Alert archive / Mississippi / Freeze Warnings in 2021
Freeze Warning 2, NWS Jackson, MS
NWS Jackson, MS issued this freeze warning at Apr 2, 2021, 9:51 AM CDT for 27 counties in Mississippi. It took effect at Apr 3, 2021, 1:00 AM CDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 2, 2021, 9:51 AM CDT (14:51 UTC)
- In effect from
- Apr 3, 2021, 1:00 AM CDT
- Expired
- Apr 3, 2021, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Jackson, MS
All 27 counties
Attala County, MS, Carroll County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Covington County, MS, Forrest County, MS, Grenada County, MS, Holmes County, MS, Jasper County, MS, Jones County, MS, Kemper County, MS, Lauderdale County, MS, Leake County, MS, Lowndes County, MS, Madison County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Webster County, MS, Winston County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 81 km from the middle of the area, began a volume at 14:52 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
Jackson, MS (KJAN), launched 12:00Z, 2.9 hours before the alert went out and 86 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
- 1867 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -68 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
857 WWUS74 KJAN 021451 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 951 AM CDT Fri Apr 2 2021 MSZ026>033-037>039-044>046-051-052-058-022300- /O.NEW.KJAN.FZ.W.0002.210403T0600Z-210403T1300Z/ Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha- Attala-Winston-Noxubee-Leake-Neshoba-Kemper-Newton-Lauderdale- Clarke- Including the cities of Grenada, Vaiden, North Carrollton, Carrollton, Winona, Eupora, Mathiston, West Point, Columbus, Ackerman, Weir, Starkville, Kosciusko, Louisville, Macon, Brooksville, Carthage, Philadelphia, Pearl River, De Kalb, Scooba, Newton, Union, Decatur, Conehatta, Meridian, Quitman, Stonewall, and Shubuta 951 AM CDT Fri Apr 2 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of north central and east central Mississippi. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will likely be capable of killing crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
3 follow-up statements
520 WWUS74 KJAN 021944 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 244 PM CDT Fri Apr 2 2021 MSZ036-043-049-050-055>057-065-066-074-030345- /O.EXA.KJAN.FZ.W.0002.210403T0600Z-210403T1300Z/ Holmes-Madison MS-Rankin-Scott-Simpson-Smith-Jasper-Covington- Jones-Forrest- Including the cities of Durant, Tchula, Lexington, Pickens, Goodman, Ridgeland, Madison, Canton, Pearl, Brandon, Richland, Forest, Morton, Magee, Mendenhall, Taylorsville, Raleigh, Bay Springs, Heidelberg, Collins, Mount Olive, Laurel, and Hattiesburg 244 PM CDT Fri Apr 2 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Holmes, Madison MS, Rankin, Scott, Simpson, Smith, Jasper, Covington, Jones and Forrest Counties. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will likely be capable of killing crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MSZ026>033-037>039-044>046-051-052-058-030345- /O.CON.KJAN.FZ.W.0002.210403T0600Z-210403T1300Z/ Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha- Attala-Winston-Noxubee-Leake-Neshoba-Kemper-Newton-Lauderdale- Clarke- Including the cities of Grenada, Vaiden, North Carrollton, Carrollton, Winona, Eupora, Mathiston, West Point, Columbus, Ackerman, Weir, Starkville, Kosciusko, Louisville, Macon, Brooksville, Carthage, Philadelphia, Pearl River, De Kalb, Scooba, Newton, Union, Decatur, Conehatta, Meridian, Quitman, Stonewall, and Shubuta 244 PM CDT Fri Apr 2 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of north central and east central Mississippi. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will likely be capable of killing crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
212 WWUS74 KJAN 030156 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 856 PM CDT Fri Apr 2 2021 MSZ026>033-036>039-043>046-049>052-055>058-065-066-074-031000- /O.CON.KJAN.FZ.W.0002.210403T0600Z-210403T1300Z/ Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha- Holmes-Attala-Winston-Noxubee-Madison MS-Leake-Neshoba-Kemper- Rankin-Scott-Newton-Lauderdale-Simpson-Smith-Jasper-Clarke- Covington-Jones-Forrest- Including the cities of Grenada, Vaiden, North Carrollton, Carrollton, Winona, Eupora, Mathiston, West Point, Columbus, Ackerman, Weir, Starkville, Durant, Tchula, Lexington, Pickens, Goodman, Kosciusko, Louisville, Macon, Brooksville, Ridgeland, Madison, Canton, Carthage, Philadelphia, Pearl River, De Kalb, Scooba, Pearl, Brandon, Richland, Forest, Morton, Newton, Union, Decatur, Conehatta, Meridian, Magee, Mendenhall, Taylorsville, Raleigh, Bay Springs, Heidelberg, Quitman, Stonewall, Shubuta, Collins, Mount Olive, Laurel, and Hattiesburg 856 PM CDT Fri Apr 2 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of north central and east central Mississippi. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will likely be capable of killing crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
261 WWUS74 KJAN 031042 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 542 AM CDT Sat Apr 3 2021 MSZ026>033-036>039-043>046-049>052-055>058-065-066-074-031300- /O.CON.KJAN.FZ.W.0002.000000T0000Z-210403T1300Z/ Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha- Holmes-Attala-Winston-Noxubee-Madison MS-Leake-Neshoba-Kemper- Rankin-Scott-Newton-Lauderdale-Simpson-Smith-Jasper-Clarke- Covington-Jones-Forrest- Including the cities of Grenada, Vaiden, North Carrollton, Carrollton, Winona, Eupora, Mathiston, West Point, Columbus, Ackerman, Weir, Starkville, Durant, Tchula, Lexington, Pickens, Goodman, Kosciusko, Louisville, Macon, Brooksville, Ridgeland, Madison, Canton, Carthage, Philadelphia, Pearl River, De Kalb, Scooba, Pearl, Brandon, Richland, Forest, Morton, Newton, Union, Decatur, Conehatta, Meridian, Magee, Mendenhall, Taylorsville, Raleigh, Bay Springs, Heidelberg, Quitman, Stonewall, Shubuta, Collins, Mount Olive, Laurel, and Hattiesburg 542 AM CDT Sat Apr 3 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of north central and east central Mississippi. * WHEN...From 1 AM to 8 AM CDT 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. && $$
Nearby
Freeze Warnings in Mississippi, 2021Every freeze warning 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.