Alert archive / Arizona / Flash Flood Watches in 2014
Flash Flood Watch 1, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood watch at Jul 12, 2014, 3:25 AM MST for 4 counties in Arizona. It took effect at Jul 12, 2014, 2:00 PM MST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jul 12, 2014, 3:25 AM MST (10:25 UTC)
- In effect from
- Jul 12, 2014, 2:00 PM MST
- Expired
- Jul 12, 2014, 10:00 PM MST
- In force
- 8 hr
- Issued by
- NWS Tucson, AZ
- Flood severity
- None
Counties Cochise County, AZ, Graham County, AZ, Pima County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 25 km from the middle of the area, began a volume at 10:25 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 00:00Z, 10.4 hours before the alert went out and 32 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
- 268 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 2717 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -84 m²/s²
- 0-3 km storm-relative helicity
- -38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash 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 flash flood watch went out at Jul 12, 3:15 AM MST, 10 minutes earlier.
Area forecast discussion, Jul 12, 3:15 AM MST, 10 minutes before
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Local storm report, Jul 11, 9:33 PM MST, 5 hours 52 minutes before
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</html>The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 5:21 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 114 min |
| Jul 11, 6:50 PM MST | Areal Flood Advisory | TWC | Cochise | 115 min |
| Jul 11, 7:44 PM MST | Flash Flood Warning | TWC | Cochise | 91 min |
| Jul 11, 8:33 PM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 87 min |
| Jul 11, 9:16 PM MST | Flash Flood Warning | TWC | Cochise | 59 min |
| Jul 11, 10:01 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 12, 3:37 AM MST | Blowing Dust Advisory | TWC | Pima, Pinal | 16 hr |
| Jul 12, 1:58 PM MST | Special Weather Statement | TWC | 32 min |
Nearby
Flash Flood Watches in Arizona, 2014Every flash flood watch in 2014
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.