Alert archive / Oklahoma / Tornado Warnings in 2020

Tornado Warning 22, NWS Tulsa, OK

April 28, 2020Mayes County, Rogers County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 28, 2020, 6:02 PM CDT for Mayes County, Rogers County, Oklahoma. It was in force for 28 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: Apr 28, 2020, 6:02 PM CDT (23:02 UTC)
Expired: Apr 28, 2020, 6:30 PM CDT
In force: 28 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Mayes County, OK, Rogers County, OK

The radar

The Tulsa radar (KINX), 17 km from the middle of the area, began a volume at 23:03 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.

Issued	Product	Office	Lasted
Apr 28, 3:18 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.0 hours before the alert went out and 170 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 55 J/kg
Mixed-layer CIN: -231 J/kg
Mixed-layer LCL: 1021 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 369 m²/s²
0-3 km storm-relative helicity: 342 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

As transmitted.

938 
WFUS54 KTSA 282302
TORTSA
OKC097-131-282330-
/O.NEW.KTSA.TO.W.0022.200428T2302Z-200428T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
602 PM CDT Tue Apr 28 2020

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Central Rogers County in northeastern Oklahoma...
  Southwestern Mayes County in northeastern Oklahoma...

* Until 630 PM CDT.
    
* At 602 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 4 miles southeast of Oologah, moving southeast 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...
  Claremore...                      Pryor...
  Pryor Creek...                    Chouteau...
  Taiwah...                         Tiawah...

This includes Interstate 44 between mile markers 247 and 260.
 
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 3635 9578 3648 9567 3631 9525 3614 9536
TIME...MOT...LOC 2302Z 299DEG 38KT 3639 9567 

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

$$

1 follow-up statement

889 
WWUS54 KTSA 282311
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
611 PM CDT Tue Apr 28 2020

OKC097-131-282330-
/O.CON.KTSA.TO.W.0022.000000T0000Z-200428T2330Z/
Rogers OK-Mayes OK-
611 PM CDT Tue Apr 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR CENTRAL
ROGERS AND SOUTHWESTERN MAYES COUNTIES...
    
At 611 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles northeast of Claremore, moving southeast 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...
Claremore...                      Pryor...
Pryor Creek...                    Chouteau...
Taiwah...                         Tiawah...

This includes Interstate 44 between mile markers 248 and 259.
 
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 3632 9566 3642 9556 3631 9525 3614 9536
TIME...MOT...LOC 2311Z 299DEG 38KT 3634 9557 

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

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 2:10 PM CDT	River Flood Warning	TSA	LeFlore	18 hr
Apr 28, 2:27 PM CDT	River Flood Advisory	TSA	Cherokee	18 hr
Apr 28, 3:56 PM CDT	Special Weather Statement	TSA	Osage	19 min
Apr 28, 4:07 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	53 min
Apr 28, 4:31 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	59 min
Apr 28, 4:39 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	51 min
Apr 28, 4:54 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Washington	66 min
Apr 28, 4:57 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	63 min
Apr 28, 5:04 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	41 min
Apr 28, 5:07 PM CDT	Tornado Warning	TSA	Nowata	38 min
Apr 28, 5:19 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata, Ottawa, Rogers, Washington	56 min
Apr 28, 5:23 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	52 min
Apr 28, 5:36 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Rogers, Tulsa, Washington	39 min
Apr 28, 5:44 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa, Rogers	61 min
Apr 28, 5:45 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	30 min
Apr 28, 5:51 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	39 min
Apr 28, 5:53 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Rogers, Tulsa, Washington	52 min
Apr 28, 6:01 PM CDT	Tornado Warning	TSA	Osage, Tulsa	29 min
Apr 28, 6:10 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Rogers, Tulsa, Washington	50 min
Apr 28, 6:15 PM CDT	Special Weather Statement	TSA	Okmulgee	30 min
Apr 28, 6:16 PM CDT	Tornado Warning	TSA	Creek, Tulsa	29 min
Apr 28, 6:18 PM CDT	Tornado Warning	TSA	Delaware, Mayes, Rogers	42 min
Apr 28, 6:23 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Mayes, Okmulgee, Rogers, Tulsa, Wagoner	52 min
Apr 28, 6:31 PM CDT	Tornado Warning	TSA	Mayes	29 min
Apr 28, 6:33 PM CDT	Areal Flood Advisory	TSA	Creek, Mayes, Osage, Rogers, Tulsa, Wagoner	117 min
Apr 28, 6:37 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Craig, Delaware, Mayes, Ottawa, Rogers and 1 more	53 min
Apr 28, 6:42 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Creek, Mayes, Muskogee, Okfuskee, Okmulgee and 3 more	63 min
Apr 28, 6:56 PM CDT	Flash Flood Warning	TSA	Tulsa	3 hr

Nearby

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