Alert archive / Mississippi / Flash Flood Watches in 2014

Flash Flood Watch 11, NWS Memphis, TN

October 13, 201421 counties in Tennessee; 22 counties in Mississippi; 12 counties in Arkansas

NWS Memphis, TN issued this flash flood watch at Oct 13, 2014, 3:54 AM CDT for 21 counties in Tennessee; 22 counties in Mississippi; 12 counties in Arkansas. It took effect at Oct 13, 2014, 4:00 AM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Oct 13, 2014, 3:54 AM CDT (08:54 UTC)
In effect from
Oct 13, 2014, 4:00 AM CDT
Expired
Oct 13, 2014, 7:23 PM CDT
In force
15 hr
Issued by
NWS Memphis, TN
Flood severity
None
All 55 counties

Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Coahoma County, MS, DeSoto County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Yalobusha County, MS, Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 42 km from the middle of the area, began a volume at 08:54 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 (KBYH), launched 00:00Z, 8.9 hours before the alert went out and 58 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 00:00Z on 2014-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 455 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2014-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 square meters per square second.1939587897Sfc1 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
455 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Memphis, TN wrote its last area forecast discussion before this flash flood watch went out at Oct 13, 3:41 AM CDT, 13 minutes earlier.

Area forecast discussion, Oct 13, 3:41 AM CDT, 13 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Oct 12, 4:10 PM CDT, 11 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MEMPHIS TN
410 PM CDT SUN OCT 12 2014

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-131100-
ALCORN-BENTON MS-BENTON TN-CALHOUN-CARROLL-CHESTER-CHICKASAW-CLAY-
COAHOMA-CRAIGHEAD-CRITTENDEN-CROCKETT-CROSS-DESOTO-DECATUR-
DUNKLIN-DYER-FAYETTE-GIBSON-GREENE-HARDEMAN-HARDIN-HAYWOOD-
HENDERSON-HENRY-ITAWAMBA-LAFAYETTE-LAKE-LAUDERDALE-LAWRENCE-
LEE AR-LEE MS-MADISON-MARSHALL-MCNAIRY-MISSISSIPPI-MONROE-OBION-
PANOLA-PEMISCOT-PHILLIPS-POINSETT-PONTOTOC-PRENTISS-QUITMAN-
RANDOLPH-SHELBY-ST. FRANCIS-TALLAHATCHIE-TATE-TIPPAH-TIPTON-
TISHOMINGO-TUNICA-UNION-WEAKLEY-YALOBUSHA-
410 PM CDT SUN OCT 12 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS...
THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE.

.DAY ONE...TODAY AND TONIGHT

A FEW STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE OVER NORTHEAST
MISSISSIPPI THROUGH THIS EVENING. DAMAGING WINDS WINDS IS THE
PRIMARY THREAT FOR ANY THUNDERSTORM THAT REACHES SEVERE LIMITS.

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO
DEVELOP LATE TONIGHT TOWARDS MONDAY MORNING ACROSS NORTHEAST
ARKANSAS...THE MISSOURI BOOTHEEL AND NORTHWEST TENNESSEE. A FEW
STRONG TO SEVERE STORMS ARE POSSIBLE. DAMAGING WINDS AND LARGE HAIL
WOULD BE THE MAIN THREAT WITH ANY STORM THAT BECOMES SEVERE. HEAVY
RAINFALL AND LOCALIZED FLASH FLOODING IS ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THERE IS A SLIGHT RISK FOR SEVERE STORMS MONDAY INTO MONDAY NIGHT
AS A STRONG UPPER LEVEL TROUGH AND COLD FRONT MOVE THROUGH THE
MID SOUTH. DAMAGING WINDS WILL BE THE MAIN THREAT THOUGH A FEW
TORNADOES ARE POSSIBLE. LARGE HAIL IS A SECONDARY THREAT.

A WIND ADVISORY HAS BEEN ISSUED FOR AREAS ALONG AND WEST OF THE
MISSISSIPPI RIVER ON MONDAY FROM 10 AM CDT TO 7 AM CDT.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION MAY BE NEEDED MONDAY AND MONDAY NIGHT IN
SUPPORT OF SEVERE WEATHER OPERATIONS.

In the hours before

Special weather statement, Oct 12, 10:36 PM CDT, 5 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1036 PM CDT SUN OCT 12 2014

MSZ015-016-130400-
PONTOTOC MS-LEE MS-
1036 PM CDT SUN OCT 12 2014

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1100 PM CDT FOR...

  NORTHERN LEE COUNTY IN NORTHEAST MISSISSIPPI...
  NORTHEASTERN PONTOTOC COUNTY IN NORTHEAST MISSISSIPPI...

A STRONG THUNDERSTORM PRODUCING PENNY SIZE HAIL AND WINDS TO 50 MPH
WAS LOCATED 3 MILES NORTHEAST OF FURRS AT 1036 PM CDT...MOVING
NORTHEAST AT 20 MPH.

VERY HEAVY RAIN WILL OCCUR WITH THIS THUNDERSTORM.

PEOPLE IN LEE AND PONTOTOC COUNTIES...INCLUDING LOCATIONS NEAR TRACE
STATE PARK AND TUPELO...SHOULD MONITOR THIS STORM CLOSELY.

&&

LAT...LON 3415 8884 3425 8892 3440 8880 3440 8879
      3441 8879 3447 8874 3431 8858
TIME...MOT...LOC 0336Z 230DEG 19KT 3426 8882
Local storm report, Oct 12, 11:09 PM CDT, 4 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
1109 PM CDT SUN OCT 12 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1045 PM     HAIL             3 NW TUPELO             34.29N 88.77W
10/12/2014  U1.00 INCH       LEE                MS   PUBLIC

&&

PWB
Special weather statement, Oct 13, 12:29 AM CDT, 3 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1229 AM CDT MON OCT 13 2014

TNZ003-004-130600-
WEAKLEY TN-HENRY TN-
1229 AM CDT MON OCT 13 2014

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 100 AM CDT FOR...

  NORTHWESTERN HENRY COUNTY IN NORTHWEST TENNESSEE...
  EASTERN WEAKLEY COUNTY IN NORTHWEST TENNESSEE...

A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER AND WINDS AT
LEAST 40 MPH WAS LOCATED 3 MILES WEST OF GLEASON AT 1229 AM CDT...
MOVING NORTHEAST AT 30 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS  THUNDERSTORM.

PEOPLE IN HENRY AND WEAKLEY COUNTIES SHOULD MONITOR THIS STORM
CLOSELY.

&&

LAT...LON 3616 8853 3622 8881 3651 8868 3650 8814
TIME...MOT...LOC 0529Z 224DEG 25KT 3623 8865
Special weather statement, Oct 13, 12:37 AM CDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1237 AM CDT MON OCT 13 2014

MSZ022-023-130615-
CHICKASAW MS-CALHOUN MS-
1237 AM CDT MON OCT 13 2014

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 115 AM CDT FOR...

  SOUTHERN CALHOUN COUNTY IN NORTHEAST MISSISSIPPI...
  SOUTHWESTERN CHICKASAW COUNTY IN NORTHEAST MISSISSIPPI...

A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER AND WINDS AT
LEAST 40 MPH WAS LOCATED 4 MILES SOUTHEAST OF SABOUGLA AT 1237 AM
CDT...MOVING NORTHEAST AT 40 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS  THUNDERSTORM.

PEOPLE IN CALHOUN AND CHICKASAW COUNTIES SHOULD MONITOR THIS STORM
CLOSELY.

&&

LAT...LON 3372 8950 3396 8951 3396 8903 3373 8904
      3373 8918 3372 8920
TIME...MOT...LOC 0537Z 224DEG 35KT 3373 8942
Special weather statement, Oct 13, 1:17 AM CDT, 2 hours 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
117 AM CDT MON OCT 13 2014

MSZ013-021-022-130645-
YALOBUSHA MS-LAFAYETTE MS-CALHOUN MS-
117 AM CDT MON OCT 13 2014

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 145 AM CDT FOR...

  CALHOUN COUNTY IN NORTHEAST MISSISSIPPI...
  SOUTHERN LAFAYETTE COUNTY IN NORTHWEST MISSISSIPPI...
  YALOBUSHA COUNTY IN NORTHWEST MISSISSIPPI...

A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER AND WINDS AT
LEAST 40 MPH WAS LOCATED 7 MILES SOUTHWEST OF COFFEEVILLE AT 117 AM
CDT...MOVING NORTHEAST AT 65 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS  THUNDERSTORM.

PEOPLE IN CALHOUN...LAFAYETTE AND YALOBUSHA COUNTIES...INCLUDING
LOCATIONS NEAR WATER VALLEY...SHOULD MONITOR THIS STORM CLOSELY. THIS
SIGNIFICANT WEATHER ALERT ALSO INCLUDES SARDIS LAKE.

&&

LAT...LON 3373 8952 3386 8952 3386 8969 3387 8978
      3389 8978 3390 8979 3416 8980 3416 8973
      3422 8972 3439 8925 3372 8925 3372 8951
TIME...MOT...LOC 0617Z 226DEG 57KT 3393 8967
Special weather statement, Oct 13, 1:38 AM CDT, 2 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
138 AM CDT MON OCT 13 2014

MSZ013>015-022-023-130730-
UNION MS-PONTOTOC MS-LAFAYETTE MS-CHICKASAW MS-CALHOUN MS-
138 AM CDT MON OCT 13 2014

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 230 AM CDT FOR...

  CALHOUN COUNTY IN NORTHEAST MISSISSIPPI...
  WESTERN CHICKASAW COUNTY IN NORTHEAST MISSISSIPPI...
  WESTERN PONTOTOC COUNTY IN NORTHEAST MISSISSIPPI...
  EXTREME SOUTHWESTERN UNION COUNTY IN NORTHEAST MISSISSIPPI...
  SOUTHEASTERN LAFAYETTE COUNTY IN NORTHWEST MISSISSIPPI...

A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER AND WINDS AT
LEAST 40 MPH WAS LOCATED 6 MILES WEST OF BRUCE AT 139 AM CDT...MOVING
NORTHEAST AT 35 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS  THUNDERSTORM.

PEOPLE IN CALHOUN...CHICKASAW...LAFAYETTE...PONTOTOC AND UNION
COUNTIES SHOULD MONITOR THIS STORM CLOSELY.

&&

LAT...LON 3438 8937 3438 8903 3384 8903 3372 8951
      3431 8949
TIME...MOT...LOC 0639Z 228DEG 32KT 3401 8943

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 12:29 AM CDTSpecial Weather StatementMEGWeakley31 min
Oct 13, 12:43 PM CDTSevere Thunderstorm WarningMEGLauderdale, Shelby, Tipton47 min
Oct 13, 1:32 PM CDTSevere Thunderstorm WarningMEGDyer, Lauderdale28 min
Oct 13, 1:58 PM CDTSevere Thunderstorm WarningMEGDyer, Lake, Obion32 min
Oct 13, 2:30 PM CDTSevere Thunderstorm WarningMEGLake, Obion30 min
Oct 13, 2:44 PM CDTSevere Thunderstorm WarningMEGObion, Weakley31 min
Oct 13, 3:22 PM CDTTornado WarningMEGChester, Hardin, McNairy23 min
Oct 13, 3:42 PM CDTTornado WarningMEGChester, Decatur, Hardin, Henderson, McNairy33 min
Oct 13, 4:06 PM CDTTornado WarningMEGDecatur, Hardin, Henderson24 min
Oct 13, 4:27 PM CDTTornado WarningMEGDecatur18 min
Oct 13, 4:43 PM CDTTornado WarningMEGChester, Decatur, Hardin, Henderson, McNairy32 min
Oct 12, 10:19 PM CDTSpecial Weather StatementMEGYalobusha26 min
Oct 12, 10:36 PM CDTSpecial Weather StatementMEGLee24 min
Oct 12, 10:44 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Prentiss14 min
Oct 13, 12:37 AM CDTSpecial Weather StatementMEGCalhoun38 min
Oct 13, 1:17 AM CDTSpecial Weather StatementMEGCalhoun, Yalobusha28 min
Oct 13, 1:38 AM CDTSpecial Weather StatementMEGCalhoun, Pontotoc52 min
Oct 13, 2:04 AM CDTFlash Flood WarningMEGItawamba, Lee, Pontotoc, Prentiss, Tishomingo, Union116 min
Oct 13, 11:56 AM CDTSevere Thunderstorm WarningMEGCoahoma49 min
Oct 13, 12:04 PM CDTSevere Thunderstorm WarningMEGTunica41 min
Oct 13, 12:52 PM CDTSevere Thunderstorm WarningMEGCoahoma, DeSoto, Panola, Quitman, Tate, Tunica38 min
Oct 13, 3:01 PM CDTTornado WarningMEGLafayette29 min
Oct 13, 3:14 PM CDTSevere Thunderstorm WarningMEGCalhoun, Yalobusha31 min
Oct 13, 3:40 PM CDTSevere Thunderstorm WarningMEGItawamba, Monroe50 min
Oct 13, 4:13 PM CDTSevere Thunderstorm WarningMEGItawamba, Tishomingo32 min
Oct 13, 4:30 PM CDTSevere Thunderstorm WarningMEGItawamba, Monroe14 min
Oct 13, 4:55 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee35 min
Oct 13, 6:04 PM CDTSevere Thunderstorm WarningMEGMonroe15 min
Oct 13, 11:07 AM CDTAreal Flood AdvisoryMEGRandolph3 hr
Oct 13, 12:37 PM CDTSevere Thunderstorm WarningMEGClay, Greene23 min
Oct 13, 12:47 PM CDTTornado WarningMEGClay17 min
Oct 13, 12:57 PM CDTSevere Thunderstorm WarningMEGClay, Craighead, Greene48 min

Nearby

Flash Flood Watches in Mississippi, 2014Flash Flood Watches in Tennessee, 2014Flash Flood Watches in Arkansas, 2014Every flash flood watch in 2014

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.