Alert archive / Oklahoma / Tornado Warnings in 2013

Tornado Warning 39, NWS Tulsa, OK

May 30, 20134 counties in Oklahoma

NWS Tulsa, OK issued this tornado warning at May 30, 2013, 9:05 PM CDT for 4 counties in Oklahoma. It was in force for 40 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 30, 2013, 9:05 PM CDT (02:05 UTC)
Expired: May 30, 2013, 9:45 PM CDT
In force: 40 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Cherokee County, OK, Mayes County, OK, Rogers County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 19 km from the middle of the area, began a volume at 02:07 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
May 30, 12:52 PM CDT	Tornado Watch	SPC	10 hr
May 30, 8:46 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 2.1 hours before the alert went out and 195 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: 1121 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1584 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 329 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 13.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

218 
WFUS54 KTSA 310205
TORTSA
OKC021-097-131-145-310245-
/O.NEW.KTSA.TO.W.0039.130531T0205Z-130531T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
905 PM CDT THU MAY 30 2013

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA...
  SOUTHWESTERN MAYES COUNTY IN NORTHEAST OKLAHOMA...
  SOUTHEASTERN ROGERS COUNTY IN NORTHEAST OKLAHOMA...
  NORTHERN WAGONER COUNTY IN NORTHEAST OKLAHOMA...

* UNTIL 945 PM CDT

* AT 902 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 14 MILES WEST OF WAGONER...MOVING EAST AT 25   
  MPH. THIS STORM PRODUCED A LARGE TORNADO IN EAST BROKEN ARROW
  AND MAY PRODUCE ANOTHER TORNADO AT ANY TIME.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WAGONER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!

&&

LAT...LON 3615 9523 3592 9523 3597 9569 3613 9567
TIME...MOT...LOC 0204Z 270DEG 22KT 3603 9560

$$

2 follow-up statements

263 
WWUS54 KTSA 310226
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
926 PM CDT THU MAY 30 2013

OKC021-131-310236-
/O.CAN.KTSA.TO.W.0039.000000T0000Z-130531T0245Z/
CHEROKEE OK-ROGERS OK-
926 PM CDT THU MAY 30 2013

...THE TORNADO WARNING FOR SOUTHEASTERN ROGERS AND WESTERN CHEROKEE
COUNTIES IS CANCELLED...

LAT...LON 3611 9526 3599 9524 3597 9528 3594 9527
      3598 9551 3608 9548 3607 9545 3609 9544
TIME...MOT...LOC 0226Z 270DEG 22KT 3603 9544

$$

OKC097-145-310245-
/O.CON.KTSA.TO.W.0039.000000T0000Z-130531T0245Z/
MAYES OK-WAGONER OK-
926 PM CDT THU MAY 30 2013

...TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR EASTERN
WAGONER AND SOUTHWESTERN MAYES COUNTIES...

AT 924 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 7 MILES NORTHWEST OF WAGONER...MOVING EAST AT 25 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WAGONER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS!

&&

LAT...LON 3611 9526 3599 9524 3597 9528 3594 9527
      3598 9551 3608 9548 3607 9545 3609 9544
TIME...MOT...LOC 0226Z 270DEG 22KT 3603 9544

$$

497 
WWUS54 KTSA 310243
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
943 PM CDT THU MAY 30 2013

OKC097-145-310253-
/O.EXP.KTSA.TO.W.0039.000000T0000Z-130531T0245Z/
MAYES OK-WAGONER OK-
943 PM CDT THU MAY 30 2013

...THE TORNADO WARNING FOR EASTERN WAGONER AND SOUTHWESTERN MAYES
COUNTIES EXPIRES AT 945 PM CDT...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
TORNADO WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM CDT.

LAT...LON 3611 9526 3599 9524 3597 9528 3594 9527
      3598 9551 3608 9548 3607 9545 3609 9544
TIME...MOT...LOC 0243Z 270DEG 22KT 3603 9531

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 7:05 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	55 min
May 30, 7:26 PM CDT	Tornado Warning	TSA	Cherokee, Delaware, Mayes	49 min
May 30, 7:46 PM CDT	Special Weather Statement	TSA	Rogers	44 min
May 30, 7:52 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Rogers, Tulsa, Wagoner	53 min
May 30, 8:10 PM CDT	Flash Flood Warning	TSA	Craig, Delaware, Mayes, Nowata, Rogers, Tulsa and 1 more	6 hr
May 30, 8:12 PM CDT	Tornado Warning	TSA	Cherokee, Delaware, Mayes	33 min
May 30, 8:33 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Tulsa, Wagoner	57 min
May 30, 8:37 PM CDT	Tornado Warning	TSA	Delaware, Mayes	53 min
May 30, 8:38 PM CDT	Tornado Warning	TSA	Tulsa, Wagoner	37 min
May 30, 8:52 PM CDT	River Flood Warning	TSA	Nowata	24 hr
May 30, 9:27 PM CDT	Tornado Warning	TSA	Delaware	33 min
May 30, 9:28 PM CDT	River Flood Warning	TSA	Washington	11 hr
May 30, 9:35 PM CDT	Special Weather Statement	TSA	LeFlore	40 min
May 30, 9:37 PM CDT	Tornado Warning	TSA	Adair, Delaware	53 min
May 30, 9:46 PM CDT	Special Weather Statement	TSA	Cherokee	29 min
May 30, 10:56 PM CDT	Severe Thunderstorm Warning	TSA	Adair	64 min
May 31, 12:20 AM CDT	Special Weather Statement	TSA	LeFlore	40 min
May 31, 12:40 AM CDT	Flash Flood Warning	TSA	LeFlore	5 hr
May 31, 1:49 AM CDT	Special Weather Statement	TSA	LeFlore	41 min
May 31, 5:22 AM CDT	Areal Flood Warning	TSA	LeFlore	18 hr
May 31, 11:18 AM CDT	River Flood Watch	TSA	Osage	23 hr
May 31, 11:18 AM CDT	River Flood Watch	TSA	Washington	23 hr
May 31, 11:18 AM CDT	River Flood Watch	TSA	Ottawa	4 hr
May 31, 1:48 PM CDT	River Flood Warning	TSA	Ottawa	54 hr
May 31, 2:16 PM CDT	River Flood Advisory	TSA	Cherokee	71 hr
May 31, 2:16 PM CDT	River Flood Advisory	TSA	Cherokee, Delaware	29 hr
May 31, 3:35 PM CDT	Special Weather Statement	TSA	Washington	25 min
May 31, 4:52 PM CDT	Special Weather Statement	TSA	Osage	38 min
May 31, 5:00 PM CDT	Severe Thunderstorm Warning	TSA	Osage	45 min
May 31, 5:29 PM CDT	Tornado Warning	TSA	Osage	46 min
May 31, 5:31 PM CDT	Severe Thunderstorm Warning	TSA	Osage	29 min
May 31, 5:42 PM CDT	Tornado Warning	TSA	Osage	33 min
May 31, 5:43 PM CDT	Tornado Warning	TSA	Osage	32 min
May 31, 6:10 PM CDT	Tornado Warning	TSA	Osage, Washington	50 min
May 31, 6:14 PM CDT	Tornado Warning	TSA	Osage	31 min
May 31, 6:33 PM CDT	Tornado Warning	TSA	Nowata, Washington	42 min
May 31, 6:42 PM CDT	Tornado Warning	TSA	Osage	48 min

Nearby

Tornado Warnings in Oklahoma, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.