Alert archive / Oklahoma / Tornado Warnings in 2018
Tornado Warning 21, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Oct 7, 2018, 8:24 PM CDT for Osage County, Oklahoma. It was in force for 51 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, 8:24 PM CDT (01:24 UTC)
- Expired
- Oct 7, 2018, 9:15 PM CDT
- In force
- 51 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Osage County, OK
The radar
The Tulsa radar (KINX), 107 km from the middle of the area, began a volume at 01:26 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, 1.4 hours before the alert went out and 207 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.
341
WFUS54 KTSA 080124
TORTSA
OKC113-080215-
/O.NEW.KTSA.TO.W.0021.181008T0124Z-181008T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
824 PM CDT SUN OCT 7 2018
The National Weather Service in Tulsa has issued a
* Tornado Warning for...
North central Osage County in northeastern Oklahoma...
* Until 915 PM CDT.
* At 823 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located 5 miles
southwest of Pearsonia, moving northeast at 25 mph. This storm
has a history of producing tornadoes.
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...
Elgin... 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 3700 9613 3668 9650 3675 9662 3700 9649
TIME...MOT...LOC 0123Z 215DEG 22KT 3676 9653
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$5 follow-up statements
379
WWUS54 KTSA 080132
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
832 PM CDT SUN OCT 7 2018
OKC113-080215-
/O.CON.KTSA.TO.W.0021.000000T0000Z-181008T0215Z/
Osage OK-
832 PM CDT SUN OCT 7 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR NORTH
CENTRAL OSAGE COUNTY...
At 831 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located 3 miles
southwest of Pearsonia, moving northeast at 20 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Elgin... Pearsonia...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3700 9613 3668 9650 3675 9662 3700 9649
TIME...MOT...LOC 0131Z 222DEG 18KT 3678 9650
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$777
WWUS54 KTSA 080138
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
838 PM CDT SUN OCT 7 2018
OKC113-080215-
/O.CON.KTSA.TO.W.0021.000000T0000Z-181008T0215Z/
Osage OK-
838 PM CDT SUN OCT 7 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR NORTH
CENTRAL OSAGE COUNTY...
At 838 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located over Pearsonia,
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...
Elgin... 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 3671 9646 3677 9658 3700 9647 3700 9613
TIME...MOT...LOC 0138Z 224DEG 20KT 3680 9646
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$306
WWUS54 KTSA 080146
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
846 PM CDT SUN OCT 7 2018
OKC113-080215-
/O.CON.KTSA.TO.W.0021.000000T0000Z-181008T0215Z/
Osage OK-
846 PM CDT SUN OCT 7 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR NORTH
CENTRAL OSAGE COUNTY...
At 846 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located near Pearsonia,
moving northeast at 25 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Elgin... Pearsonia...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3673 9644 3680 9656 3700 9647 3700 9613
TIME...MOT...LOC 0146Z 213DEG 21KT 3683 9644
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$595
WWUS54 KTSA 080154
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
854 PM CDT SUN OCT 7 2018
OKC113-080215-
/O.CON.KTSA.TO.W.0021.000000T0000Z-181008T0215Z/
Osage OK-
854 PM CDT SUN OCT 7 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR NORTH
CENTRAL OSAGE COUNTY...
At 854 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located 7 miles
northeast of Pearsonia, moving northeast at 35 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...
Elgin... 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 3677 9639 3683 9651 3700 9644 3700 9613
TIME...MOT...LOC 0154Z 221DEG 29KT 3689 9638
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$634
WWUS54 KTSA 080203
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
903 PM CDT SUN OCT 7 2018
OKC113-080215-
/O.CON.KTSA.TO.W.0021.000000T0000Z-181008T0215Z/
Osage OK-
903 PM CDT SUN OCT 7 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR NORTH
CENTRAL OSAGE COUNTY...
At 902 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located 6 miles
southwest of Elgin, moving northeast at 25 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Elgin...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3683 9632 3689 9646 3700 9642 3700 9613
TIME...MOT...LOC 0202Z 215DEG 23KT 3693 9635
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$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, 7:52 PM CDT | Tornado Warning | TSA | Osage | 38 min |
| Oct 7, 8:04 PM CDT | Special Weather Statement | TSA | Pawnee | 26 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.