Alert archive / Texas / Tornado Warnings in 2021
Tornado Warning 10, NWS Norman, OK
NWS Norman, OK issued this tornado warning at Apr 27, 2021, 3:47 PM CDT for Foard County, Knox County, Texas. It was in force for 28 min. 6 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 27, 2021, 3:47 PM CDT (20:47 UTC)
- Expired
- Apr 27, 2021, 4:15 PM CDT
- In force
- 28 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 2.75 in
Counties Foard County, TX, Knox County, TX
The radar
The Altus AFB radar (KFDR), 95 km from the middle of the area, began a volume at 20:50 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 27, 3:50 PM CDT | TSTM WND GST 60 | 3 W Truscott, TX | |
| Apr 27, 3:50 PM CDT | HAIL 2 | 3 W Truscott, TX | |
| Apr 27, 3:50 PM CDT | HAIL 3 | 3 W Truscott, TX | CORRECTS PREVIOUS HAIL REPORT FROM 3 W TRUSCOTT. PICTURE WAS SENT IN OF 3 INCH HAIL. |
| Apr 27, 3:51 PM CDT | TORNADO | 4 W Truscott, TX | |
| Apr 27, 4:03 PM CDT | TSTM WND GST 69 | 2 Se Truscott, TX | |
| Apr 27, 4:08 PM CDT | FUNNEL CLOUD | 7 Nnw Gilliland, TX | TWEET WAS SENT TO US VIA NWS CHAT. PICTURE WAS HARD TO DECIPHER WHETHER THE FUNNEL WAS ON THE GROUND OR NOT. |
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 27, 1:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.8 hours before the alert went out and 241 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
- 4126 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
259
WFUS54 KOUN 272047
TOROUN
TXC155-275-272115-
/O.NEW.KOUN.TO.W.0010.210427T2047Z-210427T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Norman OK
347 PM CDT Tue Apr 27 2021
The National Weather Service in Norman has issued a
* Tornado Warning for...
Southern Foard County in northern Texas...
Northern Knox County in northern Texas...
* Until 415 PM CDT.
* At 347 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles west of Truscott, moving east at 45 mph.
HAZARD...Tornado and baseball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Gilliland and Truscott.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a storm shelter, safe room or an interior
room on the lowest floor of a sturdy building. Avoid windows. If you
are outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.
&&
LAT...LON 3392 9948 3364 9948 3365 9998 3373 10000
3383 10000
TIME...MOT...LOC 2047Z 259DEG 39KT 3376 9991
TORNADO...RADAR INDICATED
HAIL...2.75IN
$$
JT3 follow-up statements
711
WWUS54 KOUN 272055
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
355 PM CDT Tue Apr 27 2021
TXC155-275-272115-
/O.CON.KOUN.TO.W.0010.000000T0000Z-210427T2115Z/
Foard TX-Knox TX-
355 PM CDT Tue Apr 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR SOUTHERN
FOARD AND NORTHERN KNOX COUNTIES...
At 354 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Truscott, moving east at 40 mph. Very strong
rotation is indicated by radar. People in Truscott need to take
shelter immediately!
HAZARD...Tornado and baseball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Gilliland and Truscott.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a storm shelter, safe room, or an interior
room on the lowest floor of a sturdy building. Avoid windows. If you
are outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.
&&
LAT...LON 3392 9948 3364 9948 3365 9998 3373 10000
3383 10000
TIME...MOT...LOC 2054Z 258DEG 37KT 3377 9985
TORNADO...RADAR INDICATED
HAIL...2.75IN
$$
JT137
WWUS54 KOUN 272101
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
401 PM CDT Tue Apr 27 2021
TXC155-275-272115-
/O.CON.KOUN.TO.W.0010.000000T0000Z-210427T2115Z/
Foard TX-Knox TX-
401 PM CDT Tue Apr 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR SOUTHERN
FOARD AND NORTHERN KNOX COUNTIES...
At 400 PM CDT, a confirmed large and extremely dangerous tornado was
located 4 miles northeast of Truscott, moving east at 55 mph. People
near and north of Truscott should take shelter immediately!
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
Locations impacted include...
Gilliland and Truscott.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, an extremely dangerous and potentially deadly tornado is
on the ground. To protect your life, TAKE COVER NOW! Move to a storm
shelter, safe room, or an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 3392 9948 3364 9948 3365 9998 3373 10000
3383 10000
TIME...MOT...LOC 2100Z 251DEG 48KT 3380 9977
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.75IN
$$
JT603
WWUS54 KOUN 272109
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
409 PM CDT Tue Apr 27 2021
TXC155-275-272115-
/O.CON.KOUN.TO.W.0010.000000T0000Z-210427T2115Z/
Foard TX-Knox TX-
409 PM CDT Tue Apr 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
SOUTHEASTERN FOARD AND NORTHEASTERN KNOX COUNTIES...
At 408 PM CDT, a confirmed tornado was located 4 miles northeast of
Truscott, moving east at 35 mph.
HAZARD...Damaging tornado and baseball size hail.
SOURCE...Weather spotters confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Gilliland and Truscott.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
storm shelter, safe room, or an interior room on the lowest floor of
a sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 3392 9948 3364 9948 3373 9984 3376 9989
3385 9987
TIME...MOT...LOC 2108Z 260DEG 30KT 3380 9975
TORNADO...OBSERVED
HAIL...2.75IN
$$
JTThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 11:08 AM CDT | Flood Watch | OUN | Archer, Baylor, Clay, Wichita, Wilbarger | 40 hr |
| Apr 27, 3:30 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 45 min |
| Apr 27, 4:12 PM CDT | Tornado Warning | OUN | Baylor, Foard, Knox, Wilbarger | 48 min |
| Apr 27, 4:55 PM CDT | Tornado Warning | OUN | Wichita, Wilbarger | 39 min |
| Apr 27, 5:30 PM CDT | Severe Thunderstorm Warning | OUN | Wichita, Wilbarger | 45 min |
| Apr 27, 6:01 PM CDT | Severe Thunderstorm Warning | OUN | Wilbarger | 44 min |
| Apr 27, 6:24 PM CDT | Special Weather Statement | OUN | Wilbarger | 36 min |
| Apr 27, 6:32 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Knox, Wilbarger | 43 min |
| Apr 27, 6:41 PM CDT | Severe Thunderstorm Warning | OUN | Wichita, Wilbarger | 49 min |
Nearby
Tornado Warnings in Texas, 2021Every tornado warning in 2021Tornadoes 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.