Alert archive / Arkansas / Flash Flood Warnings in 2011

Flash Flood Warning 82, NWS Memphis, TN

April 27, 2011Lauderdale County, Shelby County, Tipton County, Tennessee; 6 counties in Arkansas

NWS Memphis, TN issued this flash flood warning at Apr 27, 2011, 7:43 AM CDT for Lauderdale County, Shelby County, Tipton County, Tennessee; 6 counties in Arkansas. It was in force for 6 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: Apr 27, 2011, 7:43 AM CDT (12:43 UTC)
Expired: Apr 27, 2011, 1:45 PM CDT
In force: 6 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: None

Counties Craighead County, AR, Crittenden County, AR, Cross County, AR, Mississippi County, AR, Poinsett County, AR, St. Francis County, AR, Lauderdale County, TN, Shelby County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 76 km from the middle of the area, began a volume at 12:43 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 12:00Z, 0.7 hours before the alert went out and 113 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: 582 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 470 m above ground
0-6 km bulk shear: 91 kt
0-1 km storm-relative helicity: 261 m²/s²
0-3 km storm-relative helicity: 228 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

748 
WGUS54 KMEG 271243
FFWMEG
ARC031-035-037-093-111-123-TNC097-157-167-271845-
/O.NEW.KMEG.FF.W.0082.110427T1243Z-110427T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
743 AM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRAIGHEAD COUNTY IN EASTERN ARKANSAS...
  NORTHERN CRITTENDEN COUNTY IN EASTERN ARKANSAS...
  CROSS COUNTY IN EASTERN ARKANSAS...
  MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  POINSETT COUNTY IN EASTERN ARKANSAS...
  NORTH CENTRAL ST. FRANCIS COUNTY IN EASTERN ARKANSAS...
  WESTERN LAUDERDALE COUNTY IN SOUTHWEST TENNESSEE...
  NORTHWESTERN SHELBY COUNTY IN SOUTHWEST TENNESSEE...
  WESTERN TIPTON COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 145 PM CDT WEDNESDAY

* AT 742 AM CDT... SHOWERS AND THUNDERSTORMS WILL PRODUCE AN         
  ADDITIONAL 2 TO 4 INCHES OF RAIN OVER THE NEXT 6 HOURS.  THIS WILL
  ENHANCE EXISTING FLOODING ISSUES IN LOW LYING AREAS...CREEKS
  AND STREAMS.  

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BAY...
  CARAWAY...EARLE...HARRISBURG...JONESBORO...KEISER...LAKE CITY...
  LEPANTO...LUXORA...MANILA...MARKED TREE...MONETTE...OSCEOLA AND
  PARKIN.

 THIS WARNING ALSO INCLUDES AREAS NEAR BIG LAKE...BRANDYWINE LAKE...
  CORONEE LAKE...SUNK LAKE...THE CHUTE AND WAPANOCCA 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 3588 9088 3589 9087 3592 8971 3538 8972
      3507 9101 3589 9104

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 26, 7:06 PM CDT	Tornado Warning	MEG	Fayette, Haywood, Tipton	54 min
Apr 26, 7:17 PM CDT	Tornado Warning	MEG	Fayette, Shelby	43 min
Apr 26, 7:20 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Shelby, Tipton	37 min
Apr 26, 7:22 PM CDT	Tornado Warning	MEG	Fayette, Hardeman, Haywood	53 min
Apr 26, 7:27 PM CDT	Flash Flood Warning	MEG	Fayette, Haywood, Shelby, Tipton	3 hr
Apr 26, 7:49 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Shelby	56 min
Apr 26, 7:49 PM CDT	Tornado Warning	MEG	Crockett, Haywood	34 min
Apr 26, 8:07 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Fayette, Hardeman, McNairy	68 min
Apr 26, 8:10 PM CDT	Tornado Warning	MEG	Chester, Hardeman, Madison	50 min
Apr 26, 8:26 PM CDT	Severe Thunderstorm Warning	MEG	Shelby, Tipton	39 min
Apr 26, 8:42 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Decatur, Hardin, Henderson, McNairy, Madison	48 min
Apr 26, 8:47 PM CDT	Tornado Warning	MEG	Chester, Hardeman, McNairy	43 min
Apr 26, 8:47 PM CDT	Tornado Warning	MEG	Chester, Decatur, Henderson, McNairy, Madison	58 min
Apr 26, 8:55 PM CDT	Tornado Warning	MEG	McNairy	65 min
Apr 26, 8:57 PM CDT	Flash Flood Warning	MEG	Fayette, Hardeman	6 hr
Apr 26, 9:09 PM CDT	Severe Thunderstorm Warning	MEG	Hardeman, McNairy	51 min
Apr 26, 9:17 PM CDT	Tornado Warning	MEG	Chester, Decatur, Hardin, Henderson, McNairy	43 min
Apr 26, 9:24 PM CDT	Tornado Warning	MEG	McNairy	20 min
Apr 26, 9:45 PM CDT	Flash Flood Warning	MEG	Chester, Decatur, Hardeman, Hardin, Henderson, McNairy and 1 more	6 hr
Apr 26, 9:52 PM CDT	Tornado Warning	MEG	Decatur, Hardin, Henderson	38 min
Apr 26, 9:53 PM CDT	Tornado Warning	MEG	Hardeman, McNairy	35 min
Apr 26, 10:04 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	56 min
Apr 26, 10:17 PM CDT	Tornado Warning	MEG	Decatur, Hardin	28 min
Apr 26, 10:23 PM CDT	Flash Flood Warning	MEG	Fayette, Hardeman, Haywood, Madison, Tipton	4 hr
Apr 26, 10:26 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Hardeman, McNairy	16 min
Apr 26, 10:27 PM CDT	Severe Thunderstorm Warning	MEG	Fayette	48 min
Apr 26, 10:53 PM CDT	Severe Thunderstorm Warning	MEG	Decatur	22 min
Apr 26, 11:08 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood	52 min
Apr 26, 11:29 PM CDT	Flash Flood Warning	MEG	Shelby	6 hr
Apr 26, 11:56 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman	49 min
Apr 27, 12:03 AM CDT	Severe Thunderstorm Warning	MEG	Chester, Crockett, Hardeman, Henderson, McNairy, Madison	42 min
Apr 27, 12:28 AM CDT	Tornado Warning	MEG	Hardeman, McNairy	32 min
Apr 27, 12:45 AM CDT	Severe Thunderstorm Warning	MEG	Chester, Hardeman, McNairy	24 min
Apr 27, 2:24 AM CDT	Tornado Warning	MEG	McNairy	31 min
Apr 27, 2:26 AM CDT	Flash Flood Warning	MEG	Chester, Decatur, Fayette, Hardeman, Hardin, Henderson and 3 more	4 hr
Apr 27, 3:13 AM CDT	Severe Thunderstorm Warning	MEG	McNairy	47 min
Apr 27, 3:14 AM CDT	Tornado Warning	MEG	Hardin, McNairy	46 min
Apr 27, 3:48 AM CDT	Tornado Warning	MEG	Hardin	18 min
Apr 27, 6:33 AM CDT	Flash Flood Warning	MEG	Shelby	4 hr
Apr 27, 7:14 AM CDT	Flash Flood Warning	MEG	Fayette, Hardeman, McNairy, Shelby	4 hr
Apr 27, 7:46 AM CDT	Flash Flood Warning	MEG	Chester, Crockett, Decatur, Fayette, Hardeman, Hardin and 7 more	6 hr
Apr 27, 10:08 AM CDT	Severe Thunderstorm Warning	MEG	Shelby	37 min
Apr 27, 10:25 AM CDT	Severe Thunderstorm Warning	MEG	Fayette, Shelby, Tipton	35 min
Apr 27, 10:32 AM CDT	Flash Flood Warning	MEG	Shelby	4 hr
Apr 27, 10:53 AM CDT	Severe Thunderstorm Warning	MEG	Crockett, Fayette, Gibson, Haywood, Lauderdale, Madison and 1 more	14 min
Apr 27, 10:55 AM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood, McNairy, Madison, Shelby	50 min
Apr 27, 11:00 AM CDT	Flash Flood Warning	MEG	Carroll, Gibson, Henry, Weakley	6 hr
Apr 27, 11:10 AM CDT	Tornado Warning	MEG	Fayette, Shelby	50 min
Apr 27, 11:18 AM CDT	Flash Flood Warning	MEG	Fayette, Hardeman, McNairy, Shelby	6 hr
Apr 27, 11:32 AM CDT	Severe Thunderstorm Warning	MEG	Chester, Fayette, Hardeman, Haywood, Henderson, Madison	28 min
Apr 27, 11:44 AM CDT	Severe Thunderstorm Warning	MEG	Chester, Fayette, Hardeman, Henderson, McNairy	31 min
Apr 27, 11:56 AM CDT	Severe Thunderstorm Warning	MEG	Carroll, Chester, Decatur, Henderson, Madison	34 min
Apr 27, 12:13 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Decatur, Hardeman, Henderson, Madison	17 min
Apr 27, 12:25 PM CDT	Special Weather Statement	MEG	Tipton	35 min
Apr 27, 12:33 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Shelby	42 min
Apr 27, 1:32 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman	28 min
Apr 27, 1:42 PM CDT	Flash Flood Warning	MEG	Lauderdale, Shelby, Tipton	63 min
Apr 27, 1:55 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Fayette, Hardeman, McNairy	12 min
Apr 27, 1:56 PM CDT	Flash Flood Warning	MEG	Chester, Crockett, Decatur, Fayette, Hardeman, Hardin and 7 more	3 hr
Apr 27, 2:32 PM CDT	Areal Flood Warning	MEG	Shelby	3 days
Apr 27, 2:50 PM CDT	Tornado Warning	MEG	Hardin	40 min
Apr 27, 2:58 PM CDT	Areal Flood Warning	MEG	Lauderdale, Shelby, Tipton	5 days
Apr 27, 2:58 PM CDT	Wind Advisory	MEG	Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more	6 hr
Apr 27, 3:07 PM CDT	Severe Thunderstorm Warning	MEG	Decatur, Hardin, McNairy	38 min
Apr 27, 3:26 PM CDT	Tornado Warning	MEG	Dyer	34 min
Apr 27, 3:27 PM CDT	Tornado Warning	MEG	Decatur, Hardin	33 min
Apr 27, 3:29 PM CDT	River Flood Warning	MEG	Decatur, Perry	17 days
Apr 27, 4:59 PM CDT	Areal Flood Warning	MEG	Carroll, Chester, Crockett, Decatur, Fayette, Gibson and 11 more	66 hr
Apr 27, 5:05 PM CDT	Flash Flood Warning	MEG	McNairy	85 min
Apr 27, 5:08 PM CDT	Areal Flood Warning	MEG	Fayette, Hardeman, McNairy, Shelby	66 hr
Apr 27, 5:27 PM CDT	River Flood Warning	MEG	Lauderdale, Tipton	19 hr
Apr 27, 6:27 PM CDT	Areal Flood Warning	MEG	McNairy	36 hr
Apr 26, 7:00 PM CDT	Tornado Warning	MEG	Phillips	30 min
Apr 26, 7:12 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Greene, Lawrence, Randolph	18 min
Apr 26, 7:41 PM CDT	Flash Flood Warning	MEG	Clay, Craighead, Greene, Lawrence, Randolph	6 hr
Apr 26, 8:53 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Lee, Phillips, St. Francis	67 min
Apr 26, 9:01 PM CDT	Tornado Warning	MEG	Crittenden, Lee, Phillips, St. Francis	59 min
Apr 26, 9:14 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Greene, Lawrence, Randolph	46 min
Apr 26, 9:52 PM CDT	Tornado Warning	MEG	Crittenden, Lee, Phillips	53 min
Apr 26, 10:00 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Greene, Mississippi	27 min

Nearby

Flash Flood Warnings in Arkansas, 2011 Flash Flood Warnings in Tennessee, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.