Alert archive / Missouri / Dense Fog Advisories in 2021
Dense Fog Advisory 5, NWS Springfield, MO
NWS Springfield, MO issued this dense fog advisory at Feb 26, 2021, 8:34 PM CST for 25 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 26, 2021, 8:34 PM CST (02:34 UTC)
- Expired
- Feb 27, 2021, 9:00 AM CST
- In force
- 12 hr
- Issued by
- NWS Springfield, MO
All 28 counties
Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Benton County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Polk 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 nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.6 hours before the alert went out and 52 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
- 545 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 225 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 3:11 AM CST | Flood Watch | SGF | Douglas, Howell, Oregon, Ozark, Shannon, Taney | 25 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.