Alert archive / Oklahoma / Tornado Warnings in 2021

Tornado Warning 5, NWS Tulsa, OK

January 30, 2021Craig County, Delaware County, Ottawa County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Jan 30, 2021, 3:24 PM CST for Craig County, Delaware County, Ottawa 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
Jan 30, 2021, 3:24 PM CST (21:24 UTC)
Expired
Jan 30, 2021, 4:15 PM CST
In force
51 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Craig County, OK, Delaware County, OK, Ottawa County, OK

The radar

The Tulsa radar (KINX), 82 km from the middle of the area, began a volume at 21:24 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

Springfield, MO (KSGF), launched 12:00Z, 9.4 hours before the alert went out and 99 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 2021-01-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-01-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 481 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
827 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
481 m²/s²
0-3 km storm-relative helicity
593 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

845 
WFUS54 KTSA 302124
TORTSA
OKC035-041-115-302215-
/O.NEW.KTSA.TO.W.0005.210130T2124Z-210130T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
324 PM CST Sat Jan 30 2021

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southeastern Craig County in northeastern Oklahoma...
  Northern Delaware County in northeastern Oklahoma...
  Southern Ottawa County in northeastern Oklahoma...

* Until 415 PM CST.
    
* At 324 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Vinita, moving east 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...
  Vinita...                         Grove...
  Fairland...                       Afton...
  Bernice...                        Cleora...
  Honey Creek State Park...         Bernice State Park...

This includes Interstate 44 between mile markers 278 and 301.
 
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 3656 9462 3657 9522 3677 9523 3678 9462
TIME...MOT...LOC 2124Z 266DEG 25KT 3663 9517 

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

$$
2 follow-up statements
009 
WWUS54 KTSA 302145
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
345 PM CST Sat Jan 30 2021

OKC035-302155-
/O.CAN.KTSA.TO.W.0005.000000T0000Z-210130T2215Z/
Craig OK-
345 PM CST Sat Jan 30 2021

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

LAT...LON 3657 9500 3675 9500 3678 9488 3678 9462
      3658 9462
TIME...MOT...LOC 2145Z 261DEG 28KT 3667 9493 

$$

OKC041-115-302215-
/O.CON.KTSA.TO.W.0005.000000T0000Z-210130T2215Z/
Delaware OK-Ottawa OK-
345 PM CST Sat Jan 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR NORTHERN
DELAWARE AND SOUTHERN OTTAWA COUNTIES...
    
At 345 PM CST, a severe thunderstorm capable of producing a tornado
was located near Afton, moving east 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...
Grove...                          Fairland...
Afton...                          Bernice...
Cleora...                         Bernice State Park...
Honey Creek State Park...         

This includes Interstate 44 between mile markers 294 and 301.
 
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 3657 9500 3675 9500 3678 9488 3678 9462
      3658 9462
TIME...MOT...LOC 2145Z 261DEG 28KT 3667 9493 

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

$$
693 
WWUS54 KTSA 302215
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
415 PM CST Sat Jan 30 2021

OKC041-115-302225-
/O.EXP.KTSA.TO.W.0005.000000T0000Z-210130T2215Z/
Delaware OK-Ottawa OK-
415 PM CST Sat Jan 30 2021

...THE TORNADO WARNING FOR NORTHERN DELAWARE AND SOUTHERN OTTAWA
COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been allowed to expire.

LAT...LON 3657 9500 3675 9500 3678 9488 3678 9462
      3658 9462
TIME...MOT...LOC 2215Z 266DEG 25KT 3668 9468 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 30, 3:16 AM CSTWind AdvisoryTSAChoctaw, Haskell, Latimer, McIntosh, Muskogee, Okfuskee and 3 more14 hr
Jan 30, 1:45 PM CSTTornado WarningTSANowata45 min
Jan 30, 2:29 PM CSTTornado WarningTSACraig, Nowata31 min
Jan 30, 2:51 PM CSTTornado WarningTSACraig, Nowata, Ottawa39 min
Jan 30, 3:22 PM CSTTornado WarningTSACraig, Ottawa38 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.