Alert archive / Mississippi / Flash Flood Warnings in 2011

Flash Flood Warning 1, NWS Jackson, MS

December 31, 20106 counties in Mississippi; 4 parishes in Louisiana

NWS Jackson, MS issued this flash flood warning at Dec 31, 2010, 9:02 PM CST for 6 counties in Mississippi; 4 parishes in Louisiana. It was in force for 3 hr. 1 report 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: Dec 31, 2010, 9:02 PM CST (03:02 UTC)
Expired: Jan 1, 2011, 12:00 AM CST
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties East Carroll Parish, LA, Morehouse Parish, LA, Richland Parish, LA, West Carroll Parish, LA, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Sharkey County, MS, Washington County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 116 km from the middle of the area, began a volume at 03:04 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

Time	Report	Where	Remark
Dec 31, 9:52 PM CST	FLASH FLOOD	Belzoni, MS	STREET FLOODING WAS REPORTED IN BELZONI

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

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.0 hours before the alert went out and 199 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1802 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

423 
WGUS54 KJAN 010302
FFWJAN
LAC035-067-083-123-MSC051-053-055-125-151-163-010600-
/O.NEW.KJAN.FF.W.0001.110101T0302Z-110101T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
902 PM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HOLMES COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF THORNTON...
  HUMPHREYS COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF BELZONI...
  NORTHERN YAZOO COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF YAZOO CITY...
  EAST CARROLL PARISH IN NORTHEAST LOUISIANA...
  THIS INCLUDES THE CITIES OF...TRANSYLVANIA...LAKE PROVIDENCE...
  EXTREME NORTHEASTERN MOREHOUSE PARISH IN NORTHEAST LOUISIANA...
  EXTREME NORTHEASTERN RICHLAND PARISH IN NORTHEAST LOUISIANA...
  WEST CARROLL PARISH IN NORTHEAST LOUISIANA...
  SOUTHERN WASHINGTON COUNTY IN NORTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITY OF HOLLANDALE...
  ISSAQUENA COUNTY IN WEST CENTRAL MISSISSIPPI...
  SHARKEY COUNTY IN WEST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF ROLLING FORK...

* UNTIL MIDNIGHT CST

* AT 901 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING FROM
  FITLER TO YAZOO CITY...OR ALONG A LINE EXTENDING FROM 7 MILES      
  SOUTHEAST OF LAKE PROVIDENCE TO YAZOO CITY. THE STORMS WERE MOVING 
  NORTHEAST AT 30 MPH. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE     
  ORDER OF TWO TO THREE INCHES...HAVE OCCURRED IN THE PAST TWO       
  HOURS. ADDITIONAL STORMS WILL CONTINUE MOVING OVER THE AREA OVER   
  THE COURSE OF THE NEXT THREE HOURS. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SHELBURN...MILLIKIN...GASSOWAY...MURPHY...DARLOVE...GLEN ALLAN...
  MIDNIGHT...COXBURG...EMORY...HOWARD...TOLARVILLE...BROZVILLE...
  EBENEZER...FRANKLIN...BOWLING GREEN...MCMILLAN...DELTA CITY...NITTA
  YUMA...PANTHER BURN...GRACE...OAK GROVE...TCHULA...LEXINGTON...
  ISOLA AND ANGUILLA

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
THREE HOURS WITH AN ADDITIONAL TWO TO THREE INCHES POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS...STREAMS AND FARMLAND ALONG BANKS AND COUNTRY ROADS.

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 3302 9146 3301 9116 3307 9112 3312 9119
      3328 9062 3328 9055 3330 9055 3333 9046
      3328 9045 3324 9038 3331 9035 3332 9029
      3337 9030 3338 9027 3325 8983 3297 8998
      3259 9101 3258 9152

$$

BK

2 follow-up statements

044 
WGUS74 KJAN 010359
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
959 PM CST FRI DEC 31 2010

LAC035-067-083-123-MSC051-053-055-125-151-163-010600-
/O.CON.KJAN.FF.W.0001.000000T0000Z-110101T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOREHOUSE LA-WEST CARROLL LA-EAST CARROLL LA-RICHLAND LA-WASHINGTON 
MS-HOLMES MS-HUMPHREYS MS-SHARKEY MS-ISSAQUENA MS-YAZOO MS-
959 PM CST FRI DEC 31 2010

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST FOR
NORTHERN YAZOO...ISSAQUENA...SHARKEY...HUMPHREYS...HOLMES AND
SOUTHERN WASHINGTON COUNTIES...AND EXTREME NORTHEASTERN RICHLAND...
EAST CARROLL...WEST CARROLL AND EXTREME NORTHEASTERN MOREHOUSE
PARISHES...

AT 957 PM CST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED 
THUNDERSTORMS PRODUCING VERY HEAVY RAIN IN BELZONI MOVING NORTHEAST 
AT 40 MPH. STREET FLOODING WAS REPORTED IN THE TOWN OF BELZONI DUE 
TO THE HEAVY RAIN. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER 
OF ONE TO THREE INCHES...HAVE OCCURRED IN THE PAST HOUR.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SHELBURN...MILLIKIN...GASSOWAY...MURPHY...GLEN ALLAN...MIDNIGHT...
THORNTON...COXBURG...EMORY...HOWARD...TOLARVILLE...BROZVILLE...
EBENEZER...FRANKLIN...BOWLING GREEN...MCMILLAN...HOLLY BLUFF...DELTA
CITY...NITTA YUMA...PANTHER BURN...GRACE...OAK GROVE...LAKE
PROVIDENCE...TCHULA...ROLLING FORK...LEXINGTON...ISOLA...
HOLLANDALE...BELZONI AND ANGUILLA

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT 
TWO HOURS...WITH AN ADDITIONAL ONE TO THREE INCHES POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF URBAN
AREAS...INCLUDING HIGHWAYS...STREETS AND UNDERPASSES. IN ADDITION 
OTHER LOW LYING AND POOR DRAINAGE AREAS INCLUDING SEWERS...DITCHES 
CULVERTS AND COUNTRY ROADS MAY ALSO OVERFLOW.

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 3302 9146 3301 9116 3307 9112 3312 9119
      3328 9062 3328 9055 3330 9055 3333 9046
      3328 9045 3324 9038 3331 9035 3332 9029
      3337 9030 3338 9027 3325 8983 3297 8998
      3259 9101 3258 9152

$$

BK

928 
WGUS74 KJAN 010518
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1118 PM CST FRI DEC 31 2010

LAC035-067-083-123-MSC055-125-151-010527-
/O.CAN.KJAN.FF.W.0001.000000T0000Z-110101T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOREHOUSE LA-WEST CARROLL LA-EAST CARROLL LA-RICHLAND LA-
WASHINGTON MS-SHARKEY MS-ISSAQUENA MS-
1118 PM CST FRI DEC 31 2010

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR ISSAQUENA...SHARKEY
AND SOUTHERN WASHINGTON COUNTIES...AND EXTREME NORTHEASTERN
RICHLAND...EAST CARROLL...WEST CARROLL AND EXTREME NORTHEASTERN
MOREHOUSE PARISHES...

LAT...LON 3325 8983 3297 8998 3271 9069 3272 9072
      3276 9072 3276 9069 3281 9070 3284 9075
      3292 9065 3310 9065 3312 9069 3321 9068
      3325 9073 3328 9055 3333 9046 3328 9045
      3324 9038 3331 9035 3332 9029 3338 9028

$$

MSC051-053-163-010600-
/O.CON.KJAN.FF.W.0001.000000T0000Z-110101T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HOLMES MS-HUMPHREYS MS-YAZOO MS-
1118 PM CST FRI DEC 31 2010

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST FOR
NORTHERN YAZOO...HUMPHREYS AND HOLMES COUNTIES...

AT 1117 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE FROM 
NEAR CRUGER TO NEAR YAZOO CITY...MOVING EAST AT 45 MPH. ESTIMATED 
RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO TO FOUR INCHES...HAVE 
OCCURRED IN THE PAST THREE HOURS.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
EMORY...BOWLING GREEN...TCHULA AND ISOLA

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT 
HOUR...WITH AN ADDITIONAL ONE TO THREE INCHES POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF HIGHWAYS
AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE
BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO
FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
FIND AN ALTERNATE ROUTE AND MOVE TO HIGHER GROUND.

&&

LAT...LON 3325 8983 3297 8998 3271 9069 3272 9072
      3276 9072 3276 9069 3281 9070 3284 9075
      3292 9065 3310 9065 3312 9069 3321 9068
      3325 9073 3328 9055 3333 9046 3328 9045
      3324 9038 3331 9035 3332 9029 3338 9028

$$

BK

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 31, 6:00 PM CST	Severe Thunderstorm Warning	JAN	Leake, Rankin, Scott	60 min
Dec 31, 6:09 PM CST	Tornado Warning	JAN	Rankin, Scott, Smith	66 min
Dec 31, 7:02 PM CST	Severe Thunderstorm Warning	JAN	Neshoba, Newton	58 min
Dec 31, 7:19 PM CST	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	56 min
Dec 31, 7:20 PM CST	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	55 min
Dec 31, 7:26 PM CST	Tornado Warning	JAN	Franklin, Lincoln	64 min
Dec 31, 7:54 PM CST	Severe Thunderstorm Warning	JAN	Kemper, Neshoba	49 min
Dec 31, 8:00 PM CST	Severe Thunderstorm Warning	JAN	Humphreys, Sharkey, Washington	60 min
Dec 31, 8:03 PM CST	Tornado Warning	JAN	Copiah	40 min
Dec 31, 8:11 PM CST	Severe Thunderstorm Warning	JAN	Issaquena	33 min
Dec 31, 8:25 PM CST	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Leflore	50 min
Dec 31, 9:26 PM CST	Flash Flood Watch	JAN	Attala, Carroll, Choctaw, Clay, Grenada, Holmes and 9 more	7 hr
Dec 31, 9:36 PM CST	Severe Thunderstorm Warning	JAN	Holmes	69 min
Dec 31, 9:37 PM CST	Flash Flood Warning	JAN	Carroll, Grenada, Humphreys, Montgomery	3 hr
Dec 31, 9:50 PM CST	Severe Thunderstorm Warning	JAN	Yazoo	40 min
Dec 31, 10:01 PM CST	Severe Thunderstorm Warning	JAN	Attala, Carroll, Montgomery	59 min
Dec 31, 10:11 PM CST	Tornado Warning	JAN	Holmes	42 min
Dec 31, 10:15 PM CST	Severe Thunderstorm Warning	JAN	Webster	60 min
Dec 31, 10:18 PM CST	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Warren, Yazoo	42 min
Dec 31, 10:21 PM CST	Tornado Warning	JAN	Carroll, Choctaw, Montgomery, Webster	54 min
Dec 31, 10:28 PM CST	Flash Flood Warning	JAN	Webster	3 hr
Dec 31, 10:59 PM CST	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Issaquena, Warren, Yazoo	61 min
Dec 31, 11:07 PM CST	Tornado Warning	JAN	Holmes, Humphreys, Yazoo	53 min
Dec 31, 11:22 PM CST	Severe Thunderstorm Warning	JAN	Claiborne, Hinds, Warren	68 min
Dec 31, 11:29 PM CST	Flash Flood Warning	JAN	Hinds, Madison, Rankin, Warren, Yazoo	4 hr
Dec 31, 11:35 PM CST	Tornado Warning	JAN	Copiah, Lawrence, Lincoln, Simpson	55 min
Dec 31, 11:39 PM CST	Tornado Warning	JAN	Attala, Holmes	66 min
Dec 31, 11:56 PM CST	Severe Thunderstorm Warning	JAN	Madison, Yazoo	64 min
Dec 31, 11:58 PM CST	Flash Flood Warning	JAN	Attala, Choctaw, Holmes	3 hr
Jan 1, 12:11 AM CST	Tornado Warning	JAN	Rankin, Scott, Smith	64 min
Jan 1, 12:16 AM CST	Tornado Warning	JAN	Leake, Madison	59 min
Jan 1, 12:21 AM CST	Tornado Warning	JAN	Choctaw, Clay, Montgomery, Oktibbeha, Winston	54 min
Jan 1, 12:46 AM CST	Tornado Warning	JAN	Attala, Choctaw, Leake, Neshoba, Winston	59 min
Jan 1, 1:05 AM CST	Tornado Warning	JAN	Clay, Lowndes, Oktibbeha	55 min
Jan 1, 1:11 AM CST	Tornado Warning	JAN	Kemper, Neshoba, Newton, Scott	64 min
Jan 1, 1:38 AM CST	Severe Thunderstorm Warning	JAN	Scott, Smith	67 min
Jan 1, 1:46 AM CST	Flash Flood Warning	JAN	Copiah, Simpson, Smith	5 hr
Jan 1, 1:47 AM CST	Tornado Warning	JAN	Kemper, Neshoba, Noxubee, Winston	58 min
Jan 1, 1:50 AM CST	Tornado Warning	JAN	Lowndes	25 min
Jan 1, 1:54 AM CST	Flash Flood Warning	JAN	Leake, Neshoba, Newton, Scott	3 hr
Jan 1, 2:05 AM CST	Flash Flood Warning	JAN	Lowndes, Noxubee, Oktibbeha, Winston	2 hr
Jan 1, 2:40 AM CST	Tornado Warning	JAN	Noxubee	17 min
Jan 1, 2:45 AM CST	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Neshoba, Newton	60 min
Jan 1, 2:51 AM CST	Flash Flood Warning	JAN	Kemper, Lauderdale	3 hr
Jan 1, 2:56 AM CST	Tornado Warning	JAN	Kemper	64 min
Jan 1, 3:24 AM CST	Tornado Warning	JAN	Noxubee	34 min
Jan 1, 3:41 AM CST	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale	79 min
Jan 1, 4:21 AM CST	Severe Thunderstorm Warning	JAN	Covington, Jasper, Jefferson Davis, Jones, Smith	50 min
Jan 1, 4:34 AM CST	Tornado Warning	JAN	Covington, Jasper, Jones, Smith	34 min
Jan 1, 4:47 AM CST	Flash Flood Warning	JAN	Clarke, Jasper, Jones	3 hr
Jan 1, 9:41 AM CST	River Flood Warning	JAN	Clay	23 hr
Dec 31, 6:22 PM CST	Severe Thunderstorm Warning	JAN	Richland, West Carroll	53 min
Dec 31, 7:28 PM CST	Severe Thunderstorm Warning	JAN	Franklin, Richland	62 min

Nearby

Flash Flood Warnings in Mississippi, 2011 Flash Flood Warnings in Louisiana, 2011 Every flash flood warning in 2011

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.