Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 30, NWS Memphis, TN

May 19, 1990Crittenden County, Mississippi County, Arkansas; Shelby County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at May 19, 1990, 11:43 PM CDT for Crittenden County, Mississippi County, Arkansas; Shelby County, Tennessee. It was in force for 32 min. 2 reports 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
May 19, 1990, 11:43 PM CDT (04:43 UTC)
Expired
May 20, 1990, 12:15 AM CDT
In force
32 min
Issued by
NWS Memphis, TN
Area
Whole counties

Counties Crittenden County, AR, Mississippi County, AR, Shelby County, TN

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

TimeReportWhereRemark
May 19, 11:50 PM CDTThunderstorm Wind 0Mississippi, AR
May 19, 11:52 PM CDTHail 0.75Crittenden, AR

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 00:00Z, 4.7 hours before the alert went out and 63 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 00:00Z on 1990-05-20Temperature 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 00:00Z on 1990-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
3611 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
176 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 KMEM 200445
SVRMEM
ARC035-093-TNC157-200515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1143 PM CDT SAT MAY 19 1990
 
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST ARKANSAS
 
   ...CRITTENDEN COUNTY...SOUTHERN MISSISSIPPI COUNTY
 
 
IN WEST TENNESSEE
 
   ...WESTERN SHELBY COUNTY
 
AT 1140 PM WEATHER RADAR LOCATED A CLUSTER OF SEVERE THUNDERSTORMS
MOVING EAST ACROSS THE SOUTH PART OF MISSISSIPPI COUNTY ARKANSAS ...
CENTRAL AND EAST CRITTENDEN COUNTY ARKANSAS ... AND INTO WESTERN
SHELBY COUNTY TENNESSEE. THESE THUNDERSTORMS HAVE PRODUCED MARBLE SIZE
HAIL AND 50 MPH OVER BOTH MISSISSIPPI AND CRITTENDEN COUNTIES AS THEY
MOVED OVER BETWEEN 1135 AND 1140 PM.
 
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.

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, 6:50 PM CDT, 4 hours 53 minutes before
MSZ004-180045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
650 PM CDT THU MAY 17 1990

...STRONG THUNDERSTORMS DEVEOPING IN NORTH MISSISSIPPI...

AT 635 PM NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH
VERY HEAVY RAINS IN PARTS OF NORTH MISSISSIPPI. THE HEAVIEST ACTIVITY
WERE IN LAFAYETTE AND BENTON COUNTIES. IN ADDITION...AT 600 PM MEMPHIS
NATIONAL WEATHER SERVICE ISSUED A TORNADO WARNING FOR DESOTO
COUNTY...JUST SOUTH OF MEMPHIS.

THESE THUNDERSTORMS ARE MOVING TO THE EAST-NORTHEAST AT 30 MPH.

THESE THUNDERSTORMS HAVE THE POTENTIAL OF PRODUCING HEAVY
RAIN...FREQUENT LIGHTNING...STRONG GUSTY WINDS...AND SMALL HAIL.
BE WEATHER ALERT AND SEEK SHELTER SHOULD THREATENING WEATHER APPROACH.

NNNN
Special weather statement, May 19, 7:56 PM CDT, 3 hours 47 minutes before
MSC003-180200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
756 PM CDT THU MAY 17 1990

...STRONG THUNDERSTORMS PERSIST OVER NORTH MISSISSIPPI...

AT 735 PM NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH
VERY HEAVY RAIN IN NORTH MISSISSIPPI. A BAND OF THUNDERSTORMS STRECHED
FROM CENTRAL PONTOTOC COUNTY TO NEAR CORINTH.

THESE CELLS ARE MOVING TO THE EAST NORTHEAST AT 25 MPH.

THESE THUNDERSTORMS HAVE THE POTENT*IAL OF PRODUCING HEAVY
RAIN...FREQUENT LIGHTNING...STRONG GUSTY WIND...AND SMALL HAIL.
BE WEATHER ALERT AND SEEK SHELTER SHOULD THREATENING WEATHER APPROACH.

NNNN
Special weather statement, May 19, 8:14 PM CDT, 3 hours 29 minutes before
TNZ012-013-014-015-ARZ012-013-014-200215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
812 PM CDT SAT MAY 19 1990

...THUNDERSTORMS CONTINUING OVER SOUTHWEST TENNESSEE AND NORTHWEST
ARKANSAS...

AT 8 PM THUNDERSTORMS WITH HEAV RAIN...SMALL HAIL AND GUSTY WINDS
CONTINUED ALONG THE TENNESSEE BORDER OVER AND AROUND THE TOWNS OF
MOSCOW...BOLIVAR AND SAVANNAH TENNESSEE AS WELL AS HOLLY SPRINGS AND
ASHLAND MISSISSIPPI. THESE AREAS HAVE EXPERIENCED MODERATE TO HEAVY
RAINFALL DURING THE PAST HOUR WITH STREET FLOODING LIKELY IN LOW LYING
REGIONS.

THUNDERSTORMS WITH HEAVY RAINS HAVE ALSO DEVELOPED OVER NORTHEAST
ARKANSAS NEAR FORREST CITY AND WALDENBERG. THESE STORMS WERE MOVING
NORTHEAST AT 40 MILES AN HOUR. THIS SECOND AREA OF STORMS WILL
CONTINUE TO PUSH INTO EXTREME EAST ARKANSAS AND WEST TENNESSEE AND
PRODUCE HEAVY RAINFALLS IN SECTIONS WHERE THE GROUND IS SATURATED FROM
PREVIOUS RAINS.

PERSONS IN WEST TENNESSE+E AND EAST ARKANSAS SHOULD THEREFORE KEEP
INFORMED OF THE LATEST WEATHER INFORMATION SINCE MORE THUNDERSTORMS
ARE EXPECTED LATER THIS EVENING.
Special weather statement, May 19, 9:21 PM CDT, 2 hours 22 minutes before
TNZ012-013-014-015-MSZ001-004-ARZ012-013-014-200315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
918 PM CDT SAT MAY 19 1990

...THUNDERSTORMS REFORMING OVER NORTHEAST ARKANSAS...

AT 9 PM THUNDERSTORMS WITH HEAVY RAINS...SMALL HAIL AND GUSTY WINDS WE
ONCE AGAIN DEVELOPING IN NORTHEAST ARKANSAS. HEAVIEST ACTIVITY WAS
MOVING INTO WESTERN POINSETT AND WESTERN CROSS COUNTIES NEAR
THE TOWNS OF FAIR OAKS AND WALDENBURG. ANOTHER AREA OF INTENSE
THUNDERSTORMS WAS IN CRITTENDON COUNTY ARKANSAS NEAR WEST MEMPHIS.
THE STORMS WERE MOVING SLIGHTLY NORTH OF EAST AT ABOUT 35 MILES AN
HOUR.

THE THUNDERSTORMS WERE DEVELOPING IN PARTS OF NORTHEAST ARKANSAS WHICH
EARLIER EXPERIENCED HEAVY RAINFALLS. WITH THE GROUND ALREADY SATURATED
THIS NEW AREA OF DOWNPOURS MAY CAUSE FLOODING OF LOW LYING AREAS
AS WELL AS SMALLER RIVERS AND STREAMS. THUS PERSONS MUST BE ALERT FOR
RISING WATERS AND SHOULD NOT CROSS WATER COVERED ROADS EITHER BY MOTOR
VEHICLE OR BY FOOT.

THUNDERSTORMS WILL ALSO PUSH INTO WEST TENNESSEE ONCE
AGAIN LATER TONIGHT INCLUDING THE MEMPHIS METROPOLITAN AREA. BESIDES
HEAVY RANFALL AND URBAN FLOODING...WEST TENNESSEE AND NORTHEAST
ARKANSAS MAY SEE ANOTHER ROUND OF HAIL AND DAMAGING WINDS. PERSONS
MUST CONTINUE TO KEEP INFORMED OF WEATHER CONDITIONS AND BE PREPARED
TO TAKE QUICK ACTION WHEN DANGEROUS WEATHER AAPPROACHES.
Special weather statement, May 19, 11:32 PM CDT, 11 minutes before
MSZ004-180530-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE TUPELO MS
1132 PM CDT THU MAY 17 1990

...STRONG THUNDERSTORMS APPROACHHING NORTHWESTERN MISSISSIPPI...

AT 1115 PM NATIONAL SERVICE RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS WITH VERY HEAVY RAIN IN EASTERN ARKANSAS...JUST AS AN
AREA OF STRONG THUNDERSTORMS HAS EXITED NORTHEAST MISSISSIPPI TO
CONTINUE THEIR JOURNEY INTO NORTHWEST ALABAMA. THIS NEW LINE OF
THUNDERSTORMS IS ROUGHLY PARALLEL TO THE MISSISSIPPI RIVER AND WILL
SOON CROSS THE RIVER INTO NORTHWEST MISSISSIPPI AND WEST TENNESSEE.

THESE THUNDERSTORM CELLS ARE MOVING TO THE EAST NORTHEAST AT 25 MPH.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WEST TENNESSEE AND NORTHW
MISSISSIPPI UNTIL 400 AM. THIS MEANS THAT THESE THUNDERSTORMS HAVE THE
POTENTIAL OF PRODUCING VERY HEAVY RAINS...DANGEROUS LIGHTNING...STRONG
GUSTY WINDS...LARGE HAIL...AND TORNADOES.

PERSONS LIVING IN OR NEAR THE .WATCH AREA SHOULD BE WEATHER ALERT FOR
CHANGING CONDITIONS AND SHOULD THREATENING WEATHER APPROACH...BE
PREPARED TO SEEK PROTECTION.

LISTEN FOR FURTHER STATEMENTS AS CONDITIONS WARRANT.

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 9:56 PM CDTSevere Thunderstorm WarningMEGPoinsett49 min
May 19, 10:02 PM CDTSevere Thunderstorm WarningMEGCross43 min
May 19, 10:39 PM CDTTornado WarningMEGSt. Francis36 min
May 19, 10:42 PM CDTSevere Thunderstorm WarningMEGCross, Poinsett48 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1990Severe Thunderstorm Warnings in Tennessee, 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.