Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 86, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Apr 27, 1990, 4:53 PM CDT for Newton County, Mississippi. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Apr 27, 1990, 4:53 PM CDT (21:53 UTC)
- Expired
- Apr 27, 1990, 5:30 PM CDT
- In force
- 37 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Newton County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.9 hours before the alert went out and 91 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- -5 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 KMEI 272154 SVRMEI MSC101-272230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MERIDIAN MS 453 PM CDT FRI APR 27 1990 THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSISSIPPI ...NEWTON COUNTY AT 450 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF DECATUR MISSISSIPPI MOVING NORTH AT 25 MPH. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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, Apr 27, 2:13 PM CDT, 2 hours 40 minutes before
MSZ009-012-ALZ008-013-272100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 215 PM CDT FRI APR 27 1990 TORNADO WATCH NUMBER 167 CONTINUES IN EFFECT UNTIL 700 PM CDT FOR THE FOLLOWING COUNTIES IN EAST CENTRAL MISSISSIPPI...CLARKE...JASPER...NEWTON ...LAUDERDALE...JONES...WAYNE THE FLOLLOWING COUNTIES IN EXTREME WEST CENTRAL ALABAMA...SUMTET...CHOCTAW. AT 210 PM CDT RADAR INDICATED A LARGE AREA OF STRONG THUNDERSTORM OVER EAST CENTRAL MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE WEST OF A LINE FROM NEAR GREENWOOD TO NEAR HATTIESBURG. THEY WERE MOVING NORTH AT 25 MPH. EVERYONE IN AND CLOSE TO THE WATCH AREA SHOULD REMAIN WEATHER ALERT THROUGH THE AFTERNOON AS THIS IS A DANGEROUS SITUATION. <<
Special weather statement, Apr 27, 2:48 PM CDT, 2 hours 5 minutes before
MSZALL-272030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 240 PM CDT FRI APR 27 1990 ...TORNADO WATCH NO. 167 IN EFFECT UNTIL 7 PM FOR A LARGE PART OF CENTRAL AND SOUTHERN MISSISSIPPI... STRONG THUNDERSTORMS WERE INDICATED OVER CENTRAL AND SOUTH MISSISSIPPI WITH THE STRONGEST STORMS FROM GREENWOOD TO MCCOMB TO MAGEE. A FEW THUNDERSTORMS HAVE BEEN SEVERE WITH A REPORT OF A TORNADO TOUCHDOWN ALONG HIGHWAY 28 NEAR MAGEE. THESE STORMS HAVE PRODUCED DAMAGING WINDS WITH DOWNED TREES AND DAMAGE TO HOUSES. MOVEMENT WAS TO THE NORTH AT ABOUT 25 MPH. STRONG THUNDERSTORMS WILL CONTINUE TO REDEVELOP OVER CENTRAL AND SOUTH MISSISSIPPI TODAY AND MOVE TO THE NORTH. FORMATION OF SEVERE THUNDERSTORMS IS LIKELY THROUGH THE AFTERNOON.
Special weather statement, Apr 27, 3:46 PM CDT, 1 hour 7 minutes before
MSZALL-272130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 340 PM CDT FRI APR 27 1990 ...TORNADO WATCH NO. 167 IN EFFECT FOR A LARGE PART OF CENTRAL AND SOUTH MISSISSIPPI... AT 334 PM CDT...THUNDERSTORMS AND RAIN COVERED MOST OF WEST AND SOUTH MISSISSIPPI AND WERE SCATTERED OVER THE EAST PORTION OF THE STATE. SEVERAL SEVERE THUNDERSTORMS WERE INDICATED ALONG A LINE FROM GREENWOOD TO COLUMBIA. THE STRONGEST THUNDERSTORM WAS LOCATED NEAR THE MADISON- LEAKE COUNTY LINE ABOUT 15 MILES WEST OF CARTHAGE. THIS STORM HAD PRODUCED A TORNADO EARLIER IN THE AFTERNOON AND PRODUCED WIND DAMAGE IN ITS PATH. GENERAL MOVEMENT OF THE STORMS WAS TO THE NORTH AT ABOUT 25 MPH.
Special weather statement, Apr 27, 4:18 PM CDT, 35 minutes before
MSZALL-272200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 410 PM CDT FRI APR 27 1990 ...TORNADO WATCH NO. 170 HAS BEEN ISSUED FOR A LARGE PART OF CENTRAL AND EAST MISSISSIPPI ...TORNADO WATCH NO. 167 FOR CENTRAL AND SOUTH MISSISSIPPI HAS BEEN CANCELLED... THUNDERSTORMS CONTINUED OVER MUCH OF MISSISSIPPI. THE STRONGEST STORMS WERE LOCATED OVER CENTRAL MISSISSIPPI WITH GENERAL MOVEMENT TO THE NORTH. UNSTABLE WEATHER CONDITIONS OVER MISSISSIPPI HAVE BEEN MADE EVEN MORE UNSTABLE DUE TO AN UPPER LEVEL DISTURBANCE IN THE AREA. SEVERAL SEVERE THUNDERSTORMS HAVE DEVELOPED OVER CENTRAL MISSISSIPPI AS THE DISTURBANCE MOVES THROUGH. THE UPPER SYSTEM WILL CONTINUE EASTWAR+D THIS EVENING... INCREASING THE THREAT OF SEVERE WEATHER OVER EASTERN SECTIONS OF THE STATE. HAIL...HEAVY RAIN AND STRONG WINDS ARE LIKELY AND TORNADO DEVELOPMENT IS POSSIBLE.
Special weather statement, Apr 27, 4:21 PM CDT, 32 minutes before
MSZ009-012-ALZ008-013-272300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 415 PM CDT FRI APR 27 1990 TORNADO WATCH NUMBER 170 IS EFFECT UNTIL 1000 PM CDT FOR ALL COUNTIES IN EAST CENTRAL MISSISSIPPI AND ALL COUNTIES OF EXTREME WEST CENTRAL ALABAMA. THIS WATCH REPLACES TORNADO WATCH NUMBER 167. AT 414 PM CDT RADAR INDICATED A LARGE AREA OF RAIN WITH EMBEDDED STRONG THUNDERSTORMS OVER MOST OF EAST CENTRAL MISSISSIPPI. THE STRONGEST STORMS WERE FROM NEAR FOREST TO NEAR MT OLIVE MISSISSIPPI. THEY WERE MOVING NORTH AT 25 MPH. TORNADOES HAVE ALREADY BEEN OBSERVED WITH THIS WEATHER SYSTEM. EVERYONE IN AND CLOSE TO THE WATCH AREA SHOULD REMAIN WEATHER ALERT THROUGH THE0 AFTERNOON AS THIS IS A DANGEROUS SITUATION. <<
Special weather statement, Apr 27, 4:44 PM CDT, 9 minutes before
MSZALL-272230- SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 440 PM CDT FRI APR 27 1990 ...TORNADO WARNING FOR ATTALA AND SIMPSON COUNTIES TIL 445 PM ...FLASH FLOOD WARNING FOR HINDS COUNTY TIL 545 PM ...TORNADO WATCH NO. 170 HAS BEEN ISSUED FOR A LARGE PART OF CENTRAL AND EAST MISSISSIPPI ...TORNADO WATCH NO. 167 FOR CENTRAL AND SOUTH MISSISSIPPI HAS BEEN CANCELLED... SCATTERED THUNDERSTORMS WERE INDICATED OVER NORTHWEST AND SOUTH CENTRAL MISSISSIPPI. STRONG THUNDERSTORMS...A FEW SEVERE...WERE GENERALLY LOCATED IN CENTRAL SECTIONS FROM GREENWOOD TO COLUMBIA. A TORNADO WAS REPORTED NEAR THE ATTALA CARROLL COUNTY BORDER AND WAS MOVING NORTH. THESE STORMS HAVE PRODUCED LARGE HAIL...DAMAGING WINDS...DANGEROUS LIGHTNING AND HEAVY RAIN. GOLF BALL SIZE HAIL AND HEAVY RAIN WAS REPORTED IN EASTERN MADISON COUNTY. SINCE NOON TODAY...3.79 INCHES OF RAIN HAD FALLEN IN DOWNTOWN JACKSON. THE MAIN COLD FRONT WAS LOCATEHD BACK OVER TEXAS AND OKLAHOMA THIS AFTERNOON. HOWEVER...AN UPPER LEVEL SYSTEM MOVED OVER THE LOWER MISSISSIPPI VALLEY TODAY AND SET OFF SEVERE WEATHER IN AN ALREADY UNSTABLE AIR MASS. THE STORMS WILL PROGRESS SLOWLY EASTWARD THIS EVENING.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 2:09 PM CDT | Tornado Warning | JAN | Simpson | 11 min |
| Apr 27, 2:09 PM CDT | Tornado Warning | JAN | Smith | 36 min |
| Apr 27, 2:17 PM CDT | Tornado Warning | JAN | Rankin | 28 min |
| Apr 27, 2:38 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Yazoo | 37 min |
| Apr 27, 2:46 PM CDT | Tornado Warning | JAN | Rankin, Scott | 29 min |
| Apr 27, 3:03 PM CDT | Severe Thunderstorm Warning | JAN | Holmes | 42 min |
| Apr 27, 3:18 PM CDT | Tornado Warning | JAN | Leake, Madison | 42 min |
| Apr 27, 3:18 PM CDT | Tornado Warning | JAN | Scott | 32 min |
| Apr 27, 3:37 PM CDT | Flash Flood Warning | JAN | Hinds | 2 hr |
| Apr 27, 4:02 PM CDT | Tornado Warning | JAN | Attala | 43 min |
| Apr 27, 4:09 PM CDT | Tornado Warning | JAN | Simpson | 36 min |
| Apr 27, 4:46 PM CDT | Tornado Warning | JAN | Carroll | 29 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1990Every severe thunderstorm warning in 1990
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.