Alert archive / Mississippi / Tornado Warnings in 1991
Tornado Warning 9, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Apr 19, 1991, 2:34 PM CDT for Sunflower County, Washington County, Mississippi. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Apr 19, 1991, 2:34 PM CDT (19:34 UTC)
- Expired
- Apr 19, 1991, 3:00 PM CDT
- In force
- 26 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Sunflower County, MS, Washington County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.6 hours before the alert went out and 140 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
- 49 J/kg
- Mixed-layer CIN
- -222 J/kg
- Mixed-layer LCL
- 923 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 56 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 191934 TORJAN MSC133-151-192000- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 234 PM CDT FRI APR 19 1991 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 300 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST MISSISSIPPI ...SOUTHERN SUNFLOWER COUNTY...EASTERN WASHINGTON COUNTY AT 230 PM CDT EMERGENCY OFFICIALS IN BOLIVAR AND WASHINGTON COUNTIES CONFIRM A TORNADO JUST TO THE EAST OF LELAND MOVING TOWARD THE SOUTH SOUTHWEST AT 25 MPH. RADAR ALSO INDICATES A SEVERE THUNDERSTORM EXTENDING FROM LELAND EASTWARD ACROSS INDIANOLA. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS IN AN INTERIOR ROOM ON THE LOWEST FLOOR. GET UNDER STURDY FURNITURE. USE PILLOWS OR CUSHIONS TO COVER YOUR HEAD. < DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. IF YOU ARE IN THE PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IFT NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT. <
What forecasters said that day
The local office's own words before this tornado 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, Apr 19, 9:04 AM CDT, 5 hours 30 minutes before
MSZ009-012-ALZ008-013-191500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 904 AM CDT FRI APR 19 1991 AT 855 AM CDT MERIDIAN RADAR INDICATED A LARGE AREA OF RAIN WITH SCATTERED EMBEDDED THUNDERSTORMS COVERING A LARGE PART OF NORTH CENTRAL...CENTRAL AND EAST CENTRAL MISSISSIPPI AND MOST OF EXTREME WEST CENTRAL ALABAMA. THE RAIN AND THUNDERSTORMS WERE LOCATED WITHIN A 100 MILE WIDE AREA EXTENDING FROM NEAR BATESVILLE IN NORTH CENTRAL MISSISSIPPI SOUTHEAST THROUGH MERIDIAN TO NEAR GILBERTOWN IN WEST CENTRAL ALABAMA. SOME OF THE THUNDERSTORMS HAVE BEEN PRODUCING VERY HEAVY RAINFALL...SMALL HAIL AND GUSTY WINDS. THE RAIN AND THUNDERSTORMS WERE MOVING TO THE EAST AT 25 MPH.
Special weather statement, Apr 19, 12:22 PM CDT, 2 hours 12 minutes before
MSZALL-191330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1220 PM CST FRI APR 19 1991 A COLD FRONT HAS ENTERED NORTHWEST MISSISSIPPI EARLY THIS AFTERNOON. THUNDERSTORMS WERE BEGINNING TO DEVELOP VERY RAPIDLY ALONG THE COLD FRONT. AT 1215 THE STRONGER STORMS WERE FROM OXFORD TO CLEVELAND MISSISSIPPI AND WERE MOVING TO THE EAST AT 25 MPH. THUNDERSTORMS ARE EXPECTED TO DEVELOP ALL ALONG THE COLD FRONT THIS AFTERNOON AND INTO TONIGHT AS THE FRONT TRACKS TO THE SOUTHEAST. SOME OF THE THUNDERSTORMS COULD BECOME SEVERE AND PRODUCE STRONG GUSTY SURFACE WINDS...HAIL...AND POSSIBLE FLASH FLOODING OF LOW LYING AREAS. FLOODING ESPECIALLY IN YAZOO AND MADISON COUNTIES DURING THE PASSAGE OF THE HEAVIER RAINS. PERSONS IN CENTRAL MISSISSIPPI NEED TO BE WEATHER ALERT AND TAKE PROPER ACTION WHEN THREATENING WEATHER APPROACHES. LISTEN TO NOAA WEATHER RADIO OR THE LOCAL NEWS MEDIA FOR ANY FURTHER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Apr 19, 12:23 PM CDT, 2 hours 11 minutes before
MSZALL-191330- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE JACKSON MS 1220 PM CST FRI APR 19 1991 A COLD FRONT HAS ENTERED NORTHWEST MISSISSIPPI EARLY THIS AFTERNOON. THUNDERSTORMS WERE BEGINNING TO DEVELOP VERY RAPIDLY ALONG THE COLD FRONT. AT 1215 THE STRONGER STORMS WERE FROM OXFORD TO CLEVELAND MISSISSIPPI AND WERE MOVING TO THE EAST AT 25 MPH. THUNDERSTORMS ARE EXPECTED TO DEVELOP ALL ALONG THE COLD FRONT THIS AFTERNOON AND INTO TONIGHT AS THE FRONT TRACKS TO THE SOUTHEAST. SOME OF THE THUNDERSTORMS COULD BECOME SEVERE AND PRODUCE STRONG GUSTY SURFACE WINDS...HAIL...AND POSSIBLE FLASH FLOODING OF LOW LYING AREAS.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 7:48 PM CDT | Severe Thunderstorm Warning | JAN | Wilkinson | 42 min |
| Apr 19, 4:12 AM CDT | Severe Thunderstorm Warning | JAN | Yazoo | 48 min |
| Apr 19, 6:15 AM CDT | Severe Thunderstorm Warning | JAN | Neshoba | 60 min |
| Apr 19, 6:48 AM CDT | Severe Thunderstorm Warning | JAN | Smith | 42 min |
| Apr 19, 7:06 AM CDT | Severe Thunderstorm Warning | JAN | Newton | 69 min |
| Apr 19, 1:11 PM CDT | Severe Thunderstorm Warning | JAN | Leflore | 34 min |
| Apr 19, 1:24 PM CDT | Tornado Warning | JAN | Leflore | 36 min |
| Apr 19, 1:31 PM CDT | Severe Thunderstorm Warning | JAN | Warren | 44 min |
| Apr 19, 1:42 PM CDT | Severe Thunderstorm Warning | JAN | Marion, Walthall | 33 min |
| Apr 19, 1:56 PM CDT | Severe Thunderstorm Warning | JAN | Leflore, Sunflower | 49 min |
| Apr 19, 2:01 PM CDT | Severe Thunderstorm Warning | JAN | Jefferson Davis, Lawrence | 44 min |
| Apr 19, 2:16 PM CDT | Severe Thunderstorm Warning | JAN | Marion | 29 min |
| Apr 19, 2:59 PM CDT | Tornado Warning | JAN | Washington | 46 min |
| Apr 19, 3:02 PM CDT | Tornado Warning | JAN | Carroll | 43 min |
| Apr 19, 3:15 PM CDT | Tornado Warning | JAN | Humphreys | 45 min |
| Apr 19, 3:49 PM CDT | Severe Thunderstorm Warning | JAN | Humphreys, Yazoo | 41 min |
| Apr 19, 4:04 PM CDT | Severe Thunderstorm Warning | JAN | Copiah, Hinds | 26 min |
| Apr 19, 4:21 PM CDT | Severe Thunderstorm Warning | JAN | Rankin, Simpson | 39 min |
| Apr 19, 4:30 PM CDT | Severe Thunderstorm Warning | JAN | Copiah, Hinds | 30 min |
| Apr 19, 4:33 PM CDT | Severe Thunderstorm Warning | JAN | Holmes | 27 min |
| Apr 19, 4:38 PM CDT | Severe Thunderstorm Warning | JAN | Yazoo | 37 min |
| Apr 19, 4:51 PM CDT | Tornado Warning | JAN | Holmes | 38 min |
| Apr 19, 4:51 PM CDT | Tornado Warning | JAN | Madison | 54 min |
| Apr 19, 4:54 PM CDT | Severe Thunderstorm Warning | JAN | Lincoln | 35 min |
| Apr 19, 5:47 PM CDT | Tornado Warning | JAN | Leake | 28 min |
| Apr 19, 5:49 PM CDT | Tornado Warning | JAN | Scott | 41 min |
| Apr 19, 5:58 PM CDT | Severe Thunderstorm Warning | JAN | Newton | 62 min |
| Apr 19, 6:14 PM CDT | Severe Thunderstorm Warning | JAN | Lincoln | 31 min |
| Apr 19, 6:22 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 68 min |
| Apr 19, 6:23 PM CDT | Severe Thunderstorm Warning | JAN | Claiborne | 52 min |
| Apr 19, 6:41 PM CDT | Severe Thunderstorm Warning | JAN | Pike, Walthall | 49 min |
Nearby
Tornado Warnings in Mississippi, 1991Every tornado warning in 1991Tornadoes in 1991
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.