Alert archive / Mississippi / Flash Flood Watches in 2012

Flash Flood Watch 4, NWS Jackson, MS

March 20, 20129 parishes in Louisiana; 44 counties in Mississippi; Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this flash flood watch at Mar 20, 2012, 4:36 AM CDT for 9 parishes in Louisiana; 44 counties in Mississippi; Ashley County, Chicot County, Arkansas. It took effect at Mar 21, 2012, 3:00 AM CDT. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued
Mar 20, 2012, 4:36 AM CDT (09:36 UTC)
In effect from
Mar 21, 2012, 3:00 AM CDT
Expired
Mar 22, 2012, 4:03 AM CDT
In force
25 hr
Issued by
NWS Jackson, MS
Flood severity
None
All 55 counties

Ashley County, AR, Chicot County, AR, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Adams County, MS, Attala County, MS, Carroll County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Clay County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 25 km from the middle of the area, began a volume at 09:36 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.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 9.6 hours before the alert went out and 16 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 2012-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 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 00:00Z on 2012-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.193958Sfc1 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
19 J/kg
Mixed-layer CIN
-290 J/kg
Mixed-layer LCL
1602 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
100 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.

414 
WGUS64 KJAN 200936
FFAJAN

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE JACKSON MS
436 AM CDT TUE MAR 20 2012

...A SLOW MOVING COLD FRONT WILL BRING HEAVY RAINS TO THE ARKLAMISS
STARTING WEDNESDAY MORNING...

ARZ074-075-LAZ007>009-015-016-023>026-MSZ034-040-041-047-053-
059>061-201745-
/O.NEW.KJAN.FF.A.0004.120321T1200Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-WASHINGTON-
ISSAQUENA-SHARKEY-WARREN-CLAIBORNE-JEFFERSON-ADAMS-FRANKLIN MS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...
ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...
GREENVILLE...MAYERSVILLE...ROLLING FORK...ANGUILLA...VICKSBURG...
PORT GIBSON...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE
436 AM CDT TUE MAR 20 2012

...FLASH FLOOD WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF SOUTHEAST ARKANSAS... 
  NORTHEAST LOUISIANA AND MISSISSIPPI. 

* FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL BEGIN TO IMPACT THE ARKLAMISS ON WED
  MORNING. THE SLOW MOVEMENT OF THIS SYSTEM WILL ALLOW STORMS TO
  REPEATEDLY MOVE OVER THE SAME LOCATIONS INCREASING THE RISK OF
  FLASH FLOODING. RAINFALL TOTALS OF 3 TO 5 INCHES WILL BE POSSIBLE
  ALONG WITH LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS SHOULD COME TO
  AN END WEDNESDAY EVENING OR OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

MSZ035-042-043-048-049-054>056-062>066-072>074-201745-
/O.NEW.KJAN.FF.A.0004.120322T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUMPHREYS-YAZOO-MADISON MS-HINDS-RANKIN-COPIAH-SIMPSON-SMITH-
LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-
FORREST-
INCLUDING THE CITIES OF...BELZONI...ISOLA...YAZOO CITY...
RIDGELAND...MADISON...CANTON...JACKSON...PEARL...BRANDON...
RICHLAND...CRYSTAL SPRINGS...HAZLEHURST...WESSON...MAGEE...
MENDENHALL...TAYLORSVILLE...RALEIGH...BROOKHAVEN...MONTICELLO...
NEW HEBRON...PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...
LAUREL...COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...
HATTIESBURG
436 AM CDT TUE MAR 20 2012

...FLASH FLOOD WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY MORNING...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL MISSISSIPPI...SOUTH 
  CENTRAL MISSISSIPPI AND SOUTHEAST MISSISSIPPI. 

* FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL BEGIN TO IMPACT THE ARKLAMISS ON WED
  MORNING. THE SLOW MOVEMENT OF THIS SYSTEM WILL ALLOW STORMS TO
  REPEATEDLY MOVE OVER THE SAME LOCATIONS INCREASING THE RISK OF
  FLASH FLOODING. RAINFALL TOTALS OF 3 TO 5 INCHES WILL BE POSSIBLE
  ALONG WITH LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS SHOULD COME TO
  AN END EARLY THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

BK
7 follow-up statements
604 
WGUS64 KJAN 202033
FFAJAN

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE JACKSON MS
333 PM CDT TUE MAR 20 2012

...A SLOW MOVING COLD FRONT WILL BRING HEAVY RAINS TO THE
ARKLAMISS STARTING EARLY WEDNESDAY MORNING...

ARZ074-075-LAZ007>009-015-016-023>026-MSZ034-040-041-047-053-
059>061-210445-
/O.EXT.KJAN.FF.A.0004.120321T0800Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-WASHINGTON-
ISSAQUENA-SHARKEY-WARREN-CLAIBORNE-JEFFERSON-ADAMS-FRANKLIN MS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...
ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...
GREENVILLE...MAYERSVILLE...ROLLING FORK...ANGUILLA...VICKSBURG...
PORT GIBSON...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE
333 PM CDT TUE MAR 20 2012

...FLASH FLOOD WATCH NOW IN EFFECT FROM 3 AM CDT WEDNESDAY
THROUGH THURSDAY MORNING...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA AND 
  MISSISSIPPI. 

* FROM 3 AM CDT WEDNESDAY THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL BEGIN TO IMPACT THE ARKLAMISS LATE
  TONIGHT AND EARLY WEDNESDAY MORNING. THE SLOW MOVEMENT OF THIS
  SYSTEM WILL ALLOW STORMS TO REPEATEDLY MOVE NORTHWARD OVER THE
  SAME LOCATIONS INCREASING THE RISK OF FLASH FLOODING AS THE GROUND
  SATURATES. RAINFALL TOTALS OF 3 TO 5 INCHES WILL BE POSSIBLE ALONG
  WITH LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS SHOULD TAPER OFF AND
  END SOMETIME WEDNESDAY EVENING OR OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

MSZ035-042-043-048-049-054>056-062>066-072>074-210445-
/O.CON.KJAN.FF.A.0004.120322T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUMPHREYS-YAZOO-MADISON MS-HINDS-RANKIN-COPIAH-SIMPSON-SMITH-
LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-
FORREST-
INCLUDING THE CITIES OF...BELZONI...ISOLA...YAZOO CITY...
RIDGELAND...MADISON...CANTON...JACKSON...PEARL...BRANDON...
RICHLAND...CRYSTAL SPRINGS...HAZLEHURST...WESSON...MAGEE...
MENDENHALL...TAYLORSVILLE...RALEIGH...BROOKHAVEN...MONTICELLO...
NEW HEBRON...PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...
LAUREL...COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...
HATTIESBURG
333 PM CDT TUE MAR 20 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL MISSISSIPPI...SOUTH CENTRAL MISSISSIPPI 
  AND SOUTHEAST MISSISSIPPI. 

* FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL BEGIN TO IMPACT THE ARKLAMISS ON
  WEDNESDAY. THE SLOW MOVEMENT OF THIS SYSTEM WILL ALLOW STORMS TO
  REPEATEDLY MOVE NORTHWARD OVER THE SAME LOCATIONS INCREASING THE
  RISK OF FLASH FLOODING AS THE GROUND SATURATES. RAINFALL TOTALS OF
  3 TO 5 INCHES WILL BE POSSIBLE ALONG WITH LOCALLY HIGHER AMOUNTS.
  THE HEAVY RAINS SHOULD TAPER OFF AND END SOMETIME THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

5/40
010 
WGUS64 KJAN 210939
FFAJAN

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE JACKSON MS
439 AM CDT WED MAR 21 2012

...A SLOW MOVING COLD FRONT WILL BRING HEAVY RAINS TO THE ARKLAMISS
STARTING THIS MORNING...

MSZ048-054-062-211745-
/O.EXT.KJAN.FF.A.0004.120321T0939Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HINDS-COPIAH-LINCOLN-
INCLUDING THE CITIES OF...JACKSON...CRYSTAL SPRINGS...
HAZLEHURST...WESSON...BROOKHAVEN
439 AM CDT WED MAR 21 2012

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THURSDAY MORNING...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF CENTRAL MISSISSIPPI.

* THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL BEGIN TO IMPACT THE ARKLAMISS THIS
  MORNING. THE SLOW MOVEMENT OF THIS SYSTEM WILL ALLOW STORMS TO
  REPEATEDLY MOVE NORTHWARD OVER THE SAME LOCATIONS INCREASING THE
  RISK OF FLASH FLOODING AS THE GROUND SATURATES. RAINFALL TOTALS OF
  3 TO 5 INCHES WILL BE POSSIBLE ALONG WITH LOCALLY HIGHER AMOUNTS.
  THE HEAVY RAINS SHOULD TAPER OFF THURSDAY MORNING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

ARZ074-075-LAZ007>009-015-016-023>026-MSZ034-040-041-047-053-
059>061-211745-
/O.CON.KJAN.FF.A.0004.000000T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-WASHINGTON-
ISSAQUENA-SHARKEY-WARREN-CLAIBORNE-JEFFERSON-ADAMS-FRANKLIN MS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...
ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...
GREENVILLE...MAYERSVILLE...ROLLING FORK...ANGUILLA...VICKSBURG...
PORT GIBSON...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE
439 AM CDT WED MAR 21 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA AND 
  MISSISSIPPI. 

* THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL BEGIN TO IMPACT THE ARKLAMISS THIS
  MORNING. THE SLOW MOVEMENT OF THIS SYSTEM WILL ALLOW STORMS TO
  REPEATEDLY MOVE NORTHWARD OVER THE SAME LOCATIONS INCREASING THE
  RISK OF FLASH FLOODING AS THE GROUND SATURATES. RAINFALL TOTALS OF
  3 TO 5 INCHES WILL BE POSSIBLE ALONG WITH LOCALLY HIGHER AMOUNTS.
  THE HEAVY RAINS MAY TAPER OFF WEST OF THE MISSISSIPPI RIVER BY THIS
  EVENING...ENDING ELSEWHERE LATE TONIGHT OR EARLY THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

MSZ035-042-043-049-055-056-063>066-072>074-211745-
/O.CON.KJAN.FF.A.0004.120322T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUMPHREYS-YAZOO-MADISON MS-RANKIN-SIMPSON-SMITH-LAWRENCE-
JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
INCLUDING THE CITIES OF...BELZONI...ISOLA...YAZOO CITY...
RIDGELAND...MADISON...CANTON...PEARL...BRANDON...RICHLAND...
MAGEE...MENDENHALL...TAYLORSVILLE...RALEIGH...MONTICELLO...
NEW HEBRON...PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...
LAUREL...COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...
HATTIESBURG
439 AM CDT WED MAR 21 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL MISSISSIPPI...SOUTH CENTRAL MISSISSIPPI 
  AND SOUTHEAST MISSISSIPPI. 

* FROM THIS EVENING THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL BEGIN TO IMPACT AREAS EAST OF I-55 THIS
  EVENING. THE SLOW MOVEMENT OF THIS SYSTEM WILL ALLOW STORMS TO
  REPEATEDLY MOVE NORTHWARD OVER THE SAME LOCATIONS INCREASING THE
  RISK OF FLASH FLOODING AS THE GROUND SATURATES. RAINFALL TOTALS OF
  3 TO 5 INCHES WILL BE POSSIBLE ALONG WITH LOCALLY HIGHER AMOUNTS.
  THE HEAVY RAINS SHOULD TAPER OFF AND END SOMETIME THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

BK
682 
WGUS64 KJAN 211650
FFAJAN

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE JACKSON MS
1150 AM CDT WED MAR 21 2012

...A SLOW MOVING COLD FRONT WILL BRING HEAVY RAINS TO THE
ARKLAMISS STARTING THIS MORNING...

MSZ035-042-043-049-055-056-063>066-072>074-220100-
/O.EXT.KJAN.FF.A.0004.120321T1800Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUMPHREYS-YAZOO-MADISON MS-RANKIN-SIMPSON-SMITH-LAWRENCE-
JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
INCLUDING THE CITIES OF...BELZONI...ISOLA...YAZOO CITY...
RIDGELAND...MADISON...CANTON...PEARL...BRANDON...RICHLAND...
MAGEE...MENDENHALL...TAYLORSVILLE...RALEIGH...MONTICELLO...
NEW HEBRON...PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...
LAUREL...COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...
HATTIESBURG
1150 AM CDT WED MAR 21 2012

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THURSDAY MORNING...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF CENTRAL MISSISSIPPI...SOUTH CENTRAL MISSISSIPPI 
  AND SOUTHEAST MISSISSIPPI. 

* THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL BEGIN TO IMPACT AREAS ALONG AND SOUTH OF
  A GREENVILLE MISSISSIPPI TO LAUREL MISSISSIPPI LINE INCLUDING
  EXTREME SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA. THE SLOW
  MOVEMENT OF THIS SYSTEM WILL ALLOW STORMS TO REPEATEDLY MOVE
  NORTHWARD OVER THE SAME LOCATIONS INCREASING THE RISK OF FLASH
  FLOODING AS THE GROUND SATURATES. RAINFALL TOTALS OF 3 TO 5 INCHES
  WILL BE POSSIBLE ALONG WITH LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS
  SHOULD TAPER OFF AND END SOMETIME THURSDAY MORNING.

* LOCALIZED FLASH FLOODING HAS BEEN REPORTED ACROSS NORTHEAST
  LOUISIANA AND PORTIONS OF SW MISSISSIPPI DUE TO ONE TO TWO INCH
  HOURLY RAINFALL RATES ALONG A POTENT LINE OF HEAVY SHOWERS AND
  THUNDERSTORMS CURRENTLY MAKING THERE WAY ACROSS CENTRAL
  MISSISSIPPI. EXCESSIVE TRAINING OF STORMS LOOKS PROBABLE THROUGH
  THE AFTERNOON HOURS..POSING AN INCREASED RISK TO ADDITIONAL FLASH
  AND RIVER FLOODING. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

ARZ074-075-LAZ007>009-015-016-023>026-MSZ034-040-041-047-048-053-
054-059>062-220100-
/O.CON.KJAN.FF.A.0004.000000T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-WASHINGTON-
ISSAQUENA-SHARKEY-WARREN-HINDS-CLAIBORNE-COPIAH-JEFFERSON-ADAMS-
FRANKLIN MS-LINCOLN-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...
ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...
GREENVILLE...MAYERSVILLE...ROLLING FORK...ANGUILLA...VICKSBURG...
JACKSON...PORT GIBSON...CRYSTAL SPRINGS...HAZLEHURST...WESSON...
FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE...BROOKHAVEN
1150 AM CDT WED MAR 21 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA AND 
  MISSISSIPPI. 

* THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW 
  PRESSURE SYSTEM AND COLD FRONT WILL BEGIN TO IMPACT THE 
  ARKLAMISS THIS MORNING. THE SLOW MOVEMENT OF THIS SYSTEM WILL 
  ALLOW STORMS TO REPEATEDLY MOVE NORTHWARD OVER THE SAME 
  LOCATIONS INCREASING THE RISK OF FLASH FLOODING AS THE GROUND 
  SATURATES. RAINFALL TOTALS OF 3 TO 5 INCHES WILL BE POSSIBLE 
  ALONG WITH LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS MAY TAPER 
  OFF WEST OF THE MISSISSIPPI RIVER BY THIS EVENING...ENDING 
  ELSEWHERE LATE TONIGHT OR EARLY THURSDAY MORNING. 

* LOCALIZED FLASH FLOODING HAS BEEN REPORTED ACROSS NORTHEAST
  LOUISIANA AND PORTIONS OF SW MISSISSIPPI DUE TO ONE TO TWO INCH
  HOURLY RAINFALL RATES ALONG A POTENT LINE OF HEAVY SHOWERS AND
  THUNDERSTORMS CURRENTLY MAKING THERE WAY ACROSS CENTRAL
  MISSISSIPPI. EXCESSIVE TRAINING OF STORMS LOOKS PROBABLE THROUGH
  THE AFTERNOON HOURS..POSING AN INCREASED RISK TO ADDITIONAL FLASH
  AND RIVER FLOODING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$


ALLEN
972 
WGUS64 KJAN 212010
FFAJAN

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE JACKSON MS
310 PM CDT WED MAR 21 2012

...A SLOW MOVING COLD FRONT WILL BRING HEAVY RAINS TO THE
ARKLAMISS STARTING THIS MORNING...

ARZ074-075-LAZ007>009-015-016-023>026-MSZ034-035-040-041-212115-
/O.CAN.KJAN.FF.A.0004.000000T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-WASHINGTON-
HUMPHREYS-ISSAQUENA-SHARKEY-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...WINNSBORO...JONESVILLE...HARRISONBURG...NEWELLTON...
ST. JOSEPH...WATERPROOF...VIDALIA...FERRIDAY...WEST FERRIDAY...
GREENVILLE...BELZONI...ISOLA...MAYERSVILLE...ROLLING FORK...
ANGUILLA
310 PM CDT WED MAR 21 2012

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF SOUTHEAST ARKANSAS...
NORTHEAST LOUISIANA AND MISSISSIPPI HAS BEEN CANCELLED. 

THE HEAVIER RAIN AXIS HAS PUSHED EAST OF THIS REGION AS THE COLD
FRONT AND DRIER HAVE PUSHED INTO THE REGION. WHILE SOME ADDITIONAL
LIGHT TO MODERATE ACCUMULATIONS WILL BE POSSIBLE...RAINFALL RATES AND
THUS ACCUMULATION RATES WILL BE LOW. THIS WILL ALLOW FOR ANY EXCESS
RUNOFF AND INUNDATED LOW-LYING AREAS TO CONTINUE TO RECEDE. 

$$

MSZ030>033-038-039-044>046-050>052-057-058-220415-
/O.EXB.KJAN.FF.A.0004.000000T0000Z-120323T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-WINSTON-NOXUBEE-LEAKE-NESHOBA-
KEMPER-SCOTT-NEWTON-LAUDERDALE-JASPER-CLARKE-
INCLUDING THE CITIES OF...WEST POINT...COLUMBUS...ACKERMAN...
WEIR...STARKVILLE...LOUISVILLE...MACON...BROOKSVILLE...CARTHAGE...
PHILADELPHIA...PEARL RIVER...DE KALB...SCOOBA...FOREST...MORTON...
NEWTON...UNION...DECATUR...CONEHATTA...MERIDIAN...BAY SPRINGS...
HEIDELBERG...QUITMAN...STONEWALL...SHUBUTA
310 PM CDT WED MAR 21 2012

...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY EVENING...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF CENTRAL MISSISSIPPI...
   EAST CENTRAL MISSISSIPPI AND NORTHEAST MISSISSIPPI. 

* THROUGH THURSDAY EVENING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL CONTINUE TO IMPACT AREAS ALONG AND
  SOUTHEAST OF A GRENADA MISSISSIPPI TO NATCHEZ MISSISSIPPI LINE FOR
  A LARGE PORTION OF CENTRAL AND SOUTH MISSISSIPPI. THE SLOW MOVEMENT
  OF THIS SYSTEM WILL ALLOW STORMS TO REPEATEDLY MOVE NORTHWARD OVER
  THE SAME LOCATIONS INCREASING THE RISK OF FLASH FLOODING AS THE
  GROUND SATURATES. RAINFALL TOTALS OF 3 TO 5 INCHES WILL BE POSSIBLE
  ALONG WITH LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS SHOULD TAPER OFF
  AND END SOMETIME THURSDAY MORNING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

MSZ026>029-036-037-220415-
/O.EXA.KJAN.FF.A.0004.000000T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRENADA-CARROLL-MONTGOMERY-WEBSTER-HOLMES-ATTALA-
INCLUDING THE CITIES OF...GRENADA...VAIDEN...NORTH CARROLLTON...
CARROLLTON...WINONA...EUPORA...MABEN...MATHISTON...DURANT...
TCHULA...LEXINGTON...PICKENS...GOODMAN...KOSCIUSKO
310 PM CDT WED MAR 21 2012

...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF CENTRAL MISSISSIPPI 
  AND NORTH CENTRAL MISSISSIPPI. 

* THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL BEGIN TO IMPACT AREAS ALONG AND
  SOUTHEAST OF A STARKVILLE MISSISSIPPI TO COLUMBIA MISSISSIPPI
  COVERING MUCH OF EASTERN MISSISSIPPI. THE SLOW MOVEMENT OF THIS
  SYSTEM WILL ALLOW STORMS TO REPEATEDLY MOVE NORTHWARD OVER THE SAME
  LOCATIONS INCREASING THE RISK OF FLASH FLOODING AS THE GROUND
  SATURATES. RAINFALL TOTALS OF 2 TO 4 INCHES WILL BE POSSIBLE ALONG
  WITH LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS SHOULD TAPER OFF AND
  END SOMETIME THURSDAY MORNING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

MSZ055-056-063>066-072>074-220415-
/O.EXT.KJAN.FF.A.0004.000000T0000Z-120323T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SIMPSON-SMITH-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-
LAMAR-FORREST-
INCLUDING THE CITIES OF...MAGEE...MENDENHALL...TAYLORSVILLE...
RALEIGH...MONTICELLO...NEW HEBRON...PRENTISS...BASSFIELD...
COLLINS...MOUNT OLIVE...LAUREL...COLUMBIA...WEST HATTIESBURG...
LUMBERTON...PURVIS...HATTIESBURG
310 PM CDT WED MAR 21 2012

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THURSDAY EVENING...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF CENTRAL MISSISSIPPI...SOUTH CENTRAL MISSISSIPPI 
  AND SOUTHEAST MISSISSIPPI. 

* THROUGH THURSDAY EVENING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL CONTINUE TO IMPACT THIS REGION TONIGHT
  THROUGH THURSDAY AFTERNOON. THE SLOW MOVEMENT OF THIS SYSTEM WILL
  ALLOW STORMS TO REPEATEDLY MOVE NORTHWARD OVER THE SAME LOCATIONS
  INCREASING THE RISK OF FLASH FLOODING AS THE GROUND SATURATES.
  RAINFALL TOTALS OF 2 TO 4 INCHES WILL BE POSSIBLE ALONG WITH
  LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS SHOULD TAPER OFF AND END
  SOMETIME THURSDAY MORNING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

MSZ042-043-047>049-053-054-059>062-220415-
/O.CON.KJAN.FF.A.0004.000000T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YAZOO-MADISON MS-WARREN-HINDS-RANKIN-CLAIBORNE-COPIAH-JEFFERSON-
ADAMS-FRANKLIN MS-LINCOLN-
INCLUDING THE CITIES OF...YAZOO CITY...RIDGELAND...MADISON...
CANTON...VICKSBURG...JACKSON...PEARL...BRANDON...RICHLAND...
PORT GIBSON...CRYSTAL SPRINGS...HAZLEHURST...WESSON...FAYETTE...
NATCHEZ...BUDE...ROXIE...MEADVILLE...BROOKHAVEN
310 PM CDT WED MAR 21 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL MISSISSIPPI...SOUTH CENTRAL MISSISSIPPI... 
  SOUTHWEST MISSISSIPPI AND WEST CENTRAL MISSISSIPPI. 

* THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL CONTINUE TO IMPACT THE ARKLAMISS THIS
  AFTERNOON THROUGH TOMORROW MORNING. THE SLOW MOVEMENT OF THIS
  SYSTEM WILL ALLOW STORMS TO REPEATEDLY MOVE NORTHWARD OVER THE SAME
  LOCATIONS INCREASING THE RISK OF FLASH FLOODING AS THE GROUND
  SATURATES. RAINFALL TOTALS OF 3 TO 5 INCHES WILL BE POSSIBLE ALONG
  WITH LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS MAY TAPER OFF WEST OF
  THE MISSISSIPPI RIVER BY THIS EVENING...ENDING ELSEWHERE LATE
  TONIGHT OR EARLY THURSDAY MORNING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

ALLEN
806 
WGUS64 KJAN 212040
FFAJAN

FLOOD WATCH
NATIONAL WEATHER SERVICE JACKSON MS
340 PM CDT WED MAR 21 2012

...A SLOW MOVING COLD FRONT WILL BRING HEAVY RAINS TO THE
ARKLAMISS CONTINUING THIS AFTERNOON INTO THURSDAY MORNING AND
AFTERNOON...

MSZ030>033-038-039-044>046-050>052-055>058-063>066-072>074-220445-
/O.CON.KJAN.FF.A.0004.000000T0000Z-120323T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-WINSTON-NOXUBEE-LEAKE-NESHOBA-
KEMPER-SCOTT-NEWTON-LAUDERDALE-SIMPSON-SMITH-JASPER-CLARKE-
LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
INCLUDING THE CITIES OF...WEST POINT...COLUMBUS...ACKERMAN...
WEIR...STARKVILLE...LOUISVILLE...MACON...BROOKSVILLE...CARTHAGE...
PHILADELPHIA...PEARL RIVER...DE KALB...SCOOBA...FOREST...MORTON...
NEWTON...UNION...DECATUR...CONEHATTA...MERIDIAN...MAGEE...
MENDENHALL...TAYLORSVILLE...RALEIGH...BAY SPRINGS...HEIDELBERG...
QUITMAN...STONEWALL...SHUBUTA...MONTICELLO...NEW HEBRON...
PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...LAUREL...
COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...HATTIESBURG
340 PM CDT WED MAR 21 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL MISSISSIPPI...EAST CENTRAL MISSISSIPPI... 
  NORTHEAST MISSISSIPPI...SOUTH CENTRAL MISSISSIPPI AND 
  SOUTHEAST MISSISSIPPI. 

* THROUGH THURSDAY EVENING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL CONTINUE TO IMPACT AREAS ALONG AND
  SOUTHEAST OF A GRENADA MISSISSIPPI TO NATCHEZ MISSISSIPPI LINE FOR
  A LARGE PORTION OF CENTRAL AND SOUTH MISSISSIPPI THIS AFTERNOON
  THROUGH TOMORROW AFTERNOON. THE SLOW MOVEMENT OF THIS SYSTEM WILL
  ALLOW STORMS TO REPEATEDLY MOVE NORTHWARD OVER THE SAME LOCATIONS
  INCREASING THE RISK OF FLASH FLOODING AS THE GROUND SATURATES.
  RAINFALL TOTALS OF 3 TO 5 INCHES WILL BE POSSIBLE ALONG WITH
  LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS SHOULD TAPER OFF AND END
  SOMETIME THURSDAY MORNING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

MSZ026>029-036-037-042-043-047>049-053-054-059>062-220445-
/O.CON.KJAN.FF.A.0004.000000T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRENADA-CARROLL-MONTGOMERY-WEBSTER-HOLMES-ATTALA-YAZOO-MADISON MS-
WARREN-HINDS-RANKIN-CLAIBORNE-COPIAH-JEFFERSON-ADAMS-FRANKLIN MS-
LINCOLN-
INCLUDING THE CITIES OF...GRENADA...VAIDEN...NORTH CARROLLTON...
CARROLLTON...WINONA...EUPORA...MABEN...MATHISTON...DURANT...
TCHULA...LEXINGTON...PICKENS...GOODMAN...KOSCIUSKO...YAZOO CITY...
RIDGELAND...MADISON...CANTON...VICKSBURG...JACKSON...PEARL...
BRANDON...RICHLAND...PORT GIBSON...CRYSTAL SPRINGS...HAZLEHURST...
WESSON...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE...
BROOKHAVEN
340 PM CDT WED MAR 21 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL MISSISSIPPI...NORTH CENTRAL MISSISSIPPI... 
  SOUTH CENTRAL MISSISSIPPI...SOUTHWEST MISSISSIPPI AND WEST 
  CENTRAL MISSISSIPPI. 

* THROUGH THURSDAY MORNING

* HEAVY RAINS ASSOCIATED WITH A STRONG...SLOW MOVING LOW PRESSURE
  SYSTEM AND COLD FRONT WILL CONTINUE TO IMPACT THE ARKLAMISS THIS
  AFTERNOON THROUGH TOMORROW MORNING. THE SLOW MOVEMENT OF THIS
  SYSTEM WILL ALLOW STORMS TO REPEATEDLY MOVE NORTHWARD OVER THE SAME
  LOCATIONS INCREASING THE RISK OF FLASH FLOODING AS THE GROUND
  SATURATES. RAINFALL TOTALS OF 3 TO 5 INCHES WILL BE POSSIBLE ALONG
  WITH LOCALLY HIGHER AMOUNTS. THE HEAVY RAINS MAY TAPER OFF WEST OF
  THE MISSISSIPPI RIVER BY THIS EVENING...ENDING ELSEWHERE LATE
  TONIGHT OR EARLY THURSDAY MORNING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

ALLEN
411 
WGUS64 KJAN 220255
FFAJAN

FLOOD WATCH
NATIONAL WEATHER SERVICE JACKSON MS
955 PM CDT WED MAR 21 2012

...A SLOW MOVING COLD FRONT WILL BRING HEAVY RAINS TO THE
ARKLAMISS CONTINUING THIS AFTERNOON INTO THURSDAY MORNING AND
AFTERNOON...

MSZ030>033-038-039-044>046-050>052-055>058-063>066-072>074-221100-
/O.CON.KJAN.FF.A.0004.000000T0000Z-120323T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-WINSTON-NOXUBEE-LEAKE-NESHOBA-
KEMPER-SCOTT-NEWTON-LAUDERDALE-SIMPSON-SMITH-JASPER-CLARKE-
LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
INCLUDING THE CITIES OF...WEST POINT...COLUMBUS...ACKERMAN...
WEIR...STARKVILLE...LOUISVILLE...MACON...BROOKSVILLE...CARTHAGE...
PHILADELPHIA...PEARL RIVER...DE KALB...SCOOBA...FOREST...MORTON...
NEWTON...UNION...DECATUR...CONEHATTA...MERIDIAN...MAGEE...
MENDENHALL...TAYLORSVILLE...RALEIGH...BAY SPRINGS...HEIDELBERG...
QUITMAN...STONEWALL...SHUBUTA...MONTICELLO...NEW HEBRON...
PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...LAUREL...
COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...HATTIESBURG
955 PM CDT WED MAR 21 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL MISSISSIPPI...EAST CENTRAL MISSISSIPPI... 
  NORTHEAST MISSISSIPPI...SOUTH CENTRAL MISSISSIPPI AND 
  SOUTHEAST MISSISSIPPI. 

* THROUGH THURSDAY EVENING

* PERIODS OF HEAVY RAINFALL WILL CONTINUE TO AFFECT THE AREA AHEAD OF
  A SLOW MOVING COLD FRONT. SLOW MOVING THUNDERSTORMS COULD BRING AN
  ADDITIONAL TWO TO THREE INCHES OF RAINFALL AS WE GO THROUGH
  THURSDAY. SOILS ARE SATURATED AND THIS ADDITIONAL HEAVY RAINFALL
  WILL RESULT IN RAPID RUN-OFF AND THE POTENTIAL FOR FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

MSZ026>029-036-037-042-043-047>049-053-054-059>062-221100-
/O.CON.KJAN.FF.A.0004.000000T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRENADA-CARROLL-MONTGOMERY-WEBSTER-HOLMES-ATTALA-YAZOO-MADISON MS-
WARREN-HINDS-RANKIN-CLAIBORNE-COPIAH-JEFFERSON-ADAMS-FRANKLIN MS-
LINCOLN-
INCLUDING THE CITIES OF...GRENADA...VAIDEN...NORTH CARROLLTON...
CARROLLTON...WINONA...EUPORA...MABEN...MATHISTON...DURANT...
TCHULA...LEXINGTON...PICKENS...GOODMAN...KOSCIUSKO...YAZOO CITY...
RIDGELAND...MADISON...CANTON...VICKSBURG...JACKSON...PEARL...
BRANDON...RICHLAND...PORT GIBSON...CRYSTAL SPRINGS...HAZLEHURST...
WESSON...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE...
BROOKHAVEN
955 PM CDT WED MAR 21 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT THURSDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL MISSISSIPPI...NORTH CENTRAL MISSISSIPPI... 
  SOUTH CENTRAL MISSISSIPPI...SOUTHWEST MISSISSIPPI AND WEST 
  CENTRAL MISSISSIPPI. 

* UNTIL 7 AM CDT THURSDAY

* PERIODS OF HEAVY RAINFALL ARE EXPECTED TO REDEVELOP AHEAD OF A SLOW
  MOVING COLD FRONT. SLOW MOVING SHOWERS AND THUNDERSTORMS COULD
  BRING AN ADDITIONAL TWO INCHES OF RAINFALL AS WE GO THROUGH
  THURSDAY. SOILS ARE SATURATED AND THIS ADDITIONAL HEAVY RAINFALL
  WILL RESULT IN RAPID RUN-OFF AND THE POTENTIAL FOR FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

EC
845 
WGUS64 KJAN 220903
FFAJAN

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE JACKSON MS
403 AM CDT THU MAR 22 2012


MSZ030>033-038-039-044>046-050>052-056>058-064>066-072>074-221715-
/O.CAN.KJAN.FF.A.0004.000000T0000Z-120323T0000Z/
/O.NEW.KJAN.FF.A.0005.120322T0903Z-120322T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-WINSTON-NOXUBEE-LEAKE-NESHOBA-
KEMPER-SCOTT-NEWTON-LAUDERDALE-SMITH-JASPER-CLARKE-
JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
INCLUDING THE CITIES OF...WEST POINT...COLUMBUS...ACKERMAN...
WEIR...STARKVILLE...LOUISVILLE...MACON...BROOKSVILLE...CARTHAGE...
PHILADELPHIA...PEARL RIVER...DE KALB...SCOOBA...FOREST...MORTON...
NEWTON...UNION...DECATUR...CONEHATTA...MERIDIAN...TAYLORSVILLE...
RALEIGH...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA...PRENTISS...BASSFIELD...COLLINS...MOUNT OLIVE...LAUREL...
COLUMBIA...WEST HATTIESBURG...LUMBERTON...PURVIS...HATTIESBURG
403 AM CDT THU MAR 22 2012

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL MISSISSIPPI...EAST
  CENTRAL MISSISSIPPI...NORTHEAST MISSISSIPPI AND SOUTHEAST
  MISSISSIPPI.

* THROUGH THIS AFTERNOON

* PERIODS OF HEAVY RAINFALL WILL BE POSSIBLE TODAY AND WILL COMBINE
  WITH RAINFALL AMOUNTS OF 2 TO 4 INCHES FROM YESTERDAY. THE NEW
  ACTIVITY TODAY COULD BRING AN ADDITIONAL 1 TO 3 INCHES TO SOME
  AREAS. SOILS ARE SATURATED AND ANY ADDITIONAL HEAVY RAINFALL WILL
  RESULT IN RAPID RUN-OFF AND THE POTENTIAL FOR FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO
FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU
SHOULD REVIEW YOUR FLOOD SAFETY PROCEDURES AND MONITOR LATER
FORECASTS. BE PREPARED TO TAKE ACTION SHOULD FLASH FLOODING BE
OBSERVED OR WHEN FLASH FLOOD WARNINGS ARE ISSUED.

&&

$$

MSZ026>029-036-037-042-043-047>049-053-054-059>062-221015-
/O.CAN.KJAN.FF.A.0004.000000T0000Z-120322T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRENADA-CARROLL-MONTGOMERY-WEBSTER-HOLMES-ATTALA-YAZOO-MADISON MS-
WARREN-HINDS-RANKIN-CLAIBORNE-COPIAH-JEFFERSON-ADAMS-FRANKLIN MS-
LINCOLN-
INCLUDING THE CITIES OF...GRENADA...VAIDEN...NORTH CARROLLTON...
CARROLLTON...WINONA...EUPORA...MABEN...MATHISTON...DURANT...
TCHULA...LEXINGTON...PICKENS...GOODMAN...KOSCIUSKO...YAZOO CITY...
RIDGELAND...MADISON...CANTON...VICKSBURG...JACKSON...PEARL...
BRANDON...RICHLAND...PORT GIBSON...CRYSTAL SPRINGS...HAZLEHURST...
WESSON...FAYETTE...NATCHEZ...BUDE...ROXIE...MEADVILLE...
BROOKHAVEN
403 AM CDT THU MAR 22 2012

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL MISSISSIPPI...NORTH
CENTRAL MISSISSIPPI...SOUTH CENTRAL MISSISSIPPI...SOUTHWEST
MISSISSIPPI AND WEST CENTRAL MISSISSIPPI HAS BEEN CANCELLED.

THE RISK FOR HEAVY RAINFALL HAS PUSHED EAST OF THE AREA.

$$

MSZ055-063-221015-
/O.CAN.KJAN.FF.A.0004.000000T0000Z-120323T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SIMPSON-LAWRENCE-
INCLUDING THE CITIES OF...MAGEE...MENDENHALL...MONTICELLO...
NEW HEBRON
403 AM CDT THU MAR 22 2012

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL MISSISSIPPI AND
SOUTH CENTRAL MISSISSIPPI HAS BEEN CANCELLED.

THE RISK FOR HEAVY RAINFALL HAS SHIFTED EAST OF THE AREA.

$$

CME

What forecasters said that day

The local office's own words before this flash flood watch 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 watch went out at Mar 20, 4:34 AM CDT, 2 minutes earlier.

Area forecast discussion, Mar 20, 4:34 AM CDT, 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
434 AM CDT TUE MAR 20 2012

...HEAVY RAINS AND FLASH FLOODING POSSIBLE WEDNESDAY INTO WEDNESDAY
NIGHT...

...A LOW RISK OF STRONG TO SEVERE STORMS LATER TODAY OVER THE WEST
AND THEN ACROSS SOUTH CENTRAL AREAS WEDNESDAY...

.SHORT TERM...(TODAY THROUGH WEDNESDAY NIGHT)...

PLENTY TO TALK ABOUT OVER THE NEXT 48 HRS AS A DEEP LOW PRESSURE
CENTER OVER THE SOUTHERN PLAINS CONTINUES TO CUT OFF FROM THE POLAR
JET AND BEGINS TO STALL OVER NORTH TX/OK THROUGH THUR. AS IS THE
CASE IN THESE CUT OFF LOW SCENARIOS THE MODELS STRUGGLE WITH THE
FINER DETAILS...IN THIS CASE THOSE DETAILS ARE CENTERED ON A LINE OF
CONVECTION CURRENTLY DRAPED FROM DE QUEEN AR BACK TOWARD SAN
ANTONIO. UNCERTAINTY IN JUST HOW FAST THIS LINE WILL SHIFT EAST
TODAY IS RATHER HIGH LEAVING LOW CONFIDENCE IN THE POTENTIAL FOR
SEVERE WEATHER ACROSS OUR WEST/SOUTHWEST LATER TODAY. MORE ON THAT
IN A SEC.

IN THE MEANTIME...AN IMPRESSIVE 5-6MB SURFACE PRESSURE GRADIENT
CONTINUES TO LIE ACROSS THE ARKLAMISS TONIGHT IN BETWEEN STRONG HIGH
PRESSURE OVER THE EASTERN SEABOARD AND LOW PRESSURE OVER THE PLAINS.
PARTLY CLOUDY SKIES THIS MORNING WILL ALLOW SURFACE HEATING TO MIX
DOWN ROBUST 35-40KT 925-850MB WINDS THROUGH THE DAY TODAY. INHERITED
WIND ADVISORY WAS EXPANDED TO ALL AREAS FROM 10AM TO 6PM THIS
AFTERNOON ACCORDINGLY. WOULD NOT BE SURPRISED TO SEE SUSTAINED WINDS
IN THE 20-30KT RANGE WITH GUSTS AS HIGH AS 40KTS...ESPECIALLY THIS
AFTERNOON.

AS MENTIONED...CONFIDENCE IN THE EVOLUTION OF ONGOING CONVECTION TO
OUR WEST IS LOW DUE IN PART TO A COUPLE DIFFERENT SOLUTIONS OFFERED
BY THE REGIONAL/GLOBAL MODELS AND HIGH RES SUITES. ONE CAMP THAT
INCLUDES THE 00Z GFS/ECMWF/NAM/NSSL WRF OFFERS A SLOWER OVERALL
SOLUTION THAT FAILS TO SHOW ANY VIGOROUS CONVECTION/SEVERE WEATHER
POTENTIAL ACROSS OUR NORTHEASTERN LA PARISHES UNTIL AFTER MIDNIGHT
TONIGHT...WHILE A FASTER CAMP COMPOSED OF THE HIGH RES ARW/NMM/AND
ESPECIALLY THE SPC WRF ALL SHOW THE LINE MAKING IT INTO THESE AREAS
BY 5-6PM THIS AFTERNOON. IN EITHER EVENT...THE MODELS DO HINT AT A
GENERALLY WEAKER TREND AS IT MOVES THIS FAR EAST/WITH THE EXCEPTION
BEING THE SPC WRF AND RELATED NMM WHICH ARE FAIRLY AGGRESSIVE. OPTED
TO CONTINUE MENTION OF SOME SEVERE POTENTIAL IN THE HWO/GRAPHICS FOR
OUR FAR SOUTHWESTERN AREAS LATE THIS AFTERNOON TAPERING IT BACK TO
ALIGN WITH THE SPC SLIGHT RISK AREA. DAMAGING WINDS AND A TORNADO OR
TWO WILL BE THE PRIMARY RISK...ALTHOUGH SOME POTENTIAL FOR QUARTER
SIZE HAIL WILL EXIST. WHILE A GENERALLY WEAKER TREND IS EXPECTED
OVERNIGHT...SOME RISK WILL PERSIST OUT THERE THROUGH THE NIGHT.

FOCUS REALLY THEN TURNS TO THE HEAVY RAIN POTENTIAL AS WE HEAD INTO
WEDNESDAY AS THE MODELS SHOW THE COLD FRONT ASSOCIATED WITH THIS
SYSTEM NEAR THE MS RIVER BY SUNRISE WED. THE FRONT/CONVECTION ALONG
IT IS NOT GOING TO BE IN ANY HURRY TO SHIFT EAST...AND IN FACT WOULD
NOT BE SURPRISED IF IT ENDS UP BEING SLOWER THAN OFFERED BY THE 00Z
NWP GUIDANCE. NEARLY SOUTHERLY STORM MOTIONS PARALLEL TO THE
BOUNDARY AND SLOW SYSTEM MOVEMENT WILL ENHANCE RISK FOR HEAVY
RAINFALL...ESPECIALLY WITH PW VALUES OF 1.6IN+ NEAR OR ABOVE THE
99TH PERCENTILE FOR MID-LATE MARCH. A FLASH FLOOD WATCH HAS BEEN
POSTED FOR AREAS WEST OF AN INDIANOLA TO BOGUE CHITTO LINE FOR THE
DAYTIME WED...WHICH IS THEN EXPANDED TO THE JACKSON METRO AND DOWN
TOWARD HATTIESBURG FOR WED NIGHT. THIS AREA SEEMS TO HAVE THE BEST
POTENTIAL FOR HEAVY RAINS...AS THESE AREAS WILL HAVE BETTER CHANCES
TO SEE DEEP CONVECTION DURING THIS TIME...AND THAT BY THE TIME THE
RAINS REACH EASTERN MS THE SYSTEM SHOULD HAVE SOME FORWARD PROGRESS
LIMITING THE TIME THE HEAVY RAINS LINGER ACROSS EASTERN MS. THIS MAY
VERY WELL CHANGE IF THE SYSTEM REMAINS SLOW WHICH WOULD PROBABLY
MEAN A FLASH FLOOD WATCH FURTHER NORTH/EAST.

AS FOR SEVERE POTENTIAL WED...THE MODELS DO HINT AT SOME INSTABILITY
BUILDING INTO OUR CWA AHEAD OF THE FRONT HOWEVER LAPSE RATES LOOK TO
BE ON THE DOWNWARD TREND OUT AHEAD OF THE CONVECTION WHICH SHOULD
PRECLUDE POTENTIAL FOR INTENSE UPDRAFTS. IT WILL PROBABLY TURN OUT
THE BEST CHANCE FOR SEVERE WILL BE ACROSS OUR THE SOUTHERN THIRD OF
THE CWA AHEAD OF THE FRONT AND WILL PUT THESE THOUGHTS IN THE HWO.
THE HEAVY RAIN POTENTIAL WED APPEARS TO BE THE BIGGER CONCERN AT
THIS POINT. /BK/

.LONG TERM...THE FOCUS OF THE MED RANGE/LONG TERM WILL INITIALLY BE
ON THE SLOW MOVING UPPER LOW/COOL FRONT AND THE RAINFALL IT WILL
BRING UNTIL LATE THURSDAY. AFTER THAT...THE FOCUS WILL SHIFT TO
DRIER AND SLIGHTLY COOLER CONDITIONS FOR THE WEEKEND INTO EARLY NEXT
WEEK.

FOR THU/THU NGT...FORECAST MODELS HAVE COME INTO BETTER AGREEMENT ON
THE SLOW EASTWARD PROGRESSION OF THE UPPER SYSTEM AND ASSOCIATED
COOL FRONT. RECENT RUNS HAVE SHOWN A STRONG TREND TO A MORE
SLOW/STEADY EASTWARD PUSH AND THE RAINS EXITING THE AREA FROM WEST
TO EAST BY THU AFTERNOON/EVE. AT THE START OF THE THU PERIOD...LOOK
FOR ACTIVITY TO BE ONGOING AND LIKELY LOCATED WITHIN THE I-55
CORRIDOR AND POINTS TO THE EAST OF THAT. SOME POTENTIAL FOR LOCALLY
HEAVY RAIN MAY EXIST FOR SOME AREAS...BUT WILL WAIT UNTIL A CLEARER
PICTURE EXISTS ON EVOLUTION BEFORE EXPANDING/EXTENDING ANY TYPE OF
FLOOD WATCH. AS WE PROGRESS INTO THU NGT...THE UPPER LIFT AND LOW
LEVEL MOIST AXIS WILL SHIFT MORE TO THE EAST. INSTABILITY WILL BE
VERY LIMITED AND THUNDERSTORMS MAY BE TOUGH TO COME BY. STILL...HAVE
MENTIONED TSRA OVER THE EASTERN AREAS THU.

FORECAST SPECIFICS...POPS FOR THU HAVE BEEN ADJUSTED FROM THE PREV
FORECAST. THE MAIN CHANGES WERE TO LOWER VALUES OVER THE W/NW AND
INCREASE VALUES OVER THE E/SE. CENTRAL SECTIONS WILL CONTINUE IN THE
LIKELY CATEGORY. THE OTHER TREND WAS TO PROGRESS THE BACK EDGE(END
OF PRECIP) INTO THE WESTERN AREAS FOR THU AFTERNOON. TEMPS THU WILL
BE MAINLY IN THE MID 60S. GUID WAS LOWERED ACROSS THE EAST HALF TO
REFLECT THE IMPACTS FROM PRECIP/CLOUD COVER. POPS FOR THU NGT WERE
OVERALL LOWER THAN PREV FORECASTS WHICH IS FOLLOWING THE SUPPORT BY
THE MODELS. STILL...THE HIGHEST POPS WERE OVER THE EAST HALF. AS FOR
TEMPS FRI-SUN...A TREND TOWARD THE COOLER EURO AND ENSEMBLE MEAN WAS
USED FOR HIGH TEMPS.

FOR FRI AND THROUGH THE WEEKEND...THE UPPER LOW WILL CONTINUE ITS
SLOW EASTWARD PUSH. AS THIS OCCURS...NW FLOW ALOFT WILL DEVELOP AS
MID LEVEL RIDGING BUILDS OVER THE CENTRAL CONUS. THIS WILL ALLOW THE
COOLER/DRIER AIR TO FILTER INTO THE AREA AND LINGER INTO EARLY NEXT
WEEK. THIS WILL SUPPORT COOLER MORNINGS THAN WE HAVE BEEN
SEEING...BUT STILL READINGS LOOK TO REMAIN ABV AVG. HIGHS WILL ALSO
BE A BIT LOWER THAN RECENT READINGS...BUT ALSO HOLDING ABV AVG. /CME/

&&

.AVIATION...PATCHY MVFR STRATUS IS CROSSING THE REGION TONIGHT AND
WILL CONTINUE TO IMPACT THE AIRFIELDS UNTIL 13-5Z WHEN A TREND TOWARD
VFR CONDS IS XPCTD. SRLY/SERLY SFC WINDS WILL BE QUITE GUSTY TODAY
WITH OCSNL GUSTS TO NEAR 40KTS PSBL BETWEEN 15Z AND 00Z. SUSTAINED
WINDS OF 20-30KTS APPEAR LIKELY LIKELY ALONG WITH THE HIGHER GUSTS.
WINDS WILL SUBSIDE A BIT THIS EVENING BUT SRLY BREEZES WILL PERSIST
THROUGH THE NIGHT. A FEW SHWRS/TSRA PSBL ACROSS NE LA/SW AND W MS
TODAY AHEAD OF A SLOW MOVING COLD FRONT OFF TO OUR WEST. LINE OF TSRA
MAY BEGIN IMPACTING AREAS WEST OF THE RIVER BY THIS EVENING BUT IS
STILL UNCERTAIN AT THIS TIME. /BK/

&&

.PRELIMINARY POINT TEMPS/POPS...
JACKSON       85  65  76  56 /  15   8  76  84
MERIDIAN      86  61  83  63 /   2   3  37  63
VICKSBURG     84  67  70  49 /  38  53  88  84
HATTIESBURG   86  63  80  63 /  12   6  58  75
NATCHEZ       80  66  68  50 /  46  57  87  79
GREENVILLE    85  64  70  51 /  41  53  88  88
GREENWOOD     86  65  77  53 /  13  10  73  86

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...WIND ADVISORY FROM 10 AM THIS MORNING TO 6 PM CDT THIS EVENING
     FOR MSZ018-019-025>066-072>074.

     FLASH FLOOD WATCH FROM WEDNESDAY MORNING THROUGH THURSDAY
     MORNING FOR MSZ034-040-041-047-053-059>061.

     FLASH FLOOD WATCH FROM WEDNESDAY EVENING THROUGH THURSDAY
     MORNING FOR MSZ035-042-043-048-049-054>056-062>066-072>074.

LA...WIND ADVISORY FROM 10 AM THIS MORNING TO 6 PM CDT THIS EVENING
     FOR LAZ007>009-015-016-023>026.

     FLASH FLOOD WATCH FROM WEDNESDAY MORNING THROUGH THURSDAY
     MORNING FOR LAZ007>009-015-016-023>026.

AR...WIND ADVISORY FROM 10 AM THIS MORNING TO 6 PM CDT THIS EVENING
     FOR ARZ074-075.

     FLASH FLOOD WATCH FROM WEDNESDAY MORNING THROUGH THURSDAY
     MORNING FOR ARZ074-075.

&&

BK/CME/
Hazardous weather outlook, Mar 19, 3:36 PM CDT, 13 hours before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
336 PM CDT MON MAR 19 2012

ARZ074-075-LAZ007>009-015-016-023>026-MSZ034-040>043-047>049-053-
054-059>062-202045-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-WASHINGTON-
ISSAQUENA-SHARKEY-YAZOO-MADISON MS-WARREN-HINDS-RANKIN-CLAIBORNE-
COPIAH-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-
336 PM CDT MON MAR 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI...
NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS.

.DAY ONE...TONIGHT AND TUESDAY

SOUTH TO SOUTHEAST WINDS OF 15 TO 20 MPH WITH 25 TO 30 MPH GUSTS ARE
EXPECTED THROUGH THE AFTERNOON. WIND SPEEDS WILL DIMINISH THIS
EVENING BUT STRONG WINDS WILL REDEVELOP TUESDAY MORNING.

20 TO 25 MPH WINDS WILL BE IN STORE FOR TUESDAY AHEAD OF A LARGE LOW
PRESSURE SYSTEM APPROACHING THE REGION. 35 TO 45 MPH WIND GUSTS WILL
ALSO BE POSSIBLE. A WIND ADVISORY HAS BEEN ISSUED FOR THE AREA FOR
TUESDAY. GUSTY WINDS MAY MAKE DRIVING CONDITIONS DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES.

.DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH SUNDAY

STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE...MAINLY DURING THE
AFTERNOON...TUESDAY AND WEDNESDAY. THE PRIMARY SEVERE WEATHER RISKS
WILL BE DAMAGING WIND GUSTS TO 60 MPH BUT TORNADOES AND LARGE HAIL
CAN NOT BE RULED OUT IN THE STRONGEST STORMS.

PERIODS OF HEAVY RAINFALL ARE EXPECTED ACROSS THE AREA LATER THIS
WEEK AS A SLOW MOVING SYSTEM IMPACTS THE AREA. RAINFALL TOTALS FROM
3 TO 5 INCHES WILL BE POSSIBLE FROM TUESDAY NIGHT THROUGH FRIDAY
WITH LOCALLY HIGHER AMOUNTS. HIGH RAINFALL RATES MAY PRODUCE
FLOODING PROBLEMS FOR WEDNESDAY THROUGH FRIDAY AND A FLOOD WATCH MAY
BE ISSUED IN THE NEXT DAY OR SO.

.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 TUESDAY NIGHT THROUGH FRIDAY.

MSZ018-019-025>027-035-036-055-063-064-202045-
BOLIVAR-SUNFLOWER-LEFLORE-GRENADA-CARROLL-HUMPHREYS-HOLMES-
SIMPSON-LAWRENCE-JEFFERSON DAVIS-
336 PM CDT MON MAR 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI...
NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS.

.DAY ONE...TONIGHT AND TUESDAY

SOUTH TO SOUTHEAST WINDS OF 15 TO 20 MPH WITH 25 TO 30 MPH GUSTS ARE
EXPECTED THROUGH THE AFTERNOON. WIND SPEEDS WILL DIMINISH THIS
EVENING BUT STRONG WINDS WILL REDEVELOP TUESDAY MORNING.

20 TO 25 MPH WINDS WILL BE IN STORE FOR TUESDAY AHEAD OF A LARGE LOW
PRESSURE SYSTEM APPROACHING THE REGION. 35 TO 45 MPH WIND GUSTS WILL
ALSO BE POSSIBLE. A WIND ADVISORY HAS BEEN ISSUED FOR THE AREA FOR
TUESDAY. GUSTY WINDS MAY MAKE DRIVING CONDITIONS DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES.

.DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH SUNDAY

PERIODS OF HEAVY RAINFALL ARE EXPECTED ACROSS THE AREA LATER THIS
WEEK AS A SLOW MOVING SYSTEM IMPACTS THE AREA. RAINFALL TOTALS FROM
3 TO 5 INCHES WILL BE POSSIBLE FROM TUESDAY NIGHT THROUGH FRIDAY
WITH LOCALLY HIGHER AMOUNTS. HIGH RAINFALL RATES MAY PRODUCE
FLOODING PROBLEMS FOR WEDNESDAY THROUGH FRIDAY AND A FLOOD WATCH MAY
BE ISSUED IN THE NEXT DAY OR SO.

.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 TUESDAY NIGHT THROUGH FRIDAY.

MSZ028>033-037>039-044>046-050>052-056>058-065-066-072>074-202045-
MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-ATTALA-WINSTON-
NOXUBEE-LEAKE-NESHOBA-KEMPER-SCOTT-NEWTON-LAUDERDALE-SMITH-JASPER-
CLARKE-COVINGTON-JONES-MARION-LAMAR-FORREST-
336 PM CDT MON MAR 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI...
NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS.

.DAY ONE...TONIGHT AND TUESDAY

SOUTH TO SOUTHEAST WINDS OF 15 TO 20 MPH WITH 25 TO 30 MPH GUSTS ARE
EXPECTED THROUGH THE AFTERNOON. WIND SPEEDS WILL DIMINISH THIS
EVENING BUT GUSTY WINDS WILL REDEVELOP TUESDAY MORNING WITH SOUTH TO
SOUTHEAST WINDS OF 15 TO 25 MPH WITH 30 MPH GUSTS THROUGH TUESDAY
AFTERNOON. GUSTY WINDS MAY MAKE DRIVING CONDITIONS DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES.

.DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH SUNDAY

PERIODS OF HEAVY RAINFALL ARE EXPECTED ACROSS THE AREA LATER THIS
WEEK AS A SLOW MOVING SYSTEM IMPACTS THE AREA. RAINFALL TOTALS FROM
1 TO 3 INCHES WILL BE POSSIBLE FROM WEDNESDAY NIGHT THROUGH FRIDAY
WITH LOCALLY HIGHER AMOUNTS. HIGH RAINFALL RATES MAY PRODUCE PONDING
WATER IN LOW LYING AREAS.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS CAN NOT BE RULED OUT FOR WEDNESDAY NIGHT THROUGH FRIDAY.

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

03

Nearby

Flash Flood Watches in Mississippi, 2012Flash Flood Watches in Louisiana, 2012Flash Flood Watches in Arkansas, 2012Every flash flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.