Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 23, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at May 19, 1990, 3:07 PM CDT for Lafayette County, Mississippi. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- May 19, 1990, 3:07 PM CDT (20:07 UTC)
- Expired
- May 19, 1990, 4:15 PM CDT
- In force
- 68 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.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 8.1 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
- 3610 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 232 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, May 19, 2:50 PM CDT, 17 minutes before
MSZ004-005-007-192045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 250 PM CDT SAT MAY 19 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 281 IN EFFECT FOR NORTH MISSISSIPPI UNTIL 9 PM CDT... AT 230 PM CDT WEATHER SERVICE RADAR DID NOT INDICATE ANY THUNDERSTORMS OVER NORTH MISSISSIPPI AT THIS TIME...HOWEVER RADAR DID SHOW SCATTERED CLUSTERS OF VERY STRONG THUNDERSTORMS OVER SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA. THE ACTIVITY EXTENDED FROM MONROE IN NORTHEAST LOUISIANA TO MONTICELLO IN SOUTHEAST ARKANSAS. MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR. PEOPLE IN NORTH MISSISSIPPI NEED TO BE WEATHER ALERT AND TAKE MEASURES TO PREPARE FOR THE THREATENING WEATHER THIS AFTERNOON AND EVENING. NNNN
Special weather statement, May 19, 2:55 PM CDT, 12 minutes before
TNZ014-015-ARZ012-013-192030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 245 PM CDT SAT MAY 19 1990 ...STRONG THUNDERSTORMS MOVING INTO CRAIGHEAD COUNTY ARKANSAS... AT 240 PM RADAR SHOWED STRONG THUNDERSTORMS MOVING INTO WEST CRAIGHEAD COUNTY ARKANSAS. THESE STORMS MAY HAVE DESTRUCTIVE WINDS...HAIL AND HEAVY RAINFALL. ITS CURRENT MOVEMENT IS TO THE EAST AT 30 MILES AN HOUR MEANING IT WILL BE IN THE JONESBORO VICINITY BY 330 PM. PERSONS LIVING IN AND AROUND THE JONESBORO AREA SHOULD BE ON THE ALERT FOR DANGEROUS WEATHER AND TAKE IMMEDIATE SHELTER WHEN STORMS APPROACH. THE STORMS MAY ALSO CAUSE STREET FLOODING DUE TO HEAVY RAINFALLS. DRIVERS SHOULD THEREFORE BE ALERT FOR WATER COVERED ROADS.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 4:00 PM CDT | Severe Thunderstorm Warning | MEG | Chickasaw, Monroe | 60 min |
| May 19, 6:08 PM CDT | Tornado Warning | MEG | DeSoto | 37 min |
| May 19, 3:17 PM CDT | Severe Thunderstorm Warning | MEG | Craighead, Poinsett | 43 min |
| May 19, 4:02 PM CDT | Severe Thunderstorm Warning | MEG | Craighead, Mississippi, Poinsett | 58 min |
| May 19, 4:37 PM CDT | Tornado Warning | MEG | Lauderdale, Tipton | 68 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.