Alert archive / Colorado / Flash Flood Watches in 2013

Flash Flood Watch 11, NWS Pueblo, CO

August 6, 201321 counties in Colorado

NWS Pueblo, CO issued this flash flood watch at Aug 6, 2013, 10:19 AM MDT for 21 counties in Colorado. It took effect at Aug 7, 2013, 6:00 AM MDT. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Aug 6, 2013, 10:19 AM MDT (16:19 UTC)
In effect from: Aug 7, 2013, 6:00 AM MDT
Expired: Aug 8, 2013, 3:12 AM MDT
In force: 21 hr
Issued by: NWS Pueblo, CO
Flood severity: None

All 21 counties

Alamosa County, CO, Baca County, CO, Bent County, CO, Chaffee County, CO, Conejos County, CO, Costilla County, CO, Crowley County, CO, Custer County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Kiowa County, CO, Lake County, CO, Las Animas County, CO, Mineral County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO, Rio Grande County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 75 km from the middle of the area, began a volume at 16:21 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, 4.3 hours before the alert went out and 248 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2780 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -21 m²/s²
0-3 km storm-relative helicity: -26 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 Aug 6, 6:36 AM MDT, 3 hours 43 minutes earlier.

Area forecast discussion, Aug 6, 6:36 AM MDT, 3 hours 43 minutes before

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Hazardous weather outlook, Aug 6, 6:15 AM MDT, 4 hours 4 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
Aug 6, 1:58 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	47 min
Aug 6, 3:18 PM MDT	Severe Thunderstorm Warning	PUB	Custer, Saguache	27 min

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.