Alert archive / Oklahoma / Tornado Warnings in 2016

Tornado Warning 32, NWS Tulsa, OK

May 9, 2016Pawnee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 9, 2016, 6:45 PM CDT for Pawnee County, Oklahoma. It was in force for 19 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
May 9, 2016, 6:45 PM CDT (23:45 UTC)
Expired
May 9, 2016, 7:04 PM CDT
In force
19 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

County Pawnee County, OK

The radar

The Tulsa radar (KINX), 96 km from the middle of the area, began a volume at 23:48 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
May 9, 6:46 PM CDTHAIL 1.75Pawnee, OKNICKEL TO GOLF BALL SIZE HAIL. TIME IS RADAR ESTIMATED.

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
May 9, 2:07 PM CDTSevere Thunderstorm WatchSPC10 hr
May 9, 2:36 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.8 hours before the alert went out and 145 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 12:00Z on 2016-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 686 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, Norman, OK at 12:00Z on 2016-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.1939587897117Sfc1 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
686 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
620 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
336 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.0

Open this sounding in Storm Lab

The text

As transmitted.

280 
WFUS54 KTSA 092345
TORTSA
OKC117-100015-
/O.NEW.KTSA.TO.W.0032.160509T2345Z-160510T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
645 PM CDT MON MAY 9 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL PAWNEE COUNTY IN NORTHEASTERN OKLAHOMA...

* UNTIL 715 PM CDT
    
* AT 645 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED OVER PAWNEE...MOVING EAST AT 35 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...
  PAWNEE...                         BLACKBURN...
  SKEDEE...                         

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 3643 9670 3642 9668 3643 9664 3640 9661
      3638 9660 3637 9657 3639 9656 3636 9653
      3633 9657 3632 9657 3631 9656 3631 9650
      3632 9649 3630 9647 3628 9684 3637 9686
TIME...MOT...LOC 2345Z 250DEG 29KT 3632 9679 

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

$$
2 follow-up statements
478 
WWUS54 KTSA 092355
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
655 PM CDT MON MAY 9 2016

OKC117-100015-
/O.CON.KTSA.TO.W.0032.000000T0000Z-160510T0015Z/
PAWNEE OK-
655 PM CDT MON MAY 9 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR CENTRAL
PAWNEE COUNTY...
    
AT 654 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR SKEDEE...MOVING EAST AT 35 MPH.

HAZARD...TORNADO AND QUARTER 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...
BLACKBURN...                      SKEDEE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3643 9670 3642 9668 3643 9664 3640 9661
      3638 9660 3637 9657 3639 9656 3636 9653
      3633 9657 3632 9657 3631 9656 3631 9650
      3632 9649 3630 9647 3630 9675 3640 9677
TIME...MOT...LOC 2354Z 250DEG 29KT 3635 9670 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
847 
WWUS54 KTSA 100004
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
704 PM CDT MON MAY 9 2016

OKC117-100014-
/O.CAN.KTSA.TO.W.0032.000000T0000Z-160510T0015Z/
PAWNEE OK-
704 PM CDT MON MAY 9 2016

...THE TORNADO WARNING FOR CENTRAL PAWNEE 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 900 PM CDT FOR NORTHEASTERN
OKLAHOMA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
TULSA.


LAT...LON 3643 9670 3642 9668 3643 9664 3640 9661
      3638 9660 3637 9657 3639 9656 3636 9653
      3633 9657 3632 9657 3631 9656 3631 9650
      3632 9649 3630 9647 3630 9675 3640 9677
TIME...MOT...LOC 0003Z 250DEG 29KT 3638 9660 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 9:30 PM CDTSpecial Weather StatementTSAOkfuskee30 min
May 8, 11:48 PM CDTSpecial Weather StatementTSAHaskell, McIntosh, Muskogee, Okmulgee27 min
May 9, 12:08 AM CDTSpecial Weather StatementTSACherokee, Haskell, Mayes, Muskogee, Sequoyah, Wagoner52 min
May 9, 6:07 PM CDTSevere Thunderstorm WarningTSAPawnee23 min
May 9, 6:12 PM CDTTornado WarningTSAChoctaw48 min
May 9, 6:28 PM CDTTornado WarningTSAPawnee32 min
May 9, 6:32 PM CDTSevere Thunderstorm WarningTSAPawnee28 min
May 9, 6:42 PM CDTSpecial Weather StatementTSAOsage48 min
May 9, 6:45 PM CDTSpecial Weather StatementTSAPushmataha45 min
May 9, 6:47 PM CDTSpecial Weather StatementTSALatimer43 min
May 9, 6:52 PM CDTSevere Thunderstorm WarningTSAPawnee38 min
May 9, 6:53 PM CDTTornado Warning Tornado observedTSAChoctaw52 min

Nearby

Tornado Warnings in Oklahoma, 2016Every tornado warning in 2016Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.