Alert archive / Alabama / Tornado Warnings in 1987

Tornado Warning 1, NWS Mobile, AL

March 18, 1987Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 18, 1987, 2:22 AM CST for Baldwin County, Alabama. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Mar 18, 1987, 2:22 AM CST (08:22 UTC)
Expired
Mar 18, 1987, 3:20 AM CST
In force
58 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Baldwin County, AL

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

Boothville, LA (KBVE), launched 00:00Z, 8.4 hours before the alert went out and 217 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, Boothville, LA at 00:00Z on 1987-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 937 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boothville, LA at 00:00Z on 1987-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 526 square meters per square second.1939587897117Sfc1 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
937 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
526 m²/s²
0-3 km storm-relative helicity
619 m²/s²
Significant tornado parameter
0.0
Supercell composite
14.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 11:55 PM CSTSevere Thunderstorm WarningMOBMobile55 min
Mar 18, 1:32 AM CSTSevere Thunderstorm WarningMOBMobile48 min
Mar 18, 3:30 AM CSTSevere Thunderstorm WarningMOBBaldwin60 min
Mar 18, 3:47 AM CSTFlash Flood WarningMOBMobile2 hr
Mar 18, 5:05 AM CSTSevere Thunderstorm WarningMOBConecuh, Escambia60 min

Nearby

Tornado Warnings in Alabama, 1987Every tornado warning in 1987Tornadoes 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; the sounding from the Mesonet's radiosonde archive.