Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 409, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 16, 2011, 1:54 PM CDT for Nowata County, Rogers County, Washington County, Oklahoma. It was in force for 51 min. 1 report 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 16, 2011, 1:54 PM CDT (18:54 UTC)
- Expired
- Jun 16, 2011, 2:45 PM CDT
- In force
- 51 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Nowata County, OK, Rogers County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 66 km from the middle of the area, began a volume at 18:56 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 16, 2:00 PM CDT | TSTM WND GST 60 | Copan, OK | ESTIMATED 50 TO 60 MPH WINDS AND TORRENTIAL RAIN. TIME ESTIMATED VIA RADAR. |
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 16, 12:26 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 6.9 hours before the alert went out and 163 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
- 2811 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
105 WUUS54 KTSA 161854 SVRTSA OKC105-131-147-161945- /O.NEW.KTSA.SV.W.0409.110616T1854Z-110616T1945Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 154 PM CDT THU JUN 16 2011 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NOWATA COUNTY IN NORTHEAST OKLAHOMA NORTHERN ROGERS COUNTY IN NORTHEAST OKLAHOMA WASHINGTON COUNTY IN NORTHEAST OKLAHOMA * UNTIL 245 PM CDT * AT 152 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DEWEY... MOVING SOUTHEAST AT 35 MPH. THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS NEAR BIGHEART. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... WIND GUSTS TO 60 MPH... * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WANN... OCHELATA...LENAPAH...DELAWARE...NOWATA...WATOVA...NEW ALLUWE AND CHELSEA. THIS WARNING REPLACES THE PREVIOUS WARNING THAT WAS SET TO EXPIRE AT 2 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. && LAT...LON 3689 9543 3649 9544 3658 9600 3696 9598 TIME...MOT...LOC 1854Z 297DEG 31KT 3680 9590 $$
3 follow-up statements
042 WWUS54 KTSA 161910 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 210 PM CDT THU JUN 16 2011 OKC105-131-147-161945- /O.CON.KTSA.SV.W.0409.000000T0000Z-110616T1945Z/ NOWATA OK-ROGERS OK-WASHINGTON OK- 210 PM CDT THU JUN 16 2011 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR WASHINGTON...NORTHERN ROGERS AND NOWATA COUNTIES... AT 208 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTH OF WANN...MOVING EAST AT 30 MPH. STORM HAZARDS INCLUDE... WIND GUSTS TO 60 MPH... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...LENAPAH... DELAWARE...NOWATA...WATOVA AND NEW ALLUWE. THIS STORM HAS SHOWN A STEADY WEAKENING TREND SINCE JUST BEFORE 2 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. && LAT...LON 3689 9544 3649 9544 3664 9592 3692 9587 TIME...MOT...LOC 1910Z 290DEG 24KT 3679 9580 $$
596 WWUS54 KTSA 161926 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 226 PM CDT THU JUN 16 2011 OKC131-147-161937- /O.CAN.KTSA.SV.W.0409.000000T0000Z-110616T1945Z/ ROGERS OK-WASHINGTON OK- 226 PM CDT THU JUN 16 2011 ...THE SEVERE THUNDERSTORM WARNING FOR WASHINGTON AND NORTHERN ROGERS COUNTIES IS CANCELLED... LAT...LON 3689 9544 3663 9544 3670 9581 3692 9581 TIME...MOT...LOC 1927Z 290DEG 24KT 3679 9567 $$ OKC105-161945- /O.CON.KTSA.SV.W.0409.000000T0000Z-110616T1945Z/ NOWATA OK- 226 PM CDT THU JUN 16 2011 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR CENTRAL NOWATA COUNTY... AT 225 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DELAWARE... MOVING EAST AT 30 MPH. STORM HAZARDS INCLUDE... WIND GUSTS TO 60 MPH... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...DELAWARE AND NOWATA. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. && LAT...LON 3689 9544 3663 9544 3670 9581 3692 9581 TIME...MOT...LOC 1927Z 290DEG 24KT 3679 9567 $$
194 WWUS54 KTSA 161941 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 241 PM CDT THU JUN 16 2011 OKC105-161951- /O.EXP.KTSA.SV.W.0409.000000T0000Z-110616T1945Z/ NOWATA OK- 241 PM CDT THU JUN 16 2011 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NOWATA COUNTY EXPIRES AT 245 PM CDT... THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE. GUSTY WINDS...SMALL HAIL AND HEAVY RAIN WILL STILL BE POSSIBLE WITH THIS STORM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7PM CDT. LAT...LON 3689 9544 3663 9544 3670 9581 3692 9581 TIME...MOT...LOC 1941Z 290DEG 24KT 3676 9556 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 3:26 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 64 min |
| Jun 16, 4:28 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee, Okmulgee, Osage, Pawnee, Tulsa | 62 min |
| Jun 16, 5:27 AM CDT | Severe Thunderstorm Warning | TSA | Creek, McIntosh, Muskogee, Okfuskee, Okmulgee, Osage and 3 more | 63 min |
| Jun 16, 6:05 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee, McIntosh, Mayes, Muskogee, Rogers, Sequoyah and 1 more | 55 min |
| Jun 16, 6:49 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 37 min |
| Jun 16, 7:19 AM CDT | Special Weather Statement | TSA | Muskogee | 26 min |
| Jun 16, 11:17 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 15 min |
| Jun 16, 11:36 AM CDT | Special Weather Statement | TSA | Osage | 54 min |
| Jun 16, 1:01 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Washington | 59 min |
| Jun 16, 1:18 PM CDT | Tornado Warning | TSA | Osage, Washington | 27 min |
| Jun 16, 2:04 PM CDT | Special Weather Statement | TSA | Osage | 26 min |
| Jun 16, 2:17 PM CDT | Special Weather Statement | TSA | Osage | 28 min |
| Jun 16, 2:48 PM CDT | Special Weather Statement | TSA | Nowata, Rogers, Tulsa, Washington | 57 min |
| Jun 16, 2:58 PM CDT | Special Weather Statement | TSA | Kay | 32 min |
| Jun 16, 3:04 PM CDT | Special Weather Statement | TSA | Delaware | 26 min |
| Jun 16, 3:11 PM CDT | Severe Thunderstorm Warning | TSA | Delaware, Mayes | 28 min |
| Jun 16, 3:17 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa, Washington | 28 min |
| Jun 16, 3:52 PM CDT | Special Weather Statement | TSA | Nowata | 23 min |
| Jun 16, 3:54 PM CDT | Special Weather Statement | TSA | Washington | 36 min |
| Jun 16, 4:06 PM CDT | Special Weather Statement | TSA | Delaware | 24 min |
| Jun 16, 4:09 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 30 min |
| Jun 16, 4:38 PM CDT | Special Weather Statement | TSA | Washington | 37 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2011Every severe thunderstorm warning 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.