Alert archive / Oklahoma / Tornado Warnings in 2018
Tornado Warning 19, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Oct 7, 2018, 1:45 PM CDT for Adair County, Cherokee County, Oklahoma. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 7, 2018, 1:45 PM CDT (18:45 UTC)
- Expired
- Oct 7, 2018, 2:15 PM CDT
- In force
- 30 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Adair County, OK, Cherokee County, OK
The radar
The Western Arkansas radar (KSRX), 73 km from the middle of the area, began a volume at 18:45 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.8 hours before the alert went out and 147 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
- 723 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.5
The text
As transmitted.
987
WFUS54 KTSA 071845
TORTSA
OKC001-021-071915-
/O.NEW.KTSA.TO.W.0019.181007T1845Z-181007T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
145 PM CDT SUN OCT 7 2018
The National Weather Service in Tulsa has issued a
* Tornado Warning for...
West central Adair County in northeastern Oklahoma...
East central Cherokee County in east central Oklahoma...
* Until 215 PM CDT.
* At 145 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles northeast of Cherokee Landing State Park,
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...
Eldon... Proctor...
Christie... Baron...
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 3575 9480 3580 9492 3601 9484 3593 9461
TIME...MOT...LOC 1845Z 212DEG 22KT 3580 9485
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$2 follow-up statements
721
WWUS54 KTSA 071859
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
159 PM CDT SUN OCT 7 2018
OKC001-021-071915-
/O.CON.KTSA.TO.W.0019.000000T0000Z-181007T1915Z/
Adair OK-Cherokee OK-
159 PM CDT SUN OCT 7 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR WEST
CENTRAL ADAIR AND EAST CENTRAL CHEROKEE COUNTIES...
At 158 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles southeast of Eldon, moving northeast at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Proctor... Eldon...
Christie...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3581 9479 3586 9487 3601 9484 3593 9461
TIME...MOT...LOC 1858Z 212DEG 24KT 3588 9479
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$705
WWUS54 KTSA 071913
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
213 PM CDT SUN OCT 7 2018
OKC001-021-071922-
/O.EXP.KTSA.TO.W.0019.000000T0000Z-181007T1915Z/
Adair OK-Cherokee OK-
213 PM CDT SUN OCT 7 2018
...THE TORNADO WARNING FOR WEST CENTRAL ADAIR AND EAST CENTRAL
CHEROKEE COUNTIES WILL EXPIRE AT 215 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. However gusty winds
are still possible with this thunderstorm.
LAT...LON 3581 9479 3586 9487 3601 9484 3593 9461
TIME...MOT...LOC 1912Z 212DEG 22KT 3592 9476
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 12:39 PM CDT | Special Weather Statement | TSA | Sequoyah | 51 min |
| Oct 7, 12:55 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Sequoyah | 50 min |
| Oct 7, 2:15 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Delaware | 45 min |
| Oct 7, 2:41 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 34 min |
| Oct 7, 3:03 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 42 min |
| Oct 7, 4:24 PM CDT | Special Weather Statement | TSA | Latimer | 36 min |
| Oct 7, 5:43 PM CDT | Special Weather Statement | TSA | Pushmataha | 47 min |
| Oct 7, 6:20 PM CDT | Special Weather Statement | TSA | Pittsburg | 40 min |
| Oct 7, 6:39 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.