Alert archive / Louisiana / Flash Flood Warnings in 2013
Flash Flood Warning 47, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Apr 11, 2013, 9:28 AM CDT for West Carroll Parish, Louisiana. It was in force for 2 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
- Apr 11, 2013, 9:28 AM CDT (14:28 UTC)
- Expired
- Apr 11, 2013, 11:30 AM CDT
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
County West Carroll Parish, LA
The radar
The Jackson/Brandon,MS radar (KDGX), 149 km from the middle of the area, began a volume at 14:28 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, 2.5 hours before the alert went out and 139 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
- 1428 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 484 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 307 m²/s²
- 0-3 km storm-relative helicity
- 326 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 10.6
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 Apr 11, 4:15 AM CDT, 5 hours 13 minutes earlier.
Area forecast discussion, Apr 11, 4:15 AM CDT, 5 hours 13 minutes before
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</html>Hazardous weather outlook, Apr 11, 9:03 AM CDT, 25 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE JACKSON MS 903 AM CDT THU APR 11 2013 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>030-032>038- 040>045-047>050-053-059>061-121415- ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR- SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-CHOCTAW- OKTIBBEHA-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-WINSTON-ISSAQUENA- SHARKEY-YAZOO-MADISON MS-LEAKE-NESHOBA-WARREN-HINDS-RANKIN-SCOTT- CLAIBORNE-JEFFERSON-ADAMS-FRANKLIN MS- 903 AM CDT THU APR 11 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA AND CENTRAL MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT WIDESPREAD HEAVY RAINFALL IS EXPECTED ACROSS THE OUTLOOK AREA. MORE THAN 2 INCHES FELL OVERNIGHT ACROSS THE WESTERN PORTIONS OF THE AREA AND AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE FOR AREAS ALONG AND NORTHWEST OF THE NATCHEZ TRACE CORRIDOR TODAY. INTENSE RAINFALL RATES COULD RESULT IN LOCALIZED FLASH FLOODING IN SOME LOCATIONS. ALSO...SOME SMALL CREEKS...AREA RIVERS AND LOW LYING AREAS COULD EXPERIENCE RISES IN WATER LEVELS. A FLASH FLOOD WATCH IS IN EFFECT UNTIL EARLY AFTERNOON. IN ADDITION...ISOLATED STRONG STORMS WILL BE POSSIBLE THIS MORNING AS THE COLD FRONT MOVES THROUGH THE AREA. THE MAIN HAZARDS WILL BE DAMAGING WIND GUSTS UP TO 50 MPH AND DIME SIZE HAIL. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY 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 ANTICIPATED THROUGH WEDNESDAY. MSZ031-039-046-051-052-121415- LOWNDES-NOXUBEE-KEMPER-NEWTON-LAUDERDALE- 903 AM CDT THU APR 11 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT STRONG TO SEVERE STORMS ARE POSSIBLE FROM MID MORNING TO MID AFTERNOON AS STORMS MOVE EAST AHEAD OF A COLD FRONT. THE MOST INTENSE STORMS WILL BE CAPABLE OF DAMAGING WIND GUSTS TO 60 MPH AND HAIL TO THE SIZE OF QUARTERS. FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AND LOCALLY HEAVY DOWNPOURS ARE ALSO EXPECTED. IN ADDITION...HEAVY RAINFALL IS EXPECTED ACROSS THE OUTLOOK AREA. ONE TO TWO INCHES OF RAINFALL WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE FOR AREAS IN EAST MISSISSIPPI. INTENSE RAINFALL RATES COULD RESULT IN LOCALIZED FLASH FLOODING IN SOME LOCATIONS. ALSO...SOME SMALL CREEKS...AREA RIVERS AND LOW LYING AREAS COULD EXPERIENCE RISES IN WATER LEVELS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY 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 ANTICIPATED THROUGH WEDNESDAY MSZ054>058-062>066-072>074-121415- COPIAH-SIMPSON-SMITH-JASPER-CLARKE-LINCOLN-LAWRENCE- JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST- 903 AM CDT THU APR 11 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH AND SOUTHEAST MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT SEVERE STORMS ARE POSSIBLE THROUGH MID AFTERNOON AHEAD OF A COLD FRONT MOVING THROUGH THE REGION. THE MOST INTENSE STORMS WILL BE CAPABLE OF DAMAGING WIND GUSTS TO 60 MPH AND A TORNADO OR TWO. FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AND LOCALLY HEAVY DOWNPOURS ARE ALSO EXPECTED. ONE TO TWO INCHES OF RAINFALL WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE FOR AREAS IN EAST MISSISSIPPI. INTENSE RAINFALL RATES COULD RESULT IN LOCALIZED FLASH FLOODING IN SOME LOCATIONS. ALSO...SOME SMALL CREEKS...AREA RIVERS AND LOW LYING AREAS COULD EXPERIENCE RISES IN WATER LEVELS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY 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...HAS BEEN REQUESTED FOR SOUTH MISSISSIPPI TODAY. FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. 22
In the hours before
Special weather statement, Apr 11, 8:58 AM CDT, 30 minutes before
MSZ059-061-062-111430- LINCOLN MS-JEFFERSON MS-FRANKLIN MS- 858 AM CDT THU APR 11 2013 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 858 AM CDT THU APR 11 2013 A STRONG THUNDERSTORM CAPABLE OF PRODUCING 40 TO 50 MPH WINDS WAS LOCATED 3 MILES SOUTH OF MCCALL CREEK AT 858 AM CDT...MOVING NORTHEAST AT 50 MPH. DANGEROUS CLOUD TO GROUND LIGHTNING IS ALSO POSSIBLE WITH THIS STORM. PEOPLE IN EASTERN FRANKLIN...EXTREME SOUTHEASTERN JEFFERSON AND NORTHWESTERN LINCOLN COUNTIES SHOULD MONITOR THIS STORM CLOSELY. LAT...LON 3168 9071 3168 9030 3136 9068 3144 9090 TIME...MOT...LOC 1358Z 219DEG 43KT 3148 9070 CME
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 9:49 PM CDT | Special Weather Statement | JAN | Bolivar | 61 min |
| Apr 10, 10:01 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 29 min |
| Apr 10, 11:23 PM CDT | Special Weather Statement | JAN | Bolivar | 57 min |
| Apr 11, 12:19 AM CDT | Special Weather Statement | JAN | Washington | 61 min |
| Apr 11, 8:50 AM CDT | River Flood Warning | JAN | Attala, Holmes | 6 days |
| Apr 11, 8:58 AM CDT | Special Weather Statement | JAN | Lincoln | 32 min |
| Apr 11, 9:28 AM CDT | River Flood Warning | JAN | Neshoba | 24 hr |
| Apr 11, 10:13 AM CDT | Special Weather Statement | JAN | Smith | 32 min |
| Apr 11, 10:45 AM CDT | Special Weather Statement | JAN | Scott | 20 min |
| Apr 11, 10:53 AM CDT | Special Weather Statement | JAN | Jasper | 22 min |
| Apr 11, 11:25 AM CDT | Severe Thunderstorm Warning | JAN | Kemper, Lauderdale, Neshoba, Newton | 50 min |
| Apr 11, 11:31 AM CDT | Tornado Warning | JAN | Kemper, Neshoba | 59 min |
| Apr 11, 11:32 AM CDT | Areal Flood Warning | JAN | Holmes, Humphreys, Issaquena, Sharkey, Washington, Yazoo | 6 hr |
| Apr 11, 11:56 AM CDT | Tornado Warning | JAN | Noxubee | 64 min |
| Apr 11, 12:02 PM CDT | Severe Thunderstorm Warning | JAN | Clay | 28 min |
| Apr 11, 12:18 PM CDT | Severe Thunderstorm Warning | JAN | Marion | 42 min |
| Apr 11, 12:42 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 48 min |
| Apr 11, 12:45 PM CDT | Tornado Warning | JAN | Forrest, Lamar, Marion | 45 min |
| Apr 11, 12:46 PM CDT | Tornado Warning | JAN | Lowndes, Noxubee | 14 min |
| Apr 11, 1:17 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 43 min |
| Apr 11, 1:26 PM CDT | Severe Thunderstorm Warning | JAN | Noxubee | 49 min |
| Apr 11, 1:29 PM CDT | Severe Thunderstorm Warning | JAN | Forrest | 31 min |
| Apr 11, 1:34 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Jasper | 56 min |
| Apr 11, 1:50 PM CDT | Tornado Warning | JAN | Clarke, Lauderdale | 40 min |
| Apr 11, 4:10 PM CDT | River Flood Warning | JAN | Carroll, Leflore | 43 hr |
| Apr 10, 8:06 PM CDT | Special Weather Statement | JAN | Ashley | 29 min |
| Apr 10, 8:14 PM CDT | Severe Thunderstorm Warning | JAN | Ashley | 46 min |
Nearby
Flash Flood Warnings in Louisiana, 2013Every flash flood warning in 2013
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.