Alert archive / Texas / Special Weather Statements in 2017
Special Weather Statement, NWS Shreveport, LA
NWS Shreveport, LA issued this special weather statement at Mar 29, 2017, 4:13 AM CDT for 6 counties in Texas. It was in force for 47 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
- Mar 29, 2017, 4:13 AM CDT (09:13 UTC)
- Expired
- Mar 29, 2017, 5:00 AM CDT
- In force
- 47 min
- Issued by
- NWS Shreveport, LA
Counties Camp County, TX, Franklin County, TX, Gregg County, TX, Smith County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 144 km from the middle of the area, began a volume at 09:15 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
Fort Worth, TX (KFWD), launched 00:00Z, 9.2 hours before the alert went out and 184 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
- 822 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1580 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 14.5
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 Shreveport, LA wrote its last area forecast discussion before this special weather statement went out at Mar 29, 12:03 AM CDT, 4 hours 10 minutes earlier.
Area forecast discussion, Mar 29, 12:03 AM CDT, 4 hours 10 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.
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</html>Hazardous weather outlook, Mar 28, 12:00 PM CDT, 16 hours 13 minutes before
Hazardous Weather Outlook National Weather Service Shreveport LA 1200 PM CDT Tue Mar 28 2017 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077- TXZ096-097-108>112-124>126-136>138-149>153-165>167-291700- Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette- Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto- Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn- Grant-Caldwell-La Salle-McCurtain-Bowie-Franklin-Titus-Camp- Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk- Panola-Nacogdoches-Shelby-Angelina-San Augustine- 1200 PM CDT Tue Mar 28 2017 This Hazardous Weather Outlook is for portions of south central Arkansas...southwest Arkansas...north central Louisiana... northwest Louisiana...southeast Oklahoma...east Texas and northeast Texas. .DAY ONE...This Afternoon and Tonight... Showers and thunderstorms are expected to increase in coverage from the west overnight across southeast Oklahoma and northeast Texas. A few of these ongoing storms may be severe but are forecast to quickly diminish upon entering the ArkLaTex. .DAYS TWO THROUGH SEVEN...Wednesday through Monday... Numerous strong to severe thunderstorms will develop across the ArkLaTex on Wednesday afternoon and Wednesday night, with the threat for damaging winds, isolated tornadoes, hail, and locally heavy rainfall possible. Lingering severe convection will exit the region across southeast Arkansas and north Louisiana on Thursday morning. Large hail and damaging winds will be the primary threat by Thursday morning. Showers and thunderstorms increase in coverage again on Sunday and Sunday night with the threat for additional severe thunderstorms. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators...and storm spotters should not be needed through tonight. 05
In the hours before
Special weather statement, Mar 29, 4:13 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Shreveport LA
413 AM CDT WED MAR 29 2017
TXZ096-108>110-124-125-136-137-291000-
Upshur TX-Gregg TX-Smith TX-Camp TX-Red River TX-Wood TX-Franklin TX-
Titus TX-
413 AM CDT WED MAR 29 2017
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL SMITH...FRANKLIN...
WOOD...UPSHUR...WESTERN TITUS...CAMP...CENTRAL GREGG AND SOUTHWESTERN
RED RIVER COUNTIES UNTIL 500 AM CDT...
At 412 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles north of Emory to near Golden to near
Van to 17 miles northwest of Palestine. Movement was east at 45 mph.
Winds in excess of 40 mph will be possible with these storms.
Locations impacted include...
Tyler, Longview, Mount Pleasant, White Oak, Gladewater, Gilmer,
Mineola, Pittsburg, Winnsboro, Hagansport, Leesburg, Lindale, Mount
Vernon, Quitman, Big Sandy, Hawkins, Clarksville City, East Mountain,
Scroggins and Pleasant Grove.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Shreveport.
&&
LAT...LON 3296 9531 3339 9531 3349 9515 3265 9470
3248 9470 3233 9545 3237 9545 3248 9559
3269 9559 3272 9564 3296 9567
TIME...MOT...LOC 0912Z 248DEG 40KT 3299 9578 3281 9555 3245 9562 3196
9581
CNThe office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 5:01 AM CDT | Special Weather Statement | SHV | Franklin, Red River, Titus | 59 min |
| Mar 29, 5:03 AM CDT | Special Weather Statement | SHV | Camp, Gregg, Morris, Rusk, Smith, Upshur and 1 more | 57 min |
| Mar 29, 4:54 PM CDT | Tornado Warning | SHV | Sabine | 66 min |
| Mar 29, 5:51 PM CDT | Severe Thunderstorm Warning | SHV | Sabine | 54 min |
| Mar 29, 5:14 PM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Sabine | 61 min |
| Mar 29, 5:23 PM CDT | Tornado Warning | SHV | Natchitoches, Sabine | 52 min |
| Mar 29, 5:58 PM CDT | Severe Thunderstorm Warning | SHV | Grant, LaSalle, Natchitoches, Winn | 62 min |
| Mar 29, 6:21 PM CDT | Severe Thunderstorm Warning | SHV | Grant, Natchitoches, Sabine, Winn | 54 min |
Nearby
Special Weather Statements in Texas, 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.