Alert archive / Texas / Red Flag Warnings in 2018

Red Flag Warning 13, NWS Amarillo, TX

March 2, 20185 counties in Texas; Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Mar 2, 2018, 2:58 AM CST for 5 counties in Texas; Cimarron County, Texas County, Oklahoma. It took effect at Mar 2, 2018, 11:00 AM CST. 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 2, 2018, 2:58 AM CST (08:58 UTC)
In effect from
Mar 2, 2018, 11:00 AM CST
Expired
Mar 2, 2018, 7:00 PM CST
In force
8 hr
Issued by
NWS Amarillo, TX

Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Moore County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 121 km from the middle of the area, began a volume at 09:03 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, 9.0 hours before the alert went out and 122 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 2018-03-02Temperature 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 2018-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
3092 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

549 
WWUS84 KAMA 020858
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
258 AM CST Fri Mar 2 2018

OKZ001-002-TXZ001>003-006-007-022200-
/O.NEW.KAMA.FW.W.0013.180302T1700Z-180303T0100Z/
/O.NEW.KAMA.FW.A.0012.180304T1700Z-180305T0100Z/
Cimarron-Texas-Dallam-Sherman-Hansford-Hartley-Moore-
258 AM CST Fri Mar 2 2018

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CST
THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE
WESTERN AND CENTRAL OKLAHOMA PANHANDLE AND ALSO THE NORTHWEST AND
NORTH CENTRAL TEXAS PANHANDLE... 
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH 
SUNDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR ALL
OF THE TEXAS AND OKLAHOMA PANHANDLES...

The National Weather Service in Amarillo has issued a Red Flag
Warning for strong winds and low relative humidity, which is in
effect from 11 AM this morning to 7 PM CST this evening. A Fire
Weather Watch has also been issued. This Fire Weather Watch for
strong winds and low relative humidity is in effect from Sunday
morning through Sunday evening.

* Affected Area...In Oklahoma...Cimarron and Texas. In Texas... 
  Dallam...Sherman...Hansford...Hartley and Moore.

* 20 Foot Winds...South to southwest 20 to 25 mph with gusts to
  near 30 mph today. Southwest 20 to 30 mph with gusts to 45 mph
  Sunday.

* Relative Humidity...12 to 19 percent today. As low as 8 to 10
  percent Sunday.

* Red Flag Threat Index...2 to 4 today. 4 to 7 Sunday.

* Timing...Critical fire weather conditions are expected to begin
  around 11 AM today and end around 7 PM this evening. Critical to
  extremely critical fire weather conditions are expected to begin
  around 11 AM Sunday and end around 7 PM Sunday.

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.

A Fire Weather Watch means that the potential for critical fire
weather conditions exists. Listen for later forecasts and
possible red flag warnings.

&&

$$

OKZ003-TXZ004-005-008>020-022200-
/O.NEW.KAMA.FW.A.0012.180304T1700Z-180305T0100Z/
Beaver-Ochiltree-Lipscomb-Hutchinson-Roberts-Hemphill-Oldham-
Potter-Carson-Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-
Collingsworth-
258 AM CST Fri Mar 2 2018

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR ALL
OF THE TEXAS AND OKLAHOMA PANHANDLES...

The National Weather Service in Amarillo has issued a Fire
Weather Watch for strong winds and low relative humidity, which
is in effect from Sunday morning through Sunday evening.

* Affected Area...In Oklahoma...Beaver. In Texas...Ochiltree... 
  Lipscomb...Hutchinson...Roberts...Hemphill...Oldham...Potter...
   Carson...Gray...Wheeler...Deaf Smith...Randall...Armstrong... 
  Donley and Collingsworth.

* 20 Foot Winds...Southwest 20 to 30 mph with gusts to 45 mph
  Sunday.

* Relative Humidity...As low as 8 to 10 percent Sunday.

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

* Timing...Critical to extremely critical fire weather conditions
  are expected to begin around 11 AM Sunday and end around 7 PM 
  Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that the potential for critical fire
weather conditions exists. Listen for later forecasts and
possible red flag warnings.

&&

$$

Schneider

For more information from the National Weather Service 
visit... www.weather.gov/ama
1 follow-up statement
625 
WWUS84 KAMA 022228
RFWAMA

URGENT - FIRE WEATHER MESSAGE
National Weather Service Amarillo TX
428 PM CST Fri Mar 2 2018

OKZ001-002-TXZ001>003-006-007-031300-
/O.CON.KAMA.FW.W.0013.000000T0000Z-180303T0100Z/
/O.CON.KAMA.FW.A.0012.180304T1700Z-180305T0100Z/
Cimarron-Texas-Dallam-Sherman-Hansford-Hartley-Moore-
428 PM CST Fri Mar 2 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY VALUES FOR THE WESTERN
AND CENTRAL OKLAHOMA PANHANDLE AND ALSO THE NORTHWEST AND NORTH 
CENTRAL TEXAS PANHANDLE... 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING 
THROUGH SUNDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY 
VALUES FOR THE WESTERN AND CENTRAL OKLAHOMA PANHANDLE AS WELL AS 
THE NORTHWEST AND NORTH CENTRAL TEXAS PANHANDLE...

* Affected Area...In Oklahoma...Cimarron and Texas. In Texas... 
  Dallam...Sherman...Hansford...Hartley and Moore.

* 20 Foot Winds...South to southwest winds 20 to 25 mph with 
  gusts to around 35 mph through 7 PM this evening. Southwest 
  winds 25 to 35 mph with gusts to around 50 mph are expected on 
  Sunday.

* Relative Humidity...As low as 10 to 19 percent through this
  evening, then as low as 7 to 10 percent Sunday.

* Red Flag Threat Index...3 to 4 through this evening, then 5 to 
  7 Sunday.

* Timing...Critical fire weather conditions are expected to end
  around 7 PM this evening. Critical to extremely critical fire 
  weather conditions are expected to begin around 11 AM Sunday and
  end around 7 PM Sunday.

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.

A Fire Weather Watch means that the potential for critical fire
weather conditions exists. Listen for later forecasts and
possible red flag warnings.

&&

$$

OKZ003-TXZ004-005-008>020-031300-
/O.CON.KAMA.FW.A.0012.180304T1700Z-180305T0100Z/
Beaver-Ochiltree-Lipscomb-Hutchinson-Roberts-Hemphill-Oldham-
Potter-Carson-Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-
Collingsworth-
428 PM CST Fri Mar 2 2018

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
VALUES FOR THE EASTERN OKLAHOMA PANHANDLE AND MOST OF THE TEXAS
PANHANDLE...

* Affected Area...In Oklahoma...Beaver. In Texas...Ochiltree...
  Lipscomb...Hutchinson...Roberts...Hemphill...Oldham...Potter...
  Carson...Gray...Wheeler...Deaf Smith...Randall...Armstrong... 
  Donley and Collingsworth.

* 20 Foot Winds...Southwest winds 20 to 35 mph with gusts to 
  around 45 mph on Sunday.

* Relative Humidity...As low as 7 to 15 percent on Sunday.

* Red Flag Threat Index...3 to 8 on Sunday.

* Timing...Critical to extremely critical fire weather 
  conditions are expected to begin around 11 AM Sunday and end 
  around 7 PM Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that the potential for critical fire
weather conditions exists. Listen for later forecasts and
possible red flag warnings.

&&

$$

Andrade

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 2, 2:58 AM CSTFire Weather WatchAMAArmstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more49 hr

Nearby

Red Flag Warnings in Texas, 2018Red Flag Warnings in Oklahoma, 2018Every red flag warning in 2018

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.