Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Shreveport, LA
NWS Shreveport, LA issued this special weather statement at Apr 16, 2021, 12:08 PM CDT for Shelby County, Texas. It was in force for 52 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
- Apr 16, 2021, 12:08 PM CDT (17:08 UTC)
- Expired
- Apr 16, 2021, 1:00 PM CDT
- In force
- 52 min
- Issued by
- NWS Shreveport, LA
County Shelby County, TX
The radar
The Shreveport radar (KSHV), 79 km from the middle of the area, began a volume at 17:11 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, 5.1 hours before the alert went out and 87 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 203 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 Shreveport, LA wrote its last area forecast discussion before this special weather statement went out at Apr 16, 11:09 AM CDT, 59 minutes earlier.
Area forecast discussion, Apr 16, 11:09 AM CDT, 59 minutes before
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</html>Hazardous weather outlook, Apr 16, 6:06 AM CDT, 6 hours 2 minutes before
Hazardous Weather Outlook National Weather Service Shreveport LA 606 AM CDT Fri Apr 16 2021 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077- TXZ096-097-108>112-124>126-136>138-149>153-165>167-171115- 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- 606 AM CDT Fri Apr 16 2021 This Hazardous Weather Outlook is for southern Arkansas, for northern Louisiana, for eastern Texas and southeast Oklahoma. .DAY ONE...Today and Tonight... Showers and thunderstorms will be ongoing today ahead of an approaching upper level disturbance with a surface low and a cold front this evening. A few strong storms containing hail cannot be ruled out along with some isolated areas of flooding possible as storms train over the same areas, especially south of I-20. No other hazardous weather is expected. .DAYS TWO THROUGH SEVEN...Saturday through Thursday... Cooler and drier weather is expected for the rest of the weekend into the start of the new work week with arriving high pressure. Another reinforcing cool front will arrive late on Tuesday with limited moisture allowing for lesser amounts of rainfall. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel, amateur radio operators and storm spotters should not be needed through tonight. 24
In the hours before
Special weather statement, Apr 16, 10:31 AM CDT, 1 hour 37 minutes before
Special Weather Statement
National Weather Service Shreveport LA
1031 AM CDT Fri Apr 16 2021
TXZ149-161615-
Cherokee TX-
1031 AM CDT Fri Apr 16 2021
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL CHEROKEE COUNTY UNTIL
1115 AM CDT...
At 1031 AM CDT, Doppler radar was tracking a strong thunderstorm 10
miles northeast of Palestine, moving east at 45 mph.
Penny size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Jacksonville, Rusk, Alto, Morrill, Ponta, Maydelle, Gallatin and
Reklaw.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 3199 9545 3192 9499 3186 9498 3157 9505
3167 9529 3170 9531 3172 9534 3174 9533
3173 9537 3175 9536 3176 9540 3182 9540
3184 9542 3185 9544 3188 9543 3190 9544
3193 9542 3196 9545
TIME...MOT...LOC 1531Z 284DEG 38KT 3189 9556
33Special weather statement, Apr 16, 11:23 AM CDT, 45 minutes before
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<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.
</p>
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</html>Special weather statement, Apr 16, 12:08 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Shreveport LA
1208 PM CDT Fri Apr 16 2021
LAZ010-TXZ151-153-161800-
De Soto LA-Panola TX-Shelby TX-
1208 PM CDT Fri Apr 16 2021
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN DE SOTO PARISH...
SOUTHEASTERN PANOLA AND NORTHERN SHELBY COUNTIES UNTIL 100 PM CDT...
At 1207 PM CDT, Doppler radar was tracking a strong thunderstorm over
Timpson, or 17 miles northwest of Center, moving east at 45 mph.
Penny size hail and winds in excess of 30 mph will be possible with
this storm.
Locations impacted include...
Logansport, Tenaha, Timpson, Joaquin, Huxley, Stanley, James and
Paxton.
LAT...LON 3184 9445 3186 9446 3187 9446 3188 9448
3190 9448 3191 9450 3192 9451 3200 9451
3204 9389 3180 9388
TIME...MOT...LOC 1707Z 269DEG 37KT 3190 9445
19The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 10:31 AM CDT | Special Weather Statement | SHV | Cherokee | 44 min |
| Apr 16, 11:23 AM CDT | Special Weather Statement | SHV | Nacogdoches | 52 min |
| Apr 16, 12:51 PM CDT | Special Weather Statement | SHV | De Soto, Red River | 54 min |
| Apr 16, 1:46 PM CDT | Special Weather Statement | SHV | Sabine | 44 min |
| Apr 16, 2:03 PM CDT | Severe Thunderstorm Warning | SHV | De Soto, Natchitoches, Sabine | 42 min |
| Apr 16, 2:46 PM CDT | Special Weather Statement | SHV | Grant | 44 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.