Alert archive / Mississippi / Flash Flood Warnings in 2015

Flash Flood Warning 4, NWS Jackson, MS

January 3, 2015Jefferson Davis County, Lawrence County, Marion County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jan 3, 2015, 4:20 PM CST for Jefferson Davis County, Lawrence County, Marion County, Mississippi. It was in force for 3 hr. 5 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: Jan 3, 2015, 4:20 PM CST (22:20 UTC)
Expired: Jan 3, 2015, 7:45 PM CST
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

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

The radar

The Jackson/Brandon,MS radar (KDGX), 93 km from the middle of the area, began a volume at 22:22 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
Jan 3, 5:14 PM CST	FLASH FLOOD	5 Nne Bunker Hill, MS	FLOODING ON MS HIGHWAY 35 SOUTH OF BASSFIELD
Jan 3, 5:25 PM CST	FLASH FLOOD	5 Ese Carson, MS	FLOODING REPORTED ON N WILLIAMSBURG RD
Jan 3, 5:25 PM CST	FLASH FLOOD	5 Ne Bunker Hill, MS	FLOODING REPORTED ALONG CAVANAUGH RD
Jan 3, 5:25 PM CST	FLASH FLOOD	5 Se Carson, MS	FLOODING REPORTED ON JACK KERLEY DR
Jan 3, 6:25 PM CST	FLASH FLOOD	5 Ne Bassfield, MS	WATER REPORTED ACROSS ROADWAYS IN THE DEEN COMMUNITY

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

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.3 hours before the alert went out and 99 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: 92 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 505 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 353 m²/s²
0-3 km storm-relative helicity: 556 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

344 
WGUS54 KJAN 032220
FFWJAN
MSC065-077-091-040115-
/O.NEW.KJAN.FF.W.0004.150103T2220Z-150104T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
420 PM CST SAT JAN 3 2015

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  EASTERN LAWRENCE COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  NORTHERN MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF COLUMBIA...

* UNTIL 715 PM CST

* AT 419 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. ESTIMATED
  RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO TO FOUR               
  INCHES...HAVE OCCURRED IN THE PAST THREE HOURS. SOME FLOODED ROADS
  HAVE BEEN REPORTED IN LAWRENCE COUNTY.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WANILLA...
  ARM...PROGRESS...CARSON...CLEM...HEBRON...PRENTISS AND MONTICELLO

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...

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 3120 9002 3124 9005 3132 9005 3134 9014
      3137 9017 3161 9017 3174 9005 3177 8977
      3173 8975 3161 8975 3155 8962 3152 8959
      3143 8963 3143 8965 3137 8965 3117 8975

$$

AEG

1 follow-up statement

163 
WGUS54 KJAN 040059
FFWJAN
MSC065-077-091-040145-
/O.EXT.KJAN.FF.W.0004.000000T0000Z-150104T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
659 PM CST SAT JAN 3 2015

THE NATIONAL WEATHER SERVICE IN JACKSON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  EASTERN LAWRENCE COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  NORTHERN MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF COLUMBIA...

* UNTIL 745 PM CST

* AT 657 PM CST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED ONGOING   
  FLASH FLOOD FROM THUNDERSTORMS OVER THE WARNED AREA THIS EVENING   
  INTO THIS EVENING. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER 
  OF TWO TO FOUR INCHES...HAVE OCCURRED IN THE PAST SIX HOURS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WANILLA...
  ROBINWOOD...ARM...PROGRESS...CARSON...CLEM...HEBRON...PRENTISS AND
  MONTICELLO

LOCALLY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE 
NEXT THREE 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 3120 9002 3124 9005 3132 9005 3134 9014
      3137 9017 3161 9017 3174 9005 3177 8977
      3173 8975 3161 8975 3155 8962 3152 8959
      3143 8963 3143 8965 3137 8965 3117 8975

$$

BYB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 3, 6:05 AM CST	River Flood Warning	JAN	Attala, Holmes	8 days
Jan 3, 10:32 AM CST	River Flood Warning	JAN	Hinds, Warren	8 days
Jan 3, 10:41 AM CST	River Flood Warning	JAN	Neshoba	9 days
Jan 3, 10:41 AM CST	River Flood Warning	JAN	Leake	10 days
Jan 3, 11:02 AM CST	River Flood Warning	JAN	Lawrence	70 hr
Jan 3, 12:41 PM CST	Special Weather Statement	JAN	Claiborne, Warren	44 min
Jan 3, 1:23 PM CST	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Lincoln, Marion	67 min
Jan 3, 1:42 PM CST	Special Weather Statement	JAN	Holmes, Yazoo	28 min
Jan 3, 1:47 PM CST	Areal Flood Warning	JAN	Bolivar, Carroll, Grenada, Holmes, Issaquena, Leflore and 4 more	12 hr
Jan 3, 1:56 PM CST	Tornado Warning	JAN	Jefferson Davis, Lawrence, Marion	37 min
Jan 3, 2:11 PM CST	Tornado Warning	JAN	Covington, Jasper, Smith	64 min
Jan 3, 2:21 PM CST	Flash Flood Warning	JAN	Jefferson Davis, Lawrence	114 min
Jan 3, 2:25 PM CST	Tornado Warning	JAN	Covington, Simpson	35 min
Jan 3, 2:50 PM CST	Tornado Warning	JAN	Smith	26 min
Jan 3, 2:54 PM CST	Tornado Warning	JAN	Rankin	20 min
Jan 3, 3:05 PM CST	Severe Thunderstorm Warning	JAN	Attala, Choctaw, Montgomery, Winston	40 min
Jan 3, 3:08 PM CST	Tornado Warning Tornado observed	JAN	Jasper, Lauderdale, Newton	67 min
Jan 3, 3:15 PM CST	Severe Thunderstorm Warning	JAN	Jasper	45 min
Jan 3, 3:34 PM CST	Severe Thunderstorm Warning	JAN	Choctaw, Clay, Oktibbeha, Webster	41 min
Jan 3, 3:37 PM CST	Tornado Warning	JAN	Jasper	17 min
Jan 3, 3:43 PM CST	Flash Flood Warning	JAN	Covington, Jasper, Newton, Scott, Smith	6 hr
Jan 3, 3:51 PM CST	Tornado Warning	JAN	Lauderdale	13 min
Jan 3, 4:01 PM CST	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale	59 min
Jan 3, 4:02 PM CST	Tornado Warning	JAN	Clay, Lowndes, Oktibbeha	43 min
Jan 3, 4:13 PM CST	Flash Flood Warning	JAN	Kemper, Lauderdale	6 hr
Jan 3, 4:23 PM CST	Tornado Warning	JAN	Kemper, Lauderdale	24 min
Jan 3, 4:32 PM CST	Tornado Warning	JAN	Lowndes	43 min

Nearby

Flash Flood Warnings in Mississippi, 2015 Every flash flood warning in 2015

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.