Alert archive / Tennessee / Flash Flood Warnings in 2012
Flash Flood Warning 21, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at May 7, 2012, 5:39 AM CDT for Lauderdale County, Tipton County, Tennessee; Dunklin County, Missouri; Mississippi County, Arkansas. 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, 5:39 AM CDT (10:39 UTC)
- Expired
- May 7, 2012, 8:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Mississippi County, AR, Dunklin County, MO, Lauderdale County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 62 km from the middle of the area, began a volume at 10:41 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, 10.7 hours before the alert went out and 119 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.
123
WGUS54 KMEG 071039
FFWMEG
ARC093-MOC069-TNC097-167-071345-
/O.NEW.KMEG.FF.W.0021.120507T1039Z-120507T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
539 AM CDT MON MAY 7 2012
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
SOUTHWESTERN DUNKLIN COUNTY IN SOUTHEAST MISSOURI...
WESTERN LAUDERDALE COUNTY IN SOUTHWEST TENNESSEE...
NORTH CENTRAL TIPTON COUNTY IN SOUTHWEST TENNESSEE...
* UNTIL 845 AM CDT
* AT 539 AM CDT...DOPPLER RADAR ESTIMATES 4 TO 6 INCHES OF RAINFALL
HAS OCCURRED OVER THE PAST 6 HOURS. SHOWERS AND THUNDERSTORMS WILL
PRODUCE AN ADDITIONAL 1 TO 3 INCHES OF RAIN OVER THE NEXT 3 HOURS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BLYTHEVILLE...GOSNELL...LUXORA...COVINGTON...COTTON PLANT...
EUROPA...HOLLYWOOD...SUNRISE...PAULDING...HORNERSVILLE JUNCTION...
GILBERT AND FORT PILLOW STATE PARK.
THIS WARNING ALSO INCLUDES AREAS NEAR OPEN LAKE AND SUNK LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.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 3602 8996 3600 8996 3600 8993 3592 8971
3553 8958 3551 8982 3584 8998 3595 9029
3599 9029 3614 9013
$$1 follow-up statement
103
WGUS74 KMEG 071337
FFSMEG
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
837 AM CDT MON MAY 7 2012
ARC093-MOC069-TNC097-167-071347-
/O.EXP.KMEG.FF.W.0021.000000T0000Z-120507T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MISSISSIPPI AR-DUNKLIN MO-LAUDERDALE TN-TIPTON TN-
837 AM CDT MON MAY 7 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 845 AM CDT FOR NORTH
CENTRAL TIPTON...WESTERN LAUDERDALE...SOUTHWESTERN DUNKLIN AND
NORTHERN MISSISSIPPI COUNTIES...
THE HEAVY RAINFALL WHICH PROMPTED THE WARNING HAS DIMINISHED ACROSS
THE WARNED AREA. THUS THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO
EXPIRE.
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.
LAT...LON 3602 8996 3600 8996 3600 8993 3592 8971
3553 8958 3551 8982 3584 8998 3595 9029
3599 9029 3614 9013
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 6, 11:28 PM CDT | Special Weather Statement | MEG | Chester, Fayette, Hardeman | 62 min |
| May 7, 1:04 AM CDT | Flash Flood Warning | MEG | Chester, Hardeman, McNairy | 3 hr |
| 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, 4:57 AM CDT | Flash Flood Warning | MEG | Dunklin | 3 hr |
| May 7, 8:05 AM CDT | Flash Flood Warning | MEG | Dunklin | 115 min |
| May 6, 7:30 PM CDT | Special Weather Statement | MEG | Clay | 30 min |
| May 6, 7:33 PM CDT | Special Weather Statement | MEG | Greene | 27 min |
| May 6, 7:44 PM CDT | Special Weather Statement | MEG | Mississippi | 31 min |
| May 6, 8:24 PM CDT | Special Weather Statement | MEG | Clay | 36 min |
| May 6, 8:44 PM CDT | Special Weather Statement | MEG | Mississippi | 31 min |
| May 6, 9:21 PM CDT | Special Weather Statement | MEG | Mississippi | 39 min |
| May 7, 1:07 AM CDT | Special Weather Statement | MEG | Mississippi | 23 min |
| May 7, 1:11 AM CDT | Special Weather Statement | MEG | Clay | 34 min |
| May 7, 1:38 AM CDT | Special Weather Statement | MEG | Cross | 52 min |
| May 7, 1:41 AM CDT | Flash Flood Warning | MEG | Clay, Randolph | 3 hr |
Nearby
Flash Flood Warnings in Tennessee, 2012Flash Flood Warnings in Missouri, 2012Flash Flood Warnings in Arkansas, 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.