Alert archive / Tennessee / Flash Flood Warnings in 2011

Flash Flood Warning 95, NWS Memphis, TN

May 1, 20119 counties in Tennessee; Pemiscot County, Missouri; Mississippi County, Arkansas

NWS Memphis, TN issued this flash flood warning at May 1, 2011, 11:29 AM CDT for 9 counties in Tennessee; Pemiscot County, Missouri; Mississippi County, 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: May 1, 2011, 11:29 AM CDT (16:29 UTC)
Expired: May 1, 2011, 5:30 PM CDT
In force: 6 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: None

Counties Mississippi County, AR, Pemiscot County, MO, Carroll County, TN, Crockett County, TN, Dyer County, TN, Gibson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 89 km from the middle of the area, began a volume at 16:29 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, 4.5 hours before the alert went out and 182 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: 1 J/kg
Mixed-layer CIN: -230 J/kg
Mixed-layer LCL: 613 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

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

585 
WGUS54 KMEG 011629
FFWMEG
ARC093-MOC155-TNC017-033-045-053-079-095-097-131-183-011930-
/O.NEW.KMEG.FF.W.0095.110501T1629Z-110501T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1129 AM CDT SUN MAY 1 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  NORTHERN CARROLL COUNTY IN NORTHWEST TENNESSEE...
  NORTHWESTERN CROCKETT COUNTY IN NORTHWEST TENNESSEE...
  DYER COUNTY IN NORTHWEST TENNESSEE...
  GIBSON COUNTY IN NORTHWEST TENNESSEE...
  HENRY COUNTY IN NORTHWEST TENNESSEE...
  LAKE COUNTY IN NORTHWEST TENNESSEE...
  OBION COUNTY IN NORTHWEST TENNESSEE...
  WEAKLEY COUNTY IN NORTHWEST TENNESSEE...
  PEMISCOT COUNTY IN SOUTHEAST MISSOURI...
  NORTHERN LAUDERDALE COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 230 PM CDT

* AT 1128 AM CDT...DOPPLER RADAR ESTIMATES ONE TO TWO INCHES OF      
  RAINFALL HAS OCCURRED OVER THE PAST 2 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...LUXORA...CARUTHERSVILLE...DENTON...HAYTI...HAYWARD...
  HOMESTOWN...STEELE...DYERSBURG...MARTIN...MCKENZIE...PARIS...
  TRENTON AND UNION CITY.

 THIS WARNING ALSO INCLUDES AREAS NEAR CHISHOLM LAKE...OPEN LAKE...
  REELFOOT LAKE AND SUNK LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

.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 3636 8808 3626 8808 3610 8821 3581 8936
      3582 8940 3566 8995 3639 8995 3639 8978
      3644 8972 3641 8967 3642 8961 3636 8954
      3646 8956 3651 8953 3650 8949 3645 8948
      3651 8941 3649 8803 3643 8804 3636 8799

$$

2 follow-up statements

828 
WGUS74 KMEG 011837
FFSMEG

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
137 PM CDT SUN MAY 1 2011

TNC017-033-011847-
/O.CAN.KMEG.FF.W.0095.000000T0000Z-110501T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CROCKETT TN-CARROLL TN-
137 PM CDT SUN MAY 1 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN CARROLL
AND NORTHWESTERN CROCKETT 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 3636 8808 3628 8808 3599 8919 3567 8995
      3639 8995 3639 8978 3644 8972 3642 8961
      3636 8954 3651 8953 3645 8948 3651 8941
      3648 8804 3638 8799

$$

ARC093-MOC155-TNC045-053-079-095-097-131-183-011930-
/O.CON.KMEG.FF.W.0095.000000T0000Z-110501T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MISSISSIPPI AR-PEMISCOT MO-LAUDERDALE TN-GIBSON TN-HENRY TN-
WEAKLEY TN-LAKE TN-OBION TN-DYER TN-
137 PM CDT SUN MAY 1 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR
DYER...OBION...LAKE...WEAKLEY...HENRY...NORTHERN GIBSON...NORTHERN
LAUDERDALE...PEMISCOT AND NORTHEASTERN MISSISSIPPI COUNTIES...

AT 137 PM CDT...DOPPLER RADAR ESTIMATES 1 TO 2 INCHES OF RAINFALL HAS
OCCURRED OVER THE PAST 2 HOURS. SHOWERS AND THUNDERSTORMS WILL 
PRODUCE AN ADDITIONAL ONE TO TWO INCHES OF RAIN OVER THE NEXT HOUR.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BLYTHEVILLE...LUXORA...CARUTHERSVILLE...DENTON...HAYTI...HAYWARD...
HOMESTOWN...STEELE...DYERSBURG...MARTIN...PARIS...UNION CITY...PEACH
ORCHARD...STEWART...STANLEY...SWIFT...BAKERVILLE...BRAGGADOCIO...
SHADE...STUBTOWN...CANADY...NEW SURVEY...COVINGTON...COTTONWOOD
POINT...TYLER...HERMONDALE...WEST HERMONDALE...CHANNEL...SAMFORD...
PARIS LANDING STATE PARK AND REELFOOT LAKE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

.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 SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

&&

LAT...LON 3636 8808 3628 8808 3599 8919 3567 8995
      3639 8995 3639 8978 3644 8972 3642 8961
      3636 8954 3651 8953 3645 8948 3651 8941
      3648 8804 3638 8799

$$

794 
WGUS54 KMEG 011911
FFWMEG
ARC093-MOC155-TNC045-053-079-095-097-131-183-012230-
/O.EXT.KMEG.FF.W.0095.000000T0000Z-110501T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
211 PM CDT SUN MAY 1 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN MISSISSIPPI COUNTY IN EASTERN ARKANSAS...
  DYER COUNTY IN NORTHWEST TENNESSEE...
  NORTHERN GIBSON COUNTY IN NORTHWEST TENNESSEE...
  HENRY COUNTY IN NORTHWEST TENNESSEE...
  LAKE COUNTY IN NORTHWEST TENNESSEE...
  OBION COUNTY IN NORTHWEST TENNESSEE...
  WEAKLEY COUNTY IN NORTHWEST TENNESSEE...
  PEMISCOT COUNTY IN SOUTHEAST MISSOURI...
  NORTHERN LAUDERDALE COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 530 PM CDT

* AT 211 PM CDT...DOPPLER RADAR ESTIMATES 1 TO 3 INCHES OF RAINFALL
  HAS OCCURRED OVER THE PAST 3 HOURS. SHOWERS AND THUNDERSTORMS WILL
  PRODUCE AN ADDITIONAL 2 TO 4 INCHES OF RAIN OVER THE NEXT 3 HOURS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BLYTHEVILLE...LUXORA...CARUTHERSVILLE...DENTON...HAYTI...HAYWARD...
  HOMESTOWN...STEELE...DYERSBURG...MARTIN...PARIS...UNION CITY...
  PEACH ORCHARD AND STEWART.

 THIS WARNING ALSO INCLUDES AREAS NEAR CHISHOLM LAKE...OPEN LAKE AND
  REELFOOT LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

.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 3636 8808 3628 8808 3599 8919 3567 8995
      3639 8995 3639 8978 3644 8972 3642 8961
      3636 8954 3651 8953 3645 8948 3651 8941
      3648 8804 3638 8799

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 1:20 AM CDT	Special Weather Statement	MEG	Dyer, Lauderdale	25 min
May 1, 2:28 AM CDT	Special Weather Statement	MEG	Crockett, Gibson, Haywood	32 min
May 1, 2:29 AM CDT	Special Weather Statement	MEG	Lauderdale, Tipton	31 min
May 1, 3:04 AM CDT	Special Weather Statement	MEG	Crockett, Haywood	26 min
May 1, 3:11 AM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Shelby, Tipton	49 min
May 1, 3:33 AM CDT	Special Weather Statement	MEG	Gibson	27 min
May 1, 3:47 AM CDT	Special Weather Statement	MEG	Haywood	28 min
May 1, 4:21 AM CDT	Special Weather Statement	MEG	Haywood	24 min
May 1, 4:47 AM CDT	Flash Flood Warning	MEG	Carroll, Chester, Crockett, Decatur, Fayette, Gibson and 9 more	9 hr
May 1, 7:32 AM CDT	Special Weather Statement	MEG	Shelby, Tipton	28 min
May 1, 8:44 AM CDT	Special Weather Statement	MEG	Shelby	46 min
May 1, 9:40 AM CDT	Special Weather Statement	MEG	Haywood, Tipton	50 min
May 1, 10:53 AM CDT	River Flood Warning	MEG	Shelby	62 hr
May 1, 10:53 AM CDT	River Flood Warning	MEG	Fayette, Shelby	62 hr
May 1, 11:09 AM CDT	Special Weather Statement	MEG	Lauderdale	51 min
May 1, 11:10 AM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Tipton	23 min
May 1, 11:56 AM CDT	Special Weather Statement	MEG	Lauderdale	49 min
May 1, 12:35 PM CDT	Areal Flood Advisory	MEG	Shelby, Tipton	12 hr
May 1, 12:41 PM CDT	Special Weather Statement	MEG	Dyer, Lake, Lauderdale	49 min
May 1, 2:15 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	60 min
May 1, 2:16 PM CDT	Special Weather Statement	MEG	Obion	29 min
May 1, 2:24 PM CDT	Severe Thunderstorm Warning	MEG	Dyer, Lauderdale, Tipton	51 min
May 1, 2:42 PM CDT	Tornado Warning	MEG	Lauderdale, Shelby, Tipton	48 min
May 1, 2:53 PM CDT	Severe Thunderstorm Warning	MEG	Dyer, Haywood, Lauderdale, Tipton	52 min
May 1, 2:59 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	46 min
May 1, 3:10 PM CDT	Tornado Warning	MEG	Shelby	41 min
May 1, 3:22 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Dyer, Fayette, Gibson, Haywood, Lauderdale and 2 more	53 min
May 1, 3:37 PM CDT	Severe Thunderstorm Warning	MEG	Dyer, Gibson, Henry, Obion, Weakley	38 min
May 1, 3:54 PM CDT	Tornado Warning	MEG	Fayette, Hardeman, Haywood, Madison	34 min
May 1, 3:56 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Crockett, Gibson, Haywood, Henderson, Madison and 1 more	49 min
May 1, 3:59 PM CDT	Flash Flood Warning	MEG	Carroll, Crockett, Decatur, Dyer, Fayette, Gibson and 8 more	3 hr
May 1, 4:40 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Shelby	50 min
May 1, 5:26 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood, Madison, Shelby, Tipton	49 min
May 1, 5:48 PM CDT	Tornado Warning	MEG	Fayette, Hardeman, Haywood, Madison	33 min
May 1, 10:45 AM CDT	Flash Flood Warning	MEG	Dunklin, Pemiscot	9 hr
May 1, 1:33 PM CDT	Special Weather Statement	MEG	Dunklin, Pemiscot	42 min
Apr 30, 7:10 PM CDT	Special Weather Statement	MEG	Randolph	35 min
Apr 30, 7:22 PM CDT	Special Weather Statement	MEG	Clay	38 min
Apr 30, 7:37 PM CDT	Special Weather Statement	MEG	Greene	38 min
Apr 30, 8:03 PM CDT	Special Weather Statement	MEG	Clay	27 min
Apr 30, 8:10 PM CDT	Severe Thunderstorm Warning	MEG	Clay, Greene	50 min
Apr 30, 10:23 PM CDT	Special Weather Statement	MEG	Randolph	37 min
Apr 30, 11:20 PM CDT	Special Weather Statement	MEG	Clay	25 min
Apr 30, 11:31 PM CDT	Special Weather Statement	MEG	Craighead	44 min
May 1, 12:31 AM CDT	Special Weather Statement	MEG	Cross, Poinsett	44 min
May 1, 12:42 AM CDT	Special Weather Statement	MEG	Mississippi	33 min
May 1, 1:35 AM CDT	Special Weather Statement	MEG	Cross	25 min
May 1, 2:01 AM CDT	Special Weather Statement	MEG	Mississippi	29 min
May 1, 3:02 AM CDT	Special Weather Statement	MEG	Crittenden	28 min
May 1, 6:41 AM CDT	Special Weather Statement	MEG	Lee, St. Francis	34 min
May 1, 7:12 AM CDT	Special Weather Statement	MEG	Crittenden	33 min
May 1, 9:12 AM CDT	Special Weather Statement	MEG	Lee	48 min
May 1, 10:00 AM CDT	Special Weather Statement	MEG	Lee, St. Francis	45 min
May 1, 10:37 AM CDT	Special Weather Statement	MEG	Crittenden, St. Francis	53 min
May 1, 11:20 AM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Cross, Mississippi, Poinsett	40 min
May 1, 12:50 PM CDT	Special Weather Statement	MEG	Craighead	40 min
May 1, 12:55 PM CDT	Special Weather Statement	MEG	Cross, Poinsett	50 min
May 1, 1:26 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Lee, St. Francis	49 min
May 1, 1:41 PM CDT	Flash Flood Warning	MEG	Crittenden, Cross, Lee, Mississippi, Poinsett, St. Francis	6 hr
May 1, 2:11 PM CDT	Special Weather Statement	MEG	Mississippi	49 min
May 1, 2:17 PM CDT	Severe Thunderstorm Warning	MEG	Lee, St. Francis	43 min

Nearby

Flash Flood Warnings in Tennessee, 2011 Flash Flood Warnings in Missouri, 2011 Flash Flood Warnings in Arkansas, 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.