Alert archive / Mississippi / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 475, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jun 11, 2003, 9:36 PM CDT for Bolivar County, Mississippi. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2003, 9:36 PM CDT (02:36 UTC)
- Expired
- Jun 11, 2003, 10:35 PM CDT
- In force
- 59 min
- Issued by
- NWS Jackson, MS
- Area
- Counties, with a storm outline in the text
County Bolivar County, MS
The radar
The Little Rock radar (KLZK), 171 km from the middle of the area, began a volume at 02:40 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 11, 7:50 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 2.6 hours before the alert went out and 155 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
- 3192 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 832 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 11.7
The text
As transmitted, in the capitals the NWS used until 2016.
391
WUUS54 KJAN 120236
SVRJAN
MSC011-120335-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
936 PM CDT WED JUN 11 2003
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BOLIVAR COUNTY IN NORTHWEST MISSISSIPPI
* UNTIL 1035 PM CDT
* AT 936 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 10 MILES NORTHWEST OF BENOIT...OR ABOUT 11
MILES SOUTHWEST OF ROSEDALE...MOVING EAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL...
BE NEAR ROSEDALE AT 940 PM CDT
BE NEAR BENOIT AT 950 PM CDT
BE NEAR PACE AT 1005 PM CDT
BE NEAR MERIGOLD AT 1015 PM CDT
BE NEAR SHAW...BOYLE...CLEVELAND...RENOVA AT 1020 PM CDT
PENNY SIZE HAIL...DAMAGING WINDS TO 60 MPH...AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER WHILE
THE STORM PASSES.
LAT...LON 3385 9100 3384 9066 3365 9067 3362 9078
3357 9078 3365 9116 3372 9118 3366 9111
3369 9102 3374 9106 3372 9113 3378 9106
3379 9097
$$
CRAVENWhat 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 Jun 11, 8:21 PM CDT, 1 hour 15 minutes earlier.
Area forecast discussion, Jun 11, 8:21 PM CDT, 1 hour 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSON MS 820 CDT WED JUN 11 2003 CURRENTLY EXPERIENCING TRAINING OF SIGNIFICANT THUNDERSTORMS ACROSS THE NORTHERN FRINGE OF THE CWA. EAST TO WEST ORIENTED LINE IS LOCATED IN AN AREA OF ENHANCED MOISTURE CONVERGENCE IN A CONTINUED UNSTABLE ENVIRONMENT. CORFIDI VECTORS IN THIS AREA ARE WEAK AND ARE EXPECTED TO REMAIN SO THROUGH THE EVENING. THEREFORE...EXPECT THIS LINE OF CONVECTION TO CONTINUE THIS EVENING OVER NORTHERN ZONES WITH SOME SLIGHT SOUTHWARD DRIFT ANTICIPATED OVER THE NEXT FEW HOURS. WILL RAISE POPS UP TO LIKELY IN THE NORTHERN QUARTER. OVERNIGHT...MODELS INDICATING THE NOSE OF A 70-80 KT UPPER LEVEL JET WILL BE NUDGING INTO CENTRAL LA/SOUTHWEST MS AFTER MIDNIGHT. WITH EASTWARD PROPAGATING THUNDERSTORMS ONGOING IN CENTRAL TX CURRENTLY...THE POSSIBILITY THAT MORE STORMS WILL MOVE INTO WESTERN ZONES BEFORE MORNING EXISTS...ESPECIALLY IN WEST-CENTRAL/NW MS UNDERNEATH THE FAVORABLE LEFT EXIT REGION OF JET. GIVEN THE CURRENT AND EXPECTED SCENARIO...LOWERED POPS IN SOUTHEAST MS WHILE TRENDING A BIT HIGHER IN THE WEST AND NORTH. NEW SEVERE THUNDERSTORM WATCH IS BEING ISSUED TO COVER ACTIVITY TO THE NORTH AND WILL EXTEND NEARLY AS FAR SOUTH AS THE INTERSTATE 20 CORRIDOR. MAIN THREAT WILL BE HAIL...DAMAGING WINDS...AND HEAVY RAINS. .JAN... AR... LA... MS... 50
Hazardous weather outlook, Jun 11, 6:50 PM CDT, 2 hours 46 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 122350- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 650 PM CDT WED JUN 11 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI... NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS .DAY ONE...TONIGHT AND THURSDAY... ...THUNDERSTORMS... THUNDERSTORMS WILL BE POSSIBLE ACROSS THE ENTIRE AREA TONIGHT THROUGH THURSDAY. ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS EVENING AND AGAIN ON THURSDAY. DAMAGING WINDS FROM 60 TO 70 MPH...BRIEF HEAVY RAIN AND DANGEROUS LIGHTNING WILL BE POSSIBLE. SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS EVENING MAINLY NORTH OF INTERSTATE 20. SEVERAL BOUNDARIES FORMED AHEAD OF A STRONG LOW PRESSURE SYSTEM MOVING ACROSS THE MIDWEST...CAUSING MANY THUNDERSTORMS TO DEVELOP THIS AFTERNOON. AFTERNOON HEATING...MOISTURE AND OLD BOUNDARIES WILL LEAD TO MORE THUNDERSTORMS THROUGH THE EVENING...WHERE A FEW STORMS MAY BECOME SEVERE. SEVERAL UPPER LEVEL DISTURBANCES WILL MOVE INTO THE AREA FROM THE WEST EARLY THURSDAY. SOUTHERLY FLOW CONTINUES TO BRING WARM...MOIST AND UNSTABLE AIR INTO THE REGION. THE COMBINATION OF MOISTURE...INSTABILITY AND UPPER LEVEL DISTURBANCES WILL BRING SCATTERED THUNDERSTORMS TO THE AREA BY THURSDAY AFTERNOON...WHERE A FEW STORMS MAY BECOME SEVERE. ...FLOODING... COMPLEXES OF THUNDERSTORMS LATE THIS AFTERNOON COULD PERSIST WELL INTO THE NIGHT AS THEY MOVE EASTWARD ACROSS THE AREA...MAINLY NORTH OF HIGHWAY 82. PERIODS OF HEAVY RAINFALL COULD PRODUCE ONE TO TWO INCHES CAUSING PONDING OF WATER ON ROADWAYS AND IN POOR DRAINAGE AREAS. WEAK UPPER LEVEL DISTURBANCES WILL INTERACT WITH A TROPICAL AIRMASS TO PRODUCE THE HEAVY RAINS. ADDITIONAL OUTFLOW BOUNDARIES COULD ALSO FOCUS THE THUNDERSTORMS AGAIN THURSDAY AFTERNOON. .DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH WEDNESDAY... ...DAYS TWO AND THREE...THURSDAY NIGHT THROUGH SATURDAY... SCATTERED THUNDERSTORMS CAN BE EXPECTED THURSDAY NIGHT THROUGH SATURDAY. THE ATMOSPHERE WILL REMAIN VERY MOIST AND UNSTABLE. WITH SEVERAL UPPER LEVEL DISTURBANCES MOVING ACROSS THE REGION...STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS THE ENTIRE AREA...MAINLY DURING THE AFTERNOONS AND EVENINGS. ...DAYS FOUR THROUGH SEVEN...SATURDAY NIGHT THROUGH WEDNESDAY... AN ACTIVE WEATHER PATTERN WILL CONTINUE THIS WEEKEND THROUGH EARLY NEXT WEEK. STRONG THUNDERSTORMS WILL BE POSSIBLE OVER THE ENTIRE OUTLOOK AREA SATURDAY THROUGH WEDNESDAY. AN LOW PRESSURE SYSTEM WILL SETTLE OVER THE ARKLATEX REGION AROUND SUNDAY. SOUTHERLY WINDS WILL INCREASE AHEAD OF THE SYSTEM AND PROVIDE A STEADY FLOW OF VERY MOIST AND UNSTABLE AIR INTO THE LOWER MISSISSIPPI RIVER VALLEY. THE UPPER LEVEL SYSTEM WILL REMAIN OVER THE AREA THROUGH WEDNESDAY...KEEPING A CHANCE OF STRONG THUNDERSTORMS THROUGH MID WEEK. .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 THROUGH TONIGHT AND AGAIN ON THURSDAY. FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK.
In the hours before
Local storm report, Jun 11, 8:40 PM CDT, 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
840 PM CDT WED JUN 11 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0815 PM CLEVELAND MS WIND DAMAGE
06/11/03 BOLIVAR A FEW TREES DOWN.
REPORTED BY BOLIVAR
COUNTY EMA.
0815 PM CLEVELAND MS FLOODING
06/11/03 BOLIVAR STREET FLOODING. REPORTED
BY BOLIVAR COUNTY EMA.Local storm report, Jun 11, 8:47 PM CDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
847 PM CDT WED JUN 11 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0830 PM MS WIND DAMAGE
06/11/03 CLAY A FEW TREES DOWN.
REPORTED BY CLAY COUNTY
SHERIFFS OFFICE.Local storm report, Jun 11, 9:02 PM CDT, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
902 PM CDT WED JUN 11 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0845 PM GREENWOOD MS WIND DAMAGE
06/11/03 LEFLORE NUMEROUS TREES DOWN.
REPORTED BY POLICE.Local storm report, Jun 11, 9:08 PM CDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
908 PM CDT WED JUN 11 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0905 PM 1 E GREENWOOD MS 0.75 INCH HAIL
06/11/03 LEFLORE REPORTED BY LEFLORE
COUNTY EMA.Local storm report, Jun 11, 9:17 PM CDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
917 PM CDT WED JUN 11 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0830 PM GRENADA MS WIND DAMAGE
06/11/03 GRENADA A FEW TREES DOWN.
REPORTED BY GRENADA
COUNTY SHERIFFS OFFICE.
0900 PM GRENADA MS FLOODING
06/11/03 GRENADA STREET FLOODING. REPORTED
BY GRENADA COUNTY
SHERIFFS OFFICE.Local storm report, Jun 11, 9:30 PM CDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
930 PM CDT WED JUN 11 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0920 PM VAIDEN MS 0.75 INCH HAIL
06/11/03 CARROLL PUBLIC REPORT.The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 7:00 PM CDT | Severe Thunderstorm Warning | JAN | Grenada | 40 min |
| Jun 11, 7:27 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 63 min |
| Jun 11, 7:56 PM CDT | Severe Thunderstorm Warning | JAN | Grenada | 59 min |
| Jun 11, 7:59 PM CDT | Flash Flood Warning | JAN | Grenada | 3 hr |
| Jun 11, 8:08 PM CDT | Severe Thunderstorm Warning | JAN | Clay | 42 min |
| Jun 11, 8:09 PM CDT | Severe Thunderstorm Warning | JAN | Leflore, Sunflower | 61 min |
| Jun 11, 8:25 PM CDT | Flash Flood Warning | JAN | Leflore | 3 hr |
| Jun 11, 8:47 PM CDT | Severe Thunderstorm Warning | JAN | Carroll | 58 min |
| Jun 11, 10:28 PM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 42 min |
| Jun 11, 11:03 PM CDT | Flash Flood Warning | JAN | Carroll, Holmes, Leflore, Sunflower | 3 hr |
| Jun 11, 11:37 PM CDT | Severe Thunderstorm Warning | JAN | Humphreys, Sharkey | 43 min |
| Jun 12, 9:13 AM CDT | Severe Thunderstorm Warning | JAN | Adams | 57 min |
| Jun 12, 9:58 AM CDT | Severe Thunderstorm Warning | JAN | Forrest | 42 min |
| Jun 12, 11:17 AM CDT | Severe Thunderstorm Warning | JAN | Jefferson Davis, Simpson | 43 min |
| Jun 12, 11:19 AM CDT | Severe Thunderstorm Warning | JAN | Lawrence | 31 min |
| Jun 12, 11:23 AM CDT | Severe Thunderstorm Warning | JAN | Smith | 47 min |
| Jun 12, 4:06 PM CDT | Severe Thunderstorm Warning | JAN | Adams | 59 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2003Every severe thunderstorm warning in 2003
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.