Alert archive / Oklahoma / Special Weather Statements in 2007
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Oct 2, 2007, 4:47 PM CDT for Craig 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
- Oct 2, 2007, 4:47 PM CDT (21:47 UTC)
- Expired
- Oct 2, 2007, 5:30 PM CDT
- In force
- 43 min
- Issued by
- NWS Tulsa, OK
County Craig County, OK
The radar
The Tulsa radar (KINX), 82 km from the middle of the area, began a volume at 21:48 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, 9.8 hours before the alert went out and 128 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
- 635 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 864 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 96 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 Oct 2, 4:01 PM CDT, 46 minutes earlier.
Area forecast discussion, Oct 2, 4:01 PM CDT, 46 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 401 PM CDT TUE OCT 2 2007 .MESOSCALE UPDATE... MESOSCALE GRIDS SHOW MODERATE CAPE AND SHEAR ACROSS NORTHEAST OKLAHOMA...WITH VALUES MAXIMIZED ACROSS OSAGE COUNTY...AS WELL AS PORTIONS OF WASHINGTON...NOWATA... PAWNEE...CREEK AND TULSA COUNTIES. THE SHEAR AND INSTABILITY PARAMETERS WERE MAXIMIZED ALONG A ZONE FROM NEAR PAWNEE TO COPAN WHERE SFC BASED CAPES TO 2000 J/KG ARE IN PLACE WITH SHEAR TO 1KM OF 30 KNOTS. HODOGRAPHS SHOW STRONG LOW-LEVEL TURNING IN THESE AREAS AS WELL. MID-LEVEL STORM RELATIVE WINDS ARE WEAK WITH THE CURRENT STORM MOTIONS...BUT A DROP IN CELL SPEEDS TO AROUND 25 KNOTS AND ANY RIGHT MOTION DEVIATION WOULD RESULTED IN A MUCH MORE FAVORABLE PROFILE. STRONG CELLS THAT CROSSED OSAGE COUNTY SO FAR TODAY HAVE BECOME SUPERCELLS WITH SUSTAINED MESOCYCLONES. GIVEN ALL THE ABOVE THERE IS SOME LIMITED TORNADO THREAT IN NORTHEAST OKLAHOMA INTO THE EVENING HOURS. && .TSA WATCHES/WARNINGS/ADVISORIES... OK...NONE. AR...NONE. && SHORT TERM...08 LONG TERM....99
Hazardous weather outlook, Oct 2, 4:26 PM CDT, 21 minutes before
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</html>In the hours before
Special weather statement, Oct 2, 3:51 PM CDT, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
351 PM CDT TUE OCT 2 2007
OKZ054-059-022145-
OSAGE OK-PAWNEE OK-
351 PM CDT TUE OCT 2 2007
...SIGNIFICANT WEATHER ALERT...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 445 PM CDT
FOR THE FOLLOWING COUNTIES...
IN NORTHEAST OKLAHOMA
OSAGE AND PAWNEE
AT 351 PM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 6 MILES NORTHEAST OF OKESA TO 16 MILES WEST OF
PAWNEE...MOVING EAST AT 30 MPH. A LARGE PORTION OF SOUTHERN AND EASTERN
OSAGE AND PAWNEE COUNTIES WILL BE AFFECTED BY THESE STORMS THROUGH
445 PM CDT.
THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.
LAT...LON 3699 9601 3656 9600 3620 9650 3629 9694
3632 9694 3635 9705 3646 9706 3655 9700
3658 9691 3659 9698 3669 9691
TIME...MOT...LOC 2051Z 269DEG 27KT 3677 9603 3634 9706Special weather statement, Oct 2, 4:47 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 |
|---|---|---|---|---|
| Oct 2, 3:08 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 37 min |
| Oct 2, 3:44 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 61 min |
| Oct 2, 3:51 PM CDT | Special Weather Statement | TSA | Osage, Pawnee | 54 min |
| Oct 2, 4:15 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 45 min |
| Oct 2, 4:59 PM CDT | Special Weather Statement | TSA | Craig, Nowata, Osage, Ottawa, Pawnee, Rogers and 2 more | 61 min |
| Oct 2, 5:57 PM CDT | Special Weather Statement | TSA | Craig, Mayes, Nowata, Osage, Ottawa, Pawnee and 3 more | 63 min |
| Oct 2, 6:58 PM CDT | Special Weather Statement | TSA | Cherokee, Creek, Delaware, Mayes, Rogers, Tulsa and 1 more | 62 min |
Nearby
Special Weather Statements in Oklahoma, 2007Every special weather statement in 2007
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.