Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 439, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 15, 1997, 2:40 PM CDT for Smith County, Mississippi. It was in force for 35 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
- Jul 15, 1997, 2:40 PM CDT (19:40 UTC)
- Expired
- Jul 15, 1997, 3:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Smith County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 15, 2:55 PM CDT | Hail 0.75 | Raleigh, MS |
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 nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.7 hours before the alert went out and 64 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
- 670 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1019 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- -31 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 151942 RRA SVRJAN MSC129-152015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 240 PM CDT TUE JUL 15 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MISSISSIPPI ...SMITH COUNTY AT 240 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR RALEIGH. THE STORM WAS MOVING SLOWLY SOUTHWEST. DAMAGING WIND AND HAIL TO THE SIZE OF NICKELS ARE POSSIBLE WITH THIS STORM. SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. < 65
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, Jul 15, 9:58 AM CDT, 4 hours 42 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-160400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1000 AM CDT MON JUL 14 1997 SCATTERED THUNDERSTORMS WILL DEVELOP...ESPECIALLY IN THE CENTRAL AND SOUTHERN SECTIONS OF THE REGION THIS AFTERNOON AS TEMPERATURES RISE INTO THE LOWER 90S. SOME STORMS MAY PRODUCE PERIODS OF VERY HEAVY RAIN...FREQUENT LIGHTNING...SMALL HAIL...AND STRONG GUSTY WIND. NO SEVERET WEATHER IS ANTICIPATED AND THE ACTIVATION OF STORM SPOTTERS... HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE NECESSARY THIS AFTERNOON OR EVENING.
Special weather statement, Jul 15, 10:00 AM CDT, 4 hours 40 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-160400- AREA THUNDERSTORM OUTLOOK...CORRECTION FOR DATE... NATIONAL WEATHER SERVICE JACKSON MS 1000 AM CDT TUE JUL 15 1997 SCATTERED THUNDERSTORMS WILL DEVELOP...ESPECIALLY IN THE CENTRAL AND SOUTHERN SECTIONS OF THE REGION THIS AFTERNOON AS TEMPERATURES RISE INTO THE LOWER 90S. SOME STORMS MAY PRODUCE PERIODS OF VERY HEAVY RAIN...FREQUENT LIGHTNING...SMALL HAIL...AND STRONG GUSTY WIND. NO SEVERE WEATHER IS ANTICIPATED AND THE ACTIVATION OF STORM SPOTTERS... HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE NECESSARY THIS AFTERNOON OR EVENING.
Special weather statement, Jul 15, 10:01 AM CDT, 4 hours 39 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-160400- AREA THUNDERSTORM OUTLOOK...CORRECTION FOR DATE... NATIONAL WEATHER SERVICE JACKSON MS 1000 AM CDT TUE JUL 15 1997 SCATTERED THUNDERSTORMS WILL DEVELOP...ESPECIALLY IN THE CENTRAL AND SOUTHERN SECTIONS OF THE REGION THIS AFTERNOON AS TEMPERATURES RISE INTO THE LOWER 90S. SOME STORMS MAY PRODUCE PERIODS OF VERY HEAVY RAIN...FREQUENT LIGHTNING...SMALL HAIL...AND ST^RONG GUSTY WIND. NO SEVERE WEATHER IS ANTICIPATED AND THE ACTIVATION OF STORM SPOTTERS... HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE NECESSARY THIS AFTERNOON OR EVENING.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 3:19 PM CDT | Severe Thunderstorm Warning | JAN | Jasper | 41 min |
| Jul 15, 3:25 PM CDT | Severe Thunderstorm Warning | JAN | Lincoln | 35 min |
| Jul 15, 3:52 PM CDT | Severe Thunderstorm Warning | JAN | Rankin | 38 min |
| Jul 15, 4:10 PM CDT | Severe Thunderstorm Warning | JAN | Franklin | 50 min |
| Jul 15, 4:30 PM CDT | Severe Thunderstorm Warning | JAN | Lincoln | 45 min |
| Jul 15, 5:11 PM CDT | Severe Thunderstorm Warning | JAN | Smith | 49 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.