Alert archive / Oklahoma / Tornado Warnings in 2017

Tornado Warning 26, NWS Norman, OK

May 16, 2017Beckham County, Washita County, Oklahoma

NWS Norman, OK issued this tornado warning at May 16, 2017, 7:08 PM CDT for Beckham County, Washita County, Oklahoma. It was in force for 37 min. 4 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: May 16, 2017, 7:08 PM CDT (00:08 UTC)
Expired: May 16, 2017, 7:45 PM CDT
In force: 37 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Observed
Damage threat: Considerable
Hail: 4.0 in

Counties Beckham County, OK, Washita County, OK

The radar

The Altus AFB radar (KFDR), 122 km from the middle of the area, began a volume at 00:09 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
May 16, 7:10 PM CDT	TSTM WND GST 68	5 S Elk City, OK
May 16, 7:15 PM CDT	TSTM WND GST 74	5 S Elk City, OK
May 16, 7:35 PM CDT	TSTM WND DMG	3 S Elk City, OK	NUMEROUS HOMES AND STRUCTURES DAMAGED, ROOFS REMOVED, 1 HOME COLLAPSED.
May 16, 7:35 PM CDT	TORNADO	3 S Elk City, OK	NUMEROUS HOMES AND STRUCTURES DAMAGED, ROOFS REMOVED, 1 HOME COLLAPSED

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
May 16, 1:54 PM CDT	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.1 hours before the alert went out and 180 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: 768 J/kg
Mixed-layer CIN: -307 J/kg
Mixed-layer LCL: 953 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 232 m²/s²
0-3 km storm-relative helicity: 308 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

903 
WFUS54 KOUN 170008
TOROUN
OKC009-149-170045-
/O.NEW.KOUN.TO.W.0026.170517T0008Z-170517T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Norman OK
708 PM CDT TUE MAY 16 2017

The National Weather Service in Norman has issued a

* Tornado Warning for...
  Northwestern Washita County in western Oklahoma...
  East central Beckham County in western Oklahoma...

* Until 745 PM CDT

* At 708 PM CDT, a confirmed large and extremely dangerous tornado 
  was located just southwest of Elk City, moving northeast at 35 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! 

  HAZARD...Damaging tornado. 

  SOURCE...Weather spotters confirmed tornado. 

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible. 

* Locations impacted include...
  Elk City, Canute and Foss. 

This includes Interstate 40 between mile markers 36 and 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, an extremely dangerous and potentially deadly tornado is
on the ground. To protect your life, TAKE COVER NOW! Move to a storm
shelter, safe room 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 3546 9944 3547 9922 3546 9916 3531 9945
      3534 9948
TIME...MOT...LOC 0008Z 230DEG 32KT 3535 9942 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...4.00IN

$$

..speg.

3 follow-up statements

062 
WWUS54 KOUN 170011
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
711 PM CDT TUE MAY 16 2017

OKC009-149-170045-
/O.CON.KOUN.TO.W.0026.000000T0000Z-170517T0045Z/
Washita OK-Beckham OK-
711 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHWESTERN WASHITA AND EAST CENTRAL BECKHAM COUNTIES...
    
At 711 PM CDT, a confirmed large and extremely dangerous tornado was 
located moving into the south side of Elk City, moving northeast at 
35 mph. People in Elk City need to take shelter immediately! 

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Weather spotters confirmed tornado. 

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

Locations impacted include...
Elk City, Canute and Foss. 

This includes Interstate 40 between mile markers 36 and 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, an extremely dangerous and potentially deadly tornado is
on the ground. To protect your life, TAKE COVER NOW! Move to a storm
shelter, safe room, 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 3546 9944 3547 9922 3546 9916 3531 9945
      3534 9948
TIME...MOT...LOC 0011Z 224DEG 32KT 3537 9940 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...4.00IN

$$

..speg.

990 
WWUS54 KOUN 170016 CCA
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
716 PM CDT TUE MAY 16 2017

OKC009-149-170045-
/O.COR.KOUN.TO.W.0026.000000T0000Z-170517T0045Z/
Washita OK-Beckham OK-
716 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHWESTERN WASHITA AND EAST CENTRAL BECKHAM COUNTIES...
    
At 715 PM CDT, a confirmed large and extremely dangerous tornado was 
located on the southeast side of Elk City, moving northeast at 30 
mph. This tornado will cross Interstate 40 between mile marker 40 
and 45.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Weather spotters confirmed tornado. 

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

Locations impacted include...
Elk City, Canute and Foss. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, an extremely dangerous and potentially deadly tornado is
on the ground. To protect your life, TAKE COVER NOW! Move to a storm
shelter, safe room, 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 3546 9944 3547 9922 3546 9916 3531 9945
      3534 9948
TIME...MOT...LOC 0011Z 226DEG 24KT 3537 9940 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...4.00IN

$$

..speg.

262 
WWUS54 KOUN 170034
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
734 PM CDT TUE MAY 16 2017

OKC009-170043-
/O.CAN.KOUN.TO.W.0026.000000T0000Z-170517T0045Z/
Beckham OK-
734 PM CDT TUE MAY 16 2017

...THE TORNADO WARNING FOR EAST CENTRAL BECKHAM COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of Beckham County. Therefore, the warning has been cancelled for 
Beckham County.

LAT...LON 3546 9934 3547 9922 3546 9916 3540 9929
TIME...MOT...LOC 0033Z 240DEG 19KT 3545 9926 

$$

OKC149-170045-
/O.CON.KOUN.TO.W.0026.000000T0000Z-170517T0045Z/
Washita OK-
734 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHWESTERN WASHITA COUNTY...
    
At 733 PM CDT, a severe thunderstorm capable of producing a tornado
was located northeast Canute, moving northeast at 30 mph.

HAZARD...Tornado and baseball 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 impacted include...
Canute and Foss. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter, safe room, 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 3546 9934 3547 9922 3546 9916 3540 9929
TIME...MOT...LOC 0033Z 240DEG 19KT 3545 9926 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

..speg.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 7:23 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Washita	37 min
May 16, 7:25 PM CDT	Tornado Warning	OUN	Custer, Washita	35 min
May 16, 7:26 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Jackson, Kiowa	49 min
May 16, 7:42 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Major, Woods, Woodward	48 min
May 16, 7:55 PM CDT	Tornado Warning	OUN	Custer	35 min
May 16, 7:57 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer, Dewey	48 min
May 16, 8:03 PM CDT	Severe Thunderstorm Warning	OUN	Kiowa	42 min
May 16, 8:13 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Ellis, Roger Mills, Woodward	47 min
May 16, 8:18 PM CDT	Severe Thunderstorm Warning	OUN	Jackson	42 min
May 16, 8:33 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Major	42 min
May 16, 8:33 PM CDT	Severe Thunderstorm Warning	OUN	Kiowa, Washita	42 min
May 16, 8:44 PM CDT	Special Weather Statement	OUN	Blaine	31 min
May 16, 8:53 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Major, Woodward	52 min
May 16, 9:03 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Kiowa, Washita	42 min
May 16, 9:36 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian	39 min
May 16, 9:39 PM CDT	Severe Thunderstorm Warning	OUN	Major	51 min
May 16, 9:46 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	44 min
May 16, 9:51 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Custer, Dewey, Ellis, Roger Mills	39 min
May 16, 9:53 PM CDT	Areal Flood Advisory	OUN	Dewey, Major, Roger Mills	3 hr
May 16, 9:57 PM CDT	Areal Flood Advisory	OUN	Roger Mills	3 hr
May 16, 10:02 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Roger Mills	28 min
May 16, 10:07 PM CDT	Special Weather Statement	OUN	Kiowa	38 min
May 16, 10:17 PM CDT	Flash Flood Warning	OUN	Roger Mills	3 hr
May 16, 10:22 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant, Major	53 min
May 16, 10:27 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Custer, Dewey, Ellis, Roger Mills, Woodward	48 min
May 16, 11:04 PM CDT	Special Weather Statement	OUN	Comanche	26 min
May 16, 11:14 PM CDT	Flash Flood Warning	OUN	Dewey, Woodward	2 hr
May 16, 11:16 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	44 min
May 16, 11:19 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods	41 min
May 16, 11:26 PM CDT	Areal Flood Advisory	OUN	Custer, Roger Mills	3 hr
May 16, 11:34 PM CDT	Special Weather Statement	OUN	Woods	26 min
May 16, 11:56 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Grady, Stephens	49 min
May 16, 11:56 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	49 min
May 17, 12:03 AM CDT	Special Weather Statement	OUN	Cotton, Tillman	27 min
May 17, 12:17 AM CDT	Wind Advisory	OUN	Blaine, Caddo, Canadian, Cleveland, Comanche, Custer and 11 more	103 min
May 17, 12:32 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Grady, McClain	43 min
May 17, 12:46 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Cotton, Grady, Jefferson, Stephens	29 min
May 17, 1:02 AM CDT	Severe Thunderstorm Warning	OUN	Oklahoma	28 min
May 17, 1:12 AM CDT	Severe Thunderstorm Warning	OUN	Logan, Oklahoma	33 min
May 17, 1:14 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Lincoln, Pottawatomie	46 min
May 17, 1:14 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Comanche, Garvin, Grady, Jefferson, McClain and 2 more	31 min
May 17, 1:31 AM CDT	Special Weather Statement	OUN	Payne	29 min
May 17, 1:43 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Cleveland, Garvin, McClain, Murray, Pontotoc and 2 more	47 min
May 17, 2:54 AM CDT	Special Weather Statement	OUN	Love	36 min
May 17, 6:28 AM CDT	River Flood Warning	OUN	Dewey, Major, Woodward	25 hr
May 17, 10:04 AM CDT	Wind Advisory	OUN	Alfalfa, Blaine, Canadian, Custer, Dewey, Ellis and 14 more	6 hr

Nearby

Tornado Warnings in Oklahoma, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.