Alert archive / New Mexico / Flash Flood Warnings in 2008

Flash Flood Warning 11, NWS El Paso, TX

July 11, 2008Sierra County, New Mexico

NWS El Paso, TX issued this flash flood warning at Jul 11, 2008, 2:02 PM MDT for Sierra County, New Mexico. It was in force for 3 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: Jul 11, 2008, 2:02 PM MDT (20:02 UTC)
Expired: Jul 11, 2008, 5:00 PM MDT
In force: 3 hr
Issued by: NWS El Paso, TX
Area: Storm-based polygon
Flood severity: None

County Sierra County, NM

The radar

The Holloman AFB radar (KHDX), 100 km from the middle of the area, began a volume at 20:03 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

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 8.0 hours before the alert went out and 220 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: 230 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 866 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 140 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS El Paso, TX wrote its last area forecast discussion before this flash flood warning went out at Jul 11, 3:41 AM MDT, 10 hours 21 minutes earlier.

Area forecast discussion, Jul 11, 3:41 AM MDT, 10 hours 21 minutes before

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Hazardous weather outlook, Jul 11, 11:14 AM MDT, 2 hours 48 minutes before

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In the hours before

Special weather statement, Jul 11, 1:29 PM MDT, 33 minutes before

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The office that day

Everything else NWS El Paso, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 11, 4:18 AM MDT	Flash Flood Watch	EPZ		20 hr
Jul 11, 2:15 PM MDT	Areal Flood Advisory	EPZ	Grant, Hidalgo, Luna	3 hr
Jul 11, 5:45 PM MDT	Severe Thunderstorm Warning	EPZ	Luna	45 min

Nearby

Flash Flood Warnings in New Mexico, 2008 Every flash flood warning in 2008

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.