Alert archive / Mississippi / Flash Flood Warnings in 1998
Flash Flood Warning 16, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Mar 7, 1998, 12:07 PM CST for Hancock County, Harrison 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
- Mar 7, 1998, 12:07 PM CST (18:07 UTC)
- Expired
- Mar 7, 1998, 2:10 PM CST
- In force
- 2 hr
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Hancock County, MS, Harrison County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 6.1 hours before the alert went out and 44 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 071805 FFWNEW MSC045-047-072010- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1207 PM CST SAT MAR 7 1998 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 210 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHERN MISSISSIPPI ...HANCOCK AND HARRISON COUNTIES AT 1204 PM RADAR CONTINUED TO INDICATE NUMEROUS TROPICAL SHOWERS AND THUNDERSTORMS PRODUCING TORRENTIAL RAINS ALONG THE MISSISSIPPI GULF COAST. NUMEROUS STREETS WERE REPORTED FLOODED IN THE WARNING AREA WITH SOME HOMES AND BUSINESSES POSSIBLY BECOMING THREATENED THIS AFTERNOON. PERSONS SHOULD SECURE AS MUCH PROPERTY AS POSSIBLE AT THIS TIME IF STREET FLOODING IS NOTED AS WATERS MAY CONTINUE TO RISE QUICKLY THROUGH 2 PM. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IT IS IMPORTANT TO KNOW WHERE |YOU ARE RELATIVE TO STREAMS... RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
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 57 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 57 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 43 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 43 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, 11:43 AM CST | Flash Flood Warning | LIX | Jackson | 3 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.