Alert archive / Oklahoma / Tornado Warnings in 2020

Tornado Warning 42, NWS Tulsa, OK

May 25, 2020Cherokee County, Mayes County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 25, 2020, 6:26 PM CDT for Cherokee County, Mayes County, Oklahoma. It was in force for 49 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
May 25, 2020, 6:26 PM CDT (23:26 UTC)
Expired
May 25, 2020, 7:15 PM CDT
In force
49 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

Counties Cherokee County, OK, Mayes County, OK

The radar

The Tulsa radar (KINX), 45 km from the middle of the area, began a volume at 23:31 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
May 25, 6:14 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.4 hours before the alert went out and 156 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 2020-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 753 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 2020-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.193958Sfc1 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
753 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

571 
WFUS54 KTSA 252326
TORTSA
OKC021-097-260015-
/O.NEW.KTSA.TO.W.0042.200525T2326Z-200526T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
626 PM CDT Mon May 25 2020

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southern Mayes County in northeastern Oklahoma...
  Northwestern Cherokee County in east central Oklahoma...

* Until 715 PM CDT.
    
* At 626 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 4 miles southeast of Hulbert, moving north at 30 mph.

  HAZARD...Tornado and half dollar 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...
  Tahlequah...                      Hulbert...
  Peggs...                          Lost City...

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 3616 9494 3580 9501 3580 9513 3581 9513
      3581 9517 3604 9521 3607 9521 3608 9522
      3616 9523
TIME...MOT...LOC 2326Z 177DEG 25KT 3589 9508 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$
3 follow-up statements
942 
WWUS54 KTSA 252336
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
636 PM CDT Mon May 25 2020

OKC021-097-260015-
/O.CON.KTSA.TO.W.0042.000000T0000Z-200526T0015Z/
Mayes OK-Cherokee OK-
636 PM CDT Mon May 25 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTHERN
MAYES AND NORTHWESTERN CHEROKEE COUNTIES...
    
At 635 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles east of Hulbert, moving north 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...
Tahlequah...                      Hulbert...
Peggs...                          Lost City...

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 3616 9494 3585 9503 3585 9514 3604 9521
      3607 9521 3608 9522 3616 9523
TIME...MOT...LOC 2335Z 180DEG 18KT 3593 9509 

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

$$
495 
WWUS54 KTSA 252352
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
652 PM CDT Mon May 25 2020

OKC021-097-260015-
/O.CON.KTSA.TO.W.0042.000000T0000Z-200526T0015Z/
Mayes OK-Cherokee OK-
652 PM CDT Mon May 25 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTHERN
MAYES AND NORTHWESTERN CHEROKEE COUNTIES...
    
At 652 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles northeast of Hulbert, moving north at 25 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...
Hulbert...                        Peggs...
Lost City...                      

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 3616 9494 3591 9503 3591 9516 3604 9521
      3607 9521 3608 9522 3616 9523
TIME...MOT...LOC 2352Z 177DEG 23KT 3599 9508 

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

$$
283 
WWUS54 KTSA 260003
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
703 PM CDT Mon May 25 2020

OKC021-097-260015-
/O.CON.KTSA.TO.W.0042.000000T0000Z-200526T0015Z/
Mayes OK-Cherokee OK-
703 PM CDT Mon May 25 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTHERN
MAYES AND NORTHWESTERN CHEROKEE COUNTIES...
    
At 703 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Peggs, moving north at 20 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...
Peggs...                          Lost City...

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 3616 9494 3598 9501 3599 9516 3604 9521
      3607 9521 3608 9522 3616 9523
TIME...MOT...LOC 0003Z 181DEG 19KT 3605 9507 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 2:57 AM CDTFlash Flood WatchTSAAdair, Cherokee, Choctaw, Craig, Delaware, Haskell and 13 more25 hr
May 25, 8:52 AM CDTRiver Flood AdvisoryTSACherokee3 days
May 25, 1:49 PM CDTRiver Flood AdvisoryTSAOttawa3 days
May 25, 2:08 PM CDTRiver Flood AdvisoryTSAMuskogee7 hr
May 25, 3:28 PM CDTSpecial Weather StatementTSAHaskell32 min
May 25, 3:54 PM CDTSpecial Weather StatementTSALatimer36 min
May 25, 4:04 PM CDTSpecial Weather StatementTSALeFlore26 min
May 25, 4:28 PM CDTSpecial Weather StatementTSALeFlore32 min
May 25, 4:49 PM CDTSpecial Weather StatementTSAHaskell26 min
May 25, 4:57 PM CDTSpecial Weather StatementTSALeFlore33 min
May 25, 5:14 PM CDTSpecial Weather StatementTSAMuskogee31 min
May 25, 5:17 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee, Sequoyah43 min
May 25, 5:22 PM CDTAreal Flood AdvisoryTSAHaskell, Latimer, LeFlore3 hr
May 25, 5:28 PM CDTSpecial Weather StatementTSAHaskell32 min
May 25, 5:34 PM CDTSpecial Weather StatementTSALeFlore26 min
May 25, 5:48 PM CDTSpecial Weather StatementTSASequoyah27 min
May 25, 5:57 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee, Wagoner48 min
May 25, 6:09 PM CDTSpecial Weather StatementTSASequoyah51 min
May 25, 6:18 PM CDTSevere Thunderstorm WarningTSALeFlore, Sequoyah19 min
May 25, 6:55 PM CDTSpecial Weather StatementTSAAdair, Cherokee35 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.