Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 53, NWS Memphis, TN

June 15, 1990Itawamba County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Jun 15, 1990, 4:41 PM CDT for Itawamba County, Mississippi. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Jun 15, 1990, 4:41 PM CDT (21:41 UTC)
Expired
Jun 15, 1990, 5:30 PM CDT
In force
49 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Itawamba 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, 9.7 hours before the alert went out and 158 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.

Skew-T log-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 1990-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 1990-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3625 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
-34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUP 152141
SVRTUP
MSC057-152230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUPELO MS
441 PM CDT FRI JUN 15 1990
 
THE NATIONAL WEATHER SERVICE IN TUPELO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST MISSISSIPPI
 
   ...NORTHWESTERN ITAWAMBA COUNTY
 
AT 435 PM CDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
SEVEN MILES NORTHWEST OF FULTON.
 
MOVEMENT WAS SOUTHEAST AT 20 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, Jun 15, 1:07 PM CDT, 3 hours 34 minutes before
TNZ012>15-151900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
110 PM CDT FRI JUN 15 1990

    ...HEAVY THUNDERSTORMS RUMBLING OVER WEST TENNESSEE...

THUNDERSTORMS HAVE FORMED RAPIDLY OVER WEST TENNESSEE SINCE NOON WITH
STRONGEST ACTIVITY OVER THE SOUTHWEST PORTION IN AND AROUND THE CITY OF
MEMPHIS. THESE STORMS ARE PRODUCING TORRENTIAL RAINS WITH RAINFALL RATES
OVER AN INCH AN HOUR. IN ADDITION WINDS HAVE GUSTED NEAR 40 MILES AN
HOUR WITH SOME STORMS.

THESE STORMS WILL CAUSE URBAN FLOODING OVER MANY LOW LYING AREAS. SOME
STREETS WILL BECOME COVERED WITH WATER WITH SMALLER STREAMS OVERFLOWING
THEIR BANKS. PEOPLE NEAR HIGH WATERS SHOULD SEEK HIGHER GROUND QUICKLY.
PERSONS MUST NOT DRIVE THROUGH ROADS UNDER WATER BUT SHOULD SEEK AN
ALTERNATE ROUTE OF TRAVEL.

THUNDERSTORMS WILL CONTINUE OVER MUCH OF WEST TENNESSEE THE REST OF THE
AFTERNOON AND EARLY THIS EVENING. THUS PERSONS SHOULD STAY ALERT FOR
STORMY WEATHER E*SPECIALLY WHEN GOING OUT OF DOORS.
Special weather statement, Jun 15, 1:45 PM CDT, 2 hours 56 minutes before
MSZ004-005-007-151945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
145 PM CDT FRI JUN 15 1990

AT 130 PM CDT NATIONAL WEATHER SERVICE RADAR HERE AT TUPELO SHOWED
THUNDERSTORMS DEVELOPING RAPIDLY ACROSS NORTHEAST MISSISSIPPI. THESE
STORMS ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON INTO THE EARLY
EVENING HOURS.

SOME OF THESE STORMS WILL PRODUCE VERY HEAVY RAIN...STRONG GUSTY
WIND...FREQUENT LIGHTNING STRIKES AND POSSIBLE SMALL HAIL AS THEY
DEVELOPE AND MOVE SOUTHEAST ACROSS NORTHEAST MISSISSIPPI THIS
AFTERNOON AND EARLY EVENING.

YOU SHOULD KEEP ALERT AND IF THREATENING WEATHER APPROACHES BE
PREPARED TO SEEK A SAFE SHELTER. PONDING OF WATER ON ROAD AND STREET
WILL ALSO OCCUR WITH THESE STORMS. IF YOU ARE DRIVING IN NORTHEAST
MISSISSIPPI THIS AFTERNOON YOU ARE URGED TO USE EXTRA CAUTION IN THE
VICINITY OF THESE STORMS.

STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.

NNNN
Special weather statement, Jun 15, 2:42 PM CDT, 1 hour 59 minutes before
MSZ004-005-007-152045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
242 PM CDT FRI JUN 15 1990

AT 230 PM CDT NATIONAL WEATHER SERVICE RADAR SHOWED STRONG
THUNDERSTORMS IN LAFAYETTE COUNTY. THE THUNDERSTORMS WERE LOCATED 7
MILES NORTHWEST AND 10 MILES SOUTHEAST OF OXFORD. THESE STORMS WILL
PRODUCE VERY HEAVY RAIN...STRONG GUSTY WIND...FREQUENT LIGHTNING
STRIKES AND POSSIBLE SMALL HAIL AS THEY MOVE ACROSS LAFAYETTE COUNTY
DURING THE NEXT HOUR. YOU SHOULD STAY ALERT AND BE PREPARED TO SEEK A
SAFE SHELTER IF THREATENING WEATHER APPROACHES.

OTHER THUNDERSTORM PRODUCING VERY HEAVY RAIN WERE SCATTERED ACROSS
MUCH OF NORTHEAST MISSISSIPPI...NORTH ALABAMA AND WEST TENNESSEE.
THESE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

SOME OF THESE STORMS WILL CAUSE PONDING OF WATER ON ROADSWAYS AND
STREETS. IF YOU ARE DRIVING IN NORTHEAST MISSISSIPPI THIS AFTERNOON
YOU ARE URGED TO USE EXTRA CAUTION IN THE VICINITY OF THEShE STORMS.

STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.

NNNN
Special weather statement, Jun 15, 3:40 PM CDT, 1 hour 1 minute before
MSZ004-005-007-152145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
340 PM CDT FRI JUN 15 1990

AT 330 PM CDT NATIONAL WEATHER SERVICE RADAR SHOWED STRONG
THUNDERSTORMS MOVING THROUGH ALCORN COUNTY OF NORTHEAST MISSISSIPPI.
THESE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR. THESE STORMS
WILL PRODUCE STRONG GUSTY WIND IN THE VICINITY OF 40 MPH...FREQUENT
LIGHTNING STRIKES...VERY HEAVY RAIN AND POSSIBLE HAIL AS THEY MOVE
ACROSS ALCORN...TISHOMINGO AND NORTHERN PRENTISS COUNTIES DURING THE
NEXT ONE TO TWO HOURS. YOU SHOULD STAY ALERT AND BE PREPARED TO SEEK A
SAFE SHELTER IF THREATENING WEATHER APPROACHES.

THUNDERSTORMS PRODUCING VERY HEAVY RAIN CONTINUED TO BE SCATTERED
ACROSS MUCH OF NORTHEAST MISSISSIPPI...NORTH ALABAMA AND WEST
TENNESSEE. THESE STORMS WERE MOVING SOUTHEAST AROUND 25 MPH.

THESE STORMS WILL ALSO PRODUCE PONDING OF WATER ON ROADWAYS AND
STREETS. IF YOU ARE DRIVING IN NORTHEAST MISSISSIPPI THIS AFTERNOON
YOU ARE URGED TO USE EXTRA CAUTION IN THE VICINITY OF THESE STORMS.

STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.

NNNN

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 7:21 PM CDTSevere Thunderstorm WarningMEGTippah54 min
Jun 14, 7:54 PM CDTSevere Thunderstorm WarningMEGUnion51 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.