Alert archive / Oklahoma / Tornado Warnings in 2019

Tornado Warning 2, NWS Tulsa, OK

April 30, 2019Osage County, Washington County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 30, 2019, 11:34 AM CDT for Osage County, Washington County, Oklahoma. It was in force for 41 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
Apr 30, 2019, 11:34 AM CDT (16:34 UTC)
Expired
Apr 30, 2019, 12:15 PM CDT
In force
41 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Osage County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 100 km from the middle of the area, began a volume at 16:34 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 4.6 hours before the alert went out and 214 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 2019-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1237 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 2019-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.19395878Sfc1 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
1237 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

303 
WFUS54 KTSA 301634
TORTSA
OKC113-147-301715-
/O.NEW.KTSA.TO.W.0002.190430T1634Z-190430T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
1134 AM CDT Tue Apr 30 2019

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Northeastern Osage County in northeastern Oklahoma...
  Northwestern Washington County in northeastern Oklahoma...

* Until 1215 PM CDT.
    
* At 1134 AM CDT, a severe thunderstorm capable of producing a
  tornado was located near Pearsonia, moving northeast 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...
  Elgin...                          Bigheart...
  Pearsonia...                      Hulah...
  Wah Sha She State Park...         

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 3700 9587 3670 9641 3684 9655 3700 9633
TIME...MOT...LOC 1634Z 231DEG 34KT 3682 9641 

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

$$
2 follow-up statements
968 
WWUS54 KTSA 301651
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1151 AM CDT Tue Apr 30 2019

OKC147-301700-
/O.CAN.KTSA.TO.W.0002.000000T0000Z-190430T1715Z/
Washington OK-
1151 AM CDT Tue Apr 30 2019

...THE TORNADO WARNING FOR NORTHWESTERN WASHINGTON COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning will remain 
west out of the warned area. Therefore the warning has been 
cancelled.

LAT...LON 3681 9628 3689 9648 3690 9647 3700 9633
      3700 9613
TIME...MOT...LOC 1650Z 204DEG 24KT 3692 9635 

$$

OKC113-301715-
/O.CON.KTSA.TO.W.0002.000000T0000Z-190430T1715Z/
Osage OK-
1151 AM CDT Tue Apr 30 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT FOR NORTH
CENTRAL OSAGE COUNTY...
    
At 1150 AM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles southwest of Elgin, moving northeast at 25 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...
Elgin...                          

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 3681 9628 3689 9648 3690 9647 3700 9633
      3700 9613
TIME...MOT...LOC 1650Z 204DEG 24KT 3692 9635 

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

$$
461 
WWUS54 KTSA 301706
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1206 PM CDT Tue Apr 30 2019

OKC113-301715-
/O.EXP.KTSA.TO.W.0002.000000T0000Z-190430T1715Z/
Osage OK-
1206 PM CDT Tue Apr 30 2019

...THE TORNADO WARNING FOR NORTH CENTRAL OSAGE COUNTY WILL EXPIRE AT
1215 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A Tornado Watch remains in effect until 1100 PM CDT for northeastern
Oklahoma.

LAT...LON 3681 9628 3689 9648 3690 9647 3700 9633
      3700 9613
TIME...MOT...LOC 1705Z 206DEG 22KT 3700 9629 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 7:06 AM CDTSpecial Weather StatementTSAOsage24 min
Apr 30, 7:28 AM CDTSpecial Weather StatementTSAOsage32 min
Apr 30, 9:16 AM CDTRiver Flood WarningTSACreek38 hr
Apr 30, 9:16 AM CDTRiver Flood WarningTSAOsage, Tulsa41 hr
Apr 30, 9:16 AM CDTRiver Flood WarningTSARogers, Tulsa48 hr
Apr 30, 9:21 AM CDTRiver Flood WarningTSAAdair, Delaware48 hr
Apr 30, 9:21 AM CDTRiver Flood WarningTSACherokee70 hr
Apr 30, 9:25 AM CDTRiver Flood WarningTSALeFlore34 hr
Apr 30, 9:25 AM CDTRiver Flood WarningTSALeFlore4 days
Apr 30, 9:34 AM CDTRiver Flood AdvisoryTSAAdair, Cherokee, Delaware23 hr
Apr 30, 9:34 AM CDTRiver Flood AdvisoryTSACherokee, Delaware31 hr
Apr 30, 9:56 AM CDTRiver Flood WarningTSAOttawa21 days
Apr 30, 11:27 AM CDTSpecial Weather StatementTSAOsage33 min
Apr 30, 11:56 AM CDTSpecial Weather StatementTSANowata49 min
Apr 30, 12:02 PM CDTTornado WarningTSACraig, Nowata43 min
Apr 30, 12:27 PM CDTTornado WarningTSACreek, Osage, Pawnee, Tulsa48 min
Apr 30, 12:44 PM CDTTornado WarningTSACraig16 min
Apr 30, 1:06 PM CDTSevere Thunderstorm WarningTSADelaware, Ottawa39 min
Apr 30, 1:19 PM CDTSpecial Weather StatementTSAOkmulgee26 min
Apr 30, 1:32 PM CDTAreal Flood AdvisoryTSACreek, Osage, Pawnee4 hr
Apr 30, 1:35 PM CDTSevere Thunderstorm WarningTSANowata, Osage, Pawnee, Washington40 min
Apr 30, 1:47 PM CDTTornado WarningTSAOsage, Washington43 min
Apr 30, 1:56 PM CDTFlash Flood WarningTSACreek, Osage, Pawnee6 hr
Apr 30, 2:14 PM CDTTornado WarningTSAMayes, Muskogee, Okmulgee, Rogers, Wagoner46 min
Apr 30, 2:25 PM CDTRiver Flood WarningTSAPushmataha72 hr
Apr 30, 2:30 PM CDTTornado WarningTSANowata, Rogers, Washington45 min
Apr 30, 2:52 PM CDTTornado Warning Tornado observedConsiderable damage threatTSACraig, Nowata, Rogers53 min
Apr 30, 2:59 PM CDTSevere Thunderstorm WarningTSACherokee, Mayes, Rogers, Wagoner46 min
Apr 30, 3:05 PM CDTTornado WarningTSACraig, Nowata25 min
Apr 30, 3:07 PM CDTTornado WarningTSAMayes, Wagoner38 min
Apr 30, 3:11 PM CDTTornado WarningTSAAdair, Cherokee49 min
Apr 30, 3:43 PM CDTTornado WarningTSACraig, Ottawa47 min
Apr 30, 3:50 PM CDTFlash Flood WarningTSACraig, Nowata, Osage, Rogers, Tulsa, Washington6 hr
Apr 30, 3:51 PM CDTTornado WarningTSAAdair, Delaware39 min
Apr 30, 3:58 PM CDTTornado WarningTSAAdair47 min
Apr 30, 4:26 PM CDTTornado WarningTSAOttawa49 min
Apr 30, 4:56 PM CDTTornado WarningTSADelaware, Ottawa19 min
Apr 30, 5:05 PM CDTTornado WarningTSACraig, Delaware, Mayes, Ottawa40 min
Apr 30, 5:27 PM CDTAreal Flood AdvisoryTSAOttawa2 hr
Apr 30, 5:33 PM CDTAreal Flood AdvisoryTSACraig, Mayes, Rogers117 min
Apr 30, 5:43 PM CDTTornado WarningTSADelaware, Ottawa32 min
Apr 30, 6:01 PM CDTSevere Thunderstorm WarningTSACraig, Nowata44 min
Apr 30, 6:15 PM CDTSevere Thunderstorm WarningTSAOttawa30 min
Apr 30, 6:18 PM CDTFlash Flood WarningTSACraig, Delaware, Mayes, Ottawa6 hr
Apr 30, 6:20 PM CDTAreal Flood AdvisoryTSACreek, Rogers, Tulsa, Wagoner3 hr
Apr 30, 6:21 PM CDTSpecial Weather StatementTSARogers39 min
Apr 30, 6:24 PM CDTSpecial Weather StatementTSATulsa51 min
Apr 30, 6:43 PM CDTTornado WarningTSAOttawa32 min

Nearby

Tornado Warnings in Oklahoma, 2019Every tornado warning in 2019Tornadoes in 2019

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.