Alert archive / Texas / Red Flag Warnings in 2009

Red Flag Warning 24, NWS Amarillo, TX

April 26, 200912 counties in Texas; Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Apr 26, 2009, 5:12 AM CDT for 12 counties in Texas; Cimarron County, Texas County, Oklahoma. It took effect at Apr 26, 2009, 11:00 AM CDT. It was in force for 10 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: Apr 26, 2009, 5:12 AM CDT (10:12 UTC)
In effect from: Apr 26, 2009, 11:00 AM CDT
Expired: Apr 26, 2009, 9:00 PM CDT
In force: 10 hr
Issued by: NWS Amarillo, TX

Counties Cimarron County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Dallam County, TX, Deaf Smith County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 65 km from the middle of the area, began a volume at 10:17 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

Dodge City, (KDDC), launched 00:00Z, 10.2 hours before the alert went out and 287 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: 1149 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 307 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Amarillo, TX wrote its last area forecast discussion before this red flag warning went out at Apr 26, 4:43 AM CDT, 29 minutes earlier.

Area forecast discussion, Apr 26, 4:43 AM CDT, 29 minutes before

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Hazardous weather outlook, Apr 25, 9:33 PM CDT, 7 hours 39 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 11:14 AM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Wheeler	41 min
Apr 26, 11:28 AM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	62 min
Apr 26, 12:22 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	53 min
Apr 26, 12:39 PM CDT	Flash Flood Warning	AMA	Lipscomb, Ochiltree	4 hr
Apr 26, 12:48 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts	57 min
Apr 26, 1:30 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	60 min
Apr 26, 1:54 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	66 min
Apr 26, 2:28 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	62 min
Apr 26, 2:53 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Wheeler	67 min
Apr 26, 3:23 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Roberts	67 min
Apr 26, 3:39 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	66 min
Apr 26, 4:13 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	62 min
Apr 26, 4:38 PM CDT	Areal Flood Advisory	AMA	Hemphill, Wheeler	4 hr
Apr 26, 4:40 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	55 min
Apr 26, 5:52 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	21 min
Apr 26, 12:35 PM CDT	Tornado Warning	AMA	Beaver	25 min

Nearby

Red Flag Warnings in Texas, 2009 Red Flag Warnings in Oklahoma, 2009 Every red flag 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.