Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Jul 13, 2021, 6:30 PM CDT for Clarke 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
- Jul 13, 2021, 6:30 PM CDT (23:30 UTC)
- Expired
- Jul 13, 2021, 7:15 PM CDT
- In force
- 45 min
- Issued by
- NWS Jackson, MS
County Clarke County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 140 km from the middle of the area, began a volume at 23:31 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, 11.5 hours before the alert went out and 150 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
- 219 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 968 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 13, 6:10 PM CDT, 20 minutes earlier.
Area forecast discussion, Jul 13, 6:10 PM CDT, 20 minutes before
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</html>Hazardous weather outlook, Jul 13, 1:23 PM CDT, 5 hours 7 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 123 PM CDT Tue Jul 13 2021 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 141830- Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Franklin LA-Catahoula-Tensas-Concordia-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-Adams-Franklin MS-Lincoln- Lawrence-Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest- 123 PM CDT Tue Jul 13 2021 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, and central and south Mississippi. .DAY ONE...Tonight and Wednesday The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Wednesday night through Monday 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 is not expected through next Monday. DL && ...HAZARD LEGEND... No short term hazards expected. ...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 Tropical page... https://www.weather.gov/srh/tropical?office=jan National Hurricane Center Home Page... https://www.nhc.noaa.gov/ 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, Jul 13, 5:29 PM CDT, 1 hour 1 minute before
Special Weather Statement
National Weather Service Jackson MS
529 PM CDT Tue Jul 13 2021
MSZ058-132315-
Clarke MS-
529 PM CDT Tue Jul 13 2021
...A STRONG THUNDERSTORM WILL AFFECT CENTRAL CLARKE COUNTY UNTIL 615
PM CDT...
At 529 PM CDT, Meteorologists were tracking a strong thunderstorm
over Quitman, moving northeast at 10 mph.
Dime size hail and winds in excess of 40 mph will be possible with
this storm.
This strong thunderstorm will be near...
Quitman around 545 PM CDT.
Stonewall around 600 PM CDT.
Sykes and Sable around 615 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.
&&
LAT...LON 3190 8872 3201 8889 3223 8878 3223 8874
3210 8850
TIME...MOT...LOC 2229Z 214DEG 9KT 3202 8876
JCSpecial weather statement, Jul 13, 5:46 PM CDT, 44 minutes before
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</html>Local storm report, Jul 13, 5:59 PM CDT, 31 minutes before
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</html>Special weather statement, Jul 13, 6:17 PM CDT, 13 minutes before
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</html>Special weather statement, Jul 13, 6:30 PM CDT, 0 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 |
|---|---|---|---|---|
| Jul 12, 7:43 PM CDT | Special Weather Statement | JAN | Claiborne | 47 min |
| Jul 12, 9:12 PM CDT | Special Weather Statement | JAN | Claiborne, Copiah | 33 min |
| Jul 13, 11:48 AM CDT | Special Weather Statement | JAN | Lowndes | 42 min |
| Jul 13, 4:55 PM CDT | Special Weather Statement | JAN | Newton | 50 min |
| Jul 13, 5:06 PM CDT | Special Weather Statement | JAN | Jones | 24 min |
| Jul 13, 5:29 PM CDT | Special Weather Statement | JAN | Clarke | 46 min |
| Jul 13, 5:46 PM CDT | Special Weather Statement | JAN | Jones | 44 min |
| Jul 13, 6:17 PM CDT | Special Weather Statement | JAN | Covington | 28 min |
| Jul 13, 3:09 PM CDT | Special Weather Statement | JAN | Tensas | 51 min |
| Jul 13, 5:48 PM CDT | Special Weather Statement | JAN | Concordia | 42 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.