Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS Shreveport, LA
NWS Shreveport, LA issued this special weather statement at Apr 29, 2021, 5:32 AM CDT for Bowie County, Texas; Little River County, Arkansas. 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
- Apr 29, 2021, 5:32 AM CDT (10:32 UTC)
- Expired
- Apr 29, 2021, 6:15 AM CDT
- In force
- 43 min
- Issued by
- NWS Shreveport, LA
Counties Little River County, AR, Bowie County, TX
The radar
The Shreveport radar (KSHV), 133 km from the middle of the area, began a volume at 10:36 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 00:00Z, 10.5 hours before the alert went out and 132 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
- 976 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1188 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.0
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 29, 2:23 AM CDT, 3 hours 9 minutes earlier.
Area forecast discussion, Apr 29, 2:23 AM CDT, 3 hours 9 minutes before
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</html>Hazardous weather outlook, Apr 29, 3:05 AM CDT, 2 hours 27 minutes before
Hazardous Weather Outlook National Weather Service Shreveport LA 305 AM CDT Thu Apr 29 2021 ARZ073-LAZ001>006-010>014-017>022-TXZ138-149>153-165>167-300815- Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-Red River- Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant- Caldwell-La Salle-Harrison-Cherokee-Rusk-Panola-Nacogdoches- Shelby-Angelina-San Augustine- 305 AM CDT Thu Apr 29 2021 This Hazardous Weather Outlook is for portions of south central Arkansas, north central Louisiana, northwest Louisiana, east Texas and northeast Texas. .DAY ONE...Today and Tonight... Rain chances will continue to spread across the area, as a cool front slowly moves across the region late this morning into Friday morning. Although the overall threat for severe weather is limited, a few strong thunderstorms cannot be ruled out, with locally heavy rainfall possible. .DAYS TWO THROUGH SEVEN...Friday through Wednesday... Some slightly cooler and drier air will filter into the area in wake of the front on Friday, but rain chances will continue through the weekend, as an upper level trough moves across the region. Dry weather will return on Monday, but rain chances return by the middle of next week, as another cool front moves into the region. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators...and storm spotters may be needed on Thursday into Thursday night. Please relay any information about observed severe weather to the NWS while following all local, state, and CDC guidelines. ARZ050-051-059>061-070>072-OKZ077-TXZ096-097-108>112-124>126-136- 137-300815- Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette- Columbia-McCurtain-Red River-Bowie-Franklin-Titus-Camp-Morris- Cass-Wood-Upshur-Marion-Smith-Gregg- 305 AM CDT Thu Apr 29 2021 This Hazardous Weather Outlook is for portions of southwest Arkansas, southeast Oklahoma and northeast Texas. .DAY ONE...Today and Tonight... Showers and isolated thunderstorms will continue today near a slow moving cool front. Some severe weather will be possible with these storms, with damaging winds, large hail, and possibly a tornado or two. Also, these same locations could see locally heavy rainfall. Some flash flooding may occur, as rainfall totals of 2 to 4 inches, with isolated higher amounts, will be possible. .DAYS TWO THROUGH SEVEN...Friday through Wednesday... Some slightly cooler and drier air will filter into the area in wake of the front on Friday, but rain chances will continue through the weekend, as an upper level trough moves across the region. Dry weather will return on Monday, but rain chances return by the middle of next week, as another cool front moves into the region. .SPOTTER INFORMATION STATEMENT... Activation of emergency management personnel...amateur radio operators...and storm spotters may be needed through Thursday. Please relay any information about observed severe weather to the NWS while following all local, state, and CDC guidelines. 20
In the hours before
Special weather statement, Apr 29, 12:16 AM CDT, 5 hours 16 minutes before
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</html>Special weather statement, Apr 29, 1:04 AM CDT, 4 hours 28 minutes before
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</html>Special weather statement, Apr 29, 5:32 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Shreveport LA
532 AM CDT Thu Apr 29 2021
ARZ050-051-059-060-070-TXZ097-291115-
Howard AR-Hempstead AR-Sevier AR-Little River AR-Miller AR-Bowie TX-
532 AM CDT Thu Apr 29 2021
...SIGNIFICANT WEATHER ADVISORY FOR LITTLE RIVER...NORTHWESTERN
HEMPSTEAD...NORTHWESTERN MILLER...SOUTHEASTERN SEVIER...SOUTHEASTERN
HOWARD AND CENTRAL BOWIE COUNTIES UNTIL 615 AM CDT...
At 532 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles east of Foreman to near New Boston to 8
miles southeast of De Kalb to near Dalby Springs. Movement was
northeast at 45 mph.
Winds in excess of 40 mph will be possible with these storms.
Locations impacted include...
Texarkana, Wake Village, Ashdown, Nashville, New Boston, Mineral
Springs, Nash, Hooks, Redwater, Red Lick, Wilton, Tollette, Ogden,
Ben Lomond, Mandeville, Saratoga, Richmond, Leary, McNab and Bright
Star.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms 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 800 AM CDT for southwestern
Arkansas...and northeastern Texas.
LAT...LON 3398 9370 3383 9374 3351 9390 3335 9427
3335 9466 3339 9458 3346 9447 3374 9432
TIME...MOT...LOC 1032Z 238DEG 41KT 3372 9428 3350 9439 3343 9451 3338
9463
13The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 9:41 PM CDT | Special Weather Statement | SHV | Red River | 49 min |
| Apr 29, 4:36 AM CDT | Areal Flood Advisory | SHV | Bowie, Red River | 4 hr |
| Apr 29, 8:19 AM CDT | River Flood Warning | SHV | Gregg | 24 hr |
| Apr 29, 8:27 AM CDT | River Flood Warning | SHV | Anderson, Cherokee, Houston | 21 days |
| Apr 29, 8:55 AM CDT | River Flood Warning | SHV | Wood | 24 hr |
| Apr 29, 10:10 AM CDT | River Flood Warning | SHV | Franklin, Morris, Titus | 4 days |
| Apr 29, 4:15 PM CDT | Special Weather Statement | SHV | Harrison | 45 min |
| Apr 29, 1:04 AM CDT | Special Weather Statement | SHV | Sevier | 41 min |
| Apr 29, 12:16 AM CDT | Special Weather Statement | SHV | McCurtain | 44 min |
| Apr 29, 9:39 AM CDT | River Flood Warning | SHV | McCurtain | 11 hr |
Nearby
Special Weather Statements in Texas, 2021Special Weather Statements in Arkansas, 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.