Alert archive / Mississippi / Flash Flood Warnings in 2009
Flash Flood Warning 132, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Sep 21, 2009, 3:43 AM CDT for Kemper County, Noxubee County, Mississippi. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 21, 2009, 3:43 AM CDT (08:43 UTC)
- Expired
- Sep 21, 2009, 7:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kemper County, MS, Noxubee County, MS
The radar
The Columbus AFB radar (KGWX), 110 km from the middle of the area, began a volume at 08:45 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 00:00Z, 8.7 hours before the alert went out and 154 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
- 2130 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 741 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.2
What forecasters said that day
The local office's own words before this flash flood warning 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 warning went out at Sep 20, 9:30 PM CDT, 6 hours 13 minutes earlier.
Area forecast discussion, Sep 20, 9:30 PM CDT, 6 hours 13 minutes before
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</html>Hazardous weather outlook, Sep 20, 2:22 PM CDT, 13 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 222 PM CDT SUN SEP 20 2009 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 211930- 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- 222 PM CDT SUN SEP 20 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI... NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS. .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. FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK. 22
In the hours before
Special weather statement, Sep 21, 2:44 AM CDT, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 244 AM CDT MON SEP 21 2009 MSZ032-033-038-210815- OKTIBBEHA MS-CHOCTAW MS-WINSTON MS- 244 AM CDT MON SEP 21 2009 A STRONG THUNDERSTORM CAPABLE OF PRODUCING VERY HEAVY RAIN WAS LOCATED 9 MILES SOUTH OF ACKERMAN AT 243 AM CDT...MOVING NORTHEAST AT 15 MPH. AREAS AFFECTED COULD RECEIVE A QUICK INCH OF RAINFALL...WHICH COULD LEAD TO MINOR TO MODERATE PONDING OF WATER ISSUES. DANGEROUS CLOUD TO GROUND LIGHTNING IS ALSO POSSIBLE WITH THIS STORM. PEOPLE IN NORTH CENTRAL WINSTON...SOUTHEASTERN CHOCTAW AND SOUTHWESTERN OKTIBBEHA COUNTIES SHOULD MONITOR THIS STORM CLOSELY. BYB
Special weather statement, Sep 21, 3:29 AM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 329 AM CDT MON SEP 21 2009 MSZ039-046-210855- KEMPER MS-NOXUBEE MS- 329 AM CDT MON SEP 21 2009 A LINE OF THUNDERSTORMS CAPABLE OF PRODUCING VERY HEAVY RAIN WAS LOCATED FROM PAULETTE TO BLACKWATER AT 327 AM CDT...MOVING NORTHEAST AT 15 MPH. VERY HEAVY RAIN...BETWEEN 1 AND 2 INCHES PER HOUR...ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE POSSIBLE WITH THESE STORMS. THIS HEAVY RAIN IS MOVING OVER AREAS THAT HAVE ALREADY SEEN HEAVY RAIN EITHER DURING THIS PAST EVENING OR OVER THE LAST DAY OR TWO. A FLASH FLOOD WARNING MAY BE NEEDED IF THESE STORMS CONTINUE TO MOVE OVER THE SAME LOCATIONS THROUGH 4 AM. PEOPLE IN SOUTHEASTERN NOXUBEE AND EASTERN KEMPER COUNTIES SHOULD MONITOR THESE STORMS CLOSELY. CME
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 7:12 PM CDT | Flash Flood Warning | JAN | Noxubee | 2 hr |
| Sep 21, 4:02 AM CDT | Flash Flood Watch | JAN | Attala, Choctaw, Clay, Kemper, Lauderdale, Leake and 9 more | 15 hr |
| Sep 21, 6:35 AM CDT | Flash Flood Warning | JAN | Neshoba, Noxubee, Winston | 115 min |
| Sep 21, 8:31 AM CDT | Flash Flood Warning | JAN | Choctaw, Noxubee, Winston | 119 min |
| Sep 21, 9:40 AM CDT | River Flood Warning | JAN | Neshoba | 8 days |
| Sep 21, 10:16 AM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Oktibbeha, Webster | 44 min |
| Sep 21, 10:39 AM CDT | Severe Thunderstorm Warning | JAN | Clay, Oktibbeha, Webster | 31 min |
| Sep 21, 11:50 AM CDT | Flash Flood Warning | JAN | Attala, Choctaw | 2 hr |
| Sep 21, 1:17 PM CDT | Tornado Warning | JAN | Kemper | 43 min |
| Sep 21, 1:55 PM CDT | Tornado Warning | JAN | Kemper | 33 min |
| Sep 21, 4:02 PM CDT | Tornado Warning | JAN | Attala, Choctaw, Winston | 38 min |
| Sep 21, 4:19 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 30 min |
| Sep 21, 5:04 PM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Concordia | 30 min |
Nearby
Flash Flood Warnings in Mississippi, 2009Every flash flood warning in 2009
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.