Alert archive / Mississippi / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 192, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Nov 21, 1992, 10:49 PM CST for Copiah County, Lincoln County, Mississippi. It was in force for 26 min. 3 reports 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
- Nov 21, 1992, 10:49 PM CST (04:49 UTC)
- Expired
- Nov 21, 1992, 11:15 PM CST
- In force
- 26 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Copiah County, MS, Lincoln County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 21, 10:50 PM CST | Tornado F2 | Lincoln, MS | |
| Nov 21, 11:04 PM CST | Tornado F2 | Copiah, MS | |
| Nov 21, 11:15 PM CST | Tornado F1 | Copiah, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 4.8 hours before the alert went out and 77 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
- 642 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 1047 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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, Nov 21, 7:53 PM CST, 2 hours 56 minutes before
MSZALL-ARZ014>016-LAZ002-003-004-006-009-010-013- ALZ004-008-013-016-220600- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 730 PM CST SAT NOV 21 1992 STRONG SOUTHERLY FLOW AHEAD OF AN APPROACHING FRONTAL SYSTEM HAS PROVIDED A MOIST AND UNSTABLE AIR MASS OVER MISSISSIPPI. SCATTERED THUNDERSTORMS HAVE DEVELOPED IN THIS ENVIRONMENT WITH LOCALLY HEAVY RAIN OVER SOME CENTRAL MISSISSIPPI COUNTIES. THE STRONGEST STORMS WERE LOCATED ABOUT 25 MILES SOUTHEAST OF GREENWOOD AND WERE MOVING TO THE NORTH AT ABOUT 30 MILES AN HOUR. STRONGER THUNDERSTORMS WERE LOCATED OVER LOUISIANA IN THE VICINITY OF AN INTENSE LOW PRESSURE SYSTEM THAT WAS NEAR THE LOUISIANA-TEXAS BORDER. THE LOW WILL LIFT SLOWLY TO THE NORTHEAST TONIGHT...DRAGGING A VIGOROUS COLD FRONT SLOWLY ACROSS MISSISSIPPI. RAIN AND THUNDERSTORMS WILL INCREASE OVER THE STATE AS THE FRONT INCHES TOWARD OUR AREA AND A SEVERE WEATHER WATCH MAY BE ISSUED LATER THIS EVENING.
Special weather statement, Nov 21, 9:37 PM CST, 1 hour 12 minutes before
MSZALL-ARZ014>016-LAZ002-003-004-006-009-010-013- ALZ004-008-013-016-220600- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 930 PM CST SAT NOV 21 1992 ...TORNADO WATCH NUMBER 914 IN EFFECT TIL 3 AM CST SUNDAY...ALONG AND SOUTH OF A CLARKSDALE TO TUPELO LINE. AT 925 PM JACKSON RADAR INDICATED CLUSTERS OF STRONG THUNDERSTORMS... WITHIN AN AREA OF RAIN...STRETCHING FROM MOUND BAYOU IN THE DELTA... SOUTHWARD TO JUST WEST OF NATCHEZ. THE STRONGEST THUNDERSTORMS WERE LOCATED 30 MILES NORTHWEST OF NATCHEZ...JUST EAST OF GREENVILLE...AND NEAR LAKE PROVIDENCE IN LOUISIANA. MOVEMENT OF THE THUNDERSTORMS WAS NORTH AT 30 MILES AN HOUR. RESIDENTS IN THE TORNADO W`ATCH AREA SHOULE BE ON THE LOOKOUT FOR STRONG GUSTY WINDS...HAIL...DEADLY LIGHTNING...AND EVEN THE POSSIBILITY OF ISOLATED TORNADOES. STAY TUNED FOR UPDATES AND POSSIBLE WARNINGS.
Special weather statement, Nov 21, 10:29 PM CST, 20 minutes before
MSZ009-012-220530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1028 PM CST SAT NOV 21 1992 ...TORNADO WATCH NUMBER 914 REMAINS IN EFFECT FOR MOST OF MISSISSIPPI UNTIL 300 AM CST... AT 1025 PM CST MERIDIAN RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS ACROSS SOUTHWEST MISSISSIPPI MOVING TO THE NORTH AT 30 MPH. THE THUNDERSTORMS WERE LOCATED FROM JUST WEST OF VICKSBURG SOUTHEAST TO NEAR TYLERTOWN. THE STORMS HAVE INCHREASED IN INTENSITY DURING THE PAST HOUR.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 10:21 PM CST | Severe Thunderstorm Warning | JAN | Amite, Franklin | 54 min |
| Nov 21, 10:24 PM CST | Tornado Warning | JAN | Pike | 51 min |
| Nov 21, 10:29 PM CST | Tornado Warning | JAN | Walthall | 46 min |
| Nov 21, 10:56 PM CST | Tornado Warning | JAN | Copiah | 34 min |
| Nov 21, 11:13 PM CST | Tornado Warning | JAN | Jefferson Davis, Lawrence | 32 min |
| Nov 21, 11:45 PM CST | Tornado Warning | JAN | Covington, Smith | 30 min |
| Nov 22, 12:12 AM CST | Severe Thunderstorm Warning | JAN | Leake, Scott | 33 min |
| Nov 22, 12:12 AM CST | Severe Thunderstorm Warning | JAN | Rankin | 33 min |
| Nov 22, 12:18 AM CST | Tornado Warning | JAN | Smith | 27 min |
| Nov 22, 12:24 AM CST | Tornado Warning | JAN | Leake | 36 min |
| Nov 22, 12:31 AM CST | Tornado Warning | JAN | Jasper | 59 min |
| Nov 22, 12:43 AM CST | Tornado Warning | JAN | Newton | 62 min |
| Nov 22, 12:58 AM CST | Tornado Warning | JAN | Attala | 32 min |
| Nov 22, 1:20 AM CST | Tornado Warning | JAN | Lauderdale | 55 min |
| Nov 22, 1:35 AM CST | Tornado Warning | JAN | Kemper | 55 min |
| Nov 22, 2:11 AM CST | Tornado Warning | JAN | Newton | 64 min |
| Nov 22, 2:18 AM CST | Tornado Warning | JAN | Lauderdale | 57 min |
| Nov 22, 3:20 AM CST | Tornado Warning | JAN | Lauderdale | 40 min |
| Nov 22, 3:29 AM CST | Tornado Warning | JAN | Choctaw, Sumter | 46 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1992Every severe thunderstorm warning in 1992
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.