Alert archive / Missouri / Dense Fog Advisories in 2021
Dense Fog Advisory 8, NWS Springfield, MO
NWS Springfield, MO issued this dense fog advisory at Mar 16, 2021, 12:57 AM CDT for 10 counties in Missouri; Bourbon County, Kansas. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Mar 16, 2021, 12:57 AM CDT (05:57 UTC)
- Expired
- Mar 16, 2021, 11:00 AM CDT
- In force
- 10 hr
- Issued by
- NWS Springfield, MO
Counties Bourbon County, KS, Benton County, MO, Camden County, MO, Hickory County, MO, Maries County, MO, Miller County, MO, Morgan County, MO, Phelps County, MO, Pulaski County, MO, St. Clair County, MO, Vernon County, MO
The radar
The Springfield radar (KSGF), 95 km from the middle of the area, began a volume at 05:58 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
Lincoln, IL (KILX), launched 00:00Z, 6.0 hours before the alert went out and 450 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
- 518 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this dense fog 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 dense fog advisory went out at Mar 15, 11:51 PM CDT, 1 hour 6 minutes earlier.
Area forecast discussion, Mar 15, 11:51 PM CDT, 1 hour 6 minutes before
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The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
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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 |
|---|---|---|---|---|
| Mar 16, 9:06 AM CDT | River Flood Watch | SGF | Bourbon | 12 hr |
Nearby
Dense Fog Advisories in Missouri, 2021Dense Fog Advisories in Kansas, 2021Every dense fog 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.