Alert archive / Texas / Red Flag Warnings in 2013

Red Flag Warning 6, NWS San Angelo, TX

March 9, 20136 counties in Texas

NWS San Angelo, TX issued this red flag warning at Mar 9, 2013, 3:47 AM CST for 6 counties in Texas. It took effect at Mar 9, 2013, 2:00 PM CST. It was in force for 4 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: Mar 9, 2013, 3:47 AM CST (09:47 UTC)
In effect from: Mar 9, 2013, 2:00 PM CST
Expired: Mar 9, 2013, 6:00 PM CST
In force: 4 hr
Issued by: NWS San Angelo, TX

Counties Coke County, TX, Fisher County, TX, Haskell County, TX, Jones County, TX, Nolan County, TX, Sterling County, TX

The radar

The Dyess AFB radar (KDYX), 102 km from the middle of the area, began a volume at 09:50 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, 9.8 hours before the alert went out and 184 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: 109 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 2099 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 San Angelo, TX wrote its last area forecast discussion before this red flag warning went out at Mar 8, 11:52 PM CST, 3 hours 55 minutes earlier.

Area forecast discussion, Mar 8, 11:52 PM CST, 3 hours 55 minutes before

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Hazardous weather outlook, Mar 8, 2:57 PM CST, 12 hours 50 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 9, 1:15 PM CST	Special Weather Statement	SJT	Throckmorton	30 min
Mar 9, 4:04 PM CST	Special Weather Statement	SJT	Brown	26 min
Mar 9, 4:37 PM CST	Severe Thunderstorm Warning	SJT	Brown	23 min
Mar 9, 4:52 PM CST	Severe Thunderstorm Warning	SJT	Brown	38 min
Mar 9, 5:11 PM CST	Severe Thunderstorm Warning	SJT	Brown, Coleman, McCulloch, San Saba	49 min
Mar 9, 5:24 PM CST	Special Weather Statement	SJT	Concho	36 min
Mar 9, 5:28 PM CST	Severe Thunderstorm Warning	SJT	Concho, Menard	47 min
Mar 9, 5:37 PM CST	Severe Thunderstorm Warning	SJT	Concho, McCulloch	38 min
Mar 9, 5:53 PM CST	Severe Thunderstorm Warning	SJT	Concho, McCulloch	37 min
Mar 9, 5:56 PM CST	Severe Thunderstorm Warning	SJT	Brown, McCulloch, San Saba	49 min
Mar 9, 5:57 PM CST	Severe Thunderstorm Warning	SJT	Concho, Menard	33 min

Nearby

Red Flag Warnings in Texas, 2013 Every red flag warning 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.