Alert archive / Mississippi / Flash Flood Warnings in 2001

Flash Flood Warning 78, NWS Jackson, MS

September 3, 2001Covington County, Jefferson Davis County, Lawrence County, Mississippi

NWS Jackson, MS issued this flash flood warning at Sep 3, 2001, 10:25 AM CDT for Covington County, Jefferson Davis County, Lawrence 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: Sep 3, 2001, 10:25 AM CDT (15:25 UTC)
Expired: Sep 3, 2001, 12:30 PM CDT
In force: 2 hr
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Covington County, MS, Jefferson Davis County, MS, Lawrence County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 3.4 hours before the alert went out and 85 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 782 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 541 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: -8 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 
WGUS54 KJAN 031529
FFWJAN
MSC031-065-077-031730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1025 AM CDT MON SEP 3 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LAWRENCE COUNTY IN SOUTH CENTRAL MISSISSIPPI
  JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI
  COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 1230 PM CDT

* AT 1020 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER PRENTISS...OR ABOUT 16
  MILES WEST OF COLLINS...MOVING EAST AT 20 MPH.

  THE EMERGENCY MANAGER REPORTED WATER IN HOUSES IN PRENTISS.

  RADAR ESTIMATES THAT 3 TO 5 INCHES OF RAIN HAS FALLEN THIS MORNING
  OVER THE COUNTIES AND AN ADDITIONAL 1 TO 2 INCHES CAN BE EXPECTED. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.

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.

NWS Jackson, MS wrote its last area forecast discussion before this flash flood warning went out at Sep 3, 3:30 AM CDT, 6 hours 55 minutes earlier.

Area forecast discussion, Sep 3, 3:30 AM CDT, 6 hours 55 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
330 AM CDT MON SEP 3 2001

RADAR IMAGERY SHOWS RAIN CONTINUING OVER CWFA. 00Z PRECIP WATER
VALUES WERE AOA 2.0 OVER LOWER MS RIVER VALLEY. ETA/AVN MODELS
TREND TOWARDS GRADUAL CHANGE IN PATTERN...AS SLOW-MOVING MID-LEVEL
TROUGH AXIS LIFTS NE OUT OF REGION. LATER IN THIS FORECAST
CYCLE...HIGH PRESSURE BUILDS OVER SWRN STATES/ ROCKIES...AS GREAT
LAKES HIGH PRESSURE SLIDES E. WITH TIME...THIS RIDGE OF HIGH
PRESSURE WILL EXTEND INTO CENTRAL PLAINS.

IN SHORT-TERM...SW FLOW CONTINUES OVER REGION AS BOUNDARY DRAPED
ACROSS SRN STATES FROM CAROLINAS INTO LA. IN ETA/AVN/NGM...SHOWERS/
THUNDERSTORMS DEVELOP. HEAVY RAINFALL STILL POSSIBLE TODAY...MAINLY
ERN ZONES. MODELS TREND TOWARDS MORE DIURNAL PRECIPITATION PATTERN
FROM TUE ON. BY 00Z TUE...SURFACE LOW PRESSURE CENTER SHIFTS INTO
AL...WITH HEAVIEST PRECIP OVER SRN APPALACHIANS.

WILL EXTEND FFA THROUGH TODAY FOR ERN ZONES AS AXIS OF STRONGEST
VORTICITY PUSHES E INTO AL. GROUND ALREADY SOGGY FROM DAYS OF
PRECIP. EXPECT RAINFALL AMOUNTS OF 1 TO 2 POSSIBLE...SINCE PRECIP
WATER VALUES AOA 2. ISOLATED GREATER TOTALS COULD OCCUR.

CONDITIONS SHOULD IMPROVE THROUGH AFTERNOON...AS ETA BEGINS TO DRY
OUT REGION FROM NW. WINDS BECOMING MORE NW TO NE WITH TIME. IN
MODELS...SHEAR AXIS STILL ACROSS CENTRAL/SRN ZONES TUE/TUE NIGHT...
WITH ABUNDANT LOWER-LEVEL MOISTURE IN PLACE. WILL KEEP TREND OF
DIURNAL PRECIP FOR TUE/TUE NIGHT.

...EXTENDED FORECAST...
SHEAR AXIS STILL IN PLACE OVER CWFA IN MRF WILL CONTINUE CHANCE
PRECIP. BY 00Z SAT...MRF DEVELOPING FRONT FROM CAN INTO SRN PLAINS.
THIS SIGNIFICANT FRONT SHIFTS INTO LOWER MS RIVER VALLEY AFTER 12Z
SAT... FINALLY ALLOWING HIGH PRESSURE TO BUILD OVER SRN STATES BY
12Z SUN. DRY SUN/MON.

JAN 87/71/89/70  7453
MEI 86/71/89/69  8553

.JAN...
MS...FFA ZONES 029>033-037>039-044>046-050>052-056>058-064>066-
     072>074 TODAY.
LA...NONE.
AR...NONE.

In the hours before

Special weather statement, Sep 3, 5:54 AM CDT, 4 hours 31 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
041200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
554 AM CDT MON SEP 03 2001

...THUNDERSTORMS...
NUMEROUS SHOWERS AND THUNDERSTORMS CAN BE EXPECTED FROM
EAST-CENTRAL LOUISIANA INTO SOUTHERN AND EASTERN MISSISSIPPI
TODAY. SHOWERS AND STORMS WILL BE MORE SCATTERED IN NATURE OVER
EXTREME SOUTHEAST ARKANSAS..FAR
NORTHEAST LOUISIANA INTO PORTIONS OF NORTHWEST MISSISSIPPI IN AND
AROUND THE DELTA. THE CLOUD CANOPY AROUND TODAY SHOULD KEEP
INSTABILITIES MARGINAL AT BEST...THUS SEVERE WEATHER WEATHER IS
NOT EXPECTED.

...FLOODING...
FLASH FLOOD WATCH IN EFFECT TODAY FOR PORTIONS OF EASTERN
MISSISSIPPI ALONG AND EAST OF A TOMNOLEN...TO SALLIS...TO
MORTON...TO POLKVILLE
TO PRENTISS...TO KOKOMO LINE.

AN ADDITIONAL 1 TO 3 INCHES OF RAINFALL WILL BE POSSIBLE OVER
EASTERN MISSISSIPPI TODAY. SOILS ACROSS THE WATCH AREA REMAIN
SATURATED AN ANY ADDITIONAL RAINFALL MAY RESULT IN FLASH
FLOODING. ELSEWHERE...ISOLATED HEAVY RAINFALL UPWARDS TO 1 TO 2
INCHES WILL BE POSSIBLE THIS MORNING
WITH ACTIVITY TAPERING OFF DURING THE AFTERNOON HOURS.

AN UPPER LEVEL DISTURBANCE AND AN ASSOCIATED SURFACE BOUNDARY
WILL
CONTINUE TO MOVE ACROSS THE REGION TODAY BEFORE EXITING INTO
ALABAMA AND GEORGIA BY NIGHTFALL. AS THESE FEATURES ENCOUNTER A
VERY MOISTURE RICH AIRMASS IN PLACE...SHOWERS AND THUNDERSTORMS
WILL BECOME MORE NUMEROUS OVER PORTIONS OF EAST-CENTRAL LOUISIANA
INTO CENTRAL AND EASTERN MISSISSIPPI INTO THE EARLY AFTERNOON
HOURS. AREAS OF HEAVY RAINFALL ARE POSSIBLE...ESPECIALLY ACROSS
EASTERN MISSISSIPPI AS THE DAY WEARS ON.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL WILL MOST LIKELY ONLY BE NEEDED FOR POSSIBLE
FLOODING ACROSS THE REGION AS SEVERE STORMS ARE NOT LIKELY.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

Special weather statement, Sep 3, 5:54 AM CDT, 4 hours 31 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
041200-

HAZARDOUS WEATHER OUTLOOK...CORRECTED FORMAT
NATIONAL WEATHER SERVICE JACKSON MS
554 AM CDT MON SEP 03 2001

...THUNDERSTORMS...
NUMEROUS SHOWERS AND THUNDERSTORMS CAN BE EXPECTED FROM
EAST-CENTRAL LOUISIANA INTO SOUTHERN AND EASTERN MISSISSIPPI
TODAY. SHOWERS AND STORMS WILL BE MORE SCATTERED IN NATURE OVER
EXTREME SOUTHEAST ARKANSAS..FAR NORTHEAST LOUISIANA INTO PORTIONS OF
NORTHWEST MISSISSIPPI IN AND AROUND THE DELTA. THE CLOUD CANOPY
AROUND TODAY SHOULD KEEP INSTABILITIES MARGINAL AT BEST...THUS
SEVERE WEATHER WEATHER IS NOT EXPECTED.

...FLOODING...
FLASH FLOOD WATCH IN EFFECT TODAY FOR PORTIONS OF EASTERN
MISSISSIPPI ALONG AND EAST OF A TOMNOLEN...TO SALLIS...TO
MORTON...TO POLKVILLE TO PRENTISS...TO KOKOMO LINE.

AN ADDITIONAL 1 TO 3 INCHES OF RAINFALL WILL BE POSSIBLE OVER
EASTERN MISSISSIPPI TODAY. SOILS ACROSS THE WATCH AREA REMAIN
SATURATED AN ANY ADDITIONAL RAINFALL MAY RESULT IN FLASH
FLOODING. ELSEWHERE...ISOLATED HEAVY RAINFALL UPWARDS TO 1 TO 2
INCHES WILL BE POSSIBLE THIS MORNING WITH ACTIVITY TAPERING OFF
DURING THE AFTERNOON HOURS.

AN UPPER LEVEL DISTURBANCE AND AN ASSOCIATED SURFACE BOUNDARY WILL
CONTINUE TO MOVE ACROSS THE REGION TODAY BEFORE EXITING INTO ALABAMA
AND GEORGIA BY NIGHTFALL. AS THESE FEATURES ENCOUNTER A VERY
MOISTURE RICH AIRMASS IN PLACE...SHOWERS AND THUNDERSTORMS WILL
BECOME MORE NUMEROUS OVER PORTIONS OF EAST-CENTRAL LOUISIANA INTO
CENTRAL AND EASTERN MISSISSIPPI INTO THE EARLY AFTERNOON HOURS.
AREAS OF HEAVY RAINFALL ARE POSSIBLE...ESPECIALLY ACROSS EASTERN
MISSISSIPPI AS THE DAY WEARS ON.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL WILL MOST LIKELY ONLY BE NEEDED FOR POSSIBLE
FLOODING ACROSS THE REGION AS SEVERE STORMS ARE NOT LIKELY.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

Special weather statement, Sep 3, 6:37 AM CDT, 3 hours 48 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
041200-

HAZARDOUS WEATHER OUTLOOK...CORRECTED FORMAT
NATIONAL WEATHER SERVICE JACKSON MS
554 AM CDT MON SEP 03 2001

...THUNDERSTORMS...
NUMEROUS SHOWERS AND THUNDERSTORMS CAN BE EXPECTED FROM
EAST-CENTRAL LOUISIANA INTO SOUTHERN AND EASTERN MISSISSIPPI
TODAY. SHOWERS AND STORMS WILL BE MORE SCATTERED IN NATURE OVER
EXTREME SOUTHEAST ARKANSAS..FAR NORTHEAST LOUISIANA INTO PORTIONS OF
NORTHWEST MISSISSIPPI IN AND AROUND THE DELTA. THE CLOUD CANOPY
AROUND TODAY SHOULD KEEP INSTABILITIES MARGINAL AT BEST...THUS
SEVERE WEATHER WEATHER IS NOT EXPECTED.

...FLOODING...
FLASH FLOOD WATCH IN EFFECT TODAY FOR PORTIONS OF EASTERN
MISSISSIPPI ALONG AND EAST OF A TOMNOLEN...TO SALLIS...TO
MORTON...TO POLKVILLE TO PRENTISS...TO KOKOMO LINE.

AN ADDITIONAL 1 TO 3 INCHES OF RAINFALL WILL BE POSSIBLE OVER
EASTERN MISSISSIPPI TODAY. SOILS ACROSS THE WATCH AREA REMAIN
SATURATED AN ANY ADDITIONAL RAINFALL MAY RESULT IN FLASH
FLOODING. ELSEWHERE...ISOLATED HEAVY RAINFALL UPWARDS TO 1 TO 2
INCHES WILL BE POSSIBLE THIS MORNING WITH ACTIVITY TAPERING OFF
DURING THE AFTERNOON HOURS.

AN UPPER LEVEL DISTURBANCE AND AN ASSOCIATED SURFACE BOUNDARY WILL
CONTINUE TO MOVE ACROSS THE REGION TODAY BEFORE EXITING INTO ALABAMA
AND GEORGIA BY NIGHTFALL. AS THESE FEATURES ENCOUNTER A VERY
MOISTURE RICH AIRMASS IN PLACE...SHOWERS AND THUNDERSTORMS WILL
BECOME MORE NUMEROUS OVER PORTIONS OF EAST-CENTRAL LOUISIANA INTO
CENTRAL AND EASTERN MISSISSIPPI INTO THE EARLY AFTERNOON HOURS.
AREAS OF HEAVY RAINFALL ARE POSSIBLE...ESPECIALLY ACROSS EASTERN
MISSISSIPPI AS THE DAY WEARS ON.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL WILL MOST LIKELY ONLY BE NEEDED FOR POSSIBLE
FLOODING ACROSS THE REGION AS SEVERE STORMS ARE NOT LIKELY.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

Local storm report, Sep 3, 7:43 AM CDT, 2 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
743 AM CDT MON SEP 3 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

0510 AM    QUITMAN                   MS   FLOOD
09/03/01   CLARKE                         COUNTY LAW ENFORCEMENT
                                          AND EMERGENCY
                                          MANAGEMENT REPORTING
                                          VERY HEAVY RAINFALL
                                          WITH WATER STARTING TO
                                          COVER ROADWAYS

0645 AM    COLLINS                   MS   FLOOD
09/03/01   COVINGTON                      FLOODING OCCURRING AT
                                          THE EDGE OF TOWN DUE TO
                                          VERY HEAVY RAINFALL.
                                          ALSO...STATE TROOPERS
                                          REPORTING PORTIONS OF
                                          HWY 84 UNDER 2 FT OF WATER

0720 AM    COLLINS                   MS   FLOOD
09/03/01   COVINGTON                      6 FAMILIES HAVE HAD TO BE
                                          EVACUATED IN COLLINS
                                          DUE TO RISING FLOOD
                                          WATERS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 2, 8:15 PM CDT	Flash Flood Warning	JAN	Madison	3 hr
Sep 3, 4:30 AM CDT	Flash Flood Warning	JAN	Covington, Jefferson Davis	3 hr
Sep 3, 5:12 AM CDT	Flash Flood Warning	JAN	Clarke, Jasper	4 hr
Sep 3, 5:30 AM CDT	Flash Flood Warning	JAN	Madison	3 hr
Sep 3, 6:07 AM CDT	Flash Flood Warning	JAN	Adams, Franklin	3 hr
Sep 3, 7:25 AM CDT	Flash Flood Warning	JAN	Covington, Jefferson Davis, Lawrence	3 hr
Sep 3, 8:50 AM CDT	Flash Flood Warning	JAN	Simpson	115 min
Sep 3, 9:00 AM CDT	Flash Flood Warning	JAN	Lincoln	2 hr
Sep 3, 9:27 AM CDT	Flash Flood Warning	JAN	Rankin	2 hr
Sep 3, 10:35 AM CDT	Flash Flood Warning	JAN	Hinds	115 min
Sep 3, 10:39 AM CDT	Flash Flood Warning	JAN	Jasper, Simpson, Smith	2 hr
Sep 3, 10:50 AM CDT	Flash Flood Warning	JAN	Lincoln	115 min
Sep 3, 1:14 PM CDT	Flash Flood Warning	JAN	Hinds, Rankin	2 hr
Sep 3, 1:31 PM CDT	Flash Flood Warning	JAN	Claiborne	119 min
Sep 3, 5:27 PM CDT	Flash Flood Warning	JAN	Covington, Jefferson Davis	2 hr

Nearby

Flash Flood Warnings in Mississippi, 2001 Every flash flood warning in 2001

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.