Alert archive / Arkansas / Flash Flood Warnings in 2012
Flash Flood Warning 57, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Sep 6, 2012, 9:47 PM CDT for Crittenden County, Arkansas; DeSoto County, Mississippi; Shelby County, Tennessee. It was in force for 99 min. 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 6, 2012, 9:47 PM CDT (02:47 UTC)
- Expired
- Sep 6, 2012, 11:26 PM CDT
- In force
- 99 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crittenden County, AR, DeSoto County, MS, Shelby County, TN
The radar
The Memphis radar (KNQA), 34 km from the middle of the area, began a volume at 02:47 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 6, 10:11 PM CDT | FLASH FLOOD | Southaven, MS | FLOODING AT GOODMAN AND GETWELL. FLOODING AT HWY 305 AND COLLEGE ROAD. |
| Sep 6, 10:15 PM CDT | FLASH FLOOD | Horn Lake, MS | STREET FLOODING IN COLONIAL HILLS SUBDIVISION AND AT HWY 51 AND OLD HWY 51. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 2.8 hours before the alert went out and 26 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
- 3100 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1404 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.5
The text
As transmitted, in the capitals the NWS used until 2016.
886 WGUS54 KMEG 070247 FFWMEG ARC035-MSC033-TNC157-070545- /O.NEW.KMEG.FF.W.0057.120907T0247Z-120907T0545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 947 PM CDT THU SEP 6 2012 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN CRITTENDEN COUNTY IN EASTERN ARKANSAS... DESOTO COUNTY IN NORTHWEST MISSISSIPPI... SOUTHERN SHELBY COUNTY IN SOUTHWEST TENNESSEE... * UNTIL 1245 AM CDT * AT 948 PM CDT...DOPPLER RADAR ESTIMATES 2 TO 4 INCHES OF RAINFALL HAS OCCURRED OVER THE PAST HOUR. SHOWERS AND THUNDERSTORMS WILL PRODUCE AN ADDITIONAL 1 TO 3 INCHES OF RAIN OVER THE NEXT 2 HOURS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HERNANDO... HORN LAKE...OLIVE BRANCH...SOUTHAVEN...GERMANTOWN...MIDTOWN MEMPHIS...CORDOVA AND T O FULLER STATE PARK. THIS WARNING ALSO INCLUDES AREAS NEAR LAKE MCKELLAR. 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. .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 3521 9010 3522 8968 3477 8975 3489 9037 $$
1 follow-up statement
124 WGUS74 KMEG 070426 FFSMEG FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1126 PM CDT THU SEP 6 2012 ARC035-MSC033-TNC157-070436- /O.CAN.KMEG.FF.W.0057.000000T0000Z-120907T0545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CRITTENDEN AR-DESOTO MS-SHELBY TN- 1126 PM CDT THU SEP 6 2012 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN SHELBY... DESOTO AND SOUTHERN CRITTENDEN COUNTIES... THE HEAVY RAINFALL WHICH PROMPTED THE WARNING HAS DIMINISHED ACROSS THE WARNED AREA. THUS THE FLASH FLOOD WARNING HAS BEEN CANCELLED. .STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION. TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5. LAT...LON 3521 9010 3522 8968 3477 8975 3489 9037 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 8:15 PM CDT | Areal Flood Advisory | MEG | Crittenden, Lee | 90 min |
| Sep 6, 8:46 PM CDT | Special Weather Statement | MEG | Crittenden | 29 min |
| Sep 6, 8:59 PM CDT | Areal Flood Advisory | MEG | Crittenden | 61 min |
| Sep 7, 3:22 AM CDT | Heat Advisory | MEG | Craighead, Crittenden, Cross, Lee, Mississippi, Phillips and 2 more | 16 hr |
| Sep 7, 4:34 PM CDT | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 41 min |
| Sep 7, 5:18 PM CDT | Special Weather Statement | MEG | Lawrence | 27 min |
| Sep 7, 5:54 PM CDT | Severe Thunderstorm Warning | MEG | Craighead, Greene, Lawrence, Randolph | 51 min |
| Sep 7, 6:39 PM CDT | Severe Thunderstorm Warning | MEG | Craighead, Greene, Lawrence, Poinsett | 51 min |
| Sep 7, 6:46 PM CDT | Areal Flood Advisory | MEG | Lawrence | 89 min |
| Sep 6, 7:48 PM CDT | Special Weather Statement | MEG | Tunica | 27 min |
| Sep 6, 8:14 PM CDT | Special Weather Statement | MEG | DeSoto | 31 min |
| Sep 6, 8:44 PM CDT | Special Weather Statement | MEG | DeSoto | 31 min |
| Sep 6, 9:11 PM CDT | Special Weather Statement | MEG | DeSoto, Tunica | 34 min |
| Sep 6, 9:14 PM CDT | Severe Thunderstorm Warning | MEG | DeSoto, Tate | 31 min |
| Sep 6, 9:46 PM CDT | Special Weather Statement | MEG | DeSoto, Tate | 29 min |
| Sep 6, 10:13 PM CDT | Special Weather Statement | MEG | Lafayette, Panola, Tate | 32 min |
| Sep 6, 7:12 PM CDT | Special Weather Statement | MEG | Henry, Weakley | 33 min |
| Sep 6, 8:21 PM CDT | Special Weather Statement | MEG | Shelby | 24 min |
Nearby
Flash Flood Warnings in Arkansas, 2012Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.