Alert archive / Oklahoma / Tornado Warnings in 2017

Tornado Warning 8, NWS Amarillo, TX

May 16, 2017Beaver County, Oklahoma

NWS Amarillo, TX issued this tornado warning at May 16, 2017, 2:58 PM CDT for Beaver County, Oklahoma. It was in force for 47 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 16, 2017, 2:58 PM CDT (19:58 UTC)
Expired: May 16, 2017, 3:45 PM CDT
In force: 47 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.75 in

County Beaver County, OK

The radar

The Dodge City radar (KDDC), 123 km from the middle of the area, began a volume at 19:59 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, 3:02 PM CDT	HAIL 2	4 W Beaver, OK	HEN EGG SIZED HAIL REPORTED.

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

Dodge City, (KDDC), launched 12:00Z, 8.0 hours before the alert went out and 126 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: 93 J/kg
Mixed-layer CIN: -432 J/kg
Mixed-layer LCL: 2110 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 281 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

399 
WFUS54 KAMA 161958
TORAMA
OKC007-162045-
/O.NEW.KAMA.TO.W.0008.170516T1958Z-170516T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Amarillo TX
258 PM CDT TUE MAY 16 2017

The National Weather Service in Amarillo has issued a

* Tornado Warning for...
  Central Beaver County in the Panhandle of Oklahoma...

* Until 345 PM CDT
    
* At 258 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles northeast of Balko, or 8 miles southwest of
  Beaver, moving northeast at 35 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...
  Beaver.

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.

&&

LAT...LON 3664 10063 3672 10071 3699 10038 3673 10021
TIME...MOT...LOC 1958Z 244DEG 30KT 3671 10060 

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

$$

Ward

2 follow-up statements

220 
WWUS54 KAMA 162009
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
309 PM CDT TUE MAY 16 2017

OKC007-162045-
/O.CON.KAMA.TO.W.0008.000000T0000Z-170516T2045Z/
Beaver OK-
309 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR CENTRAL
BEAVER COUNTY...
    
At 307 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Beaver, moving northeast at 40 mph.

HAZARD...Tornado and baseball size hail. 

SOURCE...Radar indicated rotation. There have been numerous reports 
         of a rotating wall cloud and a possible brief tornado. 

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...
Beaver.

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.

&&

LAT...LON 3670 10054 3678 10063 3699 10038 3678 10024
TIME...MOT...LOC 2007Z 232DEG 33KT 3678 10052 

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

$$

Ward

980 
WWUS54 KAMA 162024
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
324 PM CDT TUE MAY 16 2017

OKC007-162045-
/O.CON.KAMA.TO.W.0008.000000T0000Z-170516T2045Z/
Beaver OK-
324 PM CDT TUE MAY 16 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR NORTH
CENTRAL BEAVER COUNTY...
    
At 323 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Beaver, moving northeast at 45 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. 

This tornadic thunderstorm will remain over mainly rural areas of
north central Beaver County.

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.

&&

LAT...LON 3679 10047 3685 10055 3689 10050 3698 10038
      3685 10028
TIME...MOT...LOC 2023Z 229DEG 38KT 3685 10047 

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

$$

Ward

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 7:22 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	53 min
May 15, 7:58 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	77 min
May 15, 8:53 PM CDT	Severe Thunderstorm Warning	AMA	Texas	52 min
May 15, 9:12 PM CDT	Special Weather Statement	AMA	Texas	33 min
May 15, 9:29 PM CDT	Severe Thunderstorm Warning	AMA	Texas	61 min
May 15, 10:28 PM CDT	Special Weather Statement	AMA	Beaver	32 min
May 16, 1:42 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	63 min
May 16, 2:44 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	61 min
May 16, 2:44 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	61 min
May 16, 3:16 PM CDT	Tornado Warning	AMA	Beaver, Texas	44 min
May 16, 3:40 PM CDT	Tornado Warning	AMA	Beaver	20 min
May 16, 3:45 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	75 min
May 16, 5:02 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	32 min

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.