Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 521, NWS Norman, OK

June 23, 20164 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 23, 2016, 4:31 PM CDT for 4 counties in Oklahoma. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 23, 2016, 4:31 PM CDT (21:31 UTC)
Expired
Jun 23, 2016, 5:15 PM CDT
In force
44 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Garfield County, OK, Grant County, OK, Kay County, OK, Noble County, OK

The radar

The Vance AFB radar (KVNX), 94 km from the middle of the area, began a volume at 21:30 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.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 9.5 hours before the alert went out and 163 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-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2016-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 965 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2016-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
965 J/kg
Mixed-layer CIN
-180 J/kg
Mixed-layer LCL
1248 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

648 
WUUS54 KOUN 232131
SVROUN
OKC047-053-071-103-232215-
/O.NEW.KOUN.SV.W.0521.160623T2131Z-160623T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
431 PM CDT THU JUN 23 2016

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KAY COUNTY IN NORTHERN OKLAHOMA...
  NORTHERN NOBLE COUNTY IN NORTHERN OKLAHOMA...
  SOUTHERN GRANT COUNTY IN NORTHERN OKLAHOMA...
  GARFIELD COUNTY IN NORTHERN OKLAHOMA...

* UNTIL 515 PM CDT

* AT 431 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR CHILOCCO TO 3 MILES SOUTHEAST OF LAMONT TO 4
  MILES EAST OF CARRIER...MOVING EAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  ENID...PONCA CITY...BLACKWELL...TONKAWA...NEWKIRK...WAUKOMIS...
  POND CREEK...GARBER...LAHOMA...BILLINGS...DRUMMOND...LAMONT...
  KAW CITY...RED ROCK...KREMLIN...BRECKENRIDGE...MARLAND...HUNTER...
  FAIRMONT AND HILLSDALE.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 194 AND 228.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3678 9675 3677 9682 3674 9683 3675 9689
      3668 9693 3670 9704 3668 9706 3660 9704
      3659 9706 3658 9700 3660 9691 3658 9689
      3655 9690 3651 9703 3644 9703 3626 9810
      3662 9811 3672 9757 3700 9722 3700 9675
TIME...MOT...LOC 2131Z 286DEG 17KT 3696 9707 3667 9751 3649 9795 

HAIL...1.00IN
WIND...60MPH
 
$$

11
2 follow-up statements
530 
WWUS54 KOUN 232201
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
501 PM CDT THU JUN 23 2016

OKC047-053-232210-
/O.CAN.KOUN.SV.W.0521.000000T0000Z-160623T2215Z/
GRANT OK-GARFIELD OK-
501 PM CDT THU JUN 23 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN GRANT AND GARFIELD
COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3677 9682 3674 9683 3675 9689 3668 9693
      3670 9704 3668 9706 3660 9704 3659 9706
      3659 9703 3658 9700 3660 9691 3658 9689
      3655 9690 3653 9699 3651 9703 3644 9703
      3639 9746 3674 9746 3678 9731 3678 9679
TIME...MOT...LOC 2200Z 281DEG 13KT 3660 9741 

$$

OKC071-103-232215-
/O.CON.KOUN.SV.W.0521.000000T0000Z-160623T2215Z/
KAY OK-NOBLE OK-
501 PM CDT THU JUN 23 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR SOUTHERN KAY AND NORTHERN NOBLE COUNTIES...

AT 500 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES NORTH OF
BILLINGS...MOVING EAST AT 15 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
PONCA CITY...TONKAWA...BILLINGS...KAW CITY...RED ROCK...MARLAND...
SOUTHWESTERN KAW LAKE...SOONER LAKE...MCCORD AND CERES.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 195 AND 220.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3677 9682 3674 9683 3675 9689 3668 9693
      3670 9704 3668 9706 3660 9704 3659 9706
      3659 9703 3658 9700 3660 9691 3658 9689
      3655 9690 3653 9699 3651 9703 3644 9703
      3639 9746 3674 9746 3678 9731 3678 9679
TIME...MOT...LOC 2200Z 281DEG 13KT 3660 9741 

HAIL...<.75IN
WIND...60MPH
 
$$

11
839 
WWUS54 KOUN 232208
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
508 PM CDT THU JUN 23 2016

OKC071-103-232218-
/O.EXP.KOUN.SV.W.0521.000000T0000Z-160623T2215Z/
KAY OK-NOBLE OK-
508 PM CDT THU JUN 23 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN KAY AND NORTHERN
NOBLE COUNTIES WILL EXPIRE AT 515 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3677 9682 3674 9683 3675 9689 3668 9693
      3670 9704 3668 9706 3660 9704 3659 9706
      3659 9703 3658 9700 3660 9691 3658 9689
      3655 9690 3653 9699 3651 9703 3644 9703
      3639 9746 3674 9746 3678 9731 3678 9679
TIME...MOT...LOC 2205Z 286DEG 17KT 3660 9741 

$$

11

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 2:19 PM CDTSpecial Weather StatementOUNGrant26 min
Jun 23, 2:56 PM CDTSevere Thunderstorm WarningOUNGrant49 min
Jun 23, 3:42 PM CDTSevere Thunderstorm WarningOUNGrant48 min
Jun 23, 3:46 PM CDTSpecial Weather StatementOUNGarfield29 min
Jun 23, 4:22 PM CDTSpecial Weather StatementOUNGarfield23 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2016Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.