Alert archive / Oklahoma / Tornado Warnings in 2016

Tornado Warning 13, NWS Tulsa, OK

March 30, 2016Delaware County, Mayes County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Mar 30, 2016, 8:56 PM CDT for Delaware County, Mayes County, Oklahoma. It was in force for 34 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: Mar 30, 2016, 8:56 PM CDT (01:56 UTC)
Expired: Mar 30, 2016, 9:30 PM CDT
In force: 34 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Delaware County, OK, Mayes County, OK

The radar

The Tulsa radar (KINX), 58 km from the middle of the area, began a volume at 02:00 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
Mar 30, 1:50 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Mar 30, 7:44 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.9 hours before the alert went out and 119 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 839 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 319 m²/s²
0-3 km storm-relative helicity: 350 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

089 
WFUS54 KTSA 310156
TORTSA
OKC041-097-310230-
/O.NEW.KTSA.TO.W.0013.160331T0156Z-160331T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
856 PM CDT WED MAR 30 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MAYES COUNTY IN NORTHEASTERN OKLAHOMA...
  WEST CENTRAL DELAWARE COUNTY IN NORTHEASTERN OKLAHOMA...

* UNTIL 930 PM CDT
    
* AT 855 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED NEAR PENSACOLA...MOVING EAST AT 30 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...
  LANGLEY...                        SPAVINAW...
  DISNEY...                         PENSACOLA...
  CHLOETA...                        CHEROKEE STATE PARK...
  SPAVINAW STATE PARK...            STRANG...

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 3653 9488 3637 9488 3638 9521 3648 9522
TIME...MOT...LOC 0155Z 258DEG 28KT 3642 9516 

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

$$

69

2 follow-up statements

569 
WWUS54 KTSA 310212
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
912 PM CDT WED MAR 30 2016

OKC041-097-310230-
/O.CON.KTSA.TO.W.0013.000000T0000Z-160331T0230Z/
MAYES OK-DELAWARE OK-
912 PM CDT WED MAR 30 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
NORTHEASTERN MAYES AND WEST CENTRAL DELAWARE COUNTIES...
    
AT 911 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER LANGLEY...MOVING EAST AT 30 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...
LANGLEY...                        DISNEY...
CHLOETA...                        CHEROKEE STATE PARK...

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 3653 9488 3641 9488 3641 9508 3649 9509
TIME...MOT...LOC 0211Z 257DEG 27KT 3644 9504 

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

$$

69

722 
WWUS54 KTSA 310223
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
923 PM CDT WED MAR 30 2016

OKC041-097-310233-
/O.EXP.KTSA.TO.W.0013.000000T0000Z-160331T0230Z/
MAYES OK-DELAWARE OK-
923 PM CDT WED MAR 30 2016

...THE TORNADO WARNING FOR NORTHEASTERN MAYES AND WEST CENTRAL
DELAWARE COUNTIES WILL EXPIRE AT 930 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
NORTHEASTERN OKLAHOMA.

LAT...LON 3653 9488 3641 9488 3641 9508 3649 9509
TIME...MOT...LOC 0221Z 258DEG 28KT 3644 9504 

$$

69

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 7:00 PM CDT	Special Weather Statement	TSA	Creek	30 min
Mar 30, 7:05 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	40 min
Mar 30, 7:16 PM CDT	Tornado Warning	TSA	Nowata, Washington	29 min
Mar 30, 7:29 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	TSA	Rogers, Tulsa	46 min
Mar 30, 7:35 PM CDT	Severe Thunderstorm Warning	TSA	Osage	25 min
Mar 30, 7:42 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	33 min
Mar 30, 7:51 PM CDT	Tornado Warning	TSA	Craig, Nowata	24 min
Mar 30, 8:08 PM CDT	Tornado Warning Tornado observed	TSA	Mayes, Rogers	52 min
Mar 30, 8:13 PM CDT	Tornado Warning	TSA	Craig	12 min
Mar 30, 8:20 PM CDT	Severe Thunderstorm Warning	TSA	Nowata	25 min
Mar 30, 8:31 PM CDT	Special Weather Statement	TSA	Craig	29 min
Mar 30, 8:41 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	34 min
Mar 30, 9:13 PM CDT	Special Weather Statement	TSA	Craig, Nowata	32 min
Mar 30, 9:26 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	34 min
Mar 30, 9:57 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Ottawa	33 min
Mar 30, 10:10 PM CDT	Severe Thunderstorm Warning	TSA	Ottawa	25 min
Mar 30, 10:37 PM CDT	Special Weather Statement	TSA	Ottawa	38 min
Mar 30, 10:45 PM CDT	Special Weather Statement	TSA	Ottawa	45 min
Mar 31, 1:52 AM CDT	Special Weather Statement	TSA	Delaware	38 min
Mar 31, 6:33 AM CDT	Special Weather Statement	TSA	LeFlore	42 min

Nearby

Tornado Warnings in Oklahoma, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.