Alert archive / Oklahoma / Tornado Warnings in 2020

Tornado Warning 1, NWS Tulsa, OK

January 10, 20204 counties in Oklahoma

NWS Tulsa, OK issued this tornado warning at Jan 10, 2020, 11:34 AM CST for 4 counties in Oklahoma. It was in force for 41 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
Jan 10, 2020, 11:34 AM CST (17:34 UTC)
Expired
Jan 10, 2020, 12:15 PM CST
In force
41 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Cherokee County, OK, Delaware County, OK, Mayes County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 39 km from the middle of the area, began a volume at 17:37 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
Jan 10, 10:42 AM CSTTornado WatchSPC10 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.6 hours before the alert went out and 153 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 12:00Z on 2020-01-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 619 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 12:00Z on 2020-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.1939587897Sfc1 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
619 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
540 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

737 
WFUS54 KTSA 101734
TORTSA
OKC021-041-097-145-101815-
/O.NEW.KTSA.TO.W.0001.200110T1734Z-200110T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
1134 AM CST Fri Jan 10 2020

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southwestern Delaware County in northeastern Oklahoma...
  Southeastern Mayes County in northeastern Oklahoma...
  East central Wagoner County in northeastern Oklahoma...
  Northwestern Cherokee County in east central Oklahoma...

* Until 1215 PM CST.
    
* At 1134 AM CST, a severe thunderstorm with strong low level
  rotation that could produce a tornado at any time was located 6
  miles north of Sequoyah State Park, moving northeast at 30 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...
  Wagoner...                        Locust Grove...
  Salina...                         Hulbert...
  Leach...                          Peggs...
  Rose...                           Sportsmen Acres Community...
  Sequoyah State Park...            Lost City...
  Murphy...                         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.

&&

LAT...LON 3586 9516 3592 9537 3638 9526 3629 9482
TIME...MOT...LOC 1734Z 202DEG 26KT 3598 9524 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
4 follow-up statements
344 
WWUS54 KTSA 101741
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1141 AM CST Fri Jan 10 2020

OKC021-041-097-145-101815-
/O.CON.KTSA.TO.W.0001.000000T0000Z-200110T1815Z/
Delaware OK-Mayes OK-Wagoner OK-Cherokee OK-
1141 AM CST Fri Jan 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 PM CST FOR
SOUTHWESTERN DELAWARE...SOUTHEASTERN MAYES...EAST CENTRAL WAGONER AND
NORTHWESTERN CHEROKEE COUNTIES...
    
At 1141 AM CST, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located 6 miles
northwest of Hulbert, moving northeast at 30 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...
Locust Grove...                   Salina...
Leach...                          Peggs...
Rose...                           Sportsmen Acres Community...
Lost City...                      Murphy...
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.

&&

LAT...LON 3595 9516 3597 9531 3638 9526 3629 9482
TIME...MOT...LOC 1741Z 203DEG 25KT 3601 9522 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
346 
WWUS54 KTSA 101749
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1149 AM CST Fri Jan 10 2020

OKC145-101758-
/O.CAN.KTSA.TO.W.0001.000000T0000Z-200110T1815Z/
Wagoner OK-
1149 AM CST Fri Jan 10 2020

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

A Tornado Watch remains in effect until 600 PM CST for northeastern
and east central Oklahoma.

LAT...LON 3629 9482 3600 9515 3603 9523 3604 9522
      3604 9521 3607 9521 3608 9522 3637 9519
TIME...MOT...LOC 1748Z 204DEG 26KT 3606 9517 

$$

OKC021-041-097-101815-
/O.CON.KTSA.TO.W.0001.000000T0000Z-200110T1815Z/
Delaware OK-Mayes OK-Cherokee OK-
1149 AM CST Fri Jan 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 PM CST FOR
SOUTHWESTERN DELAWARE...SOUTHEASTERN MAYES AND NORTHWESTERN CHEROKEE
COUNTIES...
    
At 1148 AM CST, a severe thunderstorm capable of producing a tornado
was located 4 miles west of Peggs, moving northeast at 30 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...
Locust Grove...                   Salina...
Peggs...                          Rose...
Leach...                          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.

&&

LAT...LON 3629 9482 3600 9515 3603 9523 3604 9522
      3604 9521 3607 9521 3608 9522 3637 9519
TIME...MOT...LOC 1748Z 204DEG 26KT 3606 9517 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
547 
WWUS54 KTSA 101800
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1200 PM CST Fri Jan 10 2020

OKC041-101809-
/O.CAN.KTSA.TO.W.0001.000000T0000Z-200110T1815Z/
Delaware OK-
1200 PM CST Fri Jan 10 2020

...THE TORNADO WARNING FOR SOUTHWESTERN DELAWARE COUNTY IS
CANCELLED...
    
The tornadic part of the thunderstorm which prompted the warning is 
no longer expected to move into the warned area, and therefore, the 
Tornado Warning has been cancelled. However, a Severe Thunderstorm 
Warning remains in effect, with damaging winds to 60 mph possible.

A Tornado Watch remains in effect until 600 PM CST for northeastern
and east central Oklahoma.

LAT...LON 3627 9500 3625 9501 3617 9501 3604 9512
      3608 9522 3631 9520
TIME...MOT...LOC 1759Z 201DEG 25KT 3613 9514 

$$

OKC021-097-101815-
/O.CON.KTSA.TO.W.0001.000000T0000Z-200110T1815Z/
Mayes OK-Cherokee OK-
1200 PM CST Fri Jan 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 PM CST FOR
SOUTHEASTERN MAYES AND NORTHWESTERN CHEROKEE COUNTIES...
    
At 1159 AM CST, a severe thunderstorm capable of producing a tornado
was located 3 miles northwest of Peggs, moving north 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...
Locust Grove...                   Salina...
Peggs...                          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.

&&

LAT...LON 3627 9500 3625 9501 3617 9501 3604 9512
      3608 9522 3631 9520
TIME...MOT...LOC 1759Z 201DEG 25KT 3613 9514 

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

$$
531 
WWUS54 KTSA 101812
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1212 PM CST Fri Jan 10 2020

OKC021-097-101820-
/O.EXP.KTSA.TO.W.0001.000000T0000Z-200110T1815Z/
Mayes OK-Cherokee OK-
1212 PM CST Fri Jan 10 2020

...THE TORNADO WARNING FOR SOUTHEASTERN MAYES AND NORTHWESTERN
CHEROKEE COUNTIES WILL EXPIRE AT 1215 PM CST...
                
The storm which prompted the Tornado Warning no longer appears 
capable of producing a tornado. Therefore, the Tornado Warning will 
be allowed to expire. However, damaging winds to 60 mph are still 
possible with this thunderstorm, and a Severe Thunderstorm Warning 
remains in effect through 1245 PM.

A Tornado Watch remains in effect until 600 PM CST for northeastern
and east central Oklahoma.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tulsa.

LAT...LON 3627 9500 3625 9501 3617 9501 3604 9512
      3608 9522 3631 9520
TIME...MOT...LOC 1810Z 202DEG 26KT 3620 9511 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 10, 10:42 AM CSTSevere Thunderstorm WarningTSACreek, Okfuskee25 min
Jan 10, 10:58 AM CSTSpecial Weather StatementTSAOsage, Pawnee47 min
Jan 10, 11:15 AM CSTSpecial Weather StatementTSAOsage30 min
Jan 10, 11:27 AM CSTSevere Thunderstorm WarningTSACherokee, Delaware, Mayes, Muskogee, Wagoner48 min
Jan 10, 11:32 AM CSTSpecial Weather StatementTSATulsa28 min
Jan 10, 11:35 AM CSTSevere Thunderstorm WarningTSARogers, Tulsa, Washington25 min
Jan 10, 11:39 AM CSTSpecial Weather StatementTSAOttawa36 min
Jan 10, 11:46 AM CSTSpecial Weather StatementTSAOkmulgee44 min
Jan 10, 11:54 AM CSTSevere Thunderstorm WarningTSACraig, Delaware, Mayes, Ottawa51 min
Jan 10, 12:09 PM CSTSpecial Weather StatementTSANowata, Washington51 min
Jan 10, 12:38 PM CSTSpecial Weather StatementTSAMuskogee, Wagoner37 min
Jan 10, 12:43 PM CSTSpecial Weather StatementTSAMcIntosh, Pittsburg47 min
Jan 10, 12:54 PM CSTSevere Thunderstorm WarningTSACherokee, Mayes, Muskogee, Wagoner51 min
Jan 10, 1:03 PM CSTSevere Thunderstorm WarningTSAMcIntosh, Pittsburg42 min
Jan 10, 1:04 PM CSTTornado WarningTSACherokee, Muskogee, Wagoner41 min
Jan 10, 1:11 PM CSTTornado WarningTSAMcIntosh, Pittsburg36 min
Jan 10, 1:14 PM CSTSevere Thunderstorm WarningTSACraig, Nowata27 min
Jan 10, 1:22 PM CSTTornado WarningTSACraig, Nowata16 min
Jan 10, 1:31 PM CSTTornado WarningTSACherokee, Delaware, Mayes44 min
Jan 10, 1:37 PM CSTTornado WarningTSAMcIntosh, Muskogee, Pittsburg38 min
Jan 10, 1:59 PM CSTSpecial Weather StatementTSAPittsburg46 min
Jan 10, 2:06 PM CSTTornado WarningTSAMcIntosh, Muskogee39 min
Jan 10, 2:09 PM CSTTornado WarningTSADelaware9 min
Jan 10, 2:29 PM CSTSevere Thunderstorm WarningTSALatimer, McIntosh, Pittsburg46 min
Jan 10, 2:34 PM CSTSevere Thunderstorm WarningTSAPittsburg41 min
Jan 10, 2:36 PM CSTTornado WarningTSAAdair, Cherokee, Muskogee39 min
Jan 10, 2:51 PM CSTTornado WarningTSAHaskell, McIntosh, Muskogee, Pittsburg39 min
Jan 10, 3:05 PM CSTSevere Thunderstorm WarningTSAHaskell, Latimer, Pittsburg40 min
Jan 10, 3:12 PM CSTTornado WarningTSAAdair, Cherokee, Delaware28 min
Jan 10, 3:13 PM CSTAreal Flood AdvisoryTSACherokee, Haskell, Latimer, McIntosh, Muskogee, Pittsburg and 1 more3 hr
Jan 10, 3:21 PM CSTSevere Thunderstorm WarningTSAHaskell, Latimer, LeFlore, McIntosh, Muskogee, Pittsburg and 1 more39 min
Jan 10, 3:40 PM CSTTornado WarningTSAHaskell, LeFlore, Sequoyah34 min
Jan 10, 3:49 PM CSTSevere Thunderstorm WarningTSAAdair41 min
Jan 10, 3:50 PM CSTAreal Flood AdvisoryTSAAdair, Cherokee, Delaware, Sequoyah3 hr
Jan 10, 3:55 PM CSTSevere Thunderstorm WarningTSAAdair, Cherokee, Haskell, LeFlore, Sequoyah50 min
Jan 10, 3:58 PM CSTAreal Flood AdvisoryTSAMcIntosh, Pittsburg3 hr
Jan 10, 4:02 PM CSTWinter Weather AdvisoryTSAAdair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more23 hr
Jan 10, 4:24 PM CSTSevere Thunderstorm WarningTSAAdair, Sequoyah51 min
Jan 10, 4:34 PM CSTWinter Storm WatchTSAPawnee, Washington4 hr
Jan 10, 4:53 PM CSTFlash Flood WarningTSACherokee, Haskell, Latimer, McIntosh, Muskogee, Pittsburg and 1 more6 hr
Jan 10, 5:16 PM CSTSpecial Weather StatementTSAPittsburg44 min
Jan 10, 5:47 PM CSTSpecial Weather StatementTSAHaskell, Latimer43 min

Nearby

Tornado Warnings in Oklahoma, 2020Every tornado warning in 2020Tornadoes in 2020

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.