Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 39, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 10, 2011, 11:53 PM CDT for Dallas County, Denton County, Tarrant County, Texas. It was in force for 37 min. 7 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
- Apr 10, 2011, 11:53 PM CDT (04:53 UTC)
- Expired
- Apr 11, 2011, 12:30 AM CDT
- In force
- 37 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
Counties Dallas County, TX, Denton County, TX, Tarrant County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 56 km from the middle of the area, began a volume at 04:57 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 |
|---|---|---|---|
| Apr 10, 11:55 PM CDT | TSTM WND GST 70 | Haslet, TX | 65 TO 70 MPH ESTIMATED. LIMBS DOWN. |
| Apr 11, 12:05 AM CDT | TSTM WND GST 60 | Corinth, TX | CORINTH |
| Apr 11, 12:05 AM CDT | HAIL 1 | Corinth, TX | CORINTH |
| Apr 11, 12:15 AM CDT | TSTM WND GST 70 | Denton, TX | NEAR I35 AND MAYHILL RD. |
| Apr 11, 12:25 AM CDT | TSTM WND DMG | 4 Ne Little Elm, TX | ROOF/STRUCTURAL DMG 3/4 MILE NORTH OF HWY 380 AND PALOMA CREEK BLVD. |
| Apr 11, 12:25 AM CDT | HAIL 1.5 | 4 Ne Little Elm, TX | 3/4 MILE NORTH OF HWY 380 AND PALOMA CREEK BLVD. |
| Apr 11, 12:29 AM CDT | HAIL 1.75 | 2 N Little Elm, TX | GOLFBALL HAIL REPORTED AT HWY 380 AND FM 720 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 10, 7:02 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 4.9 hours before the alert went out and 32 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
- 637 J/kg
- Mixed-layer CIN
- -268 J/kg
- Mixed-layer LCL
- 1994 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
023 WUUS54 KFWD 110453 SVRFWD TXC113-121-439-110530- /O.NEW.KFWD.SV.W.0039.110411T0453Z-110411T0530Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FORT WORTH TX 1153 PM CDT SUN APR 10 2011 THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN DALLAS COUNTY IN NORTH CENTRAL TEXAS... SOUTHERN DENTON COUNTY IN NORTH CENTRAL TEXAS... NORTHEASTERN TARRANT COUNTY IN NORTH CENTRAL TEXAS... * UNTIL 1230 AM CDT * AT 1153 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 3 MILES NORTH OF HASLET...AND MOVING EAST AT 55 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ROANOKE...NORTHLAKE...TROPHY CLUB AND CORRAL CITY AROUND MIDNIGHT DOUBLE OAK...BARTONVILLE...FLOWER MOUND AND ARGYLE AROUND 1205 AM HIGHLAND VILLAGE AND COPPER CANYON AROUND 1210 AM THIS WILL IMPACT THE FOLLOWING INTERSTATES... I-35W BETWEEN MILE MARKERS 60 AND 85... I-35E BETWEEN MILE MARKERS 70 AND 96... I-635 BETWEEN MILE MARKERS 30 AND 36. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AND STAY INSIDE...AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM MONDAY MORNING FOR NORTHEASTERN TEXAS. && LAT...LON 3292 9684 3286 9739 3316 9738 3332 9683 TIME...MOT...LOC 0453Z 250DEG 49KT 3301 9733 $$ CAVANAUGH
3 follow-up statements
424 WWUS54 KFWD 110501 SVSFWD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 1201 AM CDT MON APR 11 2011 TXC113-121-439-110530- /O.CON.KFWD.SV.W.0039.000000T0000Z-110411T0530Z/ DENTON TX-TARRANT TX-DALLAS TX- 1201 AM CDT MON APR 11 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR NORTHWESTERN DALLAS...NORTHEASTERN TARRANT AND SOUTHERN DENTON COUNTIES... AT 1201 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR ROANOKE...MOVING EAST AT 55 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... HIGHLAND VILLAGE...COPPER CANYON...CORINTH AND COPPELL AROUND 1210 AM CDT... LAKE LEWISVILLE...HICKORY CREEK...LAKEWOOD VILLAGE AND LAKE DALLAS AROUND 1215 AM CDT... HACKBERRY AND LITTLE ELM AROUND 1220 AM CDT... THIS WILL IMPACT THE FOLLOWING INTERSTATES... I-35W BETWEEN MILE MARKERS 60 AND 85... I-35E BETWEEN MILE MARKERS 70 AND 96... I-635 BETWEEN MILE MARKERS 30 AND 36. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR EASTERN TEXAS. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 200 AM CDT MONDAY MORNING FOR NORTHEASTERN TEXAS. && LAT...LON 3292 9684 3286 9739 3316 9738 3332 9683 TIME...MOT...LOC 0501Z 250DEG 49KT 3304 9720 $$
103
WWUS54 KFWD 110514
SVSFWD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1214 AM CDT MON APR 11 2011
TXC113-439-110525-
/O.CAN.KFWD.SV.W.0039.000000T0000Z-110411T0530Z/
TARRANT TX-DALLAS TX-
1214 AM CDT MON APR 11 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DALLAS AND
NORTHEASTERN TARRANT COUNTIES IS CANCELLED...
THIS WILL IMPACT THE FOLLOWING INTERSTATES...
I-35W BETWEEN MILE MARKERS 60 AND 68...
I-35E BETWEEN MILE MARKERS 70 AND 76...
I-635 BETWEEN MILE MARKERS 30 AND 36.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR
EASTERN TEXAS.
A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 500 AM CDT
MONDAY MORNING FOR NORTHEASTERN TEXAS.
LAT...LON 3300 9688 3300 9716 3318 9728 3328 9697
3332 9683
TIME...MOT...LOC 0515Z 250DEG 49KT 3311 9707
$$
TXC121-110530-
/O.CON.KFWD.SV.W.0039.000000T0000Z-110411T0530Z/
DENTON TX-
1214 AM CDT MON APR 11 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR SOUTHERN DENTON COUNTY...
AT 1215 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
COPPER CANYON...MOVING EAST AT 55 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
LAKEWOOD VILLAGE...LAKE DALLAS...HICKORY CREEK AND LAKE LEWISVILLE
AROUND 1220 AM CDT...
HACKBERRY...LITTLE ELM...THE COLONY AND LINCOLN PARK AROUND 1225 AM
CDT...
THIS WILL IMPACT THE FOLLOWING INTERSTATES...
I-35W BETWEEN MILE MARKERS 77 AND 85...
I-35E BETWEEN MILE MARKERS 77 AND 96.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY MORNING FOR
EASTERN TEXAS.
A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 500 AM CDT
MONDAY MORNING FOR NORTHEASTERN TEXAS.
&&
LAT...LON 3300 9688 3300 9716 3318 9728 3328 9697
3332 9683
TIME...MOT...LOC 0515Z 250DEG 49KT 3311 9707
$$799
WWUS54 KFWD 110518
SVSFWD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1218 AM CDT MON APR 11 2011
TXC121-110530-
/O.CON.KFWD.SV.W.0039.000000T0000Z-110411T0530Z/
DENTON TX-
1218 AM CDT MON APR 11 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR SOUTHERN DENTON COUNTY...
AT 1218 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR
CORINTH...MOVING EAST AT 55 MPH. DESTRUCTIVE WINDS ARE LIKELY GOING
TO AFFECT CORINTH AND THE LAKE LEWISVILLE AREA. ANYONE IN THE PATH
OF THIS STORM IS URGED TO TAKE COVER IMMEDIATELY!
THE SEVERE THUNDERSTORM WILL BE NEAR...
LITTLE ELM...HACKBERRY...LINCOLN PARK AND THE COLONY AROUND 1225 AM
CDT...
THIS WILL IMPACT THE FOLLOWING INTERSTATES...
I-35W BETWEEN MILE MARKERS 77 AND 85...
I-35E BETWEEN MILE MARKERS 77 AND 96.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING WIND DAMAGE. THIS IS AN
EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS!
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY
MORNING FOR NORTHEASTERN TEXAS.
&&
LAT...LON 3300 9688 3300 9716 3318 9728 3328 9697
3332 9683
TIME...MOT...LOC 0518Z 255DEG 47KT 3313 9703
$$
CAVANAUGHThe office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 7:05 PM CDT | Special Weather Statement | FWD | Palo Pinto | 25 min |
| Apr 10, 7:17 PM CDT | Special Weather Statement | FWD | Montague | 28 min |
| Apr 10, 7:31 PM CDT | Severe Thunderstorm Warning | FWD | Jack, Palo Pinto, Parker | 59 min |
| Apr 10, 7:42 PM CDT | Special Weather Statement | FWD | Cooke, Montague | 33 min |
| Apr 10, 7:48 PM CDT | Severe Thunderstorm Warning | FWD | Eastland | 57 min |
| Apr 10, 8:13 PM CDT | Special Weather Statement | FWD | Cooke | 32 min |
| Apr 10, 8:18 PM CDT | Special Weather Statement | FWD | Wise | 27 min |
| Apr 10, 8:32 PM CDT | Special Weather Statement | FWD | Wise | 28 min |
| Apr 10, 8:49 PM CDT | Special Weather Statement | FWD | Eastland, Palo Pinto | 26 min |
| Apr 10, 9:09 PM CDT | Special Weather Statement | FWD | Palo Pinto | 36 min |
| Apr 10, 9:25 PM CDT | Severe Thunderstorm Warning | FWD | Erath, Hood, Palo Pinto, Parker | 44 min |
| Apr 10, 9:32 PM CDT | Severe Thunderstorm Warning | FWD | Comanche, Eastland | 46 min |
| Apr 10, 9:38 PM CDT | Special Weather Statement | FWD | Jack | 37 min |
| Apr 10, 9:47 PM CDT | Tornado Warning | FWD | Parker | 22 min |
| Apr 10, 9:56 PM CDT | Special Weather Statement | FWD | Montague | 34 min |
| Apr 10, 9:59 PM CDT | Severe Thunderstorm Warning | FWD | Parker, Tarrant | 35 min |
| Apr 10, 10:09 PM CDT | Special Weather Statement | FWD | Erath | 36 min |
| Apr 10, 10:16 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 59 min |
| Apr 10, 10:20 PM CDT | Severe Thunderstorm Warning | FWD | Erath | 34 min |
| Apr 10, 10:45 PM CDT | Special Weather Statement | FWD | Grayson | 30 min |
| Apr 10, 11:04 PM CDT | Special Weather Statement | FWD | Eastland | 26 min |
| Apr 10, 11:17 PM CDT | Special Weather Statement | FWD | Denton, Parker, Wise | 28 min |
| Apr 10, 11:22 PM CDT | Severe Thunderstorm Warning | FWD | Mills | 68 min |
| Apr 10, 11:52 PM CDT | Severe Thunderstorm Warning | FWD | Comanche, Coryell, Hamilton, Lampasas, Mills | 53 min |
| Apr 11, 12:05 AM CDT | Severe Thunderstorm Warning | FWD | Grayson | 39 min |
| Apr 11, 12:23 AM CDT | Severe Thunderstorm Warning | FWD | Collin, Denton | 52 min |
| Apr 11, 12:25 AM CDT | Tornado Warning | FWD | Hamilton | 20 min |
| Apr 11, 12:28 AM CDT | Severe Thunderstorm Warning | FWD | Bosque, Coryell, Hamilton | 62 min |
| Apr 11, 12:41 AM CDT | Severe Thunderstorm Warning | FWD | Parker, Tarrant | 64 min |
| Apr 11, 12:47 AM CDT | Severe Thunderstorm Warning | FWD | Fannin, Grayson | 58 min |
| Apr 11, 12:49 AM CDT | Severe Thunderstorm Warning | FWD | Hood, Johnson, Somervell | 41 min |
| Apr 11, 12:55 AM CDT | Severe Thunderstorm Warning | FWD | Hill | 35 min |
| Apr 11, 1:15 AM CDT | Tornado Warning | FWD | Johnson | 21 min |
| Apr 11, 1:23 AM CDT | Severe Thunderstorm Warning | FWD | Ellis, Hill, Johnson, Navarro | 51 min |
| Apr 11, 1:34 AM CDT | Severe Thunderstorm Warning | FWD | Dallas | 43 min |
| Apr 11, 1:35 AM CDT | Tornado Warning | FWD | Ellis | 25 min |
| Apr 11, 1:53 AM CDT | Severe Thunderstorm Warning | FWD | Henderson, Kaufman | 52 min |
| Apr 11, 2:01 AM CDT | Tornado Warning | FWD | Dallas, Kaufman | 30 min |
| Apr 11, 2:13 AM CDT | Tornado Warning | FWD | Hunt, Kaufman, Rockwall | 35 min |
| Apr 11, 2:19 AM CDT | Severe Thunderstorm Warning | FWD | Rains, Van Zandt | 56 min |
| Apr 11, 2:38 AM CDT | Severe Thunderstorm Warning | FWD | Delta, Hopkins, Hunt | 52 min |
| Apr 11, 2:59 AM CDT | Special Weather Statement | FWD | Navarro | 31 min |
| Apr 11, 3:27 AM CDT | Special Weather Statement | FWD | Henderson | 33 min |
| Apr 11, 4:07 AM CDT | Special Weather Statement | FWD | Henderson | 23 min |
| Apr 11, 4:14 AM CDT | Special Weather Statement | FWD | Falls | 31 min |
| Apr 11, 5:05 AM CDT | Special Weather Statement | FWD | Milam | 25 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2011Every severe thunderstorm warning in 2011
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.