Alert archive / Kansas / Red Flag Warnings in 2018

Red Flag Warning 2, NWS Topeka, KS

February 15, 20185 counties in Kansas

NWS Topeka, KS issued this red flag warning at Feb 15, 2018, 10:54 AM CST for 5 counties in Kansas. It took effect at Feb 15, 2018, 11:00 AM CST. It was in force for 5 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
Feb 15, 2018, 10:54 AM CST (16:54 UTC)
In effect from
Feb 15, 2018, 11:00 AM CST
Expired
Feb 15, 2018, 4:05 PM CST
In force
5 hr
Issued by
NWS Topeka, KS

Counties Anderson County, KS, Coffey County, KS, Franklin County, KS, Lyon County, KS, Osage County, KS

The radar

The Topeka radar (KTWX), 82 km from the middle of the area, began a volume at 16:51 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

Topeka, KS (KFOE), launched 12:00Z, 4.9 hours before the alert went out and 64 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, Topeka, KS at 12:00Z on 2018-02-15Temperature 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, Topeka, KS at 12:00Z on 2018-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 264 square meters per square second.1939587897117136Sfc1 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
1706 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
264 m²/s²
0-3 km storm-relative helicity
313 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

071 
WWUS83 KTOP 151654
RFWTOP

URGENT - FIRE WEATHER MESSAGE
National Weather Service Topeka KS
1054 AM CST Thu Feb 15 2018

KSZ054>056-058-059-160000-
/O.NEW.KTOP.FW.W.0002.180215T1700Z-180216T0000Z/
Lyon-Osage-Franklin-Coffey-Anderson-
1054 AM CST Thu Feb 15 2018

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR 
FIRE WEATHER ZONES 054, 055, 056, 058, AND 059...

The National Weather Service in Topeka has issued a Red Flag
Warning, which is in effect until 6 PM CST this evening. 

* AFFECTED AREA...Fire weather zones 054, 055, 056, 058, and 
  059. 

* WIND...West winds at 15 to 20 MPH with gusts upwards of 25 to 30
  MPH.

* HUMIDITY...Minimum relative humidity values of 19 to 24 percent. 

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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 can
contribute to extreme fire behavior.

&&

$$
2 follow-up statements
316 
WWUS83 KTOP 151706 CCA
RFWTOP

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service Topeka KS
1106 AM CST Thu Feb 15 2018

KSZ054>056-058-059-160000-
/O.COR.KTOP.FW.W.0002.180215T1700Z-180216T0000Z/
Lyon-Osage-Franklin-Coffey-Anderson-
1106 AM CST Thu Feb 15 2018

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR 
FIRE WEATHER ZONES 054, 055, 056, 058, AND 059...

The National Weather Service in Topeka has issued a Red Flag
Warning, which is in effect until 6 PM CST this evening. 

* AFFECTED AREA...Fire weather zones 054, 055, 056, 058, and 
  059. 

* WIND...West winds at 15 to 20 MPH with gusts upwards of 25 to 30
  MPH. A wind shift to the northwest is expected between 3 PM and
  4 PM with wind speeds remaining between 15 and 20 MPH and gusts
  near 25 MPH. A secondary wind shift to the north is expected
  between 5 PM and 6 PM with wind speeds remaining at 10 to 15 MPH
  and gusts to 25 MPH.
  

* HUMIDITY...Minimum relative humidity values of 19 to 24 percent. 

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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 can
contribute to extreme fire behavior.

&&

$$
106 
WWUS83 KTOP 152205
RFWTOP

URGENT - FIRE WEATHER MESSAGE
National Weather Service Topeka KS
405 PM CST Thu Feb 15 2018

KSZ054>056-058-059-152315-
/O.CAN.KTOP.FW.W.0002.000000T0000Z-180216T0000Z/
Lyon-Osage-Franklin-Coffey-Anderson-
405 PM CST Thu Feb 15 2018

...RED FLAG WARNING IS CANCELLED FOR FOR FIRE WEATHER ZONES 054, 
055, 056, 058, AND 059...

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

Relative humidity values have increased above 30 percent and will
continue to improve through the evening hours. Therefore the red
flag warning has been cancelled.

$$

Nearby

Red Flag Warnings in Kansas, 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.