Alert archive / Arizona / Special Weather Statements in 2021

Special Weather Statement, NWS Tucson, AZ

September 26, 2021Santa Cruz County, Arizona

NWS Tucson, AZ issued this special weather statement at Sep 26, 2021, 3:43 PM MST for Santa Cruz County, Arizona. 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: Sep 26, 2021, 3:43 PM MST (22:43 UTC)
Expired: Sep 26, 2021, 4:30 PM MST
In force: 47 min
Issued by: NWS Tucson, AZ
Hail: 0.88 in
Wind: 40

County Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 34 km from the middle of the area, began a volume at 22:42 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, 10.7 hours before the alert went out and 24 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: 252 J/kg
Mixed-layer CIN: -123 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Sep 26, 2:01 PM MST, 1 hour 42 minutes earlier.

Area forecast discussion, Sep 26, 2:01 PM MST, 1 hour 42 minutes before

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In the hours before

Special weather statement, Sep 26, 12:44 PM MST, 2 hours 59 minutes before

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Special weather statement, Sep 26, 12:58 PM MST, 2 hours 45 minutes before

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Special weather statement, Sep 26, 1:21 PM MST, 2 hours 22 minutes before

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Local storm report, Sep 26, 1:29 PM MST, 2 hours 14 minutes before

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Special weather statement, Sep 26, 2:18 PM MST, 1 hour 25 minutes before

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Special weather statement, Sep 26, 3:43 PM MST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 25, 5:03 PM MST	Areal Flood Advisory	TWC	Cochise	3 hr
Sep 25, 6:27 PM MST	Areal Flood Advisory	TWC	Cochise, Graham, Pima, Pinal	3 hr
Sep 25, 6:46 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	3 hr
Sep 25, 7:17 PM MST	Areal Flood Advisory	TWC	Pima	3 hr
Sep 26, 11:51 AM MST	Special Weather Statement	TWC	Cochise	39 min
Sep 26, 11:57 AM MST	Severe Thunderstorm Warning	TWC	Cochise	28 min
Sep 26, 12:20 PM MST	Special Weather Statement	TWC		40 min
Sep 26, 12:44 PM MST	Special Weather Statement	TWC	Santa Cruz	46 min
Sep 26, 12:58 PM MST	Special Weather Statement	TWC	Cochise	47 min
Sep 26, 1:21 PM MST	Special Weather Statement	TWC		39 min
Sep 26, 1:40 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	50 min
Sep 26, 2:18 PM MST	Special Weather Statement	TWC	Santa Cruz	42 min
Sep 26, 2:33 PM MST	Areal Flood Advisory	TWC	Pima, Santa Cruz	104 min
Sep 26, 2:56 PM MST	Severe Thunderstorm Warning	TWC	Pima	49 min
Sep 26, 4:24 PM MST	Special Weather Statement	TWC	Pima	51 min

Nearby

Special Weather Statements in Arizona, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.