Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 539, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 17, 2011, 7:53 PM CDT for 5 counties in Oklahoma. It was in force for 26 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
- Oct 17, 2011, 7:53 PM CDT (00:53 UTC)
- Expired
- Oct 17, 2011, 8:19 PM CDT
- In force
- 26 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Creek County, OK, Muskogee County, OK, Okmulgee County, OK, Tulsa County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 38 km from the middle of the area, began a volume at 00:55 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
Norman, OK (KOUN), launched 00:00Z, 0.9 hours before the alert went out and 160 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
- 19 J/kg
- Mixed-layer CIN
- -528 J/kg
- Mixed-layer LCL
- 1195 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 252 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
657 WUUS54 KTSA 180053 SVRTSA OKC037-101-111-143-145-180130- /O.NEW.KTSA.SV.W.0539.111018T0053Z-111018T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 753 PM CDT MON OCT 17 2011 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA EASTERN CREEK COUNTY IN NORTHEAST OKLAHOMA NORTHERN OKMULGEE COUNTY IN NORTHEAST OKLAHOMA SOUTHEASTERN TULSA COUNTY IN NORTHEAST OKLAHOMA SOUTHWESTERN WAGONER COUNTY IN NORTHEAST OKLAHOMA * UNTIL 830 PM CDT * AT 751 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 4 MILES WEST OF MOUNDS...MOVING EAST AT 40 MPH. STORM HAZARDS INCLUDE... HALF DOLLAR SIZE HAIL... * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... MOUNDS...KIEFER...GLENPOOL...TULSA...BIXBY...STONEBLUFF...ONETA... HASKELL AND COWETA. THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 204 AND 205. 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 3604 9563 3582 9561 3580 9622 3598 9624 TIME...MOT...LOC 0053Z 265DEG 35KT 3590 9611 $$
2 follow-up statements
793 WWUS54 KTSA 180112 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 812 PM CDT MON OCT 17 2011 OKC037-101-111-180122- /O.CAN.KTSA.SV.W.0539.000000T0000Z-111018T0130Z/ CREEK OK-MUSKOGEE OK-OKMULGEE OK- 812 PM CDT MON OCT 17 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN OKMULGEE... NORTHWESTERN MUSKOGEE AND EASTERN CREEK COUNTIES IS CANCELLED... LAT...LON 3586 9603 3599 9603 3604 9563 3586 9561 TIME...MOT...LOC 0112Z 265DEG 35KT 3591 9588 $$ OKC143-145-180130- /O.CON.KTSA.SV.W.0539.000000T0000Z-111018T0130Z/ TULSA OK-WAGONER OK- 812 PM CDT MON OCT 17 2011 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR WESTERN WAGONER AND SOUTHEASTERN TULSA COUNTIES... AT 808 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BIXBY...MOVING EAST AT 40 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...LEONARD... STONEBLUFF...ONETA AND COWETA. 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 3586 9603 3599 9603 3604 9563 3586 9561 TIME...MOT...LOC 0112Z 265DEG 35KT 3591 9588 $$
872 WWUS54 KTSA 180119 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 819 PM CDT MON OCT 17 2011 OKC143-145-180128- /O.CAN.KTSA.SV.W.0539.000000T0000Z-111018T0130Z/ TULSA OK-WAGONER OK- 819 PM CDT MON OCT 17 2011 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN WAGONER AND SOUTHEASTERN TULSA COUNTIES IS CANCELLED... THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. GUSTY WINDS...SMALL HAIL AND VERY HEAVY RAIN WILL STILL BE POSSIBLE WITH THIS STORM. LAT...LON 3586 9603 3599 9603 3604 9563 3586 9561 TIME...MOT...LOC 0118Z 265DEG 35KT 3591 9581 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 7:11 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Okfuskee, Okmulgee | 64 min |
| Oct 17, 7:19 PM CDT | Special Weather Statement | TSA | Creek | 41 min |
| Oct 17, 7:46 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 59 min |
| Oct 17, 8:37 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, Pittsburg | 38 min |
| Oct 17, 8:51 PM CDT | Special Weather Statement | TSA | Craig, Nowata, Ottawa | 39 min |
| Oct 17, 9:01 PM CDT | Special Weather Statement | TSA | Choctaw, Pushmataha | 59 min |
| Oct 17, 9:17 PM CDT | Special Weather Statement | TSA | Haskell, Latimer, LeFlore | 28 min |
| Oct 17, 9:44 PM CDT | Special Weather Statement | TSA | Choctaw, LeFlore, Pushmataha | 46 min |
| Oct 17, 10:31 PM CDT | Special Weather Statement | TSA | LeFlore | 44 min |
| Oct 18, 12:45 AM CDT | Special Weather Statement | TSA | Latimer | 30 min |
| Oct 18, 4:10 PM CDT | Freeze Watch | TSA | Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more | 12 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.