Alert archive / Mississippi / Special Weather Statements in 2017

Special Weather Statement, NWS Memphis, TN

November 3, 2017Chickasaw County, Lee County, Monroe County, Mississippi

NWS Memphis, TN issued this special weather statement at Nov 3, 2017, 9:39 PM CDT for Chickasaw County, Lee County, Monroe County, Mississippi. It was in force for 51 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: Nov 3, 2017, 9:39 PM CDT (02:39 UTC)
Expired: Nov 3, 2017, 10:30 PM CDT
In force: 51 min
Issued by: NWS Memphis, TN

Counties Chickasaw County, MS, Lee County, MS, Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 44 km from the middle of the area, began a volume at 02:39 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

Jackson, MS (KJAN), launched 00:00Z, 2.7 hours before the alert went out and 206 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: 1247 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1124 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Nov 3, 6:52 PM CDT, 2 hours 47 minutes earlier.

Area forecast discussion, Nov 3, 6:52 PM CDT, 2 hours 47 minutes before

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</head>
<body>
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    <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Nov 3, 4:54 AM CDT, 16 hours 45 minutes before

Hazardous Weather Outlook
National Weather Service Memphis TN
454 AM CDT Fri Nov 3 2017

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-
MSZ001>017-020>024-TNZ001>004-019>022-048>055-088>092-041200-
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-
454 AM CDT Fri Nov 3 2017

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 severe storms are possible across East-Central Arkansas and
North Mississippi from this afternoon into this evening. A few
storms could be severe with localized damaging winds and large
hail.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

The probability of widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon into this evening.

SJM

In the hours before

Special weather statement, Nov 3, 5:06 PM CDT, 4 hours 33 minutes before

Special Weather Statement
National Weather Service Memphis TN
506 PM CDT FRI NOV 3 2017

ARZ049-058-032245-
Phillips AR-Lee AR-
506 PM CDT FRI NOV 3 2017

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 545 PM CDT
FOR...

Northwestern Phillips County in eastern Arkansas...
Southwestern Lee County in eastern Arkansas...

At 506 PM CDT...a strong thunderstorm producing dime size hail and
winds to 40 mph was located near Marvell, moving northeast at 10 mph.

Very heavy rain will occur with this thunderstorm.

People in northwestern Phillips and southwestern Lee Counties should
monitor this storm closely.

LAT...LON 3473 9105 3484 9094 3458 9063 3442 9093
      3452 9105
TIME...MOT...LOC 2206Z 232DEG 9KT 3458 9098

Special weather statement, Nov 3, 5:09 PM CDT, 4 hours 30 minutes before

Special Weather Statement
National Weather Service Memphis TN
509 PM CDT FRI NOV 3 2017

ARZ058-MSZ010-032300-
Phillips AR-Coahoma MS-
509 PM CDT FRI NOV 3 2017

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 600 PM CDT
FOR...

Southwestern Phillips County in eastern Arkansas...
West central Coahoma County in northwestern Mississippi...

At 508 PM CDT...a strong thunderstorm producing pea to dime size
hail and winds to 40 mph was located over White River National
Wildlife Refuge, moving northeast at 15 mph.

Very heavy rain will occur with this thunderstorm.

People in southwestern Phillips and west central Coahoma Counties
should monitor this storm closely.

LAT...LON 3420 9109 3420 9107 3422 9106 3425 9108
      3426 9106 3428 9108 3430 9107 3429 9106
      3431 9106 3432 9105 3432 9106 3434 9105
      3434 9100 3446 9100 3451 9095 3428 9066
      3412 9099 3412 9104 3418 9109
TIME...MOT...LOC 2208Z 240DEG 14KT 3423 9108

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 4, 1:17 AM CDT	Dense Fog Advisory	MEG	Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more	8 hr
Nov 3, 7:25 PM CDT	Special Weather Statement	MEG	Tallahatchie	35 min
Nov 3, 8:01 PM CDT	Special Weather Statement	MEG	Tallahatchie	14 min

Nearby

Special Weather Statements in Mississippi, 2017 Every special weather statement in 2017

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.