Alert archive / Mississippi / Special Weather Statements in 2017
Special Weather Statement, NWS Memphis, TN
NWS Memphis, TN issued this special weather statement at Jul 26, 2017, 3:39 PM CDT for Alcorn County, Mississippi. It was in force for 21 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
- Jul 26, 2017, 3:39 PM CDT (20:39 UTC)
- Expired
- Jul 26, 2017, 4:00 PM CDT
- In force
- 21 min
- Issued by
- NWS Memphis, TN
County Alcorn County, MS
The radar
The Columbus AFB radar (KGWX), 100 km from the middle of the area, began a volume at 20:40 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
Birmingham, AL (KBMX), launched 12:00Z, 8.7 hours before the alert went out and 247 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.
- Mixed-layer CAPE
- 1729 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 961 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>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 Jul 25, 6:29 PM CDT, 21 hours 10 minutes earlier.
Area forecast discussion, Jul 25, 6:29 PM CDT, 21 hours 10 minutes before
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<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.
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Please try again in a few minutes.
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</html>Hazardous weather outlook, Jul 25, 3:45 PM CDT, 23 hours 54 minutes before
Hazardous Weather Outlook National Weather Service Memphis TN 345 PM CDT Tue Jul 25 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>092-261100- 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- 345 PM CDT Tue Jul 25 2017 This hazardous weather outlook is for portions of East Arkansas... the Missouri Bootheel...North Mississippi...and West Tennessee. .DAY ONE...This Afternoon and Tonight Dangerous heat will continue across the Mid-South through early evening. A Heat Advisory is in effect for most of the area along and west of the Mississippi River, where heat indices of 105 to 109 degrees are expected. A portion of northeast Arkansas and the Missouri Bootheel are in an Excessive Heat Warning through 8 PM where heat indices will be near or just over 110 degrees. A few strong to severe storms are possible through early evening. The primary hazards will be strong winds and locally heavy rainfall. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Heat indices of 105 to 109 degrees are expected across portions of the Mid-South on Wednesday. A Heat Advisory is in effect for locations roughly along and west of a line from Martin, to Jackson, to Somerville, to Clarksdale. This advisory will likely need to be expanded into Thursday. A cold front is forecast to move across the Mid-South Thursday night into Friday, bringing a chance for a few strong to severe thunderstorms and heavy rainfall. .SPOTTER INFORMATION STATEMENT... Spotter activation may be possible Thursday night and into Friday.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 2:31 AM CDT | Excessive Heat Warning | MEG | Lauderdale, Shelby, Tipton | 15 hr |
| Jul 26, 11:55 AM CDT | Heat Advisory | MEG | Benton, Carroll, Chester, Decatur, Hardeman, Hardin and 6 more | 30 hr |
| Jul 26, 3:15 PM CDT | Special Weather Statement | MEG | Hardin | 30 min |
| Jul 26, 5:54 PM CDT | Special Weather Statement | MEG | Hardin | 36 min |
| Jul 26, 4:01 PM CDT | Special Weather Statement | MEG | Alcorn | 29 min |
Nearby
Special Weather Statements in Mississippi, 2017Every 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.