Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 482, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 7, 2011, 5:52 PM CDT for Latimer County, Pittsburg County, Pushmataha County, Oklahoma. It was in force for 38 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
- Aug 7, 2011, 5:52 PM CDT (22:52 UTC)
- Expired
- Aug 7, 2011, 6:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Latimer County, OK, Pittsburg County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 113 km from the middle of the area, began a volume at 22:54 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 12:00Z, 10.9 hours before the alert went out and 195 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
- 419 J/kg
- Mixed-layer CIN
- -300 J/kg
- Mixed-layer LCL
- 2188 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
988 WUUS54 KTSA 072252 SVRTSA OKC077-121-127-072330- /O.NEW.KTSA.SV.W.0482.110807T2252Z-110807T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 552 PM CDT SUN AUG 7 2011 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA SOUTHEASTERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA NORTHERN PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 630 PM CDT * AT 546 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES NORTHWEST OF CLAYTON...MOVING EAST AT 15 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... WIND GUSTS TO 65 MPH... * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... CLAYTON...YANUSH AND TUSKAHOMA AND SARDIS LAKE. 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. PERSONS ON AREA LAKES SHOULD GET OUT OF THE WATER AND MOVE INDOORS OR INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN STRIKE OUT TO 15 MILES FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER NOW. DON'T BE CAUGHT ON THE WATER IN A THUNDERSTORM! && LAT...LON 3478 9519 3449 9519 3458 9561 3478 9561 TIME...MOT...LOC 2251Z 272DEG 14KT 3468 9550 $$
2 follow-up statements
952 WWUS54 KTSA 072312 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 612 PM CDT SUN AUG 7 2011 OKC077-121-127-072330- /O.CON.KTSA.SV.W.0482.000000T0000Z-110807T2330Z/ PITTSBURG OK-PUSHMATAHA OK-LATIMER OK- 612 PM CDT SUN AUG 7 2011 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTHWESTERN LATIMER...NORTHERN PUSHMATAHA AND SOUTHEASTERN PITTSBURG COUNTIES... AT 608 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SARDIS... MOVING EAST AT 10 MPH. STORM HAZARDS INCLUDE... WIND GUSTS TO 65 MPH... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...SARDIS... CLAYTON LAKE STATE PARK...TUSKAHOMA...CLAYTON AND YANUSH. PRECAUTIONARY/PREPAREDNESS ACTIONS... PERSONS ON AREA LAKES SHOULD GET OUT OF THE WATER AND MOVE INDOORS OR INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN STRIKE OUT TO 15 MILES FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER NOW. DON'T BE CAUGHT ON THE WATER IN A THUNDERSTORM! && LAT...LON 3478 9519 3449 9519 3458 9561 3478 9561 TIME...MOT...LOC 2312Z 280DEG 9KT 3467 9546 $$
167 WWUS54 KTSA 072329 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 629 PM CDT SUN AUG 7 2011 OKC077-121-127-072338- /O.EXP.KTSA.SV.W.0482.000000T0000Z-110807T2330Z/ PITTSBURG OK-PUSHMATAHA OK-LATIMER OK- 629 PM CDT SUN AUG 7 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LATIMER... NORTHERN PUSHMATAHA AND SOUTHEASTERN PITTSBURG COUNTIES EXPIRES AT 630 PM CDT... THE THUNDERSTORMS IN THE WARNED AREA HAVE WEAKENED FOR THE MOMENT. THEREFORE THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE. GUSTY WINDS AND HEAVY RAIN WILL STILL BE POSSIBLE WITH THIS STORM. NEW THUNDERSTORMS ARE LIKELY TO DEVELOP NEAR THESE WEAKENING STORMS AND THESE COULD HAVE SOME SEVERE WEATHER POTENTIAL...SO PEOPLE IN THESE AREAS SHOULD REMAIN ALERT. LAT...LON 3478 9519 3449 9519 3458 9561 3478 9561 TIME...MOT...LOC 2328Z 280DEG 9KT 3466 9541 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 7:02 PM CDT | Special Weather Statement | TSA | Tulsa | 28 min |
| Aug 6, 7:05 PM CDT | Severe Thunderstorm Warning | TSA | Mayes, Rogers, Wagoner | 40 min |
| Aug 6, 7:06 PM CDT | Special Weather Statement | TSA | Tulsa | 39 min |
| Aug 6, 7:28 PM CDT | Special Weather Statement | TSA | Tulsa | 32 min |
| Aug 6, 7:34 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa | 20 min |
| Aug 6, 7:37 PM CDT | Special Weather Statement | TSA | Mayes | 38 min |
| Aug 6, 8:22 PM CDT | Special Weather Statement | TSA | Craig, Nowata, Rogers | 53 min |
| Aug 6, 8:36 PM CDT | Special Weather Statement | TSA | Pawnee | 54 min |
| Aug 6, 9:10 PM CDT | Special Weather Statement | TSA | Craig, Delaware, Ottawa | 65 min |
| Aug 7, 3:43 PM CDT | Special Weather Statement | TSA | Pittsburg | 32 min |
| Aug 7, 3:45 PM CDT | Special Weather Statement | TSA | LeFlore | 30 min |
| Aug 7, 4:02 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 43 min |
| Aug 7, 5:06 PM CDT | Special Weather Statement | TSA | Pittsburg | 24 min |
| Aug 7, 5:29 PM CDT | Special Weather Statement | TSA | Pushmataha | 46 min |
| Aug 7, 5:42 PM CDT | Special Weather Statement | TSA | LeFlore | 48 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.