Alert archive / Mississippi / Flash Flood Warnings in 1988

Flash Flood Warning 9, NWS Jackson, MS

April 23, 1988Hinds County, Mississippi

NWS Jackson, MS issued this flash flood warning at Apr 23, 1988, 11:52 AM CDT for Hinds County, Mississippi. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Apr 23, 1988, 11:52 AM CDT (16:52 UTC)
Expired
Apr 23, 1988, 2:00 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Whole counties

County Hinds 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

Jackson, MS (KJAN), launched 12:00Z, 4.9 hours before the alert went out and 35 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, Jackson, MS at 12:00Z on 1988-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1150 joules per kilogram.LCLLFCEL10008507005003002001001 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, Jackson, MS at 12:00Z on 1988-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939587897Sfc1 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
1150 J/kg
Mixed-layer CIN
-231 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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.

What forecasters said that day

The local office's own words before this flash flood 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, Apr 23, 9:44 AM CDT, 2 hours 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
945 AM CDT SAT APR 23 1988

...SCATTERED THUNDERSTORMS DEVELOPING OVER CENTRAL MISSISSIPPI...

A WEAK DISTURBANCE IN THE UPPER ATMOSPHERE JUST TO THE WEST OF
MISSISSIPPI IS COMBINING WITH ABUNDANT MOISTURE NEAR THE EARTH'S
SURFACE TO PRODUCE SCATTERED THUNDERSTORMS ACROSS CENTRAL
MISSISSIPPI THIS MORNING.  A BAND OF THUNDERSTORMS EXTENDS FROM
NORTH OF MERIDIAN THROUGH THE JACKSON AREA AND WESTWARD INTO
NORTHCENTRAL LOUISIANA.

PEA TO MARBLE SIZE HAIL HAS BEEN REPORTED WITH SOME OF THESE
THUNDERSTORMS...BUT HAS ONLY LASTED A MINUTE OR SO.

THESE THUNDERSTORMS SHOULD CONTINUE TO BE SCATTERED ACROSS CENTRAL
MISSISSIPPI FOR THE NEXT SEVERAL HOURS AS THE DISTURBANCE MOVES
CLOSER TO AND THEN ACROSS THE STATE.  SOME DECREASE IN ACTIVITY
SHOULD TAKE PLACE THIS AFTERNOON AFTER THE DISTURBANCE MOVES OUT
OF THE AREA.
Local storm report, Apr 23, 10:25 AM CDT, 1 hour 27 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
1025 AM CDT SAT APR 23 1988

AT 1020 AM CDT BAILY FIRE DEPARTMENT...NORTHERN LAUDERDALE COUNTY...
REPORTS GOLF BALL SIZE HAIL.
Local storm report, Apr 23, 11:25 AM CDT, 27 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
1125 AM CDT SAT APR 23 1988

1032 AM CDT   NICKLE SIZE HAIL IN NORTHWEST LAUDERDALE COUNTY
              MISSISSIPPI. REPORTED BY COLLINSVILLE FIRE
              DEPARTMENT.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 10:14 AM CDTSevere Thunderstorm WarningJANLauderdale, Newton46 min
Apr 23, 10:19 AM CDTSevere Thunderstorm WarningJANHinds41 min
Apr 23, 10:29 AM CDTSevere Thunderstorm WarningJANKemper31 min
Apr 23, 10:43 AM CDTSevere Thunderstorm WarningJANRankin62 min
Apr 23, 10:49 AM CDTSevere Thunderstorm WarningJANLauderdale26 min
Apr 23, 11:10 AM CDTSevere Thunderstorm WarningJANHinds, Rankin55 min
Apr 23, 11:17 AM CDTSevere Thunderstorm WarningJANLauderdale43 min
Apr 23, 11:40 AM CDTTornado WarningJANRankin, Scott, Smith35 min
Apr 23, 11:55 AM CDTSevere Thunderstorm WarningJANRankin35 min
Apr 23, 12:22 PM CDTSevere Thunderstorm WarningJANScott38 min
Apr 23, 12:32 PM CDTSevere Thunderstorm WarningJANSmith28 min
Apr 23, 12:53 PM CDTSevere Thunderstorm WarningJANJasper67 min
Apr 23, 1:29 PM CDTSevere Thunderstorm WarningJANClarke46 min

Nearby

Flash Flood Warnings in Mississippi, 1988Every flash flood warning in 1988

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.