Alert archive / Mississippi / Flash Flood Warnings in 2011

Flash Flood Warning 151, NWS Jackson, MS

September 5, 20115 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Sep 5, 2011, 11:31 AM CDT for 5 counties in Mississippi. 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: Sep 5, 2011, 11:31 AM CDT (16:31 UTC)
Expired: Sep 5, 2011, 2:30 PM CDT
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties Leake County, MS, Neshoba County, MS, Newton County, MS, Scott County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 47 km from the middle of the area, began a volume at 16:34 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, 1:49 PM CDT	FLOOD	4 E Pelahatchie, MS	US HIGHWAY 80 CLOSED AT RANKIN/SCOTT COUNTY LINE DUE TO FLOODING OF PELAHATCHIE CREEK

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, 4.5 hours before the alert went out and 55 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: 1 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 534 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -181 m²/s²
0-3 km storm-relative helicity: -67 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.

554 
WGUS54 KJAN 051631
FFWJAN
MSC079-099-101-123-129-051930-
/O.NEW.KJAN.FF.W.0151.110905T1631Z-110905T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1131 AM CDT MON SEP 5 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LEAKE COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...EDINBURG...CARTHAGE...
  SCOTT COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...HARPERVILLE...MORTON...FOREST...
  NORTHERN SMITH COUNTY IN CENTRAL MISSISSIPPI...
  WESTERN NESHOBA COUNTY IN EAST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF PHILADELPHIA...
  WESTERN NEWTON COUNTY IN EAST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...PROSPECT...NEWTON...

* UNTIL 230 PM CDT

* AT 1126 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  MODERATE TO HEAVY RAIN BEGINNING TO OVERSPREAD THE WARNED AREA
  AGAIN. WHILE THIS RAIN WILL NOT BE AS HEAVY AS THAT EXPERIENCED
  OVERNIGHT...AN ADDITIONAL 1 TO 3 INCHES OF RAIN COULD OCCUR
  THROUGH EARLY AFTERNOON. 

* SERIOUS FLOODING HAS ALREADY BEEN REPORTED IN PARTS OF THE WARNED 
  AREA...WITH NUMEROUS ROADS WASHED OUT AND SOME STRUCTURES BEING 
  FLOODED. THIS ADDITIONAL RAIN WILL ONLY EXACERBATE THE FLOODING 
  ISSUES.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  DOWDVILLE...STALLO...BURNSIDE...NESHOBA...DIXON...TUSCOLA...
  MADDEN...RENFROE...SINGLETON...THOMASTOWN...LUDLOW AND PEARL RIVER

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 3222 8936 3206 8933 3206 8973 3236 8973
      3257 8978 3260 8978 3264 8973 3293 8973
      3292 8907 3223 8907

$$

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, 9:44 AM CDT	Flash Flood Warning	JAN	Covington, Forrest, Jones, Lamar	3 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, 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.