Alert archive / Oklahoma / Special Weather Statements in 2011
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Jul 29, 2011, 6:21 PM CDT for Latimer County, Oklahoma. It was in force for 24 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 29, 2011, 6:21 PM CDT (23:21 UTC)
- Expired
- Jul 29, 2011, 6:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Tulsa, OK
County Latimer County, OK
The radar
The Western Arkansas radar (KSRX), 93 km from the middle of the area, began a volume at 23:24 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 12:00Z, 11.4 hours before the alert went out and 197 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
- 561 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 1628 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
667
WWUS84 KTSA 292321
SPSTSA
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
621 PM CDT FRI JUL 29 2011
OKZ075-292345-
LATIMER OK-
621 PM CDT FRI JUL 29 2011
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 645 PM CDT
FOR THE FOLLOWING COUNTY...
IN SOUTHEAST OKLAHOMA
LATIMER
AT 621 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTH OF
PANOLA...MOVING NORTHWEST AT 10 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...WILBURTON...DAMON AND PANOLA.
THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
LAT...LON 3491 9542 3504 9524 3489 9507 3475 9521
TIME...MOT...LOC 2321Z 129DEG 10KT 3487 9523
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 4:06 AM CDT | Excessive Heat Watch | TSA | Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more | 11 days |
| Jul 29, 3:23 PM CDT | Special Weather Statement | TSA | Nowata | 37 min |
| Jul 29, 3:25 PM CDT | Special Weather Statement | TSA | Washington | 35 min |
| Jul 29, 3:26 PM CDT | Special Weather Statement | TSA | Mayes | 34 min |
| Jul 29, 3:50 PM CDT | Special Weather Statement | TSA | Washington | 25 min |
| Jul 29, 4:21 PM CDT | Special Weather Statement | TSA | Cherokee | 24 min |
| Jul 29, 4:33 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes | 42 min |
| Jul 29, 5:05 PM CDT | Special Weather Statement | TSA | Delaware | 25 min |
| Jul 29, 5:17 PM CDT | Special Weather Statement | TSA | Rogers | 28 min |
| Jul 29, 5:23 PM CDT | Special Weather Statement | TSA | LeFlore | 67 min |
| Jul 29, 5:38 PM CDT | Special Weather Statement | TSA | Cherokee | 52 min |
| Jul 29, 5:41 PM CDT | Special Weather Statement | TSA | Ottawa | 34 min |
| Jul 29, 6:02 PM CDT | Special Weather Statement | TSA | Pittsburg | 28 min |
| Jul 29, 2:18 PM CDT | Special Weather Statement | TSA | Crawford | 27 min |
| Jul 29, 5:14 PM CDT | Special Weather Statement | TSA | Johnson | 31 min |
| Jul 29, 5:40 PM CDT | Special Weather Statement | TSA | Benton | 35 min |
Nearby
Special Weather Statements in Oklahoma, 2011Every special weather statement in 2011
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.