Alert archive / Oklahoma / Tornado Warnings in 2021

Tornado Warning 44, NWS Tulsa, OK

November 10, 2021Delaware County, Mayes County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Nov 10, 2021, 8:15 PM CST for Delaware County, Mayes 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
Nov 10, 2021, 8:15 PM CST (02:15 UTC)
Expired
Nov 10, 2021, 8:45 PM CST
In force
30 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Delaware County, OK, Mayes County, OK

The radar

The Tulsa radar (KINX), 57 km from the middle of the area, began a volume at 02:15 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 10, 3:26 PM CSTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.3 hours before the alert went out and 123 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, Springfield, MO at 00:00Z on 2021-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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, Springfield, MO at 00:00Z on 2021-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 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
5 J/kg
Mixed-layer CIN
-156 J/kg
Mixed-layer LCL
1136 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

568 
WFUS54 KTSA 110215
TORTSA
OKC041-097-110245-
/O.NEW.KTSA.TO.W.0044.211111T0215Z-211111T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
815 PM CST Wed Nov 10 2021

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southwestern Delaware County in northeastern Oklahoma...
  Southeastern Mayes County in northeastern Oklahoma...

* Until 845 PM CST.
    
* At 815 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Salina, moving east at 45 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...
  Jay...                            Locust Grove...
  Salina...                         Rose...
  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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3625 9474 3617 9522 3630 9524 3645 9479
TIME...MOT...LOC 0215Z 248DEG 39KT 3627 9513 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$
Snider
1 follow-up statement
098 
WWUS54 KTSA 110231
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
831 PM CST Wed Nov 10 2021

OKC097-110240-
/O.CAN.KTSA.TO.W.0044.000000T0000Z-211111T0245Z/
Mayes OK-
831 PM CST Wed Nov 10 2021

...THE TORNADO WARNING FOR SOUTHEASTERN MAYES COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CST for
northeastern Oklahoma.

LAT...LON 3645 9479 3625 9474 3621 9501 3625 9501
      3638 9500
TIME...MOT...LOC 0230Z 248DEG 39KT 3633 9493 

$$

OKC041-110245-
/O.CON.KTSA.TO.W.0044.000000T0000Z-211111T0245Z/
Delaware OK-
831 PM CST Wed Nov 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CST FOR
SOUTHWESTERN DELAWARE COUNTY...
    
At 830 PM CST, a severe thunderstorm capable of producing a tornado
was located 6 miles south of Chloeta, moving east at 45 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...
Jay...                            

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 3645 9479 3625 9474 3621 9501 3625 9501
      3638 9500
TIME...MOT...LOC 0230Z 248DEG 39KT 3633 9493 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$
Snider

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 10, 6:00 PM CSTSpecial Weather StatementTSAOsage15 min
Nov 10, 6:17 PM CSTSevere Thunderstorm WarningTSACreek, Pawnee43 min
Nov 10, 6:20 PM CSTSpecial Weather StatementTSAWashington25 min
Nov 10, 6:26 PM CSTSpecial Weather StatementTSAOsage34 min
Nov 10, 6:38 PM CSTSpecial Weather StatementTSATulsa37 min
Nov 10, 6:43 PM CSTSevere Thunderstorm WarningTSACreek, Osage, Pawnee, Tulsa47 min
Nov 10, 6:47 PM CSTSpecial Weather StatementTSANowata, Washington43 min
Nov 10, 6:54 PM CSTSpecial Weather StatementTSANowata36 min
Nov 10, 7:00 PM CSTSpecial Weather StatementTSATulsa30 min
Nov 10, 7:01 PM CSTSpecial Weather StatementTSACreek29 min
Nov 10, 7:07 PM CSTSevere Thunderstorm WarningTSACreek, Rogers, Tulsa, Wagoner38 min
Nov 10, 7:20 PM CSTSevere Thunderstorm WarningTSANowata25 min
Nov 10, 7:20 PM CSTTornado WarningTSARogers, Tulsa10 min
Nov 10, 7:22 PM CSTSevere Thunderstorm WarningTSANowata, Rogers23 min
Nov 10, 7:23 PM CSTAreal Flood AdvisoryTSACreek, Okmulgee, Osage, Rogers, Tulsa, Wagoner3 hr
Nov 10, 7:26 PM CSTTornado Warning Tornado observedTSARogers, Tulsa, Wagoner34 min
Nov 10, 7:29 PM CSTSevere Thunderstorm WarningTSACherokee, Mayes, Rogers, Tulsa, Wagoner46 min
Nov 10, 7:41 PM CSTSpecial Weather StatementTSAOkmulgee34 min
Nov 10, 7:48 PM CSTSpecial Weather StatementTSACraig27 min
Nov 10, 7:51 PM CSTTornado WarningTSAMayes, Rogers39 min
Nov 10, 8:04 PM CSTSpecial Weather StatementTSAPittsburg26 min
Nov 10, 8:06 PM CSTSpecial Weather StatementTSAChoctaw24 min
Nov 10, 8:14 PM CSTSpecial Weather StatementTSADelaware, Ottawa46 min
Nov 10, 8:18 PM CSTSpecial Weather StatementTSAAdair, Cherokee57 min
Nov 10, 8:24 PM CSTSpecial Weather StatementTSAMuskogee36 min
Nov 10, 8:33 PM CSTSpecial Weather StatementTSAPittsburg27 min
Nov 10, 8:42 PM CSTSevere Thunderstorm WarningTSADelaware33 min
Nov 10, 8:42 PM CSTSevere Thunderstorm WarningTSAAdair, Cherokee, Delaware33 min
Nov 10, 8:50 PM CSTSpecial Weather StatementTSAPushmataha25 min
Nov 10, 8:51 PM CSTSpecial Weather StatementTSAMuskogee24 min
Nov 10, 8:55 PM CSTSevere Thunderstorm WarningTSAAdair, Cherokee, Muskogee35 min
Nov 10, 9:05 PM CSTAreal Flood AdvisoryTSACherokee, McIntosh, Mayes, Muskogee, Okmulgee, Wagoner3 hr
Nov 10, 9:17 PM CSTSpecial Weather StatementTSAHaskell, Muskogee, Sequoyah43 min
Nov 10, 9:19 PM CSTSpecial Weather StatementTSAChoctaw26 min
Nov 10, 9:22 PM CSTSpecial Weather StatementTSAPushmataha23 min
Nov 10, 9:44 PM CSTSevere Thunderstorm WarningTSALatimer, LeFlore, Pittsburg, Pushmataha46 min
Nov 10, 9:52 PM CSTSpecial Weather StatementTSAHaskell, Sequoyah38 min
Nov 10, 9:55 PM CSTAreal Flood AdvisoryTSAAdair, Cherokee, Haskell, LeFlore, McIntosh, Muskogee and 1 more3 hr
Nov 10, 10:30 PM CSTSpecial Weather StatementTSALeFlore45 min
Nov 10, 10:49 PM CSTAreal Flood AdvisoryTSALatimer, Pushmataha3 hr
Nov 10, 11:17 PM CSTSpecial Weather StatementTSALeFlore28 min

Nearby

Tornado Warnings in Oklahoma, 2021Every tornado warning in 2021Tornadoes in 2021

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.