Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 469, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Oct 21, 1997, 3:00 PM CDT for Hinds County, Mississippi. It was in force for 30 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 21, 1997, 3:00 PM CDT (20:00 UTC)
- Expired
- Oct 21, 1997, 3:30 PM CDT
- In force
- 30 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Hinds County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 8.0 hours before the alert went out and 35 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
- 255 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 21, 10:25 AM CDT, 4 hours 35 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-220400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1025 AM CDT TUE OCT 21 1997 SCATTERED THUNDERSTORMS ARE EXPECTED THROUGH TONIGHT AS A COLD FRONT MOVES SOUTHEASTWARD ACROSS THE AREA. MOST OF THE STORMS SHOULD REMAIN ALONG AND JUST BEHIND THE FRONT SINCE THE AIRMASS REMAINED RATHER DRY AHEAD OF IT. DUE TO LIMITED INSTABILITY AND WEAK LOW LEVEL WINDS... NO SEVERE WEATHER IS EXPECTED. HOWEVER...ISOLATED STRONG STORMS ARE LIKELY WITH FREQUENT LIGHTNING STRIKES...GUSTY WINDS AND BRIEF HEAVY RAINS AND THE STORMS WILL GENERALLY BE MOVING EAST AT 30 TO 40 MPH. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL SHOULD NOT BE REQUIRED THROUGH TONIGHT. FOR MORE WEATHER INFORMATION...PLEASE VISIT OUR INTERNET SITE ONTHE WORLD WIDE WEB AT - HTTP:/WWW.JANNWS.STATE.MS.US/ (IN LOWE CASE).
Special weather statement, Oct 21, 10:28 AM CDT, 4 hours 32 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-220400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1025 AM CDT TUE OCT 21 1997 SCATTERED THUNDERSTORMS ARE EXPECTED THROUGH TONIGHT AS A COLD FRONT MOVES SOUTHEASTWARD ACROSS THE AREA. MOST OF THE STORMS SHOULD REMAIN ALONG AND JUST BEHIND THE FRONT SINCE THE AIRMASS REMAINED RATHER DRY AHEAD OF IT. DUE TO LIMITED INSTABILITY AND WEAK LOW LEVEL WINDS... NO SEVERE WEATHER IS EXPECTED. HOWEVER...ISOLATED STRONG STORMS ARE LIKELY WITH FREQUENT LIGHTNING STRIKES...GUSTY WINDS AND BRIEF HEAVY RAINS AND THE STORMS WILL GENERALLY BE MOVING EAST AT 30 TO 40 MPH. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL SHOULD NOT BE REQUIRED THROUGH TONIGHT. FOR MORE WEATHER INFORMATION...PLEASE VISIT OUR INTERNET SITE ONTHE WORLD WIDE WEB AT - HTTP:/WWW.JANNWS.STATE.MS.US/ (IN LOWE CASE).
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 12:41 PM CDT | Severe Thunderstorm Warning | JAN | Morehouse | 49 min |
| Oct 21, 1:51 PM CDT | Severe Thunderstorm Warning | JAN | West Carroll | 39 min |
| Oct 21, 2:11 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll | 34 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.