Alert archive / Missouri / Winter Storm Warnings in 2021

Winter Storm Warning 1, NWS Springfield, MO

January 1, 20218 counties in Missouri

NWS Springfield, MO issued this winter storm warning at Jan 1, 2021, 2:02 PM CST for 8 counties in Missouri. It was in force for 58 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 1, 2021, 2:02 PM CST (20:02 UTC)
Expired
Jan 1, 2021, 3:00 PM CST
In force
58 min
Issued by
NWS Springfield, MO

Counties Benton County, MO, Camden 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), 122 km from the middle of the area, began a volume at 20:01 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.

What was reported inside it

TimeReportWhereRemark
Jan 1, 2:14 PM CSTSNOW 1.5Lebanon, MOCORRECTS LOCATION OF PREVIOUS SNOW REPORT FROM 3 NE SPRINGFIELD. ACTUALLY FROM LEBANON. RELAYED TO MEDIA. TOTAL FOR JAN 1ST 2021 SNOW EVENT.
Jan 1, 2:14 PM CSTSNOW 1.5Lebanon, MORELAYED TO MEDIA. TOTAL FOR JAN 1ST 2021 SNOW EVENT.
Jan 1, 2:37 PM CSTICE STORM 0.18Saint Robert, MOICE SNAPPED 12-18 INCH LIMB FROM TREE FROM FREEZING RAIN EARLY IN THE DAY.
Jan 1, 3:00 PM CSTSNOW 0.8Rolla, MO0.8 INCH SNOW MEASURED SHORTLY AFTER IT ENDED. DEPTH ON MY WHITE VEHICLE SETTLED DOWN TO 0.4 INCH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.0 hours before the alert went out and 174 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 12:00Z on 2021-01-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2021-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 809 square meters per square second.19395878Sfc1 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
3 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
464 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
809 m²/s²
0-3 km storm-relative helicity
805 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

636 
WWUS43 KSGF 012002
WSWSGF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Springfield MO
202 PM CST Fri Jan 1 2021

...Snow Diminishing this Afternoon...

MOZ055>058-069>071-081-012115-
/O.CAN.KSGF.WS.W.0003.000000T0000Z-210101T2100Z/
/O.NEW.KSGF.WS.W.0001.210101T2002Z-210101T2100Z/
Benton-Morgan-Miller-Maries-Camden-Pulaski-Phelps-Laclede-
Including the cities of Warsaw, Whitakerville, Cole Camp, 
Crockerville, Mora, Edmonson, Lincoln, Versailles, Rocky Mount, 
Stover, Laurie, Aurora Springs, Eldon, Lake Ozark, Vichy, 
Osage Beach, Camdenton, Decaturville, Roach, 
Village of Four Seasons, Fort Leonard Wood, Laquey, Waynesville, 
Northwye, Rolla, Lynchburg, and Lebanon
202 PM CST Fri Jan 1 2021

...WINTER STORM WARNING IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

* WHAT...Heavy wet snow expected. Additional snow accumulations 
  of up to one inch.

* WHERE...Portions of central, east central and southwest 
  Missouri.

* WHEN...Until 3 PM CST this afternoon.

* IMPACTS...Plan on slippery road conditions. Falling tree 
  branches and power lines remain possible due to the recent ice.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

KSZ073-097-MOZ066>068-077>080-089-091-092-012115-
/O.CAN.KSGF.WS.W.0003.000000T0000Z-210101T2100Z/
Bourbon-Crawford-Vernon-St. Clair-Hickory-Barton-Cedar-Polk-
Dallas-Dade-Webster-Wright-
Including the cities of Fort Scott, Pawnee Station, Chicopee, 
Lone Oak, Pittsburg, Nevada, Tiffin, Appleton City, Johnson City,
Weaubleau, Hermitage, Quincy, Wheatland, Cross Timbers, Kenoma, 
Lamar, Cedar Springs, El Dorado Springs, Filley, Arnica, 
Caplinger Mills, Stockton, Bolivar, Buffalo, Charity, Foose, 
March, Plad, Windyville, Olive, Greenfield, Lockwood, Meinert, 
Marshfield, Northview, Seymour, Rogersville, Dawson, Graff, 
Mountain Grove, Duncan, and Mansfield
202 PM CST Fri Jan 1 2021

...WINTER STORM WARNING IS CANCELLED...

The threat for freezing rain and snow has ended. However, falling
tree branches and power lines remain possible due to the recent
ice.

$$

MOZ082-083-098-012115-
/O.CAN.KSGF.WW.Y.0016.000000T0000Z-210101T2100Z/
/O.NEW.KSGF.WW.Y.0001.210101T2002Z-210101T2100Z/
Texas-Dent-Shannon-
Including the cities of Plato, Roby, Bendavis, Huggins, 
Lake Spring, Bangert, Darien, Gladden, Howes, Jadwin, Salem, 
Teresita, Winona, Birch Tree, and Montier
202 PM CST Fri Jan 1 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* WHAT...Light snow expected. Additional snow accumulations of up
  to a half inch.

* WHERE...Texas, Dent and Shannon Counties.

* WHEN...Until 3 PM CST this afternoon.

* IMPACTS...Slick spots will be possible on roadways. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

KSZ101-MOZ088-090-093>097-101>105-012115-
/O.CAN.KSGF.WW.Y.0016.000000T0000Z-210101T2100Z/
Cherokee-Jasper-Greene-Newton-Lawrence-Christian-Douglas-Howell-
McDonald-Barry-Stone-Taney-Ozark-
Including the cities of Baxter Springs, Lowell, Riverton, 
Columbus, Neutral, Sherwin, Stippville, Joplin, Carthage, 
Springfield, Neosho, Aurora, Mount Vernon, Marionville, Nixa, 
Christian Center, Ozark, Selmore, Vanzant, Ava, Goodhope, Rome, 
Squires, Dogwood, Pomona, Pottersville, Siloam Springs, 
South Fork, West Plains, White Church, Anderson, Noel, Goodman, 
South West City, Pineville, Rocky Comfort, Monett, Madry, 
Cassville, Kimberling City, Crane, Elsey, Indian Point, 
Silver Dollar City, Branson, Hollister, Kirbyville, 
Edgewater Beach, Forsyth, Ozark Beach, Powersite, and Wasola
202 PM CST Fri Jan 1 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The threat for freezing rain and snow has ended. However, falling
tree branches and power lines remain possible due to the recent
ice.

$$
1 follow-up statement
450 
WWUS43 KSGF 012058
WSWSGF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Springfield MO
258 PM CST Fri Jan 1 2021

MOZ055>058-069>071-081-012200-
/O.EXP.KSGF.WS.W.0001.000000T0000Z-210101T2100Z/
Benton-Morgan-Miller-Maries-Camden-Pulaski-Phelps-Laclede-
Including the cities of Warsaw, Whitakerville, Cole Camp, 
Crockerville, Mora, Edmonson, Lincoln, Versailles, Rocky Mount, 
Stover, Laurie, Aurora Springs, Eldon, Lake Ozark, Vichy, 
Osage Beach, Camdenton, Decaturville, Roach, 
Village of Four Seasons, Fort Leonard Wood, Laquey, Waynesville, 
Northwye, Rolla, Lynchburg, and Lebanon
258 PM CST Fri Jan 1 2021

...WINTER STORM WARNING WILL EXPIRE AT 3 PM CST THIS AFTERNOON...

Light snow showers and flurries will remain possible for the
remainder of the afternoon, however little or no accumulation is
expected.

$$

MOZ082-083-098-012200-
/O.EXP.KSGF.WW.Y.0001.000000T0000Z-210101T2100Z/
Texas-Dent-Shannon-
Including the cities of Plato, Roby, Bendavis, Huggins, 
Lake Spring, Bangert, Darien, Gladden, Howes, Jadwin, Salem, 
Teresita, Winona, Birch Tree, and Montier
258 PM CST Fri Jan 1 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM CST THIS
AFTERNOON...

Light snow showers and flurries will remain possible for the
remainder of the afternoon, however little or no accumulation is
expected.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 1, 10:43 AM CSTAreal Flood AdvisorySGFBarry, Stone7 hr
Jan 1, 2:02 PM CSTWinter Weather AdvisorySGFDent, Shannon, Texas58 min

Nearby

Winter Storm Warnings in Missouri, 2021Every winter storm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.