...LON 3250 11146 3250 11123 3236 11105 3224 11133 TIME...MOT...LOC 2313Z 324DEG 14KT 3236 11129 $$ LEINS
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 6:48 PM MST | Special Weather Statement | TWC | Graham | 42 min |
| Aug 3, 1:07 PM MST | Special Weather Statement | TWC | Santa Cruz | 23 min |
| Aug 3, 1:39 PM MST | Areal Flood Advisory | TWC | Graham | 111 min |
| Aug 3, 2:10 PM MST | Special Weather Statement | TWC | 50 min | |
| Aug 3, 2:11 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Aug 3, 2:20 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 3 hr |
| Aug 3, 2:47 PM MST | Special Weather Statement | TWC | Cochise | 43 min |
| Aug 3, 3:03 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Aug 3, 3:18 PM MST | Special Weather Statement | TWC | Pinal | 42 min |
| Aug 3, 3:26 PM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 3, 3:45 PM MST | Areal Flood Advisory | TWC | Pinal | 3 hr |
| Aug 3, 4:07 PM MST | Special Weather Statement | TWC | Pinal | 53 min |
| Aug 3, 4:24 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
Nearby
Special Weather Statements in Arizona, 2017Every special weather statement in 2017
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.