Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 96, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 29, 2012, 11:04 PM CDT for Delaware County, Ottawa County, Oklahoma. It was in force for 45 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
- May 29, 2012, 11:04 PM CDT (04:04 UTC)
- Expired
- May 29, 2012, 11:49 PM CDT
- In force
- 45 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Delaware County, OK, Ottawa County, OK
The radar
The Tulsa radar (KINX), 86 km from the middle of the area, began a volume at 04:05 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 |
|---|---|---|---|
| May 29, 11:20 PM CDT | HAIL 1 | 2 N Grove, OK |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 4.1 hours before the alert went out and 94 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
- 131 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 2811 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
987
WUUS54 KTSA 300404
SVRTSA
OKC041-115-300500-
/O.NEW.KTSA.SV.W.0096.120530T0404Z-120530T0500Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1104 PM CDT TUE MAY 29 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN DELAWARE COUNTY IN NORTHEAST OKLAHOMA
SOUTHERN OTTAWA COUNTY IN NORTHEAST OKLAHOMA
* UNTIL MIDNIGHT CDT
* AT 1101 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NARCISSA TO 7 MILES SOUTHEAST OF CLEORA...MOVING
EAST AT 20 MPH.
STORM HAZARDS INCLUDE...
HALF DOLLAR SIZE HAIL...
WIND GUSTS TO 60 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
FAIRLAND...HONEY CREEK STATE PARK...GROVE AND WYANDOTTE.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 294 AND 306.
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 3651 9461 3650 9498 3663 9500 3684 9500
3687 9461
TIME...MOT...LOC 0405Z 263DEG 18KT 3680 9490 3651 9486
$$4 follow-up statements
535
WWUS54 KTSA 300409
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1109 PM CDT TUE MAY 29 2012
OKC041-115-300500-
/O.CON.KTSA.SV.W.0096.000000T0000Z-120530T0500Z/
DELAWARE OK-OTTAWA OK-
1109 PM CDT TUE MAY 29 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR SOUTHERN OTTAWA AND NORTHERN DELAWARE COUNTIES...
AT 1105 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BERNICE STATE
PARK...MOVING EAST AT 20 MPH.
STORM HAZARDS INCLUDE...
DAMAGING GOLF BALL SIZE HAIL...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...HONEY
CREEK STATE PARK...GROVE...TWIN BRIDGES STATE PARK...WYANDOTTE AND
TIFF CITY.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 294 AND 306.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PERSONS NEAR THE PATH OF THIS DANGEROUS STORM SHOULD PREPARE FOR
LARGE DESTRUCTIVE HAIL. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY. IF NO UNDERGROUND SHELTER
IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN AN INTERIOR ROOM AND
STAY AWAY FROM WINDOWS.
&&
LAT...LON 3651 9461 3650 9498 3663 9500 3684 9500
3687 9461
TIME...MOT...LOC 0410Z 263DEG 18KT 3664 9481
$$896
WWUS54 KTSA 300424
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1124 PM CDT TUE MAY 29 2012
OKC041-115-300500-
/O.CON.KTSA.SV.W.0096.000000T0000Z-120530T0500Z/
DELAWARE OK-OTTAWA OK-
1124 PM CDT TUE MAY 29 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR SOUTHERN OTTAWA AND NORTHERN DELAWARE COUNTIES...
AT 1120 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GROVE...
MOVING EAST AT 20 MPH.
STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WYANDOTTE.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 296 AND 299.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PERSONS NEAR THE PATH OF THIS DANGEROUS STORM SHOULD PREPARE FOR
LARGE DESTRUCTIVE HAIL. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY. IF NO UNDERGROUND SHELTER
IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN AN INTERIOR ROOM AND
STAY AWAY FROM WINDOWS.
PERSONS NEAR THE PATH OF THIS DANGEROUS STORM SHOULD PREPARE FOR
DESTRUCTIVE STRAIGHT LINE WINDS. THIS STORM HAS THE POTENTIAL TO
CAUSE SERIOUS INJURY AND SIGNIFICANT DAMAGE TO PROPERTY. IF NO
UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN AN
INTERIOR ROOM AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 3675 9495 3681 9465 3651 9461 3650 9498
3663 9500
TIME...MOT...LOC 0424Z 263DEG 18KT 3661 9474
$$075 WWUS54 KTSA 300443 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1143 PM CDT TUE MAY 29 2012 OKC041-115-300500- /O.CON.KTSA.SV.W.0096.000000T0000Z-120530T0500Z/ DELAWARE OK-OTTAWA OK- 1143 PM CDT TUE MAY 29 2012 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR SOUTHEASTERN OTTAWA AND NORTHEASTERN DELAWARE COUNTIES... AT 1138 PM CDT...A SEVERE THUNDERSTORM WAS CENTERED 7 MILES EAST OF GROVE...MOVING EAST AT 20 MPH. THE STORM HAD WEAKENED... BUT MAY STILL PRODUCE HAIL AND STRONG WINDS. IF THE WEAKENING CONTINUES... THE WARNING COULD BE CANCELLED EARLY. OTHERWISE THE CORE OF THE STORM WILL EXIT OKLAHOMA BY MIDNIGHT AND THE WARNING WILL BE ALLOWED TO EXPIRE ON TIME. && LAT...LON 3651 9477 3672 9484 3681 9465 3651 9461 TIME...MOT...LOC 0441Z 263DEG 18KT 3662 9463 $$
805 WWUS54 KTSA 300449 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 1149 PM CDT TUE MAY 29 2012 OKC041-115-300459- /O.CAN.KTSA.SV.W.0096.000000T0000Z-120530T0500Z/ DELAWARE OK-OTTAWA OK- 1149 PM CDT TUE MAY 29 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OTTAWA AND NORTHEASTERN DELAWARE COUNTIES IS CANCELLED... THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW SEVERE LIMITS...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. LAT...LON 3651 9477 3672 9484 3681 9465 3651 9461 TIME...MOT...LOC 0449Z 263DEG 18KT 3662 9458 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 7:11 PM CDT | Special Weather Statement | TSA | Osage | 49 min |
| May 29, 7:27 PM CDT | Special Weather Statement | TSA | Creek | 48 min |
| May 29, 7:49 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 41 min |
| May 29, 8:07 PM CDT | Special Weather Statement | TSA | Creek | 53 min |
| May 29, 8:17 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 43 min |
| May 29, 8:25 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 35 min |
| May 29, 8:30 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okmulgee, Tulsa | 45 min |
| May 29, 8:40 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee, Okmulgee | 50 min |
| May 29, 8:44 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 46 min |
| May 29, 8:49 PM CDT | Special Weather Statement | TSA | Tulsa | 41 min |
| May 29, 8:55 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 28 min |
| May 29, 8:57 PM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Okmulgee, Tulsa, Wagoner | 48 min |
| May 29, 9:18 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee, Okfuskee, Okmulgee | 27 min |
| May 29, 9:29 PM CDT | Special Weather Statement | TSA | Muskogee | 46 min |
| May 29, 9:34 PM CDT | Special Weather Statement | TSA | Okfuskee | 26 min |
| May 29, 9:39 PM CDT | Special Weather Statement | TSA | Wagoner | 36 min |
| May 29, 9:46 PM CDT | Special Weather Statement | TSA | McIntosh | 44 min |
| May 29, 10:05 PM CDT | Special Weather Statement | TSA | Cherokee, Craig, Mayes, Muskogee, Nowata | 55 min |
| May 29, 10:10 PM CDT | Areal Flood Advisory | TSA | McIntosh, Okfuskee, Okmulgee | 110 min |
| May 29, 10:19 PM CDT | Special Weather Statement | TSA | McIntosh, Pittsburg | 41 min |
| May 29, 10:22 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, McIntosh, Pittsburg | 53 min |
| May 29, 10:52 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, McIntosh, Pittsburg | 68 min |
| May 29, 10:54 PM CDT | Special Weather Statement | TSA | Ottawa | 36 min |
| May 29, 11:17 PM CDT | Special Weather Statement | TSA | Sequoyah | 58 min |
| May 29, 11:21 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, LeFlore, Pittsburg, Pushmataha | 54 min |
| May 29, 11:38 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Latimer, Pittsburg, Pushmataha | 67 min |
| May 30, 12:31 AM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 59 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2012Every severe thunderstorm warning in 2012
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.