Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 65, NWS Tulsa, OK

April 26, 20166 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 26, 2016, 9:31 PM CDT for 6 counties in Oklahoma. It was in force for 59 min. 6 reports 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: Apr 26, 2016, 9:31 PM CDT (02:31 UTC)
Expired: Apr 26, 2016, 10:30 PM CDT
In force: 59 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Creek County, OK, Okfuskee County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Tulsa County, OK

The radar

The Norman radar (KTLX), 80 km from the middle of the area, began a volume at 02:32 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
Apr 26, 9:44 PM CDT	TORNADO	9 Wnw Hominy, OK	A TORNADO UPROOTED TREES. IT HAS BEEN RATED EF-1 BASED ON THIS DAMAGE.
Apr 26, 9:50 PM CDT	TSTM WND DMG	Bristow, OK	TREE AND OUTBUILDING DAMAGE. PUBLIC POST ON BROADCAST MEDIA FACEBOOK PAGE. TIME ESTIMATED VIA RADAR.
Apr 26, 9:55 PM CDT	TSTM WND DMG	Cleveland, OK	DAMAGE TO TREES...ROOFS...AND SIGNS. PHOTOS FROM THE CITY MANAGER VIA BROADCAST MEDIA SOCIAL MEDIA ACCOUNT. TIME ESTIMATED VIA RADAR.
Apr 26, 10:01 PM CDT	TORNADO	7 W Sapulpa, OK	A TORNADO SNAPPED OR UPROOTED TREES...DAMAGED THE ROOFS OF SEVERAL HOMES...AND DAMAGED THE ROOF OF A CHURCH. IT WAS RATED EF-1 BASED ON THIS DAMAGE.
Apr 26, 10:03 PM CDT	TORNADO	4 Se Westport, OK	A TORNADO SNAPPED AND UPROOTED NUMEROUS TREES AND DAMAGED AT LEAST ONE HOME. A LARGE TREE FELL ON TWO CARS...CRUSHING THEM. THE TORNADO WAS RATED EF-1 BASED ON THIS DAMAGE.
Apr 26, 10:20 PM CDT	TSTM WND DMG	12 Se Osage, OK	ROOF REMOVED FROM A HOME AND DAMAGE TO DOCKS ALONG KEYSTONE LAKE. INFORMATION RECEIVED VIA SOCIAL MEDIA POST OF BROADCAST MEDIA ARTICLE ON THE DAMAGE. TIME ESTIMATED VIA RADAR.

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.

Issued	Product	Office	Lasted
Apr 26, 2:32 PM CDT	Tornado Watch PDS	SPC	9 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.5 hours before the alert went out and 97 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: 2869 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1035 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 179 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 13.0

Open this sounding in Storm Lab

The text

As transmitted.

296 
WUUS54 KTSA 270231
SVRTSA
OKC037-107-111-113-117-143-270330-
/O.NEW.KTSA.SV.W.0065.160427T0231Z-160427T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
931 PM CDT TUE APR 26 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA...
  NORTHWESTERN OKMULGEE COUNTY IN NORTHEASTERN OKLAHOMA...
  SOUTH CENTRAL OSAGE COUNTY IN NORTHEASTERN OKLAHOMA...
  PAWNEE COUNTY IN NORTHEASTERN OKLAHOMA...
  CREEK COUNTY IN NORTHEASTERN OKLAHOMA...
  WEST CENTRAL TULSA COUNTY IN NORTHEASTERN OKLAHOMA...

* UNTIL 1030 PM CDT

* AT 930 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 5 MILES WEST OF QUAY TO 3 MILES WEST OF PADEN...
  MOVING NORTHEAST AT 60 MPH.

  HAZARD...70 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  BRISTOW...                        PAWNEE...
  OKFUSKEE...                       HOMINY...
  CLEVELAND...                      MANNFORD...
  DRUMRIGHT...                      BEGGS...
  BOLEY...                          KELLYVILLE...
  OILTON...                         DEPEW...
  PADEN...                          JENNINGS...
  WESTPORT...                       OSAGE...
  SLICK...                          HALLETT...
  BLACKBURN...                      CASTLE...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 178 AND 208.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD
WIND DAMAGE. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS! 

&&

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

LAT...LON 3661 9643 3559 9597 3540 9644 3546 9644
      3546 9647 3543 9650 3543 9652 3546 9654
      3544 9657 3541 9654 3539 9654 3541 9658
      3540 9662 3616 9662 3616 9682 3624 9682
      3626 9692
TIME...MOT...LOC 0230Z 240DEG 52KT 3616 9681 3550 9662 

HAIL...0.75IN
WIND...70MPH
 
$$

69

1 follow-up statement

408 
WWUS54 KTSA 270257
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
957 PM CDT TUE APR 26 2016

OKC037-107-111-113-117-143-270330-
/O.CON.KTSA.SV.W.0065.000000T0000Z-160427T0330Z/
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-PAWNEE OK-CREEK OK-TULSA OK-
957 PM CDT TUE APR 26 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR NORTHEASTERN OKFUSKEE...NORTHWESTERN OKMULGEE...SOUTH CENTRAL
OSAGE...SOUTHEASTERN PAWNEE...CREEK AND WEST CENTRAL TULSA
COUNTIES...

AT 957 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 3 MILES NORTHEAST OF CLEVELAND TO 6 MILES NORTHWEST OF
KELLYVILLE TO 4 MILES NORTHEAST OF CASTLE...MOVING NORTHEAST AT 60
MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IN OR NEAR THE PATH INCLUDE...
BRISTOW...                        OKFUSKEE...
HOMINY...                         CLEVELAND...
MANNFORD...                       BEGGS...
KELLYVILLE...                     OILTON...
DEPEW...                          JENNINGS...
WESTPORT...                       OSAGE...
SLICK...                          HALLETT...
BLACKBURN...                      CASTLE...
TERLTON...                        WELTY...
WALNUT CREEK STATE PARK...        KEYSTONE STATE PARK...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 183 AND 208.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

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

LAT...LON 3661 9643 3559 9597 3540 9644 3546 9644
      3546 9645 3616 9662 3641 9671
TIME...MOT...LOC 0257Z 226DEG 50KT 3634 9642 3599 9630 3550 9631 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

69

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 8:24 PM CDT	Special Weather Statement	TSA	Pawnee	51 min
Apr 26, 9:14 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	61 min
Apr 26, 9:52 PM CDT	Tornado Warning	TSA	Osage	23 min
Apr 26, 10:00 PM CDT	Tornado Warning	TSA	Creek, Osage, Pawnee, Tulsa	30 min
Apr 26, 10:13 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Washington	47 min
Apr 26, 10:20 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Muskogee, Okmulgee, Osage, Rogers, Tulsa and 1 more	40 min
Apr 26, 10:21 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee, Pittsburg	39 min
Apr 26, 10:26 PM CDT	Tornado Warning	TSA	Rogers, Tulsa, Wagoner	34 min
Apr 26, 10:51 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Latimer, Pittsburg, Pushmataha	39 min
Apr 26, 10:56 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Haskell, Latimer, McIntosh, Muskogee, Okmulgee and 3 more	49 min
Apr 26, 10:57 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Craig, Mayes, Nowata, Rogers, Wagoner	33 min
Apr 26, 11:01 PM CDT	Tornado Warning	TSA	Cherokee, Mayes, Rogers, Wagoner	44 min
Apr 26, 11:13 PM CDT	Tornado Warning	TSA	Craig	32 min
Apr 26, 11:14 PM CDT	Tornado Warning	TSA	Cherokee, McIntosh, Muskogee, Sequoyah	31 min
Apr 26, 11:24 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes, Nowata, Ottawa, Rogers	51 min
Apr 26, 11:27 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Latimer, LeFlore, Pushmataha	48 min
Apr 26, 11:29 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, McIntosh, Mayes, Muskogee, Rogers and 2 more	46 min
Apr 26, 11:35 PM CDT	Tornado Warning	TSA	Adair, Cherokee, Delaware, Mayes	25 min
Apr 26, 11:43 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Muskogee, Pushmataha, Sequoyah	32 min
Apr 26, 11:44 PM CDT	Tornado Warning	TSA	Adair, Cherokee, Sequoyah	31 min
Apr 27, 12:01 AM CDT	Tornado Warning	TSA	Delaware	14 min
Apr 27, 12:06 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware	54 min
Apr 27, 12:13 AM CDT	Tornado Warning	TSA	Adair	32 min
Apr 27, 12:16 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, Latimer, LeFlore, Pushmataha and 1 more	59 min
Apr 27, 12:18 AM CDT	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	17 min
Apr 27, 8:24 AM CDT	River Flood Warning	TSA	Ottawa	5 days

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2016 Every severe thunderstorm warning 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.