Alert archive / Arkansas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 172, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 1, 2012, 4:00 PM CDT for Carroll County, Arkansas. It was in force for 45 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
- Aug 1, 2012, 4:00 PM CDT (21:00 UTC)
- Expired
- Aug 1, 2012, 4:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Carroll County, AR
The radar
The Springfield radar (KSGF), 104 km from the middle of the area, began a volume at 21:03 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 12:00Z, 9.0 hours before the alert went out and 76 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
- 323 J/kg
- Mixed-layer CIN
- -264 J/kg
- Mixed-layer LCL
- 1990 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 224 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
886
WUUS54 KTSA 012100
SVRTSA
ARC015-012145-
/O.NEW.KTSA.SV.W.0172.120801T2100Z-120801T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
400 PM CDT WED AUG 1 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN CARROLL COUNTY IN NORTHWEST ARKANSAS
* UNTIL 445 PM CDT
* AT 358 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 4 MILES NORTH OF
URBANETTE...MOVING SOUTHEAST AT 35 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
URBANETTE...OAK GROVE...BERRYVILLE...GREEN FOREST...RULE...RUDD...
CARROLLTON AND OSAGE.
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.
THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO
HIGH WINDS AND MAY BE OVERTURNED.
&&
LAT...LON 3612 9330 3612 9345 3644 9365 3650 9358
3650 9330 3649 9329 3612 9329
TIME...MOT...LOC 2100Z 318DEG 29KT 3647 9354
$$3 follow-up statements
291
WWUS54 KTSA 012117
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
417 PM CDT WED AUG 1 2012
ARC015-012145-
/O.CON.KTSA.SV.W.0172.000000T0000Z-120801T2145Z/
CARROLL AR-
417 PM CDT WED AUG 1 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
EASTERN CARROLL COUNTY...
AT 415 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OAK GROVE...
MOVING EAST AT 20 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CABANAL...
OAK GROVE...BLUE EYE...GREEN FOREST...RULE...RUDD...CONNOR...COIN...
DENVER...OSAGE...CARROLLTON AND DELMAR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO
HIGH WINDS AND MAY BE OVERTURNED.
&&
LAT...LON 3612 9345 3632 9357 3650 9358 3650 9330
3649 9329 3612 9329
TIME...MOT...LOC 2117Z 289DEG 19KT 3646 9346
$$072
WWUS54 KTSA 012130
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
430 PM CDT WED AUG 1 2012
ARC015-012145-
/O.CON.KTSA.SV.W.0172.000000T0000Z-120801T2145Z/
CARROLL AR-
430 PM CDT WED AUG 1 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
NORTHEASTERN CARROLL COUNTY...
AT 428 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DENVER...
MOVING SOUTHEAST AT 20 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...DENVER AND
COIN.
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.
THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO
HIGH WINDS AND MAY BE OVERTURNED.
&&
LAT...LON 3629 9329 3634 9347 3642 9355 3650 9358
3650 9330 3649 9329
TIME...MOT...LOC 2130Z 300DEG 18KT 3644 9331
$$100
WWUS54 KTSA 012138
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
438 PM CDT WED AUG 1 2012
ARC015-012149-
/O.EXP.KTSA.SV.W.0172.000000T0000Z-120801T2145Z/
CARROLL AR-
438 PM CDT WED AUG 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CARROLL COUNTY
EXPIRES AT 445 PM CDT...
THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW
SEVERE LIMITS...THEREFORE THE SEVERE THUNDERSTORM WARNING WILL BE
ALLOWED TO EXPIRE.
LAT...LON 3629 9329 3634 9347 3642 9355 3650 9358
3650 9330 3649 9329
TIME...MOT...LOC 2139Z 300DEG 18KT 3642 9326
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 4:42 PM CDT | Special Weather Statement | TSA | Carroll | 33 min |
| Aug 1, 4:56 PM CDT | Severe Thunderstorm Warning | TSA | Carroll | 55 min |
| Aug 1, 6:35 PM CDT | Special Weather Statement | TSA | Carroll | 40 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.