Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 148, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 1, 2021, 6:53 PM CDT for Latimer County, Pittsburg County, Oklahoma. It was in force for 25 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
- Sep 1, 2021, 6:53 PM CDT (23:53 UTC)
- Expired
- Sep 1, 2021, 7:18 PM CDT
- In force
- 25 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Latimer County, OK, Pittsburg County, OK
The radar
The Western Arkansas radar (KSRX), 115 km from the middle of the area, began a volume at 23:55 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, 11.9 hours before the alert went out and 272 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
- 553 J/kg
- Mixed-layer CIN
- -141 J/kg
- Mixed-layer LCL
- 880 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
172 WUUS54 KTSA 012353 SVRTSA OKC077-121-020030- /O.NEW.KTSA.SV.W.0148.210901T2353Z-210902T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tulsa OK 653 PM CDT Wed Sep 1 2021 The National Weather Service in Tulsa has issued a * Severe Thunderstorm Warning for... West central Latimer County in southeastern Oklahoma... Southeastern Pittsburg County in southeastern Oklahoma... * Until 730 PM CDT. * At 652 PM CDT, a severe thunderstorm was located 3 miles northeast of Hartshorne, moving west at 10 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations in or near the path include... Hartshorne... Haileyville... Gowen... Dow... Bache... PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3499 9548 3482 9542 3474 9559 3496 9569 TIME...MOT...LOC 2352Z 072DEG 7KT 3489 9553 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Lacy
2 follow-up statements
868 WWUS54 KTSA 020004 SVSTSA Severe Weather Statement National Weather Service Tulsa OK 704 PM CDT Wed Sep 1 2021 OKC077-121-020030- /O.CON.KTSA.SV.W.0148.000000T0000Z-210902T0030Z/ Latimer OK-Pittsburg OK- 704 PM CDT Wed Sep 1 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR WEST CENTRAL LATIMER AND SOUTHEASTERN PITTSBURG COUNTIES... At 704 PM CDT, a severe thunderstorm was located 3 miles northeast of Hartshorne, moving southwest at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations in or near the path include... Hartshorne... Haileyville... Gowen... Dow... PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3482 9542 3474 9559 3491 9562 3497 9547 TIME...MOT...LOC 0004Z 026DEG 6KT 3487 9552 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Lacy
558
WWUS54 KTSA 020018
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
718 PM CDT Wed Sep 1 2021
OKC077-121-020028-
/O.CAN.KTSA.SV.W.0148.000000T0000Z-210902T0030Z/
Latimer OK-Pittsburg OK-
718 PM CDT Wed Sep 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL LATIMER AND
SOUTHEASTERN PITTSBURG COUNTIES IS CANCELLED...
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 cancelled.
LAT...LON 3482 9542 3474 9559 3491 9562 3497 9547
TIME...MOT...LOC 0017Z 072DEG 7KT 3486 9555
$$
LacyThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 5:43 PM CDT | Special Weather Statement | TSA | Latimer | 32 min |
| Sep 1, 6:05 PM CDT | Special Weather Statement | TSA | Latimer | 25 min |
| Sep 1, 6:16 PM CDT | Special Weather Statement | TSA | Latimer | 29 min |
| Sep 1, 6:26 PM CDT | Special Weather Statement | TSA | Latimer | 34 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.