Alert archive / Oklahoma / Tornado Warnings in 2011
Tornado Warning 103, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Jun 18, 2011, 8:04 PM CDT for Osage County, Oklahoma. It was in force for 41 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 18, 2011, 8:04 PM CDT (01:04 UTC)
- Expired
- Jun 18, 2011, 8:45 PM CDT
- In force
- 41 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Osage County, OK
The radar
The Tulsa radar (KINX), 100 km from the middle of the area, began a volume at 01:05 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 18, 8:09 PM CDT | TORNADO | 7 Nnw Bigheart, OK | LIVE VIDEO OF BRIEF TORNADO WAS BROADCASTED BY KJRH |
| Jun 18, 8:10 PM CDT | FUNNEL CLOUD | 8 Ne Bigheart, OK | STORM CHASER OBSERVED A FUNNEL CLOUD LOWER HALF WAY TO THE GROUND AND LIFT. |
| Jun 18, 8:15 PM CDT | HAIL 0.88 | 7 N Bigheart, OK | DELAYED REPORT. |
| Jun 18, 8:25 PM CDT | TORNADO | 7 W Hulah, OK | SEVERAL STORMS CHASERS...STORM SPOTTERS AND AT LEAST ONE OFF DUTY NWS METEOROLOGIST WITNESSED THIS TORNADO. IT LASTED 10 TO 15 MINUTES AND PRODUCED NO KNOWN DAMAGE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 18, 6:03 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Lamont, OK (KLMN), launched 00:00Z, 1.1 hours before the alert went out and 124 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
- 3821 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 2143 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.3
The text
As transmitted, in the capitals the NWS used until 2016.
970 WFUS54 KTSA 190104 TORTSA OKC113-190145- /O.NEW.KTSA.TO.W.0103.110619T0104Z-110619T0145Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TULSA OK 804 PM CDT SAT JUN 18 2011 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN OSAGE COUNTY IN NORTHEAST OKLAHOMA * UNTIL 845 PM CDT * AT 801 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 17 MILES WEST OF HULAH...MOVING EAST AT 25 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...HULAH. THIS WARNING REPLACES THE PREVIOUS TORNADO WARNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS! && LAT...LON 3700 9600 3681 9600 3690 9638 3700 9638 TIME...MOT...LOC 0104Z 276DEG 22KT 3695 9632 $$
2 follow-up statements
457 WWUS54 KTSA 190111 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 811 PM CDT SAT JUN 18 2011 OKC113-190145- /O.CON.KTSA.TO.W.0103.000000T0000Z-110619T0145Z/ OSAGE OK- 811 PM CDT SAT JUN 18 2011 ...TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR NORTHEASTERN OSAGE COUNTY... AT 810 PM CDT...NWS METEOROLOGISTS AND STORM SPOTTERS ARE TRACKING A TORNADO LOCATED 9 MILES WEST OF WAH SHA SHE STATE PARK...MOVING EAST AT 30 MPH. A TORNADO HAS BEEN CONFIRMED...TAKE COVER NOW! SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WAH SHA SHE STATE PARK AND HULAH. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS! && LAT...LON 3700 9600 3681 9600 3690 9630 3700 9630 TIME...MOT...LOC 0111Z 273DEG 24KT 3694 9626 $$
664 WWUS54 KTSA 190124 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 824 PM CDT SAT JUN 18 2011 OKC113-190145- /O.CON.KTSA.TO.W.0103.000000T0000Z-110619T0145Z/ OSAGE OK- 824 PM CDT SAT JUN 18 2011 ...TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR NORTHEASTERN OSAGE COUNTY... AT 822 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR WAH SHA SHE STATE PARK...MOVING EAST AT 20 MPH. THIS IS A DANGEROUS STORM WITH STRONG LOW LEVEL ROTATION...A TORNADO COULD FORM AT ANY TIME. THIS STORM HAS HAD A HISTORY OF PRODUCING A TORNADO. SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WAH SHA SHE STATE PARK AND HULAH. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS! && LAT...LON 3700 9600 3681 9600 3688 9624 3697 9622 TIME...MOT...LOC 0124Z 273DEG 18KT 3693 9618 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:35 PM CDT | Tornado Warning | TSA | Osage | 40 min |
| Jun 18, 7:48 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 57 min |
| Jun 18, 8:33 PM CDT | Tornado Warning | TSA | Osage, Washington | 42 min |
| Jun 18, 8:37 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 38 min |
| Jun 18, 9:11 PM CDT | Tornado Warning | TSA | Nowata, Washington | 49 min |
| Jun 18, 9:16 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 59 min |
| Jun 18, 9:37 PM CDT | Tornado Warning | TSA | Nowata | 43 min |
| Jun 18, 10:08 PM CDT | Special Weather Statement | TSA | Osage | 37 min |
| Jun 19, 2:20 AM CDT | Special Weather Statement | TSA | Nowata | 25 min |
Nearby
Tornado Warnings in Oklahoma, 2011Every tornado warning in 2011Tornadoes in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.