Alert archive / Oklahoma / Tornado Warnings in 2018
Tornado Warning 20, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Oct 7, 2018, 7:52 PM CDT for Osage County, Oklahoma. It was in force for 38 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, 7:52 PM CDT (00:52 UTC)
- Expired
- Oct 7, 2018, 8:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
County Osage County, OK
The radar
The Tulsa radar (KINX), 106 km from the middle of the area, began a volume at 00:52 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
Norman, OK (KOUN), launched 00:00Z, 0.9 hours before the alert went out and 175 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
- 864 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 234 m²/s²
- 0-3 km storm-relative helicity
- 274 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 11.1
The text
As transmitted.
926
WFUS54 KTSA 080052
TORTSA
OKC113-080130-
/O.NEW.KTSA.TO.W.0020.181008T0052Z-181008T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
752 PM CDT SUN OCT 7 2018
The National Weather Service in Tulsa has issued a
* Tornado Warning for...
Central Osage County in northeastern Oklahoma...
* Until 830 PM CDT.
* At 752 PM CDT, a confirmed tornado was located near Fairfax, moving
northeast at 20 mph.
HAZARD...Damaging tornado.
SOURCE...Broadcast media 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 in or near the path include...
Fairfax... Foraker...
Pearsonia...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. 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 3652 9667 3659 9677 3690 9655 3672 9630
TIME...MOT...LOC 0052Z 222DEG 16KT 3660 9668
TORNADO...OBSERVED
HAIL...<.75IN
$$3 follow-up statements
984
WWUS54 KTSA 080100
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
800 PM CDT SUN OCT 7 2018
OKC113-080130-
/O.CON.KTSA.TO.W.0020.000000T0000Z-181008T0130Z/
Osage OK-
800 PM CDT SUN OCT 7 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR CENTRAL
OSAGE COUNTY...
At 759 PM CDT, radar indicated a possible tornado was located 5
miles northeast of Fairfax, moving northeast at 20 mph. At 722 PM,
broadcast media reported power flashes 2 miles northeast of Fairfax.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Broadcast media confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Fairfax... Foraker...
Pearsonia...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3652 9667 3659 9677 3690 9655 3672 9630
TIME...MOT...LOC 0059Z 219DEG 17KT 3664 9665
TORNADO...OBSERVED
HAIL...1.00IN
$$000
WWUS54 KTSA 080106
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
806 PM CDT SUN OCT 7 2018
OKC113-080130-
/O.CON.KTSA.TO.W.0020.000000T0000Z-181008T0130Z/
Osage OK-
806 PM CDT SUN OCT 7 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR NORTH
CENTRAL OSAGE COUNTY...
At 805 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles east of Burbank, moving northeast at 20 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 in or near the path include...
Foraker... Pearsonia...
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3657 9658 3666 9672 3690 9655 3672 9630
TIME...MOT...LOC 0105Z 223DEG 17KT 3667 9661
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$754
WWUS54 KTSA 080116
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
816 PM CDT SUN OCT 7 2018
OKC113-080130-
/O.CON.KTSA.TO.W.0020.000000T0000Z-181008T0130Z/
Osage OK-
816 PM CDT SUN OCT 7 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR NORTH
CENTRAL OSAGE COUNTY...
At 816 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southeast of Shidler, moving northeast at 25 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Pearsonia...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3664 9652 3671 9664 3690 9655 3673 9631
TIME...MOT...LOC 0116Z 224DEG 20KT 3672 9655
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 7:28 PM CDT | Special Weather Statement | TSA | Osage | 47 min |
| Oct 7, 7:30 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 45 min |
| Oct 7, 8:04 PM CDT | Special Weather Statement | TSA | Pawnee | 26 min |
| Oct 7, 8:24 PM CDT | Tornado Warning | TSA | Osage | 51 min |
| Oct 7, 8:27 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 33 min |
| Oct 7, 8:52 PM CDT | Special Weather Statement | TSA | Pawnee | 38 min |
| Oct 7, 9:08 PM CDT | Tornado Warning | TSA | Osage | 28 min |
| Oct 7, 9:14 PM CDT | Areal Flood Advisory | TSA | Osage, Pawnee | 3 hr |
| Oct 8, 9:19 AM CDT | River Flood Warning | TSA | Ottawa | 7 days |
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.