Alert archive / North Dakota / Frost Advisories in 2021
Frost Advisory 2, NWS Bismarck, ND
NWS Bismarck, ND issued this frost advisory at Sep 16, 2021, 1:31 PM MDT for 16 counties in North Dakota. It took effect at Sep 17, 2021, 1:00 AM MDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 16, 2021, 1:31 PM MDT (19:31 UTC)
- In effect from
- Sep 17, 2021, 1:00 AM MDT
- Expired
- Sep 17, 2021, 7:00 AM MDT
- In force
- 6 hr
- Issued by
- NWS Bismarck, ND
Counties Adams County, ND, Billings County, ND, Bowman County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McKenzie County, ND, Mercer County, ND, Mountrail County, ND, Oliver County, ND, Slope County, ND, Stark County, ND, Williams County, ND
The radar
The Bismarck radar (KBIS), 162 km from the middle of the area, began a volume at 19:33 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, 7.5 hours before the alert went out and 166 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
- 2058 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 268 m²/s²
- 0-3 km storm-relative helicity
- 481 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
493 WWUS73 KBIS 161931 NPWBIS URGENT - WEATHER MESSAGE National Weather Service Bismarck ND 231 PM CDT Thu Sep 16 2021 NDZ001-002-009-010-017>020-031>034-040>044-170345- /O.NEW.KBIS.FR.Y.0002.210917T0700Z-210917T1300Z/ Divide-Burke-Williams-Mountrail-McKenzie-Dunn-Mercer-Oliver- Golden Valley-Billings-Stark-Morton-Slope-Hettinger-Grant-Bowman- Adams- Including the cities of Parshall, Hettinger, Killdeer, Dickinson, Mandan, Marmarth, New Leipzig, New Town, Watford City, Columbus, Hazen, New England, Portal, Lignite, Mott, Beach, Beulah, Center, Bowman, Medora, Bowbells, Carson, Elgin, Halliday, Crosby, Powers Lake, Stanley, and Williston 231 PM CDT Thu Sep 16 2021 /131 PM MDT Thu Sep 16 2021/ ...FROST ADVISORY IN EFFECT FROM 2 AM CDT /1 AM MDT/ TO 8 AM CDT /7 AM MDT/ FRIDAY... * WHAT...Temperatures as low as 34 degrees will result in frost formation, especially for low lying and sheltered areas. * WHERE...Western North Dakota. * WHEN...From 2 AM CDT /1 AM MDT/ to 8 AM CDT /7 AM MDT/ Friday. * 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. && $$ Heinert
3 follow-up statements
600 WWUS73 KBIS 170228 NPWBIS URGENT - WEATHER MESSAGE National Weather Service Bismarck ND 928 PM CDT Thu Sep 16 2021 NDZ001-002-009-010-017>020-031>034-040>044-171030- /O.CON.KBIS.FR.Y.0002.210917T0700Z-210917T1300Z/ Divide-Burke-Williams-Mountrail-McKenzie-Dunn-Mercer-Oliver- Golden Valley-Billings-Stark-Morton-Slope-Hettinger-Grant-Bowman- Adams- Including the cities of Parshall, Hettinger, Killdeer, Dickinson, Mandan, Marmarth, New Leipzig, New Town, Watford City, Columbus, Hazen, New England, Portal, Lignite, Mott, Beach, Beulah, Center, Bowman, Medora, Bowbells, Carson, Elgin, Halliday, Crosby, Powers Lake, Stanley, and Williston 928 PM CDT Thu Sep 16 2021 /828 PM MDT Thu Sep 16 2021/ ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM CDT /1 AM MDT/ TO 8 AM CDT /7 AM MDT/ FRIDAY... * WHAT...Temperatures as low as 34 degrees will result in frost formation, especially for low lying and sheltered areas. * WHERE...Western North Dakota. * WHEN...From 2 AM CDT /1 AM MDT/ to 8 AM CDT /7 AM MDT/ Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Telken
785 WWUS73 KBIS 170905 NPWBIS URGENT - WEATHER MESSAGE National Weather Service Bismarck ND 405 AM CDT Fri Sep 17 2021 NDZ001-002-009-010-017>020-031>034-040>044-171300- /O.CON.KBIS.FR.Y.0002.000000T0000Z-210917T1300Z/ Divide-Burke-Williams-Mountrail-McKenzie-Dunn-Mercer-Oliver- Golden Valley-Billings-Stark-Morton-Slope-Hettinger-Grant-Bowman- Adams- Including the cities of Parshall, Hettinger, Killdeer, Dickinson, Mandan, Marmarth, New Leipzig, New Town, Watford City, Columbus, Hazen, New England, Portal, Lignite, Mott, Beach, Beulah, Center, Bowman, Medora, Bowbells, Carson, Elgin, Halliday, Crosby, Powers Lake, Stanley, and Williston 405 AM CDT Fri Sep 17 2021 /305 AM MDT Fri Sep 17 2021/ ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT/7 AM MDT/ THIS MORNING... * WHAT...Temperatures as low as 34 degrees will result in frost formation, especially for low lying and sheltered areas. * WHERE...Western North Dakota. * WHEN...Until 8 AM CDT/7 AM MDT/ 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. && $$
730 WWUS73 KBIS 171301 NPWBIS URGENT - WEATHER MESSAGE National Weather Service Bismarck ND 801 AM CDT Fri Sep 17 2021 NDZ001-002-009-010-017>020-031>034-040>044-171415- /O.EXP.KBIS.FR.Y.0002.000000T0000Z-210917T1300Z/ Divide-Burke-Williams-Mountrail-McKenzie-Dunn-Mercer-Oliver- Golden Valley-Billings-Stark-Morton-Slope-Hettinger-Grant-Bowman- Adams- Including the cities of Parshall, Hettinger, Killdeer, Dickinson, Mandan, Marmarth, New Leipzig, New Town, Watford City, Columbus, Hazen, New England, Portal, Lignite, Mott, Beach, Beulah, Center, Bowman, Medora, Bowbells, Carson, Elgin, Halliday, Crosby, Powers Lake, Stanley, and Williston 801 AM CDT Fri Sep 17 2021 /701 AM MDT Fri Sep 17 2021/ ...FROST ADVISORY HAS EXPIRED... Temperatures will quickly warm into the 40s this morning. The Frost Advisory has been allowed to expire. $$ Hollan
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.