Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 149, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at May 10, 2021, 10:08 AM CDT for 4 counties in Texas. It was in force for 52 min. 1 report 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 10, 2021, 10:08 AM CDT (15:08 UTC)
- Expired
- May 10, 2021, 11:00 AM CDT
- In force
- 52 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Collin County, TX, Fannin County, TX, Grayson County, TX, Hunt County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 144 km from the middle of the area, began a volume at 15:08 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 10, 10:09 AM CDT | HAIL 1 | 2 Wnw Sherman, TX | MPING REPORT OF QUARTER SIZE HAIL IN SHERMAN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 3.1 hours before the alert went out and 124 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
- 675 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 299 m²/s²
- 0-3 km storm-relative helicity
- 381 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.2
The text
As transmitted.
345
WUUS54 KFWD 101508
SVRFWD
TXC085-147-181-231-101600-
/O.NEW.KFWD.SV.W.0149.210510T1508Z-210510T1600Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
1008 AM CDT Mon May 10 2021
The National Weather Service in Fort Worth has issued a
* Severe Thunderstorm Warning for...
Northern Hunt County in north central Texas...
Northeastern Collin County in north central Texas...
Southeastern Grayson County in north central Texas...
Fannin County in north central Texas...
* Until 1100 AM CDT.
* At 1006 AM CDT, a severe thunderstorm was located near Sherman,
moving southeast at 50 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Emergency management. At 1004 AM, emergency management
reported ping pong ball size hail near Sadler.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Sherman, Bonham, Howe, Leonard, Honey Grove, Whitewright, Wolfe
City, Bells, Tom Bean, Savoy, Celeste, Ector, Dodd City, Bailey,
Knollwood, Ravenna, Dorchester, Bonham State Park, Southmayd and
Trenton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm has a history of producing large hail. SEEK SHELTER NOW
inside a sturdy structure and stay away from windows!
&&
LAT...LON 3358 9586 3331 9586 3326 9629 3359 9681
3377 9675
TIME...MOT...LOC 1506Z 294DEG 42KT 3363 9667
HAIL...1.50IN
WIND...60MPH
$$
Godwin1 follow-up statement
607
WWUS54 KFWD 101533
SVSFWD
Severe Weather Statement
National Weather Service Fort Worth TX
1033 AM CDT Mon May 10 2021
TXC085-147-181-231-101600-
/O.CON.KFWD.SV.W.0149.000000T0000Z-210510T1600Z/
Hunt TX-Collin TX-Grayson TX-Fannin TX-
1033 AM CDT Mon May 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT
FOR NORTHERN HUNT...NORTHEASTERN COLLIN...SOUTHEASTERN GRAYSON AND
FANNIN COUNTIES...
At 1031 AM CDT, a severe thunderstorm was located over Whitewright,
or 11 miles southeast of Sherman, while another severe thunderstorm
was 3 miles south of Pottsbor. Both storms were moving southeast at
30 mph.
HAZARD...Up to quarter size hail.
SOURCE...Emergency management.
IMPACT...Damage to vehicles is possible.
Locations impacted include...
Sherman, Bonham, Howe, Leonard, Honey Grove, Whitewright, Wolfe City,
Bells, Tom Bean, Savoy, Celeste, Ector, Dodd City, Bailey, Knollwood,
Ravenna, Dorchester, Bonham State Park, Southmayd and Trenton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection stay inside a sturdy structure and keep away from
windows.
These storms have a history of producing large hail. SEEK SHELTER
NOW inside a sturdy structure and stay away from windows.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately.
&&
LAT...LON 3358 9586 3331 9586 3326 9629 3359 9681
3377 9675
TIME...MOT...LOC 1531Z 294DEG 25KT 3354 9642
HAIL...1.00IN
WIND...<50MPH
$$
05/The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:40 PM CDT | Severe Thunderstorm Warning | FWD | Mills | 65 min |
| May 9, 8:45 PM CDT | Special Weather Statement | FWD | Comanche | 45 min |
| May 10, 9:08 AM CDT | Special Weather Statement | FWD | Cooke | 37 min |
| May 10, 9:18 AM CDT | Severe Thunderstorm Warning | FWD | Cooke, Grayson | 57 min |
| May 10, 10:45 AM CDT | Severe Thunderstorm Warning | FWD | Fannin, Grayson | 60 min |
| May 10, 11:00 AM CDT | Severe Thunderstorm Warning | FWD | Fannin, Grayson | 60 min |
| May 10, 11:03 AM CDT | Special Weather Statement | FWD | Fannin | 42 min |
| May 10, 11:14 AM CDT | Severe Thunderstorm Warning | FWD | Delta, Hopkins, Hunt | 46 min |
| May 10, 11:57 AM CDT | Severe Thunderstorm Warning | FWD | Hopkins | 63 min |
| May 10, 12:05 PM CDT | Special Weather Statement | FWD | Delta | 40 min |
| May 10, 12:18 PM CDT | Severe Thunderstorm Warning | FWD | Delta | 27 min |
| May 10, 3:51 PM CDT | Special Weather Statement | FWD | Fannin | 54 min |
| May 10, 5:16 PM CDT | Special Weather Statement | FWD | Erath | 44 min |
| May 10, 5:23 PM CDT | Special Weather Statement | FWD | Hood, Parker | 37 min |
| May 10, 5:26 PM CDT | Severe Thunderstorm Warning | FWD | Erath | 34 min |
| May 10, 5:34 PM CDT | Severe Thunderstorm Warning | FWD | Parker | 38 min |
| May 10, 6:03 PM CDT | Severe Thunderstorm Warning | FWD | Denton, Wise | 27 min |
| May 10, 6:10 PM CDT | Special Weather Statement | FWD | Denton, Johnson, Tarrant | 50 min |
| May 10, 6:21 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 24 min |
| May 10, 6:24 PM CDT | Severe Thunderstorm Warning | FWD | Denton | 50 min |
| May 10, 6:32 PM CDT | Special Weather Statement | FWD | Dallas | 28 min |
| May 10, 6:35 PM CDT | Severe Thunderstorm Warning | FWD | Ellis, Johnson | 27 min |
| May 10, 6:37 PM CDT | Severe Thunderstorm Warning | FWD | Collin | 53 min |
| May 10, 6:45 PM CDT | Severe Thunderstorm Warning | FWD | Grayson | 43 min |
| May 10, 6:49 PM CDT | Special Weather Statement | FWD | Tarrant | 26 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.