Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 13, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Feb 18, 2013, 1:35 PM CST for Adair County, Cherokee County, Oklahoma; Washington County, Arkansas. 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
- Feb 18, 2013, 1:35 PM CST (19:35 UTC)
- Expired
- Feb 18, 2013, 2:00 PM CST
- In force
- 25 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Washington County, AR, Adair County, OK, Cherokee County, OK
The radar
The Western Arkansas radar (KSRX), 74 km from the middle of the area, began a volume at 19:36 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, 7.6 hours before the alert went out and 134 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
- 1166 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 442 m²/s²
- 0-3 km storm-relative helicity
- 402 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
279 WUUS54 KTSA 181935 SVRTSA ARC143-OKC001-021-182000- /O.NEW.KTSA.SV.W.0013.130218T1935Z-130218T2000Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 135 PM CST MON FEB 18 2013 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA CENTRAL ADAIR COUNTY IN NORTHEAST OKLAHOMA WESTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS * UNTIL 200 PM CST * AT 132 PM CST...A SEVERE THUNDERSTORM WAS LOCATED 13 MILES WEST OF MARIETTA...MOVING EAST AT 40 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... WIND GUSTS TO 60 MPH... * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... MARIETTA...CHRISTIE...STILWELL...ADAIR STATE PARK...BARON AND WESTVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTDOORS SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS AND DOORS UNTIL THE STORM HAS PASSED. && LAT...LON 3604 9448 3584 9445 3577 9492 3587 9497 TIME...MOT...LOC 1935Z 256DEG 36KT 3584 9486 $$
2 follow-up statements
719 WWUS54 KTSA 181940 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 140 PM CST MON FEB 18 2013 ARC143-OKC001-021-182000- /O.CON.KTSA.SV.W.0013.000000T0000Z-130218T2000Z/ WASHINGTON AR-CHEROKEE OK-ADAIR OK- 140 PM CST MON FEB 18 2013 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CST FOR CENTRAL ADAIR...EASTERN CHEROKEE AND WESTERN WASHINGTON COUNTIES... AT 136 PM CST...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES WEST OF MARIETTA...MOVING EAST AT 40 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... WIND GUSTS TO 60 MPH... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... MARIETTA...ADAIR STATE PARK...BARON...SUMMERS AND WESTVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTDOORS SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS AND DOORS UNTIL THE STORM HAS PASSED. && LAT...LON 3580 9487 3588 9487 3604 9448 3584 9445 TIME...MOT...LOC 1940Z 256DEG 36KT 3585 9480 $$
185 WWUS54 KTSA 181950 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 150 PM CST MON FEB 18 2013 OKC021-182000- /O.CAN.KTSA.SV.W.0013.000000T0000Z-130218T2000Z/ CHEROKEE OK- 150 PM CST MON FEB 18 2013 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CHEROKEE COUNTY IS CANCELLED... LAT...LON 3581 9474 3589 9471 3604 9448 3584 9445 TIME...MOT...LOC 1950Z 256DEG 36KT 3586 9466 $$ ARC143-OKC001-182000- /O.CON.KTSA.SV.W.0013.000000T0000Z-130218T2000Z/ WASHINGTON AR-ADAIR OK- 150 PM CST MON FEB 18 2013 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CST FOR CENTRAL ADAIR AND WESTERN WASHINGTON COUNTIES... AT 148 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR MARIETTA... MOVING EAST AT 40 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... WIND GUSTS TO 60 MPH... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ADAIR STATE PARK...BARON AND SUMMERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTDOORS SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS AND DOORS UNTIL THE STORM HAS PASSED. && LAT...LON 3581 9474 3589 9471 3604 9448 3584 9445 TIME...MOT...LOC 1950Z 256DEG 36KT 3586 9466 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 9:55 AM CST | Wind Advisory | TSA | Adair, Cherokee, Craig, Creek, Delaware, Haskell and 14 more | 8 hr |
| Feb 18, 12:59 PM CST | Special Weather Statement | TSA | Cherokee | 31 min |
| Feb 18, 1:00 PM CST | Special Weather Statement | TSA | Haskell | 30 min |
| Feb 18, 1:20 PM CST | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Haskell, Muskogee, Sequoyah | 40 min |
| Feb 18, 1:27 PM CST | Special Weather Statement | TSA | LeFlore | 33 min |
| Feb 18, 1:38 PM CST | Special Weather Statement | TSA | Haskell, Latimer | 37 min |
| Feb 18, 1:46 PM CST | Special Weather Statement | TSA | Adair, Sequoyah | 59 min |
| Feb 18, 1:56 PM CST | Severe Thunderstorm Warning | TSA | Sequoyah | 49 min |
| Feb 18, 1:59 PM CST | Severe Thunderstorm Warning | TSA | Latimer, LeFlore | 46 min |
| Feb 18, 2:18 PM CST | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 42 min |
| Feb 18, 12:32 PM CST | Special Weather Statement | TSA | Benton | 58 min |
| Feb 18, 2:01 PM CST | Special Weather Statement | TSA | Crawford | 29 min |
| Feb 18, 2:09 PM CST | Severe Thunderstorm Warning | TSA | Madison, Washington | 51 min |
| Feb 18, 2:32 PM CST | Severe Thunderstorm Warning | TSA | Carroll, Madison | 28 min |
| Feb 18, 2:42 PM CST | Severe Thunderstorm Warning | TSA | Crawford, Franklin | 33 min |
| Feb 18, 2:49 PM CST | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Madison | 26 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2013Severe Thunderstorm Warnings in Arkansas, 2013Every severe thunderstorm warning in 2013
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.