Alert archive / Texas / Red Flag Warnings in 2020

Red Flag Warning 13, NWS Amarillo, TX

May 7, 20204 counties in Texas

NWS Amarillo, TX issued this red flag warning at May 7, 2020, 4:18 AM CDT for 4 counties in Texas. It took effect at May 7, 2020, 2:00 PM CDT. It was in force for 7 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 7, 2020, 4:18 AM CDT (09:18 UTC)
In effect from
May 7, 2020, 2:00 PM CDT
Expired
May 7, 2020, 9:00 PM CDT
In force
7 hr
Issued by
NWS Amarillo, TX

Counties Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Oldham County, TX

The radar

The Amarillo radar (KAMA), 92 km from the middle of the area, began a volume at 09:22 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, 9.3 hours before the alert went out and 339 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 2020-05-07Temperature 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, Dodge City, at 00:00Z on 2020-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.1939587897Sfc1 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
2587 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

104 
WWUS84 KAMA 070918
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
418 AM CDT Thu May 7 2020

TXZ001-006-011-016-072130-
/O.NEW.KAMA.FW.W.0013.200507T1900Z-200508T0200Z/
Dallam-Hartley-Oldham-Deaf Smith-
418 AM CDT Thu May 7 2020

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM
CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
WESTERN PARTS OF THE 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 2 PM this afternoon to 9 PM CDT this evening.

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

* 20 Foot Winds...20 - 30 mph.

* Relative Humidity...dropping down to around 7 to 15 percent. 

* Red Flag Threat Index...2 to 7. Highest amounts this afternoon  
  in Deaf Smith County. 

* Timing...this afternoon between 2 PM and 9 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
727 
WWUS84 KAMA 072059
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
359 PM CDT Thu May 7 2020

TXZ001-006-072200-
/O.CAN.KAMA.FW.W.0013.000000T0000Z-200508T0200Z/
Dallam-Hartley-
359 PM CDT Thu May 7 2020

...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS AND LOW
RELATIVE HUMIDITY FOR WESTERN PARTS OF THE TEXAS PANHANDLE...

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

Stronger winds remain further south and RH values remain in the
high teens. Therefore red flag conditions are no longer expected.

$$

TXZ011-016-080200-
/O.CON.KAMA.FW.W.0013.000000T0000Z-200508T0200Z/
Oldham-Deaf Smith-
359 PM CDT Thu May 7 2020

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR WESTERN PARTS OF
THE TEXAS PANHANDLE...

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

* 20 Foot Winds...20 to 30 mph.

* Relative Humidity...Dropping down to around 7 percent.

* Red Flag Threat Index...3 to 7. Highest amounts in Deaf Smith 
  County.

* Timing...through 9 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
804 
WWUS84 KAMA 080217
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
917 PM CDT Thu May 7 2020

TXZ011-016-080330-
/O.EXP.KAMA.FW.W.0013.000000T0000Z-200508T0200Z/
Oldham-Deaf Smith-
917 PM CDT Thu May 7 2020

...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR WESTERN PARTS OF THE TEXAS PANHANDLE...

As temperatures cool following sunset and relative humidity
increases, RFTI values have begun to decrease across the 
southwestern Texas Panhandle.

$$

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
May 7, 5:19 PM CDTSevere Thunderstorm WarningAMACollingsworth41 min

Nearby

Red Flag Warnings in Texas, 2020Every red flag warning in 2020

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.