Alert archive / Mississippi / Flash Flood Warnings in 1998

Flash Flood Warning 31, NWS Jackson, MS

July 14, 1998Hinds County, Madison County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jul 14, 1998, 3:34 PM CDT for Hinds County, Madison County, Mississippi. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 14, 1998, 3:34 PM CDT (20:34 UTC)
Expired
Jul 14, 1998, 5:35 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Hinds County, MS, Madison County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.6 hours before the alert went out and 21 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 1998-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1561 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 1998-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.1939Sfc1 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
1561 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
591 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
39 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 KJAN 142036 COR
FFWJAN
MSC049-089-142235-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE JACKSON MS
334 PM CDT TUE JUL 14 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN HINDS COUNTY IN CENTRAL MISSISSIPPI
  MADISON COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 540 PM CDT

* AT 332 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  CLUSTER OF THUNDERSTORMS WITH TORRENTIAL RAIN OVER MUCH OF
  MADISON AND NORTHERN HINDS COUNTIES...MOVING LITTLE.

* RAINFALL AMOUNTS OF UP TO 3 INCHES AN HOUR WILL PRODUCE FLOODING
  OF CREEKS AND ROADS. PURPLE CREEK AT COUNTY LINE ROAD AND WHITE
  OAK CREEK AT ATKINS BLVD AS WELL AS HANGING MOSS CREEK NEAR
  I-55 AND RIDGEWOOD ROAD COULD ALL COME OUT OF THEIR BANKS.

* FLOODING HAS BEEN REPORTED BY THE HINDS EOC IN NORTH JACKSON.
  WATER WAS COVERING NUMEROUS ROADS.

DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

65

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, Jul 14, 10:10 AM CDT, 5 hours 24 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-150400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1010 AM CDT TUE JUL 14 1998

A VERY MOIST AND UNSTABLE AIRMASS PERSISTED ACROSS THE REGION THIS
MORNING. A NEARLY STATIONARY LOW PRESSURE SYSTEM IN UPPER LEVELS OF
THE ATMOSPHERE WILL PRODUCE NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS
THE REGION TODAY AND TONIGHT.

THE MAIN THREAT FROM THE THUNDERSTORMS WILL BE TORRENTIAL RAIN
THAT MAY CAUSE FLOODING OF LOW LYING AND FLOOD PRONE AREAS. HOWEVER...
A FEW STORMS COULD PRODUCE WIND GUSTS IN EXCESS OF 40 MPH.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT OFFICIALS SHOULD NOT BE REQUIRED THIS AFTERNOON OR
TONIGHT FOR SEVERE WEATHER DETECTION.

FOR MORE WEATHER INFORMATION PLEASE VISIT OUR INTERNET WEB SITE AT:
HTTP://WWW.JANNWS.STATE.MS.US     /IN LOWER CASE LETTERS/
Special weather statement, Jul 14, 10:10 AM CDT, 5 hours 24 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-150400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1010 AM CDT TUE JUL 14 1998

A VERY MOIST AND UNSTABLE AIRMASS PERSISTED ACROSS THE REGION THIS
MORNING. A NEARLY STATIONARY LOW PRESSURE SYSTEM IN UPPER LEVELS OF
THE ATMOSPHERE WILL PRODUCE NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS
THE REGION TODAY AND TONIGHT.

THE MAIN THREAT FROM THE THUNDERSTORMS WILL BE TORRENTIAL RAIN
THAT MAY CAUSE FLOODING OF LOW LYING AND FLOOD PRONE AREAS. HOWEVER...
A FEW STORMS COULD PRODUCE WIND GUSTS IN EXCESS OF 40 MPH.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT OFFICIALS SHOULD NOT BE REQUIRED THIS AFTERNOON OR
TONIGHT FOR SEVERE WEATHER DETECTION.

FOR MORE WEATHER INFORMATION PLEASE VISIT OUR INTERNET WEB SITE AT:
HTTP://WWW.JANNWS.STATE.MS.US     /IN LOWER CASE LETTERS/

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 12:30 PM CDTFlash Flood WarningJANFranklin95 min
Jul 14, 5:10 PM CDTFlash Flood WarningJANCarroll85 min

Nearby

Flash Flood Warnings in Mississippi, 1998Every flash flood warning in 1998

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.