Alert archive / Oklahoma / Tornado Warnings in 2018
Tornado Warning 15, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Aug 19, 2018, 3:46 PM CDT for Mayes County, Oklahoma. It was in force for 44 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
- Aug 19, 2018, 3:46 PM CDT (20:46 UTC)
- Expired
- Aug 19, 2018, 4:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Mayes County, OK
The radar
The Tulsa radar (KINX), 24 km from the middle of the area, began a volume at 20:47 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 |
|---|---|---|---|
| Aug 19, 4:01 PM CDT | TSTM WND DMG | 1 N Mazie, OK | BARNS AND OUTBUILDINGS DAMAGED ALONG HIGHWAY 69 NEAR MAZIE. LIKELY TORNADO DAMAGE. APPROXIMATE LOCATION. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 8.8 hours before the alert went out and 156 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
- 1069 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
566
WFUS54 KTSA 192046
TORTSA
OKC097-192130-
/O.NEW.KTSA.TO.W.0015.180819T2046Z-180819T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
346 PM CDT SUN AUG 19 2018
The National Weather Service in Tulsa has issued a
* Tornado Warning for...
Southwestern Mayes County in northeastern Oklahoma...
* Until 430 PM CDT.
* At 346 PM CDT, severe thunderstorms capable of producing a tornado
were located 3 miles west of Chouteau and 6 miles southeast of
Inola, moving northeast at 20 mph.
HAZARD...Tornado.
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 in or near the path include...
Pryor Creek... Chouteau...
Locust Grove... Salina...
Hoot Owl... Sportsmen Acres Community...
Mazie... Murphy...
Snowdale State Park...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement 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 3612 9519 3607 9538 3607 9544 3621 9544
3641 9511
TIME...MOT...LOC 2046Z 236DEG 17KT 3618 9540 3609 9543
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$6 follow-up statements
374
WWUS54 KTSA 192053
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
353 PM CDT SUN AUG 19 2018
OKC097-192130-
/O.CON.KTSA.TO.W.0015.000000T0000Z-180819T2130Z/
Mayes OK-
353 PM CDT SUN AUG 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
SOUTHWESTERN MAYES COUNTY...
At 351 PM CDT, severe thunderstorms with strong low level rotation
were located 2 miles northwest of Chouteau and 6 miles southeast of
Inola, moving northeast at 20 mph. The storm 6 miles southeast of
Inola has already produced a tornado. This is a dangerous storm.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Pryor Creek... Chouteau...
Locust Grove... Salina...
Hoot Owl... Sportsmen Acres Community...
Mazie... Murphy...
Snowdale State Park...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3612 9519 3607 9538 3607 9544 3621 9544
3641 9511
TIME...MOT...LOC 2051Z 233DEG 18KT 3620 9538 3610 9541
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$070
WWUS54 KTSA 192055 CCA
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
355 PM CDT SUN AUG 19 2018
OKC097-192130-
/O.COR.KTSA.TO.W.0015.000000T0000Z-180819T2130Z/
Mayes OK-
355 PM CDT SUN AUG 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
SOUTHWESTERN MAYES COUNTY...
At 354 PM CDT, a confirmed tornado was located 6 miles southwest of
Chouteau, moving northeast at 25 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Radar 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 in or near the path include...
Pryor Creek... Chouteau...
Locust Grove... Salina...
Hoot Owl... Sportsmen Acres Community...
Mazie... Murphy...
Snowdale State Park...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement 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 3612 9519 3607 9538 3607 9544 3621 9544
3641 9511
TIME...MOT...LOC 2053Z 230DEG 20KT 3620 9538 3610 9541
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...0.00IN
$$917
WWUS54 KTSA 192059 CCB
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
359 PM CDT SUN AUG 19 2018
OKC097-192130-
/O.COR.KTSA.TO.W.0015.000000T0000Z-180819T2130Z/
Mayes OK-
359 PM CDT SUN AUG 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
SOUTHWESTERN MAYES COUNTY...
At 359 PM CDT, a confirmed dangerous tornado was located 4 miles
south of Chouteau, moving northeast at 20 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
Locations in or near the path include...
Pryor Creek... Chouteau...
Locust Grove... Salina...
Hoot Owl... Sportsmen Acres Community...
Mazie... Murphy...
Snowdale State Park...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3612 9519 3607 9538 3607 9544 3621 9544
3641 9511
TIME...MOT...LOC 2055Z 232DEG 19KT 3620 9538 3610 9541
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...0.00IN
$$498
WWUS54 KTSA 192114
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
414 PM CDT SUN AUG 19 2018
OKC097-192130-
/O.CON.KTSA.TO.W.0015.000000T0000Z-180819T2130Z/
Mayes OK-
414 PM CDT SUN AUG 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
SOUTHWESTERN MAYES COUNTY...
At 414 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles southwest of Locust Grove, moving east at 25 mph.
HAZARD...Tornado.
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 in or near the path include...
Chouteau... Locust Grove...
Mazie... Murphy...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement 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 3608 9533 3611 9538 3619 9535 3624 9516
3612 9519
TIME...MOT...LOC 2114Z 265DEG 21KT 3617 9523
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$579
WWUS54 KTSA 192121
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
421 PM CDT SUN AUG 19 2018
OKC097-192130-
/O.CON.KTSA.TO.W.0015.000000T0000Z-180819T2130Z/
Mayes OK-
421 PM CDT SUN AUG 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR SOUTH
CENTRAL MAYES COUNTY...
At 420 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Locust Grove, moving northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Locust Grove...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3615 9522 3616 9525 3621 9527 3624 9516
3615 9518
TIME...MOT...LOC 2120Z 230DEG 20KT 3619 9519
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$032
WWUS54 KTSA 192127
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
427 PM CDT SUN AUG 19 2018
OKC097-192136-
/O.EXP.KTSA.TO.W.0015.000000T0000Z-180819T2130Z/
Mayes OK-
427 PM CDT SUN AUG 19 2018
...THE TORNADO WARNING FOR SOUTH CENTRAL MAYES COUNTY WILL EXPIRE AT
430 PM 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.
A Tornado Watch remains in effect until 900 PM CDT for northeastern
Oklahoma.
LAT...LON 3615 9522 3616 9525 3621 9527 3624 9516
3615 9518
TIME...MOT...LOC 2126Z 230DEG 20KT 3621 9516
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 10:45 PM CDT | Special Weather Statement | TSA | Choctaw | 30 min |
| Aug 18, 11:04 PM CDT | Special Weather Statement | TSA | Choctaw | 26 min |
| Aug 18, 11:31 PM CDT | Special Weather Statement | TSA | Choctaw | 44 min |
| Aug 19, 5:40 AM CDT | Special Weather Statement | TSA | Creek | 50 min |
| Aug 19, 6:29 AM CDT | Special Weather Statement | TSA | Creek, Okmulgee, Tulsa | 31 min |
| Aug 19, 6:51 AM CDT | Areal Flood Advisory | TSA | Creek, Mayes, Muskogee, Okfuskee, Okmulgee, Osage and 4 more | 3 hr |
| Aug 19, 7:00 AM CDT | Special Weather Statement | TSA | Okmulgee, Rogers, Tulsa, Wagoner | 45 min |
| Aug 19, 7:33 AM CDT | Special Weather Statement | TSA | Cherokee, Mayes, Rogers, Wagoner | 42 min |
| Aug 19, 8:02 AM CDT | Areal Flood Advisory | TSA | Adair, Cherokee, Craig, Delaware, Mayes, Ottawa and 2 more | 118 min |
| Aug 19, 8:07 AM CDT | Special Weather Statement | TSA | Adair, Cherokee, Mayes | 38 min |
| Aug 19, 8:31 AM CDT | Flash Flood Warning | TSA | Tulsa | 3 hr |
| Aug 19, 8:33 AM CDT | Special Weather Statement | TSA | Craig, Delaware, Ottawa | 42 min |
| Aug 19, 9:10 AM CDT | Special Weather Statement | TSA | Ottawa | 35 min |
| Aug 19, 11:26 AM CDT | Areal Flood Warning | TSA | Tulsa | 3 hr |
| Aug 19, 3:42 PM CDT | Special Weather Statement | TSA | Sequoyah | 48 min |
| Aug 19, 4:03 PM CDT | Tornado Warning | TSA | Adair, Cherokee | 42 min |
| Aug 19, 4:12 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Sequoyah | 48 min |
| Aug 19, 4:29 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Ottawa | 61 min |
Nearby
Tornado 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.