Alert archive / Oklahoma / Tornado Warnings in 2018

Tornado Warning 24, NWS Tulsa, OK

October 9, 2018Rogers County, Tulsa County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Oct 9, 2018, 11:27 AM CDT for Rogers County, Tulsa County, Wagoner County, Oklahoma. It was in force for 18 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
Oct 9, 2018, 11:27 AM CDT (16:27 UTC)
Expired
Oct 9, 2018, 11:45 AM CDT
In force
18 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Rogers County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 12 km from the middle of the area, began a volume at 16:32 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

TimeReportWhereRemark
Oct 9, 11:27 AM CDTTSTM WND DMG4 Ne Broken Arrow, OKLARGE TREE LIMB AND PRIVACY FENCE BLOWN DOWN NEAR LIBERTY ELEMENTARY. REPORT RELAYED VIA SOCIAL MEDIA.

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.

IssuedProductOfficeLasted
Oct 9, 8:48 AM CDTTornado WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 4.5 hours before the alert went out and 186 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2018-10-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 211 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2018-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 268 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
211 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
268 m²/s²
0-3 km storm-relative helicity
282 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

665 
WFUS54 KTSA 091627
TORTSA
OKC131-143-145-091645-
/O.NEW.KTSA.TO.W.0024.181009T1627Z-181009T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
1127 AM CDT TUE OCT 9 2018

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southwestern Rogers County in northeastern Oklahoma...
  Northwestern Wagoner County in northeastern Oklahoma...
  East central Tulsa County in northeastern Oklahoma...

* Until 1145 AM CDT.
    
* At 1127 AM CDT, a severe thunderstorm capable of producing a
  tornado was located 4 miles northeast of Broken Arrow, moving
  northeast at 40 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...
  Tulsa...                          Broken Arrow...
  Claremore...                      Catoosa...
  Verdigris...                      Taiwah...
  Tiawah...                         

This includes Interstate 44 between mile markers 232 and 249.
 
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 3604 9573 3610 9585 3638 9575 3624 9545
TIME...MOT...LOC 1627Z 213DEG 36KT 3611 9575 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
2 follow-up statements
806 
WWUS54 KTSA 091632
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1132 AM CDT TUE OCT 9 2018

OKC143-091641-
/O.CAN.KTSA.TO.W.0024.000000T0000Z-181009T1645Z/
Tulsa OK-
1132 AM CDT TUE OCT 9 2018

...THE TORNADO WARNING FOR EAST CENTRAL TULSA COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area therefore the warning has been cancelled.

A Tornado Watch remains in effect until 200 PM CDT for northeastern
Oklahoma.

LAT...LON 3624 9545 3604 9573 3606 9576 3616 9576
      3616 9581 3620 9582 3638 9575
TIME...MOT...LOC 1631Z 218DEG 30KT 3613 9573 

$$

OKC131-145-091645-
/O.CON.KTSA.TO.W.0024.000000T0000Z-181009T1645Z/
Rogers OK-Wagoner OK-
1132 AM CDT TUE OCT 9 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR
SOUTHWESTERN ROGERS AND NORTHWESTERN WAGONER COUNTIES...
    
At 1131 AM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles south of Catoosa, moving northeast at 35 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...
Broken Arrow...                   Claremore...
Catoosa...                        Verdigris...
Taiwah...                         Tiawah...

This includes Interstate 44 between mile markers 233 and 249.
 
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 3624 9545 3604 9573 3606 9576 3616 9576
      3616 9581 3620 9582 3638 9575
TIME...MOT...LOC 1631Z 218DEG 30KT 3613 9573 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
138 
WWUS54 KTSA 091640
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1140 AM CDT TUE OCT 9 2018

OKC131-145-091649-
/O.EXP.KTSA.TO.W.0024.000000T0000Z-181009T1645Z/
Rogers OK-Wagoner OK-
1140 AM CDT TUE OCT 9 2018

...THE TORNADO WARNING FOR SOUTHWESTERN ROGERS AND NORTHWESTERN
WAGONER COUNTIES WILL EXPIRE AT 1145 AM CDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.  

A Tornado Watch remains in effect until 200 PM CDT for northeastern
Oklahoma.

LAT...LON 3624 9545 3604 9573 3606 9576 3616 9576
      3616 9581 3620 9582 3638 9575
TIME...MOT...LOC 1639Z 213DEG 36KT 3619 9568 

$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 8, 9:32 PM CDTAreal Flood AdvisoryTSAOsage3 hr
Oct 8, 10:55 PM CDTAreal Flood AdvisoryTSAOsage, Pawnee3 hr
Oct 9, 9:29 AM CDTSevere Thunderstorm WarningTSACreek, Okfuskee46 min
Oct 9, 9:45 AM CDTSpecial Weather StatementTSAWagoner45 min
Oct 9, 9:49 AM CDTTornado WarningTSACreek, Okfuskee41 min
Oct 9, 10:23 AM CDTSevere Thunderstorm WarningTSACreek, Osage, Pawnee, Tulsa52 min
Oct 9, 10:30 AM CDTSpecial Weather StatementTSAOsage45 min
Oct 9, 10:31 AM CDTSevere Thunderstorm WarningTSACreek, McIntosh, Muskogee, Okfuskee, Okmulgee, Osage and 1 more44 min
Oct 9, 10:55 AM CDTSevere Thunderstorm WarningTSAOsage50 min
Oct 9, 11:04 AM CDTSevere Thunderstorm WarningTSANowata, Osage, Rogers, Tulsa, Washington41 min
Oct 9, 11:10 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee, Okmulgee, Rogers, Tulsa, Wagoner50 min
Oct 9, 11:37 AM CDTSevere Thunderstorm WarningTSANowata, Osage, Rogers, Tulsa, Washington38 min
Oct 9, 11:54 AM CDTSevere Thunderstorm WarningTSAMayes, Rogers, Wagoner36 min
Oct 9, 12:11 PM CDTSevere Thunderstorm WarningTSACraig, Mayes, Nowata, Rogers, Washington49 min
Oct 9, 12:16 PM CDTSevere Thunderstorm WarningTSACherokee, Craig, Delaware, Mayes, Rogers, Wagoner44 min
Oct 9, 12:54 PM CDTSevere Thunderstorm WarningTSACraig, Delaware, Mayes, Ottawa66 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.