Alert archive / Colorado / Flash Flood Watches in 2013

Flash Flood Watch 17, NWS Pueblo, CO

September 11, 2013El Paso County, Fremont County, Teller County, Colorado

NWS Pueblo, CO issued this flash flood watch at Sep 11, 2013, 9:05 AM MDT for El Paso County, Fremont County, Teller County, Colorado. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Sep 11, 2013, 9:05 AM MDT (15:05 UTC)
Expired: Sep 11, 2013, 11:43 PM MDT
In force: 15 hr
Issued by: NWS Pueblo, CO
Flood severity: None

Counties El Paso County, CO, Fremont County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 81 km from the middle of the area, began a volume at 15:06 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

Denver, CO (KDEN), launched 12:00Z, 3.1 hours before the alert went out and 201 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: 123 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 572 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 28 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 flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pueblo, CO wrote its last area forecast discussion before this flash flood watch went out at Sep 11, 3:38 AM MDT, 5 hours 27 minutes earlier.

Area forecast discussion, Sep 11, 3:38 AM MDT, 5 hours 27 minutes before

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Hazardous weather outlook, Sep 11, 6:08 AM MDT, 2 hours 57 minutes before

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In the hours before

Special weather statement, Sep 11, 7:21 AM MDT, 1 hour 44 minutes before

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The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 10, 8:28 PM MDT	Areal Flood Advisory	PUB	El Paso	2 hr
Sep 11, 7:47 AM MDT	Areal Flood Advisory	PUB	El Paso	3 hr
Sep 11, 9:43 AM MDT	Flash Flood Warning	PUB	El Paso	3 hr
Sep 11, 9:44 AM MDT	Areal Flood Advisory	PUB	Fremont	106 min
Sep 11, 3:58 PM MDT	Flash Flood Watch	PUB	Alamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more	35 hr

Nearby

Flash Flood Watches in Colorado, 2013 Every flash flood watch in 2013

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.