Alert archive / Oklahoma / Tornado Warnings in 2017

Tornado Warning 41, NWS Tulsa, OK

July 3, 2017Okmulgee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Jul 3, 2017, 11:37 PM CDT for Okmulgee County, Oklahoma. It was in force for 18 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: Jul 3, 2017, 11:37 PM CDT (04:37 UTC)
Expired: Jul 3, 2017, 11:55 PM CDT
In force: 18 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Okmulgee County, OK

The radar

The Tulsa radar (KINX), 56 km from the middle of the area, began a volume at 04:41 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
Jul 3, 8:39 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.6 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: 2711 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1254 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 17.0

Open this sounding in Storm Lab

The text

As transmitted.

974 
WFUS54 KTSA 040437
TORTSA
OKC111-040515-
/O.NEW.KTSA.TO.W.0041.170704T0437Z-170704T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
1137 PM CDT MON JUL 3 2017

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Northeastern Okmulgee County in northeastern Oklahoma...

* Until 1215 AM CDT
    
* At 1137 PM CDT, a severe thunderstorm capable of producing a
  tornado was located 4 miles east of Preston, moving east at 40 mph.

  HAZARD...Tornado. 

  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 in or near the path include...
  Okmulgee...                       Bald Hill...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement 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 3575 9597 3576 9577 3572 9576 3572 9571
      3567 9571 3567 9596
TIME...MOT...LOC 0437Z 271DEG 34KT 3571 9592 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

2 follow-up statements

795 
WWUS54 KTSA 040444
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1144 PM CDT MON JUL 3 2017

OKC111-040515-
/O.CON.KTSA.TO.W.0041.000000T0000Z-170704T0515Z/
Okmulgee OK-
1144 PM CDT MON JUL 3 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
NORTHEASTERN OKMULGEE COUNTY...
    
At 1144 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Bald Hill, moving east at 40 mph.

HAZARD...Tornado. 

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 in or near the path include...
Bald Hill...                      

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement 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 3575 9591 3576 9577 3572 9576 3572 9575
      3569 9575 3570 9587
TIME...MOT...LOC 0444Z 269DEG 34KT 3572 9584 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

174 
WWUS54 KTSA 040455
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1155 PM CDT MON JUL 3 2017

OKC111-040505-
/O.CAN.KTSA.TO.W.0041.000000T0000Z-170704T0515Z/
Okmulgee OK-
1155 PM CDT MON JUL 3 2017

...THE TORNADO WARNING FOR NORTHEASTERN OKMULGEE COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

A severe thunderstorm watch remains in effect until 300 AM CDT for
northeastern and east central Oklahoma.

LAT...LON 3575 9591 3576 9577 3572 9576 3572 9575
      3569 9575 3570 9587
TIME...MOT...LOC 0453Z 271DEG 34KT 3572 9571 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 7:33 PM CDT	Special Weather Statement	TSA	Osage	27 min
Jul 3, 7:42 PM CDT	Special Weather Statement	TSA	Osage	33 min
Jul 3, 8:03 PM CDT	Special Weather Statement	TSA	Osage	27 min
Jul 3, 8:13 PM CDT	Areal Flood Advisory	TSA	Osage	3 hr
Jul 3, 8:27 PM CDT	Flash Flood Warning	TSA	Osage	8 hr
Jul 3, 8:30 PM CDT	Special Weather Statement	TSA	Osage	30 min
Jul 3, 8:51 PM CDT	Flash Flood Warning	TSA	Osage	8 hr
Jul 3, 8:55 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	65 min
Jul 3, 9:23 PM CDT	Areal Flood Advisory	TSA	Cherokee	3 hr
Jul 3, 9:39 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	51 min
Jul 3, 10:14 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee, Tulsa	61 min
Jul 3, 10:28 PM CDT	Special Weather Statement	TSA	Tulsa	47 min
Jul 3, 10:38 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	67 min
Jul 3, 10:59 PM CDT	Areal Flood Advisory	TSA	Osage, Pawnee	3 hr
Jul 3, 11:09 PM CDT	Areal Flood Advisory	TSA	Creek, Osage, Pawnee, Tulsa, Wagoner	4 hr
Jul 3, 11:09 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee, Tulsa	51 min
Jul 3, 11:49 PM CDT	Tornado Warning	TSA	Muskogee, Okmulgee, Wagoner	26 min
Jul 4, 12:02 AM CDT	Special Weather Statement	TSA	McIntosh, Muskogee, Wagoner	28 min
Jul 4, 12:04 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, McIntosh, Muskogee, Okmulgee, Wagoner	41 min
Jul 4, 12:46 AM CDT	Special Weather Statement	TSA	Muskogee, Pittsburg	59 min
Jul 4, 1:24 AM CDT	Special Weather Statement	TSA	Haskell, Sequoyah	66 min
Jul 4, 1:29 AM CDT	Special Weather Statement	TSA	Latimer, Pushmataha	61 min
Jul 4, 3:36 AM CDT	Special Weather Statement	TSA	Latimer, Pushmataha	39 min
Jul 4, 3:58 AM CDT	Special Weather Statement	TSA	Latimer	32 min

Nearby

Tornado Warnings in Oklahoma, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.