Alert archive / Oklahoma / Tornado Warnings in 2017

Tornado Warning 37, NWS Tulsa, OK

May 27, 2017Craig County, Ottawa County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 27, 2017, 5:25 PM CDT for Craig County, Ottawa County, Oklahoma. It was in force for 35 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 27, 2017, 5:25 PM CDT (22:25 UTC)
Expired
May 27, 2017, 6:00 PM CDT
In force
35 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Craig County, OK, Ottawa County, OK

The radar

The Tulsa radar (KINX), 108 km from the middle of the area, began a volume at 22:23 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

TimeReportWhereRemark
May 27, 5:40 PM CDTHAIL 1.75Miami, OK
May 27, 5:46 PM CDTHAIL 0.886 W Miami, OK

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.

IssuedProductOfficeLasted
May 27, 4:01 PM CDTTornado WatchSPC10 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.4 hours before the alert went out and 89 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-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2017-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3187 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2017-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
3187 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
766 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
1.8
Supercell composite
9.6

Open this sounding in Storm Lab

The text

As transmitted.

498 
WFUS54 KTSA 272225
TORTSA
OKC035-115-272300-
/O.NEW.KTSA.TO.W.0037.170527T2225Z-170527T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
525 PM CDT SAT MAY 27 2017

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Northeastern Craig County in northeastern Oklahoma...
  Northern Ottawa County in northeastern Oklahoma...

* Until 600 PM CDT
    
* At 525 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 5 miles northeast of Welch, moving east at 45 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 in or near the path include...
  Miami...                          Commerce...
  Quapaw...                         Picher...
  Peoria...                         Cardin...

This includes Interstate 44 between mile markers 308 and 324.
 
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 3686 9462 3686 9508 3698 9509 3700 9476
      3700 9462
TIME...MOT...LOC 2225Z 269DEG 39KT 3691 9501 

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

$$
3 follow-up statements
287 
WWUS54 KTSA 272233
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
533 PM CDT SAT MAY 27 2017

OKC035-272243-
/O.CAN.KTSA.TO.W.0037.000000T0000Z-170527T2300Z/
Craig OK-
533 PM CDT SAT MAY 27 2017

...THE TORNADO WARNING FOR NORTHEASTERN CRAIG COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area therefore the warning has been cancelled.

A tornado watch remains in effect until midnight CDT for northeastern
Oklahoma.

LAT...LON 3686 9462 3688 9500 3694 9500 3695 9499
      3696 9502 3698 9502 3700 9476 3700 9462
TIME...MOT...LOC 2233Z 267DEG 26KT 3693 9495 

$$

OKC115-272300-
/O.CON.KTSA.TO.W.0037.000000T0000Z-170527T2300Z/
Ottawa OK-
533 PM CDT SAT MAY 27 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTHERN
OTTAWA COUNTY...
    
At 533 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles west of Commerce, 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 in or near the path include...
Miami...                          Commerce...
Quapaw...                         Picher...
Peoria...                         Cardin...

This includes Interstate 44 between mile markers 309 and 324.
 
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 3686 9462 3688 9500 3694 9500 3695 9499
      3696 9502 3698 9502 3700 9476 3700 9462
TIME...MOT...LOC 2233Z 267DEG 26KT 3693 9495 

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

$$
121 
WWUS54 KTSA 272243
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
543 PM CDT SAT MAY 27 2017

OKC115-272300-
/O.CON.KTSA.TO.W.0037.000000T0000Z-170527T2300Z/
Ottawa OK-
543 PM CDT SAT MAY 27 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
NORTHEASTERN OTTAWA COUNTY...
    
At 543 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Commerce, 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 in or near the path include...
Miami...                          Commerce...
Quapaw...                         Picher...
Peoria...                         Cardin...

This includes Interstate 44 between mile markers 310 and 324.
 
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 3686 9462 3688 9488 3693 9490 3699 9488
      3700 9476 3700 9462
TIME...MOT...LOC 2243Z 266DEG 33KT 3693 9483 

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

$$
919 
WWUS54 KTSA 272254
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
554 PM CDT SAT MAY 27 2017

OKC115-272304-
/O.EXP.KTSA.TO.W.0037.000000T0000Z-170527T2300Z/
Ottawa OK-
554 PM CDT SAT MAY 27 2017

...THE TORNADO WARNING FOR NORTHEASTERN OTTAWA COUNTY WILL EXPIRE AT
600 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.  

A tornado watch remains in effect until midnight CDT for northeastern
Oklahoma.

LAT...LON 3686 9462 3688 9488 3693 9490 3699 9488
      3700 9476 3700 9462
TIME...MOT...LOC 2254Z 269DEG 39KT 3693 9470 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 10:25 PM CDTSpecial Weather StatementTSAMuskogee50 min
May 26, 10:32 PM CDTSpecial Weather StatementTSAMcIntosh43 min
May 27, 2:47 PM CDTFlood WatchTSAAdair, Cherokee, Choctaw, Haskell, Latimer, McIntosh and 4 more14 hr
May 27, 5:17 PM CDTSevere Thunderstorm WarningTSACraig, Ottawa43 min
May 27, 5:36 PM CDTSevere Thunderstorm WarningTSACraig, Ottawa54 min
May 27, 5:56 PM CDTSevere Thunderstorm WarningTSACraig, Ottawa34 min
May 27, 6:14 PM CDTAreal Flood AdvisoryTSACraig, Ottawa3 hr
May 27, 6:16 PM CDTSevere Thunderstorm WarningTSAOsage, Washington44 min
May 27, 6:30 PM CDTSevere Thunderstorm WarningTSAOttawa45 min
May 27, 6:58 PM CDTSevere Thunderstorm WarningTSANowata, Washington62 min

Nearby

Tornado Warnings in Oklahoma, 2017Every tornado warning in 2017Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.