Alert archive / Mississippi / Winter Weather Advisories in 2021
Winter Weather Advisory 6, NWS Jackson, MS
NWS Jackson, MS issued this winter weather advisory at Feb 16, 2021, 8:39 AM CST for 8 counties in Mississippi. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 16, 2021, 8:39 AM CST (14:39 UTC)
- Expired
- Feb 16, 2021, 12:00 PM CST
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
Counties Clarke County, MS, Kemper County, MS, Lauderdale County, MS, Lowndes County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Winston County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 124 km from the middle of the area, began a volume at 14:37 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, 2.7 hours before the alert went out and 131 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
- 677 m above ground
- 0-6 km bulk shear
- 98 kt
- 0-1 km storm-relative helicity
- -96 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jackson, MS wrote its last area forecast discussion before this winter weather advisory went out at Feb 16, 5:43 AM CST, 2 hours 56 minutes earlier.
Area forecast discussion, Feb 16, 5:43 AM CST, 2 hours 56 minutes before
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</html>Hazardous weather outlook, Feb 16, 7:06 AM CST, 1 hour 33 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 706 AM CST Tue Feb 16 2021 ARZ074-LAZ007>009-015-016-023>026-MSZ031-038>061-063>065-171315- Ashley-Morehouse-West Carroll-East Carroll-Richland-Madison LA- Franklin LA-Catahoula-Tensas-Concordia-Lowndes-Winston-Noxubee- Issaquena-Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper-Warren- Hinds-Rankin-Scott-Newton-Lauderdale-Claiborne-Copiah-Simpson- Smith-Jasper-Clarke-Jefferson-Adams-Franklin MS-Lawrence- Jefferson Davis-Covington- 706 AM CST Tue Feb 16 2021 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, northeast Mississippi, and south central Mississippi. .DAY ONE...Today and Tonight DANGEROUS COLD THREAT...Elevated TIMING...Today through Tonight Today through tonight, low temperatures below 20 degrees with high temperatures near or below 32 degrees are likely. Frost bite and hypothermia are possible with prolonged exposure. Many exposed pipes may fail. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Wednesday through Monday Another winter storm is expected Wednesday morning through Thursday, resulting in dangerous travel conditions and numerous power outages. This winter storm will result in additional and significant icing and snow accumulations for portions of extreme southeast Arkansas, northeast Louisiana and west-northwest Mississippi. (https://www.weather.gov/images/jan/graphicast/2.png) .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations is not expected through next Monday. ARZ075-MSZ018-019-025>030-032>037-171315- Chicot-Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery- Webster-Clay-Choctaw-Oktibbeha-Washington-Humphreys-Holmes-Attala- 706 AM CST Tue Feb 16 2021 This hazardous weather outlook is for portions of southeast Arkansas, central Mississippi, and north central Mississippi. .DAY ONE...Today and Tonight DANGEROUS COLD THREAT...Significant TIMING...Today through Tonight Today through tonight, low temperatures near or below 15 degrees with high temperatures below 32 degrees likely. Frost bite and hypothermia are likely with prolonged exposure. Damage to exposed pipes likely and water main breaks are possible. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Wednesday through Monday Another winter storm is expected Wednesday morning through Thursday, resulting in dangerous travel conditions and numerous power outages. This winter storm will result in additional and significant icing and snow accumulations for portions of extreme southeast Arkansas, northeast Louisiana and west-northwest Mississippi. (https://www.weather.gov/images/jan/graphicast/2.png) .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations is not expected through next Monday. MSZ062-066-072>074-171315- Lincoln-Jones-Marion-Lamar-Forrest- 706 AM CST Tue Feb 16 2021 This hazardous weather outlook is for portions of south central Mississippi, and southeast Mississippi. .DAY ONE...Today and Tonight DANGEROUS COLD THREAT...Limited TIMING...Today through Tonight Today through tonight, low temperatures near or below 20 degrees with high temperatures in low 30s are possible. Hypothermia is possible with prolonged exposure and there will be a possible danger to exposed pipes. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Wednesday through Monday Another winter storm is expected Wednesday morning through Thursday, resulting in dangerous travel conditions and numerous power outages. This winter storm will result in significant icing and snow accumulations for portions of extreme southeast Arkansas, northeast Louisiana and west-northwest Mississippi. (https://www.weather.gov/images/jan/graphicast/2.png) .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations may be needed for portions of the region Wednesday through Wednesday night. 23 && ...HAZARD LEGEND... *DANGEROUS COLD* Extreme...Lows below 10 degrees and highs below 32 degrees and/or wind chill temperatures lower than -10 degrees likely. Hypothermia is likely with prolonged exposure and frost bite is expected on exposed skin within 30 minutes. Water main breaks are expected. Significant...Lows below 15 degrees and highs below 32 degrees and/or wind chills between -10 and -1 degrees likely. Frost bite and hypothermia are likely with prolonged exposure. Water main breaks are possible. Elevated...Lows below 20 degrees and highs near or below 32 degrees and/or wind chills between 0 and 9 degrees likely. Frost bite and hypothermia are possible with prolonged exposure. Many exposed pipes may fail. Limited...Lows below 20 degrees and highs near or below 33 degrees and/or wind chills around 10 degrees possible. Hypothermia is possible with prolonged exposure and possible danger to exposed pipes. ...USEFUL WEATHER WEB PAGES (URLS)... NWS JAN Home page... https://www.weather.gov/jan Stay Aware, Stay Safe NWS JAN Briefing Page... https://www.weather.gov/jan/safe Latest Weather Briefing... https://www.weather.gov/jan/weather_briefing Find NWS JAN on Facebook... https://www.facebook.com/NWSJacksonMS Follow NWS JAN on Twitter... @NWSJacksonMS Follow NWS JAN on Youtube... https://www.youtube.com/user/NWSJacksonMiss
In the hours before
Special weather statement, Feb 16, 6:23 AM CST, 2 hours 16 minutes before
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</html>Local storm report, Feb 16, 7:19 AM CST, 1 hour 20 minutes before
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</html>Local storm report, Feb 16, 7:55 AM CST, 44 minutes before
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</html>Local storm report, Feb 16, 7:56 AM CST, 43 minutes before
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</html>Local storm report, Feb 16, 8:26 AM CST, 13 minutes before
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</html>The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 4:25 AM CST | Winter Storm Watch | JAN | Bolivar, Carroll, Grenada, Holmes, Humphreys, Issaquena and 4 more | 10 hr |
| Feb 16, 2:50 PM CST | Winter Storm Warning | JAN | Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 33 more | 39 hr |
| Feb 16, 2:50 PM CST | Winter Weather Advisory | JAN | Adams, Claiborne, Clarke, Copiah, Covington, Franklin and 18 more | 39 hr |
Nearby
Winter Weather Advisories in Mississippi, 2021Every winter weather 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.