Alert archive / Oklahoma / Special Weather Statements in 2018
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Aug 30, 2018, 11:07 AM CDT for Ottawa County, Oklahoma. It was in force for 38 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 30, 2018, 11:07 AM CDT (16:07 UTC)
- Expired
- Aug 30, 2018, 11:45 AM CDT
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
County Ottawa County, OK
The radar
The Tulsa radar (KINX), 100 km from the middle of the area, began a volume at 16:07 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 12:00Z, 4.1 hours before the alert went out and 92 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
- 1450 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 792 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
645
WWUS84 KTSA 301607
SPSTSA
Special Weather Statement
National Weather Service Tulsa OK
1107 AM CDT THU AUG 30 2018
OKZ057-058-301645-
Craig OK-Ottawa OK-
1107 AM CDT THU AUG 30 2018
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CRAIG AND OTTAWA
COUNTIES UNTIL 1145 AM CDT...
At 1106 AM CDT, a strong thunderstorm was located 6 miles west of
Commerce, moving southeast at 25 mph.
Dime size hail and winds in excess of 40 mph will be possible with
this storm.
Locations in or near the path include...
Miami... Baxter Springs...
Commerce... Fairland...
Quapaw... Welch...
Wyandotte... Treece...
Picher... Narcissa...
Ottawa... Peoria...
Cardin... Twin Bridges State Park...
This includes Interstate 44 between mile markers 296 and 324.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3677 9462 3669 9494 3693 9515 3700 9507
3700 9462
TIME...MOT...LOC 1606Z 307DEG 23KT 3697 9499
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:22 PM CDT | Special Weather Statement | TSA | Okmulgee | 53 min |
| Aug 29, 11:18 PM CDT | Special Weather Statement | TSA | Tulsa | 57 min |
| Aug 29, 11:54 PM CDT | Special Weather Statement | TSA | Washington | 36 min |
| Aug 30, 3:10 PM CDT | Special Weather Statement | TSA | Craig, Ottawa | 35 min |
| Aug 30, 3:28 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Mayes, Ottawa | 33 min |
| Aug 30, 3:34 PM CDT | Special Weather Statement | TSA | Mayes, Rogers | 41 min |
| Aug 30, 4:00 PM CDT | Special Weather Statement | TSA | Delaware | 30 min |
| Aug 30, 4:12 PM CDT | Special Weather Statement | TSA | Mayes | 33 min |
| Aug 30, 4:14 PM CDT | Special Weather Statement | TSA | Mayes, Rogers | 16 min |
| Aug 30, 4:30 PM CDT | Special Weather Statement | TSA | Delaware, Mayes | 45 min |
| Aug 30, 5:04 PM CDT | Special Weather Statement | TSA | Adair, Cherokee | 26 min |
| Aug 30, 5:28 PM CDT | Special Weather Statement | TSA | Adair, Sequoyah | 32 min |
| Aug 30, 1:03 PM CDT | Special Weather Statement | TSA | Benton | 42 min |
| Aug 30, 1:17 PM CDT | Severe Thunderstorm Warning | TSA | Benton | 43 min |
| Aug 30, 1:54 PM CDT | Special Weather Statement | TSA | Benton | 36 min |
| Aug 30, 6:37 PM CDT | Special Weather Statement | TSA | Sebastian | 38 min |
Nearby
Special Weather Statements in Oklahoma, 2018Every special weather statement in 2018
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.