Alert archive / Texas / Tornado Warnings in 2018
Tornado Warning 18, NWS Norman, OK
NWS Norman, OK issued this tornado warning at May 3, 2018, 5:19 AM CDT for Wichita County, Wilbarger County, Texas; Tillman County, Oklahoma. It was in force for 26 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 3, 2018, 5:19 AM CDT (10:19 UTC)
- Expired
- May 3, 2018, 5:45 AM CDT
- In force
- 26 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Tillman County, OK, Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 37 km from the middle of the area, began a volume at 10:18 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 3, 5:32 AM CDT | HAIL 0.88 | Electra, TX |
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 |
|---|---|---|---|
| May 3, 5:18 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 10.3 hours before the alert went out and 192 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
- 826 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 930 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.3
The text
As transmitted.
482
WFUS54 KOUN 031019
TOROUN
OKC141-TXC485-487-031045-
/O.NEW.KOUN.TO.W.0018.180503T1019Z-180503T1045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Norman OK
519 AM CDT THU MAY 3 2018
The National Weather Service in Norman has issued a
* Tornado Warning for...
Southeastern Tillman County in southwestern Oklahoma...
Northwestern Wichita County in northern Texas...
Southeastern Wilbarger County in northern Texas...
* Until 545 AM CDT
* At 519 AM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located 5
miles south of Harrold, moving northeast at 65 mph.
HAZARD...Tornado and quarter 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...
Iowa Park, Electra, Harrold and Haynesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3396 9909 3404 9911 3424 9874 3397 9861
TIME...MOT...LOC 1019Z 246DEG 55KT 3401 9904
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
MBS2 follow-up statements
447
WWUS54 KOUN 031031
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
531 AM CDT THU MAY 3 2018
TXC487-031040-
/O.CAN.KOUN.TO.W.0018.000000T0000Z-180503T1045Z/
Wilbarger TX-
531 AM CDT THU MAY 3 2018
...THE TORNADO WARNING FOR SOUTHEASTERN WILBARGER COUNTY IS
CANCELLED...
The tornadic thunderstorm across southeastern Wilbarger county which
prompted the warning has moved out of the warned area. A Tornado
Warning remains in effect for far northeastern Wilbarger county.
LAT...LON 3404 9890 3410 9893 3424 9874 3404 9864
TIME...MOT...LOC 1030Z 246DEG 55KT 3408 9884
$$
OKC141-TXC485-031045-
/O.CON.KOUN.TO.W.0018.000000T0000Z-180503T1045Z/
Tillman OK-Wichita TX-
531 AM CDT THU MAY 3 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR
SOUTHEASTERN TILLMAN AND NORTHWESTERN WICHITA COUNTIES...
At 530 AM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located 5 miles
northeast of Electra, moving northeast at 65 mph.
HAZARD...Tornado and quarter 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...
Haynesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3404 9890 3410 9893 3424 9874 3404 9864
TIME...MOT...LOC 1030Z 246DEG 55KT 3408 9884
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
MBS233
WWUS54 KOUN 031041
SVSOUN
Severe Weather Statement
National Weather Service Norman OK
541 AM CDT THU MAY 3 2018
OKC141-TXC485-031051-
/O.EXP.KOUN.TO.W.0018.000000T0000Z-180503T1045Z/
Tillman OK-Wichita TX-
541 AM CDT THU MAY 3 2018
...THE TORNADO WARNING FOR SOUTHEASTERN TILLMAN AND NORTHWESTERN
WICHITA COUNTIES WILL EXPIRE AT 545 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire. However small hail
and gusty winds are still possible with this thunderstorm.
LAT...LON 3404 9890 3410 9893 3424 9874 3404 9864
TIME...MOT...LOC 1041Z 246DEG 55KT 3408 9885
$$
MBSThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 7:03 PM CDT | Areal Flood Advisory | OUN | Archer, Baylor, Wichita, Wilbarger | 3 hr |
| May 2, 7:05 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay, Wichita | 40 min |
| May 2, 7:44 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay, Wichita | 46 min |
| May 2, 7:50 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor | 55 min |
| May 2, 8:23 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 67 min |
| May 2, 9:24 PM CDT | Areal Flood Advisory | OUN | Archer | 3 hr |
| May 2, 9:56 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 49 min |
| May 2, 11:00 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Knox, Wilbarger | 45 min |
| May 2, 11:39 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Wichita, Wilbarger | 51 min |
| May 3, 12:11 AM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor | 27 min |
| May 3, 12:17 AM CDT | Severe Thunderstorm Warning | OUN | Wichita, Wilbarger | 43 min |
| May 3, 1:13 AM CDT | Special Weather Statement | OUN | Foard, Knox | 32 min |
| May 3, 1:33 AM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Hardeman, Knox, Wilbarger | 42 min |
| May 3, 3:44 AM CDT | Special Weather Statement | OUN | Clay | 31 min |
| May 3, 3:45 AM CDT | Special Weather Statement | OUN | Foard, Hardeman | 45 min |
| May 3, 4:23 AM CDT | Special Weather Statement | OUN | Foard, Hardeman, Knox | 37 min |
| May 3, 4:37 AM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Hardeman, Knox, Wilbarger | 38 min |
| May 3, 4:54 AM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Hardeman, Knox, Wilbarger | 36 min |
| May 3, 5:00 AM CDT | Tornado Warning | OUN | Wilbarger | 15 min |
| May 3, 5:12 AM CDT | Tornado Warning | OUN | Wilbarger | 18 min |
| May 3, 5:14 AM CDT | Tornado Warning | OUN | Wilbarger | 31 min |
| May 3, 5:29 AM CDT | Tornado Warning | OUN | Wilbarger | 16 min |
| May 3, 5:45 AM CDT | Special Weather Statement | OUN | Wichita | 45 min |
| May 3, 5:55 AM CDT | Special Weather Statement | OUN | Clay, Wichita | 35 min |
| May 3, 6:41 AM CDT | Special Weather Statement | OUN | Archer, Clay | 34 min |
| May 3, 7:44 AM CDT | Areal Flood Advisory | OUN | Archer, Clay, Wichita | 2 hr |
| May 2, 7:11 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian, Grady | 49 min |
| May 2, 7:14 PM CDT | Tornado Warning | OUN | Cotton | 31 min |
| May 2, 7:15 PM CDT | Tornado Warning | OUN | Comanche, Cotton, Tillman | 30 min |
| May 2, 7:30 PM CDT | Special Weather Statement | OUN | Canadian | 30 min |
| May 2, 7:30 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Grady, Jefferson, Stephens | 60 min |
| May 2, 7:43 PM CDT | Areal Flood Advisory | OUN | Caddo, Canadian, Cleveland, Grady, Oklahoma | 3 hr |
| May 2, 7:44 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Grady | 46 min |
| May 2, 8:00 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Grady | 30 min |
| May 2, 8:02 PM CDT | Tornado Warning | OUN | Cleveland, Grady, McClain | 43 min |
| May 2, 8:04 PM CDT | Flash Flood Warning | OUN | Canadian, Grady | 3 hr |
| May 2, 8:06 PM CDT | Tornado Warning | OUN | Grady | 24 min |
| May 2, 8:17 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Cleveland, Garvin, Grady, McClain, Murray and 2 more | 58 min |
| May 2, 8:22 PM CDT | Areal Flood Advisory | OUN | Cleveland, Grady, McClain, Oklahoma | 3 hr |
| May 2, 8:44 PM CDT | Tornado Warning | OUN | Cleveland | 18 min |
| May 2, 8:49 PM CDT | Tornado Warning | OUN | Cleveland, McClain | 12 min |
| May 2, 8:53 PM CDT | Flash Flood Warning | OUN | Cleveland, Grady, McClain, Oklahoma | 112 min |
| May 2, 8:57 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, Lincoln, Oklahoma, Pottawatomie, Seminole | 48 min |
| May 2, 8:57 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, Garvin, McClain, Pontotoc, Pottawatomie, Seminole | 63 min |
| May 2, 9:09 PM CDT | Special Weather Statement | OUN | Jefferson | 21 min |
| May 2, 9:09 PM CDT | Tornado Warning | OUN | Pottawatomie | 15 min |
| May 2, 9:16 PM CDT | Tornado Warning | OUN | Pottawatomie | 16 min |
| May 2, 9:32 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Noble, Payne | 43 min |
| May 2, 9:43 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Pottawatomie, Seminole | 32 min |
| May 2, 9:48 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Jefferson, Johnston, Love, Marshall, Murray and 1 more | 42 min |
| May 2, 9:50 PM CDT | Severe Thunderstorm Warning | OUN | Hughes, Seminole | 55 min |
| May 2, 10:26 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Carter, Coal, Johnston, Love, Marshall and 2 more | 49 min |
| May 2, 11:11 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Coal, Hughes, Johnston, Pontotoc, Seminole | 64 min |
| May 2, 11:19 PM CDT | Special Weather Statement | OUN | Carter, Love | 26 min |
| May 2, 11:54 PM CDT | Special Weather Statement | OUN | Johnston | 36 min |
| May 3, 12:26 AM CDT | Special Weather Statement | OUN | Coal | 49 min |
| May 3, 12:59 AM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Cotton, Garvin, Grady, McClain and 1 more | 46 min |
| May 3, 1:11 AM CDT | Special Weather Statement | OUN | Cotton | 34 min |
| May 3, 1:43 AM CDT | Special Weather Statement | OUN | Cleveland, McClain, Oklahoma, Pottawatomie | 47 min |
| May 3, 1:47 AM CDT | Special Weather Statement | OUN | Stephens | 28 min |
| May 3, 1:53 AM CDT | Severe Thunderstorm Warning | OUN | Canadian, Cleveland, Grady, Lincoln, Logan, McClain and 2 more | 26 min |
| May 3, 1:56 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Garvin, Grady, McClain, Stephens | 49 min |
| May 3, 2:44 AM CDT | Special Weather Statement | OUN | Cleveland, McClain | 31 min |
| May 3, 3:17 AM CDT | Special Weather Statement | OUN | Cleveland, Garvin, McClain, Pottawatomie | 28 min |
| May 3, 3:39 AM CDT | Areal Flood Advisory | OUN | Cleveland, Garvin, Grady, Lincoln, McClain, Pottawatomie and 1 more | 3 hr |
| May 3, 4:19 AM CDT | Special Weather Statement | OUN | Seminole | 26 min |
| May 3, 5:27 AM CDT | Severe Thunderstorm Warning | OUN | Atoka, Coal, Johnston | 33 min |
| May 3, 6:02 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 28 min |
| May 3, 6:06 AM CDT | Special Weather Statement | OUN | Lincoln | 24 min |
| May 3, 6:20 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Grady, Stephens | 25 min |
| May 3, 6:31 AM CDT | River Flood Warning | OUN | Pottawatomie, Seminole | 14 hr |
| May 3, 6:42 AM CDT | Severe Thunderstorm Warning | OUN | Garvin, Grady, Jefferson, Stephens | 33 min |
| May 3, 7:01 AM CDT | Special Weather Statement | OUN | Cleveland, Grady, McClain, Oklahoma | 29 min |
| May 3, 7:08 AM CDT | Severe Thunderstorm Warning | OUN | Carter, Garvin, Grady, McClain, Murray, Stephens | 37 min |
| May 3, 7:32 AM CDT | Severe Thunderstorm Warning | OUN | Oklahoma | 28 min |
| May 3, 7:33 AM CDT | Severe Thunderstorm Warning | OUN | Carter, Garvin, McClain, Murray, Pottawatomie | 27 min |
| May 3, 7:49 AM CDT | Areal Flood Advisory | OUN | Jefferson, Stephens | 116 min |
| May 3, 7:57 AM CDT | Special Weather Statement | OUN | Lincoln | 33 min |
| May 3, 8:02 AM CDT | Special Weather Statement | OUN | Murray, Pontotoc, Pottawatomie | 28 min |
| May 3, 8:20 AM CDT | Severe Thunderstorm Warning | OUN | Hughes, Pontotoc, Pottawatomie, Seminole | 40 min |
Nearby
Tornado Warnings in Texas, 2018Tornado Warnings in Oklahoma, 2018Every tornado warning in 2018Tornadoes in 2018
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.