Alert archive / Mississippi / Flash Flood Watches in 2018
Flash Flood Watch 8, NWS Jackson, MS
NWS Jackson, MS issued this flash flood watch at Sep 9, 2018, 2:55 PM CDT for Carroll County, Mississippi. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Sep 9, 2018, 2:55 PM CDT (19:55 UTC)
- Expired
- Sep 10, 2018, 1:00 PM CDT
- In force
- 22 hr
- Issued by
- NWS Jackson, MS
- Flood severity
- None
County Carroll County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 130 km from the middle of the area, began a volume at 19:55 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
Birmingham, AL (KBMX), launched 12:00Z, 7.9 hours before the alert went out and 293 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
- 354 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 667 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- -32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Sep 9, 1:40 PM CDT, 1 hour 15 minutes earlier.
Area forecast discussion, Sep 9, 1:40 PM CDT, 1 hour 15 minutes before
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</html>Hazardous weather outlook, Sep 9, 2:42 PM CDT, 13 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 242 PM CDT Sun Sep 9 2018 ARZ074-075-LAZ007>009-015-023-MSZ018-019-034-040-041-072>074- 101945- Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Franklin LA-Bolivar-Sunflower-Washington-Issaquena-Sharkey-Marion- Lamar-Forrest- 242 PM CDT Sun Sep 9 2018 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, northwest Mississippi, south central Mississippi, southeast Mississippi, and west central Mississippi. .DAY ONE...Tonight and Monday The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Monday night through Saturday 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 Saturday. LAZ016-024>026-MSZ025>033-035>039-042>066-101945- Madison LA-Catahoula-Tensas-Concordia-Leflore-Grenada-Carroll- Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-Humphreys- Holmes-Attala-Winston-Noxubee-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- 242 PM CDT Sun Sep 9 2018 This hazardous weather outlook is for portions of northeast Louisiana, central Mississippi, north central Mississippi, northeast Mississippi, and south central Mississippi. .DAY ONE...Tonight and Monday FLOODING THREAT...Limited TIMING...Late this afternoon through this evening Localized flash flooding will be possible through this evening as pockets of heavy rain and embedded thunderstorms move through the region and produce hourly rainfall rates of 1 to 2 inches per hour. (https://www.weather.gov/images/jan/graphicast/1.png) .DAYS TWO THROUGH SEVEN...Monday night through Saturday 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 Saturday. 50 && ...HAZARD LEGEND... *FLOODING* Extreme...Confident in significant flooding. Significant...Significant flooding possible. Elevated...Confident in flooding. Limited...Flooding 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 Tropical page... https://www.weather.gov/jan/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 ...ADDITIONAL URLS FOR FLOODING ISSUES... Current Watches and Warnings... https://www.weather.gov/jan/safe_HeavyRain Observed Precipitation Images... https://www.weather.gov/jan/precipmaps River Forecast Center... https://www.weather.gov/lmrfc/ Significant River Flood Outlook... https://www.wpc.ncep.noaa.gov/nationalfloodoutlook/index.html Day 1 through 3 Excessive Rainfall... https://www.wpc.ncep.noaa.gov/qpf/excess_rain.shtml Excessive Rainfall Discussion... https://www.wpc.ncep.noaa.gov/discussions/qpferd.html Day 1 through 7 QPF... https://www.wpc.ncep.noaa.gov/qpf/qpf2.shtml QPF Discussion... https://www.wpc.ncep.noaa.gov/discussions/qpfpfd.html
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 4:00 PM CDT | Special Weather Statement | JAN | Jasper, Smith | 30 min |
| Sep 9, 4:29 PM CDT | Special Weather Statement | JAN | Jasper | 31 min |
| Sep 9, 4:42 PM CDT | Special Weather Statement | JAN | Winston | 33 min |
| Sep 9, 5:10 PM CDT | Special Weather Statement | JAN | Covington | 35 min |
| Sep 9, 6:02 PM CDT | Special Weather Statement | JAN | Lowndes | 43 min |
| Sep 9, 6:18 PM CDT | Flash Flood Warning | JAN | Clay, Lowndes, Oktibbeha | 4 hr |
| Sep 9, 6:38 PM CDT | Special Weather Statement | JAN | Attala | 37 min |
| Sep 9, 4:46 PM CDT | Special Weather Statement | JAN | Madison | 44 min |
| Sep 9, 5:08 PM CDT | Special Weather Statement | JAN | Franklin | 52 min |
Nearby
Flash Flood Watches in Mississippi, 2018Every flash flood watch in 2018
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.