Alert archive / Mississippi / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 746, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Aug 7, 2008, 12:30 PM CDT for Lowndes County, Mississippi. It was in force for 45 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 7, 2008, 12:30 PM CDT (17:30 UTC)
- Expired
- Aug 7, 2008, 1:15 PM CDT
- In force
- 45 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
County Lowndes County, MS
The radar
The Columbus AFB radar (KGWX), 48 km from the middle of the area, began a volume at 17:30 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, 5.5 hours before the alert went out and 158 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
- 1172 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1221 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 7, 10:30 AM CDT, 2 hours earlier.
Area forecast discussion, Aug 7, 10:30 AM CDT, 2 hours before
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</html>Hazardous weather outlook, Aug 7, 10:49 AM CDT, 1 hour 41 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE JACKSON MS 1049 AM CDT THU AUG 7 2008 ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025>058-065-066- 081600- ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND- MADISON LA-FRANKLIN LA-TENSAS-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-COVINGTON-JONES- 1049 AM CDT THU AUG 7 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHEAST ARKANSAS...CENTRAL MISSISSIPPI AND NORTHEAST LOUISIANA...PRIMARILY ALONG AND NORTH OF THE INTERSTATE TWENTY CORRIDOR. .DAY ONE...TODAY AND TONIGHT STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING. WIND GUSTS UP TO 60 MPH AND PENNY SIZED HAIL WILL BE THE PRIMARY RISKS WITH SEVERE THUNDERSTORM ACTIVITY. FREQUENT DANGEROUS LIGHTNING AND PERIODS OF HEAVY RAINFALL PRODUCING 1 TO 2 INCH AMOUNTS IN SHORT PERIODS OF TIME CAN BE ALSO BE EXPECTED. SLOW MOVING STORMS REDEVELOPING OVER THE SAME AREAS MAY LEAD TO LOCALIZED FLOODING IN URBAN AND OTHER POOR DRAINAGE AREAS. SCATTERED TO NUMEROUS THUNDERSTORMS...AND ONE TO TWO CLUSTERS OF THUNDERSTORMS...ARE EXPECTED TO DEVELOP AND MOVE SOUTHEAST ACROSS THESE AREAS THIS AFTERNOON AND EVENING. AN UPPER LEVEL DISTURBANCE APPROACHING THE REGION FROM THE NORTHWEST WILL COMBINE WITH POCKETS OF MODERATE TO HIGH INSTABILITY TO FUEL POTENTIAL SEVERE THUNDERSTORM DEVELOPMENT. HIGH AMOUNTS OF ATMOSPHERIC MOISTURE WILL ALLOW FOR TORRENTIAL RAINFALL WITH SOME STORMS...ALTHOUGH WIDESPREAD FLASH FLOODING PROBLEMS ARE NOT ANTICIPATED. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THE STALLING FRONTAL BOUNDARY OFF THE GULF COAST WILL BE RETURNING NORTHWARD BY MONDAY WITH MORE STRONG THUNDERSTORMS AND THE POTENTIAL FOR HEAVY RAINS AND FLOODING INTO TUESDAY AND POSSIBLY WEDNESDAY. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER OPERATIONS...MAY BE NEEDED THIS AFTERNOON AND THIS EVENING. LAZ024-026-MSZ059>064-072>074-081600- CATAHOULA-CONCORDIA-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-LAWRENCE- JEFFERSON DAVIS-MARION-LAMAR-FORREST- 1049 AM CDT THU AUG 7 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI...PRIMARILY SOUTH OF THE INTERSTATE TWENTY CORRIDOR. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF STRONG TO LOCALLY SEVERE THUNDERSTORMS LATE THIS AFTERNOON THROUGH LATE TONIGHT. WIND GUSTS UP TO 50 MPH AND DIME SIZED HAIL WILL BE THE MAIN RISKS...ALTHOUGH SEVERE STORMS CONTAINING WINDS TO 60 MPH AND HAIL UP TO...OR LARGER...THAN PENNIES WILL ALSO BE POSSIBLE. IN ADDITION...FREQUENT DANGEROUS LIGHTNING AND PERIODS OF HEAVY RAINFALL PRODUCING 1 TO 2 INCH AMOUNTS IN A SHORT PERIOD CAN BE EXPECTED TO MOVE INTO THE AREA BY LATE THIS AFTERNOON. SLOW MOVING STORMS REDEVELOPING OVER THE SAME AREAS MAY LEAD TO LOCALIZED FLOODING IN URBAN AND OTHER POOR DRAINAGE AREAS. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO FORM THIS AFTERNOON ACROSS PORTIONS OF NORTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI SOUTH OF INTERSTATE TWENTY. A FEW OF THESE STORMS COULD USE MODERATE TO HIGH ATMOSPHERIC INSTABILITY TO BECOME POTENT. THE RISK FOR SEVERE WEATHER SHOULD INCREASE SOMEWHAT BY EARLY THIS EVENING AS THERE IS POTENTIAL FOR THUNDERSTORMS CLUSTERS PREVIOUSLY TO THE NORTH TO MOVE DOWN INTO THE REGION AND PRODUCE WINDS OVER 45 MPH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY SCATTERED THUNDERSTORMS ON FRIDAY COULD BE STRONG TO SEVERE ACROSS WITH LOCALLY HEAVY RAINFALL ALSO A RISK. THE PRIMARY IMPACT FROM THE STORMS WOULD BE GUSTY WINDS OF 50 TO 60 MPH...FREQUENT LIGHTNING STRIKES AND POSSIBLE HAIL. RAINFALL AMOUNTS COULD EASILY TOTAL 1 TO 2 INCHES IN LESS THAN ONE HOUR TO PRODUCE LOCALIZED FLOODING OF POOR DRAINAGE AND LOW LYING AREAS AS WELL. THE STALLING FRONTAL BOUNDARY OFF THE GULF COAST WILL BE RETURNING NORTHWARD BY MONDAY WITH MORE STRONG THUNDERSTORMS AND THE POTENTIAL FOR HEAVY RAINS AND FLOODING INTO TUESDAY AND POSSIBLY WEDNESDAY. .SPOTTER CALL TO ACTION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER OPERATIONS...MAY BE NEEDED LATE THIS EVENING THROUGH LATE TONIGHT. CORRECTED HEADER FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK. 50
In the hours before
Special weather statement, Aug 7, 12:10 PM CDT, 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1210 PM CDT THU AUG 7 2008 MSZ031-071740- LOWNDES MS- 1210 PM CDT THU AUG 7 2008 ...GUSTY WINDS DEVELOPING OVER NORTHERN LOWNDES COUNTY... A STRONG THUNDERSTORM CAPABLE OF PRODUCING 40 TO 50 MPH WINDS WAS LOCATED 4 MILES NORTHWEST OF KOLOLA SPRINGS AT 1210 PM CDT...MOVING EAST AT 19 MPH. THIS STORM IS INTENSIFYING AND COULD BECOME SEVERE RAPIDLY. PEOPLE IN NORTHEASTERN LOWNDES COUNTY SHOULD MONITOR THIS STORM CLOSELY. BYB
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 1:54 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Sunflower | 36 min |
| Aug 7, 2:36 PM CDT | Severe Thunderstorm Warning | JAN | Carroll, Holmes, Humphreys, Leflore, Sunflower | 39 min |
| Aug 7, 2:44 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Warren | 32 min |
| Aug 7, 2:52 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Washington | 38 min |
| Aug 7, 3:20 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 40 min |
| Aug 7, 3:42 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Yazoo | 33 min |
| Aug 7, 3:58 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Yazoo | 17 min |
| Aug 7, 4:15 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Yazoo | 30 min |
| Aug 7, 4:26 PM CDT | Severe Thunderstorm Warning | JAN | Rankin | 34 min |
| Aug 7, 4:50 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Madison, Newton, Scott | 25 min |
| Aug 7, 5:04 PM CDT | Severe Thunderstorm Warning | JAN | Rankin, Simpson, Smith | 41 min |
| Aug 7, 5:14 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Neshoba, Newton, Scott | 31 min |
| Aug 7, 5:42 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis, Lawrence | 48 min |
| Aug 7, 5:54 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Lauderdale | 41 min |
| Aug 7, 6:07 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Jasper, Jones | 38 min |
| Aug 7, 6:19 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Jones, Lamar, Marion | 56 min |
| Aug 7, 2:47 PM CDT | Severe Thunderstorm Warning | JAN | Morehouse | 16 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2008Every severe thunderstorm warning in 2008
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.