Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 310, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 9, 2023, 6:55 PM CDT for Delaware County, Ottawa County, Oklahoma. It was in force for 37 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
- Aug 9, 2023, 6:55 PM CDT (23:55 UTC)
- Expired
- Aug 9, 2023, 7:32 PM CDT
- In force
- 37 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Delaware County, OK, Ottawa County, OK
The radar
The Tulsa radar (KINX), 91 km from the middle of the area, began a volume at 23:55 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 |
|---|---|---|---|
| Aug 9, 4:04 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 11.9 hours before the alert went out and 89 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
- 187 J/kg
- Mixed-layer CIN
- -232 J/kg
- Mixed-layer LCL
- 1559 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
879
WUUS54 KTSA 092355
SVRTSA
OKC041-115-100045-
/O.NEW.KTSA.SV.W.0310.230809T2355Z-230810T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
655 PM CDT Wed Aug 9 2023
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northern Delaware County in northeastern Oklahoma...
Southeastern Ottawa County in northeastern Oklahoma...
* Until 745 PM CDT.
* At 655 PM CDT, a severe thunderstorm was located 3 miles northeast
of Bernice State Park, moving east 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... Bernice State Park...
Cleora... Honey Creek State Park...
This includes Interstate 44 between mile markers 298 and 300.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for northeastern
Oklahoma.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Tulsa.
&&
LAT...LON 3674 9462 3650 9462 3657 9498 3676 9491
TIME...MOT...LOC 2355Z 280DEG 25KT 3665 9485
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$2 follow-up statements
834
WWUS54 KTSA 100011
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
711 PM CDT Wed Aug 9 2023
OKC041-115-100045-
/O.CON.KTSA.SV.W.0310.000000T0000Z-230810T0045Z/
Delaware OK-Ottawa OK-
711 PM CDT Wed Aug 9 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN DELAWARE AND SOUTHEASTERN OTTAWA COUNTIES...
At 711 PM CDT, a severe thunderstorm was located 3 miles northeast of
Grove, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Grove... Honey Creek State Park...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for northeastern
Oklahoma.
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tulsa.
&&
LAT...LON 3674 9462 3650 9462 3656 9491 3675 9480
TIME...MOT...LOC 0011Z 281DEG 25KT 3662 9472
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$505
WWUS54 KTSA 100032
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
732 PM CDT Wed Aug 9 2023
OKC041-115-100042-
/O.CAN.KTSA.SV.W.0310.000000T0000Z-230810T0045Z/
Delaware OK-Ottawa OK-
732 PM CDT Wed Aug 9 2023
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DELAWARE AND
SOUTHEASTERN OTTAWA COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. However hail is still
possible with this thunderstorm.
A Tornado Watch remains in effect until 1000 PM CDT for northeastern
Oklahoma.
LAT...LON 3674 9462 3650 9462 3656 9491 3675 9480
TIME...MOT...LOC 0030Z 280DEG 25KT 3659 9454
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 2:57 AM CDT | Heat Advisory | TSA | Choctaw, McIntosh, Pittsburg, Pushmataha | 17 hr |
| Aug 9, 5:25 AM CDT | Special Weather Statement | TSA | Ottawa | 50 min |
| Aug 9, 4:45 PM CDT | Special Weather Statement | TSA | Craig | 30 min |
| Aug 9, 5:11 PM CDT | Special Weather Statement | TSA | Craig | 34 min |
| Aug 9, 5:12 PM CDT | Special Weather Statement | TSA | Osage | 33 min |
| Aug 9, 5:29 PM CDT | Special Weather Statement | TSA | Washington | 31 min |
| Aug 9, 5:36 PM CDT | Special Weather Statement | TSA | Ottawa | 39 min |
| Aug 9, 5:42 PM CDT | Special Weather Statement | TSA | Craig | 33 min |
| Aug 9, 5:43 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 36 min |
| Aug 9, 6:01 PM CDT | Special Weather Statement | TSA | Nowata | 29 min |
| Aug 9, 6:11 PM CDT | Special Weather Statement | TSA | Ottawa | 34 min |
| Aug 9, 6:14 PM CDT | Special Weather Statement | TSA | Craig | 31 min |
| Aug 9, 6:19 PM CDT | Areal Flood Advisory | TSA | Craig, Nowata, Ottawa | 116 min |
| Aug 9, 6:21 PM CDT | Special Weather Statement | TSA | Craig | 24 min |
| Aug 9, 6:31 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers, Washington | 44 min |
| Aug 9, 6:42 PM CDT | Special Weather Statement | TSA | Craig | 33 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2023Every severe thunderstorm warning in 2023
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.