Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 48, NWS Tulsa, OK

April 30, 20194 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 30, 2019, 2:59 PM CDT for 4 counties in Oklahoma. It was in force for 46 min. 3 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 30, 2019, 2:59 PM CDT (19:59 UTC)
Expired
Apr 30, 2019, 3:45 PM CDT
In force
46 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Cherokee County, OK, Mayes County, OK, Rogers County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 37 km from the middle of the area, began a volume at 20:02 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
Apr 30, 3:07 PM CDTTORNADO2 Nw Wagoner, OKSTORM CHASER REPORTED A TORNADO NORTHWEST OF WAGONER.
Apr 30, 3:08 PM CDTTORNADO6 N Wagoner, OKAMATEUR RADIO OPERATOR REPORTED A TORNADO 6 MILES NORTH OF WAGONER NORTH OF 714 ROAD.
Apr 30, 3:51 PM CDTTORNADO2 S Salina, OKTORNADO OCCURRED OVER LAKE HUDSON. MULTIPLE WITNESSES.

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
Apr 30, 12:02 PM CDTTornado WatchSPC13 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.0 hours before the alert went out and 148 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.

754 
WUUS54 KTSA 301959
SVRTSA
OKC021-097-131-145-302045-
/O.NEW.KTSA.SV.W.0048.190430T1959Z-190430T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
259 PM CDT Tue Apr 30 2019

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  South central Rogers County in northeastern Oklahoma...
  Southern Mayes County in northeastern Oklahoma...
  Northeastern Wagoner County in northeastern Oklahoma...
  Northwestern Cherokee County in east central Oklahoma...

* Until 345 PM CDT.

* At 259 PM CDT, a severe thunderstorm was located 7 miles south of
  Inola, moving northeast at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations in or near the path include...
  Wagoner...                        Chouteau...
  Inola...                          Locust Grove...
  Salina...                         Peggs...
  Sportsmen Acres Community...      Mazie...
  Murphy...                         Snowdale State Park...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

&&

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

LAT...LON 3617 9501 3616 9501 3616 9500 3611 9497
      3592 9550 3608 9561 3635 9513
TIME...MOT...LOC 1959Z 241DEG 24KT 3604 9548 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

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, 11:34 AM CDTTornado WarningTSAOsage, Washington41 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, 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

Severe Thunderstorm Warnings in Oklahoma, 2019Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.