Alert archive / Missouri / Red Flag Warnings in 2018

Red Flag Warning 7, NWS Springfield, MO

April 11, 201824 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this red flag warning at Apr 11, 2018, 3:26 AM CDT for 24 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It took effect at Apr 11, 2018, 1:00 PM CDT. It was in force for 6 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
Apr 11, 2018, 3:26 AM CDT (08:26 UTC)
In effect from
Apr 11, 2018, 1:00 PM CDT
Expired
Apr 11, 2018, 7:00 PM CDT
In force
6 hr
Issued by
NWS Springfield, MO
All 27 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 19 km from the middle of the area, began a volume at 08:28 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

Springfield, MO (KSGF), launched 00:00Z, 8.4 hours before the alert went out and 56 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, Springfield, MO at 00:00Z on 2018-04-11Temperature 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, Springfield, MO at 00:00Z on 2018-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
1798 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

169 
WWUS83 KSGF 110826
RFWSGF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Springfield MO
326 AM CDT Wed Apr 11 2018

KSZ073-097-101-MOZ066>070-077>082-088>096-101>104-120000-
/O.NEW.KSGF.FW.W.0007.180411T1800Z-180412T0000Z/
Bourbon-Crawford-Cherokee-Vernon-St. Clair-Hickory-Camden-Pulaski-
Barton-Cedar-Polk-Dallas-Laclede-Texas-Jasper-Dade-Greene-Webster-
Wright-Newton-Lawrence-Christian-Douglas-McDonald-Barry-Stone-
Taney-
326 AM CDT Wed Apr 11 2018

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE 
WEATHER ZONES 066, 067, 068, 069, 070, 073, 077, 078, 079, 080, 
081, 082, 088, 089, 090, 091, 092, 093, 094, 095, 096, 097, 101, 
101, 102, 103, AND 104...

The National Weather Service in Springfield has issued a Red Flag
Warning, which is in effect from 1 PM this afternoon to 7 PM CDT
this evening. 

* AFFECTED AREA...Fire weather zones 073, 097, and 101.Fire 
  weather zones 066, 067, 068, 069, 070, 077, 078, 079, 080, 
  081, 082, 088, 089, 090, 091, 092, 093, 094, 095, 096, 101, 
  102, 103, and 104. 

* WIND...Sustained southwest winds of 15 to 30 mph with gusts of
  30 to 45 mph. The strongest winds will occur west of Interstate
  49.

* HUMIDITY...25 to 35 percent with the lowest humidity values
  occurring along and east of the Highway 65 corridor.

* 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.

&&

$$

Schaumann
1 follow-up statement
458 
WWUS83 KSGF 112337
RFWSGF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Springfield MO
637 PM CDT Wed Apr 11 2018

KSZ073-097-101-MOZ066>070-077>082-088>096-101>104-120045-
/O.EXP.KSGF.FW.W.0007.000000T0000Z-180412T0000Z/
Bourbon-Crawford-Cherokee-Vernon-St. Clair-Hickory-Camden-Pulaski-
Barton-Cedar-Polk-Dallas-Laclede-Texas-Jasper-Dade-Greene-Webster-
Wright-Newton-Lawrence-Christian-Douglas-McDonald-Barry-Stone-
Taney-
637 PM CDT Wed Apr 11 2018

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR FIRE
WEATHER ZONES 066, 067, 068, 069, 070, 073, 077, 078, 079, 080, 
081, 082, 088, 089, 090, 091, 092, 093, 094, 095, 096, 097, 101, 
101, 102, 103, AND 104.

Moisture values will gradually recover but gusty southerly winds
will continue. 

$$

Foster

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 3:20 AM CDTWind AdvisorySGFBourbon, Cherokee, Crawford16 hr

Nearby

Red Flag Warnings in Missouri, 2018Red 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.