Alert archive / Arizona / Flood Watches in 2022

Flood Watch 3, NWS Tucson, AZ

August 9, 20226 counties in Arizona

NWS Tucson, AZ issued this flood watch at Aug 9, 2022, 9:59 AM MST for 6 counties in Arizona. It took effect at Aug 9, 2022, 1:00 PM MST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Aug 9, 2022, 9:59 AM MST (16:59 UTC)
In effect from: Aug 9, 2022, 1:00 PM MST
Expired: Aug 10, 2022, 4:11 AM MST
In force: 15 hr
Issued by: NWS Tucson, AZ
Flood severity: None

Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 61 km from the middle of the area, began a volume at 17:03 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, 5.0 hours before the alert went out and 49 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: 32 J/kg
Mixed-layer CIN: -277 J/kg
Mixed-layer LCL: 1500 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 60 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 flood watch 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 flood watch went out at Aug 9, 2:25 AM MST, 7 hours 34 minutes earlier.

Area forecast discussion, Aug 9, 2:25 AM MST, 7 hours 34 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
Aug 8, 5:26 PM MST	Special Weather Statement	TWC	Cochise	49 min
Aug 8, 5:53 PM MST	Severe Thunderstorm Warning	TWC	Cochise	52 min
Aug 8, 6:04 PM MST	Areal Flood Advisory	TWC	Cochise	116 min
Aug 8, 6:10 PM MST	Areal Flood Advisory	TWC	Cochise	4 hr
Aug 8, 6:35 PM MST	Flash Flood Warning Considerable damage threat	TWC	Cochise	3 hr
Aug 8, 6:41 PM MST	Severe Thunderstorm Warning	TWC	Cochise	34 min
Aug 8, 7:22 PM MST	Areal Flood Advisory	TWC	Cochise	78 min
Aug 8, 7:55 PM MST	Special Weather Statement	TWC		50 min
Aug 8, 8:21 PM MST	Special Weather Statement	TWC	Cochise	39 min
Aug 8, 9:39 PM MST	Special Weather Statement	TWC		51 min
Aug 8, 9:46 PM MST	Areal Flood Advisory	TWC	Cochise	119 min
Aug 8, 9:49 PM MST	Special Weather Statement	TWC		41 min
Aug 8, 9:52 PM MST	Severe Thunderstorm Warning	TWC	Pinal	38 min
Aug 8, 10:13 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pinal	2 hr
Aug 8, 10:22 PM MST	Areal Flood Advisory	TWC	Pima	113 min
Aug 8, 10:30 PM MST	Areal Flood Warning	TWC	Pima	3 hr
Aug 8, 10:58 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	3 hr
Aug 9, 12:58 PM MST	Special Weather Statement	TWC	Pima	47 min
Aug 9, 1:01 PM MST	Special Weather Statement	TWC	Santa Cruz	29 min
Aug 9, 1:07 PM MST	Areal Flood Advisory	TWC	Cochise	3 hr
Aug 9, 1:32 PM MST	Areal Flood Advisory	TWC	Pima	118 min
Aug 9, 1:51 PM MST	Flash Flood Warning Considerable damage threat	TWC	Santa Cruz	92 min
Aug 9, 1:52 PM MST	Special Weather Statement	TWC	Santa Cruz	23 min
Aug 9, 1:56 PM MST	Special Weather Statement	TWC	Santa Cruz	49 min
Aug 9, 2:26 PM MST	Special Weather Statement	TWC	Pima	34 min
Aug 9, 2:30 PM MST	Areal Flood Advisory	TWC	Cochise	2 hr
Aug 9, 2:57 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	3 hr
Aug 9, 3:28 PM MST	Special Weather Statement	TWC		47 min
Aug 9, 3:33 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	42 min
Aug 9, 3:45 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	3 hr
Aug 9, 4:54 PM MST	Special Weather Statement	TWC	Cochise	51 min

Nearby

Flood Watches in Arizona, 2022 Every flood watch 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.