Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Shreveport, LA
NWS Shreveport, LA issued this special weather statement at Mar 27, 2021, 5:47 PM CDT for Cherokee County, Texas. It was in force for 43 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 27, 2021, 5:47 PM CDT (22:47 UTC)
- Expired
- Mar 27, 2021, 6:30 PM CDT
- In force
- 43 min
- Issued by
- NWS Shreveport, LA
County Cherokee County, TX
The radar
The Shreveport radar (KSHV), 156 km from the middle of the area, began a volume at 22:47 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
Shreveport, LA (KSHV), launched 12:00Z, 10.8 hours before the alert went out and 165 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
- 951 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 238 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.6
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 27, 3:39 PM CDT, 2 hours 8 minutes earlier.
Area forecast discussion, Mar 27, 3:39 PM CDT, 2 hours 8 minutes before
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
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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.
</p>
<p id="message2">
Please try again in a few minutes.
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</html>Hazardous weather outlook, Mar 27, 2:07 PM CDT, 3 hours 40 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Shreveport LA 207 PM CDT Sat Mar 27 2021 ARZ050-051-059>061-070>073-LAZ001>006-010>014-OKZ077-TXZ096-097- 108>112-124>126-136>138-149>153-281915- Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette- Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto- Red River-Bienville-Jackson-Ouachita-McCurtain-Bowie-Franklin- Titus-Camp-Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison- Cherokee-Rusk-Panola-Nacogdoches-Shelby- 207 PM CDT Sat Mar 27 2021 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... Scattered to numerous strong to severe storms are expected to develop later this afternoon into early this evening across the Arklatex into northern portions of the Arklamiss. Very large hail of at least golf ball to tennis ball size and tornadoes will be the primary threats through the early to mid evening hours. The tornado threat will be highest in southwest Arkansas where a strong tornado cannot be ruled out. In addition, there is a threat for a quick 2 to 3 inches of rain in a band from northeastern Texas, to northwestern Louisiana, to southwestern Arkansas to bring an isolated risk of flash flooding. Storms are forecast to congeal into a line sometime this evening and advance through the remainder of the Arklamiss and central Louisiana into the early morning hours, with damaging winds becoming the main threat. The severe weather threat is expected to completely exit the area before sunrise Sunday. .DAYS TWO THROUGH SEVEN...Sunday through Friday... A few lingering thunderstorms will be possible across central Louisiana early Sunday, but these should move east and south of these areas by mid morning. By Tuesday night into Wednesday, a cold front should bring additional thunderstorms to the region. However, no severe storms are expected at this time. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators...and storm spotters will be needed this afternoon into tonight. LAZ017>022-TXZ165>167-281915- Sabine-Natchitoches-Winn-Grant-Caldwell-La Salle-Angelina- San Augustine- 207 PM CDT Sat Mar 27 2021 This Hazardous Weather Outlook is for portions of north central Louisiana, northwest Louisiana and east Texas. .DAY ONE...This Afternoon and Tonight... Isolated to scattered strong to severe storms are possible late this afternoon and through the evening across these portions of Deep East Texas and Central Louisiana. Large hail up to golf ball size and damaging winds will be the primary threats although a tornado cannot be completely ruled out. Storms are forecast to congeal into a line sometime this evening and advance through the remainder of central Louisiana into the early morning hours, with damaging winds becoming the main threat. The severe weather threat is expected to completely exit the area before sunrise Sunday. .DAYS TWO THROUGH SEVEN...Sunday through Friday... A few lingering thunderstorms will be possible across central Louisiana early Sunday, but these should move east and south of these areas by mid morning. By Tuesday night into Wednesday, a cold front should bring additional thunderstorms to the region. However, no severe storms are expected at this time. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators...and storm spotters may be needed later today and tonight. 50
In the hours before
Special weather statement, Mar 27, 4:04 PM CDT, 1 hour 43 minutes before
Special Weather Statement
National Weather Service Shreveport LA
404 PM CDT Sat Mar 27 2021
ARZ061-072-272145-
Nevada AR-Columbia AR-
404 PM CDT Sat Mar 27 2021
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN NEVADA AND CENTRAL
COLUMBIA COUNTIES UNTIL 445 PM CDT...
At 404 PM CDT, Doppler radar was tracking a strong thunderstorm 5
miles northeast of Magnolia, moving northeast at 45 mph.
Nickel size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Magnolia, McNeil, White Oak Lake State Park, Calhoun, Young, College
Hill, Ebenezer, Noxobe, Laughlin and Medlock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas.
LAT...LON 3371 9311 3338 9312 3338 9300 3315 9312
3320 9331
TIME...MOT...LOC 2103Z 198DEG 37KT 3330 9315
15Special weather statement, Mar 27, 5:47 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Shreveport LA
547 PM CDT Sat Mar 27 2021
TXZ136-149-150-272330-
Cherokee TX-Smith TX-Rusk TX-
547 PM CDT Sat Mar 27 2021
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN SMITH...WEST CENTRAL
RUSK AND NORTHERN CHEROKEE COUNTIES UNTIL 630 PM CDT...
At 547 PM CDT, Doppler radar was tracking a strong thunderstorm near
Jacksonville, moving northeast at 40 mph.
Half inch hail and winds in excess of 30 mph will be possible with
this storm.
Locations impacted include...
Jacksonville, Whitehouse, Troup, Arp, Mount Selman, Mixon, Reese,
Maydelle, New Summerfield, Gallatin and Concord.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
A Tornado Watch remains in effect until 1100 PM CDT for northeastern
Texas.
LAT...LON 3200 9544 3231 9510 3209 9486 3173 9536
3174 9537 3174 9536 3175 9536 3176 9540
3182 9540 3184 9542 3185 9544 3188 9543
3190 9544 3190 9543 3192 9542 3196 9545
TIME...MOT...LOC 2247Z 225DEG 34KT 3191 9533
19The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 5:05 PM CDT | Severe Thunderstorm Warning | SHV | Bowie | 40 min |
| Mar 27, 5:51 PM CDT | Special Weather Statement | SHV | Cherokee | 39 min |
| Mar 27, 5:55 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 50 min |
| Mar 27, 6:03 PM CDT | Tornado Warning | SHV | Cherokee | 27 min |
| Mar 27, 6:27 PM CDT | Tornado Warning | SHV | Cherokee, Nacogdoches, Rusk | 48 min |
| Mar 27, 6:31 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Cass | 59 min |
| Mar 27, 6:54 PM CDT | Tornado Warning | SHV | Panola, Rusk, Shelby | 51 min |
| Mar 27, 4:04 PM CDT | Special Weather Statement | SHV | Columbia | 41 min |
| Mar 27, 5:34 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead, Nevada | 26 min |
| Mar 27, 5:59 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead, Nevada | 23 min |
Nearby
Special Weather Statements in Texas, 2021Every special weather statement in 2021
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.