Alert archive / Arkansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 26, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 19, 2012, 10:41 PM CDT for 7 counties in Arkansas. It was in force for 64 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
- Mar 19, 2012, 10:41 PM CDT (03:41 UTC)
- Expired
- Mar 19, 2012, 11:45 PM CDT
- In force
- 64 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR
The radar
The Western Arkansas radar (KSRX), 104 km from the middle of the area, began a volume at 03:41 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 |
|---|---|---|---|
| Mar 19, 11:05 PM CDT | TSTM WND DMG | 4 N Eureka Springs, AR | SEVERAL TREES BLOWN DOWN ON HIGHWAY 23. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 19, 6:53 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 3.7 hours before the alert went out and 105 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
- 173 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1207 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 369 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
114
WUUS54 KTSA 200341
SVRTSA
ARC007-015-033-047-087-131-143-200445-
/O.NEW.KTSA.SV.W.0026.120320T0341Z-120320T0445Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1041 PM CDT MON MAR 19 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN BENTON COUNTY IN NORTHWEST ARKANSAS
CARROLL COUNTY IN NORTHWEST ARKANSAS
EASTERN CRAWFORD COUNTY IN NORTHWEST ARKANSAS
MADISON COUNTY IN NORTHWEST ARKANSAS
EASTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS
FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS
NORTHEASTERN SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS
* UNTIL 1145 PM CDT
* AT 1037 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 4 MILES NORTH OF GARFIELD TO MULBERRY...MOVING EAST
AT 40 MPH.
STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
WIND GUSTS TO 60 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...WAR
EAGLE...WESLEY...HOBBS STATE PARK...HINDSVILLE...CLIFTY...JAPTON...
BEAVER...CASS...OZARK...EUREKA SPRINGS...SAINT PAUL...HUNTSVILLE...
WITHROW SPRINGS STATE PARK...FORUM...WIEDERKEHR VILLAGE...ALTUS...
DENNING...AURORA...WITTER...GRANDVIEW...PETTIGREW...MARBLE...
BERRYVILLE...BOSTON...URBANETTE...KINGSTON...RUDD...RULE...OAK
GROVE...GREEN FOREST...OSAGE AND CARROLLTON.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 20 AND 43.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE NEAR THE PATH
OF THIS STORM...BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS.
TAKE COVER ON THE LOWEST FLOOR IN AN INTERIOR ROOM AND STAY AWAY FROM
WINDOWS.
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3612 9347 3609 9347 3608 9344 3597 9345
3587 9352 3577 9351 3576 9369 3539 9370
3540 9413 3650 9406 3650 9330 3612 9329
TIME...MOT...LOC 0341Z 271DEG 35KT 3650 9394 3548 9400
$$2 follow-up statements
265
WWUS54 KTSA 200412
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1112 PM CDT MON MAR 19 2012
ARC007-200422-
/O.CAN.KTSA.SV.W.0026.000000T0000Z-120320T0445Z/
BENTON AR-
1112 PM CDT MON MAR 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BENTON COUNTY IS
CANCELLED...
LAT...LON 3614 9329 3612 9330 3612 9347 3609 9347
3608 9344 3597 9345 3587 9352 3577 9351
3576 9369 3539 9370 3540 9413 3547 9413
3650 9369 3650 9330
TIME...MOT...LOC 0412Z 269DEG 27KT 3649 9358 3542 9404
$$
ARC015-033-047-087-131-143-200445-
/O.CON.KTSA.SV.W.0026.000000T0000Z-120320T0445Z/
CARROLL AR-CRAWFORD AR-FRANKLIN AR-MADISON AR-SEBASTIAN AR-
WASHINGTON AR-
1112 PM CDT MON MAR 19 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR SOUTHEASTERN WASHINGTON...NORTHEASTERN SEBASTIAN...MADISON...
FRANKLIN...NORTHEASTERN CRAWFORD AND CARROLL COUNTIES...
AT 1111 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM PLEASANT RIDGE TO 6 MILES SOUTH OF MULBERRY...MOVING
EAST AT 30 MPH.
STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...JAPTON...
HUNTSVILLE...COMBS...LONELM...TONEY...HARMONY...ALABAM...CRAVENS...
BERRYVILLE...JETHRO...BRASHEARS...URBANETTE...CECIL...AURORA...SAINT
PAUL...TURNERS BEND...CASS...PARADISE...BARNES...WITTER...CABANAL...
MEG...MARBLE...WATALULA...OAK GROVE...REDDING...METALTON...DUTTON...
BLUE EYE...OZARK...GREEN FOREST...RULE...RUDD...TAFT...PETTIGREW...
MOUNTAIN TOP...DRYFORK...CONNOR...WIEDERKEHR VILLAGE...KINGSTON...
BOSTON...ALTUS...DENNING...WEATHERS...COIN...CARROLLTON...DELMAR...
OSAGE...DENVER...RED STAR AND ALIX.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 21 AND 43.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE NEAR THE PATH
OF THIS STORM...YOU SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS AND BE READY TO ACT QUICKLY.
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3614 9329 3612 9330 3612 9347 3609 9347
3608 9344 3597 9345 3587 9352 3577 9351
3576 9369 3539 9370 3540 9413 3547 9413
3650 9369 3650 9330
TIME...MOT...LOC 0412Z 269DEG 27KT 3649 9358 3542 9404
$$466
WWUS54 KTSA 200445
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1145 PM CDT MON MAR 19 2012
ARC015-033-047-087-131-143-200455-
/O.EXP.KTSA.SV.W.0026.000000T0000Z-120320T0445Z/
CARROLL AR-CRAWFORD AR-FRANKLIN AR-MADISON AR-SEBASTIAN AR-
WASHINGTON AR-
1145 PM CDT MON MAR 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON...
NORTHEASTERN SEBASTIAN...MADISON...FRANKLIN...NORTHEASTERN CRAWFORD
AND CARROLL COUNTIES EXPIRES AT 1145 PM CDT...
THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.
GUSTY WINDS...SMALL HAIL AND HEAVY RAIN WILL STILL BE POSSIBLE WITH
THIS STORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT.
LAT...LON 3614 9329 3612 9330 3612 9347 3609 9347
3608 9344 3597 9345 3587 9352 3577 9351
3576 9369 3539 9370 3540 9413 3547 9413
3650 9369 3650 9330
TIME...MOT...LOC 0445Z 269DEG 27KT 3649 9327 3542 9374
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 9:41 PM CDT | Flash Flood Warning | TSA | Benton, Crawford, Sebastian, Washington | 6 hr |
| Mar 19, 9:44 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Madison, Sebastian, Washington | 61 min |
| Mar 19, 9:57 PM CDT | Tornado Warning | TSA | Crawford, Washington | 33 min |
| Mar 19, 10:47 PM CDT | Areal Flood Advisory | TSA | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 118 min |
| Mar 20, 2:05 AM CDT | Flash Flood Warning | TSA | Benton, Carroll, Crawford, Franklin, Madison, Washington | 12 hr |
| Mar 20, 2:09 AM CDT | Flash Flood Warning | TSA | Crawford, Franklin, Sebastian | 12 hr |
| Mar 20, 10:47 AM CDT | River Flood Warning | TSA | Crawford, Sebastian | 50 hr |
| Mar 20, 11:13 AM CDT | River Flood Warning | TSA | Crawford | 16 hr |
| Mar 20, 1:51 PM CDT | Flash Flood Warning | TSA | Crawford, Franklin, Sebastian | 8 hr |
| Mar 20, 1:55 PM CDT | Flash Flood Warning | TSA | Benton, Carroll, Crawford, Franklin, Madison, Washington | 8 hr |
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.