Alert archive / Oklahoma / Tornado Warnings in 2020

Tornado Warning 48, NWS Tulsa, OK

September 1, 2020Pittsburg County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Sep 1, 2020, 1:14 AM CDT for Pittsburg County, Oklahoma. It was in force for 32 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: Sep 1, 2020, 1:14 AM CDT (06:14 UTC)
Expired: Sep 1, 2020, 1:46 AM CDT
In force: 32 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Pittsburg County, OK

The radar

The Norman radar (KTLX), 121 km from the middle of the area, began a volume at 06:18 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

Time	Report	Where	Remark
Sep 1, 1:16 AM CDT	TSTM WND GST 60	2 Nw Haywood, OK	BROADCAST MEDIA CHASER REPORTS WINDS ESTIMATED TO BE 50 TO 60 MILES PER HOUR.

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

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 6.2 hours before the alert went out and 269 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: 1092 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 2152 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.1

Open this sounding in Storm Lab

The text

As transmitted.

120 
WFUS54 KTSA 010614
TORTSA
OKC121-010700-
/O.NEW.KTSA.TO.W.0048.200901T0614Z-200901T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
114 AM CDT Tue Sep 1 2020

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  West central Pittsburg County in southeastern Oklahoma...

* Until 200 AM CDT.
    
* At 114 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 3 miles northeast of Stuart, moving east at 15 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...
  Mcalester...                      Haywood...
  Scipio...                         Arpelar...

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 3505 9609 3506 9607 3508 9606 3513 9589
      3487 9579 3481 9609
TIME...MOT...LOC 0614Z 249DEG 15KT 3493 9604 

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

$$

2 follow-up statements

662 
WWUS54 KTSA 010627
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
127 AM CDT Tue Sep 1 2020

OKC121-010700-
/O.CON.KTSA.TO.W.0048.000000T0000Z-200901T0700Z/
Pittsburg OK-
127 AM CDT Tue Sep 1 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR WEST
CENTRAL PITTSBURG COUNTY...
    
At 127 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Haywood, moving east 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...
Mcalester...                      Haywood...
Arpelar...                        

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 3498 9609 3508 9587 3487 9579 3481 9609
TIME...MOT...LOC 0627Z 263DEG 15KT 3492 9597 

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

$$

515 
WWUS54 KTSA 010646
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
146 AM CDT Tue Sep 1 2020

OKC121-010656-
/O.CAN.KTSA.TO.W.0048.000000T0000Z-200901T0700Z/
Pittsburg OK-
146 AM CDT Tue Sep 1 2020

...THE TORNADO WARNING FOR WEST CENTRAL PITTSBURG 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.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 3498 9609 3508 9587 3487 9579 3481 9609
TIME...MOT...LOC 0643Z 249DEG 15KT 3495 9588 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 31, 7:02 PM CDT	Special Weather Statement	TSA	Osage	28 min
Aug 31, 7:18 PM CDT	Special Weather Statement	TSA	Washington	27 min
Aug 31, 7:46 PM CDT	Special Weather Statement	TSA	Osage	29 min
Aug 31, 7:54 PM CDT	Areal Flood Advisory	TSA	Osage	3 hr
Sep 1, 12:29 AM CDT	Areal Flood Advisory	TSA	Haskell, Latimer, McIntosh, Muskogee, Okfuskee, Okmulgee and 1 more	4 hr
Sep 1, 12:34 AM CDT	Areal Flood Advisory	TSA	Osage, Pawnee, Rogers, Tulsa	3 hr
Sep 1, 12:44 AM CDT	Areal Flood Advisory	TSA	Haskell, Latimer, LeFlore	4 hr
Sep 1, 12:49 AM CDT	Tornado Warning	TSA	Pittsburg	26 min
Sep 1, 12:59 AM CDT	Flash Flood Warning Emergency	TSA	Haskell, Latimer, LeFlore	10 hr
Sep 1, 1:07 AM CDT	Flash Flood Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Okfuskee, Okmulgee and 1 more	7 hr
Sep 1, 1:34 AM CDT	Special Weather Statement	TSA	LeFlore	56 min
Sep 1, 1:50 AM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	40 min
Sep 1, 2:04 AM CDT	River Flood Warning	TSA	LeFlore	38 hr
Sep 1, 2:14 AM CDT	Flash Flood Warning	TSA	Haskell, LeFlore, Muskogee, Sequoyah	5 hr
Sep 1, 2:19 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	41 min
Sep 1, 3:28 AM CDT	Flash Flood Warning	TSA	Adair, Cherokee	3 hr
Sep 1, 3:45 AM CDT	Flash Flood Warning	TSA	Latimer, LeFlore, Pittsburg, Pushmataha	7 hr
Sep 1, 6:00 AM CDT	Areal Flood Warning	TSA	Adair	5 hr
Sep 1, 6:54 AM CDT	Areal Flood Warning	TSA	Haskell, LeFlore, Muskogee, Sequoyah	5 hr
Sep 1, 8:35 AM CDT	Areal Flood Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Okfuskee, Okmulgee and 1 more	3 hr
Sep 1, 9:26 AM CDT	Special Weather Statement	TSA	Choctaw	64 min
Sep 1, 10:37 AM CDT	Areal Flood Warning	TSA	Latimer, LeFlore, Pittsburg, Pushmataha	18 hr
Sep 1, 10:39 AM CDT	Special Weather Statement	TSA	Choctaw	51 min
Sep 1, 10:40 AM CDT	Flash Flood Warning	TSA	Choctaw, Pushmataha	6 hr
Sep 1, 10:45 AM CDT	Areal Flood Warning	TSA	Haskell, Latimer, LeFlore	18 hr
Sep 1, 11:47 AM CDT	Areal Flood Warning	TSA	Haskell, Latimer, LeFlore, McIntosh, Pittsburg, Sequoyah	3 hr
Sep 1, 5:06 PM CDT	Areal Flood Warning	TSA	Choctaw, Pushmataha	3 hr
Sep 1, 5:39 PM CDT	River Flood Warning	TSA	Pushmataha	21 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.