Alert archive / New Mexico / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 277, NWS Midland/Odessa, TX

July 18, 2009Lea County, New Mexico

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Jul 18, 2009, 9:32 PM MDT for Lea County, New Mexico. It was in force for 58 min. 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 18, 2009, 9:32 PM MDT (03:32 UTC)
Expired: Jul 18, 2009, 10:30 PM MDT
In force: 58 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon

County Lea County, NM

The radar

The Midland/Odessa radar (KMAF), 149 km from the middle of the area, began a volume at 03:32 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

Midland Regional, TX (KMAF), launched 00:00Z, 3.5 hours before the alert went out and 147 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: 2962 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: 52 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 18, 5:59 PM MDT, 3 hours 33 minutes earlier.

Area forecast discussion, Jul 18, 5:59 PM MDT, 3 hours 33 minutes before

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Hazardous weather outlook, Jul 18, 1:39 PM MDT, 7 hours 53 minutes before

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In the hours before

Special weather statement, Jul 18, 4:34 PM MDT, 4 hours 58 minutes before

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The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 19, 2:39 PM MDT	Areal Flood Advisory	MAF	Brewster, Jeff Davis, Presidio	3 hr
Jul 18, 11:27 PM MDT	Areal Flood Advisory	MAF	Lea	2 hr

Nearby

Severe Thunderstorm Warnings in New Mexico, 2009 Every severe thunderstorm warning in 2009

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.