Alert archive / Oklahoma / Special Weather Statements in 2012
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Apr 3, 2012, 4:50 PM CDT for Pittsburg County, Oklahoma. It was in force for 40 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 3, 2012, 4:50 PM CDT (21:50 UTC)
- Expired
- Apr 3, 2012, 5:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Tulsa, OK
County Pittsburg County, OK
The radar
The Western Arkansas radar (KSRX), 135 km from the middle of the area, began a volume at 21:51 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
Fort Worth, TX (KFWD), launched 12:00Z, 9.8 hours before the alert went out and 256 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
- 1939 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 469 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.8
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 3, 3:34 PM CDT, 1 hour 16 minutes earlier.
Area forecast discussion, Apr 3, 3:34 PM CDT, 1 hour 16 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 334 PM CDT TUE APR 3 2012 .DISCUSSION... UPPER LOW CENTERED OVER TX PANHANDLE MOVING SLOWLY EAST WITH ASSOCIATED JET STREAK ROUNDING BASE INTO EASTERN OK. RELATIVELY DRY AND STABLE AIRMASS REMAINS OVER AREA NORTH OF I-40 WHILE BREAKS IN CLOUD COVER HAVE ALLOWED MODEST DESTABILIZATION TO THE SOUTH. LEADING EDGE OF PRECIP SHIELD CONTINUES TO STRUGGLE TO MAKE PROGRESS EAST...WHILE THUNDERSTORMS ON THE VERGE OF MOVING INTO SE OKLAHOMA. TRUE WARM FRONT REMAINS OVER NORTH TEXAS...WHERE TORNADIC STORMS HAVE IMPACTED DFW METROPLEX. SOME OF THESE STORMS WILL MAKE A RUN AT FAR SE OKLAHOMA IN NEXT FEW HOURS LIKELY MAINTAINING SEVERE WEATHER THREAT AT LEAST ACROSS SE OK AND WEST CENTRAL ARK THROUGH THE EVENING...WITH A NON-ZERO TORNADO THREAT EXTENDING TO ABOUT I-40. SEVERE WEATHER THREAT WILL REMAIN DIMINISHED SIGNIFICANTLY OVER NE OKLAHOMA AND NW ARKANSAS AS SFC BASED STORMS NOT ANTICIPATED. STORMS WILL SWEEP NE THROUGH THE EVENING WITH MID LEVEL DRY SLOT PUSHING INTO THE AREA AND SFC COLD FRONT SWEEPING THROUGH. MODELS STILL DIFFER A BIT ON DETAILS...BUT THE IDEA IS TO BRING THE CUTOFF LOW SLOWLY EAST WEDNESDAY AFTERNOON AND EVENING. COLD POCKET OF 500 MB TEMPS SHOULD GENERATE STEEP ENOUGH LAPSE RATES FOR SCATTERED THUNDERSTORMS IN THE AFTERNOON AND EVENING...A FEW STRONG OR SEVERE HAIL PRODUCERS POSSIBLE IF ADEQUATE SFC HEATING CAN TAKE PLACE. LOW AND ASSOCIATED PRECIP CHANCES WILL SHIFT EAST OF THE AREA BY LATE THURSDAY WITH UPPER RIDGE OVER THE AREA BY FRIDAY. DRY LINE WILL SET UP AGAIN BY FRIDAY AFTERNOON TO THE WEST WITH AN ALMOST SUMMER-LIKE COLD FRONT SAGGING SOUTH TOWARD THE AREA BY EARLY SATURDAY. A FEW STORMS MAY DEVELOP ON THE FRONT AND MOVE INTO FAR NE OKLAHOMA AS EARLY AS LATER FRIDAY NIGHT...WITH CHANCES INCREASING ON SATURDAY. THE FRONT WILL STALL WITH A LACK OF UPPER LEVEL SUPPORT UNTIL EARLY IN THE WEEK MAINTAIN SOME CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MONDAY...WITH TEMPS TRENDING BELOW NORMAL FOR A CHANGE. && .PRELIMINARY POINT TEMPS/POPS... TUL 59 73 52 71 / 70 30 30 10 FSM 63 80 53 73 / 80 20 30 10 MLC 59 76 51 73 / 80 20 20 10 BVO 56 73 49 69 / 70 30 30 10 FYV 59 75 48 67 / 80 30 30 20 BYV 61 76 51 66 / 80 40 40 30 MKO 59 74 51 70 / 90 20 30 10 MIO 60 74 51 67 / 80 30 40 20 F10 58 73 52 70 / 80 20 20 10 HHW 59 76 53 74 / 80 10 20 10 && .TSA WATCHES/WARNINGS/ADVISORIES... OK...NONE. AR...NONE. && SHORT TERM...07 LONG TERM....14
Hazardous weather outlook, Apr 3, 12:40 PM CDT, 4 hours 10 minutes before
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</html>In the hours before
Special weather statement, Apr 3, 4:01 PM CDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
401 PM CDT TUE APR 3 2012
OKZ073-032145-
PITTSBURG OK-
401 PM CDT TUE APR 3 2012
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 445 PM CDT
FOR THE FOLLOWING COUNTY...
IN SOUTHEAST OKLAHOMA
WESTERN PITTSBURG
AT 401 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 10 MILES SOUTH OF
ASHLAND...MOVING NORTHEAST AT 30 MPH.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ASHLAND...
KIOWA...SAVANNA...HAYWOOD...INDIANOLA AND SCIPIO.
THIS STORM WILL BE CAPABLE OF PRODUCING PENNY SIZE HAIL. THIS STORM
WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH. RESIDENTS IN THESE
AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT WEATHER ADVISORY IS
UPGRADED TO A WARNING.
LAT...LON 3505 9610 3507 9607 3509 9607 3513 9601
3515 9601 3514 9591 3517 9588 3519 9577
3518 9575 3519 9574 3464 9588 3468 9589
3468 9609
TIME...MOT...LOC 2101Z 208DEG 27KT 3466 9606Special weather statement, Apr 3, 4:50 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
450 PM CDT TUE APR 3 2012
OKZ049-073-075-032230-
LATIMER OK-PITTSBURG OK-PUSHMATAHA OK-
450 PM CDT TUE APR 3 2012
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 530 PM CDT
FOR THE FOLLOWING COUNTIES...
IN SOUTHEAST OKLAHOMA
SOUTHEASTERN PITTSBURG...NORTHERN PUSHMATAHA AND WESTERN LATIMER
AT 450 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 5 MILES NORTHEAST OF BLANCO TO 14 MILES SOUTHEAST OF
BLANCO...MOVING EAST AT 30 MPH.
SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...KREBS...
ALDERSON...HARTSHORNE AND HIGGINS.
THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ADVISORY IS UPGRADED TO A WARNING.
LAT...LON 3459 9568 3459 9585 3490 9591 3510 9544
3457 9538 3453 9568
TIME...MOT...LOC 2150Z 252DEG 25KT 3478 9568 3457 9565The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 7:00 AM CDT | Special Weather Statement | TSA | Pittsburg | 60 min |
| Apr 3, 7:27 AM CDT | Special Weather Statement | TSA | Pittsburg | 63 min |
| Apr 3, 8:00 AM CDT | Areal Flood Advisory | TSA | Haskell, Latimer, Pittsburg, Pushmataha | 60 min |
| Apr 3, 9:04 AM CDT | Areal Flood Advisory | TSA | Haskell, Latimer, LeFlore, Pushmataha | 116 min |
| Apr 3, 4:01 PM CDT | Special Weather Statement | TSA | Pittsburg | 44 min |
| Apr 3, 5:33 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer | 42 min |
| Apr 3, 6:09 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, LeFlore | 36 min |
| Apr 3, 6:24 PM CDT | Special Weather Statement | TSA | Haskell | 51 min |
| Apr 3, 6:44 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 46 min |
Nearby
Special Weather Statements in Oklahoma, 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.