Alert archive / Tennessee / Flash Flood Warnings in 2011

Flash Flood Warning 33, NWS Memphis, TN

March 5, 2011Fayette County, Haywood County, Tipton County, Tennessee

NWS Memphis, TN issued this flash flood warning at Mar 5, 2011, 9:36 AM CST for Fayette County, Haywood County, Tipton County, Tennessee. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 5, 2011, 9:36 AM CST (15:36 UTC)
Expired
Mar 5, 2011, 11:32 AM CST
In force
116 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties Fayette County, TN, Haywood County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 53 km from the middle of the area, began a volume at 15:39 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, 3.6 hours before the alert went out and 96 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-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2011-03-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2011-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -70 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
3 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-70 m²/s²
0-3 km storm-relative helicity
-54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

697 
WGUS54 KMEG 051536
FFWMEG
TNC047-075-167-051830-
/O.NEW.KMEG.FF.W.0033.110305T1536Z-110305T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
936 AM CST SAT MAR 5 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN FAYETTE COUNTY IN SOUTHWEST TENNESSEE...
  HAYWOOD COUNTY IN SOUTHWEST TENNESSEE...
  SOUTHEASTERN TIPTON COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 1230 PM CST

* AT 935 AM CST... 2 TO 4 INCHES OF RAINFALL HAS OCCURRED OVER THE   
  PAST 3 HOURS. SEVERAL LOW WATER CROSSINGS IN THE BRADEN AREA IN    
  FAYETTE COUNTY AND THE STANTON AREA IN HAYWOOD COUNTY WERE FLOODED.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BROWNSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.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 3573 8914 3569 8907 3552 8907 3543 8911
      3544 8919 3525 8919 3520 8921 3525 8963
      3526 8964 3540 8964 3560 8953 3560 8947
      3569 8947 3573 8944 3579 8944 3580 8941

$$
1 follow-up statement
174 
WGUS74 KMEG 051732
FFSMEG

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1132 AM CST SAT MAR 5 2011

TNC047-075-167-051743-
/O.CAN.KMEG.FF.W.0033.000000T0000Z-110305T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FAYETTE TN-HAYWOOD TN-TIPTON TN-
1132 AM CST SAT MAR 5 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN
TIPTON...HAYWOOD AND NORTHERN FAYETTE 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 3573 8914 3569 8907 3552 8907 3543 8911
      3544 8919 3525 8919 3520 8921 3525 8963
      3526 8964 3540 8964 3560 8953 3560 8947
      3569 8947 3573 8944 3579 8944 3580 8941

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 6:17 AM CSTFlash Flood WarningMEGLauderdale, Shelby, Tipton3 hr

Nearby

Flash Flood Warnings in Tennessee, 2011Every 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.