Alert archive / Mississippi / Ice Storm Warnings in 2021
Ice Storm Warning 1, NWS Jackson, MS
NWS Jackson, MS issued this ice storm warning at Feb 10, 2021, 4:46 PM CST for Bolivar County, Sunflower County, Mississippi. It took effect at Feb 11, 2021, 3:00 AM CST. It was in force for 9 hr. 10 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 10, 2021, 4:46 PM CST (22:46 UTC)
- In effect from
- Feb 11, 2021, 3:00 AM CST
- Expired
- Feb 11, 2021, 12:00 PM CST
- In force
- 9 hr
- Issued by
- NWS Jackson, MS
Counties Bolivar County, MS, Sunflower County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 173 km from the middle of the area, began a volume at 22:45 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 11, 6:40 AM CST | FREEZING RAIN 0.05 | Boyle, MS | LIGHT ACCUMULATION OF FREEZING RAIN ON ELEVATED SURFACES. |
| Feb 11, 7:00 AM CST | FREEZING RAIN 0.1 | 1 Sw Cleveland, MS | MEASURED AROUND A TENTH OF AN INCH OF ICE BY CO-OP OBSERVER IN CLEVELAND. NO ACCUMULATIONS TO ROADS BUT ACCUMULATION IS OCCURRING ON TREES AND PLANTS. |
| Feb 11, 7:45 AM CST | ICE STORM 25 | 1 Sse Round Lake, MS | .25 INCH OF ICE ACCUMULATION ON TREES, ICE ACCUMULATION ON GRASS, ROADS REMAIN OK AT THIS TIME. |
| Feb 11, 8:00 AM CST | FREEZING RAIN 0.01 | Ruleville, MS | LIGHT ICING JUST STARTED IN THE TREES. |
| Feb 11, 8:00 AM CST | FREEZING RAIN 0.1 | Parchman, MS | ICING MAINLY IN THE TREES. |
| Feb 11, 8:30 AM CST | ICE STORM 25 | Shelby, MS | AROUND .25 INCH OF ICE ACCUMULATION ON TREES WITH BRANCHES SAGGING. NO ISSUES WITH ROADS AT THIS TIME. |
| Feb 11, 9:15 AM CST | ICE STORM | Merigold, MS | REPORT OF 3 DOWNED POWERLINES, DUE TO LIMBS AND FALLEN TREES FROM WEIGHT OF ICE. THIS IS GENERALLY NORTH OF THE CLEVELAND AREA. RELAYED TO EMERGENCY MANAGER FROM ENTERGY. |
| Feb 11, 11:20 AM CST | FREEZING RAIN 0.1 | Drew, MS | |
| Feb 11, 11:20 AM CST | ICE STORM | 1 Ne Rome, MS | 0.3 ICE ACCUM ON TREES AND POWER LINES. MAIN ROADWAYS OK, SECONDARY ROADS HAVE SOME ICE ACCUM. |
| Feb 11, 11:20 AM CST | ICE STORM | Parchman, MS | .24 ICE ACCUM ON TREES AND LINES. SOME LINES DOWN W OF PARCHMAN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 10.8 hours before the alert went out and 145 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
- 29 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 295 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 399 m²/s²
- 0-3 km storm-relative helicity
- 485 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
289 WWUS44 KJAN 102246 WSWJAN URGENT - WINTER WEATHER MESSAGE National Weather Service Jackson MS 446 PM CST Wed Feb 10 2021 MSZ018-110700- /O.UPG.KJAN.WW.Y.0003.210211T0900Z-210211T1800Z/ /O.NEW.KJAN.IS.W.0001.210211T0900Z-210211T1800Z/ Bolivar- Including the city of Cleveland 446 PM CST Wed Feb 10 2021 ...ICE STORM WARNING IN EFFECT FROM 3 AM TO NOON CST THURSDAY... * WHAT...Significant icing expected. Total ice accumulations of a around a quarter of an inch. * WHERE...Bolivar County. * WHEN...From 3 AM to noon CST Thursday. * IMPACTS...Power outages and tree damage may occur due to the ice. Travel could be very difficult. The hazardous conditions could impact the morning commute. * ADDITIONAL DETAILS...expect the worst ice accumulation over northern Bolivar County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel is discouraged. Prepare for possible power outages. The latest road conditions for Mississippi can be obtained by visiting mdottraffic.com, dotd.la.gov in Louisiana and idrivearkansas.com in Arkansas. && $$ ARZ074-075-MSZ019-034-110700- /O.CON.KJAN.WW.Y.0003.210211T0900Z-210211T1800Z/ Ashley-Chicot-Sunflower-Washington- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Dermott, Lake Village, Eudora, Indianola, Ruleville, and Greenville 446 PM CST Wed Feb 10 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST THURSDAY... * WHAT...Freezing rain expected. Total ice accumulations of a light glaze. * WHERE...In Mississippi, Sunflower and Washington Counties. In Arkansas, Ashley and Chicot Counties. * WHEN...From 3 AM to noon CST Thursday. * IMPACTS...The hazardous conditions could impact travel and the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Mississippi can be obtained by visiting mdottraffic.com, dotd.la.gov in Louisiana and idrivearkansas.com in Arkansas. && $$
3 follow-up statements
875 WWUS44 KJAN 110353 AAA WSWJAN URGENT - WINTER WEATHER MESSAGE...UPDATED National Weather Service Jackson MS 953 PM CST Wed Feb 10 2021 ...Ice accumulations expected across the northern portions of the delta through noon Thursday... MSZ018-111200- /O.CON.KJAN.IS.W.0001.210211T0900Z-210211T1800Z/ Bolivar- Including the city of Cleveland 953 PM CST Wed Feb 10 2021 ...ICE STORM WARNING REMAINS IN EFFECT FROM 3 AM TO NOON CST THURSDAY... * WHAT...Significant icing expected. Total ice accumulations of a around a quarter of an inch. * WHERE...Bolivar County. * WHEN...From 3 AM to noon CST Thursday. * IMPACTS...Power outages and tree damage may occur due to the ice. Travel could be very difficult. The hazardous conditions could impact the morning commute. * ADDITIONAL DETAILS...expect the greatest ice accumulation over northern Bolivar County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel is discouraged. Prepare for possible power outages. The latest road conditions for Mississippi can be obtained by visiting mdottraffic.com, dotd.la.gov in Louisiana and idrivearkansas.com in Arkansas. && $$ ARZ074-075-MSZ019-034-111200- /O.CON.KJAN.WW.Y.0003.210211T0900Z-210211T1800Z/ Ashley-Chicot-Sunflower-Washington- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Dermott, Lake Village, Eudora, Indianola, Ruleville, and Greenville 953 PM CST Wed Feb 10 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST THURSDAY... * WHAT...Freezing rain expected. Total ice accumulations of a light glaze. * WHERE...In Mississippi, Sunflower and Washington Counties. In Arkansas, Ashley and Chicot Counties. * WHEN...From 3 AM to noon CST Thursday. * IMPACTS...The hazardous conditions could impact travel and the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Mississippi can be obtained by visiting mdottraffic.com, dotd.la.gov in Louisiana and idrivearkansas.com in Arkansas. && $$ 22
708 WWUS44 KJAN 111512 WSWJAN URGENT - WINTER WEATHER MESSAGE National Weather Service Jackson MS 912 AM CST Thu Feb 11 2021 ...Ice accumulations expected across the northern portions of the delta through noon Today... MSZ019-111800- /O.UPG.KJAN.WW.Y.0003.000000T0000Z-210211T1800Z/ /O.EXA.KJAN.IS.W.0001.000000T0000Z-210211T1800Z/ Sunflower- Including the cities of Indianola and Ruleville 912 AM CST Thu Feb 11 2021 ...ICE STORM WARNING IN EFFECT UNTIL NOON CST TODAY... * WHAT...Significant icing. Total ice accumulation of around a quarter inch. * WHERE...Sunflower County. * WHEN...Until noon CST today. * IMPACTS...Ice accumulation could impact travel and cause tree damage and power outages. * ADDITIONAL DETAILS...greatest impacts are in northern Sunflower County. Ice has been accumulating mostly on elevated surfaces including trees and power lines so far, but continue to monitor road surfaces for ice development, especially bridges and overpasses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel is discouraged. Keep an extra flashlight, food and water in your vehicle in case of an emergency. Prepare for possible power outages. The latest road conditions for Mississippi can be obtained by visiting mdottraffic.com, dotd.la.gov in Louisiana and idrivearkansas.com in Arkansas. && $$ MSZ018-111800- /O.CON.KJAN.IS.W.0001.000000T0000Z-210211T1800Z/ Bolivar- Including the city of Cleveland 912 AM CST Thu Feb 11 2021 ...ICE STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Significant icing expected. Total ice accumulations of a around a quarter of an inch. * WHERE...Bolivar County. * WHEN...Until noon CST today. * IMPACTS...Ice accumulation could impact travel and cause tree damage and power outages. * ADDITIONAL DETAILS...Ice has been accumulating mostly on elevated surfaces including trees and power lines so far, but continue to monitor road surfaces for ice development, especially bridges and overpasses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel is discouraged. Keep an extra flashlight, food and water in your vehicle in case of an emergency. Prepare for possible power outages. The latest road conditions for Mississippi can be obtained by visiting mdottraffic.com, dotd.la.gov in Louisiana and idrivearkansas.com in Arkansas. && $$ ARZ074-075-MSZ034-111800- /O.CON.KJAN.WW.Y.0003.000000T0000Z-210211T1800Z/ Ashley-Chicot-Washington- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Dermott, Lake Village, Eudora, and Greenville 912 AM CST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Freezing rain expected. Total ice accumulations of a light glaze. * WHERE...In Mississippi, Washington County. In Arkansas, Ashley and Chicot Counties. * WHEN...Until noon CST today. * IMPACTS...The hazardous conditions could impact travel. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Mississippi can be obtained by visiting mdottraffic.com, dotd.la.gov in Louisiana and idrivearkansas.com in Arkansas. && $$
718 WWUS44 KJAN 111802 WSWJAN URGENT - WINTER WEATHER MESSAGE National Weather Service Jackson MS 1202 PM CST Thu Feb 11 2021 MSZ018-019-111915- /O.EXP.KJAN.IS.W.0001.000000T0000Z-210211T1800Z/ Bolivar-Sunflower- Including the cities of Cleveland, Indianola, and Ruleville 1202 PM CST Thu Feb 11 2021 ...ICE STORM WARNING WILL EXPIRE AT NOON CST TODAY... Precipitation is moving out as temperatures warm slightly. Therefore the ice storm warning has been allowed to expire. Persons in the area should maintain caution if traveling as there may continue to be ice on the roads. $$ ARZ074-075-MSZ034-111915- /O.EXP.KJAN.WW.Y.0003.000000T0000Z-210211T1800Z/ Ashley-Chicot-Washington- Including the cities of Crossett, North Crossett, Hamburg, West Crossett, Dermott, Lake Village, Eudora, and Greenville 1202 PM CST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON CST TODAY... Precipitation is moving out as temperatures warm slightly. Therefore the winter weather advisory has been allowed to expire. Persons in the area should maintain caution if traveling as there may continue to be ice on the roads. $$
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 4:28 AM CST | Winter Weather Advisory | JAN | Bolivar, Sunflower, Washington | 32 hr |
| Feb 10, 2:09 PM CST | Dense Fog Advisory | JAN | Clarke, Covington, Forrest, Jasper, Jefferson Davis, Jones and 6 more | 16 hr |
Nearby
Ice Storm Warnings in Mississippi, 2021Every ice storm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.