Alert archive / Oklahoma / Special Weather Statements in 2017
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Jul 8, 2017, 2:21 AM CDT for Delaware 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 8, 2017, 2:21 AM CDT (07:21 UTC)
- Expired
- Jul 8, 2017, 2:45 AM CDT
- In force
- 24 min
- Issued by
- NWS Tulsa, OK
County Delaware County, OK
The radar
The Tulsa radar (KINX), 74 km from the middle of the area, began a volume at 07:21 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 00:00Z, 7.4 hours before the alert went out and 104 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
- 1004 J/kg
- Mixed-layer CIN
- -117 J/kg
- Mixed-layer LCL
- 1929 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
319
WWUS84 KTSA 080721
SPSTSA
Special Weather Statement
National Weather Service Tulsa OK
221 AM CDT SAT JUL 8 2017
OKZ063-080745-
Delaware OK-
221 AM CDT SAT JUL 8 2017
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN DELAWARE COUNTY
UNTIL 245 AM CDT...
At 221 AM CDT, a strong thunderstorm was located 4 miles south of
Bernice, moving southeast at 20 mph.
Dime size hail and wind gusts of 50 to 55 mph will be possible with
this storm.
Locations in or near the path include...
Jay... Grove...
Bernice... Cleora...
Honey Creek State Park... Bernice State Park...
Zena...
LAT...LON 3667 9485 3647 9468 3638 9490 3653 9501
3658 9500
TIME...MOT...LOC 0721Z 327DEG 17KT 3656 9490
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:58 PM CDT | Special Weather Statement | TSA | Mayes | 47 min |
| Jul 7, 10:10 PM CDT | Special Weather Statement | TSA | Mayes | 50 min |
| Jul 8, 12:25 AM CDT | Special Weather Statement | TSA | Ottawa | 35 min |
| Jul 8, 12:57 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Ottawa | 48 min |
| Jul 8, 1:27 AM CDT | Severe Thunderstorm Warning | TSA | Delaware | 33 min |
| Jul 8, 1:43 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware | 29 min |
| Jul 8, 3:38 AM CDT | Areal Flood Advisory | TSA | Delaware | 3 hr |
| Jul 8, 3:50 AM CDT | Special Weather Statement | TSA | Delaware | 40 min |
| Jul 8, 4:30 AM CDT | Areal Flood Advisory | TSA | Sequoyah | 3 hr |
| Jul 8, 7:28 AM CDT | Special Weather Statement | TSA | Washington | 47 min |
| Jul 8, 7:54 AM CDT | Special Weather Statement | TSA | Mayes, Rogers, Tulsa, Wagoner | 51 min |
| Jul 8, 10:01 AM CDT | Areal Flood Advisory | TSA | Haskell, Latimer, LeFlore, Pittsburg, Pushmataha | 3 hr |
| Jul 7, 10:43 PM CDT | Special Weather Statement | TSA | Benton | 32 min |
| Jul 8, 12:08 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Madison | 37 min |
| Jul 8, 12:36 AM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 54 min |
| Jul 8, 12:47 AM CDT | Special Weather Statement | TSA | Benton | 43 min |
| Jul 8, 1:00 AM CDT | Areal Flood Advisory | TSA | Benton, Carroll, Madison | 4 hr |
| Jul 8, 1:02 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Madison | 28 min |
| Jul 8, 2:00 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll, Madison, Washington | 45 min |
| Jul 8, 2:27 AM CDT | Severe Thunderstorm Warning | TSA | Madison, Washington | 33 min |
| Jul 8, 2:56 AM CDT | Special Weather Statement | TSA | Franklin | 34 min |
| Jul 8, 4:04 AM CDT | Special Weather Statement | TSA | Sebastian | 41 min |
| Jul 8, 5:09 AM CDT | Special Weather Statement | TSA | Sebastian | 21 min |
| Jul 8, 6:14 AM CDT | Special Weather Statement | TSA | Sebastian | 46 min |
| Jul 8, 6:34 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 41 min |
| Jul 8, 7:14 AM CDT | Special Weather Statement | TSA | Sebastian | 31 min |
| Jul 8, 7:16 AM CDT | Special Weather Statement | TSA | Crawford | 59 min |
Nearby
Special Weather Statements in Oklahoma, 2017Every special weather statement in 2017
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.