Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 150, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at May 11, 2021, 3:01 PM CDT for 4 counties in Texas. It was in force for 48 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 11, 2021, 3:01 PM CDT (20:01 UTC)
- Expired
- May 11, 2021, 3:49 PM CDT
- In force
- 48 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cherokee County, TX, Gregg County, TX, Rusk County, TX, Smith County, TX
The radar
The Shreveport radar (KSHV), 148 km from the middle of the area, began a volume at 20:03 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 11, 3:13 PM CDT | HAIL 1 | Whitehouse, TX | NICKELS TO QUARTERS IN WHITEHOUSE. |
| May 11, 3:20 PM CDT | TSTM WND DMG | 2 Sw Kilgore, TX | TREES REPORTED DOWN ON SH 135 AND FM 1639 NORTH OF OVERTON. |
| May 11, 3:45 PM CDT | HAIL 1 | 4 Wsw Gallatin, TX | REPORTED BETWEEN RUSK AND JACKSONVILLE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 8.0 hours before the alert went out and 157 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
- 605 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 438 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.4
The text
As transmitted.
830
WUUS54 KSHV 112001
SVRSHV
TXC073-183-401-423-112100-
/O.NEW.KSHV.SV.W.0150.210511T2001Z-210511T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
301 PM CDT Tue May 11 2021
The National Weather Service in Shreveport has issued a
* Severe Thunderstorm Warning for...
Smith County in northeastern Texas...
Western Rusk County in northeastern Texas...
Southwestern Gregg County in northeastern Texas...
Cherokee County in northeastern Texas...
* Until 400 PM CDT.
* At 301 PM CDT, severe thunderstorms were located along a line
extending from Lindale to near Chandler to near Bullard to near
Reese to near Palestine to 7 miles northwest of Elkhart, moving
east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Tyler, Jacksonville, Kilgore, Whitehouse, Gladewater, Rusk,
Overton, Bullard, Troup, New London, Arp, Clarksville City, Ponta,
New Salem, Mount Selman, Liberty City, Joinerville, Mixon,
Turnertown and Reese.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3244 9548 3253 9488 3215 9488 3195 9491
3179 9498 3158 9516 3158 9526 3168 9529
3172 9534 3174 9533 3173 9537 3175 9536
3176 9540 3182 9540 3185 9544 3193 9542
3199 9545 3205 9542 3212 9546 3230 9545
TIME...MOT...LOC 2001Z 270DEG 23KT 3250 9542 3233 9540 3215 9539 3198
9544 3181 9557 3168 9569
HAIL...1.00IN
WIND...60MPH
$$
192 follow-up statements
323
WWUS54 KSHV 112023
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
323 PM CDT Tue May 11 2021
TXC183-112032-
/O.CAN.KSHV.SV.W.0150.000000T0000Z-210511T2100Z/
Gregg TX-
323 PM CDT Tue May 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN GREGG COUNTY IS
CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northeastern Texas.
LAT...LON 3195 9491 3179 9498 3158 9516 3158 9526
3168 9529 3172 9534 3174 9533 3173 9537
3175 9536 3176 9540 3182 9540 3185 9544
3193 9542 3199 9545 3205 9542 3213 9539
3214 9488
TIME...MOT...LOC 2022Z 270DEG 23KT 3250 9528 3233 9526 3215 9525 3198
9530 3181 9543 3168 9555
$$
TXC073-401-423-112100-
/O.CON.KSHV.SV.W.0150.000000T0000Z-210511T2100Z/
Smith TX-Rusk TX-Cherokee TX-
323 PM CDT Tue May 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR SOUTHEASTERN SMITH...SOUTHWESTERN RUSK AND CHEROKEE COUNTIES...
At 322 PM CDT, severe thunderstorms were located along a line
extending from 7 miles east of Lindale to near Tyler to near Bullard
to near Jacksonville to 7 miles west of Maydelle to near Elkhart,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Jacksonville, Rusk, Bullard, Troup, Mount Selman, Ponta, Mixon,
Reese, New Salem, Maydelle, New Summerfield, Gallatin, Reklaw, Cuney
and Concord.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3195 9491 3179 9498 3158 9516 3158 9526
3168 9529 3172 9534 3174 9533 3173 9537
3175 9536 3176 9540 3182 9540 3185 9544
3193 9542 3199 9545 3205 9542 3213 9539
3214 9488
TIME...MOT...LOC 2022Z 270DEG 23KT 3250 9528 3233 9526 3215 9525 3198
9530 3181 9543 3168 9555
HAIL...1.00IN
WIND...60MPH
$$
19267
WWUS54 KSHV 112049
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
349 PM CDT Tue May 11 2021
TXC073-401-423-112059-
/O.CAN.KSHV.SV.W.0150.000000T0000Z-210511T2100Z/
Smith TX-Rusk TX-Cherokee TX-
349 PM CDT Tue May 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SMITH...
SOUTHWESTERN RUSK AND CHEROKEE COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northeastern Texas.
LAT...LON 3195 9491 3179 9498 3158 9516 3158 9526
3168 9529 3172 9534 3174 9533 3173 9537
3175 9536 3176 9540 3182 9540 3185 9544
3193 9542 3199 9545 3205 9542 3213 9539
3214 9488
TIME...MOT...LOC 2045Z 270DEG 23KT 3250 9510 3233 9508 3215 9507 3198
9512 3181 9525 3168 9537
$$
19The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:47 PM CDT | River Flood Warning | SHV | Gregg | 64 hr |
| May 10, 8:41 PM CDT | Special Weather Statement | SHV | Camp, Morris, Upshur, Wood | 64 min |
| May 10, 9:27 PM CDT | Special Weather Statement | SHV | Harrison, Marion | 48 min |
| May 10, 9:29 PM CDT | Severe Thunderstorm Warning | SHV | Red River | 46 min |
| May 11, 12:57 AM CDT | Special Weather Statement | SHV | Smith | 48 min |
| May 11, 1:12 AM CDT | Special Weather Statement | SHV | Wood | 48 min |
| May 11, 2:04 AM CDT | Flash Flood Watch | SHV | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more | 24 hr |
| May 11, 2:38 AM CDT | Special Weather Statement | SHV | Gregg | 52 min |
| May 11, 3:20 AM CDT | Special Weather Statement | SHV | Harrison | 40 min |
| May 11, 3:28 AM CDT | Areal Flood Advisory | SHV | Harrison | 4 hr |
| May 11, 8:04 AM CDT | River Flood Warning | SHV | Anderson, Cherokee, Houston | 36 days |
| May 11, 9:22 AM CDT | River Flood Warning | SHV | Gregg, Smith, Upshur, Wood | 39 days |
| May 11, 9:25 AM CDT | River Flood Warning | SHV | Franklin, Morris, Red River, Titus | 3 days |
| May 11, 9:25 AM CDT | River Flood Warning | SHV | Franklin, Morris, Titus | 5 days |
| May 11, 11:15 AM CDT | Special Weather Statement | SHV | Cherokee | 45 min |
| May 11, 11:59 AM CDT | Special Weather Statement | SHV | Cherokee | 31 min |
| May 11, 12:31 PM CDT | Special Weather Statement | SHV | Cherokee | 44 min |
| May 11, 1:32 PM CDT | Special Weather Statement | SHV | Smith | 43 min |
| May 11, 1:34 PM CDT | Special Weather Statement | SHV | Gregg | 41 min |
| May 11, 2:12 PM CDT | Special Weather Statement | SHV | Cass, Marion | 48 min |
| May 11, 2:15 PM CDT | Special Weather Statement | SHV | Harrison | 45 min |
| May 11, 2:21 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Rusk, Smith, Upshur | 37 min |
| May 11, 2:50 PM CDT | Special Weather Statement | SHV | Cherokee, Smith | 40 min |
| May 11, 2:56 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Panola, Rusk | 17 min |
| May 11, 3:59 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Gregg, Harrison, Nacogdoches, Panola, Rusk and 1 more | 61 min |
| May 11, 4:18 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Cherokee | 42 min |
| May 11, 5:01 PM CDT | Special Weather Statement | SHV | Angelina | 59 min |
| May 11, 6:00 PM CDT | Special Weather Statement | SHV | Angelina | 45 min |
| May 11, 6:14 PM CDT | Severe Thunderstorm Warning | SHV | Angelina | 28 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.