Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 91, NWS Jackson, MS

May 8, 1989Carroll County, Holmes County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 8, 1989, 7:33 PM CDT for Carroll County, Holmes County, Mississippi. It was in force for 19 min.

The area

The counties it named.

The facts

Issued
May 8, 1989, 7:33 PM CDT (00:33 UTC)
Expired
May 8, 1989, 7:52 PM CDT
In force
19 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Carroll County, MS, Holmes 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 00:00Z, 0.6 hours before the alert went out and 172 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 1989-05-09Temperature 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 1989-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.19395878Sfc1 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
48 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
336 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 1:02 AM CDTSevere Thunderstorm WarningJANBolivar28 min
May 9, 1:31 AM CDTSevere Thunderstorm WarningJANBolivar, Sunflower29 min
May 9, 1:41 AM CDTSevere Thunderstorm WarningJANTallahatchie34 min
May 9, 1:56 AM CDTSevere Thunderstorm WarningJANLeflore, Tallahatchie34 min
May 9, 2:15 AM CDTSevere Thunderstorm WarningJANCarroll, Grenada30 min
May 9, 2:23 AM CDTSevere Thunderstorm WarningJANSunflower37 min
May 9, 2:35 AM CDTSevere Thunderstorm WarningJANLeflore40 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1989Every severe thunderstorm warning in 1989

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.