Alert archive / Oklahoma / Tornado Warnings in 2013

Tornado Warning 35, NWS Tulsa, OK

May 30, 2013Cherokee County, Delaware County, Mayes County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 30, 2013, 7:26 PM CDT for Cherokee County, Delaware County, Mayes County, Oklahoma. It was in force for 49 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, 7:26 PM CDT (00:26 UTC)
Expired
May 30, 2013, 8:15 PM CDT
In force
49 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties Cherokee County, OK, Delaware County, OK, Mayes County, OK

The radar

The Tulsa radar (KINX), 46 km from the middle of the area, began a volume at 00:29 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.

IssuedProductOfficeLasted
May 30, 12:52 PM CDTTornado WatchSPC10 hr
May 30, 1:21 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 0.4 hours before the alert went out and 223 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, Lamont, OK at 00:00Z on 2013-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1121 joules per kilogram.LCLLFCEL10008507005003002001001 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, Lamont, OK at 00:00Z on 2013-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 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
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.

476 
WFUS54 KTSA 310026
TORTSA
OKC021-041-097-310115-
/O.NEW.KTSA.TO.W.0035.130531T0026Z-130531T0115Z/

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA...
  SOUTHWESTERN DELAWARE COUNTY IN NORTHEAST OKLAHOMA...
  SOUTHERN MAYES COUNTY IN NORTHEAST OKLAHOMA...

* UNTIL 815 PM CDT

* AT 724 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES SOUTHWEST OF LOCUST GROVE...MOVING EAST
  AT 30 MPH. THIS STORM HAS PRODUCED SEVERAL BRIEF TORNADOES 
  AND COULD PRODUCE ANOTHER TORNADO AT ANY TIME.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...LOCUST
  GROVE...PEGGS...ROSE...LEACH...OAKS AND TWIN OAKS.

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 3633 9487 3613 9479 3613 9480 3606 9521
      3607 9521 3608 9531 3623 9533
TIME...MOT...LOC 0025Z 255DEG 25KT 3614 9520

$$
4 follow-up statements
974 
WWUS54 KTSA 310030
SVSTSA

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

OKC021-041-097-310115-
/O.CON.KTSA.TO.W.0035.000000T0000Z-130531T0115Z/
CHEROKEE OK-DELAWARE OK-MAYES OK-
730 PM CDT THU MAY 30 2013

...TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR SOUTHERN
MAYES...SOUTHWESTERN DELAWARE AND NORTHERN CHEROKEE COUNTIES...

AT 729 PM CDT...A TORNADO WAS LIKELY NEAR MURPHY...MOVING EAST AT 30 
MPH. THIS IS A LIFE THREATENING SITUATION. 

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...LOCUST
GROVE...PEGGS...ROSE...LEACH...OAKS AND TWIN OAKS.

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 3614 9479 3613 9480 3606 9521 3607 9521
      3608 9531 3623 9533 3633 9487
TIME...MOT...LOC 0030Z 255DEG 25KT 3613 9520

$$
130 
WWUS54 KTSA 310035
SVSTSA

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

OKC021-041-097-310115-
/O.CON.KTSA.TO.W.0035.000000T0000Z-130531T0115Z/
CHEROKEE OK-DELAWARE OK-MAYES OK-
735 PM CDT THU MAY 30 2013

...TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
SOUTHEASTERN MAYES...SOUTHWESTERN DELAWARE AND NORTHEASTERN CHEROKEE
COUNTIES...

AT 732 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED NEAR MURPHY...MOVING EAST AT 30 MPH. THIS STORM HAS
PRODUCED SEVERAL BRIEF TORNADOES AND MAY PRODUCE ANOTHER TORNADO AT 
ANY TIME.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...LOCUST
GROVE...ROSE...LEACH...OAKS AND TWIN OAKS.

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 9479 3613 9480 3610 9498 3609 9520
      3613 9525 3624 9525 3633 9487
TIME...MOT...LOC 0035Z 255DEG 25KT 3614 9516

$$
740 
WWUS54 KTSA 310051
SVSTSA

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

OKC021-041-097-310115-
/O.CON.KTSA.TO.W.0035.000000T0000Z-130531T0115Z/
CHEROKEE OK-DELAWARE OK-MAYES OK-
751 PM CDT THU MAY 30 2013

...TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
SOUTHEASTERN MAYES...SOUTHWESTERN DELAWARE AND NORTHEASTERN CHEROKEE
COUNTIES...

AT 747 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED NEAR LOCUST GROVE...MOVING EAST AT 30 MPH. 

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ROSE...
LEACH...OAKS AND TWIN OAKS.

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 3616 9479 3613 9480 3610 9498 3610 9514
      3615 9516 3624 9518 3633 9487
TIME...MOT...LOC 0051Z 255DEG 25KT 3618 9506

$$
802 
WWUS54 KTSA 310101
SVSTSA

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

OKC021-041-097-310115-
/O.CON.KTSA.TO.W.0035.000000T0000Z-130531T0115Z/
CHEROKEE OK-DELAWARE OK-MAYES OK-
801 PM CDT THU MAY 30 2013

...TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR EASTERN
MAYES...SOUTHWESTERN DELAWARE AND NORTHEASTERN CHEROKEE COUNTIES...

AT 755 PM CDT...A SEVERE THUNDERSTORM WITH STRONG LOW LEVEL ROTATION
WAS LOCATED NEAR ROSE...MOVING EAST AT 30 MPH. A TORNADO IS OCCURRING
OR IMMINENT.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...LEACH...
TWIN OAKS AND OAKS.

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 3618 9480 3616 9479 3616 9480 3613 9480
      3613 9512 3625 9513 3633 9487
TIME...MOT...LOC 0101Z 255DEG 25KT 3620 9503

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:05 PM CDTSevere Thunderstorm WarningTSACreek, Osage, Pawnee, Tulsa55 min
May 30, 7:46 PM CDTSpecial Weather StatementTSARogers44 min
May 30, 7:52 PM CDTSevere Thunderstorm WarningTSACreek, Osage, Rogers, Tulsa, Wagoner53 min
May 30, 8:10 PM CDTFlash Flood WarningTSACraig, Delaware, Mayes, Nowata, Rogers, Tulsa and 1 more6 hr
May 30, 8:12 PM CDTTornado WarningTSACherokee, Delaware, Mayes33 min
May 30, 8:33 PM CDTSevere Thunderstorm WarningTSAMayes, Rogers, Tulsa, Wagoner57 min
May 30, 8:37 PM CDTTornado WarningTSADelaware, Mayes53 min
May 30, 8:38 PM CDTTornado WarningTSATulsa, Wagoner37 min
May 30, 8:52 PM CDTRiver Flood WarningTSANowata24 hr
May 30, 9:05 PM CDTTornado WarningTSACherokee, Mayes, Rogers, Wagoner40 min
May 30, 9:27 PM CDTTornado WarningTSADelaware33 min
May 30, 9:28 PM CDTRiver Flood WarningTSAWashington11 hr
May 30, 9:35 PM CDTSpecial Weather StatementTSALeFlore40 min
May 30, 9:37 PM CDTTornado WarningTSAAdair, Delaware53 min
May 30, 9:46 PM CDTSpecial Weather StatementTSACherokee29 min
May 30, 10:56 PM CDTSevere Thunderstorm WarningTSAAdair64 min
May 31, 12:20 AM CDTSpecial Weather StatementTSALeFlore40 min
May 31, 12:40 AM CDTFlash Flood WarningTSALeFlore5 hr
May 31, 1:49 AM CDTSpecial Weather StatementTSALeFlore41 min
May 31, 5:22 AM CDTAreal Flood WarningTSALeFlore18 hr
May 31, 11:18 AM CDTRiver Flood WatchTSAOsage23 hr
May 31, 11:18 AM CDTRiver Flood WatchTSAWashington23 hr
May 31, 11:18 AM CDTRiver Flood WatchTSAOttawa4 hr
May 31, 1:48 PM CDTRiver Flood WarningTSAOttawa54 hr
May 31, 2:16 PM CDTRiver Flood AdvisoryTSACherokee71 hr
May 31, 2:16 PM CDTRiver Flood AdvisoryTSACherokee, Delaware29 hr
May 31, 3:35 PM CDTSpecial Weather StatementTSAWashington25 min
May 31, 4:52 PM CDTSpecial Weather StatementTSAOsage38 min
May 31, 5:00 PM CDTSevere Thunderstorm WarningTSAOsage45 min
May 31, 5:29 PM CDTTornado WarningTSAOsage46 min
May 31, 5:31 PM CDTSevere Thunderstorm WarningTSAOsage29 min
May 31, 5:42 PM CDTTornado WarningTSAOsage33 min
May 31, 5:43 PM CDTTornado WarningTSAOsage32 min
May 31, 6:10 PM CDTTornado WarningTSAOsage, Washington50 min
May 31, 6:14 PM CDTTornado WarningTSAOsage31 min
May 31, 6:33 PM CDTTornado WarningTSANowata, Washington42 min
May 31, 6:42 PM CDTTornado WarningTSAOsage48 min

Nearby

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