Alert archive / South Dakota / Frost Advisories in 2021
Frost Advisory 2, NWS Aberdeen, SD
NWS Aberdeen, SD issued this frost advisory at Oct 15, 2021, 11:38 AM CDT for 12 counties in South Dakota. It took effect at Oct 16, 2021, 12:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Oct 15, 2021, 11:38 AM CDT (16:38 UTC)
- In effect from
- Oct 16, 2021, 12:00 AM CDT
- Expired
- Oct 16, 2021, 9:29 AM CDT
- In force
- 9 hr
- Issued by
- NWS Aberdeen, SD
Counties Buffalo County, SD, Deuel County, SD, Dewey County, SD, Grant County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Potter County, SD, Stanley County, SD, Sully County, SD
The radar
The Aberdeen radar (KABR), 129 km from the middle of the area, began a volume at 16:39 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
Aberdeen, SD (KABR), launched 12:00Z, 4.6 hours before the alert went out and 91 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
- 830 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
019 WWUS73 KABR 151638 NPWABR URGENT - WEATHER MESSAGE National Weather Service Aberdeen SD 1138 AM CDT Fri Oct 15 2021 MNZ039-046-SDZ003>011-017>020-022-160045- /O.NEW.KABR.FZ.W.0002.211016T0500Z-211016T1500Z/ Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall- Roberts-Walworth-Edmunds-Day-Faulk-Spink-Clark-Codington-Hamlin- Including the cities of Wheaton, Ortonville, McIntosh, Herreid, Eureka, Aberdeen, Britton, Sisseton, Mobridge, Ipswich, Webster, Faulkton, Redfield, Clark, Watertown, and Hayti 1138 AM CDT Fri Oct 15 2021 /1038 AM MDT Fri Oct 15 2021/ ...FREEZE WARNING IN EFFECT FROM MIDNIGHT CDT /11 PM MDT/ TONIGHT TO 10 AM CDT /9 AM MDT/ SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of north central and northeast South Dakota and west central Minnesota. * WHEN...From midnight CDT /11 PM MDT/ tonight to 10 AM CDT /9 AM MDT/ Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ SDZ015-016-021-023-033>037-045-048-051-160045- /O.NEW.KABR.FR.Y.0002.211016T0500Z-211016T1500Z/ Dewey-Potter-Grant-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones- Lyman-Buffalo- Including the cities of Isabel, Gettysburg, Milbank, Clear Lake, Fort Pierre, Onida, Pierre, Highmore, Miller, Murdo, Kennebec, and Fort Thompson 1138 AM CDT Fri Oct 15 2021 /1038 AM MDT Fri Oct 15 2021/ ...FROST ADVISORY IN EFFECT FROM MIDNIGHT CDT /11 PM MDT/ TONIGHT TO 10 AM CDT /9 AM MDT/ SATURDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of central, north central and northeast South Dakota. * WHEN...From midnight CDT /11 PM MDT/ tonight to 10 AM CDT /9 AM MDT/ Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Dorn
3 follow-up statements
918 WWUS73 KABR 152354 NPWABR URGENT - WEATHER MESSAGE National Weather Service Aberdeen SD 654 PM CDT Fri Oct 15 2021 MNZ039-046-SDZ003>011-017>020-022-160900- /O.CON.KABR.FZ.W.0002.211016T0500Z-211016T1500Z/ Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall- Roberts-Walworth-Edmunds-Day-Faulk-Spink-Clark-Codington-Hamlin- Including the cities of Wheaton, Ortonville, McIntosh, Herreid, Eureka, Aberdeen, Britton, Sisseton, Mobridge, Ipswich, Webster, Faulkton, Redfield, Clark, Watertown, and Hayti 654 PM CDT Fri Oct 15 2021 /554 PM MDT Fri Oct 15 2021/ ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT CDT /11 PM MDT/ TONIGHT TO 10 AM CDT /9 AM MDT/ SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of north central and northeast South Dakota and west central Minnesota. * WHEN...From midnight CDT /11 PM MDT/ tonight to 10 AM CDT /9 AM MDT/ Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ SDZ015-016-021-023-033>037-045-048-051-160900- /O.CON.KABR.FR.Y.0002.211016T0500Z-211016T1500Z/ Dewey-Potter-Grant-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones- Lyman-Buffalo- Including the cities of Isabel, Gettysburg, Milbank, Clear Lake, Fort Pierre, Onida, Pierre, Highmore, Miller, Murdo, Kennebec, and Fort Thompson 654 PM CDT Fri Oct 15 2021 /554 PM MDT Fri Oct 15 2021/ ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT CDT /11 PM MDT/ TONIGHT TO 10 AM CDT /9 AM MDT/ SATURDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of central, north central and northeast South Dakota. * WHEN...From midnight CDT /11 PM MDT/ tonight to 10 AM CDT /9 AM MDT/ Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Mohr
963 WWUS73 KABR 160740 NPWABR URGENT - WEATHER MESSAGE National Weather Service Aberdeen SD 240 AM CDT Sat Oct 16 2021 MNZ039-046-SDZ003>011-017>020-022-161500- /O.CON.KABR.FZ.W.0002.000000T0000Z-211016T1500Z/ Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall- Roberts-Walworth-Edmunds-Day-Faulk-Spink-Clark-Codington-Hamlin- Including the cities of Wheaton, Ortonville, McIntosh, Herreid, Eureka, Aberdeen, Britton, Sisseton, Mobridge, Ipswich, Webster, Faulkton, Redfield, Clark, Watertown, and Hayti 240 AM CDT Sat Oct 16 2021 /140 AM MDT Sat Oct 16 2021/ ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT /9 AM MDT/ THIS MORNING... * WHAT...Sub-freezing temperatures as low as 28. * WHERE...Portions of north central and northeast South Dakota and west central Minnesota. * WHEN...Until 10 AM CDT /9 AM MDT/ this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ SDZ015-016-021-023-033>037-045-048-051-161500- /O.CON.KABR.FR.Y.0002.000000T0000Z-211016T1500Z/ Dewey-Potter-Grant-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones- Lyman-Buffalo- Including the cities of Isabel, Gettysburg, Milbank, Clear Lake, Fort Pierre, Onida, Pierre, Highmore, Miller, Murdo, Kennebec, and Fort Thompson 240 AM CDT Sat Oct 16 2021 /140 AM MDT Sat Oct 16 2021/ ...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT /9 AM MDT/ THIS MORNING... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of central, north central and northeast South Dakota. * WHEN...Until 10 AM CDT /9 AM MDT/ this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ KF
762 WWUS73 KABR 161429 NPWABR URGENT - WEATHER MESSAGE National Weather Service Aberdeen SD 929 AM CDT Sat Oct 16 2021 MNZ039-046-SDZ003>011-017>020-022-161530- /O.CAN.KABR.FZ.W.0002.000000T0000Z-211016T1500Z/ Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall- Roberts-Walworth-Edmunds-Day-Faulk-Spink-Clark-Codington-Hamlin- Including the cities of Wheaton, Ortonville, McIntosh, Herreid, Eureka, Aberdeen, Britton, Sisseton, Mobridge, Ipswich, Webster, Faulkton, Redfield, Clark, Watertown, and Hayti 929 AM CDT Sat Oct 16 2021 /829 AM MDT Sat Oct 16 2021/ ...FREEZE WARNING IS CANCELLED... Morning sunshine is helping lift temperatures back above freezing. $$ SDZ015-016-021-023-033>037-045-048-051-161530- /O.CAN.KABR.FR.Y.0002.000000T0000Z-211016T1500Z/ Dewey-Potter-Grant-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones- Lyman-Buffalo- Including the cities of Isabel, Gettysburg, Milbank, Clear Lake, Fort Pierre, Onida, Pierre, Highmore, Miller, Murdo, Kennebec, and Fort Thompson 929 AM CDT Sat Oct 16 2021 /829 AM MDT Sat Oct 16 2021/ ...FROST ADVISORY IS CANCELLED... The potential for frost has passed. $$ Dorn
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 11:38 AM CDT | Freeze Warning | ABR | Brown, Campbell, Clark, Codington, Corson, Day and 8 more | 22 hr |
Nearby
Frost Advisories in South Dakota, 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.