Alert archive / Mississippi / Flash Flood Warnings in 1998
Flash Flood Warning 15, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Mar 7, 1998, 11:43 AM CST for Jackson County, Mississippi. It was in force for 3 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
- Mar 7, 1998, 11:43 AM CST (17:43 UTC)
- Expired
- Mar 7, 1998, 2:40 PM CST
- In force
- 3 hr
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Jackson County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 5.7 hours before the alert went out and 106 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 520 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 325 m²/s²
- 0-3 km storm-relative helicity
- 480 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 071740 FFWNEW MSC059-072040- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1143 AM CST SAT MAR 7 1998 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 240 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHERN MISSISSIPPI ...JACKSON COUNTY AT 1130 AM CST...JACKSON COUNTY OFFICIALS REPORTED ABOUT 4 HOMES WITH FLOOD WATER IN THEM AND NUMEROUS ROADS FLOODED IN THE MOSS POINT COMMUNITY. IN ADDITION...SEVERAL STREETS IN THE SOUTHERN PART OF THE COUNTY MAY EXPERIENCE FLOODING DUE TO SLOW DRAINAGE. AT 1135 AM...RADAR INDICATED MUCH OF THE HEAVY RAIN HAD MOVED OUT OF JACKSON COUNTY BUT MORE IS APPROACHING FROM THE WEST. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR CAN BE EXPECTED IN THE WARNING AREA AROUND 1230 PM AND CONTINUE AT LEAST THROUGH 130 PM. THIS ADDITIONAL RAIN WILL ONLY AGGRAVATE THE ONGOING FLOODING. USE THE LIGHT RAIN PERIOD TO SECURE AS MUCH AS POSSIBLE AND BE PREPARED FOR RAPID FLOODING CONDITIONS TO ONSET EARLY THIS AFTERNOON. DO NOT DRIVE ONTO WATER COVERED ROADWAYS AND DO NOT ENTER BARRICADED LOCATIONS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE... ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
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, Mar 7, 10:10 AM CST, 1 hour 33 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-080100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 1010 AM CST SAT MAR 7 1998 TORNADO WATCH NUMBER 82 FOR ALL OF: SOUTHCENTRAL..EASTCENTRAL..SOUTHEAST LOUISIANA SOUTHWEST MISSISSIPPI AND THE MISSISSIPPI GULF COAST HAS BEEN ALLOWED TO EXPIRE AT 10 AM CST. ADDITIONAL HEAVY RAIN AND THE POSSIBILITY OF SEVERE WEATHER WILL REVISIT THE AREA THIS AFTERNOON AND TONIGHT. ADDITIONAL WEATHER WATCHES WILL LIKELY BE ISSUED WITH THE SECOND ROUND OF THUNDERSTORM ACTIVITY. KEEP TUNDED TO NOAA WEATHER RADIO...LOCAL AND CABLE TELEVISION STATIONS...LOCAL RADIO STATIONS...FOR ALL THE LATEST. ALSO VISIT OUR HOMEPAGE AT WWW.SRH.NOAA.GOV/FTPROOT/LIX 12
Special weather statement, Mar 7, 10:10 AM CST, 1 hour 33 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-080100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 1010 AM CST SAT MAR 7 1998 TORNADO WATCH NUMBER 82 FOR ALL OF: SOUTHCENTRAL..EASTCENTRAL..SOUTHEAST LOUISIANA SOUTHWEST MISSISSIPPI AND THE MISSISSIPPI GULF COAST HAS BEEN ALLOWED TO EXPIRE AT 10 AM CST. ADDITIONAL HEAVY RAIN AND THE POSSIBILITY OF SEVERE WEATHER WILL REVISIT THE AREA THIS AFTERNOON AND TONIGHT. ADDITIONAL WEATHER WATCHES WILL LIKELY BE ISSUED WITH THE SECOND ROUND OF THUNDERSTORM ACTIVITY. KEEP TUNDED TO NOAA WEATHER RADIO...LOCAL AND CABLE TELEVISION STATIONS...LOCAL RADIO STATIONS...FOR ALL THE LATEST. ALSO VISIT OUR HOMEPAGE AT WWW.SRH.NOAA.GOV/FTPROOT/LIX 12
Special weather statement, Mar 7, 10:24 AM CST, 1 hour 19 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-080600- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1024 AM CST SAT MAR 7 1998 ...A FLASH FLOOD WATCH IS IN EFFECT FOR TODAY THROUGH TONIGHT... ...SEVERE THUNDERSTORMS AND TORRENTIAL RAINS CAN BE EXPECTED THROUGH TONIGHT... AN UNSTABLE AIRMASS ACROSS THE GULF SOUTH IS BEING ACTIVATED BY AN APPROACHING STRONG LOW PRESSURE SYSTEM MOVING FROM THE SOUTHWEST UNITED STATES. ABUNDANT TROPICAL MOISTURE MOVING OFF THE GULF WILL PROVIDE THE AREA WITH TORRENTIAL RAINS WHENEVER THUNDERSTORMS DEVELOP. WHILE THE STORMS WILL MAINTAIN MOVEMENT OF 30 TO 50 MPH THROUGHOUT THE DAY...REPEAT DEVELOPMENT OVER THE SAME AREA IS POSSIBLE...CREATING A FLOOD POTENTIAL FOR THE AREA. THUNDERSTORMS THIS AFTERNOON WILL ALSO BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS...ALONG WITH POSSIBLE ISOLATED TORNADOES. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE COMMON TODAY... WHICH WILL OVERWHELM DRAINAGE CAPACITIES WHERE THE HEAVIER RAINS OCCUR. EMERGENCY OPERATIONS COORDINATORS ARE URGED TO STAFF THEIR OFFICES ACCORDINGLY FOR HEAVY OPERATIONS TODAY. STORM SPOTTERS AND SKYWARN PERSONNEL ARE REQUESTED FOR ACTIVATION THIS AFTERNOON. PLEASE REFER ANY WEATHER REPORTS TO THE LOCAL LAW ENFORCEMENT AGENCIES OR THE NATIONAL WEATHER SERVICE. PERSONS ACROSS SOUTHEAST AND SOUTHCENTRAL LOUISIANA AND SOUTH MISSISSIPPI SHOULD CLOSELY MONITOR TODAYS INCLEMENT WEATHER. ANTICIPATE WATCHES AND WARNINGS TO BE ISSUED BY THE NATIONAL WEATHER SERVICE. MEANWHILE...REVIEW SEVERE THUNDERSTORM PREPAREDNESS PROCEDURES. KNOW WHAT TO DO IN THE EVENT OF SEVERE THUNDERSTORMS... TORNADOES OR FLOODING...AND ACT QUICKLY IF YOUR AREA IS AFFECTED OR WARNED.
Special weather statement, Mar 7, 10:24 AM CST, 1 hour 19 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-080600- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1024 AM CST SAT MAR 7 1998 ...A FLASH FLOOD WATCH IS IN EFFECT FOR TODAY THROUGH TONIGHT... ...SEVERE THUNDERSTORMS AND TORRENTIAL RAINS CAN BE EXPECTED THROUGH TONIGHT... AN UNSTABLE AIRMASS ACROSS THE GULF SOUTH IS BEING ACTIVATED BY AN APPROACHING STRONG LOW PRESSURE SYSTEM MOVING FROM THE SOUTHWEST UNITED STATES. ABUNDANT TROPICAL MOISTURE MOVING OFF THE GULF WILL PROVIDE THE AREA WITH TORRENTIAL RAINS WHENEVER THUNDERSTORMS DEVELOP. WHILE THE STORMS WILL MAINTAIN MOVEMENT OF 30 TO 50 MPH THROUGHOUT THE DAY...REPEAT DEVELOPMENT OVER THE SAME AREA IS POSSIBLE...CREATING A FLOOD POTENTIAL FOR THE AREA. THUNDERSTORMS THIS AFTERNOON WILL ALSO BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS...ALONG WITH POSSIBLE ISOLATED TORNADOES. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE COMMON TODAY... WHICH WILL OVERWHELM DRAINAGE CAPACITIES WHERE THE HEAVIER RAINS OCCUR. EMERGENCY OPERATIONS COORDINATORS ARE URGED TO STAFF THEIR OFFICES ACCORDINGLY FOR HEAVY OPERATIONS TODAY. STORM SPOTTERS AND SKYWARN PERSONNEL ARE REQUESTED FOR ACTIVATION THIS AFTERNOON. PLEASE REFER ANY WEATHER REPORTS TO THE LOCAL LAW ENFORCEMENT AGENCIES OR THE NATIONAL WEATHER SERVICE. PERSONS ACROSS SOUTHEAST AND SOUTHCENTRAL LOUISIANA AND SOUTH MISSISSIPPI SHOULD CLOSELY MONITOR TODAYS INCLEMENT WEATHER. ANTICIPATE WATCHES AND WARNINGS TO BE ISSUED BY THE NATIONAL WEATHER SERVICE. MEANWHILE...REVIEW SEVERE THUNDERSTORM PREPAREDNESS PROCEDURES. KNOW WHAT TO DO IN THE EVENT OF SEVERE THUNDERSTORMS... TORNADOES OR FLOODING...AND ACT QUICKLY IF YOUR AREA IS AFFECTED OR WARNED.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 5:07 AM CST | Tornado Warning | LIX | Pearl River | 33 min |
| Mar 7, 5:32 AM CST | Severe Thunderstorm Warning | LIX | Hancock | 33 min |
| Mar 7, 6:09 AM CST | Tornado Warning | LIX | Harrison | 31 min |
| Mar 7, 12:07 PM CST | Flash Flood Warning | LIX | Hancock, Harrison | 2 hr |
| Mar 7, 4:20 PM CST | Severe Thunderstorm Warning | LIX | Wilkinson | 30 min |
| Mar 7, 4:41 PM CST | Flash Flood Warning | LIX | Hancock, Harrison | 4 hr |
| Mar 7, 4:41 PM CST | Flash Flood Warning | LIX | Jackson | 4 hr |
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.