Alert archive / Missouri / Red Flag Warnings in 2021

Red Flag Warning 4, NWS Springfield, MO

March 31, 202110 counties in Missouri

NWS Springfield, MO issued this red flag warning at Mar 31, 2021, 3:53 AM CDT for 10 counties in Missouri. It took effect at Mar 31, 2021, 12:00 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
Mar 31, 2021, 3:53 AM CDT (08:53 UTC)
In effect from
Mar 31, 2021, 12:00 PM CDT
Expired
Mar 31, 2021, 7:00 PM CDT
In force
7 hr
Issued by
NWS Springfield, MO

Counties Benton County, MO, Camden County, MO, Dallas County, MO, Hickory County, MO, Laclede County, MO, Maries County, MO, Miller County, MO, Morgan County, MO, Phelps County, MO, Pulaski County, MO

The radar

The Springfield radar (KSGF), 110 km from the middle of the area, began a volume at 08:55 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, 8.9 hours before the alert went out and 161 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 2021-03-31Temperature 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 2021-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
1483 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
537 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

096 
WWUS83 KSGF 310853
RFWSGF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Springfield MO
353 AM CDT Wed Mar 31 2021

MOZ055>058-068>071-080-081-010000-
/O.NEW.KSGF.FW.W.0004.210331T1700Z-210401T0000Z/
Benton-Morgan-Miller-Maries-Hickory-Camden-Pulaski-Phelps-Dallas-
Laclede-
353 AM CDT Wed Mar 31 2021

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR FIRE WEATHER ZONES 055, 056, 057, 058, 068, 069, 070,
071, 080, AND 081...

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

* AFFECTED AREA...In Missouri...Fire weather zones 055, 056, 
  057, 058, 068, 069, 070, 071, 080, and 081. 

* WIND...Northwest 15 to 20 MPH with gusts up to 20 to 25 MPH.

* HUMIDITY...20 percent or below.

* TEMPERATURES...In the low to middle 50s. 

* 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.

&&

$$

Hatch
1 follow-up statement
150 
WWUS83 KSGF 010000 AAA
RFWSGF

URGENT - FIRE WEATHER MESSAGE...UPDATED
National Weather Service Springfield MO
700 PM CDT Wed Mar 31 2021


MOZ055>058-068>071-080-081-010100-
/O.EXP.KSGF.FW.W.0004.000000T0000Z-210401T0000Z/
Benton-Morgan-Miller-Maries-Hickory-Camden-Pulaski-Phelps-Dallas-
Laclede-
700 PM CDT Wed Mar 31 2021

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR FIRE
WEATHER ZONES 055, 056, 057, 058, 068, 069, 070, 071, 080, AND 
081...

While elevated to significant fire weather conditions will persist
into the late evening, winds have diminished quite a bit and
humidity levels will continue to increase through the night. The
red flag warning will be allowed to expire at 7 pm.

$$

Burchfield

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 2:54 PM CDTFreeze WatchSGFBenton, Camden, Christian, Dallas, Dent, Douglas and 17 more12 hr

Nearby

Red Flag Warnings in Missouri, 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.