Alert archive / Mississippi / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 88, NWS Memphis, TN

May 21, 2013Tallahatchie County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at May 21, 2013, 8:05 PM CDT for Tallahatchie County, Mississippi. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 21, 2013, 8:05 PM CDT (01:05 UTC)
Expired
May 21, 2013, 8:30 PM CDT
In force
25 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

County Tallahatchie County, MS

The radar

The Memphis radar (KNQA), 157 km from the middle of the area, began a volume at 01:08 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 21, 3:00 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.1 hours before the alert went out and 100 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 2013-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 2013-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 square meters per square second.19395878Sfc1 km3 km6 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
57 J/kg
Mixed-layer CIN
-554 J/kg
Mixed-layer LCL
1175 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 21, 8:02 PM CDT, 3 minutes earlier.

Area forecast discussion, May 21, 8:02 PM CDT, 3 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, May 21, 3:18 PM CDT, 4 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
318 PM CDT TUE MAY 21 2013

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-222230-
ALCORN-BENTON MS-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-
318 PM CDT TUE MAY 21 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS THE ENTIRE
MID SOUTH TODAY AND TONIGHT. MULTIPLE ROUNDS OF STRONG TO SEVERE
THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND OVERNIGHT AS A
STRONG AREA OF LOW PRESSURE MOVES INTO THE LOWER MISSISSIPPI
VALLEY. LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY SEVERE
WEATHER THREATS ALONG WITH A SECONDARY POTENTIAL FOR PERHAPS A
TORNADO. LOCALIZED FLASH FLOODING FROM HEAVY RAINFALL WILL ALSO BE
POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGERS MAY BE NEEDED IN
SUPPORT OF SEVERE WEATHER OPERATIONS TODAY AND TONIGHT.

In the hours before

Local storm report, May 21, 5:06 PM CDT, 2 hours 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
506 PM CDT TUE MAY 21 2013

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

0435 PM     FLASH FLOOD      HORN LAKE               34.96N 90.04W
05/21/2013                   DESOTO             MS   PUBLIC

            INTERSECTION OF NAIL ROAD AND TWIN LAKES COMPLETELY
            FLOODED.

0459 PM     FLASH FLOOD      SOUTHAVEN               34.97N 90.00W
05/21/2013                   DESOTO             MS   TRAINED SPOTTER

            WATER OVER RASCO ROAD EAST OF HWY 51. ALSO PEA SIZE HAIL.

&&

ZEI
Local storm report, May 21, 5:08 PM CDT, 2 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
508 PM CDT TUE MAY 21 2013

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

0314 PM     FUNNEL CLOUD     TRUMANN                 35.67N 90.52W
05/21/2013                   POINSETT           AR   PUBLIC

0343 PM     HAIL             3 NE TRUMANN            35.71N 90.48W
05/21/2013  E1.00 INCH       CRAIGHEAD          AR   TRAINED SPOTTER

0355 PM     HAIL             MARKED TREE             35.53N 90.42W
05/21/2013  E0.50 INCH       POINSETT           AR   PUBLIC

            PUBLIC REPORTS DIME SIZE HAIL.

0435 PM     FLASH FLOOD      HORN LAKE               34.96N 90.04W
05/21/2013                   DESOTO             MS   PUBLIC

            INTERSECTION OF NAIL ROAD AND TWIN LAKES COMPLETELY
            FLOODED.

0459 PM     FLASH FLOOD      SOUTHAVEN               34.97N 90.00W
05/21/2013                   DESOTO             MS   TRAINED SPOTTER

            WATER OVER RASCO ROAD EAST OF HWY 51. ALSO PEA SIZE HAIL.

&&

ZEI
Local storm report, May 21, 5:34 PM CDT, 2 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
534 PM CDT TUE MAY 21 2013

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

0521 PM     FLASH FLOOD      HORN LAKE               34.96N 90.04W
05/21/2013                   DESOTO             MS   BROADCAST MEDIA

            LAW ENFORCEMENT CLOSED US HWY51 JUST SOUTH OF STATELINE
            ROAD.

&&

ZEI
Local storm report, May 21, 5:57 PM CDT, 2 hours 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
557 PM CDT TUE MAY 21 2013

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

0537 PM     FLASH FLOOD      HORN LAKE               34.96N 90.04W
05/21/2013                   DESOTO             MS   BROADCAST MEDIA

            NUMEROUS HOMES REPORT FLOODING IN DESOTO VILLAGE. UP TO
            TWO FEET DEEP IN PLACES.

0542 PM     HAIL             3 N COLLIERVILLE        35.10N 89.68W
05/21/2013  E1.00 INCH       SHELBY             TN   PUBLIC

            QUARTER SIZE HAIL COLLIERVILLE-ARLINGTON AND RALEIGH
            LAGRANGE.

&&

ZEI
Local storm report, May 21, 6:37 PM CDT, 1 hour 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
637 PM CDT TUE MAY 21 2013

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

0604 PM     FLASH FLOOD      3 ENE ARLINGTON         35.30N 89.62W
05/21/2013                   FAYETTE            TN   TRAINED SPOTTER

            STATE HWY 196 AT ORR RD COVERD BY WATER.

0604 PM     FLASH FLOOD      OLIVE BRANCH            34.95N 89.83W
05/21/2013                   DESOTO             MS   TRAINED SPOTTER

            HOMES AND BUSINESSES ON GOODMAN NEAR MALONE FLOODED WITH
            UP TO 3 FEET OF WATER.

0615 PM     FLASH FLOOD      DOWNTOWN MEMPHIS        35.13N 90.05W
05/21/2013                   SHELBY             TN   BROADCAST MEDIA

            I-55 NORTH AFTER 3RD CLSED DUE TO FLOODING.

&&

ZEI
Local storm report, May 21, 6:50 PM CDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
650 PM CDT TUE MAY 21 2013

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

0630 PM     FLASH FLOOD      HORN LAKE               34.96N 90.04W
05/21/2013                   DESOTO             MS   STORM CHASER

            MAJOR FLASH FLOODING ACROSS SOUTHAVEN AND HORN LAKE WITH
            MANY ROADS IMPASSABLE. RAIN GAUGE MEASURED 4.29INCHES AT
            CHASERS HOME LOCATION OVER A PERIOD OF FOUR HOURS.

&&

ZEI

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 9:47 PM CDTRiver Flood WarningMEGCrockett, Dyer, Lauderdale22 hr
May 21, 9:50 PM CDTRiver Flood WarningMEGFayette, Shelby22 hr
May 22, 11:49 AM CDTRiver Flood AdvisoryMEGLauderdale, Tipton47 hr
May 21, 7:30 PM CDTFlash Flood WarningMEGPanola3 hr
May 21, 8:12 PM CDTTornado WarningMEGTallahatchie, Yalobusha48 min
May 21, 8:38 PM CDTFlash Flood WarningMEGPanola, Tallahatchie, Yalobusha3 hr
May 21, 8:44 PM CDTRiver Flood AdvisoryMEGCoahoma, Tunica36 hr
May 21, 9:02 PM CDTSevere Thunderstorm WarningMEGCalhoun, Yalobusha43 min
May 21, 9:09 PM CDTFlash Flood WarningMEGLafayette, Panola, Yalobusha3 hr
May 21, 9:21 PM CDTRiver Flood WarningMEGTate, Tunica23 hr
May 22, 12:25 AM CDTSpecial Weather StatementMEGAlcorn, Itawamba, Lee, Monroe, Prentiss, Tishomingo50 min
May 22, 12:36 AM CDTSevere Thunderstorm WarningMEGChickasaw, Monroe39 min
May 22, 1:13 AM CDTSpecial Weather StatementMEGItawamba, Monroe32 min
May 22, 10:03 AM CDTRiver Flood WarningMEGQuitman23 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2013Every severe thunderstorm warning in 2013

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.