Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Dec 11, 2021, 2:52 AM CST for Washington County, Mississippi. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Dec 11, 2021, 2:52 AM CST (08:52 UTC)
- Expired
- Dec 11, 2021, 3:30 AM CST
- In force
- 38 min
- Issued by
- NWS Jackson, MS
- Hail
- 0.25 in
- Wind
- 50
County Washington County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 160 km from the middle of the area, began a volume at 08:52 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
Little Rock, AR (KLZK), launched 00:00Z, 8.9 hours before the alert went out and 186 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
- 1725 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 398 m²/s²
- 0-3 km storm-relative helicity
- 420 m²/s²
- Significant tornado parameter
- 4.8
- Supercell composite
- 16.2
The text
As transmitted.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Dec 11, 2:45 AM CST, 7 minutes earlier.
Area forecast discussion, Dec 11, 2:45 AM CST, 7 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Dec 10, 5:03 PM CST, 9 hours 49 minutes before
Hazardous Weather Outlook...CORRECTED National Weather Service Jackson MS 503 PM CST Fri Dec 10 2021 ARZ074-075-MSZ018-019-025-034-035-112130- Ashley-Chicot-Bolivar-Sunflower-Leflore-Washington-Humphreys- 503 PM CST Fri Dec 10 2021 This hazardous weather outlook is for portions of southeast Arkansas, central Mississippi, north central Mississippi, and northwest Mississippi. .DAY ONE...Tonight and Saturday SEVERE THUNDERSTORMS THREAT...Enhanced TIMING...Late tonight into early Saturday morning NON-THUNDERSTORM WINDS THREAT...Limited TIMING...This evening Severe thunderstorms capable of producing tornadoes and damaging wind gusts are possible late tonight into early Saturday morning. Strong tornadoes are possible. (https://www.weather.gov/images/jan/graphicast/1.png) Wind gusts up to around 35 mph will be possible this afternoon and evening. Weak trees and limbs may break and fall, and driving high profile vehicles could be difficult. (https://www.weather.gov/images/jan/graphicast/2.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday The probability for widespread hazardous weather is low. .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 tonight. LAZ024>026-MSZ028-029-032-036-037-042>044-048-053-059-060-112130- Catahoula-Tensas-Concordia-Montgomery-Webster-Choctaw-Holmes- Attala-Yazoo-Madison MS-Leake-Hinds-Claiborne-Jefferson-Adams- 503 PM CST Fri Dec 10 2021 This hazardous weather outlook is for portions of northeast Louisiana, central Mississippi, north central Mississippi, and southwest Mississippi. .DAY ONE...Tonight and Saturday SEVERE THUNDERSTORMS THREAT...Slight TIMING...Late tonight through Saturday morning Severe thunderstorms capable of tornadoes and damaging wind gusts are possible. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday The probability for widespread hazardous weather is low. .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 tonight through Saturday. MSZ030-031-033-038-039-112130- Clay-Lowndes-Oktibbeha-Winston-Noxubee- 503 PM CST Fri Dec 10 2021 This hazardous weather outlook is for portions of east central Mississippi, and northeast Mississippi. .DAY ONE...Tonight and Saturday SEVERE THUNDERSTORMS THREAT...Slight TIMING...Saturday morning Severe thunderstorms capable of tornadoes and damaging wind gusts are possible. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday The probability for widespread hazardous weather is low. .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 tonight through Saturday. LAZ007>009-015-023-MSZ040-041-112130- Morehouse-West Carroll-East Carroll-Richland-Franklin LA- Issaquena-Sharkey- 503 PM CST Fri Dec 10 2021 This hazardous weather outlook is for portions of northeast Louisiana, and west central Mississippi. .DAY ONE...Tonight and Saturday SEVERE THUNDERSTORMS THREAT...Slight TIMING...Late tonight through early Saturday morning NON-THUNDERSTORM WINDS THREAT...Limited TIMING...This evening Severe thunderstorms capable of tornadoes and damaging wind gusts are possible. (https://www.weather.gov/images/jan/graphicast/1.png) Wind gusts up to around 35 mph will be possible this afternoon and evening. Weak trees and limbs may break and fall, and driving high profile vehicles could be difficult. (https://www.weather.gov/images/jan/graphicast/2.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday The probability for widespread hazardous weather is low. .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 tonight. MSZ045-046-049>052-054>058-061>066-072>074-112130- Neshoba-Kemper-Rankin-Scott-Newton-Lauderdale-Copiah-Simpson- Smith-Jasper-Clarke-Franklin MS-Lincoln-Lawrence-Jefferson Davis- Covington-Jones-Marion-Lamar-Forrest- 503 PM CST Fri Dec 10 2021 This hazardous weather outlook is for portions of central Mississippi, east central Mississippi, and south central Mississippi. .DAY ONE...Tonight and Saturday SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Late tonight into Saturday morning Isolated severe thunderstorms capable of damaging wind gusts are possible. Tornadoes cannot be ruled out. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday The probability for widespread hazardous weather is low. .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 tonight through Saturday. LAZ016-MSZ047-112130- Madison LA-Warren- 503 PM CST Fri Dec 10 2021 This hazardous weather outlook is for portions of northeast Louisiana, and west central Mississippi. .DAY ONE...Tonight and Saturday SEVERE THUNDERSTORMS THREAT...Slight TIMING...Late tonight into early Saturday morning NON-THUNDERSTORM WINDS THREAT...Limited TIMING...This evening Isolated severe thunderstorms capable of damaging wind gusts are possible. Tornadoes cannot be ruled out. (https://www.weather.gov/images/jan/graphicast/1.png) Wind gusts up to around 35 mph will be possible this afternoon and evening. Weak trees and limbs may break and fall, and driving high profile vehicles could be difficult. (https://www.weather.gov/images/jan/graphicast/2.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday The probability for widespread hazardous weather is low. .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 tonight through Saturday. MSZ026-112130- Grenada- 503 PM CST Fri Dec 10 2021 This hazardous weather outlook is for portions of north central Mississippi. .DAY ONE...Tonight and Saturday SEVERE THUNDERSTORMS THREAT...Enhanced TIMING...Late tonight into early Saturday morning NON-THUNDERSTORM WINDS THREAT...Limited TIMING...This evening Severe thunderstorms capable of producing tornadoes and damaging wind gusts are possible late tonight into early Saturday morning. Strong tornadoes are possible. (https://www.weather.gov/images/jan/graphicast/1.png) Wind gusts up to around 35 mph will be possible this afternoon and evening. Weak trees and limbs may break and fall, and driving high profile vehicles could be difficult. (https://www.weather.gov/images/jan/graphicast/2.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday The probability for widespread hazardous weather is low. .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 tonight through Saturday. MSZ027-112130- Carroll- 503 PM CST Fri Dec 10 2021 This hazardous weather outlook is for portions of north central Mississippi. .DAY ONE...Tonight and Saturday SEVERE THUNDERSTORMS THREAT...Enhanced TIMING...Late tonight into early Saturday morning Severe thunderstorms capable of producing tornadoes and damaging wind gusts are possible late tonight into early Saturday morning. Strong tornadoes are possible. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Saturday night through Thursday The probability for widespread hazardous weather is low. .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 tonight through Saturday. && ...HAZARD LEGEND... *SEVERE THUNDERSTORMS* High...Significant severe thunderstorms and tornadoes are likely with strong or violent tornadoes possible. Moderate...Significant severe thunderstorms and tornadoes are likely with strong tornadoes possible. Enhanced...Severe thunderstorms are likely and tornadoes are possible. Slight...Severe thunderstorms and tornadoes are possible. Marginal...Isolated severe thunderstorms are possible. *NON-THUNDERSTORM WINDS* Significant...Scattered downed trees and power lines are likely due to sustained winds over 35 mph and potential wind gusts greater than 50 mph. Elevated...A few downed trees and power lines are possible due to sustained winds ranging from 25 to 35 mph and potential for wind gusts over 40 mph. Travel will also be difficult for those in high profile vehicles. Limited...Weak trees and limbs may break and fall due to sustained winds up to 25 mph and wind gusts around 35 mph. High profile vehicles could also be affected. ...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 ...ADDITIONAL URLS FOR SEVERE WEATHER ISSUES... Storm Prediction Center (SPC)... https://www.spc.noaa.gov/ Meso Analysis... https://www.spc.noaa.gov/exper/mesoanalysis/ Day 1 through 3 Outlooks... https://www.spc.noaa.gov/products/outlook/ Storm Reports... https://www.spc.noaa.gov/climo/online/
In the hours before
Special weather statement, Dec 11, 1:59 AM CST, 53 minutes before
Special Weather Statement
National Weather Service Jackson MS
159 AM CST Sat Dec 11 2021
ARZ074-LAZ007-110900-
Ashley AR-Morehouse LA-
159 AM CST Sat Dec 11 2021
...Strong thunderstorms will impact portions of Ashley County in
southeastern Arkansas and northwestern Morehouse Parishes through 300
AM CST...
At 158 AM CST, Doppler radar was tracking strong thunderstorms along
a line extending from near Monticello to near Strong. Movement was
east at 45 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Bastrop, Crossett, Hamburg, Wilmot, North Crossett, West Crossett,
Portland, Montrose, Parkdale, Fountain Hill, Berlin, Beekman, Galion,
Jones, Old Milo, Snyder, Mer Rouge and Bonita.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Tornado Watch remains in effect until 500 AM CST for southeastern
Arkansas...and northeastern Louisiana.
&&
LAT...LON 3315 9211 3319 9214 3328 9204 3331 9198
3335 9199 3338 9196 3339 9199 3339 9146
3312 9146 3264 9192 3266 9191 3266 9194
3271 9197 3271 9204 3269 9205 3284 9206
3287 9208 3301 9207 3309 9214
TIME...MOT...LOC 0758Z 269DEG 41KT 3334 9207 3273 9263
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DLSpecial weather statement, Dec 11, 2:02 AM CST, 50 minutes before
Special Weather Statement
National Weather Service Jackson MS
202 AM CST Sat Dec 11 2021
MSZ018-019-110900-
Sunflower MS-Bolivar MS-
202 AM CST Sat Dec 11 2021
...Strong thunderstorms will impact portions of northeastern
Sunflower and Bolivar Counties through 300 AM CST...
At 202 AM CST, Doppler radar was tracking strong thunderstorms along
a line extending from Elaine to near Dumas. Movement was east at 55
mph.
HAZARD...Wind gusts up to 50 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Cleveland, Ruleville, Shelby, Drew, Rosedale, Parchman, Mound Bayou,
Renova, Boyle, Benoit, Gunnison, Jersey Point, Deeson, Rome,
Merigold, Duncan, Beulah, Pace, Alligator and Winstonville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Tornado Watch remains in effect until 500 AM CST for north central
and northwestern Mississippi.
&&
LAT...LON 3412 9066 3399 9066 3399 9045 3363 9045
3360 9113 3368 9123 3368 9103 3373 9115
3378 9113 3378 9099 3385 9107 3393 9101
3397 9109 3396 9097 3402 9099 3409 9087
3411 9094 3412 9095
TIME...MOT...LOC 0802Z 262DEG 47KT 3432 9084 3370 9143
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
DLSpecial weather statement, Dec 11, 2:52 AM CST, 0 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 11, 2:02 AM CST | Special Weather Statement | JAN | Bolivar | 58 min |
| Dec 11, 3:27 AM CST | Special Weather Statement | JAN | Grenada, Humphreys, Leflore, Sunflower, Washington | 63 min |
| Dec 11, 5:10 AM CST | Special Weather Statement | JAN | Choctaw, Montgomery, Webster | 50 min |
| Dec 11, 5:56 AM CST | Special Weather Statement | JAN | Choctaw, Clay, Lowndes, Oktibbeha | 79 min |
| Dec 11, 1:59 AM CST | Special Weather Statement | JAN | Morehouse | 61 min |
Nearby
Special Weather Statements in Mississippi, 2021Every special weather statement 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.