Alert archive / Arizona / Areal Flood Warnings in 2014

Areal Flood Warning 2, NWS Tucson, AZ

September 8, 2014Pima County, Arizona

NWS Tucson, AZ issued this areal flood warning at Sep 8, 2014, 2:45 PM MST for Pima County, Arizona. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 8, 2014, 2:45 PM MST (21:45 UTC)
Expired: Sep 8, 2014, 8:45 PM MST
In force: 6 hr
Issued by: NWS Tucson, AZ
Area: Storm-based polygon
Flood severity: None

County Pima County, AZ

The radar

The Tucson radar (KEMX), 112 km from the middle of the area, began a volume at 21:48 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 12:00Z, 9.8 hours before the alert went out and 84 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: 1182 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 30 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 areal flood 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 areal flood warning went out at Sep 8, 9:45 AM MST, 5 hours earlier.

Area forecast discussion, Sep 8, 9:45 AM MST, 5 hours before

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In the hours before

Local storm report, Sep 8, 9:48 AM MST, 4 hours 57 minutes before

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Local storm report, Sep 8, 10:12 AM MST, 4 hours 33 minutes before

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Local storm report, Sep 8, 10:18 AM MST, 4 hours 27 minutes before

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Local storm report, Sep 8, 10:29 AM MST, 4 hours 16 minutes before

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Local storm report, Sep 8, 1:31 PM MST, 1 hour 14 minutes before

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Local storm report, Sep 8, 1:35 PM MST, 1 hour 10 minutes before

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      <p id="message1">
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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 7, 7:21 PM MST	Areal Flood Advisory	TWC	Pima	84 min
Sep 7, 8:37 PM MST	Flash Flood Watch	TWC	Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz	21 hr
Sep 8, 7:31 AM MST	Areal Flood Advisory	TWC	Pinal	3 hr
Sep 8, 8:47 AM MST	Areal Flood Advisory	TWC	Pima, Pinal	3 hr
Sep 8, 8:58 AM MST	Flash Flood Warning	TWC	Pima	2 hr
Sep 8, 9:05 AM MST	Areal Flood Advisory	TWC	Pima	3 hr
Sep 8, 9:25 AM MST	Flash Flood Warning	TWC	Pima, Pinal	110 min
Sep 8, 9:27 AM MST	Flash Flood Warning	TWC	Pima	2 hr
Sep 8, 10:06 AM MST	Flash Flood Warning	TWC	Pima, Pinal	3 hr
Sep 8, 11:00 AM MST	Flash Flood Warning	TWC	Pima, Pinal	4 hr
Sep 8, 12:11 PM MST	Areal Flood Advisory	TWC	Cochise	3 hr
Sep 8, 1:06 PM MST	Areal Flood Advisory	TWC	Cochise	114 min
Sep 8, 1:18 PM MST	Flash Flood Warning	TWC	Cochise	87 min
Sep 8, 1:40 PM MST	Areal Flood Advisory	TWC	Cochise	3 hr
Sep 8, 3:00 PM MST	Areal Flood Advisory	TWC	Cochise	2 hr
Sep 8, 3:13 PM MST	Areal Flood Advisory	TWC	Greenlee	3 hr
Sep 8, 3:27 PM MST	Flash Flood Warning	TWC	Cochise	3 hr

Nearby

Areal Flood Warnings in Arizona, 2014 Every areal flood warning 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.