Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 485, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Oct 25, 1997, 11:06 AM CDT for Issaquena County, Mississippi. It was in force for 39 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
- Oct 25, 1997, 11:06 AM CDT (16:06 UTC)
- Expired
- Oct 25, 1997, 11:45 AM CDT
- In force
- 39 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Issaquena County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 4.1 hours before the alert went out and 97 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
- 2580 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 503 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 8.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 251614 SVRJAN MSC055-251645- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 1106 AM CDT SAT OCT 25 1997 ...CORRECTED FOR TIME... THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL MISSISSIPPI ...ISSAQUENA COUNTY AT 1105 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTH OF FITLER MOVING TO THE NORTHEAST 15 MPH. THE STORM HAS THE POTENTIAL TO PRODUCE LARGE HAIL. PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY FROM WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS DON'T DRIVE INTO WATER CROSSINGS. <
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, Oct 25, 10:25 AM CDT, 41 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-260400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1025 AM CDT SAT OCT 25 1997 ...SEVERE THUNDERSTORMS WILL THREATEN THE AREA AGAIN THIS AFTERNOON AND TONIGHT... A SURFACE LOW PRESSURE CENTER WHICH WILL MOVE FROM NORTHEAST TEXAS THIS AFTERNOON TO SOUTHERN INDIANA SUNDAY EVENING WILL TRAIL A COLD FRONT SOUTHWARD FROM CENTRAL ARKANSAS TO NORTH-CENTRAL LOUISIANA LATE TONIGHT. THE FRONT WILL MOVE INTO WESTERN MISSISSIPPI EARLY SUNDAY MORNING AND MOVE EAST OF THE STATE OF MISSISSIPPI LATE SUNDAY. AHEAD OF THE FRONT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND THUNDERSTORMS ARE EXPECTED TO INCREASE TONIGHT AS THE FRONT APPROACHES THE MISSISSIPPI RIVER. MOIST AND UNSTABLE CONDITIONS AHEAD OF THE APPROACHING FRONT WILL MAKE FOR A MODERATE RISK OF SEVERE WEATHER ACROSS MOST ALL OF THE THIS AFTERNOON AND TONIGHT. IT WILL PROBABLY BE NECESSARY TO REQUEST THE ASSISTANCE OF HAM RADIO OPERATORS...STORM SPOTTERS...EMERGENCY MANAGERS AND PUBLIC SAFETY OFFICIALS IN SEVERE WEATHER DETECTION ACTIVITIES THIS AFTERNOON OR TONIGHT. FOR MORE WEATHER INFORMATION PLEAS VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT HTTP://WWW.JANNWS.STATE.MS.US
Special weather statement, Oct 25, 10:38 AM CDT, 28 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-260400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1025 AM CDT SAT OCT 25 1997 ...SEVERE THUNDERSTORMS WILL THREATEN THE AREA AGAIN THIS AFTERNOON AND TONIGHT... A SURFACE LOW PRESSURE CENTER WHICH WILL MOVE FROM NORTHEAST TEXAS THIS AFTERNOON TO SOUTHERN INDIANA SUNDAY EVENING WILL TRAIL A COLD FRONT SOUTHWARD FROM CENTRAL ARKANSAS TO NORTH-CENTRAL LOUISIANA LATE TONIGHT. THE FRONT WILL MOVE INTO WESTERN MISSISSIPPI EARLY SUNDAY MORNING AND MOVE EAST OF THE STATE OF MISSISSIPPI LATE SUNDAY. AHEAD OF THE FRONT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND THUNDERSTORMS ARE EXPECTED TO INCREASE TONIGHT AS THE FRONT APPROACHES THE MISSISSIPPI RIVER. MOIST AND UNSTABLE CONDITIONS AHEAD OF THE APPROACHING FRONT WILL MAKE FOR A MODERATE RISK OF SEVERE WEATHER ACROSS MOST ALL OF THE THIS AFTERNOON AND TONIGHT. IT WILL PROBABLY BE NECESSARY TO REQUEST THE ASSISTANCE OF HAM RADIO OPERATORS...STORM SPOTTERS...EMERGENCY MANAGERS AND PUBLIC SAFETY OFFICIALS IN SEVERE WEATHER DETECTION ACTIVITIES THIS AFTERNOON OR TONIGHT. FOR MORE WEATHER INFORMATION PLEAS VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT HTTP://WWW.JANNWS.STATE.MS.US
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 6:23 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 37 min |
| Oct 25, 6:39 AM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 36 min |
| Oct 25, 7:00 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 45 min |
| Oct 25, 7:56 AM CDT | Severe Thunderstorm Warning | JAN | Claiborne | 34 min |
| Oct 25, 8:10 AM CDT | Tornado Warning | JAN | Grenada | 35 min |
| Oct 25, 1:52 PM CDT | Severe Thunderstorm Warning | JAN | Jasper | 53 min |
| Oct 25, 2:08 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 52 min |
| Oct 25, 2:40 PM CDT | Severe Thunderstorm Warning | JAN | Jasper | 35 min |
| Oct 25, 2:49 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 41 min |
| Oct 25, 3:18 PM CDT | Tornado Warning | JAN | Forrest | 42 min |
| Oct 25, 3:30 PM CDT | Severe Thunderstorm Warning | JAN | Clarke | 45 min |
| Oct 25, 5:30 PM CDT | Severe Thunderstorm Warning | JAN | Webster | 30 min |
| Oct 25, 5:43 PM CDT | Tornado Warning | JAN | Webster | 32 min |
| Oct 25, 6:30 PM CDT | Tornado Warning | JAN | Leflore, Sunflower | 30 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; the sounding from the Mesonet's radiosonde archive.