Alert archive / Oklahoma / Tornado Warnings in 2018

Tornado Warning 6, NWS Norman, OK

May 2, 2018Comanche County, Cotton County, Tillman County, Oklahoma

NWS Norman, OK issued this tornado warning at May 2, 2018, 6:47 PM CDT for Comanche County, Cotton County, Tillman County, Oklahoma. It was in force for 28 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: May 2, 2018, 6:47 PM CDT (23:47 UTC)
Expired: May 2, 2018, 7:15 PM CDT
In force: 28 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Radar indicated
Damage threat: Considerable
Hail: 1.75 in

Counties Comanche County, OK, Cotton County, OK, Tillman County, OK

The radar

The Altus AFB radar (KFDR), 29 km from the middle of the area, began a volume at 23:50 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 2, 12:59 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.8 hours before the alert went out and 152 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: 517 J/kg
Mixed-layer CIN: -198 J/kg
Mixed-layer LCL: 695 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

079 
WFUS54 KOUN 022347
TOROUN
OKC031-033-141-030015-
/O.NEW.KOUN.TO.W.0006.180502T2347Z-180503T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Norman OK
647 PM CDT WED MAY 2 2018

The National Weather Service in Norman has issued a

* Tornado Warning for...
  South central Comanche County in southwestern Oklahoma...
  Northwestern Cotton County in southwestern Oklahoma...
  Southeastern Tillman County in southwestern Oklahoma...

* Until 715 PM CDT
    
* At 647 PM CDT, a large and extremely dangerous tornado was located
  near Loveland, moving east at 40 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! 

  HAZARD...Damaging tornado. 

  SOURCE...Radar indicated rotation. 

  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...
  Grandfield, Chattanooga, Faxon, Loveland and Cookietown. 

This includes Interstate 44 between mile markers 11 and 31.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, an extremely dangerous and potentially deadly tornado is
developing. To protect your life, 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 you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3424 9885 3439 9887 3452 9841 3423 9834
TIME...MOT...LOC 2347Z 266DEG 33KT 3432 9881 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

BRB

3 follow-up statements

622 
WWUS54 KOUN 022353
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
653 PM CDT WED MAY 2 2018

OKC031-033-141-030015-
/O.CON.KOUN.TO.W.0006.000000T0000Z-180503T0015Z/
Comanche OK-Cotton OK-Tillman OK-
653 PM CDT WED MAY 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTH
CENTRAL COMANCHE...NORTHWESTERN COTTON AND SOUTHEASTERN TILLMAN
COUNTIES...
        
At 653 PM CDT, a confirmed large and extremely dangerous tornado was
located over Loveland, moving east at 20 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Radar 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...
Grandfield, Chattanooga, Faxon, Loveland and Cookietown. 

This includes Interstate 44 between mile markers 11 and 31.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, an extremely dangerous and potentially deadly tornado is
on the ground. To protect your life, 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 you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3424 9885 3439 9887 3452 9841 3423 9834
TIME...MOT...LOC 2353Z 290DEG 19KT 3430 9878 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

BRB

689 
WWUS54 KOUN 030001
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
701 PM CDT WED MAY 2 2018

OKC031-033-141-030015-
/O.CON.KOUN.TO.W.0006.000000T0000Z-180503T0015Z/
Comanche OK-Cotton OK-Tillman OK-
701 PM CDT WED MAY 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTH
CENTRAL COMANCHE...NORTHWESTERN COTTON AND SOUTHEASTERN TILLMAN
COUNTIES...
    
At 700 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles east of Loveland, moving east at 40 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...
Grandfield, Chattanooga, Faxon, Loveland and Cookietown. 
 
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 you
are outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.

&&

LAT...LON 3424 9885 3439 9887 3452 9841 3423 9834
TIME...MOT...LOC 0000Z 266DEG 33KT 3430 9869 

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

$$

BRB

009 
WWUS54 KOUN 030008
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
708 PM CDT WED MAY 2 2018

OKC031-033-141-030015-
/O.CON.KOUN.TO.W.0006.000000T0000Z-180503T0015Z/
Comanche OK-Cotton OK-Tillman OK-
708 PM CDT WED MAY 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTH
CENTRAL COMANCHE...NORTHWESTERN COTTON AND SOUTHEASTERN TILLMAN
COUNTIES...
    
At 708 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles northeast of Loveland, moving east at 15 mph.

HAZARD...Tornado, straight lines winds to 80 mph, and ping pong 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...
Grandfield, Chattanooga, Faxon, Loveland and Cookietown. 

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 you
are outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.

&&

LAT...LON 3424 9880 3440 9883 3452 9841 3423 9834
TIME...MOT...LOC 0008Z 273DEG 14KT 3434 9870 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

BRB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 2, 2:36 PM CDT	Special Weather Statement	OUN	Beckham	24 min
May 2, 2:39 PM CDT	Special Weather Statement	OUN	Harmon	21 min
May 2, 2:46 PM CDT	Special Weather Statement	OUN	Harper	29 min
May 2, 2:52 PM CDT	Severe Thunderstorm Warning	OUN	Harper	19 min
May 2, 2:54 PM CDT	Severe Thunderstorm Warning	OUN	Harmon	51 min
May 2, 3:08 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Roger Mills	52 min
May 2, 3:16 PM CDT	Special Weather Statement	OUN	Harper	44 min
May 2, 3:20 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon	25 min
May 2, 3:24 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson	36 min
May 2, 3:39 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Roger Mills	51 min
May 2, 3:48 PM CDT	Special Weather Statement	OUN	Harmon	27 min
May 2, 3:55 PM CDT	Special Weather Statement	OUN	Harper	65 min
May 2, 3:55 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Kiowa, Washita	50 min
May 2, 4:04 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson, Kiowa	41 min
May 2, 4:10 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey, Roger Mills	50 min
May 2, 4:23 PM CDT	Tornado Warning	OUN	Greer, Kiowa	39 min
May 2, 4:27 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	48 min
May 2, 4:42 PM CDT	Severe Thunderstorm Warning	OUN	Harper, Woods	31 min
May 2, 4:43 PM CDT	Severe Thunderstorm Warning	OUN	Jackson	47 min
May 2, 4:56 PM CDT	Severe Thunderstorm Warning	OUN	Kiowa, Washita	49 min
May 2, 4:59 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer, Dewey	46 min
May 2, 5:14 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Jackson, Kiowa, Tillman	46 min
May 2, 5:15 PM CDT	Tornado Warning	OUN	Caddo, Kiowa, Washita	45 min
May 2, 5:29 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	46 min
May 2, 5:35 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Jackson, Kiowa	29 min
May 2, 5:57 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Grady	48 min
May 2, 5:58 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Kiowa, Tillman	62 min
May 2, 6:00 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Garfield, Kingfisher, Major, Noble	45 min
May 2, 6:01 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Kiowa, Washita	44 min
May 2, 6:15 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	45 min
May 2, 6:18 PM CDT	Severe Thunderstorm Warning	OUN	Caddo	42 min
May 2, 6:23 PM CDT	Tornado Warning	OUN	Tillman	37 min
May 2, 6:36 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	39 min
May 2, 6:43 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Grady	47 min
May 2, 6:44 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Noble	35 min
May 2, 6:58 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche	47 min

Nearby

Tornado Warnings in Oklahoma, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.