Alert archive / Oklahoma / Tornado Warnings in 2016

Tornado Warning 10, NWS Norman, OK

April 29, 2016Caddo County, Comanche County, Grady County, Oklahoma

NWS Norman, OK issued this tornado warning at Apr 29, 2016, 3:56 PM CDT for Caddo County, Comanche County, Grady County, Oklahoma. It was in force for 49 min. 5 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: Apr 29, 2016, 3:56 PM CDT (20:56 UTC)
Expired: Apr 29, 2016, 4:45 PM CDT
In force: 49 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Caddo County, OK, Comanche County, OK, Grady County, OK

The radar

The Norman radar (KTLX), 87 km from the middle of the area, began a volume at 20:57 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
Apr 29, 4:11 PM CDT	TORNADO	1 S Ninnekah, OK	UPDATED. AN EF1 TORNADO DEVELOPED AROUND 403 PM 8 MILES WEST-SOUTHWEST OF NINNEKAH AND MOVED EAST-NORTHEAST PASSING JUST SOUTH OF NINNEKAH. THE TORNADO DISSIPATED 4 MILES EAST OF NINNEKAH AT 422 PM SHORTLY AFTER PASSING STATE HIGHWAY 19.
Apr 29, 4:11 PM CDT	TORNADO	1 S Ninnekah, OK
Apr 29, 4:20 PM CDT	TSTM WND GST 60	2 Nnw Ninnekah, OK
Apr 29, 4:25 PM CDT	TSTM WND GST 68	2 Nnw Ninnekah, OK
Apr 29, 4:28 PM CDT	TSTM WND DMG	4 S Ninnekah, OK	4 POWER POLES SNAPPED OFF AT BASE ON HWY81.

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
Apr 29, 1:57 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 8.9 hours before the alert went out and 71 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: 123 J/kg
Mixed-layer CIN: -903 J/kg
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 239 m²/s²
0-3 km storm-relative helicity: 348 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.0

Open this sounding in Storm Lab

The text

As transmitted.

687 
WFUS54 KOUN 292056
TOROUN
OKC015-031-051-292145-
/O.NEW.KOUN.TO.W.0010.160429T2056Z-160429T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
356 PM CDT FRI APR 29 2016

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CADDO COUNTY IN SOUTHWESTERN OKLAHOMA...
  SOUTHERN GRADY COUNTY IN CENTRAL OKLAHOMA...
  NORTHEASTERN COMANCHE COUNTY IN SOUTHWESTERN OKLAHOMA...

* UNTIL 445 PM CDT
    
* AT 355 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED 5 MILES SOUTH OF CEMENT...MOVING EAST AT 30 MPH.

  HAZARD...TORNADO AND GOLF BALL 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...
  RUSH SPRINGS...FLETCHER...CYRIL...ALEX...CEMENT...AGAWAM...NINNEKAH AND
  ACME.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 60 AND 75.
 
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.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

&&

LAT...LON 3477 9822 3492 9824 3503 9776 3476 9774
TIME...MOT...LOC 2055Z 260DEG 24KT 3485 9811 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

03

3 follow-up statements

513 
WWUS54 KOUN 292106
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
406 PM CDT FRI APR 29 2016

OKC015-031-051-292145-
/O.CON.KOUN.TO.W.0010.000000T0000Z-160429T2145Z/
CADDO OK-GRADY OK-COMANCHE OK-
406 PM CDT FRI APR 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
SOUTHEASTERN CADDO...SOUTHERN GRADY AND NORTHEASTERN COMANCHE
COUNTIES...
    
AT 406 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR AGAWAM...MOVING
EAST AT 35 MPH.

HAZARD...DAMAGING TORNADO AND TENNIS BALL SIZE HAIL. 

SOURCE...WEATHER SPOTTERS HAVE CONFIRMED A TORNADO AROUND 6 MILES WEST
         SOUTHWEST OF NINNEKAH. TAKE COVER NOW! 

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...
ALEX...CEMENT...AGAWAM AND NINNEKAH. 

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 65 AND 75.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

&&

LAT...LON 3482 9815 3494 9815 3503 9776 3480 9775
TIME...MOT...LOC 2106Z 250DEG 29KT 3490 9799 

TORNADO...OBSERVED
HAIL...2.50IN

$$

03

688 
WWUS54 KOUN 292111
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
411 PM CDT FRI APR 29 2016

OKC015-031-051-292145-
/O.CON.KOUN.TO.W.0010.000000T0000Z-160429T2145Z/
CADDO OK-GRADY OK-COMANCHE OK-
411 PM CDT FRI APR 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
SOUTHEASTERN CADDO...SOUTHERN GRADY AND NORTHEASTERN COMANCHE
COUNTIES...
    
AT 411 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED NEAR AGAWAM...MOVING EAST AT 20 MPH.

THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...DAMAGING TORNADO. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS MAY 
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES 
         WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...
         BUSINESSES...AND VEHICLES IS LIKELY AND COMPLETE DESTRUCTION 
         IS POSSIBLE. 

LOCATIONS IMPACTED INCLUDE...
ALEX...CEMENT...AGAWAM AND NINNEKAH. 

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 65 AND 75.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

A LARGE AND EXTREMELY DANGEROUS TORNADO IS ON THE GROUND. TAKE
IMMEDIATE TORNADO PRECAUTIONS. THIS IS AN EMERGENCY SITUATION.

&&

LAT...LON 3482 9815 3494 9815 3503 9776 3480 9775
TIME...MOT...LOC 2111Z 254DEG 19KT 3491 9799 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.50IN

$$

03

943 
WWUS54 KOUN 292122
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
422 PM CDT FRI APR 29 2016

OKC015-031-292131-
/O.CAN.KOUN.TO.W.0010.000000T0000Z-160429T2145Z/
CADDO OK-COMANCHE OK-
422 PM CDT FRI APR 29 2016

...THE TORNADO WARNING FOR SOUTHEASTERN CADDO AND NORTHEASTERN
COMANCHE COUNTIES IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3481 9800 3497 9803 3503 9776 3480 9775
TIME...MOT...LOC 2121Z 253DEG 30KT 3495 9786 

$$

OKC051-292145-
/O.CON.KOUN.TO.W.0010.000000T0000Z-160429T2145Z/
GRADY OK-
422 PM CDT FRI APR 29 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR SOUTHERN
GRADY COUNTY...
    
AT 421 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED 5 MILES NORTHWEST OF ALEX...MOVING EAST AT 35 MPH.

THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...DAMAGING TORNADO. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS MAY 
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES 
         WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...
         BUSINESSES...AND VEHICLES IS LIKELY AND COMPLETE DESTRUCTION 
         IS POSSIBLE. 

LOCATIONS IMPACTED INCLUDE...
ALEX...AGAWAM AND NINNEKAH. 

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 73 AND 75.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. IF YOU
CANNOT SAFELY DRIVE AWAY FROM THE TORNADO...AS A LAST RESORT...EITHER
PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN
IN A LOW LYING AREA AND PROTECT YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW!

&&

LAT...LON 3481 9800 3497 9803 3503 9776 3480 9775
TIME...MOT...LOC 2121Z 253DEG 30KT 3495 9786 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.50IN

$$

03

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 7:41 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson	49 min
Apr 28, 10:29 PM CDT	Special Weather Statement	OUN	Roger Mills	31 min
Apr 29, 12:58 AM CDT	Special Weather Statement	OUN	Murray	32 min
Apr 29, 1:27 AM CDT	Special Weather Statement	OUN	Garvin	33 min
Apr 29, 1:42 AM CDT	Special Weather Statement	OUN	Pottawatomie	33 min
Apr 29, 1:46 AM CDT	Special Weather Statement	OUN	Stephens	29 min
Apr 29, 1:58 AM CDT	Special Weather Statement	OUN	Pontotoc	32 min
Apr 29, 2:07 AM CDT	Severe Thunderstorm Warning	OUN	Garvin, Grady, Stephens	41 min
Apr 29, 2:09 AM CDT	Special Weather Statement	OUN	Marshall	36 min
Apr 29, 2:21 AM CDT	Severe Thunderstorm Warning	OUN	Hughes, Pontotoc, Pottawatomie, Seminole	39 min
Apr 29, 2:39 AM CDT	Special Weather Statement	OUN	Love	36 min
Apr 29, 3:03 AM CDT	Special Weather Statement	OUN	Johnston, Marshall	27 min
Apr 29, 3:08 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Johnston, Marshall	37 min
Apr 29, 3:11 AM CDT	Special Weather Statement	OUN	Hughes, Seminole	34 min
Apr 29, 3:20 AM CDT	Severe Thunderstorm Warning	OUN	Hughes	40 min
Apr 29, 3:24 AM CDT	Areal Flood Advisory	OUN	Coal, Hughes, Johnston, Marshall, Pontotoc, Seminole	4 hr
Apr 29, 3:24 AM CDT	Special Weather Statement	OUN	Atoka	36 min
Apr 29, 3:29 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal	21 min
Apr 29, 3:48 AM CDT	Special Weather Statement	OUN	Harper	42 min
Apr 29, 4:18 AM CDT	Special Weather Statement	OUN	Coal	27 min
Apr 29, 4:52 AM CDT	Special Weather Statement	OUN	Atoka	23 min
Apr 29, 8:01 AM CDT	Special Weather Statement	OUN	Beckham	29 min
Apr 29, 8:46 AM CDT	Special Weather Statement	OUN	Custer	44 min
Apr 29, 9:31 AM CDT	Special Weather Statement	OUN	Blaine	44 min
Apr 29, 9:35 AM CDT	Special Weather Statement	OUN	Harper	55 min
Apr 29, 10:17 AM CDT	Special Weather Statement	OUN	Major	43 min
Apr 29, 10:19 AM CDT	Special Weather Statement	OUN	Dewey	41 min
Apr 29, 10:49 AM CDT	Special Weather Statement	OUN	Major	41 min
Apr 29, 11:02 AM CDT	Special Weather Statement	OUN	Grant	43 min
Apr 29, 11:04 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Major, Woods	41 min
Apr 29, 11:38 AM CDT	Special Weather Statement	OUN	Washita	52 min
Apr 29, 11:45 AM CDT	Special Weather Statement	OUN	Major	45 min
Apr 29, 12:15 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	45 min
Apr 29, 12:22 PM CDT	Special Weather Statement	OUN	Garfield	53 min
Apr 29, 12:33 PM CDT	Special Weather Statement	OUN	Garfield	27 min
Apr 29, 12:36 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	39 min
Apr 29, 12:55 PM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	50 min
Apr 29, 1:11 PM CDT	Special Weather Statement	OUN	Garfield	49 min
Apr 29, 1:14 PM CDT	Special Weather Statement	OUN	Jackson	46 min
Apr 29, 1:34 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa, Tillman	56 min
Apr 29, 1:42 PM CDT	Severe Thunderstorm Warning	OUN	Kay	33 min
Apr 29, 1:46 PM CDT	Special Weather Statement	OUN	Kiowa	44 min
Apr 29, 2:15 PM CDT	Severe Thunderstorm Warning	OUN	Kay	15 min
Apr 29, 2:20 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Jackson, Kiowa, Tillman	55 min
Apr 29, 2:29 PM CDT	Special Weather Statement	OUN	Logan, Payne	46 min
Apr 29, 2:31 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Kiowa, Tillman	44 min
Apr 29, 2:54 PM CDT	Special Weather Statement	OUN	Kay	36 min
Apr 29, 3:04 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche	56 min
Apr 29, 3:08 PM CDT	Special Weather Statement	OUN	Kay, Noble	37 min
Apr 29, 3:12 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche	63 min
Apr 29, 3:20 PM CDT	Tornado Warning	OUN	Caddo, Comanche, Grady	40 min
Apr 29, 3:51 PM CDT	Areal Flood Advisory	OUN	Caddo, Comanche, Kiowa, Tillman	3 hr
Apr 29, 4:05 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Grady, Jefferson, Stephens	40 min
Apr 29, 4:09 PM CDT	Areal Flood Advisory	OUN	Caddo, Comanche, Grady, Stephens	51 min
Apr 29, 4:27 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	48 min
Apr 29, 4:29 PM CDT	Tornado Warning	OUN	Cleveland, Grady, McClain	46 min
Apr 29, 4:40 PM CDT	Flash Flood Warning	OUN	Caddo, Cleveland, Grady, McClain	3 hr
Apr 29, 4:43 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Grady, Jefferson, McClain, Stephens	47 min
Apr 29, 5:04 PM CDT	Special Weather Statement	OUN	McClain	41 min
Apr 29, 5:08 PM CDT	Areal Flood Advisory	OUN	Cleveland, McClain	3 hr
Apr 29, 5:09 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Oklahoma, Pottawatomie	51 min
Apr 29, 5:31 PM CDT	Flash Flood Warning	OUN	Bryan	3 hr
Apr 29, 5:39 PM CDT	Special Weather Statement	OUN	Garvin, Pontotoc	66 min
Apr 29, 5:45 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain, Murray, Pontotoc	45 min
Apr 29, 5:48 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Jefferson, Love, Marshall, Murray	57 min
Apr 29, 5:49 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Pottawatomie, Seminole	56 min
Apr 29, 5:55 PM CDT	Special Weather Statement	OUN	Johnston	50 min
Apr 29, 6:00 PM CDT	Areal Flood Advisory	OUN	Cleveland, Garvin, McClain, Pottawatomie, Stephens	2 hr
Apr 29, 6:05 PM CDT	Special Weather Statement	OUN	Atoka, Bryan	55 min
Apr 29, 6:30 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Johnston, Murray, Pontotoc, Pottawatomie, Seminole	45 min
Apr 29, 6:41 PM CDT	Special Weather Statement	OUN	Carter	49 min
Apr 29, 6:49 PM CDT	Flash Flood Warning	OUN	Hughes, Pontotoc, Pottawatomie, Seminole	41 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.