Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Jul 12, 2021, 11:10 AM CDT for Forrest County, Lamar County, Mississippi. It was in force for 65 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 12, 2021, 11:10 AM CDT (16:10 UTC)
- Expired
- Jul 12, 2021, 12:15 PM CDT
- In force
- 65 min
- Issued by
- NWS Jackson, MS
Counties Forrest County, MS, Lamar County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 4.2 hours before the alert went out and 94 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
- 3080 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 582 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 93 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 12, 10:15 AM CDT, 55 minutes earlier.
Area forecast discussion, Jul 12, 10:15 AM CDT, 55 minutes before
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</html>Hazardous weather outlook, Jul 12, 3:50 AM CDT, 7 hours 20 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 350 AM CDT Mon Jul 12 2021 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 130900- 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- 350 AM CDT Mon Jul 12 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 The probability for widespread hazardous weather is low. .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 is not expected through next Sunday. 20 && ...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 12, 7:44 AM CDT, 3 hours 26 minutes before
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</html>Special weather statement, Jul 12, 9:37 AM CDT, 1 hour 33 minutes before
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</html>Local storm report, Jul 12, 9:38 AM CDT, 1 hour 32 minutes before
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</html>Local storm report, Jul 12, 10:54 AM CDT, 16 minutes before
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</html>Special weather statement, Jul 12, 11:10 AM 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, 3:00 AM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Warren | 45 min |
| Jul 12, 3:45 AM CDT | Special Weather Statement | JAN | Warren | 45 min |
| Jul 12, 4:13 AM CDT | Special Weather Statement | JAN | Claiborne, Hinds, Warren | 47 min |
| Jul 12, 6:04 AM CDT | Special Weather Statement | JAN | Montgomery | 41 min |
| Jul 12, 7:44 AM CDT | Special Weather Statement | JAN | Jefferson | 61 min |
| Jul 12, 9:37 AM CDT | Special Weather Statement | JAN | Simpson | 53 min |
| Jul 12, 10:26 AM CDT | Special Weather Statement | JAN | Covington | 64 min |
| Jul 12, 11:51 AM CDT | Special Weather Statement | JAN | Jones | 39 min |
| Jul 12, 2:15 AM CDT | Special Weather Statement | JAN | Franklin, Richland | 45 min |
| Jul 12, 2:33 AM CDT | Severe Thunderstorm Warning | JAN | Franklin, Richland | 42 min |
| Jul 12, 3:26 AM CDT | Special Weather Statement | JAN | Tensas | 49 min |
| Jul 12, 6:45 AM CDT | Special Weather Statement | JAN | Catahoula, Concordia, Tensas | 45 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.