Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 7, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Mar 5, 1989, 12:08 AM CST for Itawamba County, Lee County, Monroe County, Mississippi. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Mar 5, 1989, 12:08 AM CST (06:08 UTC)
- Expired
- Mar 5, 1989, 12:45 AM CST
- In force
- 37 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
Counties Itawamba County, MS, Lee County, MS, Monroe 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
Little Rock, AR (KLZK), launched 00:00Z, 6.1 hours before the alert went out and 152 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
- 3581 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 314 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Mar 4, 9:50 PM CST, 2 hours 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 950 PM CST SAT MAR 4 1989 ...FREEZING RAIN ADVISORY AFTER MIDNIGHT TONIGHT AND WINTER STORM WATCH SUNDAY FOR WEST TENNESSEE... A DEVELOPING WINTER STORM SYSTEM IN THE LOWER MISSISSIPPI VALLEY WILL BRING A COMBINATION OF RAIN AND COLD TO WEST TENNESSEE LATE TONIGHT AND SUNDAY. RAIN IS EXPECTED TO CHANGE TO FREEZING RAIN BY SUNDAY MORNING AND CAUSE DANGEROUS ICE ACCUMULATION ON EXPOSED OBJECTS. THE COLD AIR HAS ADVANCED INTO EASTERN ARKANSAS AND WILL PUSH SLOWLY INTO WESTERN TENNESSEE. AT 9 PM CST THE COLD FRONT ASSOCIATED WITH THE STORM SYSTEM HAD JUST MADE ITS WAY INTO EXTREME WEST TENNSSEE. STRONG NORTHERLY WINDS BEHIND THE FRONT WILL FEED COLD AIR INTO WEST TENNESSEE AND TEMPERATURES WILL FALL TO NEAR OR SLIGHTLY BELOW FREEZING BY SUNDAY MORNING. THE DEVELOPING LOW PRESSURE SYSTEM WILL RESULT IN WIDE SPREAD PRECIPITATION HEAVY AT TIMES TONIGHT AND SUNDAY. WITH TEMPERATURES EXPECTED TO BE AROUND FREEZING...THE POTENTIAL EXISTS FOR A MAJOR ICE STORM ACROSS WEST TENNESSEE SUNDAY. ICE ACCUMULATIONS COULD CAUSE DAMAGE TO POWER LINES AND TREES. BE PREPARED FOR POSSIBLE POWER OUTAGES. MAKE SURE YOUR CAR HAS PLENTY OF GAS. MAKE SURE YOU HAVE FOOD WHICH CAN BE EATEN WITHOUT BEING COOKED IN CASE OF POWER OUTAGES. ALSO...MAKE SURE YOUR FLASHLIGHTS ARE IN WORKING ORDER.
Special weather statement, Mar 4, 11:08 PM CST, 1 hour before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1110 PM CST SAT MAR 4 1989 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR A PORTION OF SOUTHWEST TENNESSEE AND MOST OF NORTH MISSISSIPPI TIL 4 AM CST THIS SUNDAY MORNING. THE TORNADO WATCH IS 50 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES WEST NORTHWEST OF GREENWOOD MISSISSIPPI TO 25 MILES NORTHEAST OF MUSCLE SHOALS ALABAMA. VERY STRONG GUSTY WINDS OF 55 MPH OR MORE..LARGE HAIL..DANGEROUS CLOUD TO GROUND LIGHTNING..AND VERY HEAVY RAINS ARE POSSIBLE IN SOUTHWEST TENNESSEE AND NORTH MISSISSIPPI. ALL COUNTIES IN NORTH MISSISSIPPI ARE INCLUDED IN THE WATCH. IN WEST TENNESSEE..DECATOR..FAYETTE..HARDEMAN..AND MCNAIRY COUNTIES ARE INCLUDED. < NUMEROUS HEAVY THUNDERSTORMS HAVE DEVELOPED OVER NORTH MISSISSIPPI WEST TENNESSEE AND EASTERN ARKANSAS DURING LATE SATURDAY EVENING. THIS ACTIVITY WILL LIKELY CONTINUE THROUGH EARLY SUNDAY MORNIN,G. THE POSSIBILITY EXISTS THAT SOME THUNDERSTORMS MAY BECOME SEVERE. STAY TUNED TO THIS STATION FOR FURTHER WEATHER INFORMATION.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 4, 9:00 PM CST | Severe Thunderstorm Warning | MEG | Lafayette | 30 min |
| Mar 4, 9:30 PM CST | Severe Thunderstorm Warning | MEG | Lafayette | 30 min |
| Mar 4, 9:50 PM CST | Severe Thunderstorm Warning | MEG | Clay | 30 min |
| Mar 4, 10:22 PM CST | Flash Flood Warning | MEG | Tippah | 48 min |
| Mar 4, 10:22 PM CST | Severe Thunderstorm Warning | MEG | Tippah | 58 min |
| Mar 4, 11:05 PM CST | Severe Thunderstorm Warning | MEG | Chickasaw | 30 min |
| Mar 4, 11:35 PM CST | Severe Thunderstorm Warning | MEG | Chickasaw, Lee, Monroe | 35 min |
| Mar 5, 12:37 AM CST | Tornado Warning | MEG | Itawamba | 38 min |
| Mar 5, 9:00 AM CST | Severe Thunderstorm Warning | MEG | Lowndes | 30 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1989Every severe thunderstorm warning in 1989
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.