Alert archive / Oklahoma / Tornado Warnings in 2020

Tornado Warning 31, NWS Tulsa, OK

April 28, 2020Pittsburg County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 28, 2020, 9:16 PM CDT for Pittsburg County, Pushmataha County, Oklahoma. It was in force for 24 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 28, 2020, 9:16 PM CDT (02:16 UTC)
Expired
Apr 28, 2020, 9:40 PM CDT
In force
24 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

Counties Pittsburg County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 120 km from the middle of the area, began a volume at 02:17 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.

What was reported inside it

TimeReportWhereRemark
Apr 28, 9:25 PM CDTTSTM WND DMGTuskahoma, OKLARGE TREES DOWN NEAR THE CHOCTAW NATION COUNCIL HOUSE. INFORMATION RELAYED BY BROADCAST MEDIA. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 28, 3:18 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.3 hours before the alert went out and 196 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, Norman, OK at 00:00Z on 2020-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4384 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2020-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
4384 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1364 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
1.3
Supercell composite
11.7

Open this sounding in Storm Lab

The text

As transmitted.

713 
WFUS54 KTSA 290216
TORTSA
OKC121-127-290300-
/O.NEW.KTSA.TO.W.0031.200429T0216Z-200429T0300Z/

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

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  North central Pushmataha County in southeastern Oklahoma...
  South central Pittsburg County in southeastern Oklahoma...

* Until 1000 PM CDT.
    
* At 916 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles northwest of Stanley, moving east at 40 mph.

  HAZARD...Tornado and hail up to two inches in diameter.

  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...
  Clayton...                        Clayton Lake State Park...
  Stanley...                        Nashoba...
  Kiamichi...                       Tuskahoma...
  Sardis...                         

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.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tulsa.

&&

LAT...LON 3441 9519 3461 9566 3474 9561 3472 9551
      3468 9551 3468 9532 3464 9511
TIME...MOT...LOC 0216Z 291DEG 35KT 3466 9555 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$
3 follow-up statements
029 
WWUS54 KTSA 290227
SVSTSA

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

OKC121-290237-
/O.CAN.KTSA.TO.W.0031.000000T0000Z-200429T0300Z/
Pittsburg OK-
927 PM CDT Tue Apr 28 2020

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

A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Oklahoma.

LAT...LON 3441 9519 3457 9555 3468 9541 3468 9532
      3464 9511
TIME...MOT...LOC 0227Z 300DEG 36KT 3458 9544 

$$

OKC127-290300-
/O.CON.KTSA.TO.W.0031.000000T0000Z-200429T0300Z/
Pushmataha OK-
927 PM CDT Tue Apr 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTH
CENTRAL PUSHMATAHA COUNTY...
    
At 927 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles northeast of Stanley, moving southeast at 40 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...
Clayton...                        Clayton Lake State Park...
Stanley...                        Nashoba...
Kiamichi...                       Tuskahoma...
Sardis...                         

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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3441 9519 3457 9555 3468 9541 3468 9532
      3464 9511
TIME...MOT...LOC 0227Z 300DEG 36KT 3458 9544 

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

$$
169 
WWUS54 KTSA 290231
SVSTSA

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

OKC127-290300-
/O.CON.KTSA.TO.W.0031.000000T0000Z-200429T0300Z/
Pushmataha OK-
931 PM CDT Tue Apr 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTH
CENTRAL PUSHMATAHA COUNTY...
    
At 931 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles southwest of Kiamichi, moving southeast at 45
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...
Clayton...                        Kiamichi...
Tuskahoma...                      

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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3450 9516 3457 9533 3463 9537 3468 9532
      3464 9511
TIME...MOT...LOC 0231Z 312DEG 38KT 3459 9521 

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

$$
083 
WWUS54 KTSA 290240
SVSTSA

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

OKC127-290250-
/O.CAN.KTSA.TO.W.0031.000000T0000Z-200429T0300Z/
Pushmataha OK-
940 PM CDT Tue Apr 28 2020

...THE TORNADO WARNING FOR NORTH CENTRAL PUSHMATAHA COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Oklahoma.

LAT...LON 3450 9516 3457 9533 3463 9537 3468 9532
      3464 9511
TIME...MOT...LOC 0239Z 291DEG 35KT 3456 9511 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 7:02 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Delaware, Mayes, Wagoner58 min
Apr 28, 7:08 PM CDTTornado WarningTSADelaware37 min
Apr 28, 7:13 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, McIntosh, Muskogee, Okfuskee, Okmulgee and 2 more62 min
Apr 28, 7:37 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Delaware53 min
Apr 28, 7:38 PM CDTSpecial Weather StatementTSALatimer, Pittsburg37 min
Apr 28, 7:47 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, Pittsburg, Pushmataha43 min
Apr 28, 7:57 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Haskell, LeFlore, Muskogee, Sequoyah63 min
Apr 28, 8:02 PM CDTSevere Thunderstorm WarningTSAHaskell, McIntosh, Muskogee, Okfuskee, Okmulgee, Pittsburg43 min
Apr 28, 8:18 PM CDTSevere Thunderstorm WarningTSAHaskell, LeFlore, Sequoyah57 min
Apr 28, 8:23 PM CDTTornado WarningTSAPittsburg, Pushmataha67 min
Apr 28, 8:25 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, LeFlore50 min
Apr 28, 8:34 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, McIntosh, Muskogee, Pittsburg41 min
Apr 28, 8:38 PM CDTSevere Thunderstorm WarningTSAPittsburg37 min
Apr 28, 9:04 PM CDTTornado WarningTSAPittsburg22 min
Apr 28, 9:06 PM CDTTornado WarningTSALeFlore26 min
Apr 28, 9:07 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, LeFlore, Pittsburg, Pushmataha38 min
Apr 28, 9:21 PM CDTTornado WarningTSAPushmataha39 min
Apr 28, 9:29 PM CDTSevere Thunderstorm WarningTSAChoctaw, Latimer, LeFlore, Pittsburg, Pushmataha61 min
Apr 28, 9:47 PM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha43 min
Apr 28, 10:27 PM CDTSevere Thunderstorm WarningTSAChoctaw21 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.