Alert archive / Oklahoma / Tornado Warnings in 2016

Tornado Warning 35, NWS Norman, OK

May 23, 2016Cotton County, Jefferson County, Stephens County, Oklahoma

NWS Norman, OK issued this tornado warning at May 23, 2016, 1:58 AM CDT for Cotton County, Jefferson County, Stephens 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: May 23, 2016, 1:58 AM CDT (06:58 UTC)
Expired: May 23, 2016, 2:30 AM CDT
In force: 32 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Cotton County, OK, Jefferson County, OK, Stephens County, OK

The radar

The Altus AFB radar (KFDR), 80 km from the middle of the area, began a volume at 07:00 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 23, 2:07 AM CDT	TSTM WND DMG	5 Sse Walters, OK	NUMEROUS REPORTS OF TREE DAMAGE. SEVERAL POWER POLES DOWN. MINOR ROOF DAMAGE TO HOMES. SMALL STRUCTURES SUCH AS STORAGE SHEDS DAMAGED/DESTROYED. TIME ESTIMATED BASED ON RADAR.
May 23, 2:10 AM CDT	TSTM WND GST 100	Temple, OK	RELAYED BY COUNTY DEPUTIES TO HAM RADIO NET CONTROL.

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 22, 8:48 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 7.0 hours before the alert went out and 123 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: 1204 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1060 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted.

355 
WFUS54 KOUN 230658
TOROUN
OKC033-067-137-230730-
/O.NEW.KOUN.TO.W.0035.160523T0658Z-160523T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
158 AM CDT MON MAY 23 2016

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL COTTON COUNTY IN SOUTHWESTERN OKLAHOMA...
  NORTHWESTERN JEFFERSON COUNTY IN SOUTHERN OKLAHOMA...
  SOUTHWESTERN STEPHENS COUNTY IN SOUTHERN OKLAHOMA...

* UNTIL 230 AM CDT
    
* AT 158 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED NEAR TEMPLE...MOVING EAST AT 45 MPH.

  HAZARD...TORNADO AND QUARTER 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...
  WALTERS...COMANCHE...TEMPLE...HASTINGS...ADDINGTON...CORUM AND WAURIKA
  LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A STORM SHELTER...SAFE ROOM OR AN INTERIOR
ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A
MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

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

&&

LAT...LON 3419 9839 3434 9840 3442 9785 3431 9780
      3421 9783
TIME...MOT...LOC 0658Z 264DEG 40KT 3429 9829 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

MAHALE

1 follow-up statement

734 
WWUS54 KOUN 230708
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
208 AM CDT MON MAY 23 2016

OKC033-067-137-230730-
/O.CON.KOUN.TO.W.0035.000000T0000Z-160523T0730Z/
COTTON OK-JEFFERSON OK-STEPHENS OK-
208 AM CDT MON MAY 23 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR EAST
CENTRAL COTTON...NORTHWESTERN JEFFERSON AND SOUTHWESTERN STEPHENS
COUNTIES...
    
AT 208 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR TEMPLE...MOVING EAST AT 35 MPH.

HAZARD...TORNADO AND QUARTER 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...
COMANCHE...TEMPLE...HASTINGS...ADDINGTON...CORUM AND WAURIKA LAKE. 

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 3419 9830 3435 9830 3442 9785 3431 9780
      3421 9783
TIME...MOT...LOC 0708Z 267DEG 30KT 3430 9821 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

MAHALE

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 8:32 PM CDT	Special Weather Statement	OUN	Beckham, Ellis, Harmon, Harper, Roger Mills	58 min
May 22, 9:27 PM CDT	Severe Thunderstorm Warning	OUN	Harmon	48 min
May 22, 10:09 PM CDT	Areal Flood Advisory	OUN	Beckham, Greer, Harmon	4 hr
May 22, 10:09 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson	18 min
May 22, 10:20 PM CDT	Severe Thunderstorm Warning	OUN	Harmon	40 min
May 22, 10:42 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Jackson	48 min
May 22, 10:55 PM CDT	Flash Flood Warning	OUN	Harmon	5 hr
May 22, 11:03 PM CDT	Tornado Warning	OUN	Greer, Jackson	27 min
May 22, 11:07 PM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson	38 min
May 22, 11:09 PM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson	51 min
May 22, 11:10 PM CDT	Special Weather Statement	OUN	Roger Mills	50 min
May 22, 11:13 PM CDT	Special Weather Statement	OUN	Alfalfa	62 min
May 22, 11:17 PM CDT	Special Weather Statement	OUN	Caddo	28 min
May 22, 11:25 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Jackson, Kiowa	35 min
May 22, 11:50 PM CDT	Wind Advisory	OUN	Alfalfa, Beckham, Blaine, Caddo, Custer, Dewey and 7 more	3 hr
May 23, 12:05 AM CDT	Flash Flood Warning	OUN	Harmon, Jackson	3 hr
May 23, 12:11 AM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	49 min
May 23, 12:17 AM CDT	Severe Thunderstorm Warning	OUN	Jackson	43 min
May 23, 12:37 AM CDT	Flash Flood Warning	OUN	Jackson, Tillman	6 hr
May 23, 12:39 AM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa, Tillman	51 min
May 23, 12:54 AM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	51 min
May 23, 1:41 AM CDT	Areal Flood Advisory	OUN	Comanche, Cotton, Tillman	3 hr
May 23, 1:43 AM CDT	Severe Thunderstorm Warning	OUN	Cotton, Jefferson, Stephens, Tillman	47 min
May 23, 1:51 AM CDT	Special Weather Statement	OUN	Cleveland, McClain	24 min
May 23, 2:01 AM CDT	Severe Thunderstorm Warning	OUN	Harmon, Jackson	44 min
May 23, 2:26 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Murray, Stephens	49 min
May 23, 2:28 AM CDT	Areal Flood Advisory	OUN	Caddo, Carter, Comanche, Cotton, Garvin, Grady and 3 more	3 hr
May 23, 2:29 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Jefferson, Love, Stephens	46 min
May 23, 2:42 AM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	48 min
May 23, 3:06 AM CDT	Areal Flood Advisory	OUN	Jefferson	3 hr
May 23, 3:14 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Jefferson, Johnston, Love, Marshall and 2 more	46 min
May 23, 3:19 AM CDT	Severe Thunderstorm Warning	OUN	Tillman	25 min
May 23, 3:58 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Carter, Coal, Johnston, Love and 2 more	47 min
May 23, 4:22 AM CDT	Flood Watch	OUN	Beckham, Caddo, Comanche, Cotton, Grady, Greer and 7 more	40 hr
May 23, 4:53 AM CDT	Special Weather Statement	OUN	Atoka, Bryan	52 min
May 23, 7:44 AM CDT	Special Weather Statement	OUN	Cleveland, Oklahoma, Pottawatomie	46 min
May 23, 8:01 AM CDT	Special Weather Statement	OUN	Jefferson	29 min
May 23, 9:47 AM CDT	River Flood Warning	OUN	Cotton, Jefferson, Tillman	3 days
May 23, 9:47 AM CDT	River Flood Warning	OUN	Love	5 days
May 23, 9:48 AM CDT	River Flood Warning	OUN	Cotton	4 days
May 23, 11:08 AM CDT	Special Weather Statement	OUN	Johnston	37 min
May 23, 11:10 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Marshall	31 min
May 23, 12:32 PM CDT	Special Weather Statement	OUN	Bryan	28 min
May 23, 1:03 PM CDT	Special Weather Statement	OUN	Bryan	27 min
May 23, 1:47 PM CDT	Special Weather Statement	OUN	Garfield	28 min
May 23, 2:40 PM CDT	Special Weather Statement	OUN	Noble	35 min
May 23, 4:48 PM CDT	Special Weather Statement	OUN	Payne	27 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; radar from the NEXRAD Level II archive.