Alert archive / Mississippi / Tornado Warnings in 1987

Tornado Warning 3, NWS Mobile, AL

March 29, 1987Harrison County, Stone County, Mississippi

NWS Mobile, AL issued this tornado warning at Mar 29, 1987, 3:01 PM CST for Harrison County, Stone County, Mississippi. It was in force for 44 min. 1 report 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 29, 1987, 3:01 PM CST (21:01 UTC)
Expired: Mar 29, 1987, 3:45 PM CST
In force: 44 min
Issued by: NWS Mobile, AL
Area: Whole counties

Counties Harrison County, MS, Stone 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 29, 3:05 PM CST	Tornado F1	Harrison, 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

Boothville, LA (KBVE), launched 12:00Z, 9.0 hours before the alert went out and 144 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: 910 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 531 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 66 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 KMOB 292103
TORMOB
MSC047-131-292145-

BULLETIN..EBS..ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
301 PM CST SUN MAR 29 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE
UNTIL 345 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY:

IN SOUTHEAST MISSISSIPPI...HARRISON...AND STONE

AT 259 PM CST TORNADOS WERE REPORTED IN GULFPORT AND ALSO ON HIWAY 53
TO THE NORTHWEST OF GULFPORT.  DAMAGE HAS BEEN REPORTED...BE PREPARED TO
TAKE SHELTER IMMEDIATELY IF THREATENING WEATHER APPROACHES.

 THESE TORNADOS WILL MOVE NORTHEASTWARD AT 40 MPH.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 29, 1:57 PM CST	Severe Thunderstorm Warning	MOB	Jackson	63 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.