Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 48, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jun 9, 1990, 5:31 PM CDT for Lafayette County, Mississippi. It was in force for 44 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
- Jun 9, 1990, 5:31 PM CDT (22:31 UTC)
- Expired
- Jun 9, 1990, 6:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
County Lafayette County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 9, 6:00 PM CDT | Thunderstorm Wind 0 | Lafayette, 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
Little Rock, AR (KLZK), launched 12:00Z, 10.5 hours before the alert went out and 68 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
- 3603 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 94 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 KTUP 092231 SVRTUP MSC071-092315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUPELO MS 531 PM CDT SAT JUN 9 1990 THE NATIONAL WEATHER SERVICE IN TUPELO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL MISSISSIPPI ...LAFAYETTE COUNTY AT 530 PM CDT NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM 7 MILES WEST OF OXFORD. THIS STORM WAS MOVING EAST AT 25 MILES AN HOUR. 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. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. NNNN
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, Jun 9, 1:37 PM CDT, 3 hours 54 minutes before
MSZ004-005-092045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 137 PM CDT SAT JUN 9 1990 AT 130 PM CDT NATIONAL WEATHER SERVICE SHOWED THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAIN DEVELOPING ACROSS NORTH MISSISSIPPI. THUNDERSTORMS ARE EXPECTED TO CONTINUE DEVELOPING AND MOVING ACROSS NORTHEAST MISSISSIPPI THIS AFTERNOON. SOME OF THESE STORMS WILL BE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WIND...FREQUENT LIGHNING STRIKES AND POSSIBLE HAIL. YOU SHOULD STAY ALERT AND BE PREPARED TO SEEK A SAFE SHELTER IF THREATENING WEATHER APPROACHES. ALSO SOME OF THESE STORMS WILL CAUSE PONDING OF WATER ON STREETS AND ROADWAYS. IF YOU ARE DRIVING IN NORTHEAST MISSISSIPPI THIS AFTERNOON YOU ARE URGED TO USE EXTRA CAUTION IN THE VICINTIY OF THUNDERSTORMS. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION. NNNN
Special weather statement, Jun 9, 2:51 PM CDT, 2 hours 40 minutes before
MSZ004-005-092100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 251 PM CDT SAT JUN 9 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 428 IN EFFECT FOR MUCH OF NORTH MISSISSIPPI UNTIL 900 PM CDT THIS SATURDAY AFTERNOO AND EVENING. AT 245 PM CDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS TO BE SCATTERED OVER NORTH MISSISSIPPI WITH THE STRONGEST STORMS MOVING ACROSS NORTHERN BENTON COUNTY. ANOTHER AREA OF STRONG THUNDERSTORMS EXTENDED ACROSS NORTHEAST ARKANSAS INTO NORTHWEST TENNESSEE. THIS AREA WAS MOVING SOUTHEAST WHILE INDIVIDUAL STORMS WERE MOVING EAST AT 25 MILES AN HOUR. THESE STORMS THIS AFTERNOON AND EARLY EVENING WILL BE CAPABLE OF PRODUCING VERY HEAVY RAIN...VERY STRONG GUSTY WINDS...FREQUENT LIGHTNING STRIKES AND POSSIBLE LARGE HAIL AS THEY MOVE ACROSS NORTHEAST MISSISSIPPI. YOU ARE URGED TO STAY ALERT AND BE PREPARED TO SEEK A SAFE SHELTER IF THREATENING WEATHER APPROACHES. THESE STORMS WILL ALSO CAUSE PONDING OF WATER ON STREET AND ROADWAYS. IF YOU ARE DRIVING IN NORTHEAST MISSISSIPPI THIS AFTERNOON YOU SHOULD USE EXTRA CAUTION IN THE VICINITY OF THUNDERSTORMS. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION. NNNN
Special weather statement, Jun 9, 3:47 PM CDT, 1 hour 44 minutes before
MSZ004-005-092145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 347 PM CDT SAT JUN 9 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 428 REMAINS IN EFFECT FOR MUCH OF NORTH MISSISSIPPI UNTIL 900 PM CDT THIS SATURDAY EVENING... AT 340 PM CDT NATIONAL WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS MOVING ACROSS SOUTHEAST PRENTISS...SOUTHERN TISHOMINGO AND NORTHEAST ITAWAMBA COUNTIES OF NORTHEAST MISSISSIPPI. THESE STORMS WERE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WIND...FREQUENT LIGHTNING AND LARGE HAIL. YOU SHOULD STAY ALERT AND BE PREPARED TO SEEK A SAFE SHELTER IF THREATENING WEATHER APPROACHES. A LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM NEAR MARIANNA ARKANSAS ACROSS EXTREME NORTHWEST MISSISSIPPI AND SOUTHWEST TENNESSEE TO BROWNSVILLE TENNESSEE IN HAYWOOD COUNTY. THIS LINE WAS DRIFTING SLOWLY SOUTHEAST WHILE INDIVIDUAL STORMS WERE MOVING EAST AT 25 MILES AN HOUR. THIS LINE OF THUNDERSTORMS WILL BE MOVING INTO NORTHEAST MISSISSIPPI BETWEEN 500 PM AND 700 PM THIS SATURDAY AFTERNOON. THESE STORMS WILL ALSO CAUSE PONDING OF WATER ON STREETS AND ROADWAYS. IF YOU ARE DRIVING IN NORTHEAST MISSISSIPPI THIS AFTERNOON YOU ARE URGED TO USE EXTkRA CAUTION IN THE VICINITY OF THUNDERSTORMS. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION. NNNN
Special weather statement, Jun 9, 4:48 PM CDT, 43 minutes before
MSZ004-005-092245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 448 PM CDT SAT JUN 9 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 428 REMAINS IN EFFECT FOR MUCH OF NORTH MISSISSIPPI UNTIL 900 PM CDT THIS SATURDAY EVENING... AT 435 PM CDT NATIONAL WEATHER SERVICE RADAR SHOW A LINE OF VERY STRONG THUNDERSTORMS EXTENDING FROM 10 MILES NORTHWEST OF WEST HELENA ARKANSAS TO JUST NORTHWEST OF HOLLY SPRINGS MISSISSIPPI. THIS LINE OF THUNDERSTORMS WAS DRIFTING SLOWLY SOUTHEAST WHILE INDIVIDUAL STORMS WERE MOVING EAST AT 25 MILES AN HOUR. THIS LINE OF THUNDERSTORMS WILL MOVE INTO TIPPAH AND LAFAYETTE COUNTIES OF NORTH MISSISSIPPI BY 530 PM CDT THIS SATURDAY AFTERNOON. THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN...DAMAGING WINDS...LARGE HAIL AND FREQUENT LIGHTNING STRIKES. YOU ARE URGE TO STAY ALERT AND BE PREPARED TO SEEK A SAFE SHELTER IF THREATENING WEATHER APPROACHES. FOR PERSON BOATING ON SARDIS LAKE...YOU SHOULD GET OFF THE LAKE NOW. THESE STORMS WILL ALSO CAUSE PONDING OF WATER ON STREETS AND ROADWAYS. IF YOU ARE DRIVING IN NORTHEAST MISSISSIPPI THIS AFTERNOON YOU ARE URGED TO USE EXTRA CAUTION IN THE VICINITY OF THESE THUNDERSTORMS. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFROMATION. NNNN
Special weather statement, Jun 9, 5:21 PM CDT, 10 minutes before
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
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 4:20 PM CDT | Severe Thunderstorm Warning | MEG | Tunica | 25 min |
| Jun 9, 4:31 PM CDT | Severe Thunderstorm Warning | MEG | Marshall | 29 min |
| Jun 9, 4:42 PM CDT | Severe Thunderstorm Warning | MEG | DeSoto, Tate | 33 min |
| Jun 9, 6:17 PM CDT | Flash Flood Warning | MEG | Coahoma | 118 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.