Alert archive / Mississippi / Flash Flood Warnings in 2012
Flash Flood Warning 73, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jul 11, 2012, 3:07 PM CDT for Holmes County, Humphreys County, Leflore County, 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
- Jul 11, 2012, 3:07 PM CDT (20:07 UTC)
- Expired
- Jul 11, 2012, 5:41 PM CDT
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Holmes County, MS, Humphreys County, MS, Leflore County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 111 km from the middle of the area, began a volume at 20:10 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 |
|---|---|---|---|
| Jul 11, 3:20 PM CDT | FLASH FLOOD | Belzoni, MS | MANY STREETS FLOODED. SOME STREETS CLOSED DUE TO FLOODING. |
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, 8.1 hours before the alert went out and 105 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.
- Mixed-layer CAPE
- 435 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 463 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
681
WGUS54 KJAN 112007
FFWJAN
MSC051-053-083-112300-
/O.NEW.KJAN.FF.W.0073.120711T2007Z-120711T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
307 PM CDT WED JUL 11 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN HOLMES COUNTY IN CENTRAL MISSISSIPPI...
NORTHERN HUMPHREYS COUNTY IN CENTRAL MISSISSIPPI...
THIS INCLUDES THE CITY OF BELZONI...
SOUTHWESTERN LEFLORE COUNTY IN NORTH CENTRAL MISSISSIPPI...
* UNTIL 600 PM CDT
* AT 307 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR BELZONI. 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
SWIFTOWN
VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
ONE TO 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 3333 9018 3327 8995 3316 8998 3310 9056
3323 9063 3337 9033
$$
BYB2 follow-up statements
999
WGUS74 KJAN 112147
FFSJAN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
447 PM CDT WED JUL 11 2012
MSC051-053-083-112300-
/O.CON.KJAN.FF.W.0073.000000T0000Z-120711T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEFLORE MS-HUMPHREYS MS-HOLMES MS-
447 PM CDT WED JUL 11 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
NORTHWESTERN HOLMES...NORTHERN HUMPHREYS AND SOUTHWESTERN LEFLORE
COUNTIES...
AT 430 PM CDT...A MEMBER OF THE PUBLIC IN BELZONI REPORTED RECENT
STATIONARY HEAVY RAIN AMOUNTED TO 5 INCHES IN THEIR RAIN GAUGE.
BASED ON RADAR RAINFALL ESTIMATES THE RAINFALL TOTALS WERE MAXIMIZED
IN THE CITY OF BELZONI AND WERE GENERALLY MUCH LESS ELSEHWERE IN THE
WARNED AREA. THIS MEMBER OF THE PUBLIC...ALONG WITH LAW
ENFORCEMENT...REPORTED MANY ROADS AT LEAST BRIEFLY CLOSED IN THE
CITY OF BELZONI DUE TO THE HIGH WATER.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SWIFTOWN
HEAVY RAINFALL WILL REMAIN POSSIBLE OVER THE WARNED AREA FOR THE
NEXT HOUR WITH AN ADDITIONAL ONE INCH POSSIBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROADWAY. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3333 9018 3327 8995 3316 8998 3310 9056
3323 9063 3337 9033
$$
BYB018
WGUS74 KJAN 112241
FFSJAN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
541 PM CDT WED JUL 11 2012
MSC051-053-083-112251-
/O.CAN.KJAN.FF.W.0073.000000T0000Z-120711T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEFLORE MS-HUMPHREYS MS-HOLMES MS-
541 PM CDT WED JUL 11 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
HOLMES...NORTHERN HUMPHREYS AND SOUTHWESTERN LEFLORE COUNTIES...
LAT...LON 3333 9018 3327 8995 3316 8998 3310 9056
3323 9063 3337 9033
$$
BYBThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 11:51 AM CDT | Special Weather Statement | JAN | Adams, Franklin, Jefferson | 59 min |
| Jul 11, 12:35 PM CDT | Special Weather Statement | JAN | Claiborne, Copiah, Hinds, Lawrence, Lincoln, Rankin and 2 more | 70 min |
| Jul 11, 1:23 PM CDT | Special Weather Statement | JAN | Covington, Hinds, Jefferson Davis, Lawrence, Marion, Rankin and 3 more | 72 min |
| Jul 11, 2:11 PM CDT | Special Weather Statement | JAN | Covington, Forrest, Hinds, Jasper, Jones, Lamar and 4 more | 54 min |
| Jul 11, 2:51 PM CDT | Special Weather Statement | JAN | Clarke, Jasper, Jones, Leake, Madison, Neshoba and 3 more | 69 min |
| Jul 11, 4:34 PM CDT | Special Weather Statement | JAN | Kemper, Lauderdale | 46 min |
Nearby
Flash Flood Warnings in Mississippi, 2012Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.