Alert archive / Oklahoma / Special Weather Statements in 2014
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Aug 18, 2014, 12:47 PM CDT for Cherokee County, Oklahoma. It was in force for 43 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 18, 2014, 12:47 PM CDT (17:47 UTC)
- Expired
- Aug 18, 2014, 1:30 PM CDT
- In force
- 43 min
- Issued by
- NWS Tulsa, OK
County Cherokee County, OK
The radar
The Tulsa radar (KINX), 57 km from the middle of the area, began a volume at 17:47 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, 5.8 hours before the alert went out and 134 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
- 168 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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 Aug 18, 12:42 PM CDT, 5 minutes earlier.
Area forecast discussion, Aug 18, 12:42 PM CDT, 5 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1242 PM CDT MON AUG 18 2014 .AVIATION... CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM. A SLIGHT CHANCE FOR SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE ACROSS THE CWA INTO THE EVENING HOURS. WILL KEEP MENTION OUT OF MOST TAF SITES FOR NOW DUE TO LIMITED COVERAGE. FROM CURRENT RADAR TRENDS...MLC LOOKS TO HAVE A GREATER CHANCE AND WILL ADD VCTS FOR THIS AFTERNOON. OTHERWISE...FEW TO BROKEN HIGH LEVEL CLOUDS SHOULD REMAIN COMMON OVERNIGHT AND TUESDAY WITH SOUTHWESTERLY WINDS. VFR CONDITIONS SHOULD PERSIST THROUGH THE PERIOD. && .PREV DISCUSSION... /ISSUED 1016 AM CDT MON AUG 18 2014/ ..UPDATE... DISCUSSION... A FRONTAL BOUNDARY WAS POSITIONED NEAR THE OKLAHOMA KANSAS BORDER THIS MORNING WITH PARTLY TO MOSTLY CLOUDY SKIES OVER NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. A FEW SHOWERS AND THUNDERSTORMS HAD DEVELOPED NEAR THE FRONT...MOVING SOUTH ACROSS FAR SOUTHEAST KANSAS AND NORTHEAST OKLAHOMA. OVER SOUTHEAST OKLAHOMA INTO WEST CENTRAL ARKANSAS...MOSTLY CLEAR SKIES WERE COMMON. ISOLATED TO SCATTERED RAIN SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE ACROSS THE CWA TODAY...WITH ADDITIONAL CHANCES POSSIBLE NEAR THE FRONT OVER NORTHEAST OKLAHOMA INTO NORTHWEST ARKANSAS TONIGHT. MODEL SOUNDINGS INDICATE THAT THE CLOUD COVER THIS AFTERNOON SHOULD TRY TO SCATTER OUT...INCREASING DAYTIME HEATING. THESE CONDITIONS COULD ALLOW FOR A LIMITED POTENTIAL FOR A THUNDERSTORM TO BECOME STRONG TO SEVERE...WITH STRONG WINDS BEING THE MAIN HAZARD. THUS...WILL KEEP THE SLIGHT CHANCE POP GOING FOR TODAY AND ADD MINOR TWEAKS TO SKY AND TEMP GRIDS FOR THIS AFTERNOON. && .PRELIMINARY POINT TEMPS/POPS... TUL 74 98 76 98 / 20 10 10 10 FSM 73 97 74 98 / 10 10 0 10 MLC 74 95 74 96 / 10 10 0 0 BVO 71 99 71 99 / 20 20 10 10 FYV 72 93 71 92 / 30 30 10 10 BYV 73 93 74 94 / 30 30 10 10 MKO 72 96 73 96 / 10 10 0 0 MIO 72 96 73 97 / 30 30 10 10 F10 72 96 75 96 / 10 10 0 0 HHW 72 97 73 97 / 10 10 0 0 && .TSA WATCHES/WARNINGS/ADVISORIES... OK...NONE. AR...NONE. && SHORT TERM...99 LONG TERM....99 AVIATION...20
Hazardous weather outlook, Aug 18, 5:04 AM CDT, 7 hours 43 minutes before
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</html>In the hours before
Special weather statement, Aug 18, 11:32 AM CDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1132 AM CDT MON AUG 18 2014
OKZ057-062-181700-
CRAIG OK-MAYES OK-
1132 AM CDT MON AUG 18 2014
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL NOON CDT
FOR THE FOLLOWING COUNTIES...
IN NORTHEAST OKLAHOMA
SOUTHERN CRAIG AND NORTHEASTERN MAYES
AT 1132 AM CDT...A STRONG THUNDERSTORM WAS LOCATED 2 MILES EAST OF
WHITE OAK...MOVING SOUTH AT 20 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...VINITA...BIG CABIN...WHITE OAK...
SPAVINAW...STRANG...ADAIR...PENSACOLA...LANGLEY...SPAVINAW STATE PARK
AND CHEROKEE STATE PARK.
THIS STORM WILL BE CAPABLE OF PRODUCING NICKEL SIZE HAIL AND WIND
GUSTS TO 50 MPH.
LAT...LON 3640 9500 3638 9500 3630 9527 3665 9534
3670 9515
TIME...MOT...LOC 1632Z 340DEG 18KT 3660 9522Special weather statement, Aug 18, 12:47 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1247 PM CDT MON AUG 18 2014
OKZ063-068-181830-
CHEROKEE OK-DELAWARE OK-
1247 PM CDT MON AUG 18 2014
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 130 PM CDT
FOR THE FOLLOWING COUNTIES...
IN EAST CENTRAL OKLAHOMA
NORTHEASTERN CHEROKEE
IN NORTHEAST OKLAHOMA
SOUTHWESTERN DELAWARE
AT 1247 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES WEST OF
LEACH...MOVING SOUTH AT 20 MPH. SOME LOCATIONS THAT WILL BE AFFECTED
BY THIS STORM INCLUDE...LEACH AND SCRAPER.
THIS STORM WILL BE CAPABLE OF PRODUCING NICKEL SIZE HAIL AND WIND
GUSTS TO 40 MPH.
LAT...LON 3605 9480 3602 9480 3594 9506 3616 9509
3616 9501 3623 9501 3627 9491
TIME...MOT...LOC 1747Z 339DEG 16KT 3617 9500The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 3:15 AM CDT | Special Weather Statement | TSA | Osage, Pawnee | 45 min |
| Aug 18, 11:32 AM CDT | Special Weather Statement | TSA | Mayes | 28 min |
| Aug 18, 1:13 PM CDT | Special Weather Statement | TSA | Cherokee | 32 min |
| Aug 18, 1:15 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 45 min |
| Aug 18, 1:40 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 35 min |
| Aug 18, 1:59 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Sequoyah | 46 min |
| Aug 18, 2:32 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 43 min |
| Aug 18, 2:52 PM CDT | Special Weather Statement | TSA | Haskell | 38 min |
| Aug 18, 3:09 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 51 min |
| Aug 18, 3:31 PM CDT | Special Weather Statement | TSA | Creek | 29 min |
| Aug 18, 3:39 PM CDT | Special Weather Statement | TSA | LeFlore | 36 min |
| Aug 18, 3:47 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 43 min |
| Aug 18, 3:57 PM CDT | Special Weather Statement | TSA | Creek | 33 min |
| Aug 18, 4:11 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 64 min |
| Aug 18, 4:26 PM CDT | Special Weather Statement | TSA | Creek | 49 min |
| Aug 18, 4:39 PM CDT | Areal Flood Advisory | TSA | Creek, Pawnee, Tulsa | 3 hr |
| Aug 18, 5:03 PM CDT | Special Weather Statement | TSA | Pawnee | 27 min |
| Aug 18, 5:29 PM CDT | Special Weather Statement | TSA | Pawnee | 31 min |
| Aug 18, 5:48 PM CDT | Areal Flood Advisory | TSA | Pawnee | 117 min |
| Aug 18, 5:59 PM CDT | Flash Flood Warning | TSA | Pawnee | 4 hr |
| Aug 18, 6:03 PM CDT | Special Weather Statement | TSA | Creek | 27 min |
| Aug 18, 6:06 PM CDT | Special Weather Statement | TSA | Creek | 24 min |
| Aug 18, 6:31 PM CDT | Special Weather Statement | TSA | Creek | 14 min |
| Aug 17, 9:51 PM CDT | Areal Flood Advisory | TSA | Madison | 3 hr |
Nearby
Special Weather Statements in Oklahoma, 2014Every special weather statement in 2014
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.