Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 71, NWS Tulsa, OK

April 26, 20166 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 26, 2016, 10:57 PM CDT for 6 counties in Oklahoma. It was in force for 33 min. 2 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, 10:57 PM CDT (03:57 UTC)
Expired: Apr 26, 2016, 11:30 PM CDT
In force: 33 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 70.0 mph

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

The radar

The Tulsa radar (KINX), 45 km from the middle of the area, began a volume at 03:56 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, 11:05 PM CDT	TSTM WND DMG	Foyil, OK	TREES DOWN. PUBLIC PHOTO POSTED ON BROADCAST MEDIA FACEBOOK PAGE. TIME ESTIMATED VIA RADAR.
Apr 26, 11:16 PM CDT	TORNADO	8 Wnw Vinita, OK	THIS TORNADO UPROOTED A FEW TREES...SNAPPED NUMEROUS LARGE TREE LIMBS...AND DAMAGED OUTBUILDINGS.

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
Apr 26, 10:21 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.0 hours before the alert went out and 138 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: 851 J/kg
Mixed-layer CIN: -259 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

796 
WUUS54 KTSA 270357
SVRTSA
OKC021-035-097-105-131-145-270430-
/O.NEW.KTSA.SV.W.0071.160427T0357Z-160427T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1057 PM CDT TUE APR 26 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MAYES COUNTY IN NORTHEASTERN OKLAHOMA...
  EASTERN ROGERS COUNTY IN NORTHEASTERN OKLAHOMA...
  EASTERN NOWATA COUNTY IN NORTHEASTERN OKLAHOMA...
  NORTHWESTERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA...
  NORTHEASTERN WAGONER COUNTY IN NORTHEASTERN OKLAHOMA...
  CRAIG COUNTY IN NORTHEASTERN OKLAHOMA...

* UNTIL 1130 PM CDT

* AT 1057 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES EAST OF SOUTH COFFEYVILLE TO 4 MILES
  SOUTHWEST OF CHELSEA TO 6 MILES SOUTH OF INOLA...MOVING EAST AT 45
  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...
  CLAREMORE...                      WAGONER...
  VINITA...                         PRYOR...
  PRYOR CREEK...                    CHOUTEAU...
  CHELSEA...                        INOLA...
  LOCUST GROVE...                   SALINA...
  LANGLEY...                        ADAIR...
  SOUTH COFFEYVILLE...              WELCH...
  KETCHUM...                        SPAVINAW...
  FOYIL...                          BLUEJACKET...
  DISNEY...                         BIG CABIN...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 250 AND 291.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3656 9500 3599 9503 3597 9562 3647 9558
      3700 9562 3700 9506
TIME...MOT...LOC 0357Z 262DEG 41KT 3696 9551 3648 9547 3605 9551 

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

69

1 follow-up statement

508 
WWUS54 KTSA 270421
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1121 PM CDT TUE APR 26 2016

OKC021-035-097-105-131-145-270430-
/O.CON.KTSA.SV.W.0071.000000T0000Z-160427T0430Z/
MAYES OK-ROGERS OK-NOWATA OK-CHEROKEE OK-WAGONER OK-CRAIG OK-
1121 PM CDT TUE APR 26 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR MAYES...EASTERN ROGERS...EASTERN NOWATA...NORTHWESTERN
CHEROKEE...NORTHEASTERN WAGONER AND CRAIG COUNTIES...

AT 1121 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 8 MILES SOUTHEAST OF EDNA TO 2 MILES NORTHEAST OF
ADAIR TO 7 MILES NORTHEAST OF WAGONER...MOVING EAST AT 35 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...
CLAREMORE...                      WAGONER...
VINITA...                         PRYOR...
PRYOR CREEK...                    CHOUTEAU...
CHELSEA...                        INOLA...
LOCUST GROVE...                   SALINA...
LANGLEY...                        ADAIR...
SOUTH COFFEYVILLE...              WELCH...
KETCHUM...                        SPAVINAW...
FOYIL...                          BLUEJACKET...
DISNEY...                         BIG CABIN...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 250 AND 291.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3656 9500 3599 9503 3597 9562 3647 9558
      3700 9562 3700 9506
TIME...MOT...LOC 0421Z 259DEG 32KT 3695 9528 3647 9525 3604 9529 

TORNADO...POSSIBLE
HAIL...0.75IN
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, 9:31 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee, Osage, Pawnee, Tulsa	59 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, 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.