Alert archive / Mississippi / Frost Advisories in 2021
Frost Advisory 8, NWS Memphis, TN
NWS Memphis, TN issued this frost advisory at Nov 13, 2021, 4:20 AM CST for 5 counties in Mississippi. It took effect at Nov 14, 2021, 12:00 AM CST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Nov 13, 2021, 4:20 AM CST (10:20 UTC)
- In effect from
- Nov 14, 2021, 12:00 AM CST
- Expired
- Nov 14, 2021, 7:43 AM CST
- In force
- 8 hr
- Issued by
- NWS Memphis, TN
Counties Marshall County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS
The radar
The Memphis radar (KNQA), 106 km from the middle of the area, began a volume at 10:21 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
Little Rock, AR (KLZK), launched 00:00Z, 10.3 hours before the alert went out and 48 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
- 1775 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
168 WWUS74 KMEG 131020 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 420 AM CST Sat Nov 13 2021 MSZ003>006-009-013>017-021>024-131830- /O.CAN.KMEG.FR.Y.0007.000000T0000Z-211113T1400Z/ /O.NEW.KMEG.FZ.W.0008.211114T0600Z-211114T1400Z/ Benton MS-Tippah-Alcorn-Tishomingo-Prentiss-Lafayette-Union- Pontotoc-Lee MS-Itawamba-Yalobusha-Calhoun-Chickasaw-Monroe- Including the cities of Ashland, Ripley MS, Corinth, Iuka, Booneville, Oxford, New Albany, Pontotoc, Tupelo, Fulton, Water Valley, Coffeeville, Bruce, Calhoun City, Houston, Okolona, Amory, and Aberdeen 420 AM CST Sat Nov 13 2021 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SUNDAY... ...FROST ADVISORY IS CANCELLED... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Portions of North Mississippi. * WHEN...From midnight tonight to 8 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. && $$ MSZ002-008-011-012-020-131830- /O.CAN.KMEG.FR.Y.0007.000000T0000Z-211113T1400Z/ /O.NEW.KMEG.FR.Y.0008.211114T0600Z-211114T1400Z/ Marshall-Tate-Quitman-Panola-Tallahatchie- Including the cities of Holly Springs, Senatobia, Marks, Batesville, and Charleston 420 AM CST Sat Nov 13 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SUNDAY... ...FROST ADVISORY IS CANCELLED FOR THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Marshall, Tate, Quitman, Panola and Tallahatchie Counties. * WHEN...From midnight tonight to 8 AM CST Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ ARZ049-058-MSZ001-007-010-131130- /O.CAN.KMEG.FR.Y.0007.000000T0000Z-211113T1400Z/ Lee AR-Phillips-DeSoto-Tunica-Coahoma- Including the cities of Marianna, Helena, West Helena, Southaven, Olive Branch, Tunica, and Clarksdale 420 AM CST Sat Nov 13 2021 ...FROST ADVISORY IS CANCELLED... The Frost Advisory for east-central Arkansas and northwest Mississippi has been cancelled. $$ SJM
4 follow-up statements
777 WWUS74 KMEG 131335 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 735 AM CST Sat Nov 13 2021 MSZ003>006-009-013>017-021>024-132230- /O.CON.KMEG.FZ.W.0008.211114T0600Z-211114T1400Z/ Benton MS-Tippah-Alcorn-Tishomingo-Prentiss-Lafayette-Union- Pontotoc-Lee MS-Itawamba-Yalobusha-Calhoun-Chickasaw-Monroe- Including the cities of Ashland, Ripley MS, Corinth, Iuka, Booneville, Oxford, New Albany, Pontotoc, Tupelo, Fulton, Water Valley, Coffeeville, Bruce, Calhoun City, Houston, Okolona, Amory, and Aberdeen 735 AM CST Sat Nov 13 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SUNDAY... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Portions of North Mississippi. * WHEN...From midnight tonight to 8 AM CST Sunday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ MSZ002-008-011-012-020-132230- /O.CON.KMEG.FR.Y.0008.211114T0600Z-211114T1400Z/ Marshall-Tate-Quitman-Panola-Tallahatchie- Including the cities of Holly Springs, Senatobia, Marks, Batesville, and Charleston 735 AM CST Sat Nov 13 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SUNDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Marshall, Tate, Quitman, Panola and Tallahatchie Counties. * WHEN...From midnight tonight to 8 AM CST Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ SJM
634 WWUS74 KMEG 132002 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 202 PM CST Sat Nov 13 2021 MSZ003>006-009-013>017-021>024-141400- /O.CON.KMEG.FZ.W.0008.211114T0600Z-211114T1400Z/ Benton MS-Tippah-Alcorn-Tishomingo-Prentiss-Lafayette-Union- Pontotoc-Lee MS-Itawamba-Yalobusha-Calhoun-Chickasaw-Monroe- Including the cities of Ashland, Ripley MS, Corinth, Iuka, Booneville, Oxford, New Albany, Pontotoc, Tupelo, Fulton, Water Valley, Coffeeville, Bruce, Calhoun City, Houston, Okolona, Amory, and Aberdeen 202 PM CST Sat Nov 13 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SUNDAY... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Portions of North central and Northeast Mississippi. * WHEN...From midnight tonight to 8 AM CST Sunday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ MSZ002-008-011-012-020-141400- /O.CON.KMEG.FR.Y.0008.211114T0600Z-211114T1400Z/ Marshall-Tate-Quitman-Panola-Tallahatchie- Including the cities of Holly Springs, Senatobia, Marks, Batesville, and Charleston 202 PM CST Sat Nov 13 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CST SUNDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Marshall, Tate, Quitman, Panola and Tallahatchie Counties. * WHEN...From midnight tonight to 8 AM CST Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
860 WWUS74 KMEG 141152 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 552 AM CST Sun Nov 14 2021 MSZ003>006-009-013>017-021>024-141400- /O.CON.KMEG.FZ.W.0008.000000T0000Z-211114T1400Z/ Benton MS-Tippah-Alcorn-Tishomingo-Prentiss-Lafayette-Union- Pontotoc-Lee MS-Itawamba-Yalobusha-Calhoun-Chickasaw-Monroe- Including the cities of Ashland, Ripley MS, Corinth, Iuka, Booneville, Oxford, New Albany, Pontotoc, Tupelo, Fulton, Water Valley, Coffeeville, Bruce, Calhoun City, Houston, Okolona, Amory, and Aberdeen 552 AM CST Sun Nov 14 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of North central and Northeast Mississippi. * WHEN...Until to 8 AM CST this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ MSZ002-008-011-012-020-141400- /O.CON.KMEG.FR.Y.0008.000000T0000Z-211114T1400Z/ Marshall-Tate-Quitman-Panola-Tallahatchie- Including the cities of Holly Springs, Senatobia, Marks, Batesville, and Charleston 552 AM CST Sun Nov 14 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Marshall, Tate, Quitman, Panola and Tallahatchie Counties. * WHEN...Until 8 AM CST this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
913 WWUS74 KMEG 141343 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 743 AM CST Sun Nov 14 2021 MSZ003>006-009-013>017-021>024-141445- /O.CAN.KMEG.FZ.W.0008.000000T0000Z-211114T1400Z/ Benton MS-Tippah-Alcorn-Tishomingo-Prentiss-Lafayette-Union- Pontotoc-Lee MS-Itawamba-Yalobusha-Calhoun-Chickasaw-Monroe- Including the cities of Ashland, Ripley MS, Corinth, Iuka, Booneville, Oxford, New Albany, Pontotoc, Tupelo, Fulton, Water Valley, Coffeeville, Bruce, Calhoun City, Houston, Okolona, Amory, and Aberdeen 743 AM CST Sun Nov 14 2021 ...FREEZE WARNING IS CANCELLED... Temperatures have warmed above freezing and the Freeze Warning has been cancelled. $$ MSZ002-008-011-012-020-141445- /O.CAN.KMEG.FR.Y.0008.000000T0000Z-211114T1400Z/ Marshall-Tate-Quitman-Panola-Tallahatchie- Including the cities of Holly Springs, Senatobia, Marks, Batesville, and Charleston 743 AM CST Sun Nov 14 2021 ...FROST ADVISORY IS CANCELLED... Frost is no longer a threat and the Frost Advisory has been cancelled. $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 13, 4:20 AM CST | Freeze Warning | MEG | Alcorn, Benton, Calhoun, Chickasaw, Itawamba, Lafayette and 8 more | 27 hr |
Nearby
Frost Advisories in Mississippi, 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.