Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 21, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 11, 2020, 4:53 AM CDT for Adair County, Cherokee County, Oklahoma. It was in force for 37 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
- Mar 11, 2020, 4:53 AM CDT (09:53 UTC)
- Expired
- Mar 11, 2020, 5:30 AM CDT
- In force
- 37 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Adair County, OK, Cherokee County, OK
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 9.9 hours before the alert went out and 143 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1734 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
408
WUUS54 KTSA 110953
SVRTSA
OKC001-021-111030-
/O.NEW.KTSA.SV.W.0021.200311T0953Z-200311T1030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
453 AM CDT Wed Mar 11 2020
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Central Adair County in northeastern Oklahoma...
East central Cherokee County in east central Oklahoma...
* Until 530 AM CDT.
* At 452 AM CDT, a severe thunderstorm was located 5 miles north of
Cherokee Landing State Park, moving east at 45 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations in or near the path include...
Tahlequah... Stilwell...
Westville... Adair State Park...
Christie... Baron...
Maryetta...
LAT...LON 3579 9495 3588 9498 3601 9454 3584 9450
3582 9450
TIME...MOT...LOC 0952Z 257DEG 38KT 3584 9491
HAIL...1.00IN
WIND...<50MPH
$$2 follow-up statements
121
WWUS54 KTSA 111005
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
505 AM CDT Wed Mar 11 2020
OKC021-111014-
/O.CAN.KTSA.SV.W.0021.000000T0000Z-200311T1030Z/
Cherokee OK-
505 AM CDT Wed Mar 11 2020
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CHEROKEE COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area therefore the warning has been cancelled.
LAT...LON 3581 9481 3590 9481 3590 9480 3593 9480
3601 9454 3590 9451 3582 9451
TIME...MOT...LOC 1004Z 257DEG 37KT 3585 9477
$$
OKC001-111030-
/O.CON.KTSA.SV.W.0021.000000T0000Z-200311T1030Z/
Adair OK-
505 AM CDT Wed Mar 11 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 AM CDT
FOR CENTRAL ADAIR COUNTY...
At 504 AM CDT, a severe thunderstorm was located 6 miles west of
Maryetta, moving east at 45 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations in or near the path include...
Stilwell... Westville...
Adair State Park... Christie...
Baron... Maryetta...
LAT...LON 3581 9481 3590 9481 3590 9480 3593 9480
3601 9454 3590 9451 3582 9451
TIME...MOT...LOC 1004Z 257DEG 37KT 3585 9477
HAIL...1.00IN
WIND...<50MPH
$$002
WWUS54 KTSA 111026
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
526 AM CDT Wed Mar 11 2020
OKC001-111035-
/O.EXP.KTSA.SV.W.0021.000000T0000Z-200311T1030Z/
Adair OK-
526 AM CDT Wed Mar 11 2020
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ADAIR COUNTY WILL
EXPIRE AT 530 AM CDT...
The storm which prompted the warning will move out of the area and
weaken, therefore the warning will be allowed to expire. However
small hail is still possible with this thunderstorm.
LAT...LON 3581 9481 3590 9481 3590 9480 3593 9480
3601 9454 3590 9451 3582 9451
TIME...MOT...LOC 1025Z 257DEG 38KT 3590 9453
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 4:33 AM CDT | Special Weather Statement | TSA | Cherokee | 27 min |
| Mar 11, 4:44 AM CDT | Special Weather Statement | TSA | Ottawa | 46 min |
| Mar 11, 4:51 AM CDT | Special Weather Statement | TSA | Adair | 24 min |
| Mar 11, 5:03 AM CDT | Special Weather Statement | TSA | Craig, Ottawa | 27 min |
| Mar 11, 5:07 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Ottawa | 53 min |
| Mar 11, 1:46 PM CDT | River Flood Warning | TSA | Ottawa | 37 hr |
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; the sounding from the Mesonet's radiosonde archive.