Alert archive / Oklahoma / Tornado Warnings in 2019
Tornado Warning 21, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Apr 30, 2019, 4:56 PM CDT for Delaware County, Ottawa County, Oklahoma. It was in force for 19 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, 4:56 PM CDT (21:56 UTC)
- Expired
- Apr 30, 2019, 5:15 PM CDT
- In force
- 19 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Delaware County, OK, Ottawa County, OK
The radar
The Tulsa radar (KINX), 93 km from the middle of the area, began a volume at 21:58 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.
| 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, 9.9 hours before the alert went out and 84 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.
101
WFUS54 KTSA 302156
TORTSA
OKC041-115-302215-
/O.NEW.KTSA.TO.W.0021.190430T2156Z-190430T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
456 PM CDT Tue Apr 30 2019
The National Weather Service in Tulsa has issued a
* Tornado Warning for...
Northeastern Delaware County in northeastern Oklahoma...
Southeastern Ottawa County in northeastern Oklahoma...
* Until 515 PM CDT.
* At 456 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles east of Grove, moving east at 30 mph.
HAZARD...Tornado and quarter 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...
Grove... Dodge...
Cayuga...
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 3653 9462 3651 9470 3668 9478 3676 9462
TIME...MOT...LOC 2156Z 248DEG 27KT 3663 9466
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$1 follow-up statement
897
WWUS54 KTSA 302208
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
508 PM CDT Tue Apr 30 2019
OKC041-115-302217-
/O.EXP.KTSA.TO.W.0021.000000T0000Z-190430T2215Z/
Delaware OK-Ottawa OK-
508 PM CDT Tue Apr 30 2019
...THE TORNADO WARNING FOR NORTHEASTERN DELAWARE AND SOUTHEASTERN
OTTAWA COUNTIES WILL EXPIRE AT 515 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.
A Tornado Watch remains in effect until 1100 PM CDT for northeastern
Oklahoma.
LAT...LON 3653 9462 3651 9470 3668 9478 3676 9462
TIME...MOT...LOC 2207Z 248DEG 27KT 3666 9458
$$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, 1:06 PM CDT | Severe Thunderstorm Warning | TSA | Delaware, Ottawa | 39 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, 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
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.