Alert archive / South Dakota / Wind Advisories in 2020

Wind Advisory 13, NWS Sioux Falls, SD

May 9, 202014 counties in South Dakota

NWS Sioux Falls, SD issued this wind advisory at May 9, 2020, 3:54 AM CDT for 14 counties in South Dakota. It took effect at May 9, 2020, 2:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
May 9, 2020, 3:54 AM CDT (08:54 UTC)
In effect from
May 9, 2020, 2:00 PM CDT
Expired
May 9, 2020, 9:00 PM CDT
In force
7 hr
Issued by
NWS Sioux Falls, SD

Counties Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brule County, SD, Charles Mix County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Miner County, SD, Sanborn County, SD

The radar

The Sioux Falls radar (KFSD), 123 km from the middle of the area, began a volume at 08:56 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 00:00Z, 8.9 hours before the alert went out and 134 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.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2020-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2020-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2198 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

436 
WWUS73 KFSD 090854
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
354 AM CDT Sat May 9 2020

IAZ001-MNZ097-098-SDZ040-056-062-067-091700-
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
/O.CON.KFSD.FR.Y.0002.200509T0900Z-200509T1300Z/
Lyon-Pipestone-Rock-Brookings-Moody-Minnehaha-Lincoln-
354 AM CDT Sat May 9 2020

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...
...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30 expected. For the Frost Advisory, temperatures as 
  low as 30 to 35 with light winds will result in frost 
  formation.

* WHERE...In South Dakota, Brookings, Moody, Minnehaha and 
  Lincoln Counties. In Iowa, Lyon County. In Minnesota, 
  Pipestone and Rock Counties.

* WHEN...For the Freeze Warning, from 2 AM to 8 AM CDT Sunday. 
  For the Frost Advisory, until 8 AM CDT 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.

&&

$$

SDZ050-057-063-091700-
/O.NEW.KFSD.WI.Y.0013.200509T1900Z-200510T0100Z/
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
Gregory-Brule-Charles Mix-
354 AM CDT Sat May 9 2020

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM CDT
THIS EVENING...
...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low
  as 28 expected. For the Wind Advisory, northwest winds 25 to 35
  mph with gusts up to 45 mph expected.

* WHERE...Gregory, Brule and Charles Mix Counties.

* WHEN...For the Freeze Warning, from 2 AM to 8 AM CDT Sunday. 
  For the Wind Advisory, from 2 PM this afternoon to 8 PM CDT 
  this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

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.

&&

$$

SDZ038-039-052>055-058>061-064>066-068>070-091700-
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
Beadle-Kingsbury-Jerauld-Sanborn-Miner-Lake-Aurora-Davison-Hanson-
McCook-Douglas-Hutchinson-Turner-Bon Homme-Yankton-Clay-
354 AM CDT Sat May 9 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...Sub-freezing temperatures as low as 29 expected.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota.

* WHEN...From 2 AM to 8 AM CDT Sunday.

* 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.

&&

$$

IAZ002-003-012>014-020>022-031-032-MNZ071-080-081-089-090-NEZ013-
014-SDZ071-091300-
/O.CON.KFSD.FR.Y.0002.200509T0900Z-200509T1300Z/
Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Dixon-Dakota-Union-
354 AM CDT Sat May 9 2020

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 32 to 35 and light winds will 
  result in frost formation.

* WHERE...In South Dakota, Union County. In Nebraska, Dixon and 
  Dakota Counties. In Minnesota, Lincoln, Murray, Cottonwood, 
  Nobles and Jackson Counties. In Iowa, Buena Vista, Woodbury 
  and Ida counties.

* WHEN...Until 8 AM CDT Saturday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/siouxfalls
5 follow-up statements
330 
WWUS73 KFSD 091146
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
646 AM CDT Sat May 9 2020

MNZ097-SDZ040-056-062-067-092000-
/O.CAN.KFSD.FR.Y.0002.000000T0000Z-200509T1300Z/
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
Pipestone-Brookings-Moody-Minnehaha-Lincoln-
646 AM CDT Sat May 9 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...
...FROST ADVISORY IS CANCELLED...

* WHAT...For the Freeze Warning tonight and early Sunday, sub-
  freezing temperatures as low as 30 expected. 

* WHERE...In South Dakota, Moody, Brookings, Lincoln and 
  Minnehaha Counties. In Minnesota, Pipestone County.

* WHEN...From 2 AM to 8 AM CDT Sunday.

* 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.

&&

$$

MNZ071-NEZ013-091300-
/O.CAN.KFSD.FR.Y.0002.000000T0000Z-200509T1300Z/
Lincoln-Dixon-
646 AM CDT Sat May 9 2020

...FROST ADVISORY IS CANCELLED...

Temperatures have warmed with southerly winds starting early this
morning.

$$

IAZ001-MNZ098-092000-
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
/O.CON.KFSD.FR.Y.0002.000000T0000Z-200509T1300Z/
Lyon-Rock-
646 AM CDT Sat May 9 2020

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...
...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30 expected. For the Frost Advisory, temperatures as 
  low as 30 to 35 with light winds will result in frost 
  formation.

* WHERE...In South Dakota, Brookings, Moody, Minnehaha and 
  Lincoln Counties. In Iowa, Lyon County. In Minnesota, 
  Pipestone and Rock Counties.

* WHEN...For the Freeze Warning, from 2 AM to 8 AM CDT Sunday. 
  For the Frost Advisory, until 8 AM CDT 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.

&&

$$

SDZ050-057-063-092000-
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
/O.CON.KFSD.WI.Y.0013.200509T1900Z-200510T0100Z/
Gregory-Brule-Charles Mix-
646 AM CDT Sat May 9 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM CDT THIS EVENING...
...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 28 expected. For the Wind Advisory, northwest winds 25 
  to 35 mph with gusts up to 45 mph expected.

* WHERE...Gregory, Brule and Charles Mix Counties.

* WHEN...For the Freeze Warning, from 2 AM to 8 AM CDT Sunday. 
  For the Wind Advisory, from 2 PM this afternoon to 8 PM CDT 
  this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

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.

&&

$$

SDZ038-039-052>055-058>061-064>066-068>070-092000-
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
Beadle-Kingsbury-Jerauld-Sanborn-Miner-Lake-Aurora-Davison-Hanson-
McCook-Douglas-Hutchinson-Turner-Bon Homme-Yankton-Clay-
646 AM CDT Sat May 9 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...Sub-freezing temperatures as low as 29 expected.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota.

* WHEN...From 2 AM to 8 AM CDT Sunday.

* 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.

&&

$$

IAZ002-003-012>014-020>022-031-032-MNZ080-081-089-090-NEZ014-
SDZ071-091300-
/O.CON.KFSD.FR.Y.0002.000000T0000Z-200509T1300Z/
Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Murray-Cottonwood-Nobles-Jackson-Dakota-
Union-
646 AM CDT Sat May 9 2020

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 32 to 35 and light winds will 
  result in frost formation.

* WHERE...In South Dakota, Union County. In Nebraska, Dixon and 
  Dakota Counties. In Minnesota, Lincoln, Murray, Cottonwood, 
  Nobles and Jackson Counties. In Iowa, Buena Vista, Woodbury 
  and Ida counties.

* WHEN...Until 8 AM CDT Saturday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/siouxfalls
421 
WWUS73 KFSD 091239
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
739 AM CDT Sat May 9 2020

IAZ001-MNZ098-100000-
/O.EXP.KFSD.FR.Y.0002.000000T0000Z-200509T1300Z/
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
Lyon-Rock-
739 AM CDT Sat May 9 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...
...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...In Iowa, Lyon County. In Minnesota, Rock County.

* WHEN...From 2 AM to 8 AM CDT Sunday.

* IMPACTS...Frost and freeze conditions may 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.

&&

$$

IAZ002-003-012>014-020>022-031-032-MNZ080-081-089-090-NEZ014-
SDZ071-091345-
/O.EXP.KFSD.FR.Y.0002.000000T0000Z-200509T1300Z/
Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Murray-Cottonwood-Nobles-Jackson-Dakota-
Union-
739 AM CDT Sat May 9 2020

...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING...

Morning sunshine has begun to warm surface temperatures, therefore
the Frost Advisory will be allowed to expire.

$$

SDZ050-057-063-100000-
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
/O.CON.KFSD.WI.Y.0013.200509T1900Z-200510T0100Z/
Gregory-Brule-Charles Mix-
739 AM CDT Sat May 9 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM CDT THIS EVENING...
...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 28 expected. For the Wind Advisory, northwest winds 20 
  to 30 mph with gusts up to 45 mph expected.

* WHERE...Charles Mix, Brule and Gregory Counties.

* WHEN...For the Freeze Warning, from 2 AM to 8 AM CDT Sunday. 
  For the Wind Advisory, from 2 PM this afternoon to 8 PM CDT 
  this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Frost
  and freeze conditions may kill crops, other sensitive 
  vegetation and possibly damage unprotected outdoor plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

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.

&&

$$

MNZ097-SDZ038>040-052>056-058>062-064>070-100000-
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
Pipestone-Beadle-Kingsbury-Brookings-Jerauld-Sanborn-Miner-Lake-
Moody-Aurora-Davison-Hanson-McCook-Minnehaha-Douglas-Hutchinson-
Turner-Lincoln-Bon Homme-Yankton-Clay-
739 AM CDT Sat May 9 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...Sub-freezing temperatures as low as 29 expected.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota and southwest Minnesota.

* WHEN...From 2 AM to 8 AM CDT Sunday.

* IMPACTS...Frost and freeze conditions may 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.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/siouxfalls
930 
WWUS73 KFSD 091724
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1224 PM CDT Sat May 9 2020

SDZ038-039-052>054-058>060-064-065-068-100530-
/O.EXB.KFSD.WI.Y.0013.200509T1900Z-200510T0200Z/
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
Beadle-Kingsbury-Jerauld-Sanborn-Miner-Aurora-Davison-Hanson-
Douglas-Hutchinson-Bon Homme-
1224 PM CDT Sat May 9 2020

...WIND ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...
...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30 expected. For the Wind Advisory, northwest winds 20 
  to 30 mph with gusts up to 50 mph expected.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota.

* WHEN...For the Freeze Warning, from 2 AM to 8 AM CDT Sunday. 
  For the Wind Advisory, until 9 PM CDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Frost and freeze conditions may kill crops, other sensitive 
  vegetation and possibly damage unprotected outdoor plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

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.

&&

$$

SDZ050-057-063-100530-
/O.EXT.KFSD.WI.Y.0013.200509T1900Z-200510T0200Z/
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
Gregory-Brule-Charles Mix-
1224 PM CDT Sat May 9 2020

...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM CDT THIS EVENING...
...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30 expected. For the Wind Advisory, northwest winds 20 
  to 30 mph with gusts up to 50 mph expected.

* WHERE...Charles Mix, Brule and Gregory Counties.

* WHEN...For the Freeze Warning, from 2 AM to 8 AM CDT Sunday. 
  For the Wind Advisory, until 9 PM CDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Frost and freeze conditions may kill crops, other sensitive 
  vegetation and possibly damage unprotected outdoor plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

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.

&&

$$

IAZ001-MNZ097-098-SDZ040-055-056-061-062-066-067-069-070-100530-
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1300Z/
Lyon-Pipestone-Rock-Brookings-Lake-Moody-McCook-Minnehaha-Turner-
Lincoln-Yankton-Clay-
1224 PM CDT Sat May 9 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT
SUNDAY...

* WHAT...Sub-freezing temperatures as low as 30 expected.

* WHERE...Portions of east central and southeast South Dakota, 
  northwest Iowa and southwest Minnesota.

* WHEN...From 2 AM to 8 AM CDT Sunday.

* IMPACTS...Frost and freeze conditions may 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.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/siouxfalls
841 
WWUS73 KFSD 091929
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
229 PM CDT Sat May 9 2020

IAZ002-012-013-MNZ071-072-080-089-NEZ013-101400-
/O.EXB.KFSD.FZ.W.0002.200510T0700Z-200510T1400Z/
Osceola-Sioux-O'Brien-Lincoln-Lyon-Murray-Nobles-Dixon-
229 PM CDT Sat May 9 2020

...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...In Nebraska, Dixon County. In Iowa, Osceola, Sioux and 
  O'Brien Counties. In Minnesota, Lincoln, Lyon, Murray and 
  Nobles Counties.

* WHEN...From 2 AM to 9 AM CDT Sunday.

* IMPACTS...Frost and freeze conditions may 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.

&&

$$

SDZ038-039-050-052>054-057>060-063>065-068-101400-
/O.EXT.KFSD.FZ.W.0002.200510T0700Z-200510T1400Z/
/O.CON.KFSD.WI.Y.0013.000000T0000Z-200510T0200Z/
Beadle-Kingsbury-Gregory-Jerauld-Sanborn-Miner-Brule-Aurora-
Davison-Hanson-Charles Mix-Douglas-Hutchinson-Bon Homme-
229 PM CDT Sat May 9 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...
...FREEZE WARNING NOW IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30 expected. For the Wind Advisory, northwest winds 20 
  to 30 mph with gusts up to 50 mph.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota.

* WHEN...For the Freeze Warning, from 2 AM to 9 AM CDT Sunday. 
  For the Wind Advisory, until 9 PM CDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Frost
  and freeze conditions may kill crops, other sensitive 
  vegetation and possibly damage unprotected outdoor plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

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.

&&

$$

IAZ001-MNZ097-098-SDZ040-055-056-061-062-066-067-069-070-101400-
/O.EXT.KFSD.FZ.W.0002.200510T0700Z-200510T1400Z/
Lyon-Pipestone-Rock-Brookings-Lake-Moody-McCook-Minnehaha-Turner-
Lincoln-Yankton-Clay-
229 PM CDT Sat May 9 2020

...FREEZE WARNING NOW IN EFFECT FROM 2 AM TO 9 AM CDT SUNDAY...

* WHAT...Sub-freezing temperatures as low as 30 expected.

* WHERE...Portions of east central and southeast South Dakota, 
  northwest Iowa and southwest Minnesota.

* WHEN...From 2 AM to 9 AM CDT Sunday.

* IMPACTS...Frost and freeze conditions may 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.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/siouxfalls
215 
WWUS73 KFSD 100153
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
853 PM CDT Sat May 9 2020

SDZ038-039-050-052>054-057>060-063>065-068-101100-
/O.EXP.KFSD.WI.Y.0013.000000T0000Z-200510T0200Z/
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1400Z/
Beadle-Kingsbury-Gregory-Jerauld-Sanborn-Miner-Brule-Aurora-
Davison-Hanson-Charles Mix-Douglas-Hutchinson-Bon Homme-
853 PM CDT Sat May 9 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT
SUNDAY...
...WIND ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING...

* WHAT...An isolated wind gust to 40 mph will be possible through
  10 pm. Sub- freezing temperatures as low as 31 expected.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota.

* WHEN...For the Freeze Warning, from 2 AM to 9 AM CDT Sunday. 
  For the Wind Advisory, until 9 PM CDT this evening.

* 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.

&&

$$

IAZ001-002-012-013-MNZ071-072-080-089-097-098-NEZ013-SDZ040-055-
056-061-062-066-067-069-070-101100-
/O.CON.KFSD.FZ.W.0002.200510T0700Z-200510T1400Z/
Lyon-Osceola-Sioux-O'Brien-Lincoln-Murray-Nobles-Pipestone-Rock-
Dixon-Brookings-Lake-Moody-McCook-Minnehaha-Turner-Yankton-Clay-
853 PM CDT Sat May 9 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CDT
SUNDAY...

* WHAT...Sub-freezing temperatures as low as 30 expected.

* WHERE...Portions of east central and southeast South Dakota, 
  northwest Iowa and southwest Minnesota.

* WHEN...From 2 AM to 9 AM CDT Sunday.

* IMPACTS...Frost and freeze conditions may 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.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/siouxfalls

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 3:38 AM CDTFreeze WarningFSDAurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 17 more29 hr

Nearby

Wind Advisories in South Dakota, 2020Every wind 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.