Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 310, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 10, 2020, 6:22 PM CDT for Osage County, Oklahoma. It was in force for 38 min. 2 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
- Aug 10, 2020, 6:22 PM CDT (23:22 UTC)
- Expired
- Aug 10, 2020, 7:00 PM CDT
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Osage County, OK
The radar
The Tulsa radar (KINX), 111 km from the middle of the area, began a volume at 23:24 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 |
|---|---|---|---|
| Aug 10, 6:25 PM CDT | TSTM WND DMG | Shidler, OK | TREE BLOWN OVER ON TO A HOME. PER SOCIAL MEDIA POST. |
| Aug 10, 7:05 PM CDT | TSTM WND DMG | Pawhuska, OK | NUMEROUS TREE LIMBS DOWN. PER SOCIAL MEDIA REPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 11.4 hours before the alert went out and 194 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
- 664 J/kg
- Mixed-layer CIN
- -306 J/kg
- Mixed-layer LCL
- 1561 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 272 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
114
WUUS54 KTSA 102322
SVRTSA
OKC113-110000-
/O.NEW.KTSA.SV.W.0310.200810T2322Z-200811T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
622 PM CDT Mon Aug 10 2020
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northern Osage County in northeastern Oklahoma...
* Until 700 PM CDT.
* At 622 PM CDT, severe thunderstorms were located along a line
extending from 7 miles north of Foraker to 3 miles west of Burbank,
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...
Pawhuska... Fairfax...
Shidler... Burbank...
Foraker... Bigheart...
Pearsonia... Sunset Lake...
Webb City... Wah Sha She State Park...
Apperson...
LAT...LON 3700 9600 3648 9644 3664 9692 3678 9678
3678 9675 3681 9675 3700 9656
TIME...MOT...LOC 2322Z 269DEG 24KT 3697 9653 3670 9680
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
651
WWUS54 KTSA 102348
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
648 PM CDT Mon Aug 10 2020
OKC113-110000-
/O.CON.KTSA.SV.W.0310.000000T0000Z-200811T0000Z/
Osage OK-
648 PM CDT Mon Aug 10 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHEASTERN OSAGE COUNTY...
At 648 PM CDT, severe thunderstorms were located along a line
extending from 7 miles northeast of Foraker to 6 miles northeast of
Fairfax, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Pawhuska... Foraker...
Bigheart... Pearsonia...
Sunset Lake... Wah Sha She State Park...
LAT...LON 3700 9600 3648 9644 3660 9674 3670 9668
3680 9663 3699 9646
TIME...MOT...LOC 2348Z 288DEG 20KT 3692 9643 3664 9663
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 2:55 PM CDT | Special Weather Statement | TSA | Osage | 35 min |
| Aug 10, 3:26 PM CDT | Special Weather Statement | TSA | Nowata, Washington | 49 min |
| Aug 10, 3:38 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Washington | 52 min |
| Aug 10, 4:55 PM CDT | Special Weather Statement | TSA | Craig, Ottawa | 50 min |
| Aug 10, 5:53 PM CDT | Special Weather Statement | TSA | Osage | 67 min |
| Aug 10, 6:57 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 48 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2020Every severe thunderstorm warning in 2020
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.