Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 5, NWS Amarillo, TX

March 15, 2021Deaf Smith County, Oldham County, Texas

NWS Amarillo, TX issued this red flag warning at Mar 15, 2021, 2:35 PM CDT for Deaf Smith County, Oldham County, Texas. It took effect at Mar 16, 2021, 12:00 PM CDT. It was in force for 8 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 15, 2021, 2:35 PM CDT (19:35 UTC)
In effect from
Mar 16, 2021, 12:00 PM CDT
Expired
Mar 16, 2021, 8:00 PM CDT
In force
8 hr
Issued by
NWS Amarillo, TX

Counties Deaf Smith County, TX, Oldham County, TX

The radar

The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 19:34 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 7.6 hours before the alert went out and 82 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, Amarillo Airport, TX at 12:00Z on 2021-03-15Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2021-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 square meters per square second.1939587897117Sfc1 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
1358 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

184 
WWUS84 KAMA 151935
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
235 PM CDT Mon Mar 15 2021

TXZ011-016-161200-
/O.UPG.KAMA.FW.A.0004.210316T1700Z-210317T0100Z/
/O.NEW.KAMA.FW.W.0005.210316T1700Z-210317T0100Z/
Oldham-Deaf Smith-
235 PM CDT Mon Mar 15 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM CDT TUESDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE SOUTHWEST TEXAS
PANHANDLE...

The National Weather Service in Amarillo has issued a Red Flag
Warning for strong winds and low relative humidity, which is in
effect from noon to 8 PM CDT Tuesday. The Fire Weather Watch is
no longer in effect.

* Affected Area...In Texas...Oldham and Deaf Smith.

* 20 Foot Winds...Southwest 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...As low as 9 percent.

* Red Flag Threat Index...4 to 6.

* Timing...Noon through 8 pm.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures will
create favorable weather for rapid fire growth and spread. Avoid
activities that promote open flames and sparks.

&&

$$

For more information from the National Weather Service visit...
www.weather.gov/ama
2 follow-up statements
201 
WWUS84 KAMA 160853
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
353 AM CDT Tue Mar 16 2021

TXZ011-016-162100-
/O.CON.KAMA.FW.W.0005.210316T1700Z-210317T0100Z/
Oldham-Deaf Smith-
353 AM CDT Tue Mar 16 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CDT
THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
SOUTHWEST TEXAS PANHANDLE...

* Affected Area...In Texas...Oldham and Deaf Smith counties.

* 20 Foot Winds...Southwest 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...As low as 9 percent.

* Red Flag Threat Index...4 to 6.

* Timing...Noon through 8 pm.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures will
create favorable weather for rapid fire growth and spread. Avoid
activities that promote open flames and sparks.

&&

$$

For more information from the National Weather Service visit...
www.weather.gov/ama
045 
WWUS84 KAMA 162055
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
355 PM CDT Tue Mar 16 2021

TXZ011-016-170100-
/O.CON.KAMA.FW.W.0005.000000T0000Z-210317T0100Z/
Oldham-Deaf Smith-
355 PM CDT Tue Mar 16 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE SOUTHWEST
TEXAS PANHANDLE...

* Affected Area...In Texas...Oldham and Deaf Smith.

* 20 Foot Winds...Southwest 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...As low as 9 percent.

* Red Flag Threat Index...4 to 6.

* Timing...Through 8 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures will
create favorable weather for rapid fire growth and spread. Avoid
activities that promote open flames and sparks.

&&

$$

02

For more information from the National Weather Service visit...
www.weather.gov/ama

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 3:47 AM CDTFire Weather WatchAMADeaf Smith, Oldham11 hr

Nearby

Red Flag Warnings in Texas, 2021Every red flag warning in 2021

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.