Alert archive / Oklahoma / Special Weather Statements in 2009
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Aug 19, 2009, 3:13 AM CDT for 6 counties in Oklahoma. It was in force for 77 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 19, 2009, 3:13 AM CDT (08:13 UTC)
- Expired
- Aug 19, 2009, 4:30 AM CDT
- In force
- 77 min
- Issued by
- NWS Tulsa, OK
Counties Creek County, OK, Okfuskee County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Tulsa County, OK
The radar
The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 08:14 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
Lamont, OK (KLMN), launched 00:00Z, 8.2 hours before the alert went out and 124 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
- 450 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 755 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS84 KTSA 190813
SPSTSA
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
313 AM CDT WED AUG 19 2009
OKZ054-055-059-060-064>066-071-190930-
CREEK OK-MCINTOSH OK-OKFUSKEE OK-OKMULGEE OK-OSAGE OK-PAWNEE OK-TULSA
OK-WASHINGTON OK-
313 AM CDT WED AUG 19 2009
...SIGNIFICANT WEATHER ALERT...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 430 AM CDT
FOR THE FOLLOWING COUNTIES...
IN NORTHEAST OKLAHOMA
OKMULGEE...WASHINGTON...OSAGE...CREEK...TULSA AND PAWNEE
IN EAST CENTRAL OKLAHOMA
OKFUSKEE
IN SOUTHEAST OKLAHOMA
WESTERN MCINTOSH
AT 312 AM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 23 MILES NORTHWEST OF APPERSON TO 7 MILES
SOUTHWEST OF BURBANK TO 3 MILES NORTHWEST OF SHAMROCK TO 11 MILES
SOUTHWEST OF BEARDEN...MOVING EAST AT 40 MPH.
THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 50 MPH ACROSS MUCH OF THE ALERT AREA.
LAT...LON 3700 9619 3661 9591 3617 9582 3613 9576
3586 9582 3573 9571 3521 9571 3520 9599
3529 9599 3529 9643 3546 9645 3544 9656
3538 9654 3540 9663 3616 9663 3616 9679
3659 9690 3669 9699 3679 9676 3700 9674
TIME...MOT...LOC 0812Z 270DEG 35KT 3697 9708 3663 9683
3594 9660 3525 9653
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 2:35 AM CDT | Special Weather Statement | TSA | Creek, Pawnee | 55 min |
| Aug 19, 4:04 AM CDT | Special Weather Statement | TSA | Craig, McIntosh, Mayes, Muskogee, Nowata, Pittsburg and 3 more | 56 min |
| Aug 19, 1:13 PM CDT | Special Weather Statement | TSA | Sequoyah | 47 min |
| Aug 19, 1:23 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Sequoyah | 19 min |
| Aug 19, 1:27 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Washington | 63 min |
| Aug 19, 2:10 PM CDT | Special Weather Statement | TSA | Crawford | 35 min |
| Aug 19, 2:32 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin | 58 min |
| Aug 19, 2:42 PM CDT | Special Weather Statement | TSA | Franklin | 48 min |
| Aug 19, 3:22 PM CDT | Special Weather Statement | TSA | Franklin | 38 min |
Nearby
Special Weather Statements in Oklahoma, 2009Every special weather statement in 2009
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.