Alert archive / Texas / Red Flag Warnings in 2019

Red Flag Warning 3, NWS San Angelo, TX

April 11, 2019Crockett County, Sutton County, Texas

NWS San Angelo, TX issued this red flag warning at Apr 11, 2019, 4:00 AM CDT for Crockett County, Sutton County, Texas. It took effect at Apr 11, 2019, 9:00 AM CDT. It was in force for 11 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 11, 2019, 4:00 AM CDT (09:00 UTC)
In effect from
Apr 11, 2019, 9:00 AM CDT
Expired
Apr 11, 2019, 8:00 PM CDT
In force
11 hr
Issued by
NWS San Angelo, TX

Counties Crockett County, TX, Sutton County, TX

The radar

The San Angelo radar (KSJT), 96 km from the middle of the area, began a volume at 08:58 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

Del Rio, TX (KDLF), launched 00:00Z, 9.0 hours before the alert went out and 139 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, Del Rio, TX at 00:00Z on 2019-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Del Rio, TX at 00:00Z on 2019-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4458 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
285 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 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 Apr 10, 6:46 PM CDT, 9 hours 14 minutes earlier.

Area forecast discussion, Apr 10, 6:46 PM CDT, 9 hours 14 minutes before
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Hazardous weather outlook, Apr 10, 2:51 PM CDT, 13 hours 9 minutes before
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Nearby

Red Flag Warnings in Texas, 2019Every red flag warning in 2019

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.