Alert archive / Arkansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 53, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 15, 2012, 1:19 PM CDT for Benton County, Carroll County, Washington County, Arkansas. 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
- Apr 15, 2012, 1:19 PM CDT (18:19 UTC)
- Expired
- Apr 15, 2012, 1:45 PM CDT
- In force
- 26 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Benton County, AR, Carroll County, AR, Washington County, AR
The radar
The Western Arkansas radar (KSRX), 108 km from the middle of the area, began a volume at 18:19 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 15, 10:51 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.3 hours before the alert went out and 78 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
- 31 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 855 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 319 m²/s²
- 0-3 km storm-relative helicity
- 381 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
131 WUUS54 KTSA 151819 SVRTSA ARC007-015-143-151900- /O.NEW.KTSA.SV.W.0053.120415T1819Z-120415T1900Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 119 PM CDT SUN APR 15 2012 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN BENTON COUNTY IN NORTHWEST ARKANSAS NORTHWESTERN CARROLL COUNTY IN NORTHWEST ARKANSAS NORTHEASTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS * UNTIL 200 PM CDT * AT 118 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR FAYETTEVILLE...MOVING NORTHEAST AT 60 MPH. STORM HAZARDS INCLUDE... PENNY SIZE HAIL... WIND GUSTS TO 60 MPH... * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... SPRINGDALE...LOWELL...ROGERS...WAR EAGLE...GARFIELD...GATEWAY AND BEAVER. 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 9413 3608 9428 3650 9405 3650 9373 TIME...MOT...LOC 1819Z 209DEG 53KT 3609 9418 $$
3 follow-up statements
201
WWUS54 KTSA 151830
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
130 PM CDT SUN APR 15 2012
ARC015-143-151840-
/O.CAN.KTSA.SV.W.0053.000000T0000Z-120415T1900Z/
CARROLL AR-WASHINGTON AR-
130 PM CDT SUN APR 15 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WASHINGTON AND
NORTHWESTERN CARROLL COUNTIES IS CANCELLED...
LAT...LON 3622 9408 3628 9416 3650 9405 3650 9387
3649 9387
TIME...MOT...LOC 1830Z 205DEG 55KT 3627 9409
$$
ARC007-151900-
/O.CON.KTSA.SV.W.0053.000000T0000Z-120415T1900Z/
BENTON AR-
130 PM CDT SUN APR 15 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
EASTERN BENTON COUNTY...
AT 130 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MONTE NE...
MOVING NORTHEAST AT 65 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...MONTE
NE...ROGERS...AVOCA...WALNUT HILL...HILL TOP...GARFIELD AND GATEWAY.
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 3622 9408 3628 9416 3650 9405 3650 9387
3649 9387
TIME...MOT...LOC 1830Z 205DEG 55KT 3627 9409
$$521
WWUS54 KTSA 151841
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
141 PM CDT SUN APR 15 2012
ARC007-151900-
/O.CON.KTSA.SV.W.0053.000000T0000Z-120415T1900Z/
BENTON AR-
141 PM CDT SUN APR 15 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
NORTHEASTERN BENTON COUNTY...
AT 136 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HILL TOP...
MOVING NORTHEAST AT 70 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3637 9398 3639 9410 3650 9405 3650 9387
3649 9387
TIME...MOT...LOC 1841Z 205DEG 62KT 3651 9397
$$514
WWUS54 KTSA 151845
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
145 PM CDT SUN APR 15 2012
ARC007-151855-
/O.CAN.KTSA.SV.W.0053.000000T0000Z-120415T1900Z/
BENTON AR-
145 PM CDT SUN APR 15 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BENTON COUNTY IS
CANCELLED...
THE THUNDERSTORM HAS EXITED THE WARNED AREA.
LAT...LON 3637 9398 3639 9410 3650 9405 3650 9387
3649 9387
TIME...MOT...LOC 1845Z 203DEG 65KT 3657 9394
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 9:13 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 62 min |
| Apr 15, 9:42 AM CDT | Tornado Warning | TSA | Benton, Washington | 33 min |
| Apr 15, 10:13 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Washington | 24 min |
| Apr 15, 11:28 AM CDT | Special Weather Statement | TSA | Sebastian | 62 min |
| Apr 15, 12:25 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Madison, Washington | 35 min |
| Apr 15, 12:29 PM CDT | Special Weather Statement | TSA | Crawford | 31 min |
| Apr 15, 1:04 PM CDT | Special Weather Statement | TSA | Carroll | 26 min |
| Apr 15, 1:14 PM CDT | Special Weather Statement | TSA | Washington | 31 min |
| Apr 15, 1:48 PM CDT | Special Weather Statement | TSA | Franklin | 27 min |
| Apr 15, 1:53 PM CDT | Special Weather Statement | TSA | Carroll, Madison | 52 min |
| Apr 15, 2:10 PM CDT | Special Weather Statement | TSA | Franklin | 35 min |
| Apr 15, 2:32 PM CDT | Special Weather Statement | TSA | Carroll, Madison | 43 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 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.