Alert archive / Mississippi / Freeze Warnings in 2021

Freeze Warning 3, NWS Jackson, MS

November 13, 202133 counties in Mississippi

NWS Jackson, MS issued this freeze warning at Nov 13, 2021, 3:17 AM CST for 33 counties in Mississippi. It took effect at Nov 13, 2021, 11:00 PM CST. It was in force for 9 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
Nov 13, 2021, 3:17 AM CST (09:17 UTC)
In effect from
Nov 13, 2021, 11:00 PM CST
Expired
Nov 14, 2021, 8:00 AM CST
In force
9 hr
Issued by
NWS Jackson, MS
All 33 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, Hinds County, MS, Holmes County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lowndes County, MS, Madison County, MS, Marion 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, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 60 km from the middle of the area, began a volume at 09:15 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 00:00Z, 9.3 hours before the alert went out and 66 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, Jackson, MS at 00:00Z on 2021-11-13Temperature 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, Jackson, MS at 00:00Z on 2021-11-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.1939587897117Sfc1 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
1843 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

225 
WWUS74 KJAN 130917
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
317 AM CST Sat Nov 13 2021

MSZ026>033-036>039-042>046-048>052-055>058-065-066-131730-
/O.UPG.KJAN.FZ.A.0003.211114T0500Z-211114T1500Z/
/O.NEW.KJAN.FZ.W.0003.211114T0500Z-211114T1500Z/
Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-
Holmes-Attala-Winston-Noxubee-Yazoo-Madison MS-Leake-Neshoba-
Kemper-Hinds-Rankin-Scott-Newton-Lauderdale-Simpson-Smith-Jasper-
Clarke-Covington-Jones-
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, Yazoo City, 
Ridgeland, Madison, Canton, Carthage, Philadelphia, Pearl River, 
De Kalb, Scooba, Jackson, Pearl, Brandon, Richland, Forest, 
Morton, Newton, Union, Decatur, Conehatta, Meridian, Magee, 
Mendenhall, Taylorsville, Raleigh, Bay Springs, Heidelberg, 
Quitman, Stonewall, Shubuta, Collins, Mount Olive, and Laurel
317 AM CST Sat Nov 13 2021

...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM CST
SUNDAY...

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

* WHERE...Portions of central, east central, north central, 
  northeast and southeast Mississippi.

* WHEN...From 11 PM this evening to 9 AM CST 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.

&&

$$
22
4 follow-up statements
208 
WWUS74 KJAN 131748
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
1148 AM CST Sat Nov 13 2021

MSZ026>033-036>039-042>046-048>052-055>058-065-066-140200-
/O.CON.KJAN.FZ.W.0003.211114T0500Z-211114T1500Z/
Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-
Holmes-Attala-Winston-Noxubee-Yazoo-Madison MS-Leake-Neshoba-
Kemper-Hinds-Rankin-Scott-Newton-Lauderdale-Simpson-Smith-Jasper-
Clarke-Covington-Jones-
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, Yazoo City, 
Ridgeland, Madison, Canton, Carthage, Philadelphia, Pearl River, 
De Kalb, Scooba, Jackson, Pearl, Brandon, Richland, Forest, 
Morton, Newton, Union, Decatur, Conehatta, Meridian, Magee, 
Mendenhall, Taylorsville, Raleigh, Bay Springs, Heidelberg, 
Quitman, Stonewall, Shubuta, Collins, Mount Olive, and Laurel
1148 AM CST Sat Nov 13 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CST SUNDAY...

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

* WHERE...Portions of central, east central, north central, 
  northeast and southeast Mississippi.

* WHEN...From 11 PM this evening to 9 AM CST 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.

&&

$$
325 
WWUS74 KJAN 132026
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
226 PM CST Sat Nov 13 2021

MSZ026>033-036>039-042>046-048>052-055>058-065-066-140430-
/O.CON.KJAN.FZ.W.0003.211114T0500Z-211114T1500Z/
Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-
Holmes-Attala-Winston-Noxubee-Yazoo-Madison MS-Leake-Neshoba-
Kemper-Hinds-Rankin-Scott-Newton-Lauderdale-Simpson-Smith-Jasper-
Clarke-Covington-Jones-
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, Yazoo City, 
Ridgeland, Madison, Canton, Carthage, Philadelphia, Pearl River, 
De Kalb, Scooba, Jackson, Pearl, Brandon, Richland, Forest, 
Morton, Newton, Union, Decatur, Conehatta, Meridian, Magee, 
Mendenhall, Taylorsville, Raleigh, Bay Springs, Heidelberg, 
Quitman, Stonewall, Shubuta, Collins, Mount Olive, and Laurel
226 PM CST Sat Nov 13 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
9 AM CST SUNDAY...

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

* WHERE...Portions of central, east central, north central, 
  northeast and southeast Mississippi.

* WHEN...From 11 PM this evening to 9 AM CST 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.

&&

$$
825 
WWUS74 KJAN 140259 AAA
NPWJAN

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Jackson MS
859 PM CST Sat Nov 13 2021

MSZ026>033-036>039-042>046-048>052-055>058-065-066-141100-
/O.CON.KJAN.FZ.W.0003.211114T0500Z-211114T1500Z/
Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-
Holmes-Attala-Winston-Noxubee-Yazoo-Madison MS-Leake-Neshoba-
Kemper-Hinds-Rankin-Scott-Newton-Lauderdale-Simpson-Smith-Jasper-
Clarke-Covington-Jones-
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, Yazoo City, 
Ridgeland, Madison, Canton, Carthage, Philadelphia, Pearl River, 
De Kalb, Scooba, Jackson, Pearl, Brandon, Richland, Forest, 
Morton, Newton, Union, Decatur, Conehatta, Meridian, Magee, 
Mendenhall, Taylorsville, Raleigh, Bay Springs, Heidelberg, 
Quitman, Stonewall, Shubuta, Collins, Mount Olive, and Laurel
859 PM CST Sat Nov 13 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CST SUNDAY...

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

* WHERE...Portions of central, east central, north central, 
  northeast and southeast Mississippi.

* WHEN...From 11 PM this evening to 9 AM CST 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.

&&

$$

DC
187 
WWUS74 KJAN 140942
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
342 AM CST Sun Nov 14 2021

MSZ063-064-072>074-141400-
/O.EXB.KJAN.FZ.W.0003.000000T0000Z-211114T1400Z/
Lawrence-Jefferson Davis-Marion-Lamar-Forrest-
Including the cities of Monticello, New Hebron, Prentiss, 
Bassfield, Columbia, West Hattiesburg, Lumberton, Purvis, 
and Hattiesburg
342 AM CST Sun Nov 14 2021

...FREEZE WARNING IN EFFECT UNTIL 8 AM CST THIS MORNING...

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

* WHERE...Lawrence, Jefferson Davis, Marion, Lamar and Forrest 
  Counties.

* WHEN...Until 8 AM CST 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.

&&

$$

MSZ026>033-036>039-042>046-048>052-055>058-065-066-141400-
/O.EXT.KJAN.FZ.W.0003.000000T0000Z-211114T1400Z/
Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-
Holmes-Attala-Winston-Noxubee-Yazoo-Madison MS-Leake-Neshoba-
Kemper-Hinds-Rankin-Scott-Newton-Lauderdale-Simpson-Smith-Jasper-
Clarke-Covington-Jones-
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, Yazoo City, 
Ridgeland, Madison, Canton, Carthage, Philadelphia, Pearl River, 
De Kalb, Scooba, Jackson, Pearl, Brandon, Richland, Forest, 
Morton, Newton, Union, Decatur, Conehatta, Meridian, Magee, 
Mendenhall, Taylorsville, Raleigh, Bay Springs, Heidelberg, 
Quitman, Stonewall, Shubuta, Collins, Mount Olive, and Laurel
342 AM CST Sun Nov 14 2021

...FREEZE WARNING NOW IN EFFECT UNTIL 8 AM CST THIS MORNING...

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

* WHERE...Portions of central, east central, north central, 
  northeast and southeast Mississippi.

* WHEN...Until 8 AM CST 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.

&&

$$

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.