Alert archive / Louisiana / Flash Flood Warnings in 2010
Flash Flood Warning 102, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Aug 19, 2010, 5:09 PM CDT for Morehouse Parish, Richland Parish, Louisiana. It was in force for 93 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 19, 2010, 5:09 PM CDT (22:09 UTC)
- Expired
- Aug 19, 2010, 6:42 PM CDT
- In force
- 93 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Morehouse Parish, LA, Richland Parish, LA
The radar
The Jackson/Brandon,MS radar (KDGX), 173 km from the middle of the area, began a volume at 22:09 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, 10.2 hours before the alert went out and 163 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
- 1617 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 493 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- -10 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 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 Aug 19, 3:19 PM CDT, 1 hour 50 minutes earlier.
Area forecast discussion, Aug 19, 3:19 PM CDT, 1 hour 50 minutes before
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</html>Hazardous weather outlook, Aug 19, 2:28 PM CDT, 2 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 228 PM CDT THU AUG 19 2010 ARZ074-075-LAZ007>009-015-016-023-024-MSZ018-019-025-034-035-040- 041-201930- ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-CATAHOULA-BOLIVAR-SUNFLOWER-LEFLORE- WASHINGTON-HUMPHREYS-ISSAQUENA-SHARKEY- 228 PM CDT THU AUG 19 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHEAST ARKANSAS...AND PORTIONS OF NORTHEAST LOUISIANA AND CENTRAL MISSISSIPPI. .DAY ONE...TONIGHT AND FRIDAY... THE COMBINATION OF HEAT AND HIGH HUMIDITY THIS AFTERNOON AND FRIDAY AFTERNOON WILL CAUSE HEAT INDEX VALUES TO PEAK IN THE 105 TO 110 DEGREE RANGE. A HEAT ADVISORY IS IN EFFECT THROUGH 7 PM FRIDAY. .DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH WEDNESDAY... OPPRESSIVE HEAT WILL AGAIN BE AN ISSUE THROUGH THE WEEKEND WHEN AFTERNOON HEAT INDEX VALUES COULD AGAIN CLIMB UP AROUND 105 DEGREES. HEAT ADVISORIES MAY BECOME NECESSARY OR BE ONGOING DURING THIS TIME. A SURFACE BOUNDARY MOVING SOUTH INTO A HOT AND UNSTABLE AIR MASS ON SUNDAY HAS THE POTENTIAL TO GENERATE SCATTERED STRONG TO SEVERE THUNDERSTORMS ACROSS THE AREA. THE MAIN CONCERN WITH THIS ACTIVITY SHOULD BE DAMAGING WIND GUSTS. .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 WEDNESDAY. LAZ025-026-MSZ026>033-036>039-042>066-072>074-201930- TENSAS-CONCORDIA-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES- CHOCTAW-OKTIBBEHA-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- MARION-LAMAR-FORREST- 228 PM CDT THU AUG 19 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST LOUISIANA AND CENTRAL MISSISSIPPI. .DAY ONE...TONIGHT AND FRIDAY... SCATTERED SHOWERS AND THUNDERSTORMS LATE THIS AFTERNOON COULD PRODUCE SOME LOCALLY TORRENTIAL DOWNPOURS ACROSS THE AREA... PARTICULARLY ACROSS PORTIONS OF SOUTHWESTERN MISSISSIPPI AND NORTHEAST LOUISIANA AFFECTED BY EXTREMELY HEAVY RAINS YESTERDAY. PONDING WATER MAY OCCUR OVER ROADWAYS AND IN LOW LYING AREAS AND THERE IS A POTENTIAL FOR ADDITIONAL FLASH FLOODING. ALSO... DISSIPATION OF ACCUMULATED WATER WILL BE HINDERED BY ANY ADDITIONAL HEAVY DOWNPOURS. THIS WILL AGAIN BE THE CASE ON FRIDAY AS SCATTERED SHOWERS AND THUNDERSTORMS COULD PRODUCE LOCALLY HEAVY DOWNPOURS. .DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH WEDNESDAY... OPPRESSIVE HEAT WILL AGAIN BE AN ISSUE THROUGH THE WEEKEND WHEN AFTERNOON HEAT INDEX VALUES COULD AGAIN CLIMB UP AROUND 105 DEGREES. HEAT ADVISORIES MAY BECOME NECESSARY OR BE ONGOING DURING THIS TIME. A SURFACE BOUNDARY MOVING SOUTH INTO A HOT AND UNSTABLE AIR MASS ON SUNDAY HAS THE POTENTIAL TO GENERATE SCATTERED STRONG TO SEVERE THUNDERSTORMS ACROSS THE AREA. THE MAIN CONCERN WITH THIS ACTIVITY SHOULD BE DAMAGING WIND GUSTS. .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 WEDNESDAY. FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK. 19
In the hours before
Special weather statement, Aug 19, 11:24 AM CDT, 5 hours 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1124 AM CDT THU AUG 19 2010 MSZ046-052-191735- LAUDERDALE MS-KEMPER MS- 1124 AM CDT THU AUG 19 2010 ...LOCAL DOWNPOURS AND ISOLATED STORMS DEVELOPING IN EAST CENTRAL MISSISSIPPI THROUGH 1 PM... A SLOW MOVING CLUSTER OF HEAVY TROPICAL SHOWERS AND ISOLATED THUNDERSTORMS WAS CENTERED ABOUT 3 MILES EAST OF MEEHAN AT 1125 AM CDT...MOVING EAST AT 15 MPH. AS THESE DOWNPOURS MOVE INTO THE MERIDIAN TO DEKALB AREAS THROUGH 1 PM...YOU CAN EXPECT QUICK RAINFALL AMOUNTS OF 1 TO 2 INCHES TO OCCUR AND SOME PONDING OF WATER ON ROADS AND IN LOW LYING AREAS. OCCASIONAL CLOUD TO GROUND LIGHTNING STRIKES WILL ALSO BE POSSIBLE WITH ANY STORMS ALONG WITH GUSTY WINDS OF 30 MPH. 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. PEOPLE IN SOUTHERN KEMPER AND LAUDERDALE COUNTIES SHOULD MONITOR THIS STORM CLOSELY. 40
Local storm report, Aug 19, 11:44 AM CDT, 5 hours 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1144 AM CDT THU AUG 19 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 AM HEAVY RAIN 2 SW FOREST 32.34N 89.50W
08/19/2010 M5.66 INCH SCOTT MS PARK/FOREST SRVC
6 HOUR RAINFALL TOTAL AT BIENVILLE NATIONAL FOREST RAWS
SITE. MOST OF THIS RAIN FELL BETWEEN 6 AM AND 10 AM.
&&
GERARDSpecial weather statement, Aug 19, 1:16 PM CDT, 3 hours 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 116 PM CDT THU AUG 19 2010 LAZ024>026-191840- TENSAS LA-CATAHOULA LA-CONCORDIA LA- 116 PM CDT THU AUG 19 2010 A SLOW MOVING CLUSTER OF THUNDERSTORMS PRODUCING HEAVY RAIN EXTENDED FROM COOTER POINT IN TENSAS PARISH WEST TO NEAR SHERWOOD IN CATAHOULA PARISH AT 110 PM. AS THESE DOWNPOURS MOVE SLOWLY TO THE EAST THROUGH 2 PM...YOU CAN EXPECT QUICK RAINFALL AMOUNTS OF 1 TO 2 INCHES TO OCCUR AND SOME PONDING OF WATER ON ROADS AND IN LOW LYING AREAS. OCCASIONAL CLOUD TO GROUND LIGHTNING STRIKES WILL ALSO BE POSSIBLE WITH THESE STORMS ALONG WITH GUSTY WINDS OF 30 MPH. 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. PEOPLE IN NORTHERN CONCORDIA...NORTHERN CATAHOULA AND SOUTHWESTERN TENSAS PARISHES SHOULD MONITOR THIS STORM CLOSELY. DB
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 4:03 AM CDT | Heat Advisory | JAN | Attala, Bolivar, Carroll, Choctaw, Claiborne, Clay and 17 more | 4 days |
| Aug 19, 9:11 AM CDT | Flash Flood Warning | JAN | Jasper, Newton, Scott, Smith | 3 hr |
| Aug 19, 9:53 AM CDT | Flash Flood Warning | JAN | Neshoba | 112 min |
| Aug 19, 3:02 PM CDT | Flash Flood Warning | JAN | Franklin | 90 min |
| Aug 18, 8:10 PM CDT | Areal Flood Warning | JAN | Concordia, Tensas | 10 hr |
| Aug 19, 5:47 PM CDT | Severe Thunderstorm Warning | JAN | Morehouse | 43 min |
Nearby
Flash Flood Warnings in Louisiana, 2010Every flash flood warning in 2010
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.