Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 784, NWS Norman, OK

September 10, 20165 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Sep 10, 2016, 12:22 AM CDT for 5 counties in Oklahoma. It was in force for 38 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: Sep 10, 2016, 12:22 AM CDT (05:22 UTC)
Expired: Sep 10, 2016, 1:00 AM CDT
In force: 38 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cleveland County, OK, Garvin County, OK, McClain County, OK, Pontotoc County, OK, Pottawatomie County, OK

The radar

The Norman radar (KTLX), 52 km from the middle of the area, began a volume at 05:25 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 00:00Z, 5.4 hours before the alert went out and 48 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: 1913 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1712 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 9.7

Open this sounding in Storm Lab

The text

As transmitted.

966 
WUUS54 KOUN 100522
SVROUN
OKC027-049-087-123-125-100600-
/O.NEW.KOUN.SV.W.0784.160910T0522Z-160910T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
1222 AM CDT SAT SEP 10 2016

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MCCLAIN COUNTY IN CENTRAL OKLAHOMA...
  NORTHWESTERN PONTOTOC COUNTY IN EAST CENTRAL OKLAHOMA...
  SOUTHWESTERN POTTAWATOMIE COUNTY IN CENTRAL OKLAHOMA...
  SOUTHEASTERN CLEVELAND COUNTY IN CENTRAL OKLAHOMA...
  NORTHEASTERN GARVIN COUNTY IN SOUTHERN OKLAHOMA...

* UNTIL 100 AM CDT

* AT 1222 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 4 MILES NORTH OF
  ROSEDALE...MOVING SOUTH AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  PURCELL...SLAUGHTERVILLE...LEXINGTON...WAYNE...PAOLI...ASHER...
  TRIBBEY...WANETTE...BYARS...ST. LOUIS...ETOWAH...ROSEDALE...
  BROOKSVILLE...MACOMB AND TROUSDALE.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 77 AND 96.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3477 9707 3479 9735 3508 9739 3522 9699
      3492 9677 3490 9678 3490 9676
TIME...MOT...LOC 0522Z 341DEG 12KT 3498 9718 

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

MAD

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 9, 7:06 PM CDT	Areal Flood Advisory	OUN	Harper	114 min
Sep 9, 7:11 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Woods, Woodward	49 min
Sep 9, 7:16 PM CDT	Special Weather Statement	OUN	Woodward	29 min
Sep 9, 7:23 PM CDT	Special Weather Statement	OUN	Woods	37 min
Sep 9, 7:34 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Woods, Woodward	26 min
Sep 9, 7:38 PM CDT	Special Weather Statement	OUN	Ellis	37 min
Sep 9, 7:41 PM CDT	Special Weather Statement	OUN	Ellis	34 min
Sep 9, 7:47 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant, Woods	43 min
Sep 9, 7:52 PM CDT	Special Weather Statement	OUN	Blaine	23 min
Sep 9, 7:57 PM CDT	Flash Flood Warning	OUN	Harper, Woods, Woodward	3 hr
Sep 9, 7:59 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Ellis, Harper, Major, Woods, Woodward	46 min
Sep 9, 8:13 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian	47 min
Sep 9, 8:24 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant, Kay, Major, Woods	51 min
Sep 9, 8:29 PM CDT	Special Weather Statement	OUN	Blaine, Major	46 min
Sep 9, 8:40 PM CDT	Areal Flood Advisory	OUN	Woodward	3 hr
Sep 9, 8:44 PM CDT	Special Weather Statement	OUN	Dewey, Ellis, Major, Woodward	31 min
Sep 9, 9:11 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Garfield, Grant, Kay, Kingfisher and 4 more	49 min
Sep 9, 9:16 PM CDT	Special Weather Statement	OUN	Blaine, Custer, Dewey, Roger Mills	29 min
Sep 9, 9:47 PM CDT	Special Weather Statement	OUN	Beckham, Blaine, Canadian, Custer, Dewey, Roger Mills	28 min
Sep 9, 9:50 PM CDT	Special Weather Statement	OUN	Kay	25 min
Sep 9, 9:56 PM CDT	Areal Flood Advisory	OUN	Blaine, Custer, Dewey, Ellis, Roger Mills	3 hr
Sep 9, 9:59 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Garfield, Kingfisher, Lincoln, Logan and 3 more	46 min
Sep 9, 10:14 PM CDT	Special Weather Statement	OUN	Beckham, Blaine, Canadian, Custer, Roger Mills, Washita	31 min
Sep 9, 10:29 PM CDT	Special Weather Statement	OUN	Beckham, Caddo, Canadian, Greer, Kiowa, Washita	46 min
Sep 9, 10:42 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Lincoln, Logan, McClain, Oklahoma and 3 more	33 min
Sep 9, 10:56 PM CDT	Special Weather Statement	OUN	Comanche, Grady, McClain	34 min
Sep 9, 11:15 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Cleveland, Comanche, Garvin, Grady, Hughes and 7 more	45 min
Sep 9, 11:17 PM CDT	Areal Flood Advisory	OUN	Beckham, Custer, Roger Mills, Washita	3 hr
Sep 9, 11:19 PM CDT	Special Weather Statement	OUN	Beckham, Caddo, Comanche, Greer, Harmon, Jackson and 3 more	41 min
Sep 9, 11:32 PM CDT	Areal Flood Advisory	OUN	Oklahoma	3 hr
Sep 9, 11:56 PM CDT	Special Weather Statement	OUN	Coal, Garvin, Hughes, McClain, Murray, Pontotoc and 3 more	64 min
Sep 9, 11:59 PM CDT	Special Weather Statement	OUN	Comanche, Cotton, Harmon, Jackson, Tillman	61 min
Sep 10, 12:11 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Cotton, Grady, Greer, Jackson and 4 more	49 min
Sep 10, 1:00 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Jackson, Jefferson, Tillman	45 min
Sep 10, 1:03 AM CDT	Special Weather Statement	OUN	Atoka, Carter, Coal, Garvin, Jefferson, Johnston and 3 more	42 min
Sep 10, 1:39 AM CDT	Special Weather Statement	OUN	Atoka, Bryan, Carter, Coal, Jefferson, Johnston and 3 more	66 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2016 Every 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.