Alert archive / Mississippi / Tornado Warnings in 1987

Tornado Warning 2, NWS Memphis, TN

March 18, 1987Itawamba County, Mississippi

NWS Memphis, TN issued this tornado warning at Mar 18, 1987, 7:15 PM CST for Itawamba County, Mississippi. It was in force for 60 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: Mar 18, 1987, 7:15 PM CST (01:15 UTC)
Expired: Mar 18, 1987, 8:15 PM CST
In force: 60 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.

What was reported inside it

Time	Report	Where	Remark
Mar 18, 7:20 PM CST	Hail 1.75	Itawamba, MS
Mar 18, 7:45 PM CST	Hail 0.75	Itawamba, MS

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, 1.3 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3483 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 204 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 190119
TORTUP
MSC057-190215-

BULLETIN EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TUPELO MS
715  PM CST WED MAR 18 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE
UNTIL 815 PM  CST FOR PERSONS IN THE FOLLOWING COUNTY IN NORTHEAST
MISSISSIPPI...ITAWAMBA

AT 710 PM CST...NATIONAL WEATHER SERVICE RADAR WAS INDICATING A
POSSIBLE TORNADO 5 MILES SOUTHWEST OF FULTON MISSISSIPPI..q.MOVING TO
THE NORTHEAST AT 30 MILES AN HOUR.

IF YOU ARE IN THE PATH OF THIS TORNADO..GO TO A STORM CELLAR OR A
CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON CARS AND MOBILE
HOMES AND GO TO A CONCRETE OR BRICK BUILDING.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 6:00 PM CST	Severe Thunderstorm Warning	MEG	Lee, Prentiss	60 min
Mar 18, 6:50 PM CST	Severe Thunderstorm Warning	MEG	Itawamba	60 min
Mar 18, 8:15 PM CST	Severe Thunderstorm Warning	MEG	Monroe	65 min

Nearby

Tornado Warnings in Mississippi, 1987 Every tornado warning in 1987 Tornadoes in 1987

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.