Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 69, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jul 22, 1990, 6:03 PM CDT for Clay County, Monroe County, Mississippi. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Jul 22, 1990, 6:03 PM CDT (23:03 UTC)
- Expired
- Jul 22, 1990, 6:46 PM CDT
- In force
- 43 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
Counties Clay 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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 11.1 hours before the alert went out and 165 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
- 827 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 691 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 57 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 222303 SVRTUP MSC025-095-230000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUPELO MS 603 PM CDT SUN JUL 22 1990 THE NATIONAL WEATHER SERVICE IN TUPELO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST MISSISSIPPI ...EAST CENTRAL CLAY COUNTY...SOUTHERN MONROE COUNTY AT 559 PM CDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER ABBOT MISSISSIPPI IN EAST CENTRAL CLAY COUNTY. MOVEMENT WAS EAST AT 25 MILES AN HOUR. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. 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, Jul 22, 1:41 PM CDT, 4 hours 22 minutes before
MSZ-004-005-007-222030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 140 PM CDT SUN JULY 22 1990 AT 130 PM CDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS DEVELOPING RAPIDLY ACROSS NORTHEAST MISSISSIPPI. THESE STORMS WERE DEVELOPING IN WARM...MOIST AND UNSTABLE AIR IN ADVANCE OF A COOL FRONT LOCATED FROM SOUTHEAST MISSOURI ACROSS ARKANSAS TO NORTHEAST TEXAS. SOME OF THESE STORMS THIS AFTERNOON ARE EXPECTED TO BECOME VERY STRONG...PRODUCING STRONG GUSTY WIND...FREQUENT LIGHTNING STRIKES...BRIEF VERY HEAVY RAIN AND POSSIBLE HAIL. YOU SHOULD STAY ABREAST OF THIS DEVELOPING WEATHER SITUATION AND BE PREPARED TO SEEK A SAFE SHELTER IF A WARNING IS ISSUED. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Jul 22, 2:25 PM CDT, 3 hours 38 minutes before
MSZ-004-005-222030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 225 PM CDT SUN JULY 22 1990 AT 215 PM CDT NATIONAL WEATHER SERVICE RADAR SHOWED A STRONG THUNDERSTORM 4 MILES SOUTH OF PONTOTOC. THIS STORM WAS MOVING EAST AT 25 MPH AND WILL MOVE ACROSS SOUTHEAST PONTOTOC COUNTY DURING THE NEXT HOUR AND INTO SOUTHEAST LEE COUNTY. THIS STORM WILL PRODUCE STRONG GUSTY WIND...FREQUENT LIGHTNING STRIKES...VERY HEAVY RAIN AND POSSIBLE HAIL. IF YOU ARE IN THE PATH OF THIS STORM YOU SHOULD BE PREPARED TO SEEK A SAFE SHELTER IF IT SHOULD BECOME NECESSARY. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.
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.