Alert archive / Colorado / Flash Flood Watches in 2013

Flash Flood Watch 14, NWS Pueblo, CO

August 13, 2013El Paso County, Fremont County, Teller County, Colorado

NWS Pueblo, CO issued this flash flood watch at Aug 13, 2013, 4:13 AM MDT for El Paso County, Fremont County, Teller County, Colorado. It took effect at Aug 13, 2013, 12:00 PM MDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Aug 13, 2013, 4:13 AM MDT (10:13 UTC)
In effect from
Aug 13, 2013, 12:00 PM MDT
Expired
Aug 13, 2013, 7:04 PM MDT
In force
7 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 10:13 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 00:00Z, 10.2 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-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2013-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2013-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -74 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
4 J/kg
Mixed-layer CIN
-195 J/kg
Mixed-layer LCL
1871 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-74 m²/s²
0-3 km storm-relative helicity
-67 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

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 12, 9:08 PM MDT, 7 hours 5 minutes earlier.

Area forecast discussion, Aug 12, 9:08 PM MDT, 7 hours 5 minutes before
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Hazardous weather outlook, Aug 12, 9:07 PM MDT, 7 hours 6 minutes before
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In the hours before

Local storm report, Aug 12, 10:50 PM MDT, 5 hours 23 minutes before
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Special weather statement, Aug 13, 12:17 AM MDT, 3 hours 56 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 6:46 PM MDTSevere Thunderstorm WarningPUBProwers44 min
Aug 13, 2:30 PM MDTAreal Flood AdvisoryPUBEl Paso3 hr
Aug 13, 4:23 PM MDTAreal Flood AdvisoryPUBHuerfano67 min

Nearby

Flash Flood Watches in Colorado, 2013Every 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.