Alert archive / Arkansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 84, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 29, 2012, 5:25 AM CDT for Benton County, Washington County, Arkansas; Adair County, Delaware County, Oklahoma. It was in force for 35 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
- May 29, 2012, 5:25 AM CDT (10:25 UTC)
- Expired
- May 29, 2012, 6:00 AM CDT
- In force
- 35 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Benton County, AR, Washington County, AR, Adair County, OK, Delaware County, OK
The radar
The Western Arkansas radar (KSRX), 98 km from the middle of the area, began a volume at 10:29 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
Springfield, MO (KSGF), launched 00:00Z, 10.4 hours before the alert went out and 99 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
- 1923 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1564 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
401 WUUS54 KTSA 291025 SVRTSA ARC007-143-OKC001-041-291100- /O.NEW.KTSA.SV.W.0084.120529T1025Z-120529T1100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 525 AM CDT TUE MAY 29 2012 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN ADAIR COUNTY IN NORTHEAST OKLAHOMA SOUTHEASTERN DELAWARE COUNTY IN NORTHEAST OKLAHOMA SOUTHWESTERN BENTON COUNTY IN NORTHWEST ARKANSAS NORTHWESTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS * UNTIL 600 AM CDT * AT 524 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WEST SILOAM SPRINGS...MOVING EAST AT 30 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...SILOAM SPRINGS. 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 3620 9427 3603 9435 3616 9465 3626 9460 TIME...MOT...LOC 1025Z 291DEG 26KT 3618 9456 $$
2 follow-up statements
021 WWUS54 KTSA 291041 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 541 AM CDT TUE MAY 29 2012 OKC001-041-291052- /O.CAN.KTSA.SV.W.0084.000000T0000Z-120529T1100Z/ DELAWARE OK-ADAIR OK- 541 AM CDT TUE MAY 29 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ADAIR AND SOUTHEASTERN DELAWARE COUNTIES IS CANCELLED... LAT...LON 3611 9453 3622 9448 3620 9427 3603 9435 TIME...MOT...LOC 1042Z 291DEG 26KT 3615 9443 $$ ARC007-143-291100- /O.CON.KTSA.SV.W.0084.000000T0000Z-120529T1100Z/ BENTON AR-WASHINGTON AR- 541 AM CDT TUE MAY 29 2012 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM CDT FOR NORTHWESTERN WASHINGTON AND SOUTHWESTERN BENTON COUNTIES... AT 537 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GALLITIN... MOVING EAST AT 30 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WEDINGTON AND SAVOY. 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 3611 9453 3622 9448 3620 9427 3603 9435 TIME...MOT...LOC 1042Z 291DEG 26KT 3615 9443 $$
523 WWUS54 KTSA 291057 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 557 AM CDT TUE MAY 29 2012 ARC007-143-291107- /O.EXP.KTSA.SV.W.0084.000000T0000Z-120529T1100Z/ BENTON AR-WASHINGTON AR- 557 AM CDT TUE MAY 29 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WASHINGTON AND SOUTHWESTERN BENTON COUNTIES EXPIRES AT 600 AM CDT... THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW SEVERE LIMITS...THEREFORE THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE. LAT...LON 3611 9453 3622 9448 3620 9427 3603 9435 TIME...MOT...LOC 1057Z 291DEG 26KT 3607 9432 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 1:24 AM CDT | Special Weather Statement | TSA | Benton | 36 min |
| May 29, 2:05 AM CDT | Special Weather Statement | TSA | Benton, Crawford, Washington | 40 min |
| May 29, 2:47 AM CDT | Special Weather Statement | TSA | Carroll, Madison, Washington | 43 min |
| May 29, 3:06 AM CDT | Special Weather Statement | TSA | Crawford | 39 min |
| May 29, 3:55 AM CDT | Special Weather Statement | TSA | Franklin, Sebastian | 65 min |
| May 29, 5:23 AM CDT | Special Weather Statement | TSA | Washington | 37 min |
| May 28, 9:46 PM CDT | Special Weather Statement | TSA | Creek | 44 min |
| May 28, 10:28 PM CDT | Special Weather Statement | TSA | Washington | 62 min |
| May 28, 10:34 PM CDT | Special Weather Statement | TSA | Pawnee | 56 min |
| May 28, 10:36 PM CDT | Special Weather Statement | TSA | Okfuskee | 54 min |
| May 28, 10:43 PM CDT | Special Weather Statement | TSA | Osage | 62 min |
| May 28, 10:51 PM CDT | Special Weather Statement | TSA | Craig | 54 min |
| May 28, 10:58 PM CDT | Special Weather Statement | TSA | Nowata | 47 min |
| May 28, 11:21 PM CDT | Special Weather Statement | TSA | Okmulgee | 39 min |
| May 28, 11:28 PM CDT | Special Weather Statement | TSA | Washington | 47 min |
| May 28, 11:31 PM CDT | Special Weather Statement | TSA | Craig | 29 min |
| May 28, 11:57 PM CDT | Special Weather Statement | TSA | Mayes, Rogers | 33 min |
| May 29, 12:02 AM CDT | Special Weather Statement | TSA | Craig | 43 min |
| May 29, 12:05 AM CDT | Special Weather Statement | TSA | Nowata, Washington | 25 min |
| May 29, 12:08 AM CDT | Special Weather Statement | TSA | McIntosh, Muskogee, Wagoner | 37 min |
| May 29, 12:19 AM CDT | Special Weather Statement | TSA | Craig, Ottawa | 56 min |
| May 29, 1:00 AM CDT | Special Weather Statement | TSA | Adair, Cherokee, Sequoyah | 45 min |
| May 29, 5:03 AM CDT | Special Weather Statement | TSA | Delaware | 27 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2012Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.