Alert archive / Arizona / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 153, NWS Tucson, AZ

August 15, 2022Cochise County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Aug 15, 2022, 2:11 PM MST for Cochise County, Arizona. It was in force for 49 min. 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 15, 2022, 2:11 PM MST (21:11 UTC)
Expired
Aug 15, 2022, 3:00 PM MST
In force
49 min
Issued by
NWS Tucson, AZ
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Cochise County, AZ

The radar

The Tucson radar (KEMX), 83 km from the middle of the area, began a volume at 21:12 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 (KTUS), launched 12:00Z, 9.2 hours before the alert went out and 113 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 12:00Z on 2022-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 640 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 12:00Z on 2022-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
640 J/kg
Mixed-layer CIN
-160 J/kg
Mixed-layer LCL
1312 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tucson, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 15, 2:05 PM MST, 6 minutes earlier.

Area forecast discussion, Aug 15, 2:05 PM MST, 6 minutes before
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In the hours before

Special weather statement, Aug 15, 12:30 PM MST, 1 hour 41 minutes before
Special Weather Statement
National Weather Service Tucson AZ
1230 PM MST Mon Aug 15 2022

AZZ503-507-513-152015-
Upper San Pedro River Valley including Sierra
Vista/Benson-Dragoon/Mule/Huachuca and Santa Rita Mountains including
Bisbee/Canelo Hills/Madera Canyon-Upper Santa Cruz River and Altar
Valleys including Nogales-
1230 PM MST Mon Aug 15 2022

...A strong thunderstorm will impact portions of southwestern Cochise
and southeastern Santa Cruz Counties through 115 PM MST...

At 1229 PM MST, Doppler radar was tracking a strong thunderstorm near
Parker Canyon Lake, or 13 miles west of Sierra Vista, moving
northwest at 10 mph.

HAZARD...Winds in excess of 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Elgin, Fort Huachuca, Parker Canyon Lake, Ramsey Canyon Preserve and
Canelo.

This includes Route 83 between mile markers 3 and 23.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3138 11027 3134 11051 3143 11060 3160 11066
      3164 11042
TIME...MOT...LOC 1929Z 138DEG 7KT 3148 11045

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

GLZ

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 14, 5:00 PM MSTAreal Flood AdvisoryTWCPima3 hr
Aug 14, 5:33 PM MSTDust Storm WarningTWCPinal42 min
Aug 14, 6:14 PM MSTDust Storm AdvisoryTWCPinal61 min
Aug 14, 6:35 PM MSTSpecial Weather StatementTWCPima40 min
Aug 14, 7:54 PM MSTAreal Flood AdvisoryTWCPima9 hr
Aug 14, 8:00 PM MSTAreal Flood AdvisoryTWCGraham3 hr
Aug 15, 12:30 PM MSTSpecial Weather StatementTWCSanta Cruz45 min
Aug 15, 12:34 PM MSTSevere Thunderstorm WarningTWCCochise, Santa Cruz41 min
Aug 15, 12:52 PM MSTAreal Flood AdvisoryTWCCochise, Santa Cruz113 min
Aug 15, 12:59 PM MSTAreal Flood AdvisoryTWCSanta Cruz2 hr
Aug 15, 1:20 PM MSTAreal Flood AdvisoryTWCSanta Cruz115 min
Aug 15, 1:32 PM MSTFlash Flood Warning Considerable damage threatTWCSanta Cruz3 hr
Aug 15, 1:36 PM MSTSevere Thunderstorm WarningTWCSanta Cruz39 min
Aug 15, 2:15 PM MSTAreal Flood AdvisoryTWCSanta Cruz2 hr
Aug 15, 3:08 PM MSTSpecial Weather StatementTWCCochise52 min
Aug 15, 3:48 PM MSTSpecial Weather StatementTWCCochise42 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2022Every severe thunderstorm warning in 2022

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.