Alert archive / Mississippi / Flash Flood Warnings in 2012

Flash Flood Warning 2, NWS Jackson, MS

January 10, 2012Hinds County, Warren County, Yazoo County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jan 10, 2012, 6:24 PM CST for Hinds County, Warren County, Yazoo County, Mississippi. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jan 10, 2012, 6:24 PM CST (00:24 UTC)
Expired: Jan 10, 2012, 8:30 PM CST
In force: 2 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties Hinds County, MS, Warren County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 60 km from the middle of the area, began a volume at 00:27 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, 0.4 hours before the alert went out and 50 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: 400 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 752 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 257 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

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

285 
WGUS54 KJAN 110024
FFWJAN
MSC049-149-163-110230-
/O.NEW.KJAN.FF.W.0002.120111T0024Z-120111T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
624 PM CST TUE JAN 10 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN HINDS COUNTY IN CENTRAL MISSISSIPPI...
  CENTRAL YAZOO COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF YAZOO CITY...
  EASTERN WARREN COUNTY IN WEST CENTRAL MISSISSIPPI...

* UNTIL 830 PM CST

* AT 623 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED    
  SHOWERS AND THUNDERSTORMS PRODUCING HEAVY RAIN ALONG A LINE        
  EXTENDING FROM 9 MILES NORTHWEST OF MIDWAY TO NEWMAN...OR ALONG A  
  LINE EXTENDING FROM 7 MILES SOUTH OF THORNTON TO 11 MILES          
  SOUTHEAST OF VICKSBURG. THE STORMS WERE NEARLY STATIONARY.         
  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
  BENTON...LITTLE YAZOO AND EDWARDS

HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT HOUR 
WITH AN ADDITIONAL ONE INCH POSSIBLE.

RAINFALL AMOUNTS FROM ONE TO THREE INCHES IN A HOUR CAN CAUSE
FLOODING IN AND AROUND YAZOO CITY INCLUDING EIGHT STREET AT PRENTISS
AVENUE...CALHOUN AVENUE AT NINTH STREET...FIFTH STREET AT CLAY
AVENUE...BRIDGE STREET AT MOUND STREET AND GRAND AVENUE EXTENSION AT
THE BROADMOOR APARTMENTS ENTRANCE.

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 3293 9010 3258 9041 3258 9045 3252 9045
      3217 9063 3217 9073 3222 9073 3220 9075
      3221 9075 3247 9071 3293 9050 3293 9045
      3300 9045 3302 9034

$$

BYB

2 follow-up statements

364 
WGUS74 KJAN 110128
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
728 PM CST TUE JAN 10 2012

MSC149-110137-
/O.CAN.KJAN.FF.W.0002.000000T0000Z-120111T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN MS-
728 PM CST TUE JAN 10 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN WARREN
COUNTY...

LAT...LON 3300 9032 3293 9011 3258 9041 3257 9045
      3252 9045 3251 9051 3260 9059 3260 9064
      3293 9050 3293 9045 3300 9045 3302 9034

$$

MSC049-163-110230-
/O.CON.KJAN.FF.W.0002.000000T0000Z-120111T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HINDS MS-YAZOO MS-
728 PM CST TUE JAN 10 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR
CENTRAL YAZOO AND EXTREME NORTH CENTRAL HINDS COUNTIES...

AT 727 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR BENTON...OR NEAR
YAZOO CITY...MOVING NORTH AT 20 MPH. ESTIMATED RADAR RAINFALL
AMOUNTS...ON THE ORDER OF ONE TO THREE INCHES...HAVE OCCURRED IN THE 
PAST TWO HOURS.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MIDWAY

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
HOUR. WITH AN ADDITIONAL ONE INCH 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.

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 3300 9032 3293 9011 3258 9041 3257 9045
      3252 9045 3251 9051 3260 9059 3260 9064
      3293 9050 3293 9045 3300 9045 3302 9034

$$

MRM

364 
WGUS74 KJAN 110133 CCA
FFSJAN

FLASH FLOOD STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE JACKSON MS
733 PM CST TUE JAN 10 2012

MSC049-110142-
/O.CAN.KJAN.FF.W.0002.000000T0000Z-120111T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HINDS MS-
733 PM CST TUE JAN 10 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EXTREME NORTH
CENTRAL HINDS COUNTY...

LAT...LON 3300 9032 3293 9011 3258 9041 3258 9044
      3257 9045 3255 9050 3260 9059 3260 9064
      3293 9050 3293 9045 3300 9045 3302 9034

$$

MSC163-110230-
/O.CON.KJAN.FF.W.0002.000000T0000Z-120111T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YAZOO MS-
733 PM CST TUE JAN 10 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR
CENTRAL YAZOO COUNTY...

AT 732 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR BENTON...OR 9 
MILES EAST OF YAZOO CITY. THE STORMS WERE MOVING NORTH AT 20 MPH. 
ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER OF ONE TO THREE 
INCHES...HAVE OCCURRED IN THE PAST TWO HOURS.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MIDWAY

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
HOUR. WITH AN ADDITIONAL ONE INCH 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.

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 3300 9032 3293 9011 3258 9041 3258 9044
      3257 9045 3255 9050 3260 9059 3260 9064
      3293 9050 3293 9045 3300 9045 3302 9034

$$

MRM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 10, 6:01 PM CST	Special Weather Statement	JAN	Hinds	44 min
Jan 10, 6:06 PM CST	Special Weather Statement	JAN	Carroll, Holmes	44 min

Nearby

Flash Flood Warnings in Mississippi, 2012 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.