Alert archive / Arizona / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 142, NWS Tucson, AZ

August 11, 2022Cochise County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Aug 11, 2022, 4:55 PM MST for Cochise County, Arizona. It was in force for 65 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 11, 2022, 4:55 PM MST (23:55 UTC)
Expired: Aug 11, 2022, 6:00 PM MST
In force: 65 min
Issued by: NWS Tucson, AZ
Area: Storm-based polygon
Hail: 1.0 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 23:58 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 12:00Z, 11.9 hours before the alert went out and 270 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 270 J/kg
Mixed-layer CIN: -240 J/kg
Mixed-layer LCL: 1536 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: -4 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 11, 2:22 PM MST, 2 hours 33 minutes earlier.

Area forecast discussion, Aug 11, 2:22 PM MST, 2 hours 33 minutes before

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In the hours before

Special weather statement, Aug 11, 2:55 PM MST, 2 hours before

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Special weather statement, Aug 11, 3:58 PM MST, 57 minutes before

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Special weather statement, Aug 11, 3:58 PM MST, 57 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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Special weather statement, Aug 11, 4:23 PM MST, 32 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 6:05 PM MST	Special Weather Statement	TWC		40 min
Aug 10, 6:15 PM MST	Flash Flood Warning Considerable damage threat	TWC	Santa Cruz	4 hr
Aug 10, 6:21 PM MST	Special Weather Statement	TWC	Graham	39 min
Aug 10, 6:54 PM MST	Dust Storm Advisory	TWC	Pinal	81 min
Aug 10, 6:56 PM MST	Special Weather Statement	TWC	Pinal	49 min
Aug 10, 6:59 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	46 min
Aug 10, 7:02 PM MST	Severe Thunderstorm Warning	TWC	Pinal	43 min
Aug 10, 7:03 PM MST	Special Weather Statement	TWC	Cochise	42 min
Aug 10, 7:20 PM MST	Severe Thunderstorm Warning	TWC	Cochise	40 min
Aug 10, 7:29 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pinal	3 hr
Aug 10, 7:40 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	3 hr
Aug 10, 7:41 PM MST	Severe Thunderstorm Warning	TWC	Pima	49 min
Aug 10, 7:50 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Santa Cruz	40 min
Aug 10, 7:54 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	3 hr
Aug 10, 8:03 PM MST	Special Weather Statement	TWC	Pinal	42 min
Aug 10, 8:36 PM MST	Areal Flood Advisory	TWC	Pima, Pinal	3 hr
Aug 10, 8:54 PM MST	Areal Flood Advisory	TWC	Pinal	3 hr
Aug 10, 10:42 PM MST	Special Weather Statement	TWC		48 min
Aug 11, 2:55 PM MST	Special Weather Statement	TWC		50 min
Aug 11, 3:58 PM MST	Special Weather Statement	TWC	Cochise	47 min
Aug 11, 3:58 PM MST	Special Weather Statement	TWC	Cochise	47 min
Aug 11, 4:03 PM MST	Severe Thunderstorm Warning	TWC	Cochise	25 min
Aug 11, 4:23 PM MST	Special Weather Statement	TWC	Cochise	52 min
Aug 11, 4:54 PM MST	Severe Thunderstorm Warning	TWC	Cochise	66 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2022 Every 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.