Alert archive / Texas / Red Flag Warnings in 2021

Red Flag Warning 12, NWS Amarillo, TX

May 2, 20216 counties in Texas

NWS Amarillo, TX issued this red flag warning at May 2, 2021, 3:28 AM CDT for 6 counties in Texas. It took effect at May 2, 2021, 12:00 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
May 2, 2021, 3:28 AM CDT (08:28 UTC)
In effect from
May 2, 2021, 12:00 PM CDT
Expired
May 2, 2021, 8:44 PM CDT
In force
9 hr
Issued by
NWS Amarillo, TX

Counties Armstrong County, TX, Deaf Smith County, TX, Hartley County, TX, Oldham County, TX, Potter County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 41 km from the middle of the area, began a volume at 08:31 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 00:00Z, 8.5 hours before the alert went out and 42 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 00:00Z on 2021-05-02Temperature 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 00:00Z on 2021-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 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
2284 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

949 
WWUS84 KAMA 020828
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
328 AM CDT Sun May 2 2021

TXZ006-011-012-016>018-317-022200-
/O.UPG.KAMA.FW.A.0009.210502T1700Z-210503T0300Z/
/O.NEW.KAMA.FW.W.0012.210502T1700Z-210503T0300Z/
Hartley-Oldham-Potter-Deaf Smith-Randall-Armstrong-
Palo Duro Canyon-
328 AM CDT Sun May 2 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM CDT THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS OF THE
SOUTHWEST AND SOUTH CENTRAL 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 today to 10 PM CDT this evening. The Fire
Weather Watch is no longer in effect.

* Affected Area...In Texas...Hartley...Oldham...Potter...Deaf 
  Smith...Randall...Armstrong and Palo Duro Canyon.

* 20 Foot Winds...Southwest 15 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 6 percent.

* Red Flag Threat Index...4 to 7.

* Timing...Noon until 10 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
552 
WWUS84 KAMA 022000
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
300 PM CDT Sun May 2 2021

TXZ006-011-012-016>018-317-030300-
/O.CON.KAMA.FW.W.0012.000000T0000Z-210503T0300Z/
Hartley-Oldham-Potter-Deaf Smith-Randall-Armstrong-
Palo Duro Canyon-
300 PM CDT Sun May 2 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS
OF THE SOUTHWEST AND SOUTH CENTRAL TEXAS PANHANDLE...

* Affected Area...In Texas...Hartley...Oldham...Potter...Deaf 
  Smith...Randall...Armstrong and Palo Duro Canyon.

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

* Relative Humidity...As low as 7 percent.

* Red Flag Threat Index...4 to 7.

* Timing...Noon until 10 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
401 
WWUS84 KAMA 030144
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
844 PM CDT Sun May 2 2021

TXZ006-011-012-016>018-317-030245-
/O.CAN.KAMA.FW.W.0012.000000T0000Z-210503T0300Z/
Hartley-Oldham-Potter-Deaf Smith-Randall-Armstrong-
Palo Duro Canyon-
844 PM CDT Sun May 2 2021

...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS AND LOW
RELATIVE HUMIDITY VALUES FOR PORTIONS OF THE SOUTHWEST AND SOUTH 
CENTRAL TEXAS PANHANDLE...

The National Weather Service in Amarillo has cancelled the Red
Flag Warning.

Red Flag conditions are no longer expected across the southwest
and south central Texas Panhandle. 

$$

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

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.