Alert archive / Mississippi / Flash Flood Warnings in 2012
Flash Flood Warning 17, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at May 7, 2012, 1:04 AM CDT for 6 counties in Mississippi; Chester County, Hardeman County, McNairy County, Tennessee. It was in force for 3 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
- May 7, 2012, 1:04 AM CDT (06:04 UTC)
- Expired
- May 7, 2012, 4:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Alcorn County, MS, Lee County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Chester County, TN, Hardeman County, TN, McNairy County, TN
The radar
The Columbus AFB radar (KGWX), 112 km from the middle of the area, began a volume at 06:04 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
Little Rock, AR (KLZK), launched 00:00Z, 6.1 hours before the alert went out and 136 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
- 1694 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1441 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
277
WGUS54 KMEG 070604
FFWMEG
MSC003-081-117-139-141-145-TNC023-069-109-070900-
/O.NEW.KMEG.FF.W.0017.120507T0604Z-120507T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
104 AM CDT MON MAY 7 2012
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ALCORN COUNTY IN NORTHEAST MISSISSIPPI...
NORTH CENTRAL LEE COUNTY IN NORTHEAST MISSISSIPPI...
PRENTISS COUNTY IN NORTHEAST MISSISSIPPI...
EASTERN TIPPAH COUNTY IN NORTHEAST MISSISSIPPI...
TISHOMINGO COUNTY IN NORTHEAST MISSISSIPPI...
NORTHEASTERN UNION COUNTY IN NORTHEAST MISSISSIPPI...
EXTREME SOUTHWESTERN CHESTER COUNTY IN SOUTHWEST TENNESSEE...
SOUTHEASTERN HARDEMAN COUNTY IN SOUTHWEST TENNESSEE...
MCNAIRY COUNTY IN SOUTHWEST TENNESSEE...
* UNTIL 400 AM CDT
* AT 104 AM CDT...DOPPLER RADAR ESTIMATES 2 TO 4 INCHES OF RAINFALL
HAS OCCURRED OVER THE PAST HOUR. SHOWERS AND THUNDERSTORMS WILL
PRODUCE AN ADDITIONAL 2 TO 4 INCHES OF RAIN OVER THE NEXT 2 HOURS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BOONEVILLE...CORINTH...SELMER...BIG HILL POND STATE PARK AND
TISHOMINGO STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
.MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE
USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS
POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING
FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT FLASH FLOODING ONLY...CALL 1 800 4 3 2 0 8 7 5.
&&
LAT...LON 3460 8813 3446 8887 3506 8883 3526 8888
3527 8851 3507 8854 3501 8838 3500 8838
3497 8829 3463 8812
$$1 follow-up statement
085
WGUS74 KMEG 070851
FFSMEG
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
351 AM CDT MON MAY 7 2012
MSC003-081-117-139-141-145-TNC023-069-109-070901-
/O.EXP.KMEG.FF.W.0017.000000T0000Z-120507T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION MS-TISHOMINGO MS-TIPPAH MS-PRENTISS MS-LEE MS-ALCORN MS-
CHESTER TN-HARDEMAN TN-MCNAIRY TN-
351 AM CDT MON MAY 7 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 400 AM CDT FOR MCNAIRY...
SOUTHEASTERN HARDEMAN...EXTREME SOUTHWESTERN CHESTER...ALCORN...NORTH
CENTRAL LEE...PRENTISS...EASTERN TIPPAH...TISHOMINGO AND NORTHEASTERN
UNION COUNTIES...
THE HEAVY RAINFALL WHICH PROMPTED THE WARNING HAS DIMINISHED ACROSS
THE WARNED AREA. THUS THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO
EXPIRE. OCCASIONAL LIGHT RAIN WILL CONTINUE OVER THE AREA OVER THE
NEXT COUPLE OF HOURS.
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.
LAT...LON 3460 8813 3446 8887 3506 8883 3526 8888
3527 8851 3507 8854 3501 8838 3500 8838
3497 8829 3463 8812
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 11:28 PM CDT | Special Weather Statement | MEG | Marshall | 62 min |
| May 7, 10:33 AM CDT | Special Weather Statement | MEG | Lafayette | 27 min |
| May 7, 11:39 AM CDT | Special Weather Statement | MEG | Chickasaw, Pontotoc | 36 min |
| May 7, 11:54 AM CDT | Special Weather Statement | MEG | Lee | 21 min |
| May 7, 12:52 PM CDT | Severe Thunderstorm Warning | MEG | Monroe | 19 min |
| May 6, 7:58 PM CDT | Severe Thunderstorm Warning | MEG | Lauderdale | 47 min |
| May 6, 9:40 PM CDT | Special Weather Statement | MEG | Tipton | 35 min |
| May 6, 9:49 PM CDT | Flash Flood Warning | MEG | Lauderdale | 3 hr |
| May 6, 10:35 PM CDT | Special Weather Statement | MEG | Shelby | 25 min |
| May 6, 11:01 PM CDT | Special Weather Statement | MEG | Fayette | 29 min |
| May 7, 1:52 AM CDT | Special Weather Statement | MEG | Lauderdale, Tipton | 38 min |
| May 7, 2:40 AM CDT | Flash Flood Warning | MEG | Lauderdale, Tipton | 3 hr |
| May 7, 5:39 AM CDT | Flash Flood Warning | MEG | Lauderdale, Tipton | 3 hr |
Nearby
Flash Flood Warnings in Mississippi, 2012Flash Flood Warnings in Tennessee, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.