Alert archive / Arkansas / Special Weather Statements in 2012
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Apr 15, 2012, 1:14 PM CDT for Washington County, Arkansas. It was in force for 31 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, 1:14 PM CDT (18:14 UTC)
- Expired
- Apr 15, 2012, 1:45 PM CDT
- In force
- 31 min
- Issued by
- NWS Tulsa, OK
County Washington County, AR
The radar
The Western Arkansas radar (KSRX), 102 km from the middle of the area, began a volume at 18:15 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, 6.2 hours before the alert went out and 85 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.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at Apr 15, 1:02 PM CDT, 12 minutes earlier.
Area forecast discussion, Apr 15, 1:02 PM CDT, 12 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 450 AM CDT SUN APR 15 2012 ARZ001-002-010-011-019-020-029-OKZ049-053>076-161000- ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK- CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK- LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK- OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK- PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK- WASHINGTON OK-WASHINGTON AR- 450 AM CDT SUN APR 15 2012 ...SEVERE STORM THREAT CONTINUES FOR PARTS OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS MORNING... THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TODAY AND TONIGHT. TORNADO. RISK...LIMITED. AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. ONSET...ONGOING. SEVERE THUNDERSTORM. RISK...ELEVATED. AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. ONSET...ONGOING. SIGNIFICANT WINDS. RISK...LIMITED. AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. ONSET...ONGOING. DISCUSSION... A LINE OF STRONG TO SEVERE THUNDERSTORMS CURRENTLY VERY NEAR THE INTERSTATE 35 CORRIDOR WILL CONTINUE TO MOVE EASTWARD INTO EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS MORNING. INSTABILITY OVER FAR EASTERN OKLAHOMA AND NORTHWEST ARKANSAS IS REDUCED...WHICH WILL DIMINISH THE OVERALL THREAT FOR SIGNIFICANT SEVERE WEATHER. HOWEVER...LARGE HAIL TO THE SIZE OF HALF DOLLARS AND WINDS TO 70 MPH WILL BE POSSIBLE WITH THE STRONGEST STORMS. ISOLATED TORNADOES ON THE LEADING EDGE OF THE LINE OF STORMS MAY ALSO OCCUR. THUNDERSTORMS SHOULD EXIT THE AREA BY LATE AFTERNOON. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... LOCAL SPOTTER ACTIVATION MAY BE NEEDED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. MONDAY THROUGH WEDNESDAY...NO HAZARDS. THURSDAY AND FRIDAY...THUNDERSTORM POTENTIAL. SATURDAY...NO HAZARDS. EXTENDED DISCUSSION... QUIET WEATHER WILL PREVAIL FOR THE EARLY PART OF THE WORK WEEK. THUNDERSTORM CHANCES WILL INCREASE FOR THURSDAY AND FRIDAY AS A FRONT APPROACHES THE AREA. WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.
In the hours before
Special weather statement, Apr 15, 11:28 AM CDT, 1 hour 46 minutes before
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</html>Special weather statement, Apr 15, 1:14 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 12:40 AM CDT | Wind Advisory | TSA | Creek, Okfuskee, Okmulgee, Pawnee, Tulsa, Washington | 3 hr |
| Apr 15, 3:41 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 64 min |
| Apr 15, 4:43 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee | 62 min |
| Apr 15, 5:05 AM CDT | Special Weather Statement | TSA | Creek | 55 min |
| Apr 15, 5:30 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Nowata, Osage, Pawnee, Rogers, Tulsa and 1 more | 60 min |
| Apr 15, 5:47 AM CDT | Special Weather Statement | TSA | Okfuskee, Okmulgee, Rogers, Tulsa | 58 min |
| Apr 15, 5:51 AM CDT | Tornado Warning | TSA | Nowata, Osage, Rogers, Tulsa, Washington | 24 min |
| Apr 15, 6:22 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Mayes, Nowata, Ottawa, Rogers | 53 min |
| Apr 15, 6:41 AM CDT | Special Weather Statement | TSA | Mayes, Okmulgee, Wagoner | 64 min |
| Apr 15, 6:43 AM CDT | Special Weather Statement | TSA | McIntosh, Pittsburg | 62 min |
| Apr 15, 7:41 AM CDT | Special Weather Statement | TSA | Delaware | 34 min |
| Apr 15, 7:44 AM CDT | Special Weather Statement | TSA | McIntosh, Muskogee, Pittsburg, Wagoner | 31 min |
| Apr 15, 8:13 AM CDT | Special Weather Statement | TSA | Cherokee, Delaware, Muskogee | 62 min |
| Apr 15, 8:14 AM CDT | Special Weather Statement | TSA | Haskell, Latimer, Pittsburg, Pushmataha, Sequoyah | 61 min |
| Apr 15, 9:13 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Muskogee | 62 min |
| Apr 15, 9:16 AM CDT | Tornado Warning | TSA | Adair, Cherokee | 29 min |
| Apr 15, 9:42 AM CDT | Tornado Warning | TSA | Adair | 33 min |
| Apr 15, 11:28 AM CDT | Special Weather Statement | TSA | LeFlore | 62 min |
| Apr 15, 12:42 PM CDT | River Flood Warning | TSA | Rogers, Tulsa | 7 hr |
| Apr 15, 10:13 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Washington | 24 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, 1:19 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Washington | 26 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
Special Weather Statements in Arkansas, 2012Every special weather statement 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.