Alert archive / Oklahoma / Special Weather Statements in 2017
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Jun 30, 2017, 5:21 PM CDT for Okmulgee County, Oklahoma. It was in force for 39 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
- Jun 30, 2017, 5:21 PM CDT (22:21 UTC)
- Expired
- Jun 30, 2017, 6:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Tulsa, OK
County Okmulgee County, OK
The radar
The Tulsa radar (KINX), 76 km from the middle of the area, began a volume at 22:21 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
Norman, OK (KOUN), launched 12:00Z, 10.4 hours before the alert went out and 149 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
- 1766 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 805 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 5.2
The text
As transmitted.
277 WWUS84 KTSA 302221 SPSTSA Special Weather Statement National Weather Service Tulsa OK 521 PM CDT FRI JUN 30 2017 OKZ066-070-071-302300- Muskogee OK-Okmulgee OK-McIntosh OK- 521 PM CDT FRI JUN 30 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MCINTOSH... NORTHWESTERN MUSKOGEE AND SOUTHEASTERN OKMULGEE COUNTIES UNTIL 600 PM CDT... At 520 PM CDT, a strong thunderstorm was located over Grayson, moving northeast at 20 mph. Dime size hail and winds in excess of 40 mph will be possible with this storm. Locations in or near the path include... Morris... Dewar... Schulter... Boynton... Grayson... Council Hill... Rentiesville... Hoffman... Wainwright... Hitchita... Jamesville... Eram... This includes Interstate 40 in Oklahoma between mile markers 241 and 256. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. A severe thunderstorm watch remains in effect until 1100 PM CDT for southeastern, northeastern and east central Oklahoma. LAT...LON 3540 9592 3556 9601 3576 9564 3549 9548 TIME...MOT...LOC 2220Z 245DEG 17KT 3552 9588 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 2:12 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 63 min |
| Jun 30, 3:14 AM CDT | Special Weather Statement | TSA | Osage, Pawnee | 46 min |
| Jun 30, 3:38 AM CDT | Special Weather Statement | TSA | Nowata, Rogers, Washington | 52 min |
| Jun 30, 4:04 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata, Ottawa | 41 min |
| Jun 30, 4:24 AM CDT | Special Weather Statement | TSA | Craig, Mayes, Ottawa, Rogers | 66 min |
| Jun 30, 5:20 AM CDT | Special Weather Statement | TSA | Cherokee | 25 min |
| Jun 30, 5:47 AM CDT | Special Weather Statement | TSA | Adair | 28 min |
| Jun 30, 6:07 AM CDT | Special Weather Statement | TSA | Adair | 53 min |
| Jun 30, 6:44 AM CDT | Special Weather Statement | TSA | Sequoyah | 46 min |
| Jun 30, 9:38 AM CDT | Areal Flood Advisory | TSA | Sequoyah | 3 hr |
| Jun 30, 12:34 PM CDT | Areal Flood Advisory | TSA | Sequoyah | 4 hr |
| Jun 30, 5:45 PM CDT | Special Weather Statement | TSA | Muskogee | 45 min |
| Jun 30, 5:53 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 52 min |
| Jun 30, 6:34 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Muskogee, Sequoyah | 41 min |
| Jun 30, 6:37 PM CDT | Special Weather Statement | TSA | McIntosh | 38 min |
| Jun 30, 6:59 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 46 min |
| Jun 30, 7:10 AM CDT | Special Weather Statement | TSA | Crawford, Franklin, Sebastian | 50 min |
| Jun 30, 7:57 AM CDT | Special Weather Statement | TSA | Franklin, Sebastian | 48 min |
| Jun 30, 1:26 PM CDT | Special Weather Statement | TSA | Crawford, Franklin | 49 min |
| Jun 30, 2:26 PM CDT | Special Weather Statement | TSA | Franklin | 49 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.