Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 286, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 20, 1997, 6:53 PM CDT for Jefferson Davis County, Lawrence County, Mississippi. It was in force for 52 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
- May 20, 1997, 6:53 PM CDT (23:53 UTC)
- Expired
- May 20, 1997, 7:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 20, 7:13 PM CDT | Thunderstorm Wind 52 | Prentiss, 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, 11.9 hours before the alert went out and 85 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
- 736 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
789 WUUS1 KJAN 202354 RRA SVRJAN MSC065-077-210045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 653 PM CDT TUE MAY 20 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL MISSISSIPPI ...JEFFERSON DAVIS COUNTY...EASTERN LAWRENCE COUNTY AT 651 PM WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM CENTERED NEAR SILVER CREEK...MOVING EAST SOUTHEAST AT 15 MPH. THE STORM WILL AFFECT PRENTISS BY 710 PM...AND MAY AFFECT CARSON AROUND 715 PM. HAIL TO THE SIZE OF DIMES...WINDS UP TO 60 MPH...AND VERY HEAVY RAINFALL MAY OCCUR WITH THIS STORM. PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY FROM WINDOWS. DONT USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS DONT DRIVE INTO WATER CROSSINGS. < 68
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
Local storm report, May 20, 1:06 PM CDT, 5 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MISSISSIPPI
106 PM CDT TUE MAY 20 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 PM BUDE MS .75 INCH HAIL
05/19/97 FRANKLIN REPORTED BY MEADVILLE P.D.
0400 PM MENDENHALL MS WIND DAMAGE
05/19/97 SIMPSON SEVERAL TREES AND POWER
LINES DOWN AROUND
MENDENHALL HIGH SCHOOL.
MINOR DAMAGE TO THE HIGH
SCHOOL ROOF.
REPORTED BY WLBT TV.Local storm report, May 20, 1:09 PM CDT, 5 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MISSISSIPPI
106 PM CDT TUE MAY 20 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 PM BUDE MS .75 INCH HAIL
05/19/97 FRANKLIN REPORTED BY MEADVILLE P.D.
0400 PM MENDENHALL MS WIND DAMAGE
05/19/97 SIMPSON SEVERAL TREES AND POWER
LINES DOWN AROUND
MENDENHALL HIGH SCHOOL.
MINOR DAMAGE TO THE HIGH
SCHOOL ROOF.
REPORTED BY WLBT TV.The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 5:38 PM CDT | Severe Thunderstorm Warning | JAN | Lincoln | 52 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.