Alert archive / Oklahoma / Special Weather Statements in 2009
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Jul 9, 2009, 1:07 AM CDT for Osage County, Oklahoma. It was in force for 23 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
- Jul 9, 2009, 1:07 AM CDT (06:07 UTC)
- Expired
- Jul 9, 2009, 1:30 AM CDT
- In force
- 23 min
- Issued by
- NWS Tulsa, OK
County Osage County, OK
The radar
The Tulsa radar (KINX), 101 km from the middle of the area, began a volume at 06:10 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, 6.1 hours before the alert went out and 109 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
- 1026 J/kg
- Mixed-layer CIN
- -201 J/kg
- Mixed-layer LCL
- 2080 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 228 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS84 KTSA 090607
SPSTSA
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
107 AM CDT THU JUL 9 2009
OKZ054-090630-
OSAGE OK-
107 AM CDT THU JUL 9 2009
...SIGNIFICANT WEATHER ALERT...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 130 AM CDT
FOR THE FOLLOWING COUNTY...
IN NORTHEAST OKLAHOMA
NORTHEASTERN OSAGE
AT 107 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 9 MILES
NORTH OF PEARSONIA...MOVING SOUTHEAST AT 20 MPH. SOME LOCATIONS THAT
WILL BE AFFECTED BY THIS STORM INCLUDE...PAWHUSKA...PEARSONIA AND
BIGHEART.
THIS STORM 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 3683 9604 3664 9635 3693 9656 3700 9646
3700 9633
TIME...MOT...LOC 0607Z 318DEG 18KT 3692 9640
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 1:31 AM CDT | Special Weather Statement | TSA | Osage | 44 min |
| Jul 9, 1:47 AM CDT | Areal Flood Advisory | TSA | Osage | 118 min |
| Jul 9, 2:14 AM CDT | Special Weather Statement | TSA | Washington | 46 min |
| Jul 9, 3:58 AM CDT | Special Weather Statement | TSA | Osage | 47 min |
| Jul 9, 4:06 AM CDT | Special Weather Statement | TSA | Pawnee | 39 min |
| Jul 9, 4:22 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 53 min |
| Jul 9, 5:57 AM CDT | Special Weather Statement | TSA | Creek | 33 min |
| Jul 9, 6:29 AM CDT | Special Weather Statement | TSA | Tulsa | 46 min |
| Jul 9, 6:37 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okmulgee, Tulsa | 28 min |
| Jul 9, 4:15 PM CDT | Excessive Heat Watch | TSA | Cherokee, Choctaw, Craig, Creek, Haskell, Latimer and 13 more | 23 hr |
| Jul 9, 4:15 PM CDT | Heat Advisory | TSA | Cherokee, Choctaw, Craig, Creek, Haskell, Latimer and 13 more | 39 hr |
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.