Alert archive / Arkansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 192, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 8, 2012, 12:53 PM CDT for Washington County, Arkansas. It was in force for 52 min. 2 reports 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
- Aug 8, 2012, 12:53 PM CDT (17:53 UTC)
- Expired
- Aug 8, 2012, 1:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Washington County, AR
The radar
The Western Arkansas radar (KSRX), 69 km from the middle of the area, began a volume at 17:56 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 |
|---|---|---|---|
| Aug 8, 1:00 PM CDT | HAIL 0.75 | 2 Ese Morrow, AR | NSSL SHAVE PROJECT REPORT. |
| Aug 8, 1:05 PM CDT | HAIL 0.75 | 2 Se Clyde, AR | NSSL SHAVE PROJECT REPORTS. |
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 12:00Z, 5.9 hours before the alert went out and 117 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
- 145 J/kg
- Mixed-layer CIN
- -243 J/kg
- Mixed-layer LCL
- 2303 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
823 WUUS54 KTSA 081753 SVRTSA ARC143-081845- /O.NEW.KTSA.SV.W.0192.120808T1753Z-120808T1845Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1253 PM CDT WED AUG 8 2012 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS * UNTIL 145 PM CDT * AT 1251 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES SOUTH OF FARMINGTON TO 3 MILES SOUTHWEST OF PRAIRIE GROVE...MOVING EAST ABOUT 10 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... WIND GUSTS TO 65 MPH... * SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE... STRICKLER...GREENLAND...DEVILS DEN STATE PARK...BLACKBURN...WEST FORK...BRENTWOOD...ELKINS AND WINSLOW. 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 3577 9396 3576 9449 3606 9433 3607 9394 TIME...MOT...LOC 1752Z 268DEG 10KT 3600 9423 3595 9434 $$
3 follow-up statements
325
WWUS54 KTSA 081807
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
107 PM CDT WED AUG 8 2012
ARC143-081845-
/O.CON.KTSA.SV.W.0192.000000T0000Z-120808T1845Z/
WASHINGTON AR-
107 PM CDT WED AUG 8 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
SOUTHERN WASHINGTON COUNTY...
AT 104 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM WEST FORK TO STRICKLER...MOVING EAST ABOUT 10 MPH.
STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
STRICKLER...BLACK OAK...DEVILS DEN STATE PARK...SULPHUR CITY...
HICKS...BLACKBURN...WOOLSEY...DURHAM...ARNETT...WYOLA...BRENTWOOD...
ELKINS...WINSLOW AND TUTTLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3577 9396 3577 9445 3605 9425 3607 9395
3605 9394
TIME...MOT...LOC 1807Z 268DEG 10KT 3594 9414 3586 9434
$$348
WWUS54 KTSA 081815
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
115 PM CDT WED AUG 8 2012
ARC143-081845-
/O.CON.KTSA.SV.W.0192.000000T0000Z-120808T1845Z/
WASHINGTON AR-
115 PM CDT WED AUG 8 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
SOUTHERN WASHINGTON COUNTY...
AT 113 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR STRICKLER...
MOVING EAST AT 20 MPH.
STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
WIND GUSTS TO 60 MPH...
MINOR FLOODING IN AREAS OF POOR DRAINAGE...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...HOGEYE...
WALNUT GROVE...BLACKBURN...FARMINGTON...WEST FORK...WOOLSEY...
WINSLOW...GREENLAND...BRENTWOOD...BLACK OAK...SULPHUR CITY...
DURHAM...ARNETT...WYOLA...ELKINS...TUTTLE AND HICKS.
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 3577 9396 3577 9445 3605 9425 3607 9395
3605 9394
TIME...MOT...LOC 1815Z 259DEG 19KT 3586 9429
$$358
WWUS54 KTSA 081835
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
135 PM CDT WED AUG 8 2012
ARC143-081846-
/O.EXP.KTSA.SV.W.0192.000000T0000Z-120808T1845Z/
WASHINGTON AR-
135 PM CDT WED AUG 8 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WASHINGTON COUNTY
EXPIRES AT 145 PM CDT...
THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.
GUSTY WINDS...SMALL HAIL AND HEAVY RAIN WILL STILL BE POSSIBLE WITH
THIS STORM.
LAT...LON 3577 9396 3577 9445 3605 9425 3607 9395
3605 9394
TIME...MOT...LOC 1836Z 259DEG 19KT 3588 9416
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 10:53 AM CDT | Special Weather Statement | TSA | Benton | 37 min |
| Aug 8, 12:21 PM CDT | Special Weather Statement | TSA | Washington | 39 min |
| Aug 8, 12:44 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 46 min |
| Aug 8, 1:35 PM CDT | Special Weather Statement | TSA | Franklin | 25 min |
| Aug 8, 2:34 PM CDT | Special Weather Statement | TSA | Sebastian | 26 min |
| Aug 8, 2:39 PM CDT | Severe Thunderstorm Warning | TSA | Franklin, Sebastian | 21 min |
| Aug 8, 2:55 PM CDT | Special Weather Statement | TSA | Crawford | 50 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.