Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Dec 29, 2021, 5:45 PM CST for Neshoba County, Mississippi. It was in force for 45 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 29, 2021, 5:45 PM CST (23:45 UTC)
- Expired
- Dec 29, 2021, 6:30 PM CST
- In force
- 45 min
- Issued by
- NWS Jackson, MS
- Hail
- 0.25 in
- Wind
- 40
County Neshoba County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 93 km from the middle of the area, began a volume at 23:47 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, 11.8 hours before the alert went out and 96 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
- 256 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.1
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 29, 5:25 PM CST, 20 minutes earlier.
Area forecast discussion, Dec 29, 5:25 PM CST, 20 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 29, 8:53 AM CST, 8 hours 52 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Jackson MS 853 AM CST Wed Dec 29 2021 ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025>059-063>066- 301500- Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Franklin LA-Tensas-Bolivar-Sunflower-Leflore-Grenada- Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha- Washington-Humphreys-Holmes-Attala-Winston-Noxubee-Issaquena- Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper-Warren-Hinds-Rankin- Scott-Newton-Lauderdale-Claiborne-Copiah-Simpson-Smith-Jasper- Clarke-Jefferson-Lawrence-Jefferson Davis-Covington-Jones- 853 AM CST Wed Dec 29 2021 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, north central Mississippi, and south central Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Slight TIMING...Today through Tonight Severe thunderstorms will be possible today through this evening. These thunderstorms will be capable of producing damaging winds to 60 mph, hail to the size of quarters, and tornadoes. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Severe thunderstorms will be possible early Saturday morning through Saturday evening across southeast Arkansas, northeast Louisiana, and Mississippi. This potential weather event is still several days away, and the timing and impacts may be adjusted with later forecasts. (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 today through tonight and Friday night through Saturday night. LAZ024-026-MSZ060>062-072>074-301500- Catahoula-Concordia-Adams-Franklin MS-Lincoln-Marion-Lamar- Forrest- 853 AM CST Wed Dec 29 2021 This hazardous weather outlook is for portions of northeast Louisiana, and south central Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Today through Tonight Isolated severe thunderstorms will be possible today through this evening. Some thunderstorms could produce damaging wind gusts to 60 mph and hail up to quarter size. A tornado cannot be ruled out. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Severe thunderstorms will be possible early Saturday morning through Saturday evening across southeast Arkansas, northeast Louisiana, and Mississippi. This potential weather event is still several days away, and the timing and impacts may be adjusted with later forecasts. (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 today through tonight and Saturday through Saturday night. 20 && ...HAZARD LEGEND... *SEVERE THUNDERSTORMS* High...Significant severe thunderstorms are expected. Moderate...Severe storms expected with significant severe weather possible. Enhanced...Severe storms expected. Slight...Severe storms possible. Marginal...Isolated severe storms possible. ...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 29, 2:40 PM CST, 3 hours 5 minutes before
Special Weather Statement
National Weather Service Jackson MS
240 PM CST Wed Dec 29 2021
MSZ040-042-047-292130-
Warren MS-Yazoo MS-Issaquena MS-
240 PM CST Wed Dec 29 2021
...A strong thunderstorm will impact portions of northeastern Warren,
southwestern Yazoo and southeastern Issaquena Counties through 330 PM
CST...
At 240 PM CST, Doppler radar was tracking a strong thunderstorm near
Redwood, moving northeast at 40 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
This strong thunderstorm will be near...
Redwood around 245 PM CST.
Oak Ridge around 250 PM CST.
Phoenix around 310 PM CST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Tornado Watch remains in effect until 700 PM CST for central and
west central Mississippi.
&&
LAT...LON 3269 9057 3256 9046 3252 9050 3252 9052
3250 9052 3251 9055 3250 9058 3248 9061
3246 9060 3232 9086 3235 9089 3237 9087
3237 9089 3236 9090 3247 9098
TIME...MOT...LOC 2040Z 234DEG 34KT 3245 9085
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
JNESpecial weather statement, Dec 29, 3:59 PM CST, 1 hour 46 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>Special weather statement, Dec 29, 4:36 PM CST, 1 hour 9 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>Special weather statement, Dec 29, 5:45 PM 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 28, 6:29 PM CST | Special Weather Statement | JAN | Warren | 31 min |
| Dec 28, 7:02 PM CST | Special Weather Statement | JAN | Choctaw | 28 min |
| Dec 28, 7:17 PM CST | Special Weather Statement | JAN | Lowndes | 28 min |
| Dec 28, 8:18 PM CST | Special Weather Statement | JAN | Clay | 27 min |
| Dec 28, 8:26 PM CST | Special Weather Statement | JAN | Lincoln | 34 min |
| Dec 28, 9:53 PM CST | Special Weather Statement | JAN | Lowndes | 37 min |
| Dec 28, 10:27 PM CST | Flash Flood Warning | JAN | Clay | 3 hr |
| Dec 28, 10:35 PM CST | Special Weather Statement | JAN | Lowndes | 25 min |
| Dec 29, 12:13 AM CST | Special Weather Statement | JAN | Noxubee | 32 min |
| Dec 29, 2:40 PM CST | Special Weather Statement | JAN | Warren | 50 min |
| Dec 29, 3:39 PM CST | Severe Thunderstorm Warning | JAN | Bolivar, Sunflower | 48 min |
| Dec 29, 3:59 PM CST | Special Weather Statement | JAN | Forrest | 46 min |
| Dec 29, 4:25 PM CST | Severe Thunderstorm Warning | JAN | Grenada, Montgomery, Webster | 50 min |
| Dec 29, 4:36 PM CST | Special Weather Statement | JAN | Carroll | 24 min |
| Dec 29, 4:55 PM CST | Tornado Warning | JAN | Clay, Webster | 42 min |
| Dec 29, 5:50 PM CST | Severe Thunderstorm Warning | JAN | Clay, Lowndes | 40 min |
| Dec 29, 5:52 PM CST | Special Weather Statement | JAN | Winston | 38 min |
| Dec 29, 4:53 PM CST | Severe Thunderstorm Warning | JAN | Ashley | 33 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.