Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Dec 6, 2021, 5:50 AM CST for Grenada County, Leflore County, Mississippi. It was in force for 25 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 6, 2021, 5:50 AM CST (11:50 UTC)
- Expired
- Dec 6, 2021, 6:15 AM CST
- In force
- 25 min
- Issued by
- NWS Jackson, MS
- Hail
- 0.00 in
- Wind
- 40
Counties Grenada County, MS, Leflore County, MS
The radar
The Columbus AFB radar (KGWX), 138 km from the middle of the area, began a volume at 11:51 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, 11.8 hours before the alert went out and 118 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
- 1313 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 326 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 19.4
The text
As transmitted.
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</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 6, 4:41 AM CST, 1 hour 9 minutes earlier.
Area forecast discussion, Dec 6, 4:41 AM CST, 1 hour 9 minutes before
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Hazardous Weather Outlook National Weather Service Jackson MS 319 AM CST Mon Dec 6 2021 ARZ074-075-LAZ007>009-015-016-023>026-MSZ034>037-040>044-047>050- 053>055-059>061-070930- Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Washington- Humphreys-Holmes-Attala-Issaquena-Sharkey-Yazoo-Madison MS-Leake- Warren-Hinds-Rankin-Scott-Claiborne-Copiah-Simpson-Jefferson- Adams-Franklin MS- 319 AM CST Mon Dec 6 2021 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, northwest Mississippi, southwest Mississippi, and west central Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Slight TIMING...Today A squall line moving across the area this morning into the early afternoon will bring a slight risk for damaging wind gusts. A tornado cannot be ruled out. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Tuesday through Sunday 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 today. MSZ018-019-025>033-038-039-045-046-051-052-056>058-062>066- 072>074-070930- Bolivar-Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay- Lowndes-Choctaw-Oktibbeha-Winston-Noxubee-Neshoba-Kemper-Newton- Lauderdale-Smith-Jasper-Clarke-Lincoln-Lawrence-Jefferson Davis- Covington-Jones-Marion-Lamar-Forrest- 319 AM CST Mon Dec 6 2021 This hazardous weather outlook is for portions of central Mississippi, east central Mississippi, north central Mississippi, south central Mississippi, and southeast Mississippi. .DAY ONE...Today and Tonight SEVERE THUNDERSTORMS THREAT...Marginal TIMING...Today A squall line moving across the area today will bring a marginal risk for isolated damaging wind gusts. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Tuesday through Sunday 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 today. 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 6, 4:51 AM CST, 59 minutes before
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</html>Special weather statement, Dec 6, 5:16 AM CST, 34 minutes before
Special Weather Statement
National Weather Service Jackson MS
516 AM CST Mon Dec 6 2021
MSZ035-036-042-061145-
Humphreys MS-Yazoo MS-Holmes MS-
516 AM CST Mon Dec 6 2021
...A strong thunderstorm will impact portions of southwestern Holmes,
northeastern Yazoo and southeastern Humphreys Counties through 545 AM
CST...
At 515 AM CST, Doppler radar was tracking a strong thunderstorm near
Yazoo City, moving east at 50 mph.
HAZARD...Winds in excess of 40 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.
This strong thunderstorm will be near...
Coxburg and Tolarville around 535 AM CST.
Ebenezer around 545 AM CST.
Other locations impacted by this storm include Eden.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3279 9051 3293 9057 3303 9047 3311 9016
3294 9007
TIME...MOT...LOC 1115Z 249DEG 43KT 3290 9048
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
DCSpecial weather statement, Dec 6, 5:50 AM CST, 0 minutes before
Special Weather Statement
National Weather Service Jackson MS
550 AM CST Mon Dec 6 2021
MSZ025>028-061215-
Carroll MS-Grenada MS-Leflore MS-Montgomery MS-
550 AM CST Mon Dec 6 2021
...Strong thunderstorms will impact portions of northwestern Carroll,
Grenada, east central Leflore and northwestern Montgomery Counties
through 615 AM CST...
At 550 AM CST, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles northwest of Gore Springs to near Teoc.
Movement was east at 55 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Strong thunderstorms will be near...
Gore Springs around 555 AM CST.
Jefferson around 605 AM CST.
Duck Hill around 615 AM CST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3387 8977 3387 8951 3371 8951 3368 8950
3360 8951 3354 9034 3362 9024 3382 8995
3382 8993 3384 8993 3390 8984 3390 8977
TIME...MOT...LOC 1150Z 272DEG 46KT 3385 8968 3356 9009
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
DCThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 4:51 AM CST | Special Weather Statement | JAN | Issaquena | 24 min |
| Dec 6, 5:16 AM CST | Special Weather Statement | JAN | Yazoo | 29 min |
| Dec 6, 6:19 AM CST | Special Weather Statement | JAN | Grenada, Webster | 41 min |
| Dec 6, 6:50 AM CST | Special Weather Statement | JAN | Clay, Webster | 40 min |
| Dec 6, 6:59 AM CST | Special Weather Statement | JAN | Bolivar | 31 min |
| Dec 6, 7:34 AM CST | Special Weather Statement | JAN | Clay, Lowndes, Oktibbeha | 41 min |
| Dec 6, 7:43 AM CST | Severe Thunderstorm Warning | JAN | Clay, Lowndes, Oktibbeha | 47 min |
| Dec 6, 8:08 AM CST | Special Weather Statement | JAN | Noxubee | 37 min |
| Dec 6, 9:38 AM CST | Severe Thunderstorm Warning | JAN | Hinds, Rankin | 52 min |
| Dec 6, 9:47 AM CST | Special Weather Statement | JAN | Madison | 28 min |
| Dec 6, 10:13 AM CST | Severe Thunderstorm Warning | JAN | Rankin | 62 min |
| Dec 6, 10:22 AM CST | Special Weather Statement | JAN | Copiah | 38 min |
| Dec 6, 11:05 AM CST | Special Weather Statement | JAN | Simpson | 40 min |
| Dec 6, 11:36 AM CST | Special Weather Statement | JAN | Jasper, Smith | 39 min |
| Dec 6, 11:46 AM CST | Severe Thunderstorm Warning | JAN | Clarke, Jasper | 59 min |
| Dec 6, 11:57 AM CST | Special Weather Statement | JAN | Covington, Jones | 48 min |
| Dec 6, 12:21 PM CST | Special Weather Statement | JAN | Clarke | 24 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.