Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 139, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 25, 2021, 4:55 PM CDT for Osage County, Washington County, Oklahoma. It was in force for 35 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
- Jul 25, 2021, 4:55 PM CDT (21:55 UTC)
- Expired
- Jul 25, 2021, 5:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Osage County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 80 km from the middle of the area, began a volume at 21:56 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.9 hours before the alert went out and 211 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
- 2314 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 992 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
315
WUUS54 KTSA 252155
SVRTSA
OKC113-147-252230-
/O.NEW.KTSA.SV.W.0139.210725T2155Z-210725T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
455 PM CDT Sun Jul 25 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
East central Osage County in northeastern Oklahoma...
West central Washington County in northeastern Oklahoma...
* Until 530 PM CDT.
* At 455 PM CDT, a severe thunderstorm was located near Osage Hills
State Park, moving southeast at 20 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...
Bartlesville... Barnsdall...
Osage Hills State Park... Okesa...
Bartlesville Municipal Airport... Tallant...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3672 9631 3687 9612 3672 9589 3652 9616
TIME...MOT...LOC 2155Z 312DEG 26KT 3676 9614
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 3:02 PM CDT | Heat Advisory | TSA | Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more | 29 hr |
| Jul 25, 3:59 PM CDT | Special Weather Statement | TSA | Craig | 31 min |
| Jul 25, 4:14 PM CDT | Special Weather Statement | TSA | Nowata | 31 min |
| Jul 25, 4:17 PM CDT | Special Weather Statement | TSA | Osage | 28 min |
| Jul 25, 4:35 PM CDT | Special Weather Statement | TSA | Osage | 25 min |
| Jul 25, 5:12 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Rogers, Washington | 33 min |
| Jul 25, 5:35 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Rogers, Tulsa, Washington | 40 min |
| Jul 25, 5:54 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa, Wagoner | 31 min |
| Jul 25, 6:02 PM CDT | Special Weather Statement | TSA | Creek, Okmulgee | 43 min |
| Jul 25, 6:24 PM CDT | Special Weather Statement | TSA | Tulsa, Wagoner | 51 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2021Every severe thunderstorm warning in 2021
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.