Alert archive / Oklahoma / Tornado Warnings in 2016

Tornado Warning 48, NWS Norman, OK

May 25, 2016Garfield County, Oklahoma

NWS Norman, OK issued this tornado warning at May 25, 2016, 9:54 PM CDT for Garfield County, Oklahoma. It was in force for 36 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: May 25, 2016, 9:54 PM CDT (02:54 UTC)
Expired: May 25, 2016, 10:30 PM CDT
In force: 36 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Observed
Hail: 1.5 in

County Garfield County, OK

What was reported inside it

Time	Report	Where	Remark
May 25, 10:17 PM CDT	HAIL 1.75	Hillsdale, OK
May 25, 10:30 PM CDT	HAIL 1	1 Ssw Hillsdale, OK

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 25, 3:44 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.9 hours before the alert went out and 156 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: 3818 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 12.0

Open this sounding in Storm Lab

The text

As transmitted.

125 
WFUS54 KOUN 260254
TOROUN
OKC047-260330-
/O.NEW.KOUN.TO.W.0048.160526T0254Z-160526T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
954 PM CDT WED MAY 25 2016

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN GARFIELD COUNTY IN NORTHERN OKLAHOMA...

* UNTIL 1030 PM CDT

* AT 954 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR HILLSDALE...
  MOVING NORTHEAST AT 10 MPH.

  HAZARD...DAMAGING TORNADO AND PING PONG BALL SIZE HAIL. 

  SOURCE...WEATHER SPOTTERS CONFIRMED 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...
  HILLSDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3649 9808 3656 9808 3659 9801 3649 9794
TIME...MOT...LOC 0254Z 244DEG 8KT 3653 9804 

TORNADO...OBSERVED
HAIL...1.50IN

$$

MBS

1 follow-up statement

750 
WWUS54 KOUN 260306
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
1006 PM CDT WED MAY 25 2016

OKC047-260330-
/O.CON.KOUN.TO.W.0048.000000T0000Z-160526T0330Z/
GARFIELD OK-
1006 PM CDT WED MAY 25 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
NORTHWESTERN GARFIELD COUNTY...
    
AT 1006 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR HILLSDALE...
MOVING NORTHEAST AT 10 MPH.

HAZARD...DAMAGING TORNADO AND PING PONG BALL SIZE HAIL. 

SOURCE...WEATHER SPOTTERS CONFIRMED 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...
HILLSDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3651 9806 3657 9806 3659 9801 3651 9795
TIME...MOT...LOC 0306Z 240DEG 7KT 3654 9803 

TORNADO...OBSERVED
HAIL...1.50IN

$$

MBS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 7:32 PM CDT	Special Weather Statement	OUN	Major	43 min
May 25, 7:36 PM CDT	Special Weather Statement	OUN	Alfalfa	39 min
May 25, 7:57 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa	16 min
May 25, 8:15 PM CDT	Special Weather Statement	OUN	Alfalfa	45 min
May 25, 8:59 PM CDT	Special Weather Statement	OUN	Alfalfa	46 min
May 25, 9:08 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	52 min
May 25, 9:26 PM CDT	Tornado Warning	OUN	Alfalfa, Garfield	34 min
May 25, 9:43 PM CDT	Tornado Warning	OUN	Alfalfa	32 min
May 25, 10:15 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Major	45 min
May 25, 10:18 PM CDT	Tornado Warning	OUN	Garfield, Grant	27 min
May 25, 10:27 PM CDT	Flash Flood Warning	OUN	Garfield, Grant	3 hr
May 25, 10:43 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant	47 min
May 25, 11:28 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Noble	62 min
May 25, 11:33 PM CDT	Flash Flood Warning	OUN	Garfield	3 hr
May 26, 12:23 AM CDT	Severe Thunderstorm Warning	OUN	Noble	21 min
May 26, 12:46 AM CDT	Special Weather Statement	OUN	Noble	29 min
May 26, 4:17 AM CDT	River Flood Warning	OUN	Atoka	8 hr
May 26, 12:38 PM CDT	Special Weather Statement	OUN	Grant	37 min
May 26, 12:46 PM CDT	Special Weather Statement	OUN	Roger Mills	29 min
May 26, 12:48 PM CDT	Severe Thunderstorm Warning	OUN	Grant	27 min
May 26, 12:53 PM CDT	Special Weather Statement	OUN	Harper	37 min
May 26, 1:12 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Roger Mills	48 min
May 26, 1:25 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper	50 min
May 26, 1:50 PM CDT	Severe Thunderstorm Warning	OUN	Ellis	25 min
May 26, 1:52 PM CDT	Special Weather Statement	OUN	Woodward	23 min
May 26, 1:59 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Roger Mills	31 min
May 26, 2:11 PM CDT	Severe Thunderstorm Warning	OUN	Harper	49 min
May 26, 2:19 PM CDT	Tornado Warning	OUN	Harper	26 min
May 26, 2:30 PM CDT	Special Weather Statement	OUN	Ellis	30 min
May 26, 2:56 PM CDT	Special Weather Statement	OUN	Woodward	34 min
May 26, 3:04 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	41 min
May 26, 6:45 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	45 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.