Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 155, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Apr 5, 1997, 9:57 AM CST for Choctaw County, Mississippi. It was in force for 48 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 5, 1997, 9:57 AM CST (15:57 UTC)
- Expired
- Apr 5, 1997, 10:45 AM CST
- In force
- 48 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Choctaw County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 5, 10:05 AM CST | Thunderstorm Wind | Reform, MS | Many trees and power lines were blown down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 5, 9:00 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 4.0 hours before the alert went out and 138 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
- 60 J/kg
- Mixed-layer CIN
- -183 J/kg
- Mixed-layer LCL
- 718 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 409 m²/s²
- 0-3 km storm-relative helicity
- 671 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 051600 RRA SVRJAN MSC019-051645- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 957 AM CST SAT APR 5 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MISSISSIPPI ...CHOCTAW COUNTY AT 957 AM A LINE OF SEVERE THUNDERSTORMS WAS ENTERING CHOCTAW COUNTY...MOVING EAST NORTHEAST AT 50 MPH. THESE STORMS WILL MOVE OVER WEIR BY 1005 AM AND ACKERMAN BY 1020 AM. A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WLEATHER CONDITIONS. < 63
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.
In the hours before
Special weather statement, Apr 5, 7:05 AM CST, 2 hours 52 minutes before
MSZ001>082-051200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 705 AM CST SAT APR 5 1997 ...TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT UNTIL 900 AM CST FOR MUCH OF WESTERN MISSISSIPPI... TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT FOR MUCH OF WESTERN MISSISSIPPI UNTIL 900 AM CST THIS SATURDAY MORNING. A LINE OF VERY STRONG THUNDERSTORMS WILL BE MOVBING INTO WEST MISSISSIPPI BY 800 AM CST. THESE STORMS HAVE A HSITORY OF PRODUCING STRONG WINDS, DEADLY LIGHTNING AND VERY HEAVY RAINFALL. THEY ARE ALSO CAPABLE OF PRODUCING TORNADOES.
Special weather statement, Apr 5, 7:08 AM CST, 2 hours 49 minutes before
MSZ001>082-051200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 705 AM CST SAT APR 5 1997 ...TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT UNTIL 900 AM CST FOR MUCH OF WESTERN MISSISSIPPI... TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT FOR MUCH OF WESTERN MISSISSIPPI UNTIL 900 AM CST THIS SATURDAY MORNING. A LINE OF VERY STRONG THUNDERSTORMS WILL BE MOVBING INTO WEST MISSISSIPPI BY 800 AM CST. THESE STORMS HAVE A HSITORY OF PRODUCING STRONG WINDS, DEADLY LIGHTNING AND VERY HEAVY RAINFALL. THEY ARE ALSO CAPABLE OF PRODUCING TORNADOES. MANAGEMENT PERSONNEL MAY BE REQUIRED PRIOR TO DAWN WITH THIS APPROACHING SYSTEM. PERSONS IN MISSISSIPPI ARE URGED TO WATCH FOR FURTHER STATE*MENTS AS THIS SYSTEM DEVELOPS.
Special weather statement, Apr 5, 7:11 AM CST, 2 hours 46 minutes before
MSZ001>082-051200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 705 AM CST SAT APR 5 1997 ...TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT UNTIL 900 AM CST FOR MUCH OF WESTERN MISSISSIPPI... TORNADO WATCHES 139 AND 140 REMAIN IN EFFECT FOR MUCH OF WESTERN MISSISSIPPI UNTIL 900 AM CST THIS SATURDAY MORNING. A LINE OF VERY STRONG THUNDERSTORMS WILL BE MOVBING INTO WEST MISSISSIPPI BY 800 AM CST. THESE STORMS HAVE A HSITORY OF6 PRODUCING STRONG WINDS, DEADLY LIGHTNING AND VERY HEAVY RAINFALL. THEY ARE ALSO CAPABLE OF PRODUCING TORNADOES.
Local storm report, Apr 5, 8:48 AM CST, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MISSISSIPPI
848 AM CST SAT APR 05 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0640 AM WINNSBORO LA WIND DAMAGE
04/05/97 FRANKLIN TREES AND POWERLINES
DOWNED...ALSO AT GILBERT
0705 AM LA WIND DAMAGE
04/05/97 MADISON MS TREES DOWN THROUGHOUT THE
PARISH
0727 AM 5 S GREENVILLE MS WIND DAMAGE
04/05/97 WASHINGTON HIGHWAY SIGNS BLOWN DOWN
0730 AM GREENVILLE MS WIND DAMAGE
04/05/97 WASHINGTON TREES AND POWERLINES DOWN
0740 AM 2 SE BOYLE MS WIND DAMAGE
04/05/97 BOLIVAR TREES DOWN
0745 AM PORT GIBSON MS WIND DAMAGE
04/05/97 CLAIBORNE TREES DOWN
0810 AM VICKSBURG MS 60 MPH TSTM GUST
04/05/97 WARREN TREES DOWN...POWERLINES
DOWN...WINDOWS BLOWN OUT
0835 AM RAYMOND MS 60 MPH TSTM GUST
04/05/97 HINDS
0820 AM HAZELHURST MS 60 MPH TSTM GUST
04/05/97 COPIAH ALSO PEA SIZE HAILSpecial weather statement, Apr 5, 9:23 AM CST, 34 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ001>067-072>076-078-079- 052215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 923 AM CST SAT APR 5 1997 A WIND ADVISORY REMAINS IN EFFECT FOR AREA LAKES FOR EXTREME SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA AND MOST OF MISSISSIPPI TODAY. A SLOW MOVING BUT STRONG FRONTAL SYSTEM WILL MOVE ACROSS THE LOWER MISSISSIPPI VALLEY TODAY BRINGING SHOWERS AND THUNDERSTORMS TO THE REGION. THE PRESSURE GRADIENT IS VERY TIGHT WITH THIS SYSTEM AS SUSTAINED WINDS ACROSS THE AREA DURING THE NIGHT AVERAGED 15 TO 25 MPH WITH FREQUENTLY HIGHER GUSTS. THE PRESSURE GRADIENT WILL STRENGTHEN TODAY AS SOUTHERLY WINDS CONTINUE TO INCREASE WITH GULF MOISTURE RACING NORTH INTO THE APPROACHING FRONTAL SYSTEM. BOATERS ARE ENCOURAGED TO AVOID WATERWAYS TODAY IF POSSIBLE AND EXERCISE EXTREME CAUTION IF VENTURING ONTO AREA LAKES. WATERS WILL BECOME CHOPPY AND QUITE TURBULENT WITH LITTLE ADVANCE WARNING TODAY. STAY TUNED TO NOAA WEATHER RADIO...THE LOCAL NEWS MEDIA CABLE T.V. AND TELEVISION FOR FURTHER UPDATES OR STATEMENTS ON THIS DEVELOPING WEATHER SITUATION.
Special weather statement, Apr 5, 9:53 AM CST, 4 minutes before
MSZ001>082-061200- MISSISSIPPI THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1000 AM CST FRI APR 4 1997 ...SEVERE WEATHER WILL BE POSSIBLE OVER MOST OF MISSISSIPPI TODAY... A STRONG UPPER LEVEL STORM SYSTEM WILL BE MOVING NORTHEAST INTO THE CENTRAL PORTION OF THE COUNTRY DURING THE NEXT 24 HOURS. AHEAD OF THE COLD FRONT ASSOCIATED WITH THIS SYSTEM...STRONG DYNAMICS AND ABUNDANT MOISTURE WILL CONTRIBUTE TO THE DEVELOPMENT OF SHOWERS AND SCATTERED THUNDERSTORMS OVER MISSISSIPPI TODAY. SEVERAL SEVERE THUNDERSTORMS HAVE ALREADY DEVELOPED AS THIS SYSTEM MOVED ACROSS EASTERN MISSISSIPPI. THE POTENTIAL FOR ADDITIONAL SEVERE WEATHER REMAINS. AT LATE MORNING...A LINE OF STRONG THUNDERSTORMS STRETCHED FROM NEAR OXFORD TO JACKSON TO MCCOMB. THIS LINE WILL CONTINUE EAST THROUGH THE AFTERNOON HOURS. IN SEVERE STORMS...STRONG DAMAGING WINDS...LARGE HAIL...HEAVY DOWNPOURS... AND TORNADOES ARE POSSIBLE. BEHIND THESE STORMS...CLOUDY SKIES...RAIN AND EMBEDDED THUNDERSTORMS WILL DIMINISH FROM THE WEST. EMERGENCY MANAGEMENT PERSONNEL WILL BE REQUIRED THROUGHOUT THE DAY AS THIS SYSTEM MOVES EAST ACROSS MISSISSIPPI. PERSONS IN MISSISSIPPI ARE URGED TO WATCH FOR FURTHER STATEME4NTS AS THIS SYSTEM CONTINUES.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 7:03 AM CST | Severe Thunderstorm Warning | JAN | Issaquena | 27 min |
| Apr 5, 7:16 AM CST | Severe Thunderstorm Warning | JAN | Sharkey | 44 min |
| Apr 5, 7:26 AM CST | Severe Thunderstorm Warning | JAN | Washington | 34 min |
| Apr 5, 7:33 AM CST | Severe Thunderstorm Warning | JAN | Humphreys, Sunflower | 42 min |
| Apr 5, 7:33 AM CST | Severe Thunderstorm Warning | JAN | Yazoo | 42 min |
| Apr 5, 7:38 AM CST | Severe Thunderstorm Warning | JAN | Claiborne | 52 min |
| Apr 5, 7:44 AM CST | Tornado Warning | JAN | Humphreys | 31 min |
| Apr 5, 7:57 AM CST | Severe Thunderstorm Warning | JAN | Holmes, Leflore | 48 min |
| Apr 5, 8:02 AM CST | Severe Thunderstorm Warning | JAN | Warren | 28 min |
| Apr 5, 8:12 AM CST | Severe Thunderstorm Warning | JAN | Copiah, Hinds | 48 min |
| Apr 5, 8:21 AM CST | Severe Thunderstorm Warning | JAN | Carroll, Grenada | 54 min |
| Apr 5, 8:40 AM CST | Severe Thunderstorm Warning | JAN | Madison, Rankin | 65 min |
| Apr 5, 8:49 AM CST | Severe Thunderstorm Warning | JAN | Yazoo | 41 min |
| Apr 5, 8:57 AM CST | Severe Thunderstorm Warning | JAN | Simpson | 48 min |
| Apr 5, 9:29 AM CST | Severe Thunderstorm Warning | JAN | Scott | 46 min |
| Apr 5, 10:00 AM CST | Severe Thunderstorm Warning | JAN | Leake, Neshoba | 45 min |
| Apr 5, 10:18 AM CST | Severe Thunderstorm Warning | JAN | Oktibbeha, Webster | 42 min |
| Apr 5, 11:52 AM CST | Severe Thunderstorm Warning | JAN | Clarke, Lauderdale | 53 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.