Alert archive / Tennessee / Flash Flood Warnings in 2008

Flash Flood Warning 113, NWS Memphis, TN

June 14, 20085 counties in Tennessee

NWS Memphis, TN issued this flash flood warning at Jun 14, 2008, 12:21 AM CDT for 5 counties in Tennessee. 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: Jun 14, 2008, 12:21 AM CDT (05:21 UTC)
Expired: Jun 14, 2008, 3:15 AM CDT
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: None

Counties Chester County, TN, Hardeman County, TN, Hardin County, TN, Madison County, TN, McNairy County, TN

The radar

The Memphis radar (KNQA), 131 km from the middle of the area, began a volume at 05:24 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, 5.4 hours before the alert went out and 151 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: 1331 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1481 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMEG 140521
FFWMEG
TNC023-069-071-109-113-140815-
/O.NEW.KMEG.FF.W.0113.080614T0521Z-080614T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1221 AM CDT SAT JUN 14 2008

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHESTER COUNTY IN SOUTHWEST TENNESSEE...
  NORTHERN HARDEMAN COUNTY IN SOUTHWEST TENNESSEE...
  NORTHERN HARDIN COUNTY IN SOUTHWEST TENNESSEE...
  SOUTHERN MADISON COUNTY IN SOUTHWEST TENNESSEE...
  NORTHERN MCNAIRY COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 315 AM CDT

* AT 1221 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN OVER THE WARNED AREA. OVER THE PAST HOUR 1 TO 3
  INCHES OF RAINFALL HAS FALLEN ACROSS THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MERCER AND
  JACKS CREEK.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

.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 3519 8801 3512 8919 3543 8912 3543 8908
      3563 8906 3549 8836 3543 8836 3542 8825
      3543 8824 3538 8819 3539 8810 3542 8806
      3535 8800
TIME...MOT...LOC 0521Z 180DEG 0KT 3545 8868

$$

1 follow-up statement

000 
WGUS74 KMEG 140818
FFSMEG

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
318 AM CDT SAT JUN 14 2008

TNC023-069-071-109-113-140828-
/O.EXP.KMEG.FF.W.0113.000000T0000Z-080614T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON TN-CHESTER TN-HARDEMAN TN-HARDIN TN-MCNAIRY TN-
318 AM CDT SAT JUN 14 2008

...THE FLASH FLOOD WARNING HAS EXPIRED FOR NORTHERN MCNAIRY...
NORTHERN HARDIN...NORTHERN HARDEMAN...CHESTER AND SOUTHERN MADISON
COUNTIES...

THE HEAVY RAINFALL WHICH PROMPTED THE WARNING HAS DIMINISHED OR
EXITED THE WARNED AREA. THUS THE FLASH FLOOD WARNING HAS BEEN ALLOWED
TO EXPIRE.

LAT...LON 3519 8801 3512 8919 3543 8912 3543 8908
      3563 8906 3549 8836 3543 8836 3542 8825
      3543 8824 3538 8819 3539 8810 3542 8806
      3535 8800
TIME...MOT...LOC 0521Z 180DEG 0KT 3545 8868

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 7:04 PM CDT	Severe Thunderstorm Warning	MEG	Henry, Weakley	41 min
Jun 13, 7:47 PM CDT	Areal Flood Advisory	MEG	Henry, Weakley	118 min
Jun 13, 7:52 PM CDT	Severe Thunderstorm Warning	MEG	Dyer, Gibson, Obion, Weakley	38 min
Jun 13, 8:01 PM CDT	Severe Thunderstorm Warning	MEG	Henry	59 min
Jun 13, 8:19 PM CDT	Flash Flood Warning	MEG	Henry, Obion, Weakley	3 hr
Jun 13, 8:28 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Gibson, Henry, Weakley	47 min
Jun 13, 8:54 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Crockett, Decatur, Gibson, Haywood, Henderson and 1 more	51 min
Jun 13, 8:58 PM CDT	Severe Thunderstorm Warning	MEG	Henry	29 min
Jun 13, 9:20 PM CDT	Areal Flood Advisory	MEG	Crockett, Dyer, Gibson, Lauderdale, Obion	3 hr
Jun 13, 10:14 PM CDT	Areal Flood Advisory	MEG	Carroll, Gibson, Lauderdale, Tipton	3 hr
Jun 13, 10:19 PM CDT	Severe Thunderstorm Warning	MEG	Shelby, Tipton	56 min
Jun 13, 10:20 PM CDT	Areal Flood Advisory	MEG	Crockett, Haywood, Lauderdale	115 min
Jun 13, 10:50 PM CDT	Areal Flood Advisory	MEG	Shelby	115 min
Jun 13, 11:01 PM CDT	Areal Flood Advisory	MEG	Chester, Decatur, Haywood, Henderson, Madison	119 min
Jun 13, 11:22 PM CDT	Areal Flood Advisory	MEG	Fayette, Hardeman, Haywood, Madison, Tipton	113 min
Jun 13, 11:47 PM CDT	Flash Flood Warning	MEG	Shelby	80 min
Jun 14, 12:04 AM CDT	Areal Flood Advisory	MEG	Chester, Decatur, Hardeman, Hardin, Henderson, McNairy and 1 more	116 min
Jun 14, 3:17 AM CDT	Areal Flood Advisory	MEG	Haywood, Lauderdale, Tipton	118 min

Nearby

Flash Flood Warnings in Tennessee, 2008 Every flash flood warning in 2008

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.