Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 115, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 17, 2021, 6:00 PM CDT for Pushmataha County, Oklahoma. It was in force for 60 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
- Jun 17, 2021, 6:00 PM CDT (23:00 UTC)
- Expired
- Jun 17, 2021, 7:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 123 km from the middle of the area, began a volume at 22:59 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
Norman, OK (KOUN), launched 12:00Z, 11.0 hours before the alert went out and 222 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
- 374 J/kg
- Mixed-layer CIN
- -340 J/kg
- Mixed-layer LCL
- 1959 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -78 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
514
WUUS54 KTSA 172300
SVRTSA
OKC127-180000-
/O.NEW.KTSA.SV.W.0115.210617T2300Z-210618T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
600 PM CDT Thu Jun 17 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Eastern Pushmataha County in southeastern Oklahoma...
* Until 700 PM CDT.
* At 600 PM CDT, a severe thunderstorm was located 10 miles east of
Nashoba, moving west 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...
Clayton... Clayton Lake State Park...
Snow... Nashoba...
Kiamichi... Tuskahoma...
Cloudy...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3424 9548 3468 9537 3468 9514 3453 9494
3451 9494 3450 9505 3424 9505 3424 9515
3422 9515
TIME...MOT...LOC 2300Z 103DEG 22KT 3444 9503
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
917
WWUS54 KTSA 172328
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
628 PM CDT Thu Jun 17 2021
OKC127-180000-
/O.CON.KTSA.SV.W.0115.000000T0000Z-210618T0000Z/
Pushmataha OK-
628 PM CDT Thu Jun 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR CENTRAL PUSHMATAHA COUNTY...
At 628 PM CDT, a severe thunderstorm was located near Nashoba, moving
west at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Clayton... Clayton Lake State Park...
Tuskahoma... Snow...
Cloudy... Nashoba...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3463 9538 3463 9523 3447 9511 3426 9509
3424 9515 3422 9515 3424 9548
TIME...MOT...LOC 2328Z 088DEG 19KT 3444 9522
HAIL...1.00IN
WIND...60MPH
$$123
WWUS54 KTSA 180000
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
700 PM CDT Thu Jun 17 2021
OKC127-180010-
/O.EXP.KTSA.SV.W.0115.000000T0000Z-210618T0000Z/
Pushmataha OK-
700 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PUSHMATAHA COUNTY HAS
EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
LAT...LON 3463 9538 3463 9523 3447 9511 3426 9509
3424 9515 3422 9515 3424 9548
TIME...MOT...LOC 0000Z 103DEG 22KT 3448 9545
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 5:38 PM CDT | Special Weather Statement | TSA | LeFlore | 37 min |
| Jun 17, 5:44 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Pushmataha | 27 min |
| Jun 17, 6:58 PM CDT | Special Weather Statement | TSA | Pushmataha | 32 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.