Alert archive / Mississippi / Flash Flood Warnings in 2012

Flash Flood Warning 117, NWS Jackson, MS

August 29, 20124 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Aug 29, 2012, 9:35 PM CDT for 4 counties in Mississippi. It was in force for 6 hr. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 29, 2012, 9:35 PM CDT (02:35 UTC)
Expired
Aug 30, 2012, 3:30 AM CDT
In force
6 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Jefferson Davis County, MS, Lawrence County, MS, Lincoln County, MS, Marion County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 88 km from the middle of the area, began a volume at 02:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Aug 29, 9:50 PM CDTCOASTAL FLOODBrookhaven, MSNUMEROUS RDS COMPLETELY BLOCKED BY TREES AND POWER LINES...IN THE CITY AND ACROSS THE COUNTY.
Aug 30, 12:30 AM CDTFLASH FLOOD10 Sse Columbia, MSA PART OF HWY 43S...NEAR JOE MAGEE RD...HAS 1 FT OF WATER COVERING THE RD...RD IS CLOSED.
Aug 30, 12:30 AM CDTCOASTAL FLOOD10 Sse Columbia, MSA PART OF HWY 43S...NEAR JOE MAGEE RD...HAS 1 FT OF WATER COVERING THE RD...RD IS CLOSED.
Aug 30, 2:30 AM CDTFLASH FLOODColumbia, MSSEVERAL ROADS FLOODED WITH A COUPLE ROADS CLOSED...1 HOME TAKING ON WATER IN TOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this flash flood warning; the first came 175 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.6 hours before the alert went out and 92 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 00:00Z on 2012-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 325 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2012-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 316 square meters per square second.19395878Sfc1 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
325 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
547 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
316 m²/s²
0-3 km storm-relative helicity
370 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

073 
WGUS54 KJAN 300235
FFWJAN
MSC065-077-085-091-300830-
/O.NEW.KJAN.FF.W.0117.120830T0235Z-120830T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
935 PM CDT WED AUG 29 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  LAWRENCE COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  LINCOLN COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF BROOKHAVEN...
  MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...KOKOMO...COLUMBIA...

* UNTIL 330 AM CDT

* AT 930 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED   
BANDS OF HEAVY RAIN ALONG A LINE EXTENDING FROM 6 MILES NORTHWEST OF 
BROOKHAVEN TO SANDY HOOK. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE 
ORDER OF ONE TO THREE INCHES...HAVE OCCURRED IN THE PAST THREE HOURS.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAST
  LINCOLN...OMA...WANILLA...SONTAG...TOPEKA...ROBINWOOD...TILTON...
  ARM...OAK VALE...SOCIETY HILL...PROGRESS...CARSON...CLEM...
  HEBRON...MORGANTOWN...HOLLY SPRINGS...GOSS...BUNKER HILL...
  IMPROVE...PICKWICK...PRENTISS AND MONTICELLO

RAINFALL AMOUNTS OVER THE PAST 12-18 HOURS HAVE BEEN FROM 7 TO 10 
INCHES. VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR 
THE NEXT SIX HOURS WITH AN ADDITIONAL ONE TO THREE INCHES POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROADWAY. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 3118 9003 3133 9005 3134 9011 3134 9052
      3137 9060 3170 9063 3170 9041 3169 9038
      3170 9037 3170 9026 3173 9019 3176 8975
      3161 8975 3161 8973 3105 8965

$$


7

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 Aug 29, 5:10 PM CDT, 4 hours 25 minutes earlier.

Area forecast discussion, Aug 29, 5:10 PM CDT, 4 hours 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
510 PM CDT WED AUG 29 2012

.SHORT TERM...TONIGHT THROUGH FRIDAY
ACCORDING TO NHC AND LATEST SATELLITE TROPICAL STORM ISSAC CONTINUES
NORTHWEST OVER SOUTHEAST LOUISIANA WITH SUSTAIN WINDS OF 70 MPH
MOVING NORTHWEST AT 6 MPH.

LATEST NHC GUIDANCE BRINGS IT NORTHWEST ACROSS EASTERN LOUISIANA BY
EARLY THURSDAY BEFORE MOVING TO NORTHWEST LOUISIANA BY THURSDAY
EVENING...THEN TO WESTERN ARKANSAS BY EARLY FRIDAY WITH POSSIBLE
WOBBLES ALONG THE WAY. AREA RADARS WERE CONTINUING TO SHOW HEAVY
SPIRAL RAIN BANDS PUSHING ACROSS SOUTHERN AND INTO CENTRAL
MISSISSIPPI. LATEST VAD WINDS SHOW 30 TO 50 KNOTS IN THE LOWEST
LEVELS. HAVE OPTED TO CONVERT SOME OF OUR TROPICAL STORM WATCH AREAS
TO TROPICAL STORM WARNINGS FROM THIS EVENING UNTIL 18Z THURSDAY. THE
WARNING WILL EXTEND FROM BASTROP THROUGH MOST OF JACKSON METRO THEN
SOUTH TO PRENTISS THEN TO LAUREL. WILL PUT IN A WIND ADVISORY FOR
AREAS NORTH OF THE TROPICAL STORM WARNING AREA UNTIL 18Z.

FOR THE SHORT TERM MOST MODELS HAVE A MORE WESTERN ROUTE FOR ISSAC
ESP THE LATEST NAM...EXCEPT THE 12Z EURO AND UK. THIS EURO WAS PRETTY
CLOSE TO NHC GUIDANCE TRACK. SO FOLLOWING THE NHC GUIDANCE TRACK.
FOR TONIGHT THE ENVIRONMENT WILL CONTINUE TO FAVOR HEAVY DOWN POURS
IN THE FLASH FLOOD WATCH AREA. THE POTENTIAL FOR SOME TORNADOES WILL
CONTINUE THIS AFTERNOON INTO TONIGHT IN THE SPIRAL BANDS ALONG WITH
GOOD SHEAR THAT WILL PIVOT AROUND THE TROPICAL CYCLONE CENTER.
EXPECT STRONG HEAVY SPIRAL BANDS TO CONTINUE TO AFFECT THE REGION
DURING THE NIGHT WITH ACCOMPANYING TROPICAL STORM LIKE WINDS. THE
BEST WIND IMPACT WILL BE ACROSS THE SOUTHWEST PORTION OF THE REGION.
MODEL POPS LOOKED A LITTLE LOW...SO KEPT WITH CURRENT HIGH POPS AND
HEAVY RAINFALL IN THE GRIDS. IT WILL BE A HUMID NIGHT WITH LOWS IN
THE LOW TO MID 70S.

FOR THURSDAY AND THURSDAY NIGHT...AS ISSAC CONTINUES TO LIFT NORTH
AND GRADUALLY WEAKEN. THERE WILL BE ENOUGH SHEAR IN THE LOW TO MID
LEVELS FOR A TORNADIC POTENTIAL ACROSS THE REGION...SINCE WE ARE ON
THE EAST SIDE OF ISSAC. MODELS SHOWS SOME DECENT INSTABILITY ACROSS
THE EAST SIDE OF THE REGION WITH MUCAPES OF AROUND 2000 J/KG. THIS
IS ESP TRUE IF THERE WILL BE SOME BREAKS FOR INSOLATION DURING THE
AFTERNOON IN THE EAST. HEAVY RAIN POTENTIAL WILL CONTINUE WITH THE
SYSTEM PULLING RICH TROPICAL MOISTURE DIRECTLY NORTH OUT OF THE
GULF. EXPECT MORE TROPICAL STORM LIKE WINDS FOR THE SOUTH HALF
DURING THE MORNING WITH THE PRESSURE GRADIENT OF ISSAC FROM THE WEST.
THE TROPICAL WINDS SHOULD TAPER OFF BY THURSDAY AFTERNOON. HIGHS FOR
THURSDAY WILL BE FROM THE LOWER TO MIDDLE 80S. WENT CLOSE TO GMOS
GUIDANCE. FOR THURSDAY NIGHT THE LAST OF THE HEAVY RAINS WILL AFFECT
THE NORTHWEST DELTA. SO HAVE OPTED TO CONTINUE THE DELTA PORTION OF
THE WATCH UNTIL 06Z FRIDAY. LOWS FOR THURSDAY NIGHT WILL BE IN THE
LOWER TO MIDDLE 70S. WENT CLOSE TO THE WARMER NAM GUIDANCE.

FOR FRIDAY AND FRIDAY NIGHT...ISSAC WILL BE PULLING FARTHER AWAY
FROM THE REGION FROM WESTERN ARKANSAS THROUGH SOUTH CENTRAL MISSOURI.
STILL EXPECT SOME GULF INFLOW ACROSS THE REGION. THE HEAVY RAIN POTENTIAL
WILL HAVE DIMINISHED...BUT THERE WILL BE ENOUGH LIMITED INSTABILITY
FOR SCATTERED THUNDERSHOWERS FOR THE PERIOD. HIGHS ON FRIDAY WILL BE
AROUND 90 AND LOWS WILL BE IN THE LOW TO MID 70S. WENT CLOSE TO A BLEND
OF GMOS AND MAV GUIDANCE./17/

.LONGTERM...SATURDAY THROUGH NEXT WEDNESDAY...THE REMNANTS OF ISAAC
WILL CONTINUE TO LIFT NORTH...EXITING THE REGION... INTO THE
UPCOMING WEEKEND.  LEFT IN ISAAC'S WAKE THOUGH WILL BE PLENTY OF
MOISTURE SPREAD OVER THE REGION...AS TROUGHING SETS UP OVER MUCH OF
THE EASTERN HALF OF THE UNITED STATES.  ALL OF THIS...IN ADDITION TO
DAYTIME HEATING...WILL RESULT IN MAINLY AFTERNOON ISOLATED TO
SCATTERED SHOWERS AND STORMS REMAINING IN THE FORECAST EACH
DAY...WITH SOME ACTIVITY PERHAPS LINGERING INTO THE NIGHT TIME
HOURS.  OTHERWISE...LOOK FOR A RETURN TO WARM AND HUMID CONDITIONS
HEADING INTO THE MIDDLE OF NEXT WEEK. /19/

&&

.AVIATION...RAIN BANDS ASSOCIATED WITH HURRICANE ISAAC ARE SPIRALING
ACROSS SOUTHERN AND CENTRAL MS LATE THIS AFTERNOON...BUT EXPECT
ACTIVITY TO BE GRADUALLY LIFTING NORTHWARD THROUGH THE EVENING
HOURS. WITHIN RAIN SQUALLS GUSTY WINDS FROM THE EAST AND SOUTHEAST
CAN BE ANTICIPATED...ALONG WITH LOCALLY IFR CONDITIONS. AT LEAST
PATCHY MVFR CEILINGS ARE BEING OBSERVED AT PRESENT IN THE
AERODROME...ESPECIALLY OVER EASTERN AND SOUTHERN MS STATIONS...AND
WILL GRADUALLY BECOME MORE WIDESPREAD AND COVERING UP THE WHOLE
REGION FROM EAST TO WEST TONIGHT THROUGH THURSDAY. NORTHEAST TO EAST
WINDS WILL BE ESPECIALLY GUSTY TODAY SOUTH OF I-20...WITH WINDS
INCREASING IN ALL AREAS TONIGHT AND TOMORROW WHILE VEERING AROUND
MORE TO THE SOUTHEAST IN GRADUAL FASHION. THE STRONGEST WINDS THIS
AFTERNOON THROUGH EARLY TOMORROW SHOULD AFFECT THE HIGHWAY 84
CORRIDOR IN SOUTHERN LA AND NE LA...ESPECIALLY AROUND HEZ. IN
NATCHEZ WIND GUSTS TO AT LEAST 45 TO 50 MPH LOOK PRETTY LIKELY LATER
TONIGHT THROUGH EARLY TOMORROW. 17/BB/

&&

.PRELIMINARY POINT TEMPS/POPS...
JACKSON       76  85  73  89 /  95  92  70  52
MERIDIAN      75  85  72  90 /  70  76  53  52
VICKSBURG     79  85  75  89 /  98 100  81  52
HATTIESBURG   74  86  75  91 /  95  77  49  52
NATCHEZ       75  83  76  89 / 100  91  59  52
GREENVILLE    75  84  74  88 /  62  97  79  52
GREENWOOD     77  84  75  89 /  46  87  66  52

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...FLASH FLOOD WATCH THROUGH THURSDAY EVENING FOR MSZ043>046-
     048>066-072>074.

     TROPICAL STORM WARNING FOR MSZ040-047>049-053>056-059>066-
     072>074.

     FLASH FLOOD WATCH THROUGH LATE THURSDAY NIGHT FOR MSZ034-035-
     040>042-047.

     WIND ADVISORY UNTIL 10 AM CDT THURSDAY FOR MSZ044-045-050>052-
     057-058.

     WIND ADVISORY UNTIL 1 PM CDT THURSDAY FOR MSZ034>037-041>043.

LA...TROPICAL STORM WARNING FOR LAZ007>009-015-016-023>026.

     FLASH FLOOD WATCH THROUGH LATE THURSDAY NIGHT FOR LAZ007>009-015-
     016-023>026.

AR...FLASH FLOOD WATCH THROUGH LATE THURSDAY NIGHT FOR ARZ074-075.

     WIND ADVISORY UNTIL 1 PM CDT THURSDAY FOR ARZ074-075.

&&

17/19/BB
Hazardous weather outlook, Aug 29, 4:16 PM CDT, 5 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
416 PM CDT WED AUG 29 2012

LAZ007>009-015-016-023>026-MSZ047>049-053>056-059>066-072>074-
302115-
MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-MADISON LA-
FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-WARREN-HINDS-RANKIN-
CLAIBORNE-COPIAH-SIMPSON-SMITH-JEFFERSON-ADAMS-FRANKLIN MS-
LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-
FORREST-
416 PM CDT WED AUG 29 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST LOUISIANA...SOUTHERN
MISSISSIPPI...AND PORTIONS OF CENTRAL MISSISSIPPI.

.DAY ONE...TONIGHT AND THURSDAY

AS STRONG TROPICAL STORM ISAAC MOVES SLOWLY NORTHWEST AWAY FROM THE
COAST THROUGH TOMORROW EXPECT WINDS UP TO TROPICAL STORM FORCE TO
AFFECT SOUTHERN AND SOUTHWESTERN PORTIONS OF THE ARKLAMISS. A
TROPICAL STORM WARNING IS IN EFFECT FOR THESE LOCATIONS. OCCASIONAL
WIND GUSTS ABOVE 40 MPH ARE EXPECTED IN THE WARNING AREA...ESPECIALLY
TONIGHT...AND THIS COULD RESULT DOWNED TREES AND AT LEAST ISOLATED
POWER OUTAGES. THE STRONGEST WINDS ARE ANTICIPATED IN PORTIONS OF
SOUTHWEST MISSISSIPPI AND NORTHEAST LOUISIANA WELL SOUTH OF I-20
WHERE GUSTS UP TO 55 ARE NOT OUT OF THE QUESTION TONIGHT INTO EARLY
THURSDAY.

A FLASH FLOOD WATCH IS IN EFFECT FOR HEAVY RAIN EXPECTED TO CONTINUE
THROUGH THURSDAY. RAIN BANDS ASSOCIATED WITH ISAAC WILL PIVOT ACROSS
THE REGION BRINGING RAINFALL RATES OCCASIONALLY IN EXCESS OF AN INCH
PER HOUR. THIS HEAVY RAIN WILL EVENTUALLY RESULT IN FLASH FLOODING IN
SOME AREAS.

IN ADDITION...THE POTENTIAL FOR BRIEF TORNADOES WILL EXPAND FROM
MAINLY SOUTHEASTERN MISSISSIPPI THIS AFTERNOON TO INCLUDE CENTRAL
MISSISSIPPI TONIGHT. THIS RISK WILL ENCOMPASS THE WHOLE OF THE AREA
ON THURSDAY...BUT WILL LIKELY TAPER OFF IN SOUTHEASTERN MISSISSIPPI
IN THE AFTERNOON HOURS.

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY

THE REMNANTS OF ISAAC WILL BE PULLING AWAY FROM OUR REGION INTO
NORTHERN ARKANSAS AND SOUTHERN MISSOURI TOMORROW NIGHT INTO FRIDAY.
LOCALLY HEAVY RAIN AND SOME GUSTY WINDS MAY PERSIST IN AT LEAST THE
ARKLAMISS DELTA THURSDAY EVENING...BUT SHOULD BE DIMINISHING A GREAT
DEAL BY FRIDAY.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS...WILL BE NECESSARY THROUGH TOMORROW.

ARZ074-075-MSZ034>037-040>046-050>052-057-058-302115-
ASHLEY-CHICOT-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-ISSAQUENA-
SHARKEY-YAZOO-MADISON MS-LEAKE-NESHOBA-KEMPER-SCOTT-NEWTON-
LAUDERDALE-JASPER-CLARKE-
416 PM CDT WED AUG 29 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHEAST ARKANSAS AND
PORTIONS OF CENTRAL AND EAST CENTRAL MISSISSIPPI.

.DAY ONE...TONIGHT AND THURSDAY

AS STRONG TROPICAL STORM ISAAC MOVES SLOWLY NORTHWEST AWAY FROM THE
COAST THROUGH TOMORROW EXPECT GUSTY WINDS TO AFFECT EXTREME SOUTHEAST
ARKANSAS AND SOME CENTRAL PORTIONS OF THE ARKLAMISS REGION. A
WIND ADVISORY IN IS IN EFFECT FOR THESE LOCATIONS...AND OCCASIONAL
WIND GUSTS ABOVE 35 ARE POSSIBLE THROUGH AT LEAST EARLY TOMORROW. A
FEW DEAD OR WEAK TREES MAY BE BLOWN DOWN BY LATER TONIGHT AFTER THE
GROUND BECOMES SATURATED.

A FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF THESE AREAS AS HEAVY
RAIN IS EXPECTED TO CONTINUE THROUGH THURSDAY. RAIN BANDS ASSOCIATED
WITH ISAAC WILL PIVOT ACROSS THE REGION BRINGING RAINFALL RATES
OCCASIONALLY IN EXCESS OF AN INCH PER HOUR. THIS HEAVY RAIN WILL
EVENTUALLY RESULT IN AT LEAST ISOLATED FLASH FLOOD POTENTIAL.

IN ADDITION...THE POTENTIAL FOR BRIEF TORNADOES WILL EXPAND FROM
MAINLY SOUTHEASTERN MISSISSIPPI THIS AFTERNOON TO INCLUDE CENTRAL
MISSISSIPPI TONIGHT. THIS RISK WILL ENCOMPASS THE WHOLE OF THE AREA
ON THURSDAY...BUT WILL LIKELY TAPER OFF IN SOUTHEASTERN MISSISSIPPI
IN THE AFTERNOON HOURS.

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY

THE REMNANTS OF ISAAC WILL BE PULLING AWAY FROM OUR REGION INTO
NORTHERN ARKANSAS AND SOUTHERN MISSOURI TOMORROW NIGHT INTO FRIDAY.
LOCALLY HEAVY RAIN AND SOME GUSTY WINDS MAY PERSIST IN AT LEAST THE
ARKLAMISS DELTA THURSDAY EVENING...BUT SHOULD BE DIMINISHING A GREAT
DEAL BY FRIDAY.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS...WILL BE NECESSARY THROUGH TOMORROW.

MSZ018-019-025>033-038-039-302115-
BOLIVAR-SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-
LOWNDES-CHOCTAW-OKTIBBEHA-WINSTON-NOXUBEE-
416 PM CDT WED AUG 29 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
MISSISSIPPI...INCLUDING THE GOLDEN TRIANGLE.

.DAY ONE...TONIGHT AND THURSDAY

AS STRONG TROPICAL STORM ISAAC MOVES SLOWLY NORTHWEST AWAY FROM THE
COAST THROUGH TOMORROW EXPECT LOCALLY HEAVY RAINS TO GRADUALLY
INCREASE OVER NORTH CENTRAL PORTIONS OF MISSISSIPPI...MAINLY ALONG
AND NORTH OF THE HIGHWAY 82 CORRIDOR. RAIN BANDS ASSOCIATED WITH
ISAAC WILL PIVOT ACROSS THE REGION MORE FREQUENTLY LATE TONIGHT INTO
EARLY TOMORROW. THIS HEAVY RAIN MAY EVENTUALLY RESULT IN AT LEAST
A FEW PONDING OF WATER ISSUES BY LATE THURSDAY OR THURSDAY NIGHT.

IN ADDITION...THE POTENTIAL FOR BRIEF TORNADOES SHOULD EXPAND NORTH
INTO THE AREA TOMORROW.

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH TUESDAY

THE REMNANTS OF ISAAC WILL BE PULLING AWAY FROM OUR REGION INTO
NORTHERN ARKANSAS AND SOUTHERN MISSOURI TOMORROW NIGHT INTO FRIDAY.
LOCALLY HEAVY RAIN AND SOME GUSTY WINDS MAY PERSIST IN AT LEAST THE
ARKLAMISS DELTA THURSDAY EVENING...BUT SHOULD BE DIMINISHING A GREAT
DEAL BY FRIDAY.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS...MAY BE NEEDED THROUGH TOMORROW.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN.

50

In the hours before

Local storm report, Aug 29, 8:51 PM CDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
851 PM CDT WED AUG 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     TROPICAL STORM   SANDERSVILLE            31.79N 89.04W
08/28/2012                   JONES              MS   EMERGENCY MNGR

            ONE TREE BLOWN DOWN ACROSS A ROAD.

0151 PM     TROPICAL STORM   HAZLEHURST              31.86N 90.39W
08/29/2012                   COPIAH             MS   EMERGENCY MNGR

            TREES DOWN IN LOCATIONS IN CRYSTAL SPRINGS...
            HOPEWELL...AND HAZLEHURST IN COPIAH COUNTY

0200 PM     TROPICAL STORM   BROOKHAVEN              31.58N 90.45W
08/29/2012                   LINCOLN            MS   EMERGENCY MNGR

            TREES DOWN IN THE CITY AND THROUGHOUT LINCOLN COUNTY

0245 PM     TROPICAL STORM   PURVIS                  31.14N 89.41W
08/29/2012                   LAMAR              MS   EMERGENCY MNGR

            11 TREES WERE REPORTED DOWN WITH 1 ON A HOUSE AND 3 ON
            POWER LINES.

0315 PM     FLASH FLOOD      4 NNW COLUMBIA          31.31N 89.85W
08/29/2012                   MARION             MS   EMERGENCY MNGR

            WATER FLOODING A HOUSE IN THE EXPOSE COMMUNITY
            ...OCCUPANTS BEING EVACUATED

0316 PM     TROPICAL STORM   COLUMBIA                31.26N 89.83W
08/29/2012                   MARION             MS   EMERGENCY MNGR

            TREES DOWN ACROSS THE COUNTY INCLUDING COLUMBIA. POWER
            OUTAGES REPORTED

0347 PM     TROPICAL STORM   MENDENHALL              31.96N 89.87W
08/29/2012                   SIMPSON            MS   PUBLIC

            NUMEROUS TREES DOWN ACROSS SIMPSON COUNTY. POWERLINES
            DOWN AND LARGE POWER OUTAGE NEAR MENDENHALL AS CONFIRMED
            BY UTILITY COMPANY.

0435 PM     FLASH FLOOD      LUMBERTON               31.00N 89.45W
08/29/2012                   LAMAR              MS   DEPT OF HIGHWAYS

            FLOODING WAS REPORTED ON HIGHWAY 11

0455 PM     TROPICAL STORM   NATCHEZ                 31.55N 91.39W
08/29/2012                   ADAMS              MS   NEWSPAPER

            SEVERAL LARGE LIMBS DOWNED...SOME TREES DOWNED AROUND
            ADAMS COUNTY

0500 PM     TROPICAL STORM   PRENTISS                31.60N 89.87W
08/29/2012                   JEFFERSON DAVIS    MS   EMERGENCY MNGR

            SEVERAL LARGE LIMBS AND SOME TREES DOWNED ACROSS
            JEFFERSON DAVIS COUNTY. 0.98 INCH OF RAIN MEASURED SINCE
            THIS MORNING

0500 PM     TROPICAL STORM   HAZLEHURST              31.86N 90.39W
08/29/2012                   COPIAH             MS   EMERGENCY MNGR

            REPORT OF 13 TREES DOWNED ACROSS COPIAH COUNTY

0510 PM     TROPICAL STORM   VICKSBURG               32.33N 90.87W
08/29/2012                   WARREN             MS   EMERGENCY MNGR

            TREE DOWNED ON A HOUSE ON PROSPECT ST IN VICKSBURG. 5
            TREES REPORTED DOWN ACROSS WARREN COUNTY.

0530 PM     TROPICAL STORM   NATCHEZ                 31.55N 91.39W
08/29/2012                   ADAMS              MS   EMERGENCY MNGR

            TREE FELL ON A HOUSE IN NATCHEZ. A FEW DOZEN TREES AND
            LARGE LIMBS HAVE BEEN DOWNED ACROSS ADAMS COUNTY

0600 PM     HEAVY RAIN       5 ENE KOKOMO            31.21N 89.92W
08/29/2012  M6.92 INCH       MARION             MS   MESONET

            5.83 INCHES OF RAIN MEASURED OVER THE PAST 6 HOURS AT THE
            MARION COUNTY RAWS SITE. STORM TOTAL ACCUMULATION OF 6.92
            INCHES

0610 PM     TROPICAL STORM   3 SW BROOKHAVEN         31.54N 90.48W
08/29/2012                   LINCOLN            MS   TRAINED SPOTTER

            TREES DOWNED ALONG I-55 NEAR THE US 84 INTERCHANGE

0620 PM     TROPICAL STORM   BROOKHAVEN              31.58N 90.45W
08/29/2012                   LINCOLN            MS   TRAINED SPOTTER

            WIRES AND A SIGN WERE BLOWN DOWN ON US 84 NEAR BROOKHAVEN

0630 PM     TROPICAL STORM   NATCHEZ                 31.55N 91.39W
08/29/2012                   ADAMS              MS   EMERGENCY MNGR

            A TREE LIMB FELL THROUGH THE WINDSHIELD OF AN ADAMS
            COUNTY SHERIFFS OFFICE VEHICLE. ALSO A UTILITY LINE FELL
            ON A MS HIGHWAY PATROL VEHICLE ON HIGHWAY 61 N. NO
            INJURIES REPORTED.

0700 PM     FLASH FLOOD      COLUMBIA                31.26N 89.83W
08/29/2012                   MARION             MS   LAW ENFORCEMENT

            SEVERAL ROADS FLOODED ACROSS MARION COUNTY

0705 PM     TROPICAL STORM   BAXTERVILLE             31.08N 89.59W
08/29/2012                   LAMAR              MS   EMERGENCY MNGR

            MULTIPLE TREES DOWNED IN LAMAR COUNTY

0705 PM     TROPICAL STORM   4 S BUDE                31.41N 90.85W
08/29/2012                   FRANKLIN           MS   MESONET

            50 MPH WIND GUST MEASURED AT THE BUDE RAWS SITE

0705 PM     FLASH FLOOD      BAXTERVILLE             31.08N 89.59W
08/29/2012                   LAMAR              MS   EMERGENCY MNGR

            SEVEN ROADS CLOSED DUE TO FLOODING IN LAMAR
            COUNTY...MAINLY IN THE SOUTHWEST PART OF THE COUNTY.

0720 PM     FLASH FLOOD      1 SW OAK VALE           31.43N 89.98W
08/29/2012                   LAWRENCE           MS   LAW ENFORCEMENT

            FLOODING REPORTED ON JW JONES ROAD

0720 PM     FLASH FLOOD      1 ENE ARM               31.51N 90.00W
08/29/2012                   LAWRENCE           MS   LAW ENFORCEMENT

            FLOODING ON STAMPS LANE

0720 PM     TROPICAL STORM   MONTICELLO              31.55N 90.11W
08/29/2012                   LAWRENCE           MS   LAW ENFORCEMENT

            SEVERAL TREES AND LIMBS DOWNED ACROSS LAWRENCE COUNTY

0730 PM     TROPICAL STORM   FAYETTE                 31.71N 91.06W
08/29/2012                   JEFFERSON          MS   LAW ENFORCEMENT

            SEVERAL TREES DOWNED ACROSS JEFFERSON COUNTY

0730 PM     TROPICAL STORM   MEADVILLE               31.47N 90.89W
08/29/2012                   FRANKLIN           MS   EMERGENCY MNGR

            SEVERAL TREES AND POWER LINES DOWNED ACROSS FRANKLIN
            COUNTY

0730 PM     TROPICAL STORM   MONTEREY                31.45N 91.72W
08/29/2012                   CATAHOULA          LA   LAW ENFORCEMENT

            A FEW SMALL TREES WERE DOWNED

0740 PM     TROPICAL STORM   COLLINS                 31.64N 89.56W
08/29/2012                   COVINGTON          MS   LAW ENFORCEMENT

            MULTIPLE TREES DOWNED AROUND COVINGTON COUNTY

0755 PM     TROPICAL STORM   BROOKHAVEN              31.58N 90.45W
08/29/2012                   LINCOLN            MS   EMERGENCY MNGR

            SEVERAL TREES ON HOMES IN BROOKHAVEN...AND SEVERAL ROADS
            BLOCKED BY TREES ACROSS THE COUNTY. WINDS ESTIMATED AT
            40-50 MPH.

0805 PM     TROPICAL STORM   4 S BUDE                31.40N 90.85W
08/29/2012                   FRANKLIN           MS   MESONET

            WIND GUST OF 54 MPH MEASURED AT THE BUDE RAWS SITE

0820 PM     TROPICAL STORM   PRENTISS                31.60N 89.87W
08/29/2012                   JEFFERSON DAVIS    MS   EMERGENCY MNGR

            TREES DOWN ACROSS THE COUNTY...POWER OUTAGES AROUND
            BASSFIELD AND IN THE NW PART OF THE COUNTY.

0835 PM     FLASH FLOOD      HATTIESBURG             31.31N 89.31W
08/29/2012                   FORREST            MS   TRAINED SPOTTER

            MULTIPLE RDS AND STREETS AROUND TOWN HAVE ROUGHLY 6
            INCHES OF WATER COVERING THEM...RAIN FALLING HEAVILY.

0840 PM     TROPICAL STORM   2 ENE BROOKLYN          31.07N 89.15W
08/29/2012                   FORREST            MS   EMERGENCY MNGR

            TREES AND POWER LINES DOWNED BLOCKING SHATTLES LOOP

&&

DL
Local storm report, Aug 29, 9:07 PM CDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
907 PM CDT WED AUG 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 PM     TROPICAL STORM   BROOKHAVEN              31.58N 90.45W
08/29/2012                   LINCOLN            MS   AMATEUR RADIO

            TREE DOWN ON A HOUSE...SOME INJURIES

&&

DL
Local storm report, Aug 29, 9:09 PM CDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
909 PM CDT WED AUG 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 PM     COASTAL FLOOD    3 E BAXTERVILLE         31.08N 89.54W
08/29/2012                   LAMAR              MS   EMERGENCY MNGR

            PARTS OF ENTREKIN RD FLOODED...RD IS CLOSED TO TRAFFIC.

&&

DL
Local storm report, Aug 29, 9:11 PM CDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
911 PM CDT WED AUG 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 PM     TROPICAL STORM   HATTIESBURG             31.31N 89.31W
08/29/2012                   FORREST            MS   EMERGENCY MNGR

            MULTIPLE TREES DOWN ACROSS THE COUNTY.

&&

DL
Local storm report, Aug 29, 9:20 PM CDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
920 PM CDT WED AUG 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 PM     HEAVY RAIN       2 W COLUMBIA            31.26N 89.86W
08/29/2012  E9.61 INCH       MARION             MS   OFFICIAL NWS OBS

0900 PM     HEAVY RAIN       COLUMBIA                31.26N 89.83W
08/29/2012  E7.69 INCH       MARION             MS   EMERGENCY MNGR

0900 PM     HEAVY RAIN       BROOKLYN                31.06N 89.19W
08/29/2012  E7.53 INCH       FORREST            MS   OFFICIAL NWS OBS

0900 PM     HEAVY RAIN       4 SSE HATTIESBURG       31.26N 89.28W
08/29/2012  E5.31 INCH       FORREST            MS   ASOS

            AT HBG

0900 PM     HEAVY RAIN       5 SSW HATTIESBURG       31.25N 89.34W
08/29/2012  E7.30 INCH       FORREST            MS   EMERGENCY MNGR

            AT THE EOC

&&

DL
Local storm report, Aug 29, 9:25 PM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
925 PM CDT WED AUG 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0915 PM     TROPICAL STORM   5 E CLINTON             32.34N 90.25W
08/29/2012                   HINDS              MS   EMERGENCY MNGR

            TREES AND POWER LINES DOWNED ALONG REDWOOD AVE AND QUEEN
            MARY LN IN WEST JACKSON

&&

DL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 8:06 PM CDTSpecial Weather StatementJANCovington, Forrest, Jefferson Davis, Lamar, Lawrence, Lincoln and 1 more54 min
Aug 29, 9:28 PM CDTFlash Flood WarningJANCovington, Forrest, Jones, Lamar6 hr
Aug 29, 10:15 PM CDTFlash Flood WarningJANJefferson Davis, Lawrence, Lincoln, Marion5 hr
Aug 29, 11:13 PM CDTSpecial Weather StatementJANCopiah, Hinds, Jasper, Jones, Rankin, Simpson and 1 more57 min
Aug 30, 12:23 AM CDTFlash Flood WarningJANJasper, Smith6 hr
Aug 30, 2:05 AM CDTFlash Flood WarningJANCopiah, Simpson6 hr
Aug 30, 2:10 AM CDTRiver Flood WarningJANJones6 days
Aug 30, 2:52 AM CDTFlash Flood WarningJANClarke6 hr
Aug 30, 2:55 AM CDTTornado WarningJANClarke, Jasper29 min
Aug 30, 3:21 AM CDTFlash Flood Warning EmergencyJANCovington, Forrest, Jones, Lamar6 hr
Aug 30, 3:23 AM CDTFlash Flood WarningJANJefferson Davis, Lawrence, Marion112 min
Aug 30, 3:29 AM CDTFlash Flood WarningJANFranklin, Lincoln6 hr
Aug 30, 5:06 AM CDTTornado WarningJANClarke, Lauderdale24 min
Aug 30, 5:07 AM CDTFlash Flood WarningJANJefferson Davis, Lamar, Lawrence, Marion4 hr
Aug 30, 5:45 AM CDTTornado WarningJANClarke, Lauderdale45 min
Aug 30, 6:40 AM CDTTornado WarningJANNeshoba, Newton23 min
Aug 30, 6:52 AM CDTTornado WarningJANClarke, Lauderdale53 min
Aug 30, 7:21 AM CDTFlash Flood WarningJANLauderdale, Newton6 hr
Aug 30, 7:35 AM CDTFlash Flood WarningJANHinds, Rankin6 hr
Aug 30, 7:37 AM CDTTornado WarningJANClarke29 min
Aug 30, 7:41 AM CDTTornado WarningJANKemper, Lauderdale, Neshoba, Newton27 min
Aug 30, 8:09 AM CDTFlash Flood WarningJANCopiah, Simpson5 hr
Aug 30, 8:29 AM CDTTornado WarningJANClarke46 min
Aug 30, 8:37 AM CDTFlash Flood WarningJANClarke5 hr
Aug 30, 8:57 AM CDTFlash Flood WarningJANLamar, Marion4 hr
Aug 30, 9:10 AM CDTTornado WarningJANCovington, Forrest, Jones, Lamar36 min
Aug 30, 9:14 AM CDTFlash Flood WarningJANCovington, Jefferson Davis, Lawrence4 hr
Aug 30, 9:36 AM CDTTornado WarningJANClarke39 min
Aug 30, 9:41 AM CDTFlash Flood WarningJANLincoln4 hr
Aug 30, 10:12 AM CDTRiver Flood WarningJANAttala, Holmes12 hr
Aug 30, 10:14 AM CDTTornado WarningJANClarke, Lauderdale46 min
Aug 30, 10:21 AM CDTRiver Flood WarningJANCovington, Forrest47 hr
Aug 30, 10:24 AM CDTRiver Flood WarningJANClarke34 hr
Aug 30, 10:36 AM CDTFlash Flood WarningJANForrest3 hr
Aug 30, 10:54 AM CDTRiver Flood WarningJANLeake10 hr
Aug 30, 11:28 AM CDTFlash Flood WarningJANJones107 min
Aug 30, 11:30 AM CDTRiver Flood WarningJANCopiah, Simpson10 hr
Aug 30, 11:30 AM CDTRiver Flood WarningJANLawrence4 days
Aug 30, 11:30 AM CDTRiver Flood WarningJANMarion56 hr
Aug 30, 11:30 AM CDTRiver Flood WarningJANSimpson10 hr
Aug 30, 12:37 PM CDTAreal Flood WarningJANCovington, Forrest, Jefferson Davis, Jones, Lamar, Lawrence and 1 more12 hr
Aug 30, 12:57 PM CDTAreal Flood WarningJANCopiah, Hinds, Lincoln, Rankin, Simpson12 hr
Aug 30, 1:38 PM CDTTornado WarningJANKemper, Lauderdale34 min
Aug 30, 3:37 PM CDTFlash Flood WarningJANForrest, Lamar5 hr
Aug 30, 4:53 PM CDTFlash Flood WarningJANWashington112 min
Aug 30, 4:57 PM CDTFlash Flood WarningJANJones3 hr
Aug 30, 5:16 PM CDTTornado WarningJANForrest14 min
Aug 30, 6:25 PM CDTAreal Flood WarningJANLauderdale8 hr
Aug 30, 6:39 PM CDTFlash Flood WarningJANBolivar, Washington111 min
Aug 30, 6:50 PM CDTSpecial Weather StatementJANClaiborne, Warren45 min

Nearby

Flash Flood Warnings in Mississippi, 2012Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.