Alert archive / Oklahoma / Tornado Warnings in 2009

Tornado Warning 13, NWS Amarillo, TX

June 13, 2009Beaver County, Oklahoma

NWS Amarillo, TX issued this tornado warning at Jun 13, 2009, 11:28 PM CDT for Beaver County, Oklahoma. It was in force for 32 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: Jun 13, 2009, 11:28 PM CDT (04:28 UTC)
Expired: Jun 14, 2009, 12:00 AM CDT
In force: 32 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

County Beaver County, OK

The radar

The Dodge City radar (KDDC), 132 km from the middle of the area, began a volume at 04:31 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
Jun 13, 11:30 PM CDT	HAIL 0.88	11 Nne Elmwood, OK	NICKEL SIZE HAIL
Jun 13, 11:45 PM CDT	TSTM WND DMG	4 Wsw Slapout, OK	POWER POLES SNAPPED BETWEEN ELMWOOD AND SLAPOUT NEAR LOGAN. TIME ESTIMATED

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
Jun 13, 4:59 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 4.5 hours before the alert went out and 134 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: 66 J/kg
Mixed-layer CIN: -403 J/kg
Mixed-layer LCL: 1651 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 254 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KAMA 140428
TORAMA
OKC007-140500-
/O.NEW.KAMA.TO.W.0013.090614T0428Z-090614T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1128 PM CDT SAT JUN 13 2009

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BEAVER COUNTY IN THE PANHANDLE OF OKLAHOMA...

* UNTIL MIDNIGHT CDT

* AT 1126 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS TORNADO
  WAS LOCATED NEAR ELMWOOD...OR ABOUT 13 MILES SOUTH OF BEAVER...
  MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ELMWOOD...
  SLAPOUT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF YOU ARE IN MOBILE HOME OR VEHICLE...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 3 3 5 1 1 2 1.

&&

LAT...LON 3649 10011 3649 10029 3661 10059 3679 10052
      3669 10000 3661 10000
TIME...MOT...LOC 0428Z 292DEG 20KT 3662 10045

$$

KIMBLE

2 follow-up statements

000 
WWUS54 KAMA 140440
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
1140 PM CDT SAT JUN 13 2009

OKC007-140500-
/O.CON.KAMA.TO.W.0013.000000T0000Z-090614T0500Z/
BEAVER OK-
1140 PM CDT SAT JUN 13 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTHEASTERN BEAVER COUNTY...

AT 1140 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED
11 MILES WEST OF SLAPOUT...OR ABOUT 17 MILES SOUTHEAST OF 
BEAVER...MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SLAPOUT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 3 3 5 1 1 2 1.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
ALL OF THE TEXAS AND OKLAHOMA PANHANDLES.

&&

LAT...LON 3649 10011 3651 10030 3657 10048 3676 10038
      3669 10000 3661 10000
TIME...MOT...LOC 0440Z 292DEG 20KT 3664 10031

$$

KIMBLE

000 
WWUS54 KAMA 140446
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
1146 PM CDT SAT JUN 13 2009

OKC007-140500-
/O.CON.KAMA.TO.W.0013.000000T0000Z-090614T0500Z/
BEAVER OK-
1146 PM CDT SAT JUN 13 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTHEASTERN BEAVER COUNTY...

AT 1145 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 6 MILES NORTHWEST OF 
SLAPOUT...OR ABOUT 20 MILES SOUTHEAST OF BEAVER...MOVING EAST AT 25 
MPH.

* LOCATIONS IMPACTED INCLUDE...
  SLAPOUT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

TO REPORT SEVERE WEATHER...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 8 0 6 3 3 5 1 1 2 1.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
ALL OF THE TEXAS AND OKLAHOMA PANHANDLES.

&&

LAT...LON 3649 10011 3661 10042 3675 10035 3669 10000
      3661 10000
TIME...MOT...LOC 0446Z 292DEG 20KT 3666 10021

$$

KIMBLE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 7:34 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	39 min
Jun 13, 8:05 PM CDT	Severe Thunderstorm Warning	AMA	Texas	55 min
Jun 13, 8:54 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	21 min
Jun 13, 9:57 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	63 min
Jun 13, 10:07 PM CDT	Tornado Warning	AMA	Beaver	38 min
Jun 13, 10:34 PM CDT	Tornado Warning	AMA	Beaver	41 min
Jun 13, 11:02 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	58 min
Jun 13, 11:31 PM CDT	Areal Flood Advisory	AMA	Beaver	3 hr
Jun 13, 11:48 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	27 min

Nearby

Tornado Warnings in Oklahoma, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.