Alert archive / Mississippi / Flash Flood Warnings in 2011

Flash Flood Warning 149, NWS Jackson, MS

September 5, 20114 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Sep 5, 2011, 9:44 AM CDT for 4 counties in Mississippi. It was in force for 3 hr. 2 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: Sep 5, 2011, 9:44 AM CDT (14:44 UTC)
Expired: Sep 5, 2011, 12:45 PM CDT
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties Covington County, MS, Forrest County, MS, Jones County, MS, Lamar County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 121 km from the middle of the area, began a volume at 14:44 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
Sep 5, 10:00 AM CDT	FLASH FLOOD	Hattiesburg, MS	NUMEROUS ROADS FLOODED AROUND THE CITY...A FEW FLOODED JUST OUTSIDE THE CITY AS WELL. AT LEAST 2 HOMES WERE FLOODED.
Sep 5, 11:30 AM CDT	FLASH FLOOD	West Hattiesburg, MS	THREE HOUSES TOOK ON WATER. A TOTAL OF TWO ROADS WERE WASHED OUT AND 22 ROADS FLOODED DURING LEE.

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 2.7 hours before the alert went out and 124 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: 875 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 449 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

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

118 
WGUS54 KJAN 051444
FFWJAN
MSC031-035-067-073-051745-
/O.NEW.KJAN.FF.W.0149.110905T1444Z-110905T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
944 AM CDT MON SEP 5 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF COLLINS...
  FORREST COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...PETAL...HATTIESBURG...
  JONES COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...LAUREL...ELLISVILLE...
  EASTERN LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF WEST HATTIESBURG...

* UNTIL 1245 PM CDT

* AT 943 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  VERY HEAVY RAINFALL MOVING INTO THE WARNED AREA. RAINFALL AMOUNTS
  OF 6 TO 10 INCHES HAVE OCCURRED IN THE PAST TWO DAYS.  VERY HEAVY 
  RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT THREE 
  HOURS WITH AN ADDITIONAL TWO TO FOUR INCHES POSSIBLE.


* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LONE
  STAR...SANFORD...MILL CREEK...TUCKERS CROSSING...MOSELLE...OVETT...
  EASTABUCHIE...SANDERSVILLE AND MOUNT OLIVE

RAINFALL AMOUNTS FROM TWO TO FOUR INCHES IN A HOUR CAN CAUSE FLOODING
IN AND AROUND THE WESTERN PORTIONS OF HATTIESBURG IN NORTHEAST LAMAR
COUNTY. SOME OF THE ROADS THAT FLOOD WITH THIS AMOUNT OF RAINFALL
INCLUDE SAM RAYBURN ROAD...CLEARANCE RAY DRIVE...RUBY CIRCLE AND
RAYBURN PLACE. IN ADDITION TO MANY OTHER LOCATIONS ALONG MIXON CREEK
BEHIND TURTLE CREEK MALL.

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 3091 8934 3100 8935 3101 8941 3143 8945
      3143 8958 3153 8960 3161 8975 3178 8976
      3182 8894 3144 8894 3143 8914 3091 8915

$$

AEG

1 follow-up statement

822 
WGUS74 KJAN 051523
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1023 AM CDT MON SEP 5 2011

MSC031-035-067-073-051745-
/O.CON.KJAN.FF.W.0149.000000T0000Z-110905T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAMAR MS-JONES MS-FORREST MS-COVINGTON MS-
1023 AM CDT MON SEP 5 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR
COVINGTON...FORREST...JONES AND EASTERN LAMAR COUNTIES...

AT 1018 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AN AREA OF VERY HEAVY RAINFALL...WITH RAINFALL RATES OF 1 
TO 2 INCHES IN AN HOUR...OCCURRING ACROSS MUCH OF JONES...COVINGTON...
NORTHERN LAMAR...AND NORTHERN FORREST COUNTIES. THIS AREA HAS SEEN
ANYWHERE FROM 6 TO 12 INCHES OF RAIN OVER THE LAST TWO DAYS. 

THE HATTIESBURG EOC JUST REPORTED THAT SEVERAL STREETS IN THE CITY
OF HATTIESBURG ARE FLOODED...AND ONE HOME IS NOW TAKING ON WATER.
WITH ADDITIONAL RAINFALL OF 2 TO 4 INCHES POSSIBLE OVER THE NEXT 3 
HOURS...ADDITIONAL FLASH FLOODING IS LIKELY. THE RAIN SHOULD BEGIN
TO TAPER OFF BY EARLY THIS AFTERNOON.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LONE
STAR...SANFORD...MILL CREEK...TUCKERS CROSSING...MOSELLE...OVETT...
EASTABUCHIE...MACEDONIA...SANDERSVILLE...MOUNT OLIVE...LAUREL...
ELLISVILLE AND COLLINS

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
THREE HOURS. WITH AN ADDITIONAL TWO TO FOUR 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 3091 8934 3100 8935 3101 8941 3143 8945
      3143 8958 3153 8960 3161 8975 3178 8976
      3182 8894 3144 8894 3143 8914 3091 8915

$$

AEG

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 4, 7:16 PM CDT	Tornado Warning	JAN	Forrest	59 min
Sep 4, 7:53 PM CDT	Tornado Warning	JAN	Forrest	37 min
Sep 4, 8:00 PM CDT	Tornado Warning	JAN	Covington	30 min
Sep 4, 8:55 PM CDT	Tornado Warning	JAN	Jasper, Jones, Smith	54 min
Sep 4, 8:56 PM CDT	Tornado Warning	JAN	Covington, Smith	49 min
Sep 4, 9:20 PM CDT	Flash Flood Warning	JAN	Hinds, Issaquena, Jasper, Madison, Newton, Rankin and 5 more	3 hr
Sep 4, 9:44 PM CDT	Tornado Warning	JAN	Jasper, Smith	46 min
Sep 4, 9:50 PM CDT	Tornado Warning	JAN	Jasper, Jones, Smith	25 min
Sep 4, 10:21 PM CDT	Flash Flood Warning	JAN	Claiborne, Copiah, Covington, Jefferson, Jefferson Davis, Lawrence and 2 more	3 hr
Sep 4, 10:39 PM CDT	Tornado Warning	JAN	Smith	36 min
Sep 5, 12:01 AM CDT	Tornado Warning	JAN	Leake, Scott	59 min
Sep 5, 12:14 AM CDT	Flash Flood Warning Emergency	JAN	Hinds, Issaquena, Jasper, Leake, Madison, Neshoba and 6 more	6 hr
Sep 5, 12:33 AM CDT	Tornado Warning	JAN	Newton	42 min
Sep 5, 12:59 AM CDT	Tornado Warning	JAN	Leake, Neshoba	61 min
Sep 5, 1:00 AM CDT	Flash Flood Warning	JAN	Copiah, Lawrence, Lincoln, Simpson	6 hr
Sep 5, 1:42 AM CDT	Tornado Warning	JAN	Rankin	33 min
Sep 5, 2:24 AM CDT	Flash Flood Warning	JAN	Attala, Carroll, Choctaw, Holmes, Montgomery, Webster and 2 more	6 hr
Sep 5, 2:35 AM CDT	Tornado Warning	JAN	Jasper, Smith	40 min
Sep 5, 2:54 AM CDT	Special Weather Statement	JAN	Neshoba	46 min
Sep 5, 2:58 AM CDT	Tornado Warning	JAN	Newton, Scott	47 min
Sep 5, 3:02 AM CDT	Tornado Warning	JAN	Neshoba	43 min
Sep 5, 3:13 AM CDT	Tornado Warning	JAN	Smith	32 min
Sep 5, 3:35 AM CDT	Flash Flood Warning	JAN	Kemper, Neshoba, Newton, Noxubee, Winston	4 hr
Sep 5, 4:01 AM CDT	Tornado Warning	JAN	Scott	30 min
Sep 5, 4:37 AM CDT	Flash Flood Warning	JAN	Carroll, Grenada, Montgomery, Webster	3 hr
Sep 5, 4:42 AM CDT	River Flood Warning	JAN	Hinds, Rankin	7 days
Sep 5, 4:52 AM CDT	Tornado Warning	JAN	Leake, Neshoba, Newton, Scott	22 min
Sep 5, 5:01 AM CDT	Tornado Warning	JAN	Kemper, Noxubee	59 min
Sep 5, 5:34 AM CDT	Tornado Warning	JAN	Scott	25 min
Sep 5, 6:10 AM CDT	Flash Flood Warning	JAN	Attala, Copiah, Hinds, Holmes, Jasper, Leake and 9 more	110 min
Sep 5, 6:29 AM CDT	Flash Flood Warning	JAN	Clay, Kemper, Lowndes, Noxubee, Oktibbeha, Webster	2 hr
Sep 5, 7:29 AM CDT	Flash Flood Warning	JAN	Kemper, Lauderdale, Neshoba, Newton, Noxubee, Oktibbeha and 1 more	2 hr
Sep 5, 7:51 AM CDT	Flash Flood Warning	JAN	Attala, Hinds, Holmes, Leake, Madison, Neshoba and 6 more	114 min
Sep 5, 8:25 AM CDT	Flash Flood Warning	JAN	Attala, Carroll, Choctaw, Grenada, Montgomery, Webster and 1 more	2 hr
Sep 5, 8:31 AM CDT	Flash Flood Warning	JAN	Clay, Kemper, Lauderdale, Lowndes, Neshoba, Newton and 3 more	4 hr
Sep 5, 8:38 AM CDT	Flash Flood Warning	JAN	Covington, Jefferson Davis, Lamar, Lawrence, Marion	2 hr
Sep 5, 9:41 AM CDT	River Flood Warning	JAN	Leake	6 days
Sep 5, 9:41 AM CDT	River Flood Warning	JAN	Leake	7 days
Sep 5, 9:41 AM CDT	River Flood Warning	JAN	Leake	4 days
Sep 5, 9:41 AM CDT	River Flood Warning	JAN	Attala	31 hr
Sep 5, 9:41 AM CDT	River Flood Warning	JAN	Leake	31 hr
Sep 5, 9:47 AM CDT	Flash Flood Warning	JAN	Copiah, Leake, Madison, Neshoba, Newton, Rankin and 2 more	118 min
Sep 5, 10:46 AM CDT	River Flood Warning	JAN	Copiah, Simpson	8 days
Sep 5, 10:46 AM CDT	River Flood Warning	JAN	Lawrence	10 days
Sep 5, 10:46 AM CDT	River Flood Warning	JAN	Marion	3 days
Sep 5, 10:46 AM CDT	River Flood Warning	JAN	Simpson	30 hr
Sep 5, 11:18 AM CDT	River Flood Warning	JAN	Noxubee	23 hr
Sep 5, 11:18 AM CDT	River Flood Warning	JAN	Lowndes	10 hr
Sep 5, 11:19 AM CDT	River Flood Warning	JAN	Clay, Lowndes	10 hr
Sep 5, 11:22 AM CDT	Areal Flood Warning	JAN	Copiah, Hinds, Jefferson Davis, Lawrence, Lincoln, Madison and 2 more	24 hr
Sep 5, 11:31 AM CDT	Flash Flood Warning	JAN	Leake, Neshoba, Newton, Scott, Smith	3 hr
Sep 5, 2:38 PM CDT	Areal Flood Warning	JAN	Leake, Neshoba, Newton, Scott	8 hr

Nearby

Flash Flood Warnings in Mississippi, 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.