Alert archive / North Dakota / Frost Advisories in 2021

Frost Advisory 3, NWS Bismarck, ND

September 24, 202113 counties in North Dakota

NWS Bismarck, ND issued this frost advisory at Sep 24, 2021, 2:05 PM CDT for 13 counties in North Dakota. It took effect at Sep 25, 2021, 4:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Sep 24, 2021, 2:05 PM CDT (19:05 UTC)
In effect from
Sep 25, 2021, 4:00 AM CDT
Expired
Sep 25, 2021, 8:49 AM CDT
In force
5 hr
Issued by
NWS Bismarck, ND

Counties Burleigh County, ND, Dickey County, ND, Emmons County, ND, Foster County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Mercer County, ND, Oliver County, ND, Sheridan County, ND, Stutsman County, ND, Wells County, ND

The radar

The Bismarck radar (KBIS), 74 km from the middle of the area, began a volume at 19:05 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

Bismarck Municip, ND (KBIS), launched 12:00Z, 7.1 hours before the alert went out and 69 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, Bismarck Municip, ND at 12:00Z on 2021-09-24Temperature 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, Bismarck Municip, ND at 12:00Z on 2021-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -146 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
2604 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-146 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

675 
WWUS73 KBIS 241905
NPWBIS

URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
105 PM MDT Fri Sep 24 2021

NDZ019>023-025-034>037-046>048-050-051-250315-
/O.NEW.KBIS.FR.Y.0003.210925T0900Z-210925T1400Z/
Mercer-Oliver-McLean-Sheridan-Wells-Foster-Morton-Burleigh-Kidder-
Stutsman-Emmons-Logan-La Moure-McIntosh-Dickey-
Including the cities of Fessenden, Carrington, Lamoure, Linton,
Tappen, Mcclusky, Jamestown, Mandan, Hazen, Wishek, Underwood,
Bismarck, Beulah, Harvey, Napoleon, Ashley, Center, Wilton, Kulm,
Garrison, Ellendale, Edgeley, Goodrich, Gackle, Steele, Oakes,
Strasburg, Washburn, and Turtle Lake
105 PM MDT Fri Sep 24 2021 /205 PM CDT Fri Sep 24 2021/

...FROST ADVISORY IN EFFECT FROM 3 AM MDT /4 AM CDT/ TO 8 AM MDT /9 
AM CDT/ SATURDAY...

* WHAT...Temperatures falling to around 32 degrees will result in 
  frost formation.

* WHERE...Portions of south central and southeast North Dakota.

* WHEN...From 3 AM MDT /4 AM CDT/ to 8 AM MDT /9 AM CDT/ Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Gale
4 follow-up statements
440 
WWUS73 KBIS 250308
NPWBIS

URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
908 PM MDT Fri Sep 24 2021

NDZ019>023-025-034>037-046>048-050-051-251400-
/O.CON.KBIS.FR.Y.0003.210925T0900Z-210925T1400Z/
Mercer-Oliver-McLean-Sheridan-Wells-Foster-Morton-Burleigh-Kidder-
Stutsman-Emmons-Logan-La Moure-McIntosh-Dickey-
Including the cities of Fessenden, Carrington, Lamoure, Linton,
Tappen, Mcclusky, Jamestown, Mandan, Hazen, Wishek, Underwood,
Bismarck, Beulah, Harvey, Napoleon, Ashley, Center, Wilton, Kulm,
Garrison, Ellendale, Edgeley, Goodrich, Gackle, Steele, Oakes,
Strasburg, Washburn, and Turtle Lake
908 PM MDT Fri Sep 24 2021 /1008 PM CDT Fri Sep 24 2021/

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM MDT /4 AM CDT/ TO 8 AM 
MDT /9 AM CDT/ SATURDAY...

* WHAT...Temperatures falling to around 32 degrees will result in 
  frost formation.

* WHERE...Much of south central and southeast North Dakota.

* WHEN...From 3 AM MDT /4 AM CDT/ to 8 AM MDT /9 AM CDT/ Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
337 
WWUS73 KBIS 250759
NPWBIS

URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
259 AM CDT Sat Sep 25 2021

NDZ019>023-025-034>037-046>048-050-051-251400-
/O.CON.KBIS.FR.Y.0003.210925T0900Z-210925T1400Z/
Mercer-Oliver-McLean-Sheridan-Wells-Foster-Morton-Burleigh-Kidder-
Stutsman-Emmons-Logan-La Moure-McIntosh-Dickey-
Including the cities of Beulah, Hazen, Center, Garrison, 
Washburn, Underwood, Wilton, Turtle Lake, Mcclusky, Goodrich, 
Harvey, Fessenden, Carrington, Mandan, Bismarck, Steele, Tappen, 
Jamestown, Linton, Strasburg, Napoleon, Gackle, Lamoure, Edgeley,
Kulm, Wishek, Ashley, Oakes, and Ellendale
259 AM CDT Sat Sep 25 2021 /159 AM MDT Sat Sep 25 2021/

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM MDT /4 AM CDT/ TO 8 AM 
MDT /9 AM CDT/ THIS MORNING...

* WHAT...Temperatures falling to around 32 degrees will result 
  in frost formation.

* WHERE...Much of south central and southeast North Dakota.

* WHEN...From 3 AM MDT /4 AM CDT/ to 8 AM MDT /9 AM CDT/ this
  morning.

* IMPACTS...Frost could harm sensitive outdoor vegetation.
  Sensitive outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

MJ
351 
WWUS73 KBIS 251135
NPWBIS

URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
635 AM CDT Sat Sep 25 2021

NDZ019>023-025-034>037-046>048-050-051-251400-
/O.CON.KBIS.FR.Y.0003.000000T0000Z-210925T1400Z/
Mercer-Oliver-McLean-Sheridan-Wells-Foster-Morton-Burleigh-Kidder-
Stutsman-Emmons-Logan-La Moure-McIntosh-Dickey-
Including the cities of Beulah, Hazen, Center, Garrison, 
Washburn, Underwood, Wilton, Turtle Lake, Mcclusky, Goodrich, 
Harvey, Fessenden, Carrington, Mandan, Bismarck, Steele, Tappen, 
Jamestown, Linton, Strasburg, Napoleon, Gackle, Lamoure, Edgeley,
Kulm, Wishek, Ashley, Oakes, and Ellendale
635 AM CDT Sat Sep 25 2021 /535 AM MDT Sat Sep 25 2021/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT /8 AM MDT/
THIS MORNING...

* WHAT...Temperatures falling to around 32 degrees will result 
  in frost formation.

* WHERE...Much of south central and southeast North Dakota.

* WHEN...Until 8 AM MDT /9 AM CDT/ this morning.

* IMPACTS...Frost could harm sensitive outdoor vegetation. 
  Sensitive outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

MJ
726 
WWUS73 KBIS 251349
NPWBIS

URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
749 AM MDT Sat Sep 25 2021

NDZ019>023-025-034>037-046>048-050-051-251500-
/O.CAN.KBIS.FR.Y.0003.000000T0000Z-210925T1400Z/
Mercer-Oliver-McLean-Sheridan-Wells-Foster-Morton-Burleigh-Kidder-
Stutsman-Emmons-Logan-La Moure-McIntosh-Dickey-
Including the cities of Fessenden, Carrington, Lamoure, Linton,
Tappen, Mcclusky, Jamestown, Mandan, Hazen, Wishek, Underwood,
Bismarck, Beulah, Harvey, Napoleon, Ashley, Center, Wilton, Kulm,
Garrison, Ellendale, Edgeley, Goodrich, Gackle, Steele, Oakes,
Strasburg, Washburn, and Turtle Lake
749 AM MDT Sat Sep 25 2021 /849 AM CDT Sat Sep 25 2021/

...FROST ADVISORY IS CANCELLED...

Temperatures have climbed into the upper 30s and 40s across the 
Advisory area. Therefore the Frost Advisory has been cancelled.

$$

Hamilton

Nearby

Frost Advisories in North 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.