Alert archive / Oklahoma / Special Weather Statements in 2012
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Apr 14, 2012, 5:12 AM CDT for Creek County, Oklahoma. It was in force for 33 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 14, 2012, 5:12 AM CDT (10:12 UTC)
- Expired
- Apr 14, 2012, 5:45 AM CDT
- In force
- 33 min
- Issued by
- NWS Tulsa, OK
County Creek County, OK
The radar
The Tulsa radar (KINX), 67 km from the middle of the area, began a volume at 10:12 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
Norman, OK (KOUN), launched 00:00Z, 10.2 hours before the alert went out and 145 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
- 2227 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 617 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 269 m²/s²
- 0-3 km storm-relative helicity
- 389 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 15.6
The text
As transmitted, in the capitals the NWS used until 2016.
760
WWUS84 KTSA 141012
SPSTSA
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
512 AM CDT SAT APR 14 2012
OKZ054-059-060-064-141045-
CREEK OK-OSAGE OK-PAWNEE OK-TULSA OK-
512 AM CDT SAT APR 14 2012
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 545 AM CDT
FOR THE FOLLOWING COUNTIES...
IN NORTHEAST OKLAHOMA
NORTHERN CREEK...SOUTHERN OSAGE...EASTERN PAWNEE AND FAR WESTERN
TULSA
AT 512 AM CDT...A STRONG THUNDERSTORM WAS CENTERED OVER MANNFORD...
MOVING NORTHEAST AT 25 MPH.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
WESTPORT...KEYSTONE STATE PARK AND WALNUT CREEK STATE PARK.
THIS STORM 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 3631 9622 3608 9613 3605 9650 3616 9647
TIME...MOT...LOC 1012Z 247DEG 22KT 3613 9635
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 8:44 PM CDT | Special Weather Statement | TSA | Osage | 31 min |
| Apr 13, 9:16 PM CDT | Special Weather Statement | TSA | Osage | 29 min |
| Apr 13, 9:42 PM CDT | Special Weather Statement | TSA | Osage | 33 min |
| Apr 14, 12:35 AM CDT | Special Weather Statement | TSA | Creek | 25 min |
| Apr 14, 12:40 AM CDT | Special Weather Statement | TSA | Pawnee | 35 min |
| Apr 14, 1:18 AM CDT | Special Weather Statement | TSA | Pawnee | 57 min |
| Apr 14, 2:09 AM CDT | Special Weather Statement | TSA | Osage, Pawnee | 66 min |
| Apr 14, 3:26 AM CDT | Special Weather Statement | TSA | Craig, Nowata | 64 min |
| Apr 14, 3:39 AM CDT | Tornado Warning | TSA | Pawnee | 17 min |
| Apr 14, 3:52 AM CDT | Special Weather Statement | TSA | Washington | 53 min |
| Apr 14, 4:08 AM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Rogers, Washington | 52 min |
| Apr 14, 4:17 AM CDT | Special Weather Statement | TSA | Creek | 28 min |
| Apr 14, 4:28 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 47 min |
| Apr 14, 4:54 AM CDT | Areal Flood Advisory | TSA | Nowata, Osage, Washington | 111 min |
| Apr 14, 5:00 AM CDT | Special Weather Statement | TSA | Craig | 45 min |
| Apr 14, 5:09 AM CDT | Special Weather Statement | TSA | Pawnee | 36 min |
| Apr 14, 5:19 AM CDT | Special Weather Statement | TSA | Ottawa | 26 min |
| Apr 14, 5:41 AM CDT | Special Weather Statement | TSA | Pawnee | 49 min |
| Apr 14, 6:23 AM CDT | Special Weather Statement | TSA | Rogers | 52 min |
| Apr 14, 6:32 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Mayes, Nowata, Rogers, Tulsa, Washington | 43 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.