Alert archive / Texas / Red Flag Warnings in 2023

Red Flag Warning 25, NWS Amarillo, TX

April 20, 202311 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Apr 20, 2023, 4:05 AM CDT for 11 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma. It took effect at Apr 20, 2023, 1:00 PM CDT. It was in force for 9 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 20, 2023, 4:05 AM CDT (09:05 UTC)
In effect from
Apr 20, 2023, 1:00 PM CDT
Expired
Apr 20, 2023, 10:00 PM CDT
In force
9 hr
Issued by
NWS Amarillo, TX

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

The radar

The Amarillo radar (KAMA), 83 km from the middle of the area, began a volume at 09:09 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, 9.1 hours before the alert went out and 265 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, Dodge City, at 00:00Z on 2023-04-20Temperature 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, Dodge City, at 00:00Z on 2023-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
3876 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
201 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 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 20, 12:49 AM CDT, 3 hours 16 minutes earlier.

Area forecast discussion, Apr 20, 12:49 AM CDT, 3 hours 16 minutes before
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Hazardous weather outlook, Apr 20, 4:05 AM CDT, 0 minutes before
Hazardous Weather Outlook
National Weather Service Amarillo TX
405 AM CDT Thu Apr 20 2023

OKZ001>003-TXZ001>020-317-202115-
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
405 AM CDT Thu Apr 20 2023

This Hazardous Weather Outlook is for the Texas and Oklahoma
Panhandles.

.DAY ONE...Today and Tonight.

Breezy to windy conditions in the eastern Panhandles with the cold
front early this morning. Some blowing dust will be accompanying
those winds. A Wind Advisory is in effect through 5 AM for the
eastern Panhandles.

Critical Fire Weather will be in play today across the southwest
Panhandles, with other areas across the north and west being
elevated to low end critical from breezy winds and low relative
humidity values.

Freezing temperatures may occur in the northwestern Texas and
western Oklahoma Panhandles tonight into early Friday morning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Monday and Tuesday may have thunderstorms. At this time the
threat for severe weather is low, but can't be ruled out.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

In the hours before

Special weather statement, Apr 19, 10:28 PM CDT, 5 hours 37 minutes before
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Local storm report, Apr 20, 2:06 AM CDT, 1 hour 59 minutes before
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Local storm report, Apr 20, 2:09 AM CDT, 1 hour 56 minutes before
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Local storm report, Apr 20, 2:11 AM CDT, 1 hour 54 minutes before
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Local storm report, Apr 20, 2:13 AM CDT, 1 hour 52 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 12:37 AM CDTWind AdvisoryAMAArmstrong, Carson, Collingsworth, Donley, Gray, Hansford and 6 more4 hr
Apr 20, 1:26 AM CDTBlowing Dust AdvisoryAMAArmstrong, Carson, Collingsworth, Donley, Gray, Hansford and 10 more4 hr
Apr 20, 3:20 AM CDTFreeze WatchAMADallam, Hartley, Sherman11 hr
Apr 20, 2:42 PM CDTFreeze WarningAMADallam, Hartley, Sherman18 hr
Apr 20, 12:52 AM CDTHigh Wind WarningAMABeaver, Texas4 hr

Nearby

Red Flag Warnings in Texas, 2023Red Flag Warnings in Oklahoma, 2023Every red flag warning in 2023

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.