Alert archive / Missouri / Frost Advisories in 2021
Frost Advisory 5, NWS Springfield, MO
NWS Springfield, MO issued this frost advisory at May 12, 2021, 2:05 PM CDT for 9 counties in Missouri. It took effect at May 13, 2021, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- May 12, 2021, 2:05 PM CDT (19:05 UTC)
- In effect from
- May 13, 2021, 1:00 AM CDT
- Expired
- May 13, 2021, 7:52 AM CDT
- In force
- 7 hr
- Issued by
- NWS Springfield, MO
Counties Dent County, MO, Howell County, MO, Maries County, MO, Miller County, MO, Oregon County, MO, Phelps County, MO, Pulaski County, MO, Shannon County, MO, Texas County, MO
The radar
The Springfield radar (KSGF), 142 km from the middle of the area, began a volume at 19:08 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, 7.1 hours before the alert went out and 187 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
- 1350 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
580 WWUS73 KSGF 121905 NPWSGF URGENT - WEATHER MESSAGE National Weather Service Springfield MO 205 PM CDT Wed May 12 2021 MOZ057-058-070-071-082-083-097-098-106-131300- /O.NEW.KSGF.FR.Y.0005.210513T0600Z-210513T1300Z/ Miller-Maries-Pulaski-Phelps-Texas-Dent-Howell-Shannon-Oregon- Including the cities of Aurora Springs, Eldon, Lake Ozark, Vichy, Fort Leonard Wood, Laquey, Waynesville, Northwye, Rolla, Plato, Roby, Bendavis, Huggins, Lake Spring, Bangert, Darien, Gladden, Howes, Jadwin, Salem, Pomona, Pottersville, Siloam Springs, South Fork, West Plains, White Church, Teresita, Winona, Birch Tree, Montier, Thayer, Alton, Couch, Greer, Thomasville, and Wilderness 205 PM CDT Wed May 12 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT THURSDAY... * WHAT...Temperatures in the middle 30s will result in frost formation. * WHERE...Miller, Maries, Pulaski, Phelps, Texas, Dent, Howell, Shannon and Oregon Counties. * WHEN...From 1 AM to 8 AM CDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
2 follow-up statements
385 WWUS73 KSGF 130935 NPWSGF URGENT - WEATHER MESSAGE National Weather Service Springfield MO 435 AM CDT Thu May 13 2021 MOZ057-058-070-071-082-083-097-098-106-131300- /O.CON.KSGF.FR.Y.0005.000000T0000Z-210513T1300Z/ Miller-Maries-Pulaski-Phelps-Texas-Dent-Howell-Shannon-Oregon- Including the cities of Aurora Springs, Eldon, Lake Ozark, Vichy, Fort Leonard Wood, Laquey, Waynesville, Northwye, Rolla, Plato, Roby, Bendavis, Huggins, Lake Spring, Bangert, Darien, Gladden, Howes, Jadwin, Salem, Pomona, Pottersville, Siloam Springs, South Fork, West Plains, White Church, Teresita, Winona, Birch Tree, Montier, Thayer, Alton, Couch, Greer, Thomasville, and Wilderness 435 AM CDT Thu May 13 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures in the middle 30s will result in frost formation. * WHERE...Howell, Maries, Phelps, Pulaski, Shannon, Miller, Texas, Dent and Oregon Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Titus
163 WWUS73 KSGF 131252 NPWSGF URGENT - WEATHER MESSAGE National Weather Service Springfield MO 752 AM CDT Thu May 13 2021 MOZ057-058-070-071-082-083-097-098-106-131400- /O.CAN.KSGF.FR.Y.0005.000000T0000Z-210513T1300Z/ Miller-Maries-Pulaski-Phelps-Texas-Dent-Howell-Shannon-Oregon- Including the cities of Aurora Springs, Eldon, Lake Ozark, Vichy, Fort Leonard Wood, Laquey, Waynesville, Northwye, Rolla, Plato, Roby, Bendavis, Huggins, Lake Spring, Bangert, Darien, Gladden, Howes, Jadwin, Salem, Pomona, Pottersville, Siloam Springs, South Fork, West Plains, White Church, Teresita, Winona, Birch Tree, Montier, Thayer, Alton, Couch, Greer, Thomasville, and Wilderness 752 AM CDT Thu May 13 2021 ...FROST ADVISORY IS CANCELLED... Temperatures are quickly rising this morning and frost is no longer expected. $$
Nearby
Frost Advisories in Missouri, 2021Every frost 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.