Alert archive / Oklahoma / Tornado Warnings in 2016

Tornado Warning 61, NWS Norman, OK

August 25, 2016Beckham County, Custer County, Roger Mills County, Oklahoma

NWS Norman, OK issued this tornado warning at Aug 25, 2016, 4:26 PM CDT for Beckham County, Custer County, Roger Mills County, Oklahoma. It was in force for 34 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: Aug 25, 2016, 4:26 PM CDT (21:26 UTC)
Expired: Aug 25, 2016, 5:00 PM CDT
In force: 34 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.0 in

Counties Beckham County, OK, Custer County, OK, Roger Mills County, OK

The radar

The Altus AFB radar (KFDR), 147 km from the middle of the area, began a volume at 21:26 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
Aug 25, 5:00 PM CDT	HAIL 1.75	Hammon, OK	RELAYED VIA TV COVERAGE... KWTV. 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
Aug 25, 3:27 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 9.4 hours before the alert went out and 198 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: 649 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1204 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

985 
WFUS54 KOUN 252126
TOROUN
OKC009-039-129-252200-
/O.NEW.KOUN.TO.W.0061.160825T2126Z-160825T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
426 PM CDT THU AUG 25 2016

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ROGER MILLS COUNTY IN WESTERN OKLAHOMA...
  WEST CENTRAL CUSTER COUNTY IN WESTERN OKLAHOMA...
  NORTHEASTERN BECKHAM COUNTY IN WESTERN OKLAHOMA...

* UNTIL 500 PM CDT
    
* AT 425 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 4 MILES SOUTHEAST OF CHEYENNE...MOVING EAST AT
  25 MPH.

  HAZARD...TORNADO AND HAIL UP TO TWO INCHES IN DIAMETER. 

  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...
  CHEYENNE...HAMMON AND STRONG CITY. 

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 IN A
MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3568 9966 3567 9931 3546 9938 3552 9968
TIME...MOT...LOC 2125Z 276DEG 23KT 3559 9960 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

WR

3 follow-up statements

155 
WWUS54 KOUN 252131
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
431 PM CDT THU AUG 25 2016

OKC009-039-129-252200-
/O.CON.KOUN.TO.W.0061.000000T0000Z-160825T2200Z/
ROGER MILLS OK-CUSTER OK-BECKHAM OK-
431 PM CDT THU AUG 25 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN ROGER MILLS...WEST CENTRAL CUSTER AND NORTHEASTERN
BECKHAM COUNTIES...
    
AT 431 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES SOUTHEAST OF STRONG CITY...MOVING EAST AT 25 MPH.

HAZARD...TORNADO AND TWO INCH 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...
HAMMON.

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 3564 9959 3567 9931 3546 9938 3554 9963
TIME...MOT...LOC 2131Z 276DEG 23KT 3559 9955 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

WR

301 
WWUS54 KOUN 252141
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
441 PM CDT THU AUG 25 2016

OKC009-252149-
/O.CAN.KOUN.TO.W.0061.000000T0000Z-160825T2200Z/
BECKHAM OK-
441 PM CDT THU AUG 25 2016

...THE TORNADO WARNING FOR NORTHEASTERN BECKHAM COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA.

LAT...LON 3564 9956 3567 9931 3552 9936 3558 9957
TIME...MOT...LOC 2139Z 268DEG 24KT 3560 9948 

$$

OKC039-129-252200-
/O.CON.KOUN.TO.W.0061.000000T0000Z-160825T2200Z/
ROGER MILLS OK-CUSTER OK-
441 PM CDT THU AUG 25 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR EAST
CENTRAL ROGER MILLS AND WEST CENTRAL CUSTER COUNTIES...
    
AT 439 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES SOUTHWEST OF HAMMON...MOVING EAST AT 25 MPH.

HAZARD...TORNADO AND GOLF BALL 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...
HAMMON.

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 3564 9956 3567 9931 3552 9936 3558 9957
TIME...MOT...LOC 2139Z 268DEG 24KT 3560 9948 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

WR

525 
WWUS54 KOUN 252150
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
450 PM CDT THU AUG 25 2016

OKC039-129-252200-
/O.CON.KOUN.TO.W.0061.000000T0000Z-160825T2200Z/
ROGER MILLS OK-CUSTER OK-
450 PM CDT THU AUG 25 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR EAST
CENTRAL ROGER MILLS AND WEST CENTRAL CUSTER COUNTIES...
    
AT 449 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR HAMMON...MOVING EAST AT 30 MPH.

HAZARD...TORNADO AND GOLF BALL 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...
HAMMON.

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 3567 9931 3552 9936 3558 9949 3565 9949
TIME...MOT...LOC 2149Z 273DEG 25KT 3560 9937 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

WR

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 24, 7:10 PM CDT	Severe Thunderstorm Warning	OUN	Kay	20 min
Aug 24, 7:21 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa, Tillman	39 min
Aug 24, 7:42 PM CDT	Special Weather Statement	OUN	Kay	33 min
Aug 24, 7:42 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa, Tillman	48 min
Aug 24, 7:56 PM CDT	Special Weather Statement	OUN	Garfield	34 min
Aug 24, 8:17 PM CDT	Special Weather Statement	OUN	Kay	28 min
Aug 24, 8:28 PM CDT	Special Weather Statement	OUN	Jackson	47 min
Aug 24, 8:49 PM CDT	Special Weather Statement	OUN	Greer	26 min
Aug 24, 9:04 PM CDT	Special Weather Statement	OUN	Kiowa	26 min
Aug 24, 9:36 PM CDT	Special Weather Statement	OUN	Kay	39 min
Aug 24, 10:15 PM CDT	Areal Flood Advisory	OUN	Kay	2 hr
Aug 24, 10:31 PM CDT	Special Weather Statement	OUN	Kay	29 min
Aug 25, 9:45 AM CDT	Flood Watch	OUN	Alfalfa, Beckham, Blaine, Custer, Dewey, Garfield and 5 more	21 hr
Aug 25, 2:56 PM CDT	Special Weather Statement	OUN	Oklahoma	34 min
Aug 25, 3:19 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Oklahoma	24 min
Aug 25, 3:21 PM CDT	Areal Flood Advisory	OUN	Cleveland, Oklahoma	114 min
Aug 25, 3:33 PM CDT	Special Weather Statement	OUN	Payne	27 min
Aug 25, 3:38 PM CDT	Special Weather Statement	OUN	Roger Mills	22 min
Aug 25, 3:39 PM CDT	Severe Thunderstorm Warning	OUN	Payne	36 min
Aug 25, 3:41 PM CDT	Special Weather Statement	OUN	Oklahoma	34 min
Aug 25, 3:44 PM CDT	Special Weather Statement	OUN	Oklahoma	31 min
Aug 25, 3:45 PM CDT	Special Weather Statement	OUN	Oklahoma	30 min
Aug 25, 3:47 PM CDT	Special Weather Statement	OUN	Beckham	28 min
Aug 25, 4:03 PM CDT	Special Weather Statement	OUN	Roger Mills	27 min
Aug 25, 4:07 PM CDT	Severe Thunderstorm Warning	OUN	Payne	22 min
Aug 25, 4:13 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Roger Mills	47 min
Aug 25, 4:40 PM CDT	Special Weather Statement	OUN	Harmon	65 min
Aug 25, 4:50 PM CDT	Areal Flood Advisory	OUN	Custer, Dewey, Roger Mills	3 hr
Aug 25, 4:53 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon	67 min
Aug 25, 4:54 PM CDT	Special Weather Statement	OUN	Custer	36 min
Aug 25, 4:55 PM CDT	Tornado Warning	OUN	Custer, Dewey	35 min
Aug 25, 4:57 PM CDT	Tornado Warning	OUN	Custer	33 min
Aug 25, 5:03 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Washita	42 min
Aug 25, 5:04 PM CDT	Special Weather Statement	OUN	Blaine	26 min
Aug 25, 5:14 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey	46 min
Aug 25, 5:15 PM CDT	Special Weather Statement	OUN	Logan	30 min
Aug 25, 5:21 PM CDT	Special Weather Statement	OUN	Beckham	24 min
Aug 25, 5:28 PM CDT	Severe Thunderstorm Warning	OUN	Custer	32 min
Aug 25, 5:30 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Roger Mills	27 min
Aug 25, 5:37 PM CDT	Severe Thunderstorm Warning	OUN	Custer	53 min
Aug 25, 5:40 PM CDT	Special Weather Statement	OUN	Blaine	20 min
Aug 25, 5:44 PM CDT	Special Weather Statement	OUN	Logan	16 min
Aug 25, 5:50 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Major	40 min
Aug 25, 5:57 PM CDT	Severe Thunderstorm Warning	OUN	Dewey	33 min
Aug 25, 5:59 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Noble, Payne	46 min
Aug 25, 6:05 PM CDT	Special Weather Statement	OUN	Beckham	25 min
Aug 25, 6:26 PM CDT	Severe Thunderstorm Warning	OUN	Blaine	49 min
Aug 25, 6:31 PM CDT	Severe Thunderstorm Warning	OUN	Payne	44 min
Aug 25, 6:34 PM CDT	Special Weather Statement	OUN	Washita	26 min
Aug 25, 6:40 PM CDT	Severe Thunderstorm Warning	OUN	Noble	35 min
Aug 25, 6:45 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Washita	45 min
Aug 25, 6:55 PM CDT	Special Weather Statement	OUN	Major	35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.