Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 114, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 17, 2021, 5:44 PM CDT for LeFlore County, Pushmataha County, Oklahoma. It was in force for 27 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, 5:44 PM CDT (22:44 UTC)
- Expired
- Jun 17, 2021, 6:11 PM CDT
- In force
- 27 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties LeFlore County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 102 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 233 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.
108
WUUS54 KTSA 172244
SVRTSA
OKC079-127-172345-
/O.NEW.KTSA.SV.W.0114.210617T2244Z-210617T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
544 PM CDT Thu Jun 17 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northeastern Pushmataha County in southeastern Oklahoma...
South central Le Flore County in southeastern Oklahoma...
* Until 645 PM CDT.
* At 544 PM CDT, a severe thunderstorm was located 12 miles west of
Octavia, moving northwest at 10 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...
Honobia...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3451 9515 3467 9497 3452 9477 3451 9478
3451 9504 3445 9505
TIME...MOT...LOC 2244Z 130DEG 10KT 3450 9491
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
716
WWUS54 KTSA 172311
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
611 PM CDT Thu Jun 17 2021
OKC079-127-172320-
/O.CAN.KTSA.SV.W.0114.000000T0000Z-210617T2345Z/
Pushmataha OK-Le Flore OK-
611 PM CDT Thu Jun 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR FAR NORTHEASTERN PUSHMATAHA
AND SOUTH CENTRAL LE FLORE COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 3451 9515 3467 9497 3452 9477 3451 9478
3451 9504 3445 9505
TIME...MOT...LOC 2308Z 130DEG 10KT 3455 9498
$$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, 6:00 PM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 60 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.