Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 141, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 25, 2021, 5:35 PM CDT for 4 counties in Oklahoma. It was in force for 40 min. 6 reports 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
- Jul 25, 2021, 5:35 PM CDT (22:35 UTC)
- Expired
- Jul 25, 2021, 6:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Osage County, OK, Rogers County, OK, Tulsa County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 45 km from the middle of the area, began a volume at 22:37 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 |
|---|---|---|---|
| Jul 25, 5:50 PM CDT | TSTM WND DMG | 2 Ese Collinsville, OK | 6-12 INCH TREE LIMBS SNAPPED. PICTURE FROM SOCIAL MEDIA. TIME ESTIMATED FROM RADAR. |
| Jul 25, 5:50 PM CDT | TSTM WND DMG | 2 Sse Collinsville, OK | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 2 SSE COLLINSVILLE. REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN - TIME ESTIMATED FORM RADAR. |
| Jul 25, 6:00 PM CDT | TSTM WND DMG | Owasso, OK | PICTURE RELAYED VIA SOCIAL MEDIA OF 6-12 INCH DIAMETER TREE BRANCH BLOWN OVER ONTO CAR. |
| Jul 25, 6:01 PM CDT | TSTM WND DMG | 4 Se Collinsville, OK | LIMBS DOWN, SHINGLES BLOWN OFF ROOFS |
| Jul 25, 6:01 PM CDT | TSTM WND DMG | 4 Sse Collinsville, OK | REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF. |
| Jul 25, 6:19 PM CDT | TSTM WND DMG | 2 Sse Collinsville, OK | REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 10.6 hours before the alert went out and 192 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.
821 WUUS54 KTSA 252235 SVRTSA OKC113-131-143-147-252315- /O.NEW.KTSA.SV.W.0141.210725T2235Z-210725T2315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tulsa OK 535 PM CDT Sun Jul 25 2021 The National Weather Service in Tulsa has issued a * Severe Thunderstorm Warning for... Northwestern Rogers County in northeastern Oklahoma... East central Osage County in northeastern Oklahoma... Southern Washington County in northeastern Oklahoma... Northeastern Tulsa County in northeastern Oklahoma... * Until 615 PM CDT. * At 535 PM CDT, a severe thunderstorm was located over Ramona, moving southeast at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations in or near the path include... Tulsa... Owasso... Skiatook... Collinsville... Sperry... Oologah... Ramona... Ochelata... Avant... Vera... Turley... PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3665 9591 3638 9553 3621 9603 3653 9608 TIME...MOT...LOC 2235Z 320DEG 22KT 3654 9594 HAIL...<.75IN 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, 4:55 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 35 min |
| Jul 25, 5:12 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Rogers, Washington | 33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.