Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 46, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 30, 2019, 1:06 PM CDT for Delaware County, Ottawa County, Oklahoma. It was in force for 39 min. 1 report 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, 1:06 PM CDT (18:06 UTC)
- Expired
- Apr 30, 2019, 1:45 PM CDT
- In force
- 39 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Delaware County, OK, Ottawa County, OK
The radar
The Tulsa radar (KINX), 95 km from the middle of the area, began a volume at 18:08 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 30, 1:10 PM CDT | HAIL 1.25 | 5 Nw Grove, 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 30, 12:02 PM CDT | Tornado Watch | SPC | 13 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.1 hours before the alert went out and 88 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.
- 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
The text
As transmitted.
195
WUUS54 KTSA 301806
SVRTSA
OKC041-115-301845-
/O.NEW.KTSA.SV.W.0046.190430T1806Z-190430T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
106 PM CDT Tue Apr 30 2019
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northwestern Delaware County in northeastern Oklahoma...
Eastern Ottawa County in northeastern Oklahoma...
* Until 145 PM CDT.
* At 105 PM CDT, a severe thunderstorm was located over Bernice,
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...
Grove... Fairland...
Bernice... Wyandotte...
Cleora... Honey Creek State Park...
Bernice State Park... Ottawa...
Cayuga... Peoria...
Zena... Twin Bridges State Park...
This includes Interstate 44 between mile markers 318 and 322.
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
Oklahoma.
LAT...LON 3696 9462 3666 9462 3647 9487 3658 9501
3663 9500 3699 9466
TIME...MOT...LOC 1805Z 222DEG 25KT 3660 9489
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
275
WWUS54 KTSA 301820
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
120 PM CDT Tue Apr 30 2019
OKC041-115-301845-
/O.CON.KTSA.SV.W.0046.000000T0000Z-190430T1845Z/
Delaware OK-Ottawa OK-
120 PM CDT Tue Apr 30 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT
FOR NORTH CENTRAL DELAWARE AND EASTERN OTTAWA COUNTIES...
At 120 PM CDT, a severe thunderstorm was located 5 miles southeast of
Fairland, moving northeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Fairland... Wyandotte...
Ottawa... Cayuga...
Peoria... Twin Bridges State Park...
This includes Interstate 44 between mile markers 318 and 320.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
&&
A Tornado Watch remains in effect until 1100 PM CDT for northeastern
Oklahoma.
LAT...LON 3662 9468 3668 9494 3684 9481 3697 9468
3692 9462 3666 9462
TIME...MOT...LOC 1820Z 222DEG 25KT 3668 9480
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$240
WWUS54 KTSA 301842
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
142 PM CDT Tue Apr 30 2019
OKC041-115-301852-
/O.EXP.KTSA.SV.W.0046.000000T0000Z-190430T1845Z/
Delaware OK-Ottawa OK-
142 PM CDT Tue Apr 30 2019
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL DELAWARE AND
EASTERN OTTAWA COUNTIES WILL EXPIRE AT 145 PM CDT...
The storm which prompted the warning is moving 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 3662 9468 3668 9494 3684 9481 3697 9468
3692 9462 3666 9462
TIME...MOT...LOC 1842Z 222DEG 25KT 3679 9468
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 7:06 AM CDT | Special Weather Statement | TSA | Osage | 24 min |
| Apr 30, 7:28 AM CDT | Special Weather Statement | TSA | Osage | 32 min |
| Apr 30, 9:16 AM CDT | River Flood Warning | TSA | Creek | 38 hr |
| Apr 30, 9:16 AM CDT | River Flood Warning | TSA | Osage, Tulsa | 41 hr |
| Apr 30, 9:16 AM CDT | River Flood Warning | TSA | Rogers, Tulsa | 48 hr |
| Apr 30, 9:21 AM CDT | River Flood Warning | TSA | Adair, Delaware | 48 hr |
| Apr 30, 9:21 AM CDT | River Flood Warning | TSA | Cherokee | 70 hr |
| Apr 30, 9:25 AM CDT | River Flood Warning | TSA | LeFlore | 34 hr |
| Apr 30, 9:25 AM CDT | River Flood Warning | TSA | LeFlore | 4 days |
| Apr 30, 9:34 AM CDT | River Flood Advisory | TSA | Adair, Cherokee, Delaware | 23 hr |
| Apr 30, 9:34 AM CDT | River Flood Advisory | TSA | Cherokee, Delaware | 31 hr |
| Apr 30, 9:56 AM CDT | River Flood Warning | TSA | Ottawa | 21 days |
| Apr 30, 11:27 AM CDT | Special Weather Statement | TSA | Osage | 33 min |
| Apr 30, 11:34 AM CDT | Tornado Warning | TSA | Osage, Washington | 41 min |
| Apr 30, 11:56 AM CDT | Special Weather Statement | TSA | Nowata | 49 min |
| Apr 30, 12:02 PM CDT | Tornado Warning | TSA | Craig, Nowata | 43 min |
| Apr 30, 12:27 PM CDT | Tornado Warning | TSA | Creek, Osage, Pawnee, Tulsa | 48 min |
| Apr 30, 12:44 PM CDT | Tornado Warning | TSA | Craig | 16 min |
| Apr 30, 1:19 PM CDT | Special Weather Statement | TSA | Okmulgee | 26 min |
| Apr 30, 1:32 PM CDT | Areal Flood Advisory | TSA | Creek, Osage, Pawnee | 4 hr |
| Apr 30, 1:35 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Pawnee, Washington | 40 min |
| Apr 30, 1:47 PM CDT | Tornado Warning | TSA | Osage, Washington | 43 min |
| Apr 30, 1:56 PM CDT | Flash Flood Warning | TSA | Creek, Osage, Pawnee | 6 hr |
| Apr 30, 2:14 PM CDT | Tornado Warning | TSA | Mayes, Muskogee, Okmulgee, Rogers, Wagoner | 46 min |
| Apr 30, 2:25 PM CDT | River Flood Warning | TSA | Pushmataha | 72 hr |
| Apr 30, 2:30 PM CDT | Tornado Warning | TSA | Nowata, Rogers, Washington | 45 min |
| Apr 30, 2:52 PM CDT | Tornado Warning | TSA | Craig, Nowata, Rogers | 53 min |
| Apr 30, 2:59 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes, Rogers, Wagoner | 46 min |
| Apr 30, 3:05 PM CDT | Tornado Warning | TSA | Craig, Nowata | 25 min |
| Apr 30, 3:07 PM CDT | Tornado Warning | TSA | Mayes, Wagoner | 38 min |
| Apr 30, 3:11 PM CDT | Tornado Warning | TSA | Adair, Cherokee | 49 min |
| Apr 30, 3:43 PM CDT | Tornado Warning | TSA | Craig, Ottawa | 47 min |
| Apr 30, 3:50 PM CDT | Flash Flood Warning | TSA | Craig, Nowata, Osage, Rogers, Tulsa, Washington | 6 hr |
| Apr 30, 3:51 PM CDT | Tornado Warning | TSA | Adair, Delaware | 39 min |
| Apr 30, 3:58 PM CDT | Tornado Warning | TSA | Adair | 47 min |
| Apr 30, 4:26 PM CDT | Tornado Warning | TSA | Ottawa | 49 min |
| Apr 30, 4:56 PM CDT | Tornado Warning | TSA | Delaware, Ottawa | 19 min |
| Apr 30, 5:05 PM CDT | Tornado Warning | TSA | Craig, Delaware, Mayes, Ottawa | 40 min |
| Apr 30, 5:27 PM CDT | Areal Flood Advisory | TSA | Ottawa | 2 hr |
| Apr 30, 5:33 PM CDT | Areal Flood Advisory | TSA | Craig, Mayes, Rogers | 117 min |
| Apr 30, 5:43 PM CDT | Tornado Warning | TSA | Delaware, Ottawa | 32 min |
| Apr 30, 6:01 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 44 min |
| Apr 30, 6:15 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 30 min |
| Apr 30, 6:18 PM CDT | Flash Flood Warning | TSA | Craig, Delaware, Mayes, Ottawa | 6 hr |
| Apr 30, 6:20 PM CDT | Areal Flood Advisory | TSA | Creek, Rogers, Tulsa, Wagoner | 3 hr |
| Apr 30, 6:21 PM CDT | Special Weather Statement | TSA | Rogers | 39 min |
| Apr 30, 6:24 PM CDT | Special Weather Statement | TSA | Tulsa | 51 min |
| Apr 30, 6:43 PM CDT | Tornado Warning | TSA | Ottawa | 32 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.