Alert archive / Missouri / Frost Advisories in 2020
Frost Advisory 1, NWS Springfield, MO
NWS Springfield, MO issued this frost advisory at Apr 14, 2020, 2:11 PM CDT for 13 counties in Missouri; Cherokee County, Kansas. It took effect at Apr 15, 2020, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 14, 2020, 2:11 PM CDT (19:11 UTC)
- In effect from
- Apr 15, 2020, 1:00 AM CDT
- Expired
- Apr 15, 2020, 8:17 AM CDT
- In force
- 7 hr
- Issued by
- NWS Springfield, MO
Counties Cherokee County, KS, Camden County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Greene County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Newton County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Webster County, MO
The radar
The Springfield radar (KSGF), 32 km from the middle of the area, began a volume at 19:10 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 12:00Z, 7.2 hours before the alert went out and 83 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
- 1427 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- -103 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost 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 frost advisory went out at Apr 14, 12:58 PM CDT, 1 hour 13 minutes earlier.
Area forecast discussion, Apr 14, 12:58 PM CDT, 1 hour 13 minutes before
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</html>Hazardous weather outlook, Apr 14, 4:10 AM CDT, 10 hours 1 minute 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 |
|---|---|---|---|---|
| Apr 14, 2:11 PM CDT | Freeze Warning | SGF | Barry, Christian, Douglas, Howell, McDonald, Oregon and 6 more | 18 hr |
Nearby
Frost Advisories in Missouri, 2020Frost Advisories in Kansas, 2020Every frost advisory in 2020
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.