Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 49, NWS Tulsa, OK

April 30, 2019Craig County, Nowata County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 30, 2019, 6:01 PM CDT for Craig County, Nowata County, Oklahoma. It was in force for 44 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, 6:01 PM CDT (23:01 UTC)
Expired
Apr 30, 2019, 6:45 PM CDT
In force
44 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Craig County, OK, Nowata County, OK

The radar

The Tulsa radar (KINX), 73 km from the middle of the area, began a volume at 23:03 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.

IssuedProductOfficeLasted
Apr 30, 12:02 PM CDTTornado WatchSPC13 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.0 hours before the alert went out and 142 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.

849 
WUUS54 KTSA 302301
SVRTSA
OKC035-105-302345-
/O.NEW.KTSA.SV.W.0049.190430T2301Z-190430T2345Z/

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

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Northern Craig County in northeastern Oklahoma...
  Central Nowata County in northeastern Oklahoma...

* Until 645 PM CDT.

* At 600 PM CDT, a severe thunderstorm was located over Nowata,
  moving northeast at 35 mph.

  HAZARD...60 mph wind gusts and half dollar 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...
  Nowata...                         Delaware...
  Watova...                         Hollow...
  Centralia...                      Centrailia...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

&&

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

LAT...LON 3690 9507 3660 9560 3660 9565 3672 9577
      3700 9542 3700 9518
TIME...MOT...LOC 2300Z 229DEG 30KT 3670 9563 

HAIL...1.25IN
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, 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, 6:15 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.