Alert archive / Missouri / Winter Weather Advisories in 2021
Winter Weather Advisory 8, NWS Springfield, MO
NWS Springfield, MO issued this winter weather advisory at Feb 9, 2021, 3:37 AM CST for 29 counties in Missouri; Cherokee County, Crawford County, Kansas. It took effect at Feb 9, 2021, 6:00 PM CST. It was in force for 36 hr.
The area
The counties it named.
The facts
- Issued
- Feb 9, 2021, 3:37 AM CST (09:37 UTC)
- In effect from
- Feb 9, 2021, 6:00 PM CST
- Expired
- Feb 11, 2021, 6:00 AM CST
- In force
- 36 hr
- Issued by
- NWS Springfield, MO
All 31 counties
Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Camden County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 36 km from the middle of the area, began a volume at 09:35 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
Little Rock, AR (KLZK), launched 00:00Z, 9.6 hours before the alert went out and 390 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 503 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 334 m²/s²
- 0-3 km storm-relative helicity
- 489 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Springfield, MO wrote its last area forecast discussion before this winter weather advisory went out at Feb 8, 11:14 PM CST, 4 hours 23 minutes earlier.
Area forecast discussion, Feb 8, 11:14 PM CST, 4 hours 23 minutes before
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</html>Hazardous weather outlook, Feb 8, 8:17 PM CST, 7 hours 20 minutes before
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</html>The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 8, 11:53 PM CST | Winter Weather Advisory | SGF | Barry, Camden, Christian, Dallas, Dent, Douglas and 17 more | 4 hr |
Nearby
Winter Weather Advisories in Missouri, 2021Winter Weather Advisories in Kansas, 2021Every winter weather advisory 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.